jni.cpp 213.0 KB
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/*
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 * Copyright (c) 1997, 2014, Oracle and/or its affiliates. All rights reserved.
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 * Copyright (c) 2012 Red Hat, Inc.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
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 *
 */

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#include "precompiled.hpp"
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#include "ci/ciReplay.hpp"
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#include "classfile/altHashing.hpp"
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#include "classfile/classLoader.hpp"
#include "classfile/javaClasses.hpp"
#include "classfile/symbolTable.hpp"
#include "classfile/systemDictionary.hpp"
#include "classfile/vmSymbols.hpp"
#include "interpreter/linkResolver.hpp"
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#include "utilities/macros.hpp"
#if INCLUDE_ALL_GCS
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#include "gc_implementation/g1/g1SATBCardTableModRefBS.hpp"
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#endif // INCLUDE_ALL_GCS
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#include "memory/allocation.hpp"
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#include "memory/allocation.inline.hpp"
#include "memory/gcLocker.inline.hpp"
#include "memory/oopFactory.hpp"
#include "memory/universe.inline.hpp"
#include "oops/instanceKlass.hpp"
#include "oops/instanceOop.hpp"
#include "oops/markOop.hpp"
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#include "oops/method.hpp"
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#include "oops/objArrayKlass.hpp"
#include "oops/objArrayOop.hpp"
#include "oops/oop.inline.hpp"
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#include "oops/symbol.hpp"
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#include "oops/typeArrayKlass.hpp"
#include "oops/typeArrayOop.hpp"
#include "prims/jni.h"
#include "prims/jniCheck.hpp"
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#include "prims/jniExport.hpp"
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#include "prims/jniFastGetField.hpp"
#include "prims/jvm.h"
#include "prims/jvm_misc.hpp"
#include "prims/jvmtiExport.hpp"
#include "prims/jvmtiThreadState.hpp"
#include "runtime/compilationPolicy.hpp"
#include "runtime/fieldDescriptor.hpp"
#include "runtime/fprofiler.hpp"
#include "runtime/handles.inline.hpp"
#include "runtime/interfaceSupport.hpp"
#include "runtime/java.hpp"
#include "runtime/javaCalls.hpp"
#include "runtime/jfieldIDWorkaround.hpp"
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#include "runtime/orderAccess.inline.hpp"
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#include "runtime/reflection.hpp"
#include "runtime/sharedRuntime.hpp"
#include "runtime/signature.hpp"
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#include "runtime/thread.inline.hpp"
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#include "runtime/vm_operations.hpp"
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#include "services/memTracker.hpp"
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#include "services/runtimeService.hpp"
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#include "trace/tracing.hpp"
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#include "utilities/defaultStream.hpp"
#include "utilities/dtrace.hpp"
#include "utilities/events.hpp"
#include "utilities/histogram.hpp"
#ifdef TARGET_OS_FAMILY_linux
# include "os_linux.inline.hpp"
#endif
#ifdef TARGET_OS_FAMILY_solaris
# include "os_solaris.inline.hpp"
#endif
#ifdef TARGET_OS_FAMILY_windows
# include "os_windows.inline.hpp"
#endif
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#ifdef TARGET_OS_FAMILY_bsd
# include "os_bsd.inline.hpp"
#endif
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static jint CurrentVersion = JNI_VERSION_1_8;
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// The DT_RETURN_MARK macros create a scoped object to fire the dtrace
// '-return' probe regardless of the return path is taken out of the function.
// Methods that have multiple return paths use this to avoid having to
// instrument each return path.  Methods that use CHECK or THROW must use this
// since those macros can cause an immedate uninstrumented return.
//
// In order to get the return value, a reference to the variable containing
// the return value must be passed to the contructor of the object, and
// the return value must be set before return (since the mark object has
// a reference to it).
//
// Example:
// DT_RETURN_MARK_DECL(SomeFunc, int);
// JNI_ENTRY(int, SomeFunc, ...)
//   int return_value = 0;
//   DT_RETURN_MARK(SomeFunc, int, (const int&)return_value);
//   foo(CHECK_0)
//   return_value = 5;
//   return return_value;
// JNI_END
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#ifndef USDT2
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#define DT_RETURN_MARK_DECL(name, type)                                    \
  HS_DTRACE_PROBE_DECL1(hotspot_jni, name##__return, type);                \
  DTRACE_ONLY(                                                             \
    class DTraceReturnProbeMark_##name {                                   \
     public:                                                               \
      const type& _ret_ref;                                                \
      DTraceReturnProbeMark_##name(const type& v) : _ret_ref(v) {}         \
      ~DTraceReturnProbeMark_##name() {                                    \
        HS_DTRACE_PROBE1(hotspot_jni, name##__return, _ret_ref);           \
      }                                                                    \
    }                                                                      \
  )
// Void functions are simpler since there's no return value
#define DT_VOID_RETURN_MARK_DECL(name)                                     \
  HS_DTRACE_PROBE_DECL0(hotspot_jni, name##__return);                      \
  DTRACE_ONLY(                                                             \
    class DTraceReturnProbeMark_##name {                                   \
     public:                                                               \
      ~DTraceReturnProbeMark_##name() {                                    \
        HS_DTRACE_PROBE0(hotspot_jni, name##__return);                     \
      }                                                                    \
    }                                                                      \
  )

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#else /* USDT2 */

#define DT_RETURN_MARK_DECL(name, type, probe)                             \
  DTRACE_ONLY(                                                             \
    class DTraceReturnProbeMark_##name {                                   \
     public:                                                               \
      const type& _ret_ref;                                                \
      DTraceReturnProbeMark_##name(const type& v) : _ret_ref(v) {}         \
      ~DTraceReturnProbeMark_##name() {                                    \
        probe;                                                             \
      }                                                                    \
    }                                                                      \
  )
// Void functions are simpler since there's no return value
#define DT_VOID_RETURN_MARK_DECL(name, probe)                              \
  DTRACE_ONLY(                                                             \
    class DTraceReturnProbeMark_##name {                                   \
     public:                                                               \
      ~DTraceReturnProbeMark_##name() {                                    \
        probe;                                                             \
      }                                                                    \
    }                                                                      \
  )
#endif /* USDT2 */
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// Place these macros in the function to mark the return.  Non-void
// functions need the type and address of the return value.
#define DT_RETURN_MARK(name, type, ref) \
  DTRACE_ONLY( DTraceReturnProbeMark_##name dtrace_return_mark(ref) )
#define DT_VOID_RETURN_MARK(name) \
  DTRACE_ONLY( DTraceReturnProbeMark_##name dtrace_return_mark )


// Use these to select distinct code for floating-point vs. non-floating point
// situations.  Used from within common macros where we need slightly
// different behavior for Float/Double
#define FP_SELECT_Boolean(intcode, fpcode) intcode
#define FP_SELECT_Byte(intcode, fpcode)    intcode
#define FP_SELECT_Char(intcode, fpcode)    intcode
#define FP_SELECT_Short(intcode, fpcode)   intcode
#define FP_SELECT_Object(intcode, fpcode)  intcode
#define FP_SELECT_Int(intcode, fpcode)     intcode
#define FP_SELECT_Long(intcode, fpcode)    intcode
#define FP_SELECT_Float(intcode, fpcode)   fpcode
#define FP_SELECT_Double(intcode, fpcode)  fpcode
#define FP_SELECT(TypeName, intcode, fpcode) \
  FP_SELECT_##TypeName(intcode, fpcode)

#define COMMA ,

// Choose DT_RETURN_MARK macros  based on the type: float/double -> void
// (dtrace doesn't do FP yet)
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#ifndef USDT2
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#define DT_RETURN_MARK_DECL_FOR(TypeName, name, type) \
  FP_SELECT(TypeName, \
    DT_RETURN_MARK_DECL(name, type), DT_VOID_RETURN_MARK_DECL(name) )
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#else /* USDT2 */
#define DT_RETURN_MARK_DECL_FOR(TypeName, name, type, probe)    \
  FP_SELECT(TypeName, \
    DT_RETURN_MARK_DECL(name, type, probe), DT_VOID_RETURN_MARK_DECL(name, probe) )
#endif /* USDT2 */
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#define DT_RETURN_MARK_FOR(TypeName, name, type, ref) \
  FP_SELECT(TypeName, \
    DT_RETURN_MARK(name, type, ref), DT_VOID_RETURN_MARK(name) )


// out-of-line helpers for class jfieldIDWorkaround:

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bool jfieldIDWorkaround::is_valid_jfieldID(Klass* k, jfieldID id) {
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  if (jfieldIDWorkaround::is_instance_jfieldID(k, id)) {
    uintptr_t as_uint = (uintptr_t) id;
    intptr_t offset = raw_instance_offset(id);
    if (is_checked_jfieldID(id)) {
      if (!klass_hash_ok(k, id)) {
        return false;
      }
    }
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    return InstanceKlass::cast(k)->contains_field_offset(offset);
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  } else {
    JNIid* result = (JNIid*) id;
#ifdef ASSERT
    return result != NULL && result->is_static_field_id();
#else
    return result != NULL;
#endif
  }
}


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intptr_t jfieldIDWorkaround::encode_klass_hash(Klass* k, intptr_t offset) {
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  if (offset <= small_offset_mask) {
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    Klass* field_klass = k;
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    Klass* super_klass = field_klass->super();
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    // With compressed oops the most super class with nonstatic fields would
    // be the owner of fields embedded in the header.
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    while (InstanceKlass::cast(super_klass)->has_nonstatic_fields() &&
           InstanceKlass::cast(super_klass)->contains_field_offset(offset)) {
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      field_klass = super_klass;   // super contains the field also
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      super_klass = field_klass->super();
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    }
    debug_only(No_Safepoint_Verifier nosafepoint;)
    uintptr_t klass_hash = field_klass->identity_hash();
    return ((klass_hash & klass_mask) << klass_shift) | checked_mask_in_place;
  } else {
#if 0
    #ifndef PRODUCT
    {
      ResourceMark rm;
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      warning("VerifyJNIFields: long offset %d in %s", offset, k->external_name());
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    }
    #endif
#endif
    return 0;
  }
}

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bool jfieldIDWorkaround::klass_hash_ok(Klass* k, jfieldID id) {
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  uintptr_t as_uint = (uintptr_t) id;
  intptr_t klass_hash = (as_uint >> klass_shift) & klass_mask;
  do {
    debug_only(No_Safepoint_Verifier nosafepoint;)
    // Could use a non-blocking query for identity_hash here...
    if ((k->identity_hash() & klass_mask) == klass_hash)
      return true;
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    k = k->super();
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  } while (k != NULL);
  return false;
}

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void jfieldIDWorkaround::verify_instance_jfieldID(Klass* k, jfieldID id) {
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  guarantee(jfieldIDWorkaround::is_instance_jfieldID(k, id), "must be an instance field" );
  uintptr_t as_uint = (uintptr_t) id;
  intptr_t offset = raw_instance_offset(id);
  if (VerifyJNIFields) {
    if (is_checked_jfieldID(id)) {
      guarantee(klass_hash_ok(k, id),
    "Bug in native code: jfieldID class must match object");
    } else {
#if 0
      #ifndef PRODUCT
      if (Verbose) {
  ResourceMark rm;
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  warning("VerifyJNIFields: unverified offset %d for %s", offset, k->external_name());
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      }
      #endif
#endif
    }
  }
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  guarantee(InstanceKlass::cast(k)->contains_field_offset(offset),
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      "Bug in native code: jfieldID offset must address interior of object");
}

// Wrapper to trace JNI functions

#ifdef ASSERT
  Histogram* JNIHistogram;
  static volatile jint JNIHistogram_lock = 0;

  class JNITraceWrapper : public StackObj {
   public:
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    JNITraceWrapper(const char* format, ...) ATTRIBUTE_PRINTF(2, 3) {
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      if (TraceJNICalls) {
        va_list ap;
        va_start(ap, format);
        tty->print("JNI ");
        tty->vprint_cr(format, ap);
        va_end(ap);
      }
    }
  };

  class JNIHistogramElement : public HistogramElement {
    public:
     JNIHistogramElement(const char* name);
  };

  JNIHistogramElement::JNIHistogramElement(const char* elementName) {
    _name = elementName;
    uintx count = 0;

    while (Atomic::cmpxchg(1, &JNIHistogram_lock, 0) != 0) {
      while (OrderAccess::load_acquire(&JNIHistogram_lock) != 0) {
        count +=1;
        if ( (WarnOnStalledSpinLock > 0)
          && (count % WarnOnStalledSpinLock == 0)) {
          warning("JNIHistogram_lock seems to be stalled");
        }
      }
     }


    if(JNIHistogram == NULL)
      JNIHistogram = new Histogram("JNI Call Counts",100);

    JNIHistogram->add_element(this);
    Atomic::dec(&JNIHistogram_lock);
  }

  #define JNICountWrapper(arg)                                     \
     static JNIHistogramElement* e = new JNIHistogramElement(arg); \
      /* There is a MT-race condition in VC++. So we need to make sure that that e has been initialized */ \
     if (e != NULL) e->increment_count()
  #define JNIWrapper(arg) JNICountWrapper(arg); JNITraceWrapper(arg)
#else
  #define JNIWrapper(arg)
#endif


// Implementation of JNI entries

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#ifndef USDT2
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DT_RETURN_MARK_DECL(DefineClass, jclass);
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#else /* USDT2 */
DT_RETURN_MARK_DECL(DefineClass, jclass
                    , HOTSPOT_JNI_DEFINECLASS_RETURN(_ret_ref));
#endif /* USDT2 */
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JNI_ENTRY(jclass, jni_DefineClass(JNIEnv *env, const char *name, jobject loaderRef,
                                  const jbyte *buf, jsize bufLen))
  JNIWrapper("DefineClass");

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#ifndef USDT2
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  DTRACE_PROBE5(hotspot_jni, DefineClass__entry,
    env, name, loaderRef, buf, bufLen);
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#else /* USDT2 */
  HOTSPOT_JNI_DEFINECLASS_ENTRY(
    env, (char*) name, loaderRef, (char*) buf, bufLen);
#endif /* USDT2 */
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  jclass cls = NULL;
  DT_RETURN_MARK(DefineClass, jclass, (const jclass&)cls);

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  TempNewSymbol class_name = NULL;
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  // Since exceptions can be thrown, class initialization can take place
  // if name is NULL no check for class name in .class stream has to be made.
  if (name != NULL) {
    const int str_len = (int)strlen(name);
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    if (str_len > Symbol::max_length()) {
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      // It's impossible to create this class;  the name cannot fit
      // into the constant pool.
      THROW_MSG_0(vmSymbols::java_lang_NoClassDefFoundError(), name);
    }
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    class_name = SymbolTable::new_symbol(name, CHECK_NULL);
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  }
  ResourceMark rm(THREAD);
  ClassFileStream st((u1*) buf, bufLen, NULL);
  Handle class_loader (THREAD, JNIHandles::resolve(loaderRef));

  if (UsePerfData && !class_loader.is_null()) {
    // check whether the current caller thread holds the lock or not.
    // If not, increment the corresponding counter
    if (ObjectSynchronizer::
        query_lock_ownership((JavaThread*)THREAD, class_loader) !=
        ObjectSynchronizer::owner_self) {
      ClassLoader::sync_JNIDefineClassLockFreeCounter()->inc();
    }
  }
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  Klass* k = SystemDictionary::resolve_from_stream(class_name, class_loader,
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                                                     Handle(), &st, true,
                                                     CHECK_NULL);
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  if (TraceClassResolution && k != NULL) {
    trace_class_resolution(k);
  }

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  cls = (jclass)JNIHandles::make_local(
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    env, k->java_mirror());
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  return cls;
JNI_END



static bool first_time_FindClass = true;

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#ifndef USDT2
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DT_RETURN_MARK_DECL(FindClass, jclass);
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#else /* USDT2 */
DT_RETURN_MARK_DECL(FindClass, jclass
                    , HOTSPOT_JNI_FINDCLASS_RETURN(_ret_ref));
#endif /* USDT2 */
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JNI_ENTRY(jclass, jni_FindClass(JNIEnv *env, const char *name))
  JNIWrapper("FindClass");
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#ifndef USDT2
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  DTRACE_PROBE2(hotspot_jni, FindClass__entry, env, name);
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#else /* USDT2 */
  HOTSPOT_JNI_FINDCLASS_ENTRY(
                              env, (char *)name);
#endif /* USDT2 */
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  jclass result = NULL;
  DT_RETURN_MARK(FindClass, jclass, (const jclass&)result);

  // Remember if we are the first invocation of jni_FindClass
  bool first_time = first_time_FindClass;
  first_time_FindClass = false;

  // Sanity check the name:  it cannot be null or larger than the maximum size
  // name we can fit in the constant pool.
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  if (name == NULL || (int)strlen(name) > Symbol::max_length()) {
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    THROW_MSG_0(vmSymbols::java_lang_NoClassDefFoundError(), name);
  }

  //%note jni_3
  Handle loader;
  Handle protection_domain;
  // Find calling class
  instanceKlassHandle k (THREAD, thread->security_get_caller_class(0));
  if (k.not_null()) {
    loader = Handle(THREAD, k->class_loader());
    // Special handling to make sure JNI_OnLoad and JNI_OnUnload are executed
    // in the correct class context.
    if (loader.is_null() &&
        k->name() == vmSymbols::java_lang_ClassLoader_NativeLibrary()) {
      JavaValue result(T_OBJECT);
      JavaCalls::call_static(&result, k,
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                                      vmSymbols::getFromClass_name(),
                                      vmSymbols::void_class_signature(),
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                                      thread);
      if (HAS_PENDING_EXCEPTION) {
        Handle ex(thread, thread->pending_exception());
        CLEAR_PENDING_EXCEPTION;
        THROW_HANDLE_0(ex);
      }
      oop mirror = (oop) result.get_jobject();
      loader = Handle(THREAD,
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        InstanceKlass::cast(java_lang_Class::as_Klass(mirror))->class_loader());
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      protection_domain = Handle(THREAD,
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        InstanceKlass::cast(java_lang_Class::as_Klass(mirror))->protection_domain());
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    }
  } else {
    // We call ClassLoader.getSystemClassLoader to obtain the system class loader.
    loader = Handle(THREAD, SystemDictionary::java_system_loader());
  }

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  TempNewSymbol sym = SymbolTable::new_symbol(name, CHECK_NULL);
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  result = find_class_from_class_loader(env, sym, true, loader,
                                        protection_domain, true, thread);

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  if (TraceClassResolution && result != NULL) {
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    trace_class_resolution(java_lang_Class::as_Klass(JNIHandles::resolve_non_null(result)));
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  }

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  // If we were the first invocation of jni_FindClass, we enable compilation again
  // rather than just allowing invocation counter to overflow and decay.
  // Controlled by flag DelayCompilationDuringStartup.
  if (first_time && !CompileTheWorld)
    CompilationPolicy::completed_vm_startup();

  return result;
JNI_END

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#ifndef USDT2
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DT_RETURN_MARK_DECL(FromReflectedMethod, jmethodID);
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#else /* USDT2 */
DT_RETURN_MARK_DECL(FromReflectedMethod, jmethodID
                    , HOTSPOT_JNI_FROMREFLECTEDMETHOD_RETURN((uintptr_t)_ret_ref));
#endif /* USDT2 */
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JNI_ENTRY(jmethodID, jni_FromReflectedMethod(JNIEnv *env, jobject method))
  JNIWrapper("FromReflectedMethod");
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#ifndef USDT2
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  DTRACE_PROBE2(hotspot_jni, FromReflectedMethod__entry, env, method);
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#else /* USDT2 */
  HOTSPOT_JNI_FROMREFLECTEDMETHOD_ENTRY(
                                        env, method);
#endif /* USDT2 */
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  jmethodID ret = NULL;
  DT_RETURN_MARK(FromReflectedMethod, jmethodID, (const jmethodID&)ret);

  // method is a handle to a java.lang.reflect.Method object
  oop reflected  = JNIHandles::resolve_non_null(method);
  oop mirror     = NULL;
  int slot       = 0;

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  if (reflected->klass() == SystemDictionary::reflect_Constructor_klass()) {
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    mirror = java_lang_reflect_Constructor::clazz(reflected);
    slot   = java_lang_reflect_Constructor::slot(reflected);
  } else {
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    assert(reflected->klass() == SystemDictionary::reflect_Method_klass(), "wrong type");
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    mirror = java_lang_reflect_Method::clazz(reflected);
    slot   = java_lang_reflect_Method::slot(reflected);
  }
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  Klass* k     = java_lang_Class::as_Klass(mirror);
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  KlassHandle k1(THREAD, k);
  // Make sure class is initialized before handing id's out to methods
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  k1()->initialize(CHECK_NULL);
531
  Method* m = InstanceKlass::cast(k1())->method_with_idnum(slot);
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  ret = m==NULL? NULL : m->jmethod_id();  // return NULL if reflected method deleted
  return ret;
JNI_END

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#ifndef USDT2
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DT_RETURN_MARK_DECL(FromReflectedField, jfieldID);
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#else /* USDT2 */
DT_RETURN_MARK_DECL(FromReflectedField, jfieldID
                    , HOTSPOT_JNI_FROMREFLECTEDFIELD_RETURN((uintptr_t)_ret_ref));
#endif /* USDT2 */
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JNI_ENTRY(jfieldID, jni_FromReflectedField(JNIEnv *env, jobject field))
  JNIWrapper("FromReflectedField");
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#ifndef USDT2
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  DTRACE_PROBE2(hotspot_jni, FromReflectedField__entry, env, field);
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#else /* USDT2 */
  HOTSPOT_JNI_FROMREFLECTEDFIELD_ENTRY(
                                       env, field);
#endif /* USDT2 */
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  jfieldID ret = NULL;
  DT_RETURN_MARK(FromReflectedField, jfieldID, (const jfieldID&)ret);

  // field is a handle to a java.lang.reflect.Field object
  oop reflected   = JNIHandles::resolve_non_null(field);
  oop mirror      = java_lang_reflect_Field::clazz(reflected);
557
  Klass* k      = java_lang_Class::as_Klass(mirror);
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  int slot        = java_lang_reflect_Field::slot(reflected);
  int modifiers   = java_lang_reflect_Field::modifiers(reflected);

  KlassHandle k1(THREAD, k);
  // Make sure class is initialized before handing id's out to fields
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  k1()->initialize(CHECK_NULL);
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  // First check if this is a static field
  if (modifiers & JVM_ACC_STATIC) {
567 568
    intptr_t offset = InstanceKlass::cast(k1())->field_offset( slot );
    JNIid* id = InstanceKlass::cast(k1())->jni_id_for(offset);
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    assert(id != NULL, "corrupt Field object");
    debug_only(id->set_is_static_field_id();)
571
    // A jfieldID for a static field is a JNIid specifying the field holder and the offset within the Klass*
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    ret = jfieldIDWorkaround::to_static_jfieldID(id);
    return ret;
  }

  // The slot is the index of the field description in the field-array
  // The jfieldID is the offset of the field within the object
  // It may also have hash bits for k, if VerifyJNIFields is turned on.
579 580
  intptr_t offset = InstanceKlass::cast(k1())->field_offset( slot );
  assert(InstanceKlass::cast(k1())->contains_field_offset(offset), "stay within object");
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  ret = jfieldIDWorkaround::to_instance_jfieldID(k1(), offset);
  return ret;
JNI_END

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#ifndef USDT2
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DT_RETURN_MARK_DECL(ToReflectedMethod, jobject);
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#else /* USDT2 */
DT_RETURN_MARK_DECL(ToReflectedMethod, jobject
                    , HOTSPOT_JNI_TOREFLECTEDMETHOD_RETURN(_ret_ref));
#endif /* USDT2 */
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JNI_ENTRY(jobject, jni_ToReflectedMethod(JNIEnv *env, jclass cls, jmethodID method_id, jboolean isStatic))
  JNIWrapper("ToReflectedMethod");
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#ifndef USDT2
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  DTRACE_PROBE4(hotspot_jni, ToReflectedMethod__entry, env, cls, method_id, isStatic);
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#else /* USDT2 */
  HOTSPOT_JNI_TOREFLECTEDMETHOD_ENTRY(
                                      env, cls, (uintptr_t) method_id, isStatic);
#endif /* USDT2 */
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  jobject ret = NULL;
  DT_RETURN_MARK(ToReflectedMethod, jobject, (const jobject&)ret);

603
  methodHandle m (THREAD, Method::resolve_jmethod_id(method_id));
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  assert(m->is_static() == (isStatic != 0), "jni_ToReflectedMethod access flags doesn't match");
  oop reflection_method;
  if (m->is_initializer()) {
    reflection_method = Reflection::new_constructor(m, CHECK_NULL);
  } else {
    reflection_method = Reflection::new_method(m, UseNewReflection, false, CHECK_NULL);
  }
  ret = JNIHandles::make_local(env, reflection_method);
  return ret;
JNI_END

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#ifndef USDT2
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DT_RETURN_MARK_DECL(GetSuperclass, jclass);
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#else /* USDT2 */
DT_RETURN_MARK_DECL(GetSuperclass, jclass
                    , HOTSPOT_JNI_GETSUPERCLASS_RETURN(_ret_ref));
#endif /* USDT2 */
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JNI_ENTRY(jclass, jni_GetSuperclass(JNIEnv *env, jclass sub))
  JNIWrapper("GetSuperclass");
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#ifndef USDT2
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  DTRACE_PROBE2(hotspot_jni, GetSuperclass__entry, env, sub);
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#else /* USDT2 */
  HOTSPOT_JNI_GETSUPERCLASS_ENTRY(
                                  env, sub);
#endif /* USDT2 */
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  jclass obj = NULL;
  DT_RETURN_MARK(GetSuperclass, jclass, (const jclass&)obj);

  oop mirror = JNIHandles::resolve_non_null(sub);
  // primitive classes return NULL
  if (java_lang_Class::is_primitive(mirror)) return NULL;

  // Rules of Class.getSuperClass as implemented by KLass::java_super:
  // arrays return Object
  // interfaces return NULL
  // proper classes return Klass::super()
641
  Klass* k = java_lang_Class::as_Klass(mirror);
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  if (k->is_interface()) return NULL;
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  // return mirror for superclass
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  Klass* super = k->java_super();
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  // super2 is the value computed by the compiler's getSuperClass intrinsic:
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  debug_only(Klass* super2 = ( k->oop_is_array()
648
                                 ? SystemDictionary::Object_klass()
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                                 : k->super() ) );
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  assert(super == super2,
         "java_super computation depends on interface, array, other super");
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  obj = (super == NULL) ? NULL : (jclass) JNIHandles::make_local(super->java_mirror());
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  return obj;
JNI_END

JNI_QUICK_ENTRY(jboolean, jni_IsAssignableFrom(JNIEnv *env, jclass sub, jclass super))
  JNIWrapper("IsSubclassOf");
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#ifndef USDT2
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  DTRACE_PROBE3(hotspot_jni, IsAssignableFrom__entry, env, sub, super);
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#else /* USDT2 */
  HOTSPOT_JNI_ISASSIGNABLEFROM_ENTRY(
                                     env, sub, super);
#endif /* USDT2 */
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  oop sub_mirror   = JNIHandles::resolve_non_null(sub);
  oop super_mirror = JNIHandles::resolve_non_null(super);
  if (java_lang_Class::is_primitive(sub_mirror) ||
      java_lang_Class::is_primitive(super_mirror)) {
    jboolean ret = (sub_mirror == super_mirror);
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    DTRACE_PROBE1(hotspot_jni, IsAssignableFrom__return, ret);
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#else /* USDT2 */
    HOTSPOT_JNI_ISASSIGNABLEFROM_RETURN(
                                        ret);
#endif /* USDT2 */
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    return ret;
  }
677 678
  Klass* sub_klass   = java_lang_Class::as_Klass(sub_mirror);
  Klass* super_klass = java_lang_Class::as_Klass(super_mirror);
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  assert(sub_klass != NULL && super_klass != NULL, "invalid arguments to jni_IsAssignableFrom");
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  jboolean ret = sub_klass->is_subtype_of(super_klass) ?
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                   JNI_TRUE : JNI_FALSE;
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#ifndef USDT2
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  DTRACE_PROBE1(hotspot_jni, IsAssignableFrom__return, ret);
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#else /* USDT2 */
  HOTSPOT_JNI_ISASSIGNABLEFROM_RETURN(
                                      ret);
#endif /* USDT2 */
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  return ret;
JNI_END

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#ifndef USDT2
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DT_RETURN_MARK_DECL(Throw, jint);
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#else /* USDT2 */
DT_RETURN_MARK_DECL(Throw, jint
                    , HOTSPOT_JNI_THROW_RETURN(_ret_ref));
#endif /* USDT2 */
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JNI_ENTRY(jint, jni_Throw(JNIEnv *env, jthrowable obj))
  JNIWrapper("Throw");
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#ifndef USDT2
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  DTRACE_PROBE2(hotspot_jni, Throw__entry, env, obj);
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#else /* USDT2 */
  HOTSPOT_JNI_THROW_ENTRY(
 env, obj);
#endif /* USDT2 */
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  jint ret = JNI_OK;
  DT_RETURN_MARK(Throw, jint, (const jint&)ret);

  THROW_OOP_(JNIHandles::resolve(obj), JNI_OK);
  ShouldNotReachHere();
JNI_END

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#ifndef USDT2
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DT_RETURN_MARK_DECL(ThrowNew, jint);
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#else /* USDT2 */
DT_RETURN_MARK_DECL(ThrowNew, jint
                    , HOTSPOT_JNI_THROWNEW_RETURN(_ret_ref));
#endif /* USDT2 */
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JNI_ENTRY(jint, jni_ThrowNew(JNIEnv *env, jclass clazz, const char *message))
  JNIWrapper("ThrowNew");
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#ifndef USDT2
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  DTRACE_PROBE3(hotspot_jni, ThrowNew__entry, env, clazz, message);
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#else /* USDT2 */
  HOTSPOT_JNI_THROWNEW_ENTRY(
                             env, clazz, (char *) message);
#endif /* USDT2 */
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  jint ret = JNI_OK;
  DT_RETURN_MARK(ThrowNew, jint, (const jint&)ret);

731
  InstanceKlass* k = InstanceKlass::cast(java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz)));
732
  Symbol*  name = k->name();
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  Handle class_loader (THREAD,  k->class_loader());
  Handle protection_domain (THREAD, k->protection_domain());
  THROW_MSG_LOADER_(name, (char *)message, class_loader, protection_domain, JNI_OK);
  ShouldNotReachHere();
JNI_END


// JNI functions only transform a pending async exception to a synchronous
// exception in ExceptionOccurred and ExceptionCheck calls, since
// delivering an async exception in other places won't change the native
// code's control flow and would be harmful when native code further calls
// JNI functions with a pending exception. Async exception is also checked
// during the call, so ExceptionOccurred/ExceptionCheck won't return
// false but deliver the async exception at the very end during
// state transition.

static void jni_check_async_exceptions(JavaThread *thread) {
  assert(thread == Thread::current(), "must be itself");
  thread->check_and_handle_async_exceptions();
}

JNI_ENTRY_NO_PRESERVE(jthrowable, jni_ExceptionOccurred(JNIEnv *env))
  JNIWrapper("ExceptionOccurred");
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#ifndef USDT2
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  DTRACE_PROBE1(hotspot_jni, ExceptionOccurred__entry, env);
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#else /* USDT2 */
  HOTSPOT_JNI_EXCEPTIONOCCURRED_ENTRY(
                                      env);
#endif /* USDT2 */
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  jni_check_async_exceptions(thread);
  oop exception = thread->pending_exception();
  jthrowable ret = (jthrowable) JNIHandles::make_local(env, exception);
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#ifndef USDT2
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  DTRACE_PROBE1(hotspot_jni, ExceptionOccurred__return, ret);
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#else /* USDT2 */
  HOTSPOT_JNI_EXCEPTIONOCCURRED_RETURN(
                                       ret);
#endif /* USDT2 */
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  return ret;
JNI_END


JNI_ENTRY_NO_PRESERVE(void, jni_ExceptionDescribe(JNIEnv *env))
  JNIWrapper("ExceptionDescribe");
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#ifndef USDT2
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  DTRACE_PROBE1(hotspot_jni, ExceptionDescribe__entry, env);
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#else /* USDT2 */
  HOTSPOT_JNI_EXCEPTIONDESCRIBE_ENTRY(
                                      env);
#endif /* USDT2 */
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  if (thread->has_pending_exception()) {
    Handle ex(thread, thread->pending_exception());
    thread->clear_pending_exception();
786
    if (ex->is_a(SystemDictionary::ThreadDeath_klass())) {
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      // Don't print anything if we are being killed.
    } else {
      jio_fprintf(defaultStream::error_stream(), "Exception ");
      if (thread != NULL && thread->threadObj() != NULL) {
        ResourceMark rm(THREAD);
        jio_fprintf(defaultStream::error_stream(),
        "in thread \"%s\" ", thread->get_thread_name());
      }
795
      if (ex->is_a(SystemDictionary::Throwable_klass())) {
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        JavaValue result(T_VOID);
        JavaCalls::call_virtual(&result,
                                ex,
                                KlassHandle(THREAD,
800
                                  SystemDictionary::Throwable_klass()),
801 802
                                vmSymbols::printStackTrace_name(),
                                vmSymbols::void_method_signature(),
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                                THREAD);
        // If an exception is thrown in the call it gets thrown away. Not much
        // we can do with it. The native code that calls this, does not check
        // for the exception - hence, it might still be in the thread when DestroyVM gets
        // called, potentially causing a few asserts to trigger - since no pending exception
        // is expected.
        CLEAR_PENDING_EXCEPTION;
      } else {
        ResourceMark rm(THREAD);
        jio_fprintf(defaultStream::error_stream(),
        ". Uncaught exception of type %s.",
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        ex->klass()->external_name());
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      }
    }
  }
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#ifndef USDT2
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  DTRACE_PROBE(hotspot_jni, ExceptionDescribe__return);
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#else /* USDT2 */
  HOTSPOT_JNI_EXCEPTIONDESCRIBE_RETURN(
                                       );
#endif /* USDT2 */
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JNI_END


JNI_QUICK_ENTRY(void, jni_ExceptionClear(JNIEnv *env))
  JNIWrapper("ExceptionClear");
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#ifndef USDT2
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  DTRACE_PROBE1(hotspot_jni, ExceptionClear__entry, env);
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#else /* USDT2 */
  HOTSPOT_JNI_EXCEPTIONCLEAR_ENTRY(
                                   env);
#endif /* USDT2 */
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  // The jni code might be using this API to clear java thrown exception.
  // So just mark jvmti thread exception state as exception caught.
  JvmtiThreadState *state = JavaThread::current()->jvmti_thread_state();
  if (state != NULL && state->is_exception_detected()) {
    state->set_exception_caught();
  }
  thread->clear_pending_exception();
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#ifndef USDT2
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  DTRACE_PROBE(hotspot_jni, ExceptionClear__return);
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#else /* USDT2 */
  HOTSPOT_JNI_EXCEPTIONCLEAR_RETURN(
                                    );
#endif /* USDT2 */
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JNI_END


JNI_ENTRY(void, jni_FatalError(JNIEnv *env, const char *msg))
  JNIWrapper("FatalError");
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#ifndef USDT2
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  DTRACE_PROBE2(hotspot_jni, FatalError__entry, env, msg);
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#else /* USDT2 */
  HOTSPOT_JNI_FATALERROR_ENTRY(
                               env, (char *) msg);
#endif /* USDT2 */
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  tty->print_cr("FATAL ERROR in native method: %s", msg);
  thread->print_stack();
862
  os::abort(); // Dump core and abort
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JNI_END


JNI_ENTRY(jint, jni_PushLocalFrame(JNIEnv *env, jint capacity))
  JNIWrapper("PushLocalFrame");
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#ifndef USDT2
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  DTRACE_PROBE2(hotspot_jni, PushLocalFrame__entry, env, capacity);
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#else /* USDT2 */
  HOTSPOT_JNI_PUSHLOCALFRAME_ENTRY(
                                   env, capacity);
#endif /* USDT2 */
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  //%note jni_11
875 876
  if (capacity < 0 ||
      ((MaxJNILocalCapacity > 0) && (capacity > MaxJNILocalCapacity))) {
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#ifndef USDT2
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    DTRACE_PROBE1(hotspot_jni, PushLocalFrame__return, JNI_ERR);
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#else /* USDT2 */
    HOTSPOT_JNI_PUSHLOCALFRAME_RETURN(
                                      (uint32_t)JNI_ERR);
#endif /* USDT2 */
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    return JNI_ERR;
  }
  JNIHandleBlock* old_handles = thread->active_handles();
  JNIHandleBlock* new_handles = JNIHandleBlock::allocate_block(thread);
  assert(new_handles != NULL, "should not be NULL");
  new_handles->set_pop_frame_link(old_handles);
  thread->set_active_handles(new_handles);
  jint ret = JNI_OK;
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#ifndef USDT2
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  DTRACE_PROBE1(hotspot_jni, PushLocalFrame__return, ret);
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#else /* USDT2 */
  HOTSPOT_JNI_PUSHLOCALFRAME_RETURN(
                                    ret);
#endif /* USDT2 */
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  return ret;
JNI_END


JNI_ENTRY(jobject, jni_PopLocalFrame(JNIEnv *env, jobject result))
  JNIWrapper("PopLocalFrame");
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#ifndef USDT2
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  DTRACE_PROBE2(hotspot_jni, PopLocalFrame__entry, env, result);
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#else /* USDT2 */
  HOTSPOT_JNI_POPLOCALFRAME_ENTRY(
                                  env, result);
#endif /* USDT2 */
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  //%note jni_11
  Handle result_handle(thread, JNIHandles::resolve(result));
  JNIHandleBlock* old_handles = thread->active_handles();
  JNIHandleBlock* new_handles = old_handles->pop_frame_link();
  if (new_handles != NULL) {
    // As a sanity check we only release the handle blocks if the pop_frame_link is not NULL.
    // This way code will still work if PopLocalFrame is called without a corresponding
    // PushLocalFrame call. Note that we set the pop_frame_link to NULL explicitly, otherwise
    // the release_block call will release the blocks.
    thread->set_active_handles(new_handles);
    old_handles->set_pop_frame_link(NULL);              // clear link we won't release new_handles below
    JNIHandleBlock::release_block(old_handles, thread); // may block
    result = JNIHandles::make_local(thread, result_handle());
  }
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#ifndef USDT2
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  DTRACE_PROBE1(hotspot_jni, PopLocalFrame__return, result);
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#else /* USDT2 */
  HOTSPOT_JNI_POPLOCALFRAME_RETURN(
                                   result);
#endif /* USDT2 */
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  return result;
JNI_END


JNI_ENTRY(jobject, jni_NewGlobalRef(JNIEnv *env, jobject ref))
  JNIWrapper("NewGlobalRef");
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#ifndef USDT2
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  DTRACE_PROBE2(hotspot_jni, NewGlobalRef__entry, env, ref);
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#else /* USDT2 */
  HOTSPOT_JNI_NEWGLOBALREF_ENTRY(
                                 env, ref);
#endif /* USDT2 */
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  Handle ref_handle(thread, JNIHandles::resolve(ref));
  jobject ret = JNIHandles::make_global(ref_handle);
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#ifndef USDT2
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  DTRACE_PROBE1(hotspot_jni, NewGlobalRef__return, ret);
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#else /* USDT2 */
  HOTSPOT_JNI_NEWGLOBALREF_RETURN(
                                  ret);
#endif /* USDT2 */
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  return ret;
JNI_END

// Must be JNI_ENTRY (with HandleMark)
JNI_ENTRY_NO_PRESERVE(void, jni_DeleteGlobalRef(JNIEnv *env, jobject ref))
  JNIWrapper("DeleteGlobalRef");
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#ifndef USDT2
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  DTRACE_PROBE2(hotspot_jni, DeleteGlobalRef__entry, env, ref);
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#else /* USDT2 */
  HOTSPOT_JNI_DELETEGLOBALREF_ENTRY(
                                    env, ref);
#endif /* USDT2 */
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  JNIHandles::destroy_global(ref);
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#ifndef USDT2
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  DTRACE_PROBE(hotspot_jni, DeleteGlobalRef__return);
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#else /* USDT2 */
  HOTSPOT_JNI_DELETEGLOBALREF_RETURN(
                                     );
#endif /* USDT2 */
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JNI_END

JNI_QUICK_ENTRY(void, jni_DeleteLocalRef(JNIEnv *env, jobject obj))
  JNIWrapper("DeleteLocalRef");
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#ifndef USDT2
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  DTRACE_PROBE2(hotspot_jni, DeleteLocalRef__entry, env, obj);
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#else /* USDT2 */
  HOTSPOT_JNI_DELETELOCALREF_ENTRY(
                                   env, obj);
#endif /* USDT2 */
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  JNIHandles::destroy_local(obj);
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#ifndef USDT2
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  DTRACE_PROBE(hotspot_jni, DeleteLocalRef__return);
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#else /* USDT2 */
  HOTSPOT_JNI_DELETELOCALREF_RETURN(
                                    );
#endif /* USDT2 */
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JNI_END

JNI_QUICK_ENTRY(jboolean, jni_IsSameObject(JNIEnv *env, jobject r1, jobject r2))
  JNIWrapper("IsSameObject");
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#ifndef USDT2
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  DTRACE_PROBE3(hotspot_jni, IsSameObject__entry, env, r1, r2);
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#else /* USDT2 */
  HOTSPOT_JNI_ISSAMEOBJECT_ENTRY(
                                 env, r1, r2);
#endif /* USDT2 */
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  oop a = JNIHandles::resolve(r1);
  oop b = JNIHandles::resolve(r2);
  jboolean ret = (a == b) ? JNI_TRUE : JNI_FALSE;
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#ifndef USDT2
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  DTRACE_PROBE1(hotspot_jni, IsSameObject__return, ret);
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#else /* USDT2 */
  HOTSPOT_JNI_ISSAMEOBJECT_RETURN(
                                  ret);
#endif /* USDT2 */
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  return ret;
JNI_END


JNI_ENTRY(jobject, jni_NewLocalRef(JNIEnv *env, jobject ref))
  JNIWrapper("NewLocalRef");
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#ifndef USDT2
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  DTRACE_PROBE2(hotspot_jni, NewLocalRef__entry, env, ref);
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#else /* USDT2 */
  HOTSPOT_JNI_NEWLOCALREF_ENTRY(
                                env, ref);
#endif /* USDT2 */
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  jobject ret = JNIHandles::make_local(env, JNIHandles::resolve(ref));
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  DTRACE_PROBE1(hotspot_jni, NewLocalRef__return, ret);
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#else /* USDT2 */
  HOTSPOT_JNI_NEWLOCALREF_RETURN(
                                 ret);
#endif /* USDT2 */
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  return ret;
JNI_END

JNI_LEAF(jint, jni_EnsureLocalCapacity(JNIEnv *env, jint capacity))
  JNIWrapper("EnsureLocalCapacity");
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#ifndef USDT2
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  DTRACE_PROBE2(hotspot_jni, EnsureLocalCapacity__entry, env, capacity);
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#else /* USDT2 */
  HOTSPOT_JNI_ENSURELOCALCAPACITY_ENTRY(
                                        env, capacity);
#endif /* USDT2 */
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  jint ret;
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  if (capacity >= 0 &&
      ((MaxJNILocalCapacity <= 0) || (capacity <= MaxJNILocalCapacity))) {
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    ret = JNI_OK;
  } else {
    ret = JNI_ERR;
  }
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#ifndef USDT2
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  DTRACE_PROBE1(hotspot_jni, EnsureLocalCapacity__return, ret);
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#else /* USDT2 */
  HOTSPOT_JNI_ENSURELOCALCAPACITY_RETURN(
                                         ret);
#endif /* USDT2 */
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  return ret;
JNI_END

// Return the Handle Type
JNI_LEAF(jobjectRefType, jni_GetObjectRefType(JNIEnv *env, jobject obj))
  JNIWrapper("GetObjectRefType");
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#ifndef USDT2
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  DTRACE_PROBE2(hotspot_jni, GetObjectRefType__entry, env, obj);
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#else /* USDT2 */
  HOTSPOT_JNI_GETOBJECTREFTYPE_ENTRY(
                                     env, obj);
#endif /* USDT2 */
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  jobjectRefType ret;
  if (JNIHandles::is_local_handle(thread, obj) ||
      JNIHandles::is_frame_handle(thread, obj))
    ret = JNILocalRefType;
  else if (JNIHandles::is_global_handle(obj))
    ret = JNIGlobalRefType;
  else if (JNIHandles::is_weak_global_handle(obj))
    ret = JNIWeakGlobalRefType;
  else
    ret = JNIInvalidRefType;
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  DTRACE_PROBE1(hotspot_jni, GetObjectRefType__return, ret);
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#else /* USDT2 */
  HOTSPOT_JNI_GETOBJECTREFTYPE_RETURN(
                                      (void *) ret);
#endif /* USDT2 */
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  return ret;
JNI_END


class JNI_ArgumentPusher : public SignatureIterator {
 protected:
  JavaCallArguments*  _arguments;

  virtual void get_bool   () = 0;
  virtual void get_char   () = 0;
  virtual void get_short  () = 0;
  virtual void get_byte   () = 0;
  virtual void get_int    () = 0;
  virtual void get_long   () = 0;
  virtual void get_float  () = 0;
  virtual void get_double () = 0;
  virtual void get_object () = 0;

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  JNI_ArgumentPusher(Symbol* signature) : SignatureIterator(signature) {
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    this->_return_type = T_ILLEGAL;
    _arguments = NULL;
  }

 public:
  virtual void iterate( uint64_t fingerprint ) = 0;

  void set_java_argument_object(JavaCallArguments *arguments) { _arguments = arguments; }

  inline void do_bool()                     { if (!is_return_type()) get_bool();   }
  inline void do_char()                     { if (!is_return_type()) get_char();   }
  inline void do_short()                    { if (!is_return_type()) get_short();  }
  inline void do_byte()                     { if (!is_return_type()) get_byte();   }
  inline void do_int()                      { if (!is_return_type()) get_int();    }
  inline void do_long()                     { if (!is_return_type()) get_long();   }
  inline void do_float()                    { if (!is_return_type()) get_float();  }
  inline void do_double()                   { if (!is_return_type()) get_double(); }
  inline void do_object(int begin, int end) { if (!is_return_type()) get_object(); }
  inline void do_array(int begin, int end)  { if (!is_return_type()) get_object(); } // do_array uses get_object -- there is no get_array
  inline void do_void()                     { }

  JavaCallArguments* arguments()     { return _arguments; }
  void push_receiver(Handle h)       { _arguments->push_oop(h); }
};


class JNI_ArgumentPusherVaArg : public JNI_ArgumentPusher {
 protected:
  va_list _ap;

  inline void get_bool()   { _arguments->push_int(va_arg(_ap, jint)); } // bool is coerced to int when using va_arg
  inline void get_char()   { _arguments->push_int(va_arg(_ap, jint)); } // char is coerced to int when using va_arg
  inline void get_short()  { _arguments->push_int(va_arg(_ap, jint)); } // short is coerced to int when using va_arg
  inline void get_byte()   { _arguments->push_int(va_arg(_ap, jint)); } // byte is coerced to int when using va_arg
  inline void get_int()    { _arguments->push_int(va_arg(_ap, jint)); }

  // each of these paths is exercized by the various jck Call[Static,Nonvirtual,][Void,Int,..]Method[A,V,] tests

  inline void get_long()   { _arguments->push_long(va_arg(_ap, jlong)); }
  inline void get_float()  { _arguments->push_float((jfloat)va_arg(_ap, jdouble)); } // float is coerced to double w/ va_arg
  inline void get_double() { _arguments->push_double(va_arg(_ap, jdouble)); }
  inline void get_object() { jobject l = va_arg(_ap, jobject);
                             _arguments->push_oop(Handle((oop *)l, false)); }

  inline void set_ap(va_list rap) {
#ifdef va_copy
    va_copy(_ap, rap);
#elif defined (__va_copy)
    __va_copy(_ap, rap);
#else
    _ap = rap;
#endif
  }

 public:
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  JNI_ArgumentPusherVaArg(Symbol* signature, va_list rap)
       : JNI_ArgumentPusher(signature) {
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    set_ap(rap);
  }
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  JNI_ArgumentPusherVaArg(jmethodID method_id, va_list rap)
1154
      : JNI_ArgumentPusher(Method::resolve_jmethod_id(method_id)->signature()) {
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    set_ap(rap);
  }

  // Optimized path if we have the bitvector form of signature
  void iterate( uint64_t fingerprint ) {
    if ( fingerprint == UCONST64(-1) ) SignatureIterator::iterate();// Must be too many arguments
    else {
      _return_type = (BasicType)((fingerprint >> static_feature_size) &
                                  result_feature_mask);

      assert(fingerprint, "Fingerprint should not be 0");
      fingerprint = fingerprint >> (static_feature_size + result_feature_size);
      while ( 1 ) {
        switch ( fingerprint & parameter_feature_mask ) {
          case bool_parm:
          case char_parm:
          case short_parm:
          case byte_parm:
          case int_parm:
            get_int();
            break;
          case obj_parm:
            get_object();
            break;
          case long_parm:
            get_long();
            break;
          case float_parm:
            get_float();
            break;
          case double_parm:
            get_double();
            break;
          case done_parm:
            return;
            break;
          default:
            ShouldNotReachHere();
            break;
        }
        fingerprint >>= parameter_feature_size;
      }
    }
  }
};


class JNI_ArgumentPusherArray : public JNI_ArgumentPusher {
 protected:
  const jvalue *_ap;

  inline void get_bool()   { _arguments->push_int((jint)(_ap++)->z); }
  inline void get_char()   { _arguments->push_int((jint)(_ap++)->c); }
  inline void get_short()  { _arguments->push_int((jint)(_ap++)->s); }
  inline void get_byte()   { _arguments->push_int((jint)(_ap++)->b); }
  inline void get_int()    { _arguments->push_int((jint)(_ap++)->i); }

  inline void get_long()   { _arguments->push_long((_ap++)->j);  }
  inline void get_float()  { _arguments->push_float((_ap++)->f); }
  inline void get_double() { _arguments->push_double((_ap++)->d);}
  inline void get_object() { _arguments->push_oop(Handle((oop *)(_ap++)->l, false)); }

  inline void set_ap(const jvalue *rap) { _ap = rap; }

 public:
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  JNI_ArgumentPusherArray(Symbol* signature, const jvalue *rap)
       : JNI_ArgumentPusher(signature) {
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    set_ap(rap);
  }
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  JNI_ArgumentPusherArray(jmethodID method_id, const jvalue *rap)
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      : JNI_ArgumentPusher(Method::resolve_jmethod_id(method_id)->signature()) {
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    set_ap(rap);
  }

  // Optimized path if we have the bitvector form of signature
  void iterate( uint64_t fingerprint ) {
    if ( fingerprint == UCONST64(-1) ) SignatureIterator::iterate(); // Must be too many arguments
    else {
      _return_type = (BasicType)((fingerprint >> static_feature_size) &
                                  result_feature_mask);
      assert(fingerprint, "Fingerprint should not be 0");
      fingerprint = fingerprint >> (static_feature_size + result_feature_size);
      while ( 1 ) {
        switch ( fingerprint & parameter_feature_mask ) {
          case bool_parm:
            get_bool();
            break;
          case char_parm:
            get_char();
            break;
          case short_parm:
            get_short();
            break;
          case byte_parm:
            get_byte();
            break;
          case int_parm:
            get_int();
            break;
          case obj_parm:
            get_object();
            break;
          case long_parm:
            get_long();
            break;
          case float_parm:
            get_float();
            break;
          case double_parm:
            get_double();
            break;
          case done_parm:
            return;
            break;
          default:
            ShouldNotReachHere();
            break;
        }
        fingerprint >>= parameter_feature_size;
      }
    }
  }
};


enum JNICallType {
  JNI_STATIC,
  JNI_VIRTUAL,
  JNI_NONVIRTUAL
};



static void jni_invoke_static(JNIEnv *env, JavaValue* result, jobject receiver, JNICallType call_type, jmethodID method_id, JNI_ArgumentPusher *args, TRAPS) {
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  methodHandle method(THREAD, Method::resolve_jmethod_id(method_id));
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  // Create object to hold arguments for the JavaCall, and associate it with
  // the jni parser
  ResourceMark rm(THREAD);
  int number_of_parameters = method->size_of_parameters();
  JavaCallArguments java_args(number_of_parameters);
  args->set_java_argument_object(&java_args);

  assert(method->is_static(), "method should be static");

  // Fill out JavaCallArguments object
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  args->iterate( Fingerprinter(method).fingerprint() );
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  // Initialize result type
  result->set_type(args->get_ret_type());

  // Invoke the method. Result is returned as oop.
  JavaCalls::call(result, method, &java_args, CHECK);

  // Convert result
  if (result->get_type() == T_OBJECT || result->get_type() == T_ARRAY) {
    result->set_jobject(JNIHandles::make_local(env, (oop) result->get_jobject()));
  }
}


static void jni_invoke_nonstatic(JNIEnv *env, JavaValue* result, jobject receiver, JNICallType call_type, jmethodID method_id, JNI_ArgumentPusher *args, TRAPS) {
  oop recv = JNIHandles::resolve(receiver);
  if (recv == NULL) {
    THROW(vmSymbols::java_lang_NullPointerException());
  }
  Handle h_recv(THREAD, recv);

  int number_of_parameters;
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  Method* selected_method;
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  {
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    Method* m = Method::resolve_jmethod_id(method_id);
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    number_of_parameters = m->size_of_parameters();
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    Klass* holder = m->method_holder();
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    if (call_type != JNI_VIRTUAL) {
        selected_method = m;
    } else if (!m->has_itable_index()) {
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      // non-interface call -- for that little speed boost, don't handlize
      debug_only(No_Safepoint_Verifier nosafepoint;)
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      // jni_GetMethodID makes sure class is linked and initialized
      // so m should have a valid vtable index.
      assert(m->valid_vtable_index(), "no valid vtable index");
      int vtbl_index = m->vtable_index();
      if (vtbl_index != Method::nonvirtual_vtable_index) {
        Klass* k = h_recv->klass();
        // k might be an arrayKlassOop but all vtables start at
        // the same place. The cast is to avoid virtual call and assertion.
        InstanceKlass *ik = (InstanceKlass*)k;
        selected_method = ik->method_at_vtable(vtbl_index);
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      } else {
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        // final method
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        selected_method = m;
      }
    } else {
      // interface call
      KlassHandle h_holder(THREAD, holder);

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      int itbl_index = m->itable_index();
      Klass* k = h_recv->klass();
      selected_method = InstanceKlass::cast(k)->method_at_itable(h_holder(), itbl_index, CHECK);
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    }
  }

  methodHandle method(THREAD, selected_method);

  // Create object to hold arguments for the JavaCall, and associate it with
  // the jni parser
  ResourceMark rm(THREAD);
  JavaCallArguments java_args(number_of_parameters);
  args->set_java_argument_object(&java_args);

  // handle arguments
  assert(!method->is_static(), "method should not be static");
  args->push_receiver(h_recv); // Push jobject handle

  // Fill out JavaCallArguments object
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  args->iterate( Fingerprinter(method).fingerprint() );
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  // Initialize result type
  result->set_type(args->get_ret_type());

  // Invoke the method. Result is returned as oop.
  JavaCalls::call(result, method, &java_args, CHECK);

  // Convert result
  if (result->get_type() == T_OBJECT || result->get_type() == T_ARRAY) {
    result->set_jobject(JNIHandles::make_local(env, (oop) result->get_jobject()));
  }
}


static instanceOop alloc_object(jclass clazz, TRAPS) {
1385
  KlassHandle k(THREAD, java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz)));
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  k()->check_valid_for_instantiation(false, CHECK_NULL);
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  InstanceKlass::cast(k())->initialize(CHECK_NULL);
  instanceOop ih = InstanceKlass::cast(k())->allocate_instance(THREAD);
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  return ih;
}

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#ifndef USDT2
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DT_RETURN_MARK_DECL(AllocObject, jobject);
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#else /* USDT2 */
DT_RETURN_MARK_DECL(AllocObject, jobject
                    , HOTSPOT_JNI_ALLOCOBJECT_RETURN(_ret_ref));
#endif /* USDT2 */
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JNI_ENTRY(jobject, jni_AllocObject(JNIEnv *env, jclass clazz))
  JNIWrapper("AllocObject");

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#ifndef USDT2
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  DTRACE_PROBE2(hotspot_jni, AllocObject__entry, env, clazz);
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#else /* USDT2 */
  HOTSPOT_JNI_ALLOCOBJECT_ENTRY(
                                env, clazz);
#endif /* USDT2 */
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  jobject ret = NULL;
  DT_RETURN_MARK(AllocObject, jobject, (const jobject&)ret);

  instanceOop i = alloc_object(clazz, CHECK_NULL);
  ret = JNIHandles::make_local(env, i);
  return ret;
JNI_END

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#ifndef USDT2
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DT_RETURN_MARK_DECL(NewObjectA, jobject);
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#else /* USDT2 */
DT_RETURN_MARK_DECL(NewObjectA, jobject
                    , HOTSPOT_JNI_NEWOBJECTA_RETURN(_ret_ref));
#endif /* USDT2 */
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JNI_ENTRY(jobject, jni_NewObjectA(JNIEnv *env, jclass clazz, jmethodID methodID, const jvalue *args))
  JNIWrapper("NewObjectA");
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#ifndef USDT2
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  DTRACE_PROBE3(hotspot_jni, NewObjectA__entry, env, clazz, methodID);
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#else /* USDT2 */
  HOTSPOT_JNI_NEWOBJECTA_ENTRY(
                               env, clazz, (uintptr_t) methodID);
#endif /* USDT2 */
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  jobject obj = NULL;
  DT_RETURN_MARK(NewObjectA, jobject, (const jobject)obj);

  instanceOop i = alloc_object(clazz, CHECK_NULL);
  obj = JNIHandles::make_local(env, i);
  JavaValue jvalue(T_VOID);
1437
  JNI_ArgumentPusherArray ap(methodID, args);
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  jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_NULL);
  return obj;
JNI_END

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#ifndef USDT2
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DT_RETURN_MARK_DECL(NewObjectV, jobject);
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#else /* USDT2 */
DT_RETURN_MARK_DECL(NewObjectV, jobject
                    , HOTSPOT_JNI_NEWOBJECTV_RETURN(_ret_ref));
#endif /* USDT2 */
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JNI_ENTRY(jobject, jni_NewObjectV(JNIEnv *env, jclass clazz, jmethodID methodID, va_list args))
  JNIWrapper("NewObjectV");
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#ifndef USDT2
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  DTRACE_PROBE3(hotspot_jni, NewObjectV__entry, env, clazz, methodID);
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#else /* USDT2 */
  HOTSPOT_JNI_NEWOBJECTV_ENTRY(
                               env, clazz, (uintptr_t) methodID);
#endif /* USDT2 */
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  jobject obj = NULL;
  DT_RETURN_MARK(NewObjectV, jobject, (const jobject&)obj);

  instanceOop i = alloc_object(clazz, CHECK_NULL);
  obj = JNIHandles::make_local(env, i);
  JavaValue jvalue(T_VOID);
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  JNI_ArgumentPusherVaArg ap(methodID, args);
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  jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_NULL);
  return obj;
JNI_END

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#ifndef USDT2
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DT_RETURN_MARK_DECL(NewObject, jobject);
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#else /* USDT2 */
DT_RETURN_MARK_DECL(NewObject, jobject
                    , HOTSPOT_JNI_NEWOBJECT_RETURN(_ret_ref));
#endif /* USDT2 */
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JNI_ENTRY(jobject, jni_NewObject(JNIEnv *env, jclass clazz, jmethodID methodID, ...))
  JNIWrapper("NewObject");
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#ifndef USDT2
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  DTRACE_PROBE3(hotspot_jni, NewObject__entry, env, clazz, methodID);
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#else /* USDT2 */
  HOTSPOT_JNI_NEWOBJECT_ENTRY(
                              env, clazz, (uintptr_t) methodID);
#endif /* USDT2 */
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  jobject obj = NULL;
  DT_RETURN_MARK(NewObject, jobject, (const jobject&)obj);

  instanceOop i = alloc_object(clazz, CHECK_NULL);
  obj = JNIHandles::make_local(env, i);
  va_list args;
  va_start(args, methodID);
  JavaValue jvalue(T_VOID);
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  JNI_ArgumentPusherVaArg ap(methodID, args);
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  jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_NULL);
  va_end(args);
  return obj;
JNI_END


JNI_ENTRY(jclass, jni_GetObjectClass(JNIEnv *env, jobject obj))
  JNIWrapper("GetObjectClass");
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#ifndef USDT2
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  DTRACE_PROBE2(hotspot_jni, GetObjectClass__entry, env, obj);
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#else /* USDT2 */
  HOTSPOT_JNI_GETOBJECTCLASS_ENTRY(
                                   env, obj);
#endif /* USDT2 */
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  Klass* k = JNIHandles::resolve_non_null(obj)->klass();
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  jclass ret =
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    (jclass) JNIHandles::make_local(env, k->java_mirror());
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  DTRACE_PROBE1(hotspot_jni, GetObjectClass__return, ret);
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#else /* USDT2 */
  HOTSPOT_JNI_GETOBJECTCLASS_RETURN(
                                    ret);
#endif /* USDT2 */
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  return ret;
JNI_END

JNI_QUICK_ENTRY(jboolean, jni_IsInstanceOf(JNIEnv *env, jobject obj, jclass clazz))
  JNIWrapper("IsInstanceOf");
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  DTRACE_PROBE3(hotspot_jni, IsInstanceOf__entry, env, obj, clazz);
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#else /* USDT2 */
  HOTSPOT_JNI_ISINSTANCEOF_ENTRY(
                                 env, obj, clazz);
#endif /* USDT2 */
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  jboolean ret = JNI_TRUE;
  if (obj != NULL) {
    ret = JNI_FALSE;
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    Klass* k = java_lang_Class::as_Klass(
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      JNIHandles::resolve_non_null(clazz));
    if (k != NULL) {
      ret = JNIHandles::resolve_non_null(obj)->is_a(k) ? JNI_TRUE : JNI_FALSE;
    }
  }
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  DTRACE_PROBE1(hotspot_jni, IsInstanceOf__return, ret);
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#else /* USDT2 */
  HOTSPOT_JNI_ISINSTANCEOF_RETURN(
                                  ret);
#endif /* USDT2 */
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  return ret;
JNI_END


static jmethodID get_method_id(JNIEnv *env, jclass clazz, const char *name_str,
                               const char *sig, bool is_static, TRAPS) {
  // %%%% This code should probably just call into a method in the LinkResolver
  //
  // The class should have been loaded (we have an instance of the class
  // passed in) so the method and signature should already be in the symbol
  // table.  If they're not there, the method doesn't exist.
1552 1553 1554 1555 1556 1557 1558
  const char *name_to_probe = (name_str == NULL)
                        ? vmSymbols::object_initializer_name()->as_C_string()
                        : name_str;
  TempNewSymbol name = SymbolTable::probe(name_to_probe, (int)strlen(name_to_probe));
  TempNewSymbol signature = SymbolTable::probe(sig, (int)strlen(sig));

  if (name == NULL || signature == NULL) {
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    THROW_MSG_0(vmSymbols::java_lang_NoSuchMethodError(), name_str);
  }

  // Throw a NoSuchMethodError exception if we have an instance of a
  // primitive java.lang.Class
  if (java_lang_Class::is_primitive(JNIHandles::resolve_non_null(clazz))) {
    THROW_MSG_0(vmSymbols::java_lang_NoSuchMethodError(), name_str);
  }

  KlassHandle klass(THREAD,
1569
               java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz)));
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  // Make sure class is linked and initialized before handing id's out to
1572
  // Method*s.
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  klass()->initialize(CHECK_NULL);
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  Method* m;
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  if (name == vmSymbols::object_initializer_name() ||
      name == vmSymbols::class_initializer_name()) {
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    // Never search superclasses for constructors
    if (klass->oop_is_instance()) {
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      m = InstanceKlass::cast(klass())->find_method(name, signature);
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    } else {
      m = NULL;
    }
  } else {
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    m = klass->lookup_method(name, signature);
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    if (m == NULL &&  klass->oop_is_instance()) {
      m = InstanceKlass::cast(klass())->lookup_method_in_ordered_interfaces(name, signature);
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    }
  }
  if (m == NULL || (m->is_static() != is_static)) {
    THROW_MSG_0(vmSymbols::java_lang_NoSuchMethodError(), name_str);
  }
  return m->jmethod_id();
}


JNI_ENTRY(jmethodID, jni_GetMethodID(JNIEnv *env, jclass clazz,
          const char *name, const char *sig))
  JNIWrapper("GetMethodID");
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#ifndef USDT2
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  DTRACE_PROBE4(hotspot_jni, GetMethodID__entry, env, clazz, name, sig);
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#else /* USDT2 */
  HOTSPOT_JNI_GETMETHODID_ENTRY(
                                env, clazz, (char *) name, (char *) sig);
#endif /* USDT2 */
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  jmethodID ret = get_method_id(env, clazz, name, sig, false, thread);
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#ifndef USDT2
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  DTRACE_PROBE1(hotspot_jni, GetMethodID__return, ret);
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#else /* USDT2 */
  HOTSPOT_JNI_GETMETHODID_RETURN(
                                 (uintptr_t) ret);
#endif /* USDT2 */
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  return ret;
JNI_END


JNI_ENTRY(jmethodID, jni_GetStaticMethodID(JNIEnv *env, jclass clazz,
          const char *name, const char *sig))
  JNIWrapper("GetStaticMethodID");
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#ifndef USDT2
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  DTRACE_PROBE4(hotspot_jni, GetStaticMethodID__entry, env, clazz, name, sig);
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#else /* USDT2 */
  HOTSPOT_JNI_GETSTATICMETHODID_ENTRY(
                                      env, (char *) clazz, (char *) name, (char *)sig);
#endif /* USDT2 */
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  jmethodID ret = get_method_id(env, clazz, name, sig, true, thread);
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#ifndef USDT2
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  DTRACE_PROBE1(hotspot_jni, GetStaticMethodID__return, ret);
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#else /* USDT2 */
  HOTSPOT_JNI_GETSTATICMETHODID_RETURN(
                                       (uintptr_t) ret);
#endif /* USDT2 */
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  return ret;
JNI_END



//
// Calling Methods
//

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#ifndef USDT2
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#define DEFINE_CALLMETHOD(ResultType, Result, Tag) \
\
  DT_RETURN_MARK_DECL_FOR(Result, Call##Result##Method, ResultType);\
  DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodV, ResultType);\
  DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodA, ResultType);\
\
JNI_ENTRY(ResultType, \
          jni_Call##Result##Method(JNIEnv *env, jobject obj, jmethodID methodID, ...)) \
  JNIWrapper("Call" XSTR(Result) "Method"); \
\
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  DTRACE_PROBE3(hotspot_jni, Call##Result##Method__entry, env, obj, methodID); \
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  ResultType ret = 0;\
  DT_RETURN_MARK_FOR(Result, Call##Result##Method, ResultType, \
                     (const ResultType&)ret);\
\
  va_list args; \
  va_start(args, methodID); \
  JavaValue jvalue(Tag); \
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  JNI_ArgumentPusherVaArg ap(methodID, args); \
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  jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \
  va_end(args); \
  ret = jvalue.get_##ResultType(); \
  return ret;\
JNI_END \
\
\
JNI_ENTRY(ResultType, \
          jni_Call##Result##MethodV(JNIEnv *env, jobject obj, jmethodID methodID, va_list args)) \
  JNIWrapper("Call" XSTR(Result) "MethodV"); \
\
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  DTRACE_PROBE3(hotspot_jni, Call##Result##MethodV__entry, env, obj, methodID); \
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  ResultType ret = 0;\
  DT_RETURN_MARK_FOR(Result, Call##Result##MethodV, ResultType, \
                     (const ResultType&)ret);\
\
  JavaValue jvalue(Tag); \
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  JNI_ArgumentPusherVaArg ap(methodID, args); \
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  jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \
  ret = jvalue.get_##ResultType(); \
  return ret;\
JNI_END \
\
\
JNI_ENTRY(ResultType, \
          jni_Call##Result##MethodA(JNIEnv *env, jobject obj, jmethodID methodID, const jvalue *args)) \
  JNIWrapper("Call" XSTR(Result) "MethodA"); \
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  DTRACE_PROBE3(hotspot_jni, Call##Result##MethodA__entry, env, obj, methodID); \
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  ResultType ret = 0;\
  DT_RETURN_MARK_FOR(Result, Call##Result##MethodA, ResultType, \
                     (const ResultType&)ret);\
\
  JavaValue jvalue(Tag); \
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  JNI_ArgumentPusherArray ap(methodID, args); \
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  jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \
  ret = jvalue.get_##ResultType(); \
  return ret;\
JNI_END

// the runtime type of subword integral basic types is integer
DEFINE_CALLMETHOD(jboolean, Boolean, T_BOOLEAN)
DEFINE_CALLMETHOD(jbyte,    Byte,    T_BYTE)
DEFINE_CALLMETHOD(jchar,    Char,    T_CHAR)
DEFINE_CALLMETHOD(jshort,   Short,   T_SHORT)

DEFINE_CALLMETHOD(jobject,  Object,  T_OBJECT)
DEFINE_CALLMETHOD(jint,     Int,     T_INT)
DEFINE_CALLMETHOD(jlong,    Long,    T_LONG)
DEFINE_CALLMETHOD(jfloat,   Float,   T_FLOAT)
DEFINE_CALLMETHOD(jdouble,  Double,  T_DOUBLE)

DT_VOID_RETURN_MARK_DECL(CallVoidMethod);
DT_VOID_RETURN_MARK_DECL(CallVoidMethodV);
DT_VOID_RETURN_MARK_DECL(CallVoidMethodA);

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#else /* USDT2 */

#define DEFINE_CALLMETHOD(ResultType, Result, Tag \
                          , EntryProbe, ReturnProbe)    \
\
  DT_RETURN_MARK_DECL_FOR(Result, Call##Result##Method, ResultType \
                          , ReturnProbe);                          \
\
JNI_ENTRY(ResultType, \
          jni_Call##Result##Method(JNIEnv *env, jobject obj, jmethodID methodID, ...)) \
  JNIWrapper("Call" XSTR(Result) "Method"); \
\
  EntryProbe; \
  ResultType ret = 0;\
  DT_RETURN_MARK_FOR(Result, Call##Result##Method, ResultType, \
                     (const ResultType&)ret);\
\
  va_list args; \
  va_start(args, methodID); \
  JavaValue jvalue(Tag); \
  JNI_ArgumentPusherVaArg ap(methodID, args); \
  jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \
  va_end(args); \
  ret = jvalue.get_##ResultType(); \
  return ret;\
JNI_END

// the runtime type of subword integral basic types is integer
DEFINE_CALLMETHOD(jboolean, Boolean, T_BOOLEAN
                  , HOTSPOT_JNI_CALLBOOLEANMETHOD_ENTRY(env, obj, (uintptr_t)methodID),
                  HOTSPOT_JNI_CALLBOOLEANMETHOD_RETURN(_ret_ref))
DEFINE_CALLMETHOD(jbyte,    Byte,    T_BYTE
                  , HOTSPOT_JNI_CALLBYTEMETHOD_ENTRY(env, obj, (uintptr_t)methodID),
                  HOTSPOT_JNI_CALLBYTEMETHOD_RETURN(_ret_ref))
DEFINE_CALLMETHOD(jchar,    Char,    T_CHAR
                  , HOTSPOT_JNI_CALLCHARMETHOD_ENTRY(env, obj, (uintptr_t)methodID),
                  HOTSPOT_JNI_CALLCHARMETHOD_RETURN(_ret_ref))
DEFINE_CALLMETHOD(jshort,   Short,   T_SHORT
                  , HOTSPOT_JNI_CALLSHORTMETHOD_ENTRY(env, obj, (uintptr_t)methodID),
                  HOTSPOT_JNI_CALLSHORTMETHOD_RETURN(_ret_ref))

DEFINE_CALLMETHOD(jobject,  Object,  T_OBJECT
                  , HOTSPOT_JNI_CALLOBJECTMETHOD_ENTRY(env, obj, (uintptr_t)methodID),
                  HOTSPOT_JNI_CALLOBJECTMETHOD_RETURN(_ret_ref))
DEFINE_CALLMETHOD(jint,     Int,     T_INT,
                  HOTSPOT_JNI_CALLINTMETHOD_ENTRY(env, obj, (uintptr_t)methodID),
                  HOTSPOT_JNI_CALLINTMETHOD_RETURN(_ret_ref))
DEFINE_CALLMETHOD(jlong,    Long,    T_LONG
                  , HOTSPOT_JNI_CALLLONGMETHOD_ENTRY(env, obj, (uintptr_t)methodID),
                  HOTSPOT_JNI_CALLLONGMETHOD_RETURN(_ret_ref))
// Float and double probes don't return value because dtrace doesn't currently support it
DEFINE_CALLMETHOD(jfloat,   Float,   T_FLOAT
                  , HOTSPOT_JNI_CALLFLOATMETHOD_ENTRY(env, obj, (uintptr_t)methodID),
                  HOTSPOT_JNI_CALLFLOATMETHOD_RETURN())
DEFINE_CALLMETHOD(jdouble,  Double,  T_DOUBLE
                  , HOTSPOT_JNI_CALLDOUBLEMETHOD_ENTRY(env, obj, (uintptr_t)methodID),
                  HOTSPOT_JNI_CALLDOUBLEMETHOD_RETURN())

#define DEFINE_CALLMETHODV(ResultType, Result, Tag \
                          , EntryProbe, ReturnProbe)    \
\
  DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodV, ResultType \
                          , ReturnProbe);                          \
\
JNI_ENTRY(ResultType, \
          jni_Call##Result##MethodV(JNIEnv *env, jobject obj, jmethodID methodID, va_list args)) \
  JNIWrapper("Call" XSTR(Result) "MethodV"); \
\
  EntryProbe;\
  ResultType ret = 0;\
  DT_RETURN_MARK_FOR(Result, Call##Result##MethodV, ResultType, \
                     (const ResultType&)ret);\
\
  JavaValue jvalue(Tag); \
  JNI_ArgumentPusherVaArg ap(methodID, args); \
  jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \
  ret = jvalue.get_##ResultType(); \
  return ret;\
JNI_END

// the runtime type of subword integral basic types is integer
DEFINE_CALLMETHODV(jboolean, Boolean, T_BOOLEAN
1799 1800
                  , HOTSPOT_JNI_CALLBOOLEANMETHODV_ENTRY(env, obj, (uintptr_t)methodID),
                  HOTSPOT_JNI_CALLBOOLEANMETHODV_RETURN(_ret_ref))
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DEFINE_CALLMETHODV(jbyte,    Byte,    T_BYTE
1802 1803
                  , HOTSPOT_JNI_CALLBYTEMETHODV_ENTRY(env, obj, (uintptr_t)methodID),
                  HOTSPOT_JNI_CALLBYTEMETHODV_RETURN(_ret_ref))
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DEFINE_CALLMETHODV(jchar,    Char,    T_CHAR
1805 1806
                  , HOTSPOT_JNI_CALLCHARMETHODV_ENTRY(env, obj, (uintptr_t)methodID),
                  HOTSPOT_JNI_CALLCHARMETHODV_RETURN(_ret_ref))
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DEFINE_CALLMETHODV(jshort,   Short,   T_SHORT
1808 1809
                  , HOTSPOT_JNI_CALLSHORTMETHODV_ENTRY(env, obj, (uintptr_t)methodID),
                  HOTSPOT_JNI_CALLSHORTMETHODV_RETURN(_ret_ref))
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DEFINE_CALLMETHODV(jobject,  Object,  T_OBJECT
1812 1813
                  , HOTSPOT_JNI_CALLOBJECTMETHODV_ENTRY(env, obj, (uintptr_t)methodID),
                  HOTSPOT_JNI_CALLOBJECTMETHODV_RETURN(_ret_ref))
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DEFINE_CALLMETHODV(jint,     Int,     T_INT,
1815 1816
                  HOTSPOT_JNI_CALLINTMETHODV_ENTRY(env, obj, (uintptr_t)methodID),
                  HOTSPOT_JNI_CALLINTMETHODV_RETURN(_ret_ref))
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DEFINE_CALLMETHODV(jlong,    Long,    T_LONG
1818 1819
                  , HOTSPOT_JNI_CALLLONGMETHODV_ENTRY(env, obj, (uintptr_t)methodID),
                  HOTSPOT_JNI_CALLLONGMETHODV_RETURN(_ret_ref))
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// Float and double probes don't return value because dtrace doesn't currently support it
DEFINE_CALLMETHODV(jfloat,   Float,   T_FLOAT
1822 1823
                  , HOTSPOT_JNI_CALLFLOATMETHODV_ENTRY(env, obj, (uintptr_t)methodID),
                  HOTSPOT_JNI_CALLFLOATMETHODV_RETURN())
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DEFINE_CALLMETHODV(jdouble,  Double,  T_DOUBLE
1825 1826
                  , HOTSPOT_JNI_CALLDOUBLEMETHODV_ENTRY(env, obj, (uintptr_t)methodID),
                  HOTSPOT_JNI_CALLDOUBLEMETHODV_RETURN())
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#define DEFINE_CALLMETHODA(ResultType, Result, Tag \
                          , EntryProbe, ReturnProbe)    \
\
  DT_RETURN_MARK_DECL_FOR(Result, Call##Result##MethodA, ResultType \
                          , ReturnProbe);                          \
\
JNI_ENTRY(ResultType, \
          jni_Call##Result##MethodA(JNIEnv *env, jobject obj, jmethodID methodID, const jvalue *args)) \
  JNIWrapper("Call" XSTR(Result) "MethodA"); \
  EntryProbe; \
  ResultType ret = 0;\
  DT_RETURN_MARK_FOR(Result, Call##Result##MethodA, ResultType, \
                     (const ResultType&)ret);\
\
  JavaValue jvalue(Tag); \
  JNI_ArgumentPusherArray ap(methodID, args); \
  jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK_0); \
  ret = jvalue.get_##ResultType(); \
  return ret;\
JNI_END

// the runtime type of subword integral basic types is integer
DEFINE_CALLMETHODA(jboolean, Boolean, T_BOOLEAN
1851 1852
                  , HOTSPOT_JNI_CALLBOOLEANMETHODA_ENTRY(env, obj, (uintptr_t)methodID),
                  HOTSPOT_JNI_CALLBOOLEANMETHODA_RETURN(_ret_ref))
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DEFINE_CALLMETHODA(jbyte,    Byte,    T_BYTE
1854 1855
                  , HOTSPOT_JNI_CALLBYTEMETHODA_ENTRY(env, obj, (uintptr_t)methodID),
                  HOTSPOT_JNI_CALLBYTEMETHODA_RETURN(_ret_ref))
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DEFINE_CALLMETHODA(jchar,    Char,    T_CHAR
1857 1858
                  , HOTSPOT_JNI_CALLCHARMETHODA_ENTRY(env, obj, (uintptr_t)methodID),
                  HOTSPOT_JNI_CALLCHARMETHODA_RETURN(_ret_ref))
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DEFINE_CALLMETHODA(jshort,   Short,   T_SHORT
1860 1861
                  , HOTSPOT_JNI_CALLSHORTMETHODA_ENTRY(env, obj, (uintptr_t)methodID),
                  HOTSPOT_JNI_CALLSHORTMETHODA_RETURN(_ret_ref))
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DEFINE_CALLMETHODA(jobject,  Object,  T_OBJECT
1864 1865
                  , HOTSPOT_JNI_CALLOBJECTMETHODA_ENTRY(env, obj, (uintptr_t)methodID),
                  HOTSPOT_JNI_CALLOBJECTMETHODA_RETURN(_ret_ref))
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DEFINE_CALLMETHODA(jint,     Int,     T_INT,
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                  HOTSPOT_JNI_CALLINTMETHODA_ENTRY(env, obj, (uintptr_t)methodID),
                  HOTSPOT_JNI_CALLINTMETHODA_RETURN(_ret_ref))
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DEFINE_CALLMETHODA(jlong,    Long,    T_LONG
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                  , HOTSPOT_JNI_CALLLONGMETHODA_ENTRY(env, obj, (uintptr_t)methodID),
                  HOTSPOT_JNI_CALLLONGMETHODA_RETURN(_ret_ref))
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// Float and double probes don't return value because dtrace doesn't currently support it
DEFINE_CALLMETHODA(jfloat,   Float,   T_FLOAT
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                  , HOTSPOT_JNI_CALLFLOATMETHODA_ENTRY(env, obj, (uintptr_t)methodID),
                  HOTSPOT_JNI_CALLFLOATMETHODA_RETURN())
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DEFINE_CALLMETHODA(jdouble,  Double,  T_DOUBLE
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                  , HOTSPOT_JNI_CALLDOUBLEMETHODA_ENTRY(env, obj, (uintptr_t)methodID),
                  HOTSPOT_JNI_CALLDOUBLEMETHODA_RETURN())
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DT_VOID_RETURN_MARK_DECL(CallVoidMethod, HOTSPOT_JNI_CALLVOIDMETHOD_RETURN());
DT_VOID_RETURN_MARK_DECL(CallVoidMethodV, HOTSPOT_JNI_CALLVOIDMETHODV_RETURN());
DT_VOID_RETURN_MARK_DECL(CallVoidMethodA, HOTSPOT_JNI_CALLVOIDMETHODA_RETURN());

#endif /* USDT2 */

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JNI_ENTRY(void, jni_CallVoidMethod(JNIEnv *env, jobject obj, jmethodID methodID, ...))
  JNIWrapper("CallVoidMethod");
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  DTRACE_PROBE3(hotspot_jni, CallVoidMethod__entry, env, obj, methodID);
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#else /* USDT2 */
  HOTSPOT_JNI_CALLVOIDMETHOD_ENTRY(
                                   env, obj, (uintptr_t) methodID);
#endif /* USDT2 */
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  DT_VOID_RETURN_MARK(CallVoidMethod);

  va_list args;
  va_start(args, methodID);
  JavaValue jvalue(T_VOID);
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  JNI_ArgumentPusherVaArg ap(methodID, args);
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  jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK);
  va_end(args);
JNI_END


JNI_ENTRY(void, jni_CallVoidMethodV(JNIEnv *env, jobject obj, jmethodID methodID, va_list args))
  JNIWrapper("CallVoidMethodV");
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#ifndef USDT2
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  DTRACE_PROBE3(hotspot_jni, CallVoidMethodV__entry, env, obj, methodID);
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#else /* USDT2 */
  HOTSPOT_JNI_CALLVOIDMETHODV_ENTRY(
                                    env, obj, (uintptr_t) methodID);
#endif /* USDT2 */
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  DT_VOID_RETURN_MARK(CallVoidMethodV);

  JavaValue jvalue(T_VOID);
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  JNI_ArgumentPusherVaArg ap(methodID, args);
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  jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK);
JNI_END


JNI_ENTRY(void, jni_CallVoidMethodA(JNIEnv *env, jobject obj, jmethodID methodID, const jvalue *args))
  JNIWrapper("CallVoidMethodA");
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  DTRACE_PROBE3(hotspot_jni, CallVoidMethodA__entry, env, obj, methodID);
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#else /* USDT2 */
  HOTSPOT_JNI_CALLVOIDMETHODA_ENTRY(
                                    env, obj, (uintptr_t) methodID);
#endif /* USDT2 */
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  DT_VOID_RETURN_MARK(CallVoidMethodA);

  JavaValue jvalue(T_VOID);
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  JNI_ArgumentPusherArray ap(methodID, args);
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  jni_invoke_nonstatic(env, &jvalue, obj, JNI_VIRTUAL, methodID, &ap, CHECK);
JNI_END


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#ifndef USDT2
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#define DEFINE_CALLNONVIRTUALMETHOD(ResultType, Result, Tag) \
\
  DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##Method, ResultType);\
  DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodV, ResultType);\
  DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodA, ResultType);\
\
JNI_ENTRY(ResultType, \
          jni_CallNonvirtual##Result##Method(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, ...)) \
  JNIWrapper("CallNonvitual" XSTR(Result) "Method"); \
\
  DTRACE_PROBE4(hotspot_jni, CallNonvirtual##Result##Method__entry, env, obj, cls, methodID);\
  ResultType ret;\
  DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##Method, ResultType, \
                     (const ResultType&)ret);\
\
  va_list args; \
  va_start(args, methodID); \
  JavaValue jvalue(Tag); \
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  JNI_ArgumentPusherVaArg ap(methodID, args); \
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  jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \
  va_end(args); \
  ret = jvalue.get_##ResultType(); \
  return ret;\
JNI_END \
\
JNI_ENTRY(ResultType, \
          jni_CallNonvirtual##Result##MethodV(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, va_list args)) \
  JNIWrapper("CallNonvitual" XSTR(Result) "#MethodV"); \
  DTRACE_PROBE4(hotspot_jni, CallNonvirtual##Result##MethodV__entry, env, obj, cls, methodID);\
  ResultType ret;\
  DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodV, ResultType, \
                     (const ResultType&)ret);\
\
  JavaValue jvalue(Tag); \
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  JNI_ArgumentPusherVaArg ap(methodID, args); \
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  jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \
  ret = jvalue.get_##ResultType(); \
  return ret;\
JNI_END \
\
JNI_ENTRY(ResultType, \
          jni_CallNonvirtual##Result##MethodA(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, const jvalue *args)) \
  JNIWrapper("CallNonvitual" XSTR(Result) "MethodA"); \
  DTRACE_PROBE4(hotspot_jni, CallNonvirtual##Result##MethodA__entry, env, obj, cls, methodID);\
  ResultType ret;\
  DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodA, ResultType, \
                     (const ResultType&)ret);\
\
  JavaValue jvalue(Tag); \
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  JNI_ArgumentPusherArray ap(methodID, args); \
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  jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \
  ret = jvalue.get_##ResultType(); \
  return ret;\
JNI_END

// the runtime type of subword integral basic types is integer
DEFINE_CALLNONVIRTUALMETHOD(jboolean, Boolean, T_BOOLEAN)
DEFINE_CALLNONVIRTUALMETHOD(jbyte,    Byte,    T_BYTE)
DEFINE_CALLNONVIRTUALMETHOD(jchar,    Char,    T_CHAR)
DEFINE_CALLNONVIRTUALMETHOD(jshort,   Short,   T_SHORT)

DEFINE_CALLNONVIRTUALMETHOD(jobject,  Object,  T_OBJECT)
DEFINE_CALLNONVIRTUALMETHOD(jint,     Int,     T_INT)
DEFINE_CALLNONVIRTUALMETHOD(jlong,    Long,    T_LONG)
DEFINE_CALLNONVIRTUALMETHOD(jfloat,   Float,   T_FLOAT)
DEFINE_CALLNONVIRTUALMETHOD(jdouble,  Double,  T_DOUBLE)


DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethod);
DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodV);
DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodA);

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#else /* USDT2 */

#define DEFINE_CALLNONVIRTUALMETHOD(ResultType, Result, Tag \
                                    , EntryProbe, ReturnProbe)      \
\
  DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##Method, ResultType \
                          , ReturnProbe);\
\
JNI_ENTRY(ResultType, \
          jni_CallNonvirtual##Result##Method(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, ...)) \
  JNIWrapper("CallNonvitual" XSTR(Result) "Method"); \
\
  EntryProbe;\
  ResultType ret;\
  DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##Method, ResultType, \
                     (const ResultType&)ret);\
\
  va_list args; \
  va_start(args, methodID); \
  JavaValue jvalue(Tag); \
  JNI_ArgumentPusherVaArg ap(methodID, args); \
  jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \
  va_end(args); \
  ret = jvalue.get_##ResultType(); \
  return ret;\
JNI_END

// the runtime type of subword integral basic types is integer
DEFINE_CALLNONVIRTUALMETHOD(jboolean, Boolean, T_BOOLEAN
                            , HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID),
                            HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHOD_RETURN(_ret_ref))
DEFINE_CALLNONVIRTUALMETHOD(jbyte,    Byte,    T_BYTE
                            , HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID),
                            HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHOD_RETURN(_ret_ref))
DEFINE_CALLNONVIRTUALMETHOD(jchar,    Char,    T_CHAR
                            , HOTSPOT_JNI_CALLNONVIRTUALCHARMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID),
                            HOTSPOT_JNI_CALLNONVIRTUALCHARMETHOD_RETURN(_ret_ref))
DEFINE_CALLNONVIRTUALMETHOD(jshort,   Short,   T_SHORT
                            , HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID),
                            HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHOD_RETURN(_ret_ref))

DEFINE_CALLNONVIRTUALMETHOD(jobject,  Object,  T_OBJECT
                            , HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID),
                            HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHOD_RETURN(_ret_ref))
DEFINE_CALLNONVIRTUALMETHOD(jint,     Int,     T_INT
                            , HOTSPOT_JNI_CALLNONVIRTUALINTMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID),
                            HOTSPOT_JNI_CALLNONVIRTUALINTMETHOD_RETURN(_ret_ref))
DEFINE_CALLNONVIRTUALMETHOD(jlong,    Long,    T_LONG
                            , HOTSPOT_JNI_CALLNONVIRTUALLONGMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID),
// Float and double probes don't return value because dtrace doesn't currently support it
                            HOTSPOT_JNI_CALLNONVIRTUALLONGMETHOD_RETURN(_ret_ref))
DEFINE_CALLNONVIRTUALMETHOD(jfloat,   Float,   T_FLOAT
                            , HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID),
                            HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHOD_RETURN())
DEFINE_CALLNONVIRTUALMETHOD(jdouble,  Double,  T_DOUBLE
                            , HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHOD_ENTRY(env, obj, cls, (uintptr_t)methodID),
                            HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHOD_RETURN())

#define DEFINE_CALLNONVIRTUALMETHODV(ResultType, Result, Tag \
                                    , EntryProbe, ReturnProbe)      \
\
  DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodV, ResultType \
                          , ReturnProbe);\
\
JNI_ENTRY(ResultType, \
          jni_CallNonvirtual##Result##MethodV(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, va_list args)) \
  JNIWrapper("CallNonvitual" XSTR(Result) "MethodV"); \
\
  EntryProbe;\
  ResultType ret;\
  DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodV, ResultType, \
                     (const ResultType&)ret);\
\
  JavaValue jvalue(Tag); \
  JNI_ArgumentPusherVaArg ap(methodID, args); \
  jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \
  ret = jvalue.get_##ResultType(); \
  return ret;\
JNI_END

// the runtime type of subword integral basic types is integer
DEFINE_CALLNONVIRTUALMETHODV(jboolean, Boolean, T_BOOLEAN
                            , HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID),
                            HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODV_RETURN(_ret_ref))
DEFINE_CALLNONVIRTUALMETHODV(jbyte,    Byte,    T_BYTE
                            , HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID),
                            HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODV_RETURN(_ret_ref))
DEFINE_CALLNONVIRTUALMETHODV(jchar,    Char,    T_CHAR
                            , HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID),
                            HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODV_RETURN(_ret_ref))
DEFINE_CALLNONVIRTUALMETHODV(jshort,   Short,   T_SHORT
                            , HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID),
                            HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODV_RETURN(_ret_ref))

DEFINE_CALLNONVIRTUALMETHODV(jobject,  Object,  T_OBJECT
                            , HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID),
                            HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODV_RETURN(_ret_ref))
DEFINE_CALLNONVIRTUALMETHODV(jint,     Int,     T_INT
                            , HOTSPOT_JNI_CALLNONVIRTUALINTMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID),
                            HOTSPOT_JNI_CALLNONVIRTUALINTMETHODV_RETURN(_ret_ref))
DEFINE_CALLNONVIRTUALMETHODV(jlong,    Long,    T_LONG
                            , HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID),
// Float and double probes don't return value because dtrace doesn't currently support it
                            HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODV_RETURN(_ret_ref))
DEFINE_CALLNONVIRTUALMETHODV(jfloat,   Float,   T_FLOAT
                            , HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID),
                            HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODV_RETURN())
DEFINE_CALLNONVIRTUALMETHODV(jdouble,  Double,  T_DOUBLE
                            , HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODV_ENTRY(env, obj, cls, (uintptr_t)methodID),
                            HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODV_RETURN())

#define DEFINE_CALLNONVIRTUALMETHODA(ResultType, Result, Tag \
                                    , EntryProbe, ReturnProbe)      \
\
  DT_RETURN_MARK_DECL_FOR(Result, CallNonvirtual##Result##MethodA, ResultType \
                          , ReturnProbe);\
\
JNI_ENTRY(ResultType, \
          jni_CallNonvirtual##Result##MethodA(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, const jvalue *args)) \
  JNIWrapper("CallNonvitual" XSTR(Result) "MethodA"); \
\
  EntryProbe;\
  ResultType ret;\
  DT_RETURN_MARK_FOR(Result, CallNonvirtual##Result##MethodA, ResultType, \
                     (const ResultType&)ret);\
\
  JavaValue jvalue(Tag); \
  JNI_ArgumentPusherArray ap(methodID, args); \
  jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_0); \
  ret = jvalue.get_##ResultType(); \
  return ret;\
JNI_END

// the runtime type of subword integral basic types is integer
DEFINE_CALLNONVIRTUALMETHODA(jboolean, Boolean, T_BOOLEAN
                            , HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID),
                            HOTSPOT_JNI_CALLNONVIRTUALBOOLEANMETHODA_RETURN(_ret_ref))
DEFINE_CALLNONVIRTUALMETHODA(jbyte,    Byte,    T_BYTE
                            , HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID),
                            HOTSPOT_JNI_CALLNONVIRTUALBYTEMETHODA_RETURN(_ret_ref))
DEFINE_CALLNONVIRTUALMETHODA(jchar,    Char,    T_CHAR
                            , HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID),
                            HOTSPOT_JNI_CALLNONVIRTUALCHARMETHODA_RETURN(_ret_ref))
DEFINE_CALLNONVIRTUALMETHODA(jshort,   Short,   T_SHORT
                            , HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID),
                            HOTSPOT_JNI_CALLNONVIRTUALSHORTMETHODA_RETURN(_ret_ref))

DEFINE_CALLNONVIRTUALMETHODA(jobject,  Object,  T_OBJECT
                            , HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID),
                            HOTSPOT_JNI_CALLNONVIRTUALOBJECTMETHODA_RETURN(_ret_ref))
DEFINE_CALLNONVIRTUALMETHODA(jint,     Int,     T_INT
                            , HOTSPOT_JNI_CALLNONVIRTUALINTMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID),
                            HOTSPOT_JNI_CALLNONVIRTUALINTMETHODA_RETURN(_ret_ref))
DEFINE_CALLNONVIRTUALMETHODA(jlong,    Long,    T_LONG
                            , HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID),
// Float and double probes don't return value because dtrace doesn't currently support it
                            HOTSPOT_JNI_CALLNONVIRTUALLONGMETHODA_RETURN(_ret_ref))
DEFINE_CALLNONVIRTUALMETHODA(jfloat,   Float,   T_FLOAT
                            , HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID),
                            HOTSPOT_JNI_CALLNONVIRTUALFLOATMETHODA_RETURN())
DEFINE_CALLNONVIRTUALMETHODA(jdouble,  Double,  T_DOUBLE
                            , HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODA_ENTRY(env, obj, cls, (uintptr_t)methodID),
                            HOTSPOT_JNI_CALLNONVIRTUALDOUBLEMETHODA_RETURN())

DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethod
                         , HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHOD_RETURN());
DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodV
                         , HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODV_RETURN());
DT_VOID_RETURN_MARK_DECL(CallNonvirtualVoidMethodA
                         , HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODA_RETURN());
#endif /* USDT2 */

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JNI_ENTRY(void, jni_CallNonvirtualVoidMethod(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, ...))
  JNIWrapper("CallNonvirtualVoidMethod");

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  DTRACE_PROBE4(hotspot_jni, CallNonvirtualVoidMethod__entry,
               env, obj, cls, methodID);
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#else /* USDT2 */
  HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHOD_ENTRY(
               env, obj, cls, (uintptr_t) methodID);
#endif /* USDT2 */
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  DT_VOID_RETURN_MARK(CallNonvirtualVoidMethod);

  va_list args;
  va_start(args, methodID);
  JavaValue jvalue(T_VOID);
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  JNI_ArgumentPusherVaArg ap(methodID, args);
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  jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK);
  va_end(args);
JNI_END


JNI_ENTRY(void, jni_CallNonvirtualVoidMethodV(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, va_list args))
  JNIWrapper("CallNonvirtualVoidMethodV");

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  DTRACE_PROBE4(hotspot_jni, CallNonvirtualVoidMethodV__entry,
               env, obj, cls, methodID);
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#else /* USDT2 */
  HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODV_ENTRY(
               env, obj, cls, (uintptr_t) methodID);
#endif /* USDT2 */
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  DT_VOID_RETURN_MARK(CallNonvirtualVoidMethodV);

  JavaValue jvalue(T_VOID);
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  jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK);
JNI_END


JNI_ENTRY(void, jni_CallNonvirtualVoidMethodA(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, const jvalue *args))
  JNIWrapper("CallNonvirtualVoidMethodA");
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  DTRACE_PROBE4(hotspot_jni, CallNonvirtualVoidMethodA__entry,
                env, obj, cls, methodID);
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#else /* USDT2 */
  HOTSPOT_JNI_CALLNONVIRTUALVOIDMETHODA_ENTRY(
                env, obj, cls, (uintptr_t) methodID);
#endif /* USDT2 */
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  DT_VOID_RETURN_MARK(CallNonvirtualVoidMethodA);
  JavaValue jvalue(T_VOID);
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  jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK);
JNI_END


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#define DEFINE_CALLSTATICMETHOD(ResultType, Result, Tag) \
\
  DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##Method, ResultType);\
  DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodV, ResultType);\
  DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodA, ResultType);\
\
JNI_ENTRY(ResultType, \
          jni_CallStatic##Result##Method(JNIEnv *env, jclass cls, jmethodID methodID, ...)) \
  JNIWrapper("CallStatic" XSTR(Result) "Method"); \
\
  DTRACE_PROBE3(hotspot_jni, CallStatic##Result##Method__entry, env, cls, methodID);\
  ResultType ret = 0;\
  DT_RETURN_MARK_FOR(Result, CallStatic##Result##Method, ResultType, \
                     (const ResultType&)ret);\
\
  va_list args; \
  va_start(args, methodID); \
  JavaValue jvalue(Tag); \
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  JNI_ArgumentPusherVaArg ap(methodID, args); \
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  jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \
  va_end(args); \
  ret = jvalue.get_##ResultType(); \
  return ret;\
JNI_END \
\
JNI_ENTRY(ResultType, \
          jni_CallStatic##Result##MethodV(JNIEnv *env, jclass cls, jmethodID methodID, va_list args)) \
  JNIWrapper("CallStatic" XSTR(Result) "MethodV"); \
  DTRACE_PROBE3(hotspot_jni, CallStatic##Result##MethodV__entry, env, cls, methodID);\
  ResultType ret = 0;\
  DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodV, ResultType, \
                     (const ResultType&)ret);\
\
  JavaValue jvalue(Tag); \
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  JNI_ArgumentPusherVaArg ap(methodID, args); \
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  jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \
  ret = jvalue.get_##ResultType(); \
  return ret;\
JNI_END \
\
JNI_ENTRY(ResultType, \
          jni_CallStatic##Result##MethodA(JNIEnv *env, jclass cls, jmethodID methodID, const jvalue *args)) \
  JNIWrapper("CallStatic" XSTR(Result) "MethodA"); \
  DTRACE_PROBE3(hotspot_jni, CallStatic##Result##MethodA__entry, env, cls, methodID);\
  ResultType ret = 0;\
  DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodA, ResultType, \
                     (const ResultType&)ret);\
\
  JavaValue jvalue(Tag); \
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  JNI_ArgumentPusherArray ap(methodID, args); \
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  jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \
  ret = jvalue.get_##ResultType(); \
  return ret;\
JNI_END

// the runtime type of subword integral basic types is integer
DEFINE_CALLSTATICMETHOD(jboolean, Boolean, T_BOOLEAN)
DEFINE_CALLSTATICMETHOD(jbyte,    Byte,    T_BYTE)
DEFINE_CALLSTATICMETHOD(jchar,    Char,    T_CHAR)
DEFINE_CALLSTATICMETHOD(jshort,   Short,   T_SHORT)

DEFINE_CALLSTATICMETHOD(jobject,  Object,  T_OBJECT)
DEFINE_CALLSTATICMETHOD(jint,     Int,     T_INT)
DEFINE_CALLSTATICMETHOD(jlong,    Long,    T_LONG)
DEFINE_CALLSTATICMETHOD(jfloat,   Float,   T_FLOAT)
DEFINE_CALLSTATICMETHOD(jdouble,  Double,  T_DOUBLE)


DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethod);
DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodV);
DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodA);

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#else /* USDT2 */

#define DEFINE_CALLSTATICMETHOD(ResultType, Result, Tag \
                                , EntryProbe, ResultProbe) \
\
  DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##Method, ResultType \
                          , ResultProbe);                               \
\
JNI_ENTRY(ResultType, \
          jni_CallStatic##Result##Method(JNIEnv *env, jclass cls, jmethodID methodID, ...)) \
  JNIWrapper("CallStatic" XSTR(Result) "Method"); \
\
  EntryProbe; \
  ResultType ret = 0;\
  DT_RETURN_MARK_FOR(Result, CallStatic##Result##Method, ResultType, \
                     (const ResultType&)ret);\
\
  va_list args; \
  va_start(args, methodID); \
  JavaValue jvalue(Tag); \
  JNI_ArgumentPusherVaArg ap(methodID, args); \
  jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \
  va_end(args); \
  ret = jvalue.get_##ResultType(); \
  return ret;\
JNI_END

// the runtime type of subword integral basic types is integer
DEFINE_CALLSTATICMETHOD(jboolean, Boolean, T_BOOLEAN
                        , HOTSPOT_JNI_CALLSTATICBOOLEANMETHOD_ENTRY(env, cls, (uintptr_t)methodID),
                        HOTSPOT_JNI_CALLSTATICBOOLEANMETHOD_RETURN(_ret_ref));
DEFINE_CALLSTATICMETHOD(jbyte,    Byte,    T_BYTE
                        , HOTSPOT_JNI_CALLSTATICBYTEMETHOD_ENTRY(env, cls, (uintptr_t)methodID),
                        HOTSPOT_JNI_CALLSTATICBYTEMETHOD_RETURN(_ret_ref));
DEFINE_CALLSTATICMETHOD(jchar,    Char,    T_CHAR
                        , HOTSPOT_JNI_CALLSTATICCHARMETHOD_ENTRY(env, cls, (uintptr_t)methodID),
                        HOTSPOT_JNI_CALLSTATICCHARMETHOD_RETURN(_ret_ref));
DEFINE_CALLSTATICMETHOD(jshort,   Short,   T_SHORT
                        , HOTSPOT_JNI_CALLSTATICSHORTMETHOD_ENTRY(env, cls, (uintptr_t)methodID),
                        HOTSPOT_JNI_CALLSTATICSHORTMETHOD_RETURN(_ret_ref));

DEFINE_CALLSTATICMETHOD(jobject,  Object,  T_OBJECT
                        , HOTSPOT_JNI_CALLSTATICOBJECTMETHOD_ENTRY(env, cls, (uintptr_t)methodID),
                        HOTSPOT_JNI_CALLSTATICOBJECTMETHOD_RETURN(_ret_ref));
DEFINE_CALLSTATICMETHOD(jint,     Int,     T_INT
                        , HOTSPOT_JNI_CALLSTATICINTMETHOD_ENTRY(env, cls, (uintptr_t)methodID),
                        HOTSPOT_JNI_CALLSTATICINTMETHOD_RETURN(_ret_ref));
DEFINE_CALLSTATICMETHOD(jlong,    Long,    T_LONG
                        , HOTSPOT_JNI_CALLSTATICLONGMETHOD_ENTRY(env, cls, (uintptr_t)methodID),
                        HOTSPOT_JNI_CALLSTATICLONGMETHOD_RETURN(_ret_ref));
// Float and double probes don't return value because dtrace doesn't currently support it
DEFINE_CALLSTATICMETHOD(jfloat,   Float,   T_FLOAT
                        , HOTSPOT_JNI_CALLSTATICFLOATMETHOD_ENTRY(env, cls, (uintptr_t)methodID),
                        HOTSPOT_JNI_CALLSTATICFLOATMETHOD_RETURN());
DEFINE_CALLSTATICMETHOD(jdouble,  Double,  T_DOUBLE
                        , HOTSPOT_JNI_CALLSTATICDOUBLEMETHOD_ENTRY(env, cls, (uintptr_t)methodID),
                        HOTSPOT_JNI_CALLSTATICDOUBLEMETHOD_RETURN());

#define DEFINE_CALLSTATICMETHODV(ResultType, Result, Tag \
                                , EntryProbe, ResultProbe) \
\
  DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodV, ResultType \
                          , ResultProbe);                               \
\
JNI_ENTRY(ResultType, \
          jni_CallStatic##Result##MethodV(JNIEnv *env, jclass cls, jmethodID methodID, va_list args)) \
  JNIWrapper("CallStatic" XSTR(Result) "MethodV"); \
\
  EntryProbe; \
  ResultType ret = 0;\
  DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodV, ResultType, \
                     (const ResultType&)ret);\
\
  JavaValue jvalue(Tag); \
  JNI_ArgumentPusherVaArg ap(methodID, args); \
  /* Make sure class is initialized before trying to invoke its method */ \
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  KlassHandle k(THREAD, java_lang_Class::as_Klass(JNIHandles::resolve_non_null(cls))); \
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  k()->initialize(CHECK_0); \
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  jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \
  va_end(args); \
  ret = jvalue.get_##ResultType(); \
  return ret;\
JNI_END

// the runtime type of subword integral basic types is integer
DEFINE_CALLSTATICMETHODV(jboolean, Boolean, T_BOOLEAN
                        , HOTSPOT_JNI_CALLSTATICBOOLEANMETHODV_ENTRY(env, cls, (uintptr_t)methodID),
                        HOTSPOT_JNI_CALLSTATICBOOLEANMETHODV_RETURN(_ret_ref));
DEFINE_CALLSTATICMETHODV(jbyte,    Byte,    T_BYTE
                        , HOTSPOT_JNI_CALLSTATICBYTEMETHODV_ENTRY(env, cls, (uintptr_t)methodID),
                        HOTSPOT_JNI_CALLSTATICBYTEMETHODV_RETURN(_ret_ref));
DEFINE_CALLSTATICMETHODV(jchar,    Char,    T_CHAR
                        , HOTSPOT_JNI_CALLSTATICCHARMETHODV_ENTRY(env, cls, (uintptr_t)methodID),
                        HOTSPOT_JNI_CALLSTATICCHARMETHODV_RETURN(_ret_ref));
DEFINE_CALLSTATICMETHODV(jshort,   Short,   T_SHORT
                        , HOTSPOT_JNI_CALLSTATICSHORTMETHODV_ENTRY(env, cls, (uintptr_t)methodID),
                        HOTSPOT_JNI_CALLSTATICSHORTMETHODV_RETURN(_ret_ref));

DEFINE_CALLSTATICMETHODV(jobject,  Object,  T_OBJECT
                        , HOTSPOT_JNI_CALLSTATICOBJECTMETHODV_ENTRY(env, cls, (uintptr_t)methodID),
                        HOTSPOT_JNI_CALLSTATICOBJECTMETHODV_RETURN(_ret_ref));
DEFINE_CALLSTATICMETHODV(jint,     Int,     T_INT
                        , HOTSPOT_JNI_CALLSTATICINTMETHODV_ENTRY(env, cls, (uintptr_t)methodID),
                        HOTSPOT_JNI_CALLSTATICINTMETHODV_RETURN(_ret_ref));
DEFINE_CALLSTATICMETHODV(jlong,    Long,    T_LONG
                        , HOTSPOT_JNI_CALLSTATICLONGMETHODV_ENTRY(env, cls, (uintptr_t)methodID),
                        HOTSPOT_JNI_CALLSTATICLONGMETHODV_RETURN(_ret_ref));
// Float and double probes don't return value because dtrace doesn't currently support it
DEFINE_CALLSTATICMETHODV(jfloat,   Float,   T_FLOAT
                        , HOTSPOT_JNI_CALLSTATICFLOATMETHODV_ENTRY(env, cls, (uintptr_t)methodID),
                        HOTSPOT_JNI_CALLSTATICFLOATMETHODV_RETURN());
DEFINE_CALLSTATICMETHODV(jdouble,  Double,  T_DOUBLE
                        , HOTSPOT_JNI_CALLSTATICDOUBLEMETHODV_ENTRY(env, cls, (uintptr_t)methodID),
                        HOTSPOT_JNI_CALLSTATICDOUBLEMETHODV_RETURN());

#define DEFINE_CALLSTATICMETHODA(ResultType, Result, Tag \
                                , EntryProbe, ResultProbe) \
\
  DT_RETURN_MARK_DECL_FOR(Result, CallStatic##Result##MethodA, ResultType \
                          , ResultProbe);                               \
\
JNI_ENTRY(ResultType, \
          jni_CallStatic##Result##MethodA(JNIEnv *env, jclass cls, jmethodID methodID, const jvalue *args)) \
  JNIWrapper("CallStatic" XSTR(Result) "MethodA"); \
\
  EntryProbe; \
  ResultType ret = 0;\
  DT_RETURN_MARK_FOR(Result, CallStatic##Result##MethodA, ResultType, \
                     (const ResultType&)ret);\
\
  JavaValue jvalue(Tag); \
  JNI_ArgumentPusherArray ap(methodID, args); \
  jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK_0); \
  ret = jvalue.get_##ResultType(); \
  return ret;\
JNI_END

// the runtime type of subword integral basic types is integer
DEFINE_CALLSTATICMETHODA(jboolean, Boolean, T_BOOLEAN
                        , HOTSPOT_JNI_CALLSTATICBOOLEANMETHODA_ENTRY(env, cls, (uintptr_t)methodID),
                        HOTSPOT_JNI_CALLSTATICBOOLEANMETHODA_RETURN(_ret_ref));
DEFINE_CALLSTATICMETHODA(jbyte,    Byte,    T_BYTE
                        , HOTSPOT_JNI_CALLSTATICBYTEMETHODA_ENTRY(env, cls, (uintptr_t)methodID),
                        HOTSPOT_JNI_CALLSTATICBYTEMETHODA_RETURN(_ret_ref));
DEFINE_CALLSTATICMETHODA(jchar,    Char,    T_CHAR
                        , HOTSPOT_JNI_CALLSTATICCHARMETHODA_ENTRY(env, cls, (uintptr_t)methodID),
                        HOTSPOT_JNI_CALLSTATICCHARMETHODA_RETURN(_ret_ref));
DEFINE_CALLSTATICMETHODA(jshort,   Short,   T_SHORT
                        , HOTSPOT_JNI_CALLSTATICSHORTMETHODA_ENTRY(env, cls, (uintptr_t)methodID),
                        HOTSPOT_JNI_CALLSTATICSHORTMETHODA_RETURN(_ret_ref));

DEFINE_CALLSTATICMETHODA(jobject,  Object,  T_OBJECT
                        , HOTSPOT_JNI_CALLSTATICOBJECTMETHODA_ENTRY(env, cls, (uintptr_t)methodID),
                        HOTSPOT_JNI_CALLSTATICOBJECTMETHODA_RETURN(_ret_ref));
DEFINE_CALLSTATICMETHODA(jint,     Int,     T_INT
                        , HOTSPOT_JNI_CALLSTATICINTMETHODA_ENTRY(env, cls, (uintptr_t)methodID),
                        HOTSPOT_JNI_CALLSTATICINTMETHODA_RETURN(_ret_ref));
DEFINE_CALLSTATICMETHODA(jlong,    Long,    T_LONG
                        , HOTSPOT_JNI_CALLSTATICLONGMETHODA_ENTRY(env, cls, (uintptr_t)methodID),
                        HOTSPOT_JNI_CALLSTATICLONGMETHODA_RETURN(_ret_ref));
// Float and double probes don't return value because dtrace doesn't currently support it
DEFINE_CALLSTATICMETHODA(jfloat,   Float,   T_FLOAT
                        , HOTSPOT_JNI_CALLSTATICFLOATMETHODA_ENTRY(env, cls, (uintptr_t)methodID),
                        HOTSPOT_JNI_CALLSTATICFLOATMETHODA_RETURN());
DEFINE_CALLSTATICMETHODA(jdouble,  Double,  T_DOUBLE
                        , HOTSPOT_JNI_CALLSTATICDOUBLEMETHODA_ENTRY(env, cls, (uintptr_t)methodID),
                        HOTSPOT_JNI_CALLSTATICDOUBLEMETHODA_RETURN());

DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethod
                         , HOTSPOT_JNI_CALLSTATICVOIDMETHOD_RETURN());
DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodV
                         , HOTSPOT_JNI_CALLSTATICVOIDMETHODV_RETURN());
DT_VOID_RETURN_MARK_DECL(CallStaticVoidMethodA
                         , HOTSPOT_JNI_CALLSTATICVOIDMETHODA_RETURN());
#endif /* USDT2 */

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JNI_ENTRY(void, jni_CallStaticVoidMethod(JNIEnv *env, jclass cls, jmethodID methodID, ...))
  JNIWrapper("CallStaticVoidMethod");
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#ifndef USDT2
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  DTRACE_PROBE3(hotspot_jni, CallStaticVoidMethod__entry, env, cls, methodID);
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#else /* USDT2 */
  HOTSPOT_JNI_CALLSTATICVOIDMETHOD_ENTRY(
                                         env, cls, (uintptr_t) methodID);
#endif /* USDT2 */
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  DT_VOID_RETURN_MARK(CallStaticVoidMethod);

  va_list args;
  va_start(args, methodID);
  JavaValue jvalue(T_VOID);
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  JNI_ArgumentPusherVaArg ap(methodID, args);
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  jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK);
  va_end(args);
JNI_END


JNI_ENTRY(void, jni_CallStaticVoidMethodV(JNIEnv *env, jclass cls, jmethodID methodID, va_list args))
  JNIWrapper("CallStaticVoidMethodV");
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#ifndef USDT2
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  DTRACE_PROBE3(hotspot_jni, CallStaticVoidMethodV__entry, env, cls, methodID);
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#else /* USDT2 */
  HOTSPOT_JNI_CALLSTATICVOIDMETHODV_ENTRY(
                                          env, cls, (uintptr_t) methodID);
#endif /* USDT2 */
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  DT_VOID_RETURN_MARK(CallStaticVoidMethodV);

  JavaValue jvalue(T_VOID);
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  JNI_ArgumentPusherVaArg ap(methodID, args);
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  jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK);
JNI_END


JNI_ENTRY(void, jni_CallStaticVoidMethodA(JNIEnv *env, jclass cls, jmethodID methodID, const jvalue *args))
  JNIWrapper("CallStaticVoidMethodA");
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#ifndef USDT2
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  DTRACE_PROBE3(hotspot_jni, CallStaticVoidMethodA__entry, env, cls, methodID);
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#else /* USDT2 */
  HOTSPOT_JNI_CALLSTATICVOIDMETHODA_ENTRY(
                                          env, cls, (uintptr_t) methodID);
#endif /* USDT2 */
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  DT_VOID_RETURN_MARK(CallStaticVoidMethodA);

  JavaValue jvalue(T_VOID);
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  JNI_ArgumentPusherArray ap(methodID, args);
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  jni_invoke_static(env, &jvalue, NULL, JNI_STATIC, methodID, &ap, CHECK);
JNI_END


//
// Accessing Fields
//


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#ifndef USDT2
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DT_RETURN_MARK_DECL(GetFieldID, jfieldID);
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#else /* USDT2 */
DT_RETURN_MARK_DECL(GetFieldID, jfieldID
                    , HOTSPOT_JNI_GETFIELDID_RETURN((uintptr_t)_ret_ref));
#endif /* USDT2 */
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JNI_ENTRY(jfieldID, jni_GetFieldID(JNIEnv *env, jclass clazz,
          const char *name, const char *sig))
  JNIWrapper("GetFieldID");
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  DTRACE_PROBE4(hotspot_jni, GetFieldID__entry, env, clazz, name, sig);
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#else /* USDT2 */
  HOTSPOT_JNI_GETFIELDID_ENTRY(
                               env, clazz, (char *) name, (char *) sig);
#endif /* USDT2 */
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  jfieldID ret = 0;
  DT_RETURN_MARK(GetFieldID, jfieldID, (const jfieldID&)ret);

  // The class should have been loaded (we have an instance of the class
  // passed in) so the field and signature should already be in the symbol
  // table.  If they're not there, the field doesn't exist.
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  TempNewSymbol fieldname = SymbolTable::probe(name, (int)strlen(name));
  TempNewSymbol signame = SymbolTable::probe(sig, (int)strlen(sig));
  if (fieldname == NULL || signame == NULL) {
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    THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name);
  }
  KlassHandle k(THREAD,
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                java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz)));
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  // Make sure class is initialized before handing id's out to fields
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  k()->initialize(CHECK_NULL);
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  fieldDescriptor fd;
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  if (!k()->oop_is_instance() ||
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      !InstanceKlass::cast(k())->find_field(fieldname, signame, false, &fd)) {
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    THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name);
  }

  // A jfieldID for a non-static field is simply the offset of the field within the instanceOop
  // It may also have hash bits for k, if VerifyJNIFields is turned on.
  ret = jfieldIDWorkaround::to_instance_jfieldID(k(), fd.offset());
  return ret;
JNI_END


JNI_ENTRY(jobject, jni_GetObjectField(JNIEnv *env, jobject obj, jfieldID fieldID))
  JNIWrapper("GetObjectField");
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#ifndef USDT2
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  DTRACE_PROBE3(hotspot_jni, GetObjectField__entry, env, obj, fieldID);
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#else /* USDT2 */
  HOTSPOT_JNI_GETOBJECTFIELD_ENTRY(
                                   env, obj, (uintptr_t) fieldID);
#endif /* USDT2 */
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  oop o = JNIHandles::resolve_non_null(obj);
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  Klass* k = o->klass();
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  int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID);
  // Keep JVMTI addition small and only check enabled flag here.
  // jni_GetField_probe() assumes that is okay to create handles.
  if (JvmtiExport::should_post_field_access()) {
    o = JvmtiExport::jni_GetField_probe(thread, obj, o, k, fieldID, false);
  }
  jobject ret = JNIHandles::make_local(env, o->obj_field(offset));
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2605 2606 2607 2608 2609 2610 2611 2612
  // If G1 is enabled and we are accessing the value of the referent
  // field in a reference object then we need to register a non-null
  // referent with the SATB barrier.
  if (UseG1GC) {
    bool needs_barrier = false;

    if (ret != NULL &&
        offset == java_lang_ref_Reference::referent_offset &&
2613 2614
        InstanceKlass::cast(k)->reference_type() != REF_NONE) {
      assert(InstanceKlass::cast(k)->is_subclass_of(SystemDictionary::Reference_klass()), "sanity");
2615 2616 2617 2618 2619 2620 2621 2622
      needs_barrier = true;
    }

    if (needs_barrier) {
      oop referent = JNIHandles::resolve(ret);
      G1SATBCardTableModRefBS::enqueue(referent);
    }
  }
2623
#endif // INCLUDE_ALL_GCS
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#ifndef USDT2
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  DTRACE_PROBE1(hotspot_jni, GetObjectField__return, ret);
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#else /* USDT2 */
HOTSPOT_JNI_GETOBJECTFIELD_RETURN(
                                  ret);
#endif /* USDT2 */
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  return ret;
JNI_END


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#ifndef USDT2
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#define DEFINE_GETFIELD(Return,Fieldname,Result) \
\
  DT_RETURN_MARK_DECL_FOR(Result, Get##Result##Field, Return);\
\
JNI_QUICK_ENTRY(Return, jni_Get##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID)) \
  JNIWrapper("Get" XSTR(Result) "Field"); \
\
  DTRACE_PROBE3(hotspot_jni, Get##Result##Field__entry, env, obj, fieldID);\
  Return ret = 0;\
  DT_RETURN_MARK_FOR(Result, Get##Result##Field, Return, (const Return&)ret);\
\
  oop o = JNIHandles::resolve_non_null(obj); \
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  Klass* k = o->klass(); \
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  int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID);  \
  /* Keep JVMTI addition small and only check enabled flag here.       */ \
  /* jni_GetField_probe_nh() assumes that is not okay to create handles */ \
  /* and creates a ResetNoHandleMark.                                   */ \
  if (JvmtiExport::should_post_field_access()) { \
    o = JvmtiExport::jni_GetField_probe_nh(thread, obj, o, k, fieldID, false); \
  } \
  ret = o->Fieldname##_field(offset); \
  return ret; \
JNI_END

DEFINE_GETFIELD(jboolean, bool,   Boolean)
DEFINE_GETFIELD(jbyte,    byte,   Byte)
DEFINE_GETFIELD(jchar,    char,   Char)
DEFINE_GETFIELD(jshort,   short,  Short)
DEFINE_GETFIELD(jint,     int,    Int)
DEFINE_GETFIELD(jlong,    long,   Long)
DEFINE_GETFIELD(jfloat,   float,  Float)
DEFINE_GETFIELD(jdouble,  double, Double)

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#else /* USDT2 */

#define DEFINE_GETFIELD(Return,Fieldname,Result \
  , EntryProbe, ReturnProbe) \
\
  DT_RETURN_MARK_DECL_FOR(Result, Get##Result##Field, Return \
  , ReturnProbe); \
\
JNI_QUICK_ENTRY(Return, jni_Get##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID)) \
  JNIWrapper("Get" XSTR(Result) "Field"); \
\
  EntryProbe; \
  Return ret = 0;\
  DT_RETURN_MARK_FOR(Result, Get##Result##Field, Return, (const Return&)ret);\
\
  oop o = JNIHandles::resolve_non_null(obj); \
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  Klass* k = o->klass(); \
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  int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID);  \
  /* Keep JVMTI addition small and only check enabled flag here.       */ \
  /* jni_GetField_probe_nh() assumes that is not okay to create handles */ \
  /* and creates a ResetNoHandleMark.                                   */ \
  if (JvmtiExport::should_post_field_access()) { \
    o = JvmtiExport::jni_GetField_probe_nh(thread, obj, o, k, fieldID, false); \
  } \
  ret = o->Fieldname##_field(offset); \
  return ret; \
JNI_END

DEFINE_GETFIELD(jboolean, bool,   Boolean
                , HOTSPOT_JNI_GETBOOLEANFIELD_ENTRY(env, obj, (uintptr_t)fieldID),
                HOTSPOT_JNI_GETBOOLEANFIELD_RETURN(_ret_ref))
DEFINE_GETFIELD(jbyte,    byte,   Byte
                , HOTSPOT_JNI_GETBYTEFIELD_ENTRY(env, obj, (uintptr_t)fieldID),
                HOTSPOT_JNI_GETBYTEFIELD_RETURN(_ret_ref))
DEFINE_GETFIELD(jchar,    char,   Char
                , HOTSPOT_JNI_GETCHARFIELD_ENTRY(env, obj, (uintptr_t)fieldID),
                HOTSPOT_JNI_GETCHARFIELD_RETURN(_ret_ref))
DEFINE_GETFIELD(jshort,   short,  Short
                , HOTSPOT_JNI_GETSHORTFIELD_ENTRY(env, obj, (uintptr_t)fieldID),
                HOTSPOT_JNI_GETSHORTFIELD_RETURN(_ret_ref))
DEFINE_GETFIELD(jint,     int,    Int
                , HOTSPOT_JNI_GETINTFIELD_ENTRY(env, obj, (uintptr_t)fieldID),
                HOTSPOT_JNI_GETINTFIELD_RETURN(_ret_ref))
DEFINE_GETFIELD(jlong,    long,   Long
                , HOTSPOT_JNI_GETLONGFIELD_ENTRY(env, obj, (uintptr_t)fieldID),
                HOTSPOT_JNI_GETLONGFIELD_RETURN(_ret_ref))
// Float and double probes don't return value because dtrace doesn't currently support it
DEFINE_GETFIELD(jfloat,   float,  Float
                , HOTSPOT_JNI_GETFLOATFIELD_ENTRY(env, obj, (uintptr_t)fieldID),
                HOTSPOT_JNI_GETFLOATFIELD_RETURN())
DEFINE_GETFIELD(jdouble,  double, Double
                , HOTSPOT_JNI_GETDOUBLEFIELD_ENTRY(env, obj, (uintptr_t)fieldID),
                HOTSPOT_JNI_GETDOUBLEFIELD_RETURN())
#endif /* USDT2 */

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address jni_GetBooleanField_addr() {
  return (address)jni_GetBooleanField;
}
address jni_GetByteField_addr() {
  return (address)jni_GetByteField;
}
address jni_GetCharField_addr() {
  return (address)jni_GetCharField;
}
address jni_GetShortField_addr() {
  return (address)jni_GetShortField;
}
address jni_GetIntField_addr() {
  return (address)jni_GetIntField;
}
address jni_GetLongField_addr() {
  return (address)jni_GetLongField;
}
address jni_GetFloatField_addr() {
  return (address)jni_GetFloatField;
}
address jni_GetDoubleField_addr() {
  return (address)jni_GetDoubleField;
}

JNI_QUICK_ENTRY(void, jni_SetObjectField(JNIEnv *env, jobject obj, jfieldID fieldID, jobject value))
  JNIWrapper("SetObjectField");
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#ifndef USDT2
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  DTRACE_PROBE4(hotspot_jni, SetObjectField__entry, env, obj, fieldID, value);
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#else /* USDT2 */
  HOTSPOT_JNI_SETOBJECTFIELD_ENTRY(
                                   env, obj, (uintptr_t) fieldID, value);
#endif /* USDT2 */
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  oop o = JNIHandles::resolve_non_null(obj);
2757
  Klass* k = o->klass();
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  int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID);
  // Keep JVMTI addition small and only check enabled flag here.
  // jni_SetField_probe_nh() assumes that is not okay to create handles
  // and creates a ResetNoHandleMark.
  if (JvmtiExport::should_post_field_modification()) {
    jvalue field_value;
    field_value.l = value;
    o = JvmtiExport::jni_SetField_probe_nh(thread, obj, o, k, fieldID, false, 'L', (jvalue *)&field_value);
  }
  o->obj_field_put(offset, JNIHandles::resolve(value));
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#ifndef USDT2
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  DTRACE_PROBE(hotspot_jni, SetObjectField__return);
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#else /* USDT2 */
  HOTSPOT_JNI_SETOBJECTFIELD_RETURN(
);
#endif /* USDT2 */
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JNI_END

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#ifndef USDT2
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#define DEFINE_SETFIELD(Argument,Fieldname,Result,SigType,unionType) \
\
JNI_QUICK_ENTRY(void, jni_Set##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID, Argument value)) \
  JNIWrapper("Set" XSTR(Result) "Field"); \
\
2782 2783 2784
  FP_SELECT_##Result( \
    DTRACE_PROBE4(hotspot_jni, Set##Result##Field__entry, env, obj, fieldID, value), \
    DTRACE_PROBE3(hotspot_jni, Set##Result##Field__entry, env, obj, fieldID)); \
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\
  oop o = JNIHandles::resolve_non_null(obj); \
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  Klass* k = o->klass(); \
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  int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID);  \
  /* Keep JVMTI addition small and only check enabled flag here.       */ \
  /* jni_SetField_probe_nh() assumes that is not okay to create handles */ \
  /* and creates a ResetNoHandleMark.                                   */ \
  if (JvmtiExport::should_post_field_modification()) { \
    jvalue field_value; \
    field_value.unionType = value; \
    o = JvmtiExport::jni_SetField_probe_nh(thread, obj, o, k, fieldID, false, SigType, (jvalue *)&field_value); \
  } \
  o->Fieldname##_field_put(offset, value); \
  DTRACE_PROBE(hotspot_jni, Set##Result##Field__return);\
JNI_END

DEFINE_SETFIELD(jboolean, bool,   Boolean, 'Z', z)
DEFINE_SETFIELD(jbyte,    byte,   Byte,    'B', b)
DEFINE_SETFIELD(jchar,    char,   Char,    'C', c)
DEFINE_SETFIELD(jshort,   short,  Short,   'S', s)
DEFINE_SETFIELD(jint,     int,    Int,     'I', i)
DEFINE_SETFIELD(jlong,    long,   Long,    'J', j)
DEFINE_SETFIELD(jfloat,   float,  Float,   'F', f)
DEFINE_SETFIELD(jdouble,  double, Double,  'D', d)

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#else /* USDT2 */

#define DEFINE_SETFIELD(Argument,Fieldname,Result,SigType,unionType \
                        , EntryProbe, ReturnProbe) \
\
JNI_QUICK_ENTRY(void, jni_Set##Result##Field(JNIEnv *env, jobject obj, jfieldID fieldID, Argument value)) \
  JNIWrapper("Set" XSTR(Result) "Field"); \
\
  EntryProbe; \
\
  oop o = JNIHandles::resolve_non_null(obj); \
2821
  Klass* k = o->klass(); \
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  int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID);  \
  /* Keep JVMTI addition small and only check enabled flag here.       */ \
  /* jni_SetField_probe_nh() assumes that is not okay to create handles */ \
  /* and creates a ResetNoHandleMark.                                   */ \
  if (JvmtiExport::should_post_field_modification()) { \
    jvalue field_value; \
    field_value.unionType = value; \
    o = JvmtiExport::jni_SetField_probe_nh(thread, obj, o, k, fieldID, false, SigType, (jvalue *)&field_value); \
  } \
  o->Fieldname##_field_put(offset, value); \
  ReturnProbe; \
JNI_END

DEFINE_SETFIELD(jboolean, bool,   Boolean, 'Z', z
                , HOTSPOT_JNI_SETBOOLEANFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value),
                HOTSPOT_JNI_SETBOOLEANFIELD_RETURN())
DEFINE_SETFIELD(jbyte,    byte,   Byte,    'B', b
                , HOTSPOT_JNI_SETBYTEFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value),
                HOTSPOT_JNI_SETBYTEFIELD_RETURN())
DEFINE_SETFIELD(jchar,    char,   Char,    'C', c
                , HOTSPOT_JNI_SETCHARFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value),
                HOTSPOT_JNI_SETCHARFIELD_RETURN())
DEFINE_SETFIELD(jshort,   short,  Short,   'S', s
                , HOTSPOT_JNI_SETSHORTFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value),
                HOTSPOT_JNI_SETSHORTFIELD_RETURN())
DEFINE_SETFIELD(jint,     int,    Int,     'I', i
                , HOTSPOT_JNI_SETINTFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value),
                HOTSPOT_JNI_SETINTFIELD_RETURN())
DEFINE_SETFIELD(jlong,    long,   Long,    'J', j
                , HOTSPOT_JNI_SETLONGFIELD_ENTRY(env, obj, (uintptr_t)fieldID, value),
                HOTSPOT_JNI_SETLONGFIELD_RETURN())
// Float and double probes don't return value because dtrace doesn't currently support it
DEFINE_SETFIELD(jfloat,   float,  Float,   'F', f
                , HOTSPOT_JNI_SETFLOATFIELD_ENTRY(env, obj, (uintptr_t)fieldID),
                HOTSPOT_JNI_SETFLOATFIELD_RETURN())
DEFINE_SETFIELD(jdouble,  double, Double,  'D', d
                , HOTSPOT_JNI_SETDOUBLEFIELD_ENTRY(env, obj, (uintptr_t)fieldID),
                HOTSPOT_JNI_SETDOUBLEFIELD_RETURN())
#endif /* USDT2 */

#ifndef USDT2
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DT_RETURN_MARK_DECL(ToReflectedField, jobject);
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#else /* USDT2 */
DT_RETURN_MARK_DECL(ToReflectedField, jobject
                    , HOTSPOT_JNI_TOREFLECTEDFIELD_RETURN(_ret_ref));
#endif /* USDT2 */
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JNI_ENTRY(jobject, jni_ToReflectedField(JNIEnv *env, jclass cls, jfieldID fieldID, jboolean isStatic))
  JNIWrapper("ToReflectedField");
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#ifndef USDT2
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  DTRACE_PROBE4(hotspot_jni, ToReflectedField__entry,
                env, cls, fieldID, isStatic);
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#else /* USDT2 */
  HOTSPOT_JNI_TOREFLECTEDFIELD_ENTRY(
                env, cls, (uintptr_t) fieldID, isStatic);
#endif /* USDT2 */
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  jobject ret = NULL;
  DT_RETURN_MARK(ToReflectedField, jobject, (const jobject&)ret);

  fieldDescriptor fd;
  bool found = false;
2883
  Klass* k = java_lang_Class::as_Klass(JNIHandles::resolve_non_null(cls));
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  assert(jfieldIDWorkaround::is_static_jfieldID(fieldID) == (isStatic != 0), "invalid fieldID");

  if (isStatic) {
2888
    // Static field. The fieldID a JNIid specifying the field holder and the offset within the Klass*.
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    JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID);
    assert(id->is_static_field_id(), "invalid static field id");
2891
    found = id->find_local_field(&fd);
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  } else {
    // Non-static field. The fieldID is really the offset of the field within the instanceOop.
    int offset = jfieldIDWorkaround::from_instance_jfieldID(k, fieldID);
2895
    found = InstanceKlass::cast(k)->find_field_from_offset(offset, false, &fd);
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  }
  assert(found, "bad fieldID passed into jni_ToReflectedField");
  oop reflected = Reflection::new_field(&fd, UseNewReflection, CHECK_NULL);
  ret = JNIHandles::make_local(env, reflected);
  return ret;
JNI_END


//
// Accessing Static Fields
//
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#ifndef USDT2
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DT_RETURN_MARK_DECL(GetStaticFieldID, jfieldID);
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#else /* USDT2 */
DT_RETURN_MARK_DECL(GetStaticFieldID, jfieldID
                    , HOTSPOT_JNI_GETSTATICFIELDID_RETURN((uintptr_t)_ret_ref));
#endif /* USDT2 */
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JNI_ENTRY(jfieldID, jni_GetStaticFieldID(JNIEnv *env, jclass clazz,
          const char *name, const char *sig))
  JNIWrapper("GetStaticFieldID");
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#ifndef USDT2
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  DTRACE_PROBE4(hotspot_jni, GetStaticFieldID__entry, env, clazz, name, sig);
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#else /* USDT2 */
  HOTSPOT_JNI_GETSTATICFIELDID_ENTRY(
                                     env, clazz, (char *) name, (char *) sig);
#endif /* USDT2 */
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  jfieldID ret = NULL;
  DT_RETURN_MARK(GetStaticFieldID, jfieldID, (const jfieldID&)ret);

  // The class should have been loaded (we have an instance of the class
  // passed in) so the field and signature should already be in the symbol
  // table.  If they're not there, the field doesn't exist.
2929 2930 2931
  TempNewSymbol fieldname = SymbolTable::probe(name, (int)strlen(name));
  TempNewSymbol signame = SymbolTable::probe(sig, (int)strlen(sig));
  if (fieldname == NULL || signame == NULL) {
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    THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name);
  }
  KlassHandle k(THREAD,
2935
                java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz)));
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  // Make sure class is initialized before handing id's out to static fields
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  k()->initialize(CHECK_NULL);
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  fieldDescriptor fd;
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  if (!k()->oop_is_instance() ||
2941
      !InstanceKlass::cast(k())->find_field(fieldname, signame, true, &fd)) {
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    THROW_MSG_0(vmSymbols::java_lang_NoSuchFieldError(), (char*) name);
  }

2945
  // A jfieldID for a static field is a JNIid specifying the field holder and the offset within the Klass*
2946
  JNIid* id = fd.field_holder()->jni_id_for(fd.offset());
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  debug_only(id->set_is_static_field_id();)

2949
  debug_only(id->verify(fd.field_holder()));
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  ret = jfieldIDWorkaround::to_static_jfieldID(id);
  return ret;
JNI_END


JNI_ENTRY(jobject, jni_GetStaticObjectField(JNIEnv *env, jclass clazz, jfieldID fieldID))
  JNIWrapper("GetStaticObjectField");
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#ifndef USDT2
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  DTRACE_PROBE3(hotspot_jni, GetStaticObjectField__entry, env, clazz, fieldID);
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#else /* USDT2 */
  HOTSPOT_JNI_GETSTATICOBJECTFIELD_ENTRY(
                                         env, clazz, (uintptr_t) fieldID);
#endif /* USDT2 */
2964
#if INCLUDE_JNI_CHECK
2965
  DEBUG_ONLY(Klass* param_k = jniCheck::validate_class(thread, clazz);)
2966
#endif // INCLUDE_JNI_CHECK
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  JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID);
  assert(id->is_static_field_id(), "invalid static field id");
  // Keep JVMTI addition small and only check enabled flag here.
  // jni_GetField_probe() assumes that is okay to create handles.
  if (JvmtiExport::should_post_field_access()) {
    JvmtiExport::jni_GetField_probe(thread, NULL, NULL, id->holder(), fieldID, true);
  }
2974
  jobject ret = JNIHandles::make_local(id->holder()->java_mirror()->obj_field(id->offset()));
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#ifndef USDT2
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  DTRACE_PROBE1(hotspot_jni, GetStaticObjectField__return, ret);
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#else /* USDT2 */
  HOTSPOT_JNI_GETSTATICOBJECTFIELD_RETURN(
                                          ret);
#endif /* USDT2 */
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  return ret;
JNI_END

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#ifndef USDT2
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#define DEFINE_GETSTATICFIELD(Return,Fieldname,Result) \
\
  DT_RETURN_MARK_DECL_FOR(Result, GetStatic##Result##Field, Return);\
\
JNI_ENTRY(Return, jni_GetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID)) \
  JNIWrapper("GetStatic" XSTR(Result) "Field"); \
  DTRACE_PROBE3(hotspot_jni, GetStatic##Result##Field__entry, env, clazz, fieldID);\
  Return ret = 0;\
  DT_RETURN_MARK_FOR(Result, GetStatic##Result##Field, Return, \
                     (const Return&)ret);\
  JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \
  assert(id->is_static_field_id(), "invalid static field id"); \
  /* Keep JVMTI addition small and only check enabled flag here. */ \
  /* jni_GetField_probe() assumes that is okay to create handles. */ \
  if (JvmtiExport::should_post_field_access()) { \
    JvmtiExport::jni_GetField_probe(thread, NULL, NULL, id->holder(), fieldID, true); \
  } \
3002
  ret = id->holder()->java_mirror()-> Fieldname##_field (id->offset()); \
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  return ret;\
JNI_END

DEFINE_GETSTATICFIELD(jboolean, bool,   Boolean)
DEFINE_GETSTATICFIELD(jbyte,    byte,   Byte)
DEFINE_GETSTATICFIELD(jchar,    char,   Char)
DEFINE_GETSTATICFIELD(jshort,   short,  Short)
DEFINE_GETSTATICFIELD(jint,     int,    Int)
DEFINE_GETSTATICFIELD(jlong,    long,   Long)
DEFINE_GETSTATICFIELD(jfloat,   float,  Float)
DEFINE_GETSTATICFIELD(jdouble,  double, Double)

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#else /* USDT2 */

#define DEFINE_GETSTATICFIELD(Return,Fieldname,Result \
                              , EntryProbe, ReturnProbe) \
\
  DT_RETURN_MARK_DECL_FOR(Result, GetStatic##Result##Field, Return \
                          , ReturnProbe);                                          \
\
JNI_ENTRY(Return, jni_GetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID)) \
  JNIWrapper("GetStatic" XSTR(Result) "Field"); \
  EntryProbe; \
  Return ret = 0;\
  DT_RETURN_MARK_FOR(Result, GetStatic##Result##Field, Return, \
                     (const Return&)ret);\
  JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \
  assert(id->is_static_field_id(), "invalid static field id"); \
  /* Keep JVMTI addition small and only check enabled flag here. */ \
  /* jni_GetField_probe() assumes that is okay to create handles. */ \
  if (JvmtiExport::should_post_field_access()) { \
    JvmtiExport::jni_GetField_probe(thread, NULL, NULL, id->holder(), fieldID, true); \
  } \
  ret = id->holder()->java_mirror()-> Fieldname##_field (id->offset()); \
  return ret;\
JNI_END

DEFINE_GETSTATICFIELD(jboolean, bool,   Boolean
                      , HOTSPOT_JNI_GETSTATICBOOLEANFIELD_ENTRY(env, clazz, (uintptr_t) fieldID), HOTSPOT_JNI_GETSTATICBOOLEANFIELD_RETURN(_ret_ref))
DEFINE_GETSTATICFIELD(jbyte,    byte,   Byte
                      , HOTSPOT_JNI_GETSTATICBYTEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID),    HOTSPOT_JNI_GETSTATICBYTEFIELD_RETURN(_ret_ref)   )
DEFINE_GETSTATICFIELD(jchar,    char,   Char
                      , HOTSPOT_JNI_GETSTATICCHARFIELD_ENTRY(env, clazz, (uintptr_t) fieldID),    HOTSPOT_JNI_GETSTATICCHARFIELD_RETURN(_ret_ref)   )
DEFINE_GETSTATICFIELD(jshort,   short,  Short
                      , HOTSPOT_JNI_GETSTATICSHORTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID),   HOTSPOT_JNI_GETSTATICSHORTFIELD_RETURN(_ret_ref)  )
DEFINE_GETSTATICFIELD(jint,     int,    Int
                      , HOTSPOT_JNI_GETSTATICINTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID),     HOTSPOT_JNI_GETSTATICINTFIELD_RETURN(_ret_ref)    )
DEFINE_GETSTATICFIELD(jlong,    long,   Long
                      , HOTSPOT_JNI_GETSTATICLONGFIELD_ENTRY(env, clazz, (uintptr_t) fieldID),    HOTSPOT_JNI_GETSTATICLONGFIELD_RETURN(_ret_ref)   )
// Float and double probes don't return value because dtrace doesn't currently support it
DEFINE_GETSTATICFIELD(jfloat,   float,  Float
                      , HOTSPOT_JNI_GETSTATICFLOATFIELD_ENTRY(env, clazz, (uintptr_t) fieldID),   HOTSPOT_JNI_GETSTATICFLOATFIELD_RETURN()          )
DEFINE_GETSTATICFIELD(jdouble,  double, Double
                      , HOTSPOT_JNI_GETSTATICDOUBLEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID),  HOTSPOT_JNI_GETSTATICDOUBLEFIELD_RETURN()         )
#endif /* USDT2 */
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JNI_ENTRY(void, jni_SetStaticObjectField(JNIEnv *env, jclass clazz, jfieldID fieldID, jobject value))
  JNIWrapper("SetStaticObjectField");
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#ifndef USDT2
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  DTRACE_PROBE4(hotspot_jni, SetStaticObjectField__entry, env, clazz, fieldID, value);
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#else /* USDT2 */
 HOTSPOT_JNI_SETSTATICOBJECTFIELD_ENTRY(
                                        env, clazz, (uintptr_t) fieldID, value);
#endif /* USDT2 */
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  JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID);
  assert(id->is_static_field_id(), "invalid static field id");
  // Keep JVMTI addition small and only check enabled flag here.
  // jni_SetField_probe() assumes that is okay to create handles.
  if (JvmtiExport::should_post_field_modification()) {
    jvalue field_value;
    field_value.l = value;
    JvmtiExport::jni_SetField_probe(thread, NULL, NULL, id->holder(), fieldID, true, 'L', (jvalue *)&field_value);
  }
3076
  id->holder()->java_mirror()->obj_field_put(id->offset(), JNIHandles::resolve(value));
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3077
#ifndef USDT2
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3078
  DTRACE_PROBE(hotspot_jni, SetStaticObjectField__return);
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3079 3080 3081 3082
#else /* USDT2 */
  HOTSPOT_JNI_SETSTATICOBJECTFIELD_RETURN(
                                          );
#endif /* USDT2 */
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JNI_END


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#ifndef USDT2
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#define DEFINE_SETSTATICFIELD(Argument,Fieldname,Result,SigType,unionType) \
\
JNI_ENTRY(void, jni_SetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID, Argument value)) \
  JNIWrapper("SetStatic" XSTR(Result) "Field"); \
3091 3092 3093
  FP_SELECT_##Result( \
     DTRACE_PROBE4(hotspot_jni, SetStatic##Result##Field__entry, env, clazz, fieldID, value), \
     DTRACE_PROBE3(hotspot_jni, SetStatic##Result##Field__entry, env, clazz, fieldID)); \
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\
  JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \
  assert(id->is_static_field_id(), "invalid static field id"); \
  /* Keep JVMTI addition small and only check enabled flag here. */ \
  /* jni_SetField_probe() assumes that is okay to create handles. */ \
  if (JvmtiExport::should_post_field_modification()) { \
    jvalue field_value; \
    field_value.unionType = value; \
    JvmtiExport::jni_SetField_probe(thread, NULL, NULL, id->holder(), fieldID, true, SigType, (jvalue *)&field_value); \
  } \
3104
  id->holder()->java_mirror()-> Fieldname##_field_put (id->offset(), value); \
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  DTRACE_PROBE(hotspot_jni, SetStatic##Result##Field__return);\
JNI_END

DEFINE_SETSTATICFIELD(jboolean, bool,   Boolean, 'Z', z)
DEFINE_SETSTATICFIELD(jbyte,    byte,   Byte,    'B', b)
DEFINE_SETSTATICFIELD(jchar,    char,   Char,    'C', c)
DEFINE_SETSTATICFIELD(jshort,   short,  Short,   'S', s)
DEFINE_SETSTATICFIELD(jint,     int,    Int,     'I', i)
DEFINE_SETSTATICFIELD(jlong,    long,   Long,    'J', j)
DEFINE_SETSTATICFIELD(jfloat,   float,  Float,   'F', f)
DEFINE_SETSTATICFIELD(jdouble,  double, Double,  'D', d)

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#else /* USDT2 */

#define DEFINE_SETSTATICFIELD(Argument,Fieldname,Result,SigType,unionType \
                              , EntryProbe, ReturnProbe) \
\
JNI_ENTRY(void, jni_SetStatic##Result##Field(JNIEnv *env, jclass clazz, jfieldID fieldID, Argument value)) \
  JNIWrapper("SetStatic" XSTR(Result) "Field"); \
  EntryProbe; \
\
  JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fieldID); \
  assert(id->is_static_field_id(), "invalid static field id"); \
  /* Keep JVMTI addition small and only check enabled flag here. */ \
  /* jni_SetField_probe() assumes that is okay to create handles. */ \
  if (JvmtiExport::should_post_field_modification()) { \
    jvalue field_value; \
    field_value.unionType = value; \
    JvmtiExport::jni_SetField_probe(thread, NULL, NULL, id->holder(), fieldID, true, SigType, (jvalue *)&field_value); \
  } \
  id->holder()->java_mirror()-> Fieldname##_field_put (id->offset(), value); \
  ReturnProbe;\
JNI_END

DEFINE_SETSTATICFIELD(jboolean, bool,   Boolean, 'Z', z
3140
                      , HOTSPOT_JNI_SETSTATICBOOLEANFIELD_ENTRY(env, clazz, (uintptr_t)fieldID, value),
D
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                      HOTSPOT_JNI_SETBOOLEANFIELD_RETURN())
DEFINE_SETSTATICFIELD(jbyte,    byte,   Byte,    'B', b
                      , HOTSPOT_JNI_SETSTATICBYTEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value),
                      HOTSPOT_JNI_SETSTATICBYTEFIELD_RETURN())
DEFINE_SETSTATICFIELD(jchar,    char,   Char,    'C', c
                      , HOTSPOT_JNI_SETSTATICCHARFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value),
                      HOTSPOT_JNI_SETSTATICCHARFIELD_RETURN())
DEFINE_SETSTATICFIELD(jshort,   short,  Short,   'S', s
                      , HOTSPOT_JNI_SETSTATICSHORTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value),
                      HOTSPOT_JNI_SETSTATICSHORTFIELD_RETURN())
DEFINE_SETSTATICFIELD(jint,     int,    Int,     'I', i
                      , HOTSPOT_JNI_SETSTATICINTFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value),
                      HOTSPOT_JNI_SETSTATICINTFIELD_RETURN())
DEFINE_SETSTATICFIELD(jlong,    long,   Long,    'J', j
                      , HOTSPOT_JNI_SETSTATICLONGFIELD_ENTRY(env, clazz, (uintptr_t) fieldID, value),
                      HOTSPOT_JNI_SETSTATICLONGFIELD_RETURN())
// Float and double probes don't return value because dtrace doesn't currently support it
DEFINE_SETSTATICFIELD(jfloat,   float,  Float,   'F', f
                      , HOTSPOT_JNI_SETSTATICFLOATFIELD_ENTRY(env, clazz, (uintptr_t) fieldID),
                      HOTSPOT_JNI_SETSTATICFLOATFIELD_RETURN())
DEFINE_SETSTATICFIELD(jdouble,  double, Double,  'D', d
                      , HOTSPOT_JNI_SETSTATICDOUBLEFIELD_ENTRY(env, clazz, (uintptr_t) fieldID),
                      HOTSPOT_JNI_SETSTATICDOUBLEFIELD_RETURN())
#endif /* USDT2 */
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//
// String Operations
//

// Unicode Interface

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#ifndef USDT2
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DT_RETURN_MARK_DECL(NewString, jstring);
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#else /* USDT2 */
DT_RETURN_MARK_DECL(NewString, jstring
                    , HOTSPOT_JNI_NEWSTRING_RETURN(_ret_ref));
#endif /* USDT2 */
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JNI_ENTRY(jstring, jni_NewString(JNIEnv *env, const jchar *unicodeChars, jsize len))
  JNIWrapper("NewString");
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3181
#ifndef USDT2
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3182
  DTRACE_PROBE3(hotspot_jni, NewString__entry, env, unicodeChars, len);
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3183 3184 3185 3186
#else /* USDT2 */
 HOTSPOT_JNI_NEWSTRING_ENTRY(
                             env, (uint16_t *) unicodeChars, len);
#endif /* USDT2 */
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3187 3188 3189 3190 3191 3192 3193 3194 3195 3196
  jstring ret = NULL;
  DT_RETURN_MARK(NewString, jstring, (const jstring&)ret);
  oop string=java_lang_String::create_oop_from_unicode((jchar*) unicodeChars, len, CHECK_NULL);
  ret = (jstring) JNIHandles::make_local(env, string);
  return ret;
JNI_END


JNI_QUICK_ENTRY(jsize, jni_GetStringLength(JNIEnv *env, jstring string))
  JNIWrapper("GetStringLength");
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#ifndef USDT2
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3198
  DTRACE_PROBE2(hotspot_jni, GetStringLength__entry, env, string);
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#else /* USDT2 */
  HOTSPOT_JNI_GETSTRINGLENGTH_ENTRY(
                                    env, string);
#endif /* USDT2 */
3203 3204 3205 3206 3207
  jsize ret = 0;
  oop s = JNIHandles::resolve_non_null(string);
  if (java_lang_String::value(s) != NULL) {
    ret = java_lang_String::length(s);
  }
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#ifndef USDT2
D
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3209
  DTRACE_PROBE1(hotspot_jni, GetStringLength__return, ret);
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#else /* USDT2 */
 HOTSPOT_JNI_GETSTRINGLENGTH_RETURN(
                                    ret);
#endif /* USDT2 */
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  return ret;
JNI_END


JNI_QUICK_ENTRY(const jchar*, jni_GetStringChars(
  JNIEnv *env, jstring string, jboolean *isCopy))
  JNIWrapper("GetStringChars");
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#ifndef USDT2
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3222
  DTRACE_PROBE3(hotspot_jni, GetStringChars__entry, env, string, isCopy);
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#else /* USDT2 */
 HOTSPOT_JNI_GETSTRINGCHARS_ENTRY(
                                  env, string, (uintptr_t *) isCopy);
#endif /* USDT2 */
3227
  jchar* buf = NULL;
D
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3228 3229
  oop s = JNIHandles::resolve_non_null(string);
  typeArrayOop s_value = java_lang_String::value(s);
3230 3231 3232 3233 3234 3235 3236 3237 3238 3239 3240 3241 3242 3243
  if (s_value != NULL) {
    int s_len = java_lang_String::length(s);
    int s_offset = java_lang_String::offset(s);
    buf = NEW_C_HEAP_ARRAY_RETURN_NULL(jchar, s_len + 1, mtInternal);  // add one for zero termination
    /* JNI Specification states return NULL on OOM */
    if (buf != NULL) {
      if (s_len > 0) {
        memcpy(buf, s_value->char_at_addr(s_offset), sizeof(jchar)*s_len);
      }
      buf[s_len] = 0;
      //%note jni_5
      if (isCopy != NULL) {
        *isCopy = JNI_TRUE;
      }
3244
    }
D
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3245
  }
D
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3246
#ifndef USDT2
D
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3247
  DTRACE_PROBE1(hotspot_jni, GetStringChars__return, buf);
D
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3248 3249 3250 3251
#else /* USDT2 */
  HOTSPOT_JNI_GETSTRINGCHARS_RETURN(
                                    buf);
#endif /* USDT2 */
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  return buf;
JNI_END


JNI_QUICK_ENTRY(void, jni_ReleaseStringChars(JNIEnv *env, jstring str, const jchar *chars))
  JNIWrapper("ReleaseStringChars");
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#ifndef USDT2
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3259
  DTRACE_PROBE3(hotspot_jni, ReleaseStringChars__entry, env, str, chars);
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#else /* USDT2 */
  HOTSPOT_JNI_RELEASESTRINGCHARS_ENTRY(
                                       env, str, (uint16_t *) chars);
#endif /* USDT2 */
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  //%note jni_6
  if (chars != NULL) {
    // Since String objects are supposed to be immutable, don't copy any
    // new data back.  A bad user will have to go after the char array.
    FreeHeap((void*) chars);
  }
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3270
#ifndef USDT2
D
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3271
  DTRACE_PROBE(hotspot_jni, ReleaseStringChars__return);
D
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3272 3273 3274 3275
#else /* USDT2 */
  HOTSPOT_JNI_RELEASESTRINGCHARS_RETURN(
);
#endif /* USDT2 */
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3276 3277 3278 3279 3280
JNI_END


// UTF Interface

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3281
#ifndef USDT2
D
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3282
DT_RETURN_MARK_DECL(NewStringUTF, jstring);
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3283 3284 3285 3286
#else /* USDT2 */
DT_RETURN_MARK_DECL(NewStringUTF, jstring
                    , HOTSPOT_JNI_NEWSTRINGUTF_RETURN(_ret_ref));
#endif /* USDT2 */
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JNI_ENTRY(jstring, jni_NewStringUTF(JNIEnv *env, const char *bytes))
  JNIWrapper("NewStringUTF");
D
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3290
#ifndef USDT2
D
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3291
  DTRACE_PROBE2(hotspot_jni, NewStringUTF__entry, env, bytes);
D
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3292 3293 3294 3295
#else /* USDT2 */
  HOTSPOT_JNI_NEWSTRINGUTF_ENTRY(
                                 env, (char *) bytes);
#endif /* USDT2 */
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3296 3297 3298 3299 3300 3301 3302 3303 3304 3305 3306
  jstring ret;
  DT_RETURN_MARK(NewStringUTF, jstring, (const jstring&)ret);

  oop result = java_lang_String::create_oop_from_str((char*) bytes, CHECK_NULL);
  ret = (jstring) JNIHandles::make_local(env, result);
  return ret;
JNI_END


JNI_ENTRY(jsize, jni_GetStringUTFLength(JNIEnv *env, jstring string))
  JNIWrapper("GetStringUTFLength");
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3307
#ifndef USDT2
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3308
  DTRACE_PROBE2(hotspot_jni, GetStringUTFLength__entry, env, string);
D
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3309 3310 3311 3312
#else /* USDT2 */
 HOTSPOT_JNI_GETSTRINGUTFLENGTH_ENTRY(
                                      env, string);
#endif /* USDT2 */
3313 3314 3315 3316 3317
  jsize ret = 0;
  oop java_string = JNIHandles::resolve_non_null(string);
  if (java_lang_String::value(java_string) != NULL) {
    ret = java_lang_String::utf8_length(java_string);
  }
D
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3318
#ifndef USDT2
D
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3319
  DTRACE_PROBE1(hotspot_jni, GetStringUTFLength__return, ret);
D
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3320 3321 3322 3323
#else /* USDT2 */
  HOTSPOT_JNI_GETSTRINGUTFLENGTH_RETURN(
                                        ret);
#endif /* USDT2 */
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3324 3325 3326 3327 3328 3329
  return ret;
JNI_END


JNI_ENTRY(const char*, jni_GetStringUTFChars(JNIEnv *env, jstring string, jboolean *isCopy))
  JNIWrapper("GetStringUTFChars");
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3330
#ifndef USDT2
D
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3331
  DTRACE_PROBE3(hotspot_jni, GetStringUTFChars__entry, env, string, isCopy);
D
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3332 3333 3334 3335
#else /* USDT2 */
 HOTSPOT_JNI_GETSTRINGUTFCHARS_ENTRY(
                                     env, string, (uintptr_t *) isCopy);
#endif /* USDT2 */
3336
  char* result = NULL;
3337
  oop java_string = JNIHandles::resolve_non_null(string);
3338 3339 3340 3341 3342 3343 3344 3345 3346
  if (java_lang_String::value(java_string) != NULL) {
    size_t length = java_lang_String::utf8_length(java_string);
    /* JNI Specification states return NULL on OOM */
    result = AllocateHeap(length + 1, mtInternal, 0, AllocFailStrategy::RETURN_NULL);
    if (result != NULL) {
      java_lang_String::as_utf8_string(java_string, result, (int) length + 1);
      if (isCopy != NULL) {
        *isCopy = JNI_TRUE;
      }
3347 3348
    }
  }
D
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3349
#ifndef USDT2
D
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3350
  DTRACE_PROBE1(hotspot_jni, GetStringUTFChars__return, result);
D
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3351 3352 3353 3354
#else /* USDT2 */
 HOTSPOT_JNI_GETSTRINGUTFCHARS_RETURN(
                                      result);
#endif /* USDT2 */
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3355 3356 3357 3358 3359 3360
  return result;
JNI_END


JNI_LEAF(void, jni_ReleaseStringUTFChars(JNIEnv *env, jstring str, const char *chars))
  JNIWrapper("ReleaseStringUTFChars");
D
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3361
#ifndef USDT2
D
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3362
  DTRACE_PROBE3(hotspot_jni, ReleaseStringUTFChars__entry, env, str, chars);
D
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3363 3364 3365 3366
#else /* USDT2 */
 HOTSPOT_JNI_RELEASESTRINGUTFCHARS_ENTRY(
                                         env, str, (char *) chars);
#endif /* USDT2 */
D
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3367 3368 3369
  if (chars != NULL) {
    FreeHeap((char*) chars);
  }
D
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3370
#ifndef USDT2
D
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3371
  DTRACE_PROBE(hotspot_jni, ReleaseStringUTFChars__return);
D
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3372 3373 3374 3375
#else /* USDT2 */
HOTSPOT_JNI_RELEASESTRINGUTFCHARS_RETURN(
);
#endif /* USDT2 */
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3376 3377 3378 3379 3380
JNI_END


JNI_QUICK_ENTRY(jsize, jni_GetArrayLength(JNIEnv *env, jarray array))
  JNIWrapper("GetArrayLength");
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#ifndef USDT2
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3382
  DTRACE_PROBE2(hotspot_jni, GetArrayLength__entry, env, array);
D
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#else /* USDT2 */
 HOTSPOT_JNI_GETARRAYLENGTH_ENTRY(
                                  env, array);
#endif /* USDT2 */
D
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3387 3388 3389
  arrayOop a = arrayOop(JNIHandles::resolve_non_null(array));
  assert(a->is_array(), "must be array");
  jsize ret = a->length();
D
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3390
#ifndef USDT2
D
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3391
  DTRACE_PROBE1(hotspot_jni, GetArrayLength__return, ret);
D
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3392 3393 3394 3395
#else /* USDT2 */
 HOTSPOT_JNI_GETARRAYLENGTH_RETURN(
                                   ret);
#endif /* USDT2 */
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3396 3397 3398 3399 3400 3401 3402 3403
  return ret;
JNI_END


//
// Object Array Operations
//

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3404
#ifndef USDT2
D
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3405
DT_RETURN_MARK_DECL(NewObjectArray, jobjectArray);
D
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3406 3407 3408 3409
#else /* USDT2 */
DT_RETURN_MARK_DECL(NewObjectArray, jobjectArray
                    , HOTSPOT_JNI_NEWOBJECTARRAY_RETURN(_ret_ref));
#endif /* USDT2 */
D
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JNI_ENTRY(jobjectArray, jni_NewObjectArray(JNIEnv *env, jsize length, jclass elementClass, jobject initialElement))
  JNIWrapper("NewObjectArray");
D
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3413
#ifndef USDT2
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3414
  DTRACE_PROBE4(hotspot_jni, NewObjectArray__entry, env, length, elementClass, initialElement);
D
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3415 3416 3417 3418
#else /* USDT2 */
 HOTSPOT_JNI_NEWOBJECTARRAY_ENTRY(
                                  env, length, elementClass, initialElement);
#endif /* USDT2 */
D
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3419 3420
  jobjectArray ret = NULL;
  DT_RETURN_MARK(NewObjectArray, jobjectArray, (const jobjectArray&)ret);
3421
  KlassHandle ek(THREAD, java_lang_Class::as_Klass(JNIHandles::resolve_non_null(elementClass)));
H
hseigel 已提交
3422
  Klass* ako = ek()->array_klass(CHECK_NULL);
D
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3423
  KlassHandle ak = KlassHandle(THREAD, ako);
3424 3425
  ObjArrayKlass::cast(ak())->initialize(CHECK_NULL);
  objArrayOop result = ObjArrayKlass::cast(ak())->allocate(length, CHECK_NULL);
D
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3426 3427 3428 3429 3430 3431 3432 3433 3434 3435
  oop initial_value = JNIHandles::resolve(initialElement);
  if (initial_value != NULL) {  // array already initialized with NULL
    for (int index = 0; index < length; index++) {
      result->obj_at_put(index, initial_value);
    }
  }
  ret = (jobjectArray) JNIHandles::make_local(env, result);
  return ret;
JNI_END

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3436
#ifndef USDT2
D
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3437
DT_RETURN_MARK_DECL(GetObjectArrayElement, jobject);
D
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3438 3439 3440 3441
#else /* USDT2 */
DT_RETURN_MARK_DECL(GetObjectArrayElement, jobject
                    , HOTSPOT_JNI_GETOBJECTARRAYELEMENT_RETURN(_ret_ref));
#endif /* USDT2 */
D
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JNI_ENTRY(jobject, jni_GetObjectArrayElement(JNIEnv *env, jobjectArray array, jsize index))
  JNIWrapper("GetObjectArrayElement");
D
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3445
#ifndef USDT2
D
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3446
  DTRACE_PROBE3(hotspot_jni, GetObjectArrayElement__entry, env, array, index);
D
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3447 3448 3449 3450
#else /* USDT2 */
 HOTSPOT_JNI_GETOBJECTARRAYELEMENT_ENTRY(
                                         env, array, index);
#endif /* USDT2 */
D
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3451 3452 3453 3454
  jobject ret = NULL;
  DT_RETURN_MARK(GetObjectArrayElement, jobject, (const jobject&)ret);
  objArrayOop a = objArrayOop(JNIHandles::resolve_non_null(array));
  if (a->is_within_bounds(index)) {
3455
    ret = JNIHandles::make_local(env, a->obj_at(index));
D
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3456 3457 3458 3459 3460 3461 3462 3463
    return ret;
  } else {
    char buf[jintAsStringSize];
    sprintf(buf, "%d", index);
    THROW_MSG_0(vmSymbols::java_lang_ArrayIndexOutOfBoundsException(), buf);
  }
JNI_END

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#ifndef USDT2
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DT_VOID_RETURN_MARK_DECL(SetObjectArrayElement);
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#else /* USDT2 */
DT_VOID_RETURN_MARK_DECL(SetObjectArrayElement
                         , HOTSPOT_JNI_SETOBJECTARRAYELEMENT_RETURN());
#endif /* USDT2 */
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JNI_ENTRY(void, jni_SetObjectArrayElement(JNIEnv *env, jobjectArray array, jsize index, jobject value))
  JNIWrapper("SetObjectArrayElement");
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#ifndef USDT2
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  DTRACE_PROBE4(hotspot_jni, SetObjectArrayElement__entry, env, array, index, value);
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#else /* USDT2 */
 HOTSPOT_JNI_SETOBJECTARRAYELEMENT_ENTRY(
                                         env, array, index, value);
#endif /* USDT2 */
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  DT_VOID_RETURN_MARK(SetObjectArrayElement);

  objArrayOop a = objArrayOop(JNIHandles::resolve_non_null(array));
  oop v = JNIHandles::resolve(value);
  if (a->is_within_bounds(index)) {
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    if (v == NULL || v->is_a(ObjArrayKlass::cast(a->klass())->element_klass())) {
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      a->obj_at_put(index, v);
    } else {
      THROW(vmSymbols::java_lang_ArrayStoreException());
    }
  } else {
    char buf[jintAsStringSize];
    sprintf(buf, "%d", index);
    THROW_MSG(vmSymbols::java_lang_ArrayIndexOutOfBoundsException(), buf);
  }
JNI_END


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#ifndef USDT2
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#define DEFINE_NEWSCALARARRAY(Return,Allocator,Result) \
\
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  DT_RETURN_MARK_DECL(New##Result##Array, Return); \
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\
JNI_ENTRY(Return, \
          jni_New##Result##Array(JNIEnv *env, jsize len)) \
  JNIWrapper("New" XSTR(Result) "Array"); \
  DTRACE_PROBE2(hotspot_jni, New##Result##Array__entry, env, len);\
  Return ret = NULL;\
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  DT_RETURN_MARK(New##Result##Array, Return, (const Return&)ret);\
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\
  oop obj= oopFactory::Allocator(len, CHECK_0); \
  ret = (Return) JNIHandles::make_local(env, obj); \
  return ret;\
JNI_END

DEFINE_NEWSCALARARRAY(jbooleanArray, new_boolArray,   Boolean)
DEFINE_NEWSCALARARRAY(jbyteArray,    new_byteArray,   Byte)
DEFINE_NEWSCALARARRAY(jshortArray,   new_shortArray,  Short)
DEFINE_NEWSCALARARRAY(jcharArray,    new_charArray,   Char)
DEFINE_NEWSCALARARRAY(jintArray,     new_intArray,    Int)
DEFINE_NEWSCALARARRAY(jlongArray,    new_longArray,   Long)
DEFINE_NEWSCALARARRAY(jfloatArray,   new_singleArray, Float)
DEFINE_NEWSCALARARRAY(jdoubleArray,  new_doubleArray, Double)

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#else /* USDT2 */

#define DEFINE_NEWSCALARARRAY(Return,Allocator,Result \
                              ,EntryProbe,ReturnProbe)  \
\
  DT_RETURN_MARK_DECL(New##Result##Array, Return \
                      , ReturnProbe); \
\
JNI_ENTRY(Return, \
          jni_New##Result##Array(JNIEnv *env, jsize len)) \
  JNIWrapper("New" XSTR(Result) "Array"); \
  EntryProbe; \
  Return ret = NULL;\
  DT_RETURN_MARK(New##Result##Array, Return, (const Return&)ret);\
\
  oop obj= oopFactory::Allocator(len, CHECK_0); \
  ret = (Return) JNIHandles::make_local(env, obj); \
  return ret;\
JNI_END

DEFINE_NEWSCALARARRAY(jbooleanArray, new_boolArray,   Boolean,
                      HOTSPOT_JNI_NEWBOOLEANARRAY_ENTRY(env, len),
                      HOTSPOT_JNI_NEWBOOLEANARRAY_RETURN(_ret_ref))
DEFINE_NEWSCALARARRAY(jbyteArray,    new_byteArray,   Byte,
                      HOTSPOT_JNI_NEWBYTEARRAY_ENTRY(env, len),
                      HOTSPOT_JNI_NEWBYTEARRAY_RETURN(_ret_ref))
DEFINE_NEWSCALARARRAY(jshortArray,   new_shortArray,  Short,
                      HOTSPOT_JNI_NEWSHORTARRAY_ENTRY(env, len),
                      HOTSPOT_JNI_NEWSHORTARRAY_RETURN(_ret_ref))
DEFINE_NEWSCALARARRAY(jcharArray,    new_charArray,   Char,
                      HOTSPOT_JNI_NEWCHARARRAY_ENTRY(env, len),
                      HOTSPOT_JNI_NEWCHARARRAY_RETURN(_ret_ref))
DEFINE_NEWSCALARARRAY(jintArray,     new_intArray,    Int,
                      HOTSPOT_JNI_NEWINTARRAY_ENTRY(env, len),
                      HOTSPOT_JNI_NEWINTARRAY_RETURN(_ret_ref))
DEFINE_NEWSCALARARRAY(jlongArray,    new_longArray,   Long,
                      HOTSPOT_JNI_NEWLONGARRAY_ENTRY(env, len),
                      HOTSPOT_JNI_NEWLONGARRAY_RETURN(_ret_ref))
DEFINE_NEWSCALARARRAY(jfloatArray,   new_singleArray, Float,
                      HOTSPOT_JNI_NEWFLOATARRAY_ENTRY(env, len),
                      HOTSPOT_JNI_NEWFLOATARRAY_RETURN(_ret_ref))
DEFINE_NEWSCALARARRAY(jdoubleArray,  new_doubleArray, Double,
                      HOTSPOT_JNI_NEWDOUBLEARRAY_ENTRY(env, len),
                      HOTSPOT_JNI_NEWDOUBLEARRAY_RETURN(_ret_ref))
#endif /* USDT2 */
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// Return an address which will fault if the caller writes to it.

static char* get_bad_address() {
  static char* bad_address = NULL;
  if (bad_address == NULL) {
    size_t size = os::vm_allocation_granularity();
    bad_address = os::reserve_memory(size);
    if (bad_address != NULL) {
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      os::protect_memory(bad_address, size, os::MEM_PROT_READ,
                         /*is_committed*/false);
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      MemTracker::record_virtual_memory_type((void*)bad_address, mtInternal);
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    }
  }
  return bad_address;
}


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#ifndef USDT2
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#define DEFINE_GETSCALARARRAYELEMENTS(ElementTag,ElementType,Result, Tag) \
\
JNI_QUICK_ENTRY(ElementType*, \
          jni_Get##Result##ArrayElements(JNIEnv *env, ElementType##Array array, jboolean *isCopy)) \
  JNIWrapper("Get" XSTR(Result) "ArrayElements"); \
  DTRACE_PROBE3(hotspot_jni, Get##Result##ArrayElements__entry, env, array, isCopy);\
  /* allocate an chunk of memory in c land */ \
  typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \
  ElementType* result; \
  int len = a->length(); \
  if (len == 0) { \
    /* Empty array: legal but useless, can't return NULL. \
     * Return a pointer to something useless. \
     * Avoid asserts in typeArrayOop. */ \
    result = (ElementType*)get_bad_address(); \
  } else { \
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    /* JNI Specification states return NULL on OOM */                    \
    result = NEW_C_HEAP_ARRAY_RETURN_NULL(ElementType, len, mtInternal); \
    if (result != NULL) {                                                \
      /* copy the array to the c chunk */                                \
      memcpy(result, a->Tag##_at_addr(0), sizeof(ElementType)*len);      \
      if (isCopy) {                                                      \
        *isCopy = JNI_TRUE;                                              \
      }                                                                  \
    }                                                                    \
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  } \
  DTRACE_PROBE1(hotspot_jni, Get##Result##ArrayElements__return, result);\
  return result; \
JNI_END

DEFINE_GETSCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool)
DEFINE_GETSCALARARRAYELEMENTS(T_BYTE,    jbyte,    Byte,    byte)
DEFINE_GETSCALARARRAYELEMENTS(T_SHORT,   jshort,   Short,   short)
DEFINE_GETSCALARARRAYELEMENTS(T_CHAR,    jchar,    Char,    char)
DEFINE_GETSCALARARRAYELEMENTS(T_INT,     jint,     Int,     int)
DEFINE_GETSCALARARRAYELEMENTS(T_LONG,    jlong,    Long,    long)
DEFINE_GETSCALARARRAYELEMENTS(T_FLOAT,   jfloat,   Float,   float)
DEFINE_GETSCALARARRAYELEMENTS(T_DOUBLE,  jdouble,  Double,  double)

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#else /* USDT2 */

#define DEFINE_GETSCALARARRAYELEMENTS(ElementTag,ElementType,Result, Tag \
                                      , EntryProbe, ReturnProbe) \
\
JNI_QUICK_ENTRY(ElementType*, \
          jni_Get##Result##ArrayElements(JNIEnv *env, ElementType##Array array, jboolean *isCopy)) \
  JNIWrapper("Get" XSTR(Result) "ArrayElements"); \
  EntryProbe; \
  /* allocate an chunk of memory in c land */ \
  typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \
  ElementType* result; \
  int len = a->length(); \
  if (len == 0) { \
    /* Empty array: legal but useless, can't return NULL. \
     * Return a pointer to something useless. \
     * Avoid asserts in typeArrayOop. */ \
    result = (ElementType*)get_bad_address(); \
  } else { \
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    /* JNI Specification states return NULL on OOM */                    \
    result = NEW_C_HEAP_ARRAY_RETURN_NULL(ElementType, len, mtInternal); \
    if (result != NULL) {                                                \
      /* copy the array to the c chunk */                                \
      memcpy(result, a->Tag##_at_addr(0), sizeof(ElementType)*len);      \
      if (isCopy) {                                                      \
        *isCopy = JNI_TRUE;                                              \
      }                                                                  \
    }                                                                    \
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  } \
  ReturnProbe; \
  return result; \
JNI_END
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DEFINE_GETSCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool
                              , HOTSPOT_JNI_GETBOOLEANARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy),
                              HOTSPOT_JNI_GETBOOLEANARRAYELEMENTS_RETURN((uintptr_t*)result))
DEFINE_GETSCALARARRAYELEMENTS(T_BYTE,    jbyte,    Byte,    byte
                              , HOTSPOT_JNI_GETBYTEARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy),
                              HOTSPOT_JNI_GETBYTEARRAYELEMENTS_RETURN((char*)result))
DEFINE_GETSCALARARRAYELEMENTS(T_SHORT,   jshort,   Short,   short
                              , HOTSPOT_JNI_GETSHORTARRAYELEMENTS_ENTRY(env, (uint16_t*) array, (uintptr_t *) isCopy),
                              HOTSPOT_JNI_GETSHORTARRAYELEMENTS_RETURN((uint16_t*)result))
DEFINE_GETSCALARARRAYELEMENTS(T_CHAR,    jchar,    Char,    char
                              , HOTSPOT_JNI_GETCHARARRAYELEMENTS_ENTRY(env, (uint16_t*) array, (uintptr_t *) isCopy),
                              HOTSPOT_JNI_GETCHARARRAYELEMENTS_RETURN(result))
DEFINE_GETSCALARARRAYELEMENTS(T_INT,     jint,     Int,     int
                              , HOTSPOT_JNI_GETINTARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy),
                              HOTSPOT_JNI_GETINTARRAYELEMENTS_RETURN((uint32_t*)result))
DEFINE_GETSCALARARRAYELEMENTS(T_LONG,    jlong,    Long,    long
                              , HOTSPOT_JNI_GETLONGARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy),
                              HOTSPOT_JNI_GETLONGARRAYELEMENTS_RETURN(((uintptr_t*)result)))
// Float and double probes don't return value because dtrace doesn't currently support it
DEFINE_GETSCALARARRAYELEMENTS(T_FLOAT,   jfloat,   Float,   float
                              , HOTSPOT_JNI_GETFLOATARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy),
                              HOTSPOT_JNI_GETFLOATARRAYELEMENTS_RETURN(result))
DEFINE_GETSCALARARRAYELEMENTS(T_DOUBLE,  jdouble,  Double,  double
                              , HOTSPOT_JNI_GETDOUBLEARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) isCopy),
                              HOTSPOT_JNI_GETDOUBLEARRAYELEMENTS_RETURN(result))
#endif /* USDT2 */

#ifndef USDT2
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#define DEFINE_RELEASESCALARARRAYELEMENTS(ElementTag,ElementType,Result,Tag) \
\
JNI_QUICK_ENTRY(void, \
          jni_Release##Result##ArrayElements(JNIEnv *env, ElementType##Array array, \
                                             ElementType *buf, jint mode)) \
  JNIWrapper("Release" XSTR(Result) "ArrayElements"); \
  DTRACE_PROBE4(hotspot_jni, Release##Result##ArrayElements__entry, env, array, buf, mode);\
  typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \
  int len = a->length(); \
  if (len != 0) {   /* Empty array:  nothing to free or copy. */  \
    if ((mode == 0) || (mode == JNI_COMMIT)) { \
      memcpy(a->Tag##_at_addr(0), buf, sizeof(ElementType)*len); \
    } \
    if ((mode == 0) || (mode == JNI_ABORT)) { \
      FreeHeap(buf); \
    } \
  } \
  DTRACE_PROBE(hotspot_jni, Release##Result##ArrayElements__return);\
JNI_END

DEFINE_RELEASESCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool)
DEFINE_RELEASESCALARARRAYELEMENTS(T_BYTE,    jbyte,    Byte,    byte)
DEFINE_RELEASESCALARARRAYELEMENTS(T_SHORT,   jshort,   Short,   short)
DEFINE_RELEASESCALARARRAYELEMENTS(T_CHAR,    jchar,    Char,    char)
DEFINE_RELEASESCALARARRAYELEMENTS(T_INT,     jint,     Int,     int)
DEFINE_RELEASESCALARARRAYELEMENTS(T_LONG,    jlong,    Long,    long)
DEFINE_RELEASESCALARARRAYELEMENTS(T_FLOAT,   jfloat,   Float,   float)
DEFINE_RELEASESCALARARRAYELEMENTS(T_DOUBLE,  jdouble,  Double,  double)

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#else /* USDT2 */

#define DEFINE_RELEASESCALARARRAYELEMENTS(ElementTag,ElementType,Result,Tag \
                                          , EntryProbe, ReturnProbe);\
\
JNI_QUICK_ENTRY(void, \
          jni_Release##Result##ArrayElements(JNIEnv *env, ElementType##Array array, \
                                             ElementType *buf, jint mode)) \
  JNIWrapper("Release" XSTR(Result) "ArrayElements"); \
  EntryProbe; \
  typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \
  int len = a->length(); \
  if (len != 0) {   /* Empty array:  nothing to free or copy. */  \
    if ((mode == 0) || (mode == JNI_COMMIT)) { \
      memcpy(a->Tag##_at_addr(0), buf, sizeof(ElementType)*len); \
    } \
    if ((mode == 0) || (mode == JNI_ABORT)) { \
      FreeHeap(buf); \
    } \
  } \
  ReturnProbe; \
JNI_END

DEFINE_RELEASESCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool
                                  , HOTSPOT_JNI_RELEASEBOOLEANARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) buf, mode),
                                  HOTSPOT_JNI_RELEASEBOOLEANARRAYELEMENTS_RETURN())
DEFINE_RELEASESCALARARRAYELEMENTS(T_BYTE,    jbyte,    Byte,    byte
                                  , HOTSPOT_JNI_RELEASEBYTEARRAYELEMENTS_ENTRY(env, array, (char *) buf, mode),
                                  HOTSPOT_JNI_RELEASEBYTEARRAYELEMENTS_RETURN())
DEFINE_RELEASESCALARARRAYELEMENTS(T_SHORT,   jshort,   Short,   short
                                  ,  HOTSPOT_JNI_RELEASESHORTARRAYELEMENTS_ENTRY(env, array, (uint16_t *) buf, mode),
                                  HOTSPOT_JNI_RELEASESHORTARRAYELEMENTS_RETURN())
DEFINE_RELEASESCALARARRAYELEMENTS(T_CHAR,    jchar,    Char,    char
                                  ,  HOTSPOT_JNI_RELEASECHARARRAYELEMENTS_ENTRY(env, array, (uint16_t *) buf, mode),
                                  HOTSPOT_JNI_RELEASECHARARRAYELEMENTS_RETURN())
DEFINE_RELEASESCALARARRAYELEMENTS(T_INT,     jint,     Int,     int
                                  , HOTSPOT_JNI_RELEASEINTARRAYELEMENTS_ENTRY(env, array, (uint32_t *) buf, mode),
                                  HOTSPOT_JNI_RELEASEINTARRAYELEMENTS_RETURN())
DEFINE_RELEASESCALARARRAYELEMENTS(T_LONG,    jlong,    Long,    long
                                  , HOTSPOT_JNI_RELEASELONGARRAYELEMENTS_ENTRY(env, array, (uintptr_t *) buf, mode),
                                  HOTSPOT_JNI_RELEASELONGARRAYELEMENTS_RETURN())
DEFINE_RELEASESCALARARRAYELEMENTS(T_FLOAT,   jfloat,   Float,   float
                                  , HOTSPOT_JNI_RELEASEFLOATARRAYELEMENTS_ENTRY(env, array, (float *) buf, mode),
                                  HOTSPOT_JNI_RELEASEFLOATARRAYELEMENTS_RETURN())
DEFINE_RELEASESCALARARRAYELEMENTS(T_DOUBLE,  jdouble,  Double,  double
                                  , HOTSPOT_JNI_RELEASEDOUBLEARRAYELEMENTS_ENTRY(env, array, (double *) buf, mode),
                                  HOTSPOT_JNI_RELEASEDOUBLEARRAYELEMENTS_RETURN())
#endif /* USDT2 */

#ifndef USDT2
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#define DEFINE_GETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag) \
  DT_VOID_RETURN_MARK_DECL(Get##Result##ArrayRegion);\
\
JNI_ENTRY(void, \
jni_Get##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \
             jsize len, ElementType *buf)) \
  JNIWrapper("Get" XSTR(Result) "ArrayRegion"); \
  DTRACE_PROBE5(hotspot_jni, Get##Result##ArrayRegion__entry, env, array, start, len, buf);\
  DT_VOID_RETURN_MARK(Get##Result##ArrayRegion); \
  typeArrayOop src = typeArrayOop(JNIHandles::resolve_non_null(array)); \
  if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)src->length())) { \
    THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \
  } else { \
    if (len > 0) { \
3780
      int sc = TypeArrayKlass::cast(src->klass())->log2_element_size(); \
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      memcpy((u_char*) buf, \
             (u_char*) src->Tag##_at_addr(start), \
             len << sc);                          \
    } \
  } \
JNI_END

DEFINE_GETSCALARARRAYREGION(T_BOOLEAN, jboolean,Boolean, bool)
DEFINE_GETSCALARARRAYREGION(T_BYTE,    jbyte,   Byte,    byte)
DEFINE_GETSCALARARRAYREGION(T_SHORT,   jshort,  Short,   short)
DEFINE_GETSCALARARRAYREGION(T_CHAR,    jchar,   Char,    char)
DEFINE_GETSCALARARRAYREGION(T_INT,     jint,    Int,     int)
DEFINE_GETSCALARARRAYREGION(T_LONG,    jlong,   Long,    long)
DEFINE_GETSCALARARRAYREGION(T_FLOAT,   jfloat,  Float,   float)
DEFINE_GETSCALARARRAYREGION(T_DOUBLE,  jdouble, Double,  double)

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#else /* USDT2 */

#define DEFINE_GETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag \
                                    , EntryProbe, ReturnProbe); \
  DT_VOID_RETURN_MARK_DECL(Get##Result##ArrayRegion \
                           , ReturnProbe); \
\
JNI_ENTRY(void, \
jni_Get##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \
             jsize len, ElementType *buf)) \
  JNIWrapper("Get" XSTR(Result) "ArrayRegion"); \
  EntryProbe; \
  DT_VOID_RETURN_MARK(Get##Result##ArrayRegion); \
  typeArrayOop src = typeArrayOop(JNIHandles::resolve_non_null(array)); \
  if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)src->length())) { \
    THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \
  } else { \
    if (len > 0) { \
3815
      int sc = TypeArrayKlass::cast(src->klass())->log2_element_size(); \
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      memcpy((u_char*) buf, \
             (u_char*) src->Tag##_at_addr(start), \
             len << sc);                          \
    } \
  } \
JNI_END

DEFINE_GETSCALARARRAYREGION(T_BOOLEAN, jboolean,Boolean, bool
                            , HOTSPOT_JNI_GETBOOLEANARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *) buf),
                            HOTSPOT_JNI_GETBOOLEANARRAYREGION_RETURN());
DEFINE_GETSCALARARRAYREGION(T_BYTE,    jbyte,   Byte,    byte
                            ,  HOTSPOT_JNI_GETBYTEARRAYREGION_ENTRY(env, array, start, len, (char *) buf),
                            HOTSPOT_JNI_GETBYTEARRAYREGION_RETURN());
DEFINE_GETSCALARARRAYREGION(T_SHORT,   jshort,  Short,   short
                            , HOTSPOT_JNI_GETSHORTARRAYREGION_ENTRY(env, array, start, len, (uint16_t *) buf),
                            HOTSPOT_JNI_GETSHORTARRAYREGION_RETURN());
DEFINE_GETSCALARARRAYREGION(T_CHAR,    jchar,   Char,    char
                            ,  HOTSPOT_JNI_GETCHARARRAYREGION_ENTRY(env, array, start, len, (uint16_t*) buf),
                            HOTSPOT_JNI_GETCHARARRAYREGION_RETURN());
DEFINE_GETSCALARARRAYREGION(T_INT,     jint,    Int,     int
                            , HOTSPOT_JNI_GETINTARRAYREGION_ENTRY(env, array, start, len, (uint32_t*) buf),
                            HOTSPOT_JNI_GETINTARRAYREGION_RETURN());
DEFINE_GETSCALARARRAYREGION(T_LONG,    jlong,   Long,    long
                            ,  HOTSPOT_JNI_GETLONGARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *) buf),
                            HOTSPOT_JNI_GETLONGARRAYREGION_RETURN());
DEFINE_GETSCALARARRAYREGION(T_FLOAT,   jfloat,  Float,   float
                            , HOTSPOT_JNI_GETFLOATARRAYREGION_ENTRY(env, array, start, len, (float *) buf),
                            HOTSPOT_JNI_GETFLOATARRAYREGION_RETURN());
DEFINE_GETSCALARARRAYREGION(T_DOUBLE,  jdouble, Double,  double
                            , HOTSPOT_JNI_GETDOUBLEARRAYREGION_ENTRY(env, array, start, len, (double *) buf),
                            HOTSPOT_JNI_GETDOUBLEARRAYREGION_RETURN());
#endif /* USDT2 */

#ifndef USDT2
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#define DEFINE_SETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag) \
  DT_VOID_RETURN_MARK_DECL(Set##Result##ArrayRegion);\
\
JNI_ENTRY(void, \
jni_Set##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \
             jsize len, const ElementType *buf)) \
  JNIWrapper("Set" XSTR(Result) "ArrayRegion"); \
  DTRACE_PROBE5(hotspot_jni, Set##Result##ArrayRegion__entry, env, array, start, len, buf);\
  DT_VOID_RETURN_MARK(Set##Result##ArrayRegion); \
  typeArrayOop dst = typeArrayOop(JNIHandles::resolve_non_null(array)); \
  if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)dst->length())) { \
    THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \
  } else { \
    if (len > 0) { \
3864
      int sc = TypeArrayKlass::cast(dst->klass())->log2_element_size(); \
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      memcpy((u_char*) dst->Tag##_at_addr(start), \
             (u_char*) buf, \
             len << sc);    \
    } \
  } \
JNI_END

DEFINE_SETSCALARARRAYREGION(T_BOOLEAN, jboolean, Boolean, bool)
DEFINE_SETSCALARARRAYREGION(T_BYTE,    jbyte,    Byte,    byte)
DEFINE_SETSCALARARRAYREGION(T_SHORT,   jshort,   Short,   short)
DEFINE_SETSCALARARRAYREGION(T_CHAR,    jchar,    Char,    char)
DEFINE_SETSCALARARRAYREGION(T_INT,     jint,     Int,     int)
DEFINE_SETSCALARARRAYREGION(T_LONG,    jlong,    Long,    long)
DEFINE_SETSCALARARRAYREGION(T_FLOAT,   jfloat,   Float,   float)
DEFINE_SETSCALARARRAYREGION(T_DOUBLE,  jdouble,  Double,  double)

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3881 3882 3883 3884 3885 3886 3887 3888 3889 3890 3891 3892 3893 3894 3895 3896 3897 3898
#else /* USDT2 */

#define DEFINE_SETSCALARARRAYREGION(ElementTag,ElementType,Result, Tag \
                                    , EntryProbe, ReturnProbe); \
  DT_VOID_RETURN_MARK_DECL(Set##Result##ArrayRegion \
                           ,ReturnProbe);           \
\
JNI_ENTRY(void, \
jni_Set##Result##ArrayRegion(JNIEnv *env, ElementType##Array array, jsize start, \
             jsize len, const ElementType *buf)) \
  JNIWrapper("Set" XSTR(Result) "ArrayRegion"); \
  EntryProbe; \
  DT_VOID_RETURN_MARK(Set##Result##ArrayRegion); \
  typeArrayOop dst = typeArrayOop(JNIHandles::resolve_non_null(array)); \
  if (start < 0 || len < 0 || ((unsigned int)start + (unsigned int)len > (unsigned int)dst->length())) { \
    THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); \
  } else { \
    if (len > 0) { \
3899
      int sc = TypeArrayKlass::cast(dst->klass())->log2_element_size(); \
D
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      memcpy((u_char*) dst->Tag##_at_addr(start), \
             (u_char*) buf, \
             len << sc);    \
    } \
  } \
JNI_END

DEFINE_SETSCALARARRAYREGION(T_BOOLEAN, jboolean, Boolean, bool
                            , HOTSPOT_JNI_SETBOOLEANARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *)buf),
                            HOTSPOT_JNI_SETBOOLEANARRAYREGION_RETURN())
DEFINE_SETSCALARARRAYREGION(T_BYTE,    jbyte,    Byte,    byte
                            , HOTSPOT_JNI_SETBYTEARRAYREGION_ENTRY(env, array, start, len, (char *) buf),
                            HOTSPOT_JNI_SETBYTEARRAYREGION_RETURN())
DEFINE_SETSCALARARRAYREGION(T_SHORT,   jshort,   Short,   short
                            , HOTSPOT_JNI_SETSHORTARRAYREGION_ENTRY(env, array, start, len, (uint16_t *) buf),
                            HOTSPOT_JNI_SETSHORTARRAYREGION_RETURN())
DEFINE_SETSCALARARRAYREGION(T_CHAR,    jchar,    Char,    char
                            , HOTSPOT_JNI_SETCHARARRAYREGION_ENTRY(env, array, start, len, (uint16_t *) buf),
                            HOTSPOT_JNI_SETCHARARRAYREGION_RETURN())
DEFINE_SETSCALARARRAYREGION(T_INT,     jint,     Int,     int
                            , HOTSPOT_JNI_SETINTARRAYREGION_ENTRY(env, array, start, len, (uint32_t *) buf),
                            HOTSPOT_JNI_SETINTARRAYREGION_RETURN())
DEFINE_SETSCALARARRAYREGION(T_LONG,    jlong,    Long,    long
                            , HOTSPOT_JNI_SETLONGARRAYREGION_ENTRY(env, array, start, len, (uintptr_t *) buf),
                            HOTSPOT_JNI_SETLONGARRAYREGION_RETURN())
DEFINE_SETSCALARARRAYREGION(T_FLOAT,   jfloat,   Float,   float
                            , HOTSPOT_JNI_SETFLOATARRAYREGION_ENTRY(env, array, start, len, (float *) buf),
                            HOTSPOT_JNI_SETFLOATARRAYREGION_RETURN())
DEFINE_SETSCALARARRAYREGION(T_DOUBLE,  jdouble,  Double,  double
                            , HOTSPOT_JNI_SETDOUBLEARRAYREGION_ENTRY(env, array, start, len, (double *) buf),
                            HOTSPOT_JNI_SETDOUBLEARRAYREGION_RETURN())
#endif /* USDT2 */

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3933 3934 3935 3936 3937 3938 3939 3940 3941

//
// Interception of natives
//

// The RegisterNatives call being attempted tried to register with a method that
// is not native.  Ask JVM TI what prefixes have been specified.  Then check
// to see if the native method is now wrapped with the prefixes.  See the
// SetNativeMethodPrefix(es) functions in the JVM TI Spec for details.
3942
static Method* find_prefixed_native(KlassHandle k,
3943
                                      Symbol* name, Symbol* signature, TRAPS) {
3944
#if INCLUDE_JVMTI
D
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3945
  ResourceMark rm(THREAD);
3946
  Method* method;
D
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  int name_len = name->utf8_length();
  char* name_str = name->as_utf8();
  int prefix_count;
  char** prefixes = JvmtiExport::get_all_native_method_prefixes(&prefix_count);
  for (int i = 0; i < prefix_count; i++) {
    char* prefix = prefixes[i];
    int prefix_len = (int)strlen(prefix);

    // try adding this prefix to the method name and see if it matches another method name
    int trial_len = name_len + prefix_len;
    char* trial_name_str = NEW_RESOURCE_ARRAY(char, trial_len + 1);
    strcpy(trial_name_str, prefix);
    strcat(trial_name_str, name_str);
3960 3961
    TempNewSymbol trial_name = SymbolTable::probe(trial_name_str, trial_len);
    if (trial_name == NULL) {
D
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3962 3963
      continue; // no such symbol, so this prefix wasn't used, try the next prefix
    }
H
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3964
    method = k()->lookup_method(trial_name, signature);
D
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    if (method == NULL) {
      continue; // signature doesn't match, try the next prefix
    }
    if (method->is_native()) {
      method->set_is_prefixed_native();
      return method; // wahoo, we found a prefixed version of the method, return it
    }
    // found as non-native, so prefix is good, add it, probably just need more prefixes
    name_len = trial_len;
    name_str = trial_name_str;
  }
3976
#endif // INCLUDE_JVMTI
D
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3977 3978 3979
  return NULL; // not found
}

3980
static bool register_native(KlassHandle k, Symbol* name, Symbol* signature, address entry, TRAPS) {
H
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3981
  Method* method = k()->lookup_method(name, signature);
D
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3982 3983 3984 3985
  if (method == NULL) {
    ResourceMark rm;
    stringStream st;
    st.print("Method %s name or signature does not match",
H
hseigel 已提交
3986
             Method::name_and_sig_as_C_string(k(), name, signature));
D
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    THROW_MSG_(vmSymbols::java_lang_NoSuchMethodError(), st.as_string(), false);
  }
  if (!method->is_native()) {
    // trying to register to a non-native method, see if a JVM TI agent has added prefix(es)
    method = find_prefixed_native(k, name, signature, THREAD);
    if (method == NULL) {
      ResourceMark rm;
      stringStream st;
      st.print("Method %s is not declared as native",
H
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3996
               Method::name_and_sig_as_C_string(k(), name, signature));
D
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      THROW_MSG_(vmSymbols::java_lang_NoSuchMethodError(), st.as_string(), false);
    }
  }

  if (entry != NULL) {
    method->set_native_function(entry,
4003
      Method::native_bind_event_is_interesting);
D
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4004 4005 4006 4007 4008 4009
  } else {
    method->clear_native_function();
  }
  if (PrintJNIResolving) {
    ResourceMark rm(THREAD);
    tty->print_cr("[Registering JNI native method %s.%s]",
4010
      method->method_holder()->external_name(),
D
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4011 4012 4013 4014 4015
      method->name()->as_C_string());
  }
  return true;
}

D
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4016
#ifndef USDT2
D
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4017
DT_RETURN_MARK_DECL(RegisterNatives, jint);
D
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4018 4019 4020 4021
#else /* USDT2 */
DT_RETURN_MARK_DECL(RegisterNatives, jint
                    , HOTSPOT_JNI_REGISTERNATIVES_RETURN(_ret_ref));
#endif /* USDT2 */
D
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4022 4023 4024 4025 4026

JNI_ENTRY(jint, jni_RegisterNatives(JNIEnv *env, jclass clazz,
                                    const JNINativeMethod *methods,
                                    jint nMethods))
  JNIWrapper("RegisterNatives");
D
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4027
#ifndef USDT2
D
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4028
  DTRACE_PROBE4(hotspot_jni, RegisterNatives__entry, env, clazz, methods, nMethods);
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4029 4030 4031 4032
#else /* USDT2 */
  HOTSPOT_JNI_REGISTERNATIVES_ENTRY(
                                    env, clazz, (void *) methods, nMethods);
#endif /* USDT2 */
D
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4033 4034 4035
  jint ret = 0;
  DT_RETURN_MARK(RegisterNatives, jint, (const jint&)ret);

4036
  KlassHandle h_k(thread, java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz)));
D
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4037 4038 4039 4040 4041 4042 4043 4044 4045

  for (int index = 0; index < nMethods; index++) {
    const char* meth_name = methods[index].name;
    const char* meth_sig = methods[index].signature;
    int meth_name_len = (int)strlen(meth_name);

    // The class should have been loaded (we have an instance of the class
    // passed in) so the method and signature should already be in the symbol
    // table.  If they're not there, the method doesn't exist.
4046 4047
    TempNewSymbol  name = SymbolTable::probe(meth_name, meth_name_len);
    TempNewSymbol  signature = SymbolTable::probe(meth_sig, (int)strlen(meth_sig));
D
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4048

4049
    if (name == NULL || signature == NULL) {
D
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4050 4051
      ResourceMark rm;
      stringStream st;
H
hseigel 已提交
4052
      st.print("Method %s.%s%s not found", h_k()->external_name(), meth_name, meth_sig);
D
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4053 4054 4055 4056 4057 4058 4059 4060 4061 4062 4063 4064 4065 4066 4067 4068 4069
      // Must return negative value on failure
      THROW_MSG_(vmSymbols::java_lang_NoSuchMethodError(), st.as_string(), -1);
    }

    bool res = register_native(h_k, name, signature,
                               (address) methods[index].fnPtr, THREAD);
    if (!res) {
      ret = -1;
      break;
    }
  }
  return ret;
JNI_END


JNI_ENTRY(jint, jni_UnregisterNatives(JNIEnv *env, jclass clazz))
  JNIWrapper("UnregisterNatives");
D
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4070
#ifndef USDT2
D
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4071
  DTRACE_PROBE2(hotspot_jni, UnregisterNatives__entry, env, clazz);
D
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4072 4073 4074 4075
#else /* USDT2 */
 HOTSPOT_JNI_UNREGISTERNATIVES_ENTRY(
                                     env, clazz);
#endif /* USDT2 */
4076
  Klass* k   = java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz));
D
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4077
  //%note jni_2
H
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4078
  if (k->oop_is_instance()) {
4079 4080
    for (int index = 0; index < InstanceKlass::cast(k)->methods()->length(); index++) {
      Method* m = InstanceKlass::cast(k)->methods()->at(index);
D
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4081 4082 4083 4084 4085 4086
      if (m->is_native()) {
        m->clear_native_function();
        m->set_signature_handler(NULL);
      }
    }
  }
D
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4087
#ifndef USDT2
D
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4088
  DTRACE_PROBE1(hotspot_jni, UnregisterNatives__return, 0);
D
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4089 4090 4091 4092
#else /* USDT2 */
 HOTSPOT_JNI_UNREGISTERNATIVES_RETURN(
                                      0);
#endif /* USDT2 */
D
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4093 4094 4095 4096 4097 4098 4099
  return 0;
JNI_END

//
// Monitor functions
//

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4100
#ifndef USDT2
D
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4101
DT_RETURN_MARK_DECL(MonitorEnter, jint);
D
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4102 4103 4104 4105
#else /* USDT2 */
DT_RETURN_MARK_DECL(MonitorEnter, jint
                    , HOTSPOT_JNI_MONITORENTER_RETURN(_ret_ref));
#endif /* USDT2 */
D
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4106 4107

JNI_ENTRY(jint, jni_MonitorEnter(JNIEnv *env, jobject jobj))
D
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4108
#ifndef USDT2
D
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4109
  DTRACE_PROBE2(hotspot_jni, MonitorEnter__entry, env, jobj);
D
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4110 4111 4112 4113
#else /* USDT2 */
 HOTSPOT_JNI_MONITORENTER_ENTRY(
                                env, jobj);
#endif /* USDT2 */
D
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4114 4115 4116 4117 4118 4119 4120 4121 4122 4123 4124 4125 4126 4127
  jint ret = JNI_ERR;
  DT_RETURN_MARK(MonitorEnter, jint, (const jint&)ret);

  // If the object is null, we can't do anything with it
  if (jobj == NULL) {
    THROW_(vmSymbols::java_lang_NullPointerException(), JNI_ERR);
  }

  Handle obj(thread, JNIHandles::resolve_non_null(jobj));
  ObjectSynchronizer::jni_enter(obj, CHECK_(JNI_ERR));
  ret = JNI_OK;
  return ret;
JNI_END

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4128
#ifndef USDT2
D
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4129
DT_RETURN_MARK_DECL(MonitorExit, jint);
D
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4130 4131 4132 4133
#else /* USDT2 */
DT_RETURN_MARK_DECL(MonitorExit, jint
                    , HOTSPOT_JNI_MONITOREXIT_RETURN(_ret_ref));
#endif /* USDT2 */
D
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4134 4135

JNI_ENTRY(jint, jni_MonitorExit(JNIEnv *env, jobject jobj))
D
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4136
#ifndef USDT2
D
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4137
  DTRACE_PROBE2(hotspot_jni, MonitorExit__entry, env, jobj);
D
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4138 4139 4140 4141
#else /* USDT2 */
 HOTSPOT_JNI_MONITOREXIT_ENTRY(
                               env, jobj);
#endif /* USDT2 */
D
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4142 4143 4144 4145 4146 4147 4148 4149 4150 4151 4152 4153 4154 4155 4156 4157 4158 4159 4160
  jint ret = JNI_ERR;
  DT_RETURN_MARK(MonitorExit, jint, (const jint&)ret);

  // Don't do anything with a null object
  if (jobj == NULL) {
    THROW_(vmSymbols::java_lang_NullPointerException(), JNI_ERR);
  }

  Handle obj(THREAD, JNIHandles::resolve_non_null(jobj));
  ObjectSynchronizer::jni_exit(obj(), CHECK_(JNI_ERR));

  ret = JNI_OK;
  return ret;
JNI_END

//
// Extensions
//

D
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4161
#ifndef USDT2
D
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4162
DT_VOID_RETURN_MARK_DECL(GetStringRegion);
D
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4163 4164 4165 4166
#else /* USDT2 */
DT_VOID_RETURN_MARK_DECL(GetStringRegion
                         , HOTSPOT_JNI_GETSTRINGREGION_RETURN());
#endif /* USDT2 */
D
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4167 4168 4169

JNI_ENTRY(void, jni_GetStringRegion(JNIEnv *env, jstring string, jsize start, jsize len, jchar *buf))
  JNIWrapper("GetStringRegion");
D
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4170
#ifndef USDT2
D
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4171
  DTRACE_PROBE5(hotspot_jni, GetStringRegion__entry, env, string, start, len, buf);
D
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4172 4173 4174 4175
#else /* USDT2 */
 HOTSPOT_JNI_GETSTRINGREGION_ENTRY(
                                   env, string, start, len, buf);
#endif /* USDT2 */
D
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4176 4177 4178 4179 4180 4181 4182 4183 4184 4185 4186 4187 4188 4189
  DT_VOID_RETURN_MARK(GetStringRegion);
  oop s = JNIHandles::resolve_non_null(string);
  int s_len = java_lang_String::length(s);
  if (start < 0 || len < 0 || start + len > s_len) {
    THROW(vmSymbols::java_lang_StringIndexOutOfBoundsException());
  } else {
    if (len > 0) {
      int s_offset = java_lang_String::offset(s);
      typeArrayOop s_value = java_lang_String::value(s);
      memcpy(buf, s_value->char_at_addr(s_offset+start), sizeof(jchar)*len);
    }
  }
JNI_END

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4190
#ifndef USDT2
D
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4191
DT_VOID_RETURN_MARK_DECL(GetStringUTFRegion);
D
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4192 4193 4194 4195
#else /* USDT2 */
DT_VOID_RETURN_MARK_DECL(GetStringUTFRegion
                         , HOTSPOT_JNI_GETSTRINGUTFREGION_RETURN());
#endif /* USDT2 */
D
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4196 4197 4198

JNI_ENTRY(void, jni_GetStringUTFRegion(JNIEnv *env, jstring string, jsize start, jsize len, char *buf))
  JNIWrapper("GetStringUTFRegion");
D
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4199
#ifndef USDT2
D
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4200
  DTRACE_PROBE5(hotspot_jni, GetStringUTFRegion__entry, env, string, start, len, buf);
D
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4201 4202 4203 4204
#else /* USDT2 */
 HOTSPOT_JNI_GETSTRINGUTFREGION_ENTRY(
                                      env, string, start, len, buf);
#endif /* USDT2 */
D
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4205 4206 4207 4208 4209 4210 4211 4212 4213 4214 4215 4216 4217 4218 4219 4220 4221 4222 4223 4224 4225 4226 4227 4228 4229
  DT_VOID_RETURN_MARK(GetStringUTFRegion);
  oop s = JNIHandles::resolve_non_null(string);
  int s_len = java_lang_String::length(s);
  if (start < 0 || len < 0 || start + len > s_len) {
    THROW(vmSymbols::java_lang_StringIndexOutOfBoundsException());
  } else {
    //%note jni_7
    if (len > 0) {
      ResourceMark rm(THREAD);
      char *utf_region = java_lang_String::as_utf8_string(s, start, len);
      int utf_len = (int)strlen(utf_region);
      memcpy(buf, utf_region, utf_len);
      buf[utf_len] = 0;
    } else {
      // JDK null-terminates the buffer even in len is zero
      if (buf != NULL) {
        buf[0] = 0;
      }
    }
  }
JNI_END


JNI_ENTRY(void*, jni_GetPrimitiveArrayCritical(JNIEnv *env, jarray array, jboolean *isCopy))
  JNIWrapper("GetPrimitiveArrayCritical");
D
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4230
#ifndef USDT2
D
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4231
  DTRACE_PROBE3(hotspot_jni, GetPrimitiveArrayCritical__entry, env, array, isCopy);
D
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4232 4233 4234 4235
#else /* USDT2 */
 HOTSPOT_JNI_GETPRIMITIVEARRAYCRITICAL_ENTRY(
                                             env, array, (uintptr_t *) isCopy);
#endif /* USDT2 */
D
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4236 4237 4238 4239 4240 4241 4242 4243 4244 4245
  GC_locker::lock_critical(thread);
  if (isCopy != NULL) {
    *isCopy = JNI_FALSE;
  }
  oop a = JNIHandles::resolve_non_null(array);
  assert(a->is_array(), "just checking");
  BasicType type;
  if (a->is_objArray()) {
    type = T_OBJECT;
  } else {
4246
    type = TypeArrayKlass::cast(a->klass())->element_type();
D
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4247 4248
  }
  void* ret = arrayOop(a)->base(type);
D
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4249
#ifndef USDT2
D
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4250
  DTRACE_PROBE1(hotspot_jni, GetPrimitiveArrayCritical__return, ret);
D
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4251 4252 4253 4254
#else /* USDT2 */
 HOTSPOT_JNI_GETPRIMITIVEARRAYCRITICAL_RETURN(
                                              ret);
#endif /* USDT2 */
D
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4255 4256 4257 4258 4259 4260
  return ret;
JNI_END


JNI_ENTRY(void, jni_ReleasePrimitiveArrayCritical(JNIEnv *env, jarray array, void *carray, jint mode))
  JNIWrapper("ReleasePrimitiveArrayCritical");
D
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4261
#ifndef USDT2
D
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4262
  DTRACE_PROBE4(hotspot_jni, ReleasePrimitiveArrayCritical__entry, env, array, carray, mode);
D
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4263 4264 4265 4266
#else /* USDT2 */
  HOTSPOT_JNI_RELEASEPRIMITIVEARRAYCRITICAL_ENTRY(
                                                  env, array, carray, mode);
#endif /* USDT2 */
D
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4267 4268
  // The array, carray and mode arguments are ignored
  GC_locker::unlock_critical(thread);
D
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4269
#ifndef USDT2
D
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4270
  DTRACE_PROBE(hotspot_jni, ReleasePrimitiveArrayCritical__return);
D
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4271 4272 4273 4274
#else /* USDT2 */
HOTSPOT_JNI_RELEASEPRIMITIVEARRAYCRITICAL_RETURN(
);
#endif /* USDT2 */
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4275 4276 4277 4278 4279
JNI_END


JNI_ENTRY(const jchar*, jni_GetStringCritical(JNIEnv *env, jstring string, jboolean *isCopy))
  JNIWrapper("GetStringCritical");
D
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4280
#ifndef USDT2
D
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4281
  DTRACE_PROBE3(hotspot_jni, GetStringCritical__entry, env, string, isCopy);
D
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4282 4283 4284 4285
#else /* USDT2 */
  HOTSPOT_JNI_GETSTRINGCRITICAL_ENTRY(
                                      env, string, (uintptr_t *) isCopy);
#endif /* USDT2 */
D
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4286 4287 4288 4289 4290 4291 4292 4293 4294 4295 4296 4297 4298 4299
  GC_locker::lock_critical(thread);
  if (isCopy != NULL) {
    *isCopy = JNI_FALSE;
  }
  oop s = JNIHandles::resolve_non_null(string);
  int s_len = java_lang_String::length(s);
  typeArrayOop s_value = java_lang_String::value(s);
  int s_offset = java_lang_String::offset(s);
  const jchar* ret;
  if (s_len > 0) {
    ret = s_value->char_at_addr(s_offset);
  } else {
    ret = (jchar*) s_value->base(T_CHAR);
  }
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#ifndef USDT2
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  DTRACE_PROBE1(hotspot_jni, GetStringCritical__return, ret);
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#else /* USDT2 */
 HOTSPOT_JNI_GETSTRINGCRITICAL_RETURN(
                                      (uint16_t *) ret);
#endif /* USDT2 */
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  return ret;
JNI_END


JNI_ENTRY(void, jni_ReleaseStringCritical(JNIEnv *env, jstring str, const jchar *chars))
  JNIWrapper("ReleaseStringCritical");
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#ifndef USDT2
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  DTRACE_PROBE3(hotspot_jni, ReleaseStringCritical__entry, env, str, chars);
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#else /* USDT2 */
  HOTSPOT_JNI_RELEASESTRINGCRITICAL_ENTRY(
                                          env, str, (uint16_t *) chars);
#endif /* USDT2 */
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  // The str and chars arguments are ignored
  GC_locker::unlock_critical(thread);
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#ifndef USDT2
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  DTRACE_PROBE(hotspot_jni, ReleaseStringCritical__return);
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#else /* USDT2 */
HOTSPOT_JNI_RELEASESTRINGCRITICAL_RETURN(
);
#endif /* USDT2 */
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JNI_END


JNI_ENTRY(jweak, jni_NewWeakGlobalRef(JNIEnv *env, jobject ref))
  JNIWrapper("jni_NewWeakGlobalRef");
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#ifndef USDT2
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  DTRACE_PROBE2(hotspot_jni, NewWeakGlobalRef__entry, env, ref);
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#else /* USDT2 */
 HOTSPOT_JNI_NEWWEAKGLOBALREF_ENTRY(
                                    env, ref);
#endif /* USDT2 */
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  Handle ref_handle(thread, JNIHandles::resolve(ref));
  jweak ret = JNIHandles::make_weak_global(ref_handle);
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#ifndef USDT2
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  DTRACE_PROBE1(hotspot_jni, NewWeakGlobalRef__return, ret);
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#else /* USDT2 */
 HOTSPOT_JNI_NEWWEAKGLOBALREF_RETURN(
                                     ret);
#endif /* USDT2 */
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  return ret;
JNI_END

// Must be JNI_ENTRY (with HandleMark)
JNI_ENTRY(void, jni_DeleteWeakGlobalRef(JNIEnv *env, jweak ref))
  JNIWrapper("jni_DeleteWeakGlobalRef");
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#ifndef USDT2
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  DTRACE_PROBE2(hotspot_jni, DeleteWeakGlobalRef__entry, env, ref);
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#else /* USDT2 */
  HOTSPOT_JNI_DELETEWEAKGLOBALREF_ENTRY(
                                        env, ref);
#endif /* USDT2 */
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  JNIHandles::destroy_weak_global(ref);
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#ifndef USDT2
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  DTRACE_PROBE(hotspot_jni, DeleteWeakGlobalRef__return);
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#else /* USDT2 */
  HOTSPOT_JNI_DELETEWEAKGLOBALREF_RETURN(
                                         );
#endif /* USDT2 */
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JNI_END


JNI_QUICK_ENTRY(jboolean, jni_ExceptionCheck(JNIEnv *env))
  JNIWrapper("jni_ExceptionCheck");
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#ifndef USDT2
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  DTRACE_PROBE1(hotspot_jni, ExceptionCheck__entry, env);
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#else /* USDT2 */
 HOTSPOT_JNI_EXCEPTIONCHECK_ENTRY(
                                  env);
#endif /* USDT2 */
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  jni_check_async_exceptions(thread);
  jboolean ret = (thread->has_pending_exception()) ? JNI_TRUE : JNI_FALSE;
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#ifndef USDT2
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  DTRACE_PROBE1(hotspot_jni, ExceptionCheck__return, ret);
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#else /* USDT2 */
 HOTSPOT_JNI_EXCEPTIONCHECK_RETURN(
                                   ret);
#endif /* USDT2 */
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  return ret;
JNI_END


// Initialization state for three routines below relating to
// java.nio.DirectBuffers
static          jint directBufferSupportInitializeStarted = 0;
static volatile jint directBufferSupportInitializeEnded   = 0;
static volatile jint directBufferSupportInitializeFailed  = 0;
static jclass    bufferClass                 = NULL;
static jclass    directBufferClass           = NULL;
static jclass    directByteBufferClass       = NULL;
static jmethodID directByteBufferConstructor = NULL;
static jfieldID  directBufferAddressField    = NULL;
static jfieldID  bufferCapacityField         = NULL;

static jclass lookupOne(JNIEnv* env, const char* name, TRAPS) {
  Handle loader;            // null (bootstrap) loader
  Handle protection_domain; // null protection domain

4403
  TempNewSymbol sym = SymbolTable::new_symbol(name, CHECK_NULL);
4404 4405 4406
  jclass result =  find_class_from_class_loader(env, sym, true, loader, protection_domain, true, CHECK_NULL);

  if (TraceClassResolution && result != NULL) {
4407
    trace_class_resolution(java_lang_Class::as_Klass(JNIHandles::resolve_non_null(result)));
4408 4409
  }
  return result;
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}

// These lookups are done with the NULL (bootstrap) ClassLoader to
// circumvent any security checks that would be done by jni_FindClass.
JNI_ENTRY(bool, lookupDirectBufferClasses(JNIEnv* env))
{
  if ((bufferClass           = lookupOne(env, "java/nio/Buffer", thread))           == NULL) { return false; }
  if ((directBufferClass     = lookupOne(env, "sun/nio/ch/DirectBuffer", thread))   == NULL) { return false; }
  if ((directByteBufferClass = lookupOne(env, "java/nio/DirectByteBuffer", thread)) == NULL) { return false; }
  return true;
}
JNI_END


static bool initializeDirectBufferSupport(JNIEnv* env, JavaThread* thread) {
  if (directBufferSupportInitializeFailed) {
    return false;
  }

  if (Atomic::cmpxchg(1, &directBufferSupportInitializeStarted, 0) == 0) {
    if (!lookupDirectBufferClasses(env)) {
      directBufferSupportInitializeFailed = 1;
      return false;
    }

    // Make global references for these
    bufferClass           = (jclass) env->NewGlobalRef(bufferClass);
    directBufferClass     = (jclass) env->NewGlobalRef(directBufferClass);
    directByteBufferClass = (jclass) env->NewGlobalRef(directByteBufferClass);

    // Get needed field and method IDs
    directByteBufferConstructor = env->GetMethodID(directByteBufferClass, "<init>", "(JI)V");
4442 4443 4444 4445 4446
    if (env->ExceptionCheck()) {
      env->ExceptionClear();
      directBufferSupportInitializeFailed = 1;
      return false;
    }
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    directBufferAddressField    = env->GetFieldID(bufferClass, "address", "J");
4448 4449 4450 4451 4452
    if (env->ExceptionCheck()) {
      env->ExceptionClear();
      directBufferSupportInitializeFailed = 1;
      return false;
    }
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    bufferCapacityField         = env->GetFieldID(bufferClass, "capacity", "I");
4454 4455 4456 4457 4458
    if (env->ExceptionCheck()) {
      env->ExceptionClear();
      directBufferSupportInitializeFailed = 1;
      return false;
    }
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    if ((directByteBufferConstructor == NULL) ||
        (directBufferAddressField    == NULL) ||
        (bufferCapacityField         == NULL)) {
      directBufferSupportInitializeFailed = 1;
      return false;
    }

    directBufferSupportInitializeEnded = 1;
  } else {
    while (!directBufferSupportInitializeEnded && !directBufferSupportInitializeFailed) {
4470 4471 4472 4473 4474 4475
      // Set state as yield_all can call os:sleep. On Solaris, yield_all calls
      // os::sleep which requires the VM state transition. On other platforms, it
      // is not necessary. The following call to change the VM state is purposely
      // put inside the loop to avoid potential deadlock when multiple threads
      // try to call this method. See 6791815 for more details.
      ThreadInVMfromNative tivn(thread);
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      os::yield_all();
    }
  }

  return !directBufferSupportInitializeFailed;
}

extern "C" jobject JNICALL jni_NewDirectByteBuffer(JNIEnv *env, void* address, jlong capacity)
{
  // thread_from_jni_environment() will block if VM is gone.
  JavaThread* thread = JavaThread::thread_from_jni_environment(env);

  JNIWrapper("jni_NewDirectByteBuffer");
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#ifndef USDT2
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  DTRACE_PROBE3(hotspot_jni, NewDirectByteBuffer__entry, env, address, capacity);
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#else /* USDT2 */
 HOTSPOT_JNI_NEWDIRECTBYTEBUFFER_ENTRY(
                                       env, address, capacity);
#endif /* USDT2 */
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  if (!directBufferSupportInitializeEnded) {
    if (!initializeDirectBufferSupport(env, thread)) {
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#ifndef USDT2
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      DTRACE_PROBE1(hotspot_jni, NewDirectByteBuffer__return, NULL);
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#else /* USDT2 */
      HOTSPOT_JNI_NEWDIRECTBYTEBUFFER_RETURN(
                                             NULL);
#endif /* USDT2 */
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      return NULL;
    }
  }

  // Being paranoid about accidental sign extension on address
  jlong addr = (jlong) ((uintptr_t) address);
  // NOTE that package-private DirectByteBuffer constructor currently
  // takes int capacity
  jint  cap  = (jint)  capacity;
  jobject ret = env->NewObject(directByteBufferClass, directByteBufferConstructor, addr, cap);
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#ifndef USDT2
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  DTRACE_PROBE1(hotspot_jni, NewDirectByteBuffer__return, ret);
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#else /* USDT2 */
  HOTSPOT_JNI_NEWDIRECTBYTEBUFFER_RETURN(
                                         ret);
#endif /* USDT2 */
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  return ret;
}

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#ifndef USDT2
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DT_RETURN_MARK_DECL(GetDirectBufferAddress, void*);
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#else /* USDT2 */
DT_RETURN_MARK_DECL(GetDirectBufferAddress, void*
                    , HOTSPOT_JNI_GETDIRECTBUFFERADDRESS_RETURN((void*) _ret_ref));
#endif /* USDT2 */
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extern "C" void* JNICALL jni_GetDirectBufferAddress(JNIEnv *env, jobject buf)
{
  // thread_from_jni_environment() will block if VM is gone.
  JavaThread* thread = JavaThread::thread_from_jni_environment(env);

  JNIWrapper("jni_GetDirectBufferAddress");
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#ifndef USDT2
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  DTRACE_PROBE2(hotspot_jni, GetDirectBufferAddress__entry, env, buf);
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#else /* USDT2 */
  HOTSPOT_JNI_GETDIRECTBUFFERADDRESS_ENTRY(
                                           env, buf);
#endif /* USDT2 */
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  void* ret = NULL;
  DT_RETURN_MARK(GetDirectBufferAddress, void*, (const void*&)ret);

  if (!directBufferSupportInitializeEnded) {
    if (!initializeDirectBufferSupport(env, thread)) {
      return 0;
    }
  }

  if ((buf != NULL) && (!env->IsInstanceOf(buf, directBufferClass))) {
    return 0;
  }

  ret = (void*)(intptr_t)env->GetLongField(buf, directBufferAddressField);
  return ret;
}

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#ifndef USDT2
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DT_RETURN_MARK_DECL(GetDirectBufferCapacity, jlong);
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#else /* USDT2 */
DT_RETURN_MARK_DECL(GetDirectBufferCapacity, jlong
                    , HOTSPOT_JNI_GETDIRECTBUFFERCAPACITY_RETURN(_ret_ref));
#endif /* USDT2 */
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extern "C" jlong JNICALL jni_GetDirectBufferCapacity(JNIEnv *env, jobject buf)
{
  // thread_from_jni_environment() will block if VM is gone.
  JavaThread* thread = JavaThread::thread_from_jni_environment(env);

  JNIWrapper("jni_GetDirectBufferCapacity");
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#ifndef USDT2
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  DTRACE_PROBE2(hotspot_jni, GetDirectBufferCapacity__entry, env, buf);
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#else /* USDT2 */
  HOTSPOT_JNI_GETDIRECTBUFFERCAPACITY_ENTRY(
                                            env, buf);
#endif /* USDT2 */
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  jlong ret = -1;
  DT_RETURN_MARK(GetDirectBufferCapacity, jlong, (const jlong&)ret);

  if (!directBufferSupportInitializeEnded) {
    if (!initializeDirectBufferSupport(env, thread)) {
      ret = 0;
      return ret;
    }
  }

  if (buf == NULL) {
    return -1;
  }

  if (!env->IsInstanceOf(buf, directBufferClass)) {
    return -1;
  }

  // NOTE that capacity is currently an int in the implementation
  ret = env->GetIntField(buf, bufferCapacityField);
  return ret;
}


JNI_LEAF(jint, jni_GetVersion(JNIEnv *env))
  JNIWrapper("GetVersion");
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#ifndef USDT2
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  DTRACE_PROBE1(hotspot_jni, GetVersion__entry, env);
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#else /* USDT2 */
  HOTSPOT_JNI_GETVERSION_ENTRY(
                               env);
#endif /* USDT2 */
#ifndef USDT2
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  DTRACE_PROBE1(hotspot_jni, GetVersion__return, CurrentVersion);
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#else /* USDT2 */
  HOTSPOT_JNI_GETVERSION_RETURN(
                                CurrentVersion);
#endif /* USDT2 */
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  return CurrentVersion;
JNI_END

extern struct JavaVM_ main_vm;

JNI_LEAF(jint, jni_GetJavaVM(JNIEnv *env, JavaVM **vm))
  JNIWrapper("jni_GetJavaVM");
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#ifndef USDT2
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4624
  DTRACE_PROBE2(hotspot_jni, GetJavaVM__entry, env, vm);
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#else /* USDT2 */
  HOTSPOT_JNI_GETJAVAVM_ENTRY(
                              env, (void **) vm);
#endif /* USDT2 */
D
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4629
  *vm  = (JavaVM *)(&main_vm);
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#ifndef USDT2
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4631
  DTRACE_PROBE1(hotspot_jni, GetJavaVM__return, JNI_OK);
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#else /* USDT2 */
  HOTSPOT_JNI_GETJAVAVM_RETURN(
                               JNI_OK);
#endif /* USDT2 */
D
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4636 4637 4638 4639 4640 4641 4642 4643 4644 4645 4646 4647 4648 4649 4650 4651 4652 4653 4654 4655 4656 4657 4658 4659 4660 4661 4662 4663 4664 4665 4666 4667 4668 4669 4670 4671 4672 4673 4674 4675 4676 4677 4678 4679 4680 4681 4682 4683 4684 4685 4686 4687 4688 4689 4690 4691 4692 4693 4694 4695 4696 4697 4698 4699 4700 4701 4702 4703 4704 4705 4706 4707 4708 4709 4710 4711 4712 4713 4714 4715 4716 4717 4718 4719 4720 4721 4722 4723 4724 4725 4726 4727 4728 4729 4730 4731 4732 4733 4734 4735 4736 4737 4738 4739 4740 4741 4742 4743 4744 4745 4746 4747 4748 4749 4750 4751 4752 4753 4754 4755 4756 4757 4758 4759 4760 4761 4762 4763 4764 4765 4766 4767 4768 4769 4770 4771 4772 4773 4774 4775 4776 4777 4778 4779 4780 4781 4782 4783 4784 4785 4786 4787 4788 4789 4790 4791 4792 4793 4794 4795 4796 4797 4798 4799 4800 4801 4802 4803 4804 4805 4806 4807 4808 4809 4810 4811 4812 4813 4814 4815 4816 4817 4818 4819 4820 4821 4822 4823 4824 4825 4826 4827 4828 4829 4830 4831 4832 4833 4834 4835 4836 4837 4838 4839 4840 4841 4842 4843 4844 4845 4846 4847 4848 4849 4850 4851 4852 4853 4854 4855 4856 4857 4858 4859 4860 4861 4862 4863 4864 4865 4866 4867 4868 4869 4870 4871 4872 4873 4874 4875 4876 4877 4878 4879 4880 4881 4882 4883 4884 4885 4886 4887 4888 4889 4890 4891 4892 4893 4894 4895 4896 4897 4898 4899 4900 4901 4902 4903 4904 4905 4906 4907 4908 4909 4910 4911 4912 4913 4914 4915 4916 4917 4918 4919 4920 4921 4922 4923 4924 4925 4926 4927 4928 4929 4930 4931 4932 4933 4934 4935 4936 4937 4938 4939 4940 4941 4942 4943 4944 4945 4946 4947 4948 4949 4950 4951 4952 4953 4954 4955 4956 4957 4958 4959 4960 4961 4962 4963 4964 4965 4966 4967 4968 4969 4970 4971 4972 4973 4974 4975 4976 4977 4978 4979 4980 4981 4982 4983 4984
  return JNI_OK;
JNI_END

// Structure containing all jni functions
struct JNINativeInterface_ jni_NativeInterface = {
    NULL,
    NULL,
    NULL,

    NULL,

    jni_GetVersion,

    jni_DefineClass,
    jni_FindClass,

    jni_FromReflectedMethod,
    jni_FromReflectedField,

    jni_ToReflectedMethod,

    jni_GetSuperclass,
    jni_IsAssignableFrom,

    jni_ToReflectedField,

    jni_Throw,
    jni_ThrowNew,
    jni_ExceptionOccurred,
    jni_ExceptionDescribe,
    jni_ExceptionClear,
    jni_FatalError,

    jni_PushLocalFrame,
    jni_PopLocalFrame,

    jni_NewGlobalRef,
    jni_DeleteGlobalRef,
    jni_DeleteLocalRef,
    jni_IsSameObject,

    jni_NewLocalRef,
    jni_EnsureLocalCapacity,

    jni_AllocObject,
    jni_NewObject,
    jni_NewObjectV,
    jni_NewObjectA,

    jni_GetObjectClass,
    jni_IsInstanceOf,

    jni_GetMethodID,

    jni_CallObjectMethod,
    jni_CallObjectMethodV,
    jni_CallObjectMethodA,
    jni_CallBooleanMethod,
    jni_CallBooleanMethodV,
    jni_CallBooleanMethodA,
    jni_CallByteMethod,
    jni_CallByteMethodV,
    jni_CallByteMethodA,
    jni_CallCharMethod,
    jni_CallCharMethodV,
    jni_CallCharMethodA,
    jni_CallShortMethod,
    jni_CallShortMethodV,
    jni_CallShortMethodA,
    jni_CallIntMethod,
    jni_CallIntMethodV,
    jni_CallIntMethodA,
    jni_CallLongMethod,
    jni_CallLongMethodV,
    jni_CallLongMethodA,
    jni_CallFloatMethod,
    jni_CallFloatMethodV,
    jni_CallFloatMethodA,
    jni_CallDoubleMethod,
    jni_CallDoubleMethodV,
    jni_CallDoubleMethodA,
    jni_CallVoidMethod,
    jni_CallVoidMethodV,
    jni_CallVoidMethodA,

    jni_CallNonvirtualObjectMethod,
    jni_CallNonvirtualObjectMethodV,
    jni_CallNonvirtualObjectMethodA,
    jni_CallNonvirtualBooleanMethod,
    jni_CallNonvirtualBooleanMethodV,
    jni_CallNonvirtualBooleanMethodA,
    jni_CallNonvirtualByteMethod,
    jni_CallNonvirtualByteMethodV,
    jni_CallNonvirtualByteMethodA,
    jni_CallNonvirtualCharMethod,
    jni_CallNonvirtualCharMethodV,
    jni_CallNonvirtualCharMethodA,
    jni_CallNonvirtualShortMethod,
    jni_CallNonvirtualShortMethodV,
    jni_CallNonvirtualShortMethodA,
    jni_CallNonvirtualIntMethod,
    jni_CallNonvirtualIntMethodV,
    jni_CallNonvirtualIntMethodA,
    jni_CallNonvirtualLongMethod,
    jni_CallNonvirtualLongMethodV,
    jni_CallNonvirtualLongMethodA,
    jni_CallNonvirtualFloatMethod,
    jni_CallNonvirtualFloatMethodV,
    jni_CallNonvirtualFloatMethodA,
    jni_CallNonvirtualDoubleMethod,
    jni_CallNonvirtualDoubleMethodV,
    jni_CallNonvirtualDoubleMethodA,
    jni_CallNonvirtualVoidMethod,
    jni_CallNonvirtualVoidMethodV,
    jni_CallNonvirtualVoidMethodA,

    jni_GetFieldID,

    jni_GetObjectField,
    jni_GetBooleanField,
    jni_GetByteField,
    jni_GetCharField,
    jni_GetShortField,
    jni_GetIntField,
    jni_GetLongField,
    jni_GetFloatField,
    jni_GetDoubleField,

    jni_SetObjectField,
    jni_SetBooleanField,
    jni_SetByteField,
    jni_SetCharField,
    jni_SetShortField,
    jni_SetIntField,
    jni_SetLongField,
    jni_SetFloatField,
    jni_SetDoubleField,

    jni_GetStaticMethodID,

    jni_CallStaticObjectMethod,
    jni_CallStaticObjectMethodV,
    jni_CallStaticObjectMethodA,
    jni_CallStaticBooleanMethod,
    jni_CallStaticBooleanMethodV,
    jni_CallStaticBooleanMethodA,
    jni_CallStaticByteMethod,
    jni_CallStaticByteMethodV,
    jni_CallStaticByteMethodA,
    jni_CallStaticCharMethod,
    jni_CallStaticCharMethodV,
    jni_CallStaticCharMethodA,
    jni_CallStaticShortMethod,
    jni_CallStaticShortMethodV,
    jni_CallStaticShortMethodA,
    jni_CallStaticIntMethod,
    jni_CallStaticIntMethodV,
    jni_CallStaticIntMethodA,
    jni_CallStaticLongMethod,
    jni_CallStaticLongMethodV,
    jni_CallStaticLongMethodA,
    jni_CallStaticFloatMethod,
    jni_CallStaticFloatMethodV,
    jni_CallStaticFloatMethodA,
    jni_CallStaticDoubleMethod,
    jni_CallStaticDoubleMethodV,
    jni_CallStaticDoubleMethodA,
    jni_CallStaticVoidMethod,
    jni_CallStaticVoidMethodV,
    jni_CallStaticVoidMethodA,

    jni_GetStaticFieldID,

    jni_GetStaticObjectField,
    jni_GetStaticBooleanField,
    jni_GetStaticByteField,
    jni_GetStaticCharField,
    jni_GetStaticShortField,
    jni_GetStaticIntField,
    jni_GetStaticLongField,
    jni_GetStaticFloatField,
    jni_GetStaticDoubleField,

    jni_SetStaticObjectField,
    jni_SetStaticBooleanField,
    jni_SetStaticByteField,
    jni_SetStaticCharField,
    jni_SetStaticShortField,
    jni_SetStaticIntField,
    jni_SetStaticLongField,
    jni_SetStaticFloatField,
    jni_SetStaticDoubleField,

    jni_NewString,
    jni_GetStringLength,
    jni_GetStringChars,
    jni_ReleaseStringChars,

    jni_NewStringUTF,
    jni_GetStringUTFLength,
    jni_GetStringUTFChars,
    jni_ReleaseStringUTFChars,

    jni_GetArrayLength,

    jni_NewObjectArray,
    jni_GetObjectArrayElement,
    jni_SetObjectArrayElement,

    jni_NewBooleanArray,
    jni_NewByteArray,
    jni_NewCharArray,
    jni_NewShortArray,
    jni_NewIntArray,
    jni_NewLongArray,
    jni_NewFloatArray,
    jni_NewDoubleArray,

    jni_GetBooleanArrayElements,
    jni_GetByteArrayElements,
    jni_GetCharArrayElements,
    jni_GetShortArrayElements,
    jni_GetIntArrayElements,
    jni_GetLongArrayElements,
    jni_GetFloatArrayElements,
    jni_GetDoubleArrayElements,

    jni_ReleaseBooleanArrayElements,
    jni_ReleaseByteArrayElements,
    jni_ReleaseCharArrayElements,
    jni_ReleaseShortArrayElements,
    jni_ReleaseIntArrayElements,
    jni_ReleaseLongArrayElements,
    jni_ReleaseFloatArrayElements,
    jni_ReleaseDoubleArrayElements,

    jni_GetBooleanArrayRegion,
    jni_GetByteArrayRegion,
    jni_GetCharArrayRegion,
    jni_GetShortArrayRegion,
    jni_GetIntArrayRegion,
    jni_GetLongArrayRegion,
    jni_GetFloatArrayRegion,
    jni_GetDoubleArrayRegion,

    jni_SetBooleanArrayRegion,
    jni_SetByteArrayRegion,
    jni_SetCharArrayRegion,
    jni_SetShortArrayRegion,
    jni_SetIntArrayRegion,
    jni_SetLongArrayRegion,
    jni_SetFloatArrayRegion,
    jni_SetDoubleArrayRegion,

    jni_RegisterNatives,
    jni_UnregisterNatives,

    jni_MonitorEnter,
    jni_MonitorExit,

    jni_GetJavaVM,

    jni_GetStringRegion,
    jni_GetStringUTFRegion,

    jni_GetPrimitiveArrayCritical,
    jni_ReleasePrimitiveArrayCritical,

    jni_GetStringCritical,
    jni_ReleaseStringCritical,

    jni_NewWeakGlobalRef,
    jni_DeleteWeakGlobalRef,

    jni_ExceptionCheck,

    jni_NewDirectByteBuffer,
    jni_GetDirectBufferAddress,
    jni_GetDirectBufferCapacity,

    // New 1_6 features

    jni_GetObjectRefType
};


// For jvmti use to modify jni function table.
// Java threads in native contiues to run until it is transitioned
// to VM at safepoint. Before the transition or before it is blocked
// for safepoint it may access jni function table. VM could crash if
// any java thread access the jni function table in the middle of memcpy.
// To avoid this each function pointers are copied automically.
void copy_jni_function_table(const struct JNINativeInterface_ *new_jni_NativeInterface) {
  assert(SafepointSynchronize::is_at_safepoint(), "must be at safepoint");
  intptr_t *a = (intptr_t *) jni_functions();
  intptr_t *b = (intptr_t *) new_jni_NativeInterface;
  for (uint i=0; i <  sizeof(struct JNINativeInterface_)/sizeof(void *); i++) {
    Atomic::store_ptr(*b++, a++);
  }
}

void quicken_jni_functions() {
  // Replace Get<Primitive>Field with fast versions
  if (UseFastJNIAccessors && !JvmtiExport::can_post_field_access()
      && !VerifyJNIFields && !TraceJNICalls && !CountJNICalls && !CheckJNICalls
#if defined(_WINDOWS) && defined(IA32) && defined(COMPILER2)
      // windows x86 currently needs SEH wrapper and the gain of the fast
      // versions currently isn't certain for server vm on uniprocessor.
      && os::is_MP()
#endif
  ) {
    address func;
    func = JNI_FastGetField::generate_fast_get_boolean_field();
    if (func != (address)-1) {
      jni_NativeInterface.GetBooleanField = (GetBooleanField_t)func;
    }
    func = JNI_FastGetField::generate_fast_get_byte_field();
    if (func != (address)-1) {
      jni_NativeInterface.GetByteField = (GetByteField_t)func;
    }
    func = JNI_FastGetField::generate_fast_get_char_field();
    if (func != (address)-1) {
      jni_NativeInterface.GetCharField = (GetCharField_t)func;
    }
    func = JNI_FastGetField::generate_fast_get_short_field();
    if (func != (address)-1) {
      jni_NativeInterface.GetShortField = (GetShortField_t)func;
    }
    func = JNI_FastGetField::generate_fast_get_int_field();
    if (func != (address)-1) {
      jni_NativeInterface.GetIntField = (GetIntField_t)func;
    }
    func = JNI_FastGetField::generate_fast_get_long_field();
    if (func != (address)-1) {
      jni_NativeInterface.GetLongField = (GetLongField_t)func;
    }
    func = JNI_FastGetField::generate_fast_get_float_field();
    if (func != (address)-1) {
      jni_NativeInterface.GetFloatField = (GetFloatField_t)func;
    }
    func = JNI_FastGetField::generate_fast_get_double_field();
    if (func != (address)-1) {
      jni_NativeInterface.GetDoubleField = (GetDoubleField_t)func;
    }
  }
}

// Returns the function structure
struct JNINativeInterface_* jni_functions() {
4985
#if INCLUDE_JNI_CHECK
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  if (CheckJNICalls) return jni_functions_check();
4987
#endif // INCLUDE_JNI_CHECK
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  return &jni_NativeInterface;
}

// Returns the function structure
struct JNINativeInterface_* jni_functions_nocheck() {
  return &jni_NativeInterface;
}


// Invocation API


// Forward declaration
extern const struct JNIInvokeInterface_ jni_InvokeInterface;

// Global invocation API vars
volatile jint vm_created = 0;
// Indicate whether it is safe to recreate VM
volatile jint safe_to_recreate_vm = 1;
struct JavaVM_ main_vm = {&jni_InvokeInterface};


#define JAVASTACKSIZE (400 * 1024)    /* Default size of a thread java stack */
enum { VERIFY_NONE, VERIFY_REMOTE, VERIFY_ALL };

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#ifndef USDT2
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HS_DTRACE_PROBE_DECL1(hotspot_jni, GetDefaultJavaVMInitArgs__entry, void*);
DT_RETURN_MARK_DECL(GetDefaultJavaVMInitArgs, jint);
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#else /* USDT2 */
DT_RETURN_MARK_DECL(GetDefaultJavaVMInitArgs, jint
                    , HOTSPOT_JNI_GETDEFAULTJAVAVMINITARGS_RETURN(_ret_ref));
#endif /* USDT2 */
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_JNI_IMPORT_OR_EXPORT_ jint JNICALL JNI_GetDefaultJavaVMInitArgs(void *args_) {
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#ifndef USDT2
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  HS_DTRACE_PROBE1(hotspot_jni, GetDefaultJavaVMInitArgs__entry, args_);
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#else /* USDT2 */
  HOTSPOT_JNI_GETDEFAULTJAVAVMINITARGS_ENTRY(
                                             args_);
#endif /* USDT2 */
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  JDK1_1InitArgs *args = (JDK1_1InitArgs *)args_;
  jint ret = JNI_ERR;
  DT_RETURN_MARK(GetDefaultJavaVMInitArgs, jint, (const jint&)ret);

  if (Threads::is_supported_jni_version(args->version)) {
    ret = JNI_OK;
  }
  // 1.1 style no longer supported in hotspot.
  // According the JNI spec, we should update args->version on return.
  // We also use the structure to communicate with launcher about default
  // stack size.
  if (args->version == JNI_VERSION_1_1) {
    args->version = JNI_VERSION_1_2;
    // javaStackSize is int in arguments structure
    assert(jlong(ThreadStackSize) * K < INT_MAX, "integer overflow");
    args->javaStackSize = (jint)(ThreadStackSize * K);
  }
  return ret;
}

5048 5049
#ifndef PRODUCT

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#include "gc_implementation/shared/gcTimer.hpp"
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#include "gc_interface/collectedHeap.hpp"
5052 5053 5054
#if INCLUDE_ALL_GCS
#include "gc_implementation/g1/heapRegionRemSet.hpp"
#endif
5055
#include "memory/guardedMemory.hpp"
5056
#include "utilities/quickSort.hpp"
5057
#include "utilities/ostream.hpp"
5058 5059 5060
#if INCLUDE_VM_STRUCTS
#include "runtime/vmStructs.hpp"
#endif
5061

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#define run_unit_test(unit_test_function_call)              \
  tty->print_cr("Running test: " #unit_test_function_call); \
  unit_test_function_call

5066
// Forward declaration
5067
void TestOS_test();
5068 5069
void TestReservedSpace_test();
void TestReserveMemorySpecial_test();
5070
void TestVirtualSpace_test();
5071
void TestMetaspaceAux_test();
5072
void TestMetachunk_test();
5073
void TestVirtualSpaceNode_test();
5074
void TestNewSize_test();
5075
void TestKlass_test();
5076
void Test_linked_list();
5077
void TestChunkedList_test();
5078
#if INCLUDE_ALL_GCS
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void TestOldFreeSpaceCalculation_test();
5080
void TestG1BiasedArray_test();
5081
void TestBufferingOopClosure_test();
5082
void TestCodeCacheRemSet_test();
5083
void FreeRegionList_test();
5084
#endif
5085

5086 5087
void execute_internal_vm_tests() {
  if (ExecuteInternalVMTests) {
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    tty->print_cr("Running internal VM tests");
5089
    run_unit_test(TestOS_test());
5090 5091
    run_unit_test(TestReservedSpace_test());
    run_unit_test(TestReserveMemorySpecial_test());
5092
    run_unit_test(TestVirtualSpace_test());
5093
    run_unit_test(TestMetaspaceAux_test());
5094
    run_unit_test(TestMetachunk_test());
5095
    run_unit_test(TestVirtualSpaceNode_test());
5096
    run_unit_test(GlobalDefinitions::test_globals());
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    run_unit_test(GCTimerAllTest::all());
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    run_unit_test(arrayOopDesc::test_max_array_length());
    run_unit_test(CollectedHeap::test_is_in());
    run_unit_test(QuickSort::test_quick_sort());
5101
    run_unit_test(GuardedMemory::test_guarded_memory());
5102
    run_unit_test(AltHashing::test_alt_hash());
5103
    run_unit_test(test_loggc_filename());
5104
    run_unit_test(TestNewSize_test());
5105
    run_unit_test(TestKlass_test());
5106
    run_unit_test(Test_linked_list());
5107
    run_unit_test(TestChunkedList_test());
5108 5109
#if INCLUDE_VM_STRUCTS
    run_unit_test(VMStructs::test());
5110 5111
#endif
#if INCLUDE_ALL_GCS
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    run_unit_test(TestOldFreeSpaceCalculation_test());
5113
    run_unit_test(TestG1BiasedArray_test());
5114
    run_unit_test(HeapRegionRemSet::test_prt());
5115
    run_unit_test(TestBufferingOopClosure_test());
5116
    run_unit_test(TestCodeCacheRemSet_test());
5117 5118 5119
    if (UseG1GC) {
      run_unit_test(FreeRegionList_test());
    }
5120
#endif
5121
    tty->print_cr("All internal VM tests passed");
5122 5123 5124
  }
}

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#undef run_unit_test

5127 5128
#endif

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#ifndef USDT2
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HS_DTRACE_PROBE_DECL3(hotspot_jni, CreateJavaVM__entry, vm, penv, args);
DT_RETURN_MARK_DECL(CreateJavaVM, jint);
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#else /* USDT2 */
DT_RETURN_MARK_DECL(CreateJavaVM, jint
                    , HOTSPOT_JNI_CREATEJAVAVM_RETURN(_ret_ref));
#endif /* USDT2 */
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_JNI_IMPORT_OR_EXPORT_ jint JNICALL JNI_CreateJavaVM(JavaVM **vm, void **penv, void *args) {
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#ifndef USDT2
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  HS_DTRACE_PROBE3(hotspot_jni, CreateJavaVM__entry, vm, penv, args);
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#else /* USDT2 */
  HOTSPOT_JNI_CREATEJAVAVM_ENTRY(
                                 (void **) vm, penv, args);
#endif /* USDT2 */
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  jint result = JNI_ERR;
  DT_RETURN_MARK(CreateJavaVM, jint, (const jint&)result);

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  // We're about to use Atomic::xchg for synchronization.  Some Zero
  // platforms use the GCC builtin __sync_lock_test_and_set for this,
  // but __sync_lock_test_and_set is not guaranteed to do what we want
  // on all architectures.  So we check it works before relying on it.
#if defined(ZERO) && defined(ASSERT)
  {
    jint a = 0xcafebabe;
    jint b = Atomic::xchg(0xdeadbeef, &a);
    void *c = &a;
    void *d = Atomic::xchg_ptr(&b, &c);
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    assert(a == (jint) 0xdeadbeef && b == (jint) 0xcafebabe, "Atomic::xchg() works");
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    assert(c == &b && d == &a, "Atomic::xchg_ptr() works");
  }
#endif // ZERO && ASSERT

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  // At the moment it's only possible to have one Java VM,
  // since some of the runtime state is in global variables.

  // We cannot use our mutex locks here, since they only work on
  // Threads. We do an atomic compare and exchange to ensure only
  // one thread can call this method at a time

  // We use Atomic::xchg rather than Atomic::add/dec since on some platforms
  // the add/dec implementations are dependent on whether we are running
  // on a multiprocessor, and at this stage of initialization the os::is_MP
  // function used to determine this will always return false. Atomic::xchg
  // does not have this problem.
  if (Atomic::xchg(1, &vm_created) == 1) {
5176
    return JNI_EEXIST;   // already created, or create attempt in progress
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  }
  if (Atomic::xchg(0, &safe_to_recreate_vm) == 0) {
    return JNI_ERR;  // someone tried and failed and retry not allowed.
  }

  assert(vm_created == 1, "vm_created is true during the creation");

  /**
   * Certain errors during initialization are recoverable and do not
   * prevent this method from being called again at a later time
   * (perhaps with different arguments).  However, at a certain
   * point during initialization if an error occurs we cannot allow
   * this function to be called again (or it will crash).  In those
   * situations, the 'canTryAgain' flag is set to false, which atomically
   * sets safe_to_recreate_vm to 1, such that any new call to
   * JNI_CreateJavaVM will immediately fail using the above logic.
   */
  bool can_try_again = true;

  result = Threads::create_vm((JavaVMInitArgs*) args, &can_try_again);
  if (result == JNI_OK) {
    JavaThread *thread = JavaThread::current();
    /* thread is thread_in_vm here */
    *vm = (JavaVM *)(&main_vm);
    *(JNIEnv**)penv = thread->jni_environment();

    // Tracks the time application was running before GC
    RuntimeService::record_application_start();

    // Notify JVMTI
    if (JvmtiExport::should_post_thread_life()) {
       JvmtiExport::post_thread_start(thread);
    }
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    EventThreadStart event;
    if (event.should_commit()) {
      event.set_javalangthread(java_lang_Thread::thread_id(thread->threadObj()));
      event.commit();
    }
5216

5217
#ifndef PRODUCT
5218
  #ifndef CALL_TEST_FUNC_WITH_WRAPPER_IF_NEEDED
5219 5220 5221
    #define CALL_TEST_FUNC_WITH_WRAPPER_IF_NEEDED(f) f()
  #endif

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    // Check if we should compile all classes on bootclasspath
5223 5224 5225 5226 5227 5228 5229 5230 5231
    if (CompileTheWorld) ClassLoader::compile_the_world();
    if (ReplayCompiles) ciReplay::replay(thread);

    // Some platforms (like Win*) need a wrapper around these test
    // functions in order to properly handle error conditions.
    CALL_TEST_FUNC_WITH_WRAPPER_IF_NEEDED(test_error_handler);
    CALL_TEST_FUNC_WITH_WRAPPER_IF_NEEDED(execute_internal_vm_tests);
#endif

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    // Since this is not a JVM_ENTRY we have to set the thread state manually before leaving.
    ThreadStateTransition::transition_and_fence(thread, _thread_in_vm, _thread_in_native);
  } else {
    if (can_try_again) {
      // reset safe_to_recreate_vm to 1 so that retrial would be possible
      safe_to_recreate_vm = 1;
    }

    // Creation failed. We must reset vm_created
    *vm = 0;
    *(JNIEnv**)penv = 0;
    // reset vm_created last to avoid race condition. Use OrderAccess to
    // control both compiler and architectural-based reordering.
    OrderAccess::release_store(&vm_created, 0);
  }

  return result;
}

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#ifndef USDT2
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HS_DTRACE_PROBE_DECL3(hotspot_jni, GetCreatedJavaVMs__entry, \
  JavaVM**, jsize, jsize*);
HS_DTRACE_PROBE_DECL1(hotspot_jni, GetCreatedJavaVMs__return, jint);
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#endif /* !USDT2 */
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_JNI_IMPORT_OR_EXPORT_ jint JNICALL JNI_GetCreatedJavaVMs(JavaVM **vm_buf, jsize bufLen, jsize *numVMs) {
  // See bug 4367188, the wrapper can sometimes cause VM crashes
  // JNIWrapper("GetCreatedJavaVMs");
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#ifndef USDT2
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  HS_DTRACE_PROBE3(hotspot_jni, GetCreatedJavaVMs__entry, \
    vm_buf, bufLen, numVMs);
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#else /* USDT2 */
  HOTSPOT_JNI_GETCREATEDJAVAVMS_ENTRY(
                                      (void **) vm_buf, bufLen, (uintptr_t *) numVMs);
#endif /* USDT2 */
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  if (vm_created) {
    if (numVMs != NULL) *numVMs = 1;
    if (bufLen > 0)     *vm_buf = (JavaVM *)(&main_vm);
  } else {
    if (numVMs != NULL) *numVMs = 0;
  }
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#ifndef USDT2
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  HS_DTRACE_PROBE1(hotspot_jni, GetCreatedJavaVMs__return, JNI_OK);
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#else /* USDT2 */
  HOTSPOT_JNI_GETCREATEDJAVAVMS_RETURN(
                                    JNI_OK);
#endif /* USDT2 */
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  return JNI_OK;
}

extern "C" {

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#ifndef USDT2
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5285
DT_RETURN_MARK_DECL(DestroyJavaVM, jint);
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#else /* USDT2 */
DT_RETURN_MARK_DECL(DestroyJavaVM, jint
                    , HOTSPOT_JNI_DESTROYJAVAVM_RETURN(_ret_ref));
#endif /* USDT2 */
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5290 5291

jint JNICALL jni_DestroyJavaVM(JavaVM *vm) {
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5292
#ifndef USDT2
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5293
  DTRACE_PROBE1(hotspot_jni, DestroyJavaVM__entry, vm);
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#else /* USDT2 */
  HOTSPOT_JNI_DESTROYJAVAVM_ENTRY(
                                  vm);
#endif /* USDT2 */
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  jint res = JNI_ERR;
  DT_RETURN_MARK(DestroyJavaVM, jint, (const jint&)res);

  if (!vm_created) {
    res = JNI_ERR;
    return res;
  }

  JNIWrapper("DestroyJavaVM");
  JNIEnv *env;
  JavaVMAttachArgs destroyargs;
  destroyargs.version = CurrentVersion;
  destroyargs.name = (char *)"DestroyJavaVM";
  destroyargs.group = NULL;
  res = vm->AttachCurrentThread((void **)&env, (void *)&destroyargs);
  if (res != JNI_OK) {
    return res;
  }

  // Since this is not a JVM_ENTRY we have to set the thread state manually before entering.
  JavaThread* thread = JavaThread::current();
  ThreadStateTransition::transition_from_native(thread, _thread_in_vm);
  if (Threads::destroy_vm()) {
    // Should not change thread state, VM is gone
    vm_created = false;
    res = JNI_OK;
    return res;
  } else {
    ThreadStateTransition::transition_and_fence(thread, _thread_in_vm, _thread_in_native);
    res = JNI_ERR;
    return res;
  }
}


static jint attach_current_thread(JavaVM *vm, void **penv, void *_args, bool daemon) {
  JavaVMAttachArgs *args = (JavaVMAttachArgs *) _args;

  // Check below commented out from JDK1.2fcs as well
  /*
  if (args && (args->version != JNI_VERSION_1_1 || args->version != JNI_VERSION_1_2)) {
    return JNI_EVERSION;
  }
  */

  Thread* t = ThreadLocalStorage::get_thread_slow();
  if (t != NULL) {
    // If the thread has been attached this operation is a no-op
    *(JNIEnv**)penv = ((JavaThread*) t)->jni_environment();
    return JNI_OK;
  }

  // Create a thread and mark it as attaching so it will be skipped by the
  // ThreadsListEnumerator - see CR 6404306
  JavaThread* thread = new JavaThread(true);

  // Set correct safepoint info. The thread is going to call into Java when
  // initializing the Java level thread object. Hence, the correct state must
  // be set in order for the Safepoint code to deal with it correctly.
  thread->set_thread_state(_thread_in_vm);
  // Must do this before initialize_thread_local_storage
  thread->record_stack_base_and_size();
5360

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  thread->initialize_thread_local_storage();

  if (!os::create_attached_thread(thread)) {
    delete thread;
    return JNI_ERR;
  }
5367 5368 5369
  // Enable stack overflow checks
  thread->create_stack_guard_pages();

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  thread->initialize_tlab();

5372 5373
  thread->cache_global_variables();

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  // Crucial that we do not have a safepoint check for this thread, since it has
  // not been added to the Thread list yet.
  { Threads_lock->lock_without_safepoint_check();
    // This must be inside this lock in order to get FullGCALot to work properly, i.e., to
    // avoid this thread trying to do a GC before it is added to the thread-list
    thread->set_active_handles(JNIHandleBlock::allocate_block());
    Threads::add(thread, daemon);
    Threads_lock->unlock();
  }
  // Create thread group and name info from attach arguments
  oop group = NULL;
  char* thread_name = NULL;
  if (args != NULL && Threads::is_supported_jni_version(args->version)) {
    group = JNIHandles::resolve(args->group);
    thread_name = args->name; // may be NULL
  }
  if (group == NULL) group = Universe::main_thread_group();

  // Create Java level thread object and attach it to this thread
  bool attach_failed = false;
  {
    EXCEPTION_MARK;
    HandleMark hm(THREAD);
    Handle thread_group(THREAD, group);
    thread->allocate_threadObj(thread_group, thread_name, daemon, THREAD);
    if (HAS_PENDING_EXCEPTION) {
      CLEAR_PENDING_EXCEPTION;
      // cleanup outside the handle mark.
      attach_failed = true;
    }
  }

  if (attach_failed) {
    // Added missing cleanup
    thread->cleanup_failed_attach_current_thread();
    return JNI_ERR;
  }

  // mark the thread as no longer attaching
  // this uses a fence to push the change through so we don't have
  // to regrab the threads_lock
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  thread->set_done_attaching_via_jni();
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  // Set java thread status.
  java_lang_Thread::set_thread_status(thread->threadObj(),
              java_lang_Thread::RUNNABLE);

  // Notify the debugger
  if (JvmtiExport::should_post_thread_life()) {
    JvmtiExport::post_thread_start(thread);
  }

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  EventThreadStart event;
  if (event.should_commit()) {
    event.set_javalangthread(java_lang_Thread::thread_id(thread->threadObj()));
    event.commit();
  }
5431

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  *(JNIEnv**)penv = thread->jni_environment();

  // Now leaving the VM, so change thread_state. This is normally automatically taken care
  // of in the JVM_ENTRY. But in this situation we have to do it manually. Notice, that by
  // using ThreadStateTransition::transition, we do a callback to the safepoint code if
  // needed.

  ThreadStateTransition::transition_and_fence(thread, _thread_in_vm, _thread_in_native);

  // Perform any platform dependent FPU setup
  os::setup_fpu();

  return JNI_OK;
}


jint JNICALL jni_AttachCurrentThread(JavaVM *vm, void **penv, void *_args) {
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#ifndef USDT2
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  DTRACE_PROBE3(hotspot_jni, AttachCurrentThread__entry, vm, penv, _args);
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#else /* USDT2 */
  HOTSPOT_JNI_ATTACHCURRENTTHREAD_ENTRY(
                                        vm, penv, _args);
#endif /* USDT2 */
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  if (!vm_created) {
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#ifndef USDT2
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    DTRACE_PROBE1(hotspot_jni, AttachCurrentThread__return, JNI_ERR);
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#else /* USDT2 */
  HOTSPOT_JNI_ATTACHCURRENTTHREAD_RETURN(
                                         (uint32_t) JNI_ERR);
#endif /* USDT2 */
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    return JNI_ERR;
  }

  JNIWrapper("AttachCurrentThread");
  jint ret = attach_current_thread(vm, penv, _args, false);
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#ifndef USDT2
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  DTRACE_PROBE1(hotspot_jni, AttachCurrentThread__return, ret);
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#else /* USDT2 */
  HOTSPOT_JNI_ATTACHCURRENTTHREAD_RETURN(
                                         ret);
#endif /* USDT2 */
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  return ret;
}


jint JNICALL jni_DetachCurrentThread(JavaVM *vm)  {
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#ifndef USDT2
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  DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__entry, vm);
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#else /* USDT2 */
  HOTSPOT_JNI_DETACHCURRENTTHREAD_ENTRY(
                                        vm);
#endif /* USDT2 */
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  VM_Exit::block_if_vm_exited();

  JNIWrapper("DetachCurrentThread");

  // If the thread has been deattacted the operations is a no-op
  if (ThreadLocalStorage::thread() == NULL) {
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#ifndef USDT2
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    DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__return, JNI_OK);
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#else /* USDT2 */
  HOTSPOT_JNI_DETACHCURRENTTHREAD_RETURN(
                                         JNI_OK);
#endif /* USDT2 */
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    return JNI_OK;
  }

  JavaThread* thread = JavaThread::current();
  if (thread->has_last_Java_frame()) {
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#ifndef USDT2
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    DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__return, JNI_ERR);
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#else /* USDT2 */
  HOTSPOT_JNI_DETACHCURRENTTHREAD_RETURN(
                                         (uint32_t) JNI_ERR);
#endif /* USDT2 */
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    // Can't detach a thread that's running java, that can't work.
    return JNI_ERR;
  }

  // Safepoint support. Have to do call-back to safepoint code, if in the
  // middel of a safepoint operation
  ThreadStateTransition::transition_from_native(thread, _thread_in_vm);

  // XXX: Note that JavaThread::exit() call below removes the guards on the
  // stack pages set up via enable_stack_{red,yellow}_zone() calls
  // above in jni_AttachCurrentThread. Unfortunately, while the setting
  // of the guards is visible in jni_AttachCurrentThread above,
  // the removal of the guards is buried below in JavaThread::exit()
  // here. The abstraction should be more symmetrically either exposed
  // or hidden (e.g. it could probably be hidden in the same
  // (platform-dependent) methods where we do alternate stack
  // maintenance work?)
  thread->exit(false, JavaThread::jni_detach);
  delete thread;

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#ifndef USDT2
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  DTRACE_PROBE1(hotspot_jni, DetachCurrentThread__return, JNI_OK);
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#else /* USDT2 */
  HOTSPOT_JNI_DETACHCURRENTTHREAD_RETURN(
                                         JNI_OK);
#endif /* USDT2 */
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  return JNI_OK;
}

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#ifndef USDT2
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DT_RETURN_MARK_DECL(GetEnv, jint);
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#else /* USDT2 */
DT_RETURN_MARK_DECL(GetEnv, jint
                    , HOTSPOT_JNI_GETENV_RETURN(_ret_ref));
#endif /* USDT2 */
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jint JNICALL jni_GetEnv(JavaVM *vm, void **penv, jint version) {
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#ifndef USDT2
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  DTRACE_PROBE3(hotspot_jni, GetEnv__entry, vm, penv, version);
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#else /* USDT2 */
  HOTSPOT_JNI_GETENV_ENTRY(
                           vm, penv, version);
#endif /* USDT2 */
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  jint ret = JNI_ERR;
  DT_RETURN_MARK(GetEnv, jint, (const jint&)ret);

  if (!vm_created) {
    *penv = NULL;
    ret = JNI_EDETACHED;
    return ret;
  }

5559
  if (JniExportedInterface::GetExportedInterface(vm, penv, version, &ret)) {
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    return ret;
  }

#ifndef JVMPI_VERSION_1
// need these in order to be polite about older agents
#define JVMPI_VERSION_1   ((jint)0x10000001)
#define JVMPI_VERSION_1_1 ((jint)0x10000002)
#define JVMPI_VERSION_1_2 ((jint)0x10000003)
#endif // !JVMPI_VERSION_1

  Thread* thread = ThreadLocalStorage::thread();
  if (thread != NULL && thread->is_Java_thread()) {
    if (Threads::is_supported_jni_version_including_1_1(version)) {
      *(JNIEnv**)penv = ((JavaThread*) thread)->jni_environment();
      ret = JNI_OK;
      return ret;

    } else if (version == JVMPI_VERSION_1 ||
               version == JVMPI_VERSION_1_1 ||
               version == JVMPI_VERSION_1_2) {
      tty->print_cr("ERROR: JVMPI, an experimental interface, is no longer supported.");
      tty->print_cr("Please use the supported interface: the JVM Tool Interface (JVM TI).");
      ret = JNI_EVERSION;
      return ret;
    } else if (JvmtiExport::is_jvmdi_version(version)) {
      tty->print_cr("FATAL ERROR: JVMDI is no longer supported.");
      tty->print_cr("Please use the supported interface: the JVM Tool Interface (JVM TI).");
      ret = JNI_EVERSION;
      return ret;
    } else {
      *penv = NULL;
      ret = JNI_EVERSION;
      return ret;
    }
  } else {
    *penv = NULL;
    ret = JNI_EDETACHED;
    return ret;
  }
}


jint JNICALL jni_AttachCurrentThreadAsDaemon(JavaVM *vm, void **penv, void *_args) {
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#ifndef USDT2
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  DTRACE_PROBE3(hotspot_jni, AttachCurrentThreadAsDaemon__entry, vm, penv, _args);
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#else /* USDT2 */
  HOTSPOT_JNI_ATTACHCURRENTTHREADASDAEMON_ENTRY(
                                                vm, penv, _args);
#endif /* USDT2 */
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  if (!vm_created) {
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#ifndef USDT2
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    DTRACE_PROBE1(hotspot_jni, AttachCurrentThreadAsDaemon__return, JNI_ERR);
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#else /* USDT2 */
  HOTSPOT_JNI_ATTACHCURRENTTHREADASDAEMON_RETURN(
                                                 (uint32_t) JNI_ERR);
#endif /* USDT2 */
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    return JNI_ERR;
  }

  JNIWrapper("AttachCurrentThreadAsDaemon");
  jint ret = attach_current_thread(vm, penv, _args, true);
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#ifndef USDT2
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  DTRACE_PROBE1(hotspot_jni, AttachCurrentThreadAsDaemon__return, ret);
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#else /* USDT2 */
  HOTSPOT_JNI_ATTACHCURRENTTHREADASDAEMON_RETURN(
                                                 ret);
#endif /* USDT2 */
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  return ret;
}


} // End extern "C"

const struct JNIInvokeInterface_ jni_InvokeInterface = {
    NULL,
    NULL,
    NULL,

    jni_DestroyJavaVM,
    jni_AttachCurrentThread,
    jni_DetachCurrentThread,
    jni_GetEnv,
    jni_AttachCurrentThreadAsDaemon
};