8003853: specify offset of IC load in java_to_interp stub

Summary: refactored code to allow platform-specific differences
Reviewed-by: dlong, twisti
Contributed-by: NGoetz Lindenmaier <goetz.lindenmaier@sap.com>

src/cpu/sparc/vm/compiledIC_sparc.cpp

+/*
+ * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
+ * 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.
+ *
+ * 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.
+ *
+ */
+
+#include "precompiled.hpp"
+#include "asm/macroAssembler.inline.hpp"
+#include "code/compiledIC.hpp"
+#include "code/icBuffer.hpp"
+#include "code/nmethod.hpp"
+#include "memory/resourceArea.hpp"
+#include "runtime/mutexLocker.hpp"
+#include "runtime/safepoint.hpp"
+#ifdef COMPILER2
+#include "opto/matcher.hpp"
+#endif
+
+// Release the CompiledICHolder* associated with this call site is there is one.
+void CompiledIC::cleanup_call_site(virtual_call_Relocation* call_site) {
+  // This call site might have become stale so inspect it carefully.
+  NativeCall* call = nativeCall_at(call_site->addr());
+  if (is_icholder_entry(call->destination())) {
+    NativeMovConstReg* value = nativeMovConstReg_at(call_site->cached_value());
+    InlineCacheBuffer::queue_for_release((CompiledICHolder*)value->data());
+  }
+}
+
+bool CompiledIC::is_icholder_call_site(virtual_call_Relocation* call_site) {
+  // This call site might have become stale so inspect it carefully.
+  NativeCall* call = nativeCall_at(call_site->addr());
+  return is_icholder_entry(call->destination());
+}
+
+//-----------------------------------------------------------------------------
+// High-level access to an inline cache. Guaranteed to be MT-safe.
+
+CompiledIC::CompiledIC(nmethod* nm, NativeCall* call)
+  : _ic_call(call)
+{
+  address ic_call = call->instruction_address();
+
+  assert(ic_call != NULL, "ic_call address must be set");
+  assert(nm != NULL, "must pass nmethod");
+  assert(nm->contains(ic_call), "must be in nmethod");
+
+  // Search for the ic_call at the given address.
+  RelocIterator iter(nm, ic_call, ic_call+1);
+  bool ret = iter.next();
+  assert(ret == true, "relocInfo must exist at this address");
+  assert(iter.addr() == ic_call, "must find ic_call");
+  if (iter.type() == relocInfo::virtual_call_type) {
+    virtual_call_Relocation* r = iter.virtual_call_reloc();
+    _is_optimized = false;
+    _value = nativeMovConstReg_at(r->cached_value());
+  } else {
+    assert(iter.type() == relocInfo::opt_virtual_call_type, "must be a virtual call");
+    _is_optimized = true;
+    _value = NULL;
+  }
+}
+
+// ----------------------------------------------------------------------------
+
+#define __ _masm.
+void CompiledStaticCall::emit_to_interp_stub(CodeBuffer &cbuf) {
+#ifdef COMPILER2
+  // Stub is fixed up when the corresponding call is converted from calling
+  // compiled code to calling interpreted code.
+  // set (empty), G5
+  // jmp -1
+
+  address mark = cbuf.insts_mark();  // Get mark within main instrs section.
+
+  MacroAssembler _masm(&cbuf);
+
+  address base =
+  __ start_a_stub(to_interp_stub_size()*2);
+  if (base == NULL) return;  // CodeBuffer::expand failed.
+
+  // Static stub relocation stores the instruction address of the call.
+  __ relocate(static_stub_Relocation::spec(mark));
+
+  __ set_metadata(NULL, as_Register(Matcher::inline_cache_reg_encode()));
+
+  __ set_inst_mark();
+  AddressLiteral addrlit(-1);
+  __ JUMP(addrlit, G3, 0);
+
+  __ delayed()->nop();
+
+  // Update current stubs pointer and restore code_end.
+  __ end_a_stub();
+#else
+  ShouldNotReachHere();
+#endif
+}
+#undef __
+
+int CompiledStaticCall::to_interp_stub_size() {
+  // This doesn't need to be accurate but it must be larger or equal to
+  // the real size of the stub.
+  return (NativeMovConstReg::instruction_size +  // sethi/setlo;
+          NativeJump::instruction_size + // sethi; jmp; nop
+          (TraceJumps ? 20 * BytesPerInstWord : 0) );
+}
+
+// Relocation entries for call stub, compiled java to interpreter.
+int CompiledStaticCall::reloc_to_interp_stub() {
+  return 10;  // 4 in emit_java_to_interp + 1 in Java_Static_Call
+}
+
+void CompiledStaticCall::set_to_interpreted(methodHandle callee, address entry) {
+  address stub = find_stub();
+  guarantee(stub != NULL, "stub not found");
+
+  if (TraceICs) {
+    ResourceMark rm;
+    tty->print_cr("CompiledStaticCall@" INTPTR_FORMAT ": set_to_interpreted %s",
+                  instruction_address(),
+                  callee->name_and_sig_as_C_string());
+  }
+
+  // Creation also verifies the object.
+  NativeMovConstReg* method_holder = nativeMovConstReg_at(stub);
+  NativeJump*        jump          = nativeJump_at(method_holder->next_instruction_address());
+
+  assert(method_holder->data() == 0 || method_holder->data() == (intptr_t)callee(),
+         "a) MT-unsafe modification of inline cache");
+  assert(jump->jump_destination() == (address)-1 || jump->jump_destination() == entry,
+         "b) MT-unsafe modification of inline cache");
+
+  // Update stub.
+  method_holder->set_data((intptr_t)callee());
+  jump->set_jump_destination(entry);
+
+  // Update jump to call.
+  set_destination_mt_safe(stub);
+}
+
+void CompiledStaticCall::set_stub_to_clean(static_stub_Relocation* static_stub) {
+  assert (CompiledIC_lock->is_locked() || SafepointSynchronize::is_at_safepoint(), "mt unsafe call");
+  // Reset stub.
+  address stub = static_stub->addr();
+  assert(stub != NULL, "stub not found");
+  // Creation also verifies the object.
+  NativeMovConstReg* method_holder = nativeMovConstReg_at(stub);
+  NativeJump*        jump          = nativeJump_at(method_holder->next_instruction_address());
+  method_holder->set_data(0);
+  jump->set_jump_destination((address)-1);
+}
+
+//-----------------------------------------------------------------------------
+// Non-product mode code
+#ifndef PRODUCT
+
+void CompiledStaticCall::verify() {
+  // Verify call.
+  NativeCall::verify();
+  if (os::is_MP()) {
+    verify_alignment();
+  }
+
+  // Verify stub.
+  address stub = find_stub();
+  assert(stub != NULL, "no stub found for static call");
+  // Creation also verifies the object.
+  NativeMovConstReg* method_holder = nativeMovConstReg_at(stub);
+  NativeJump*        jump          = nativeJump_at(method_holder->next_instruction_address());
+
+  // Verify state.
+  assert(is_clean() || is_call_to_compiled() || is_call_to_interpreted(), "sanity check");
+}
+
+#endif // !PRODUCT

src/cpu/sparc/vm/sparc.ad

@@ -1655,53 +1655,6 @@ uint BoxLockNode::size(PhaseRegAlloc *ra_) const {
   return ra_->C->scratch_emit_size(this);
 }
 
-//=============================================================================
-
-// emit call stub, compiled java to interpretor
-void emit_java_to_interp(CodeBuffer &cbuf ) {
-
-  // Stub is fixed up when the corresponding call is converted from calling
-  // compiled code to calling interpreted code.
-  // set (empty), G5
-  // jmp -1
-
-  address mark = cbuf.insts_mark();  // get mark within main instrs section
-
-  MacroAssembler _masm(&cbuf);
-
-  address base =
-  __ start_a_stub(Compile::MAX_stubs_size);
-  if (base == NULL)  return;  // CodeBuffer::expand failed
-
-  // static stub relocation stores the instruction address of the call
-  __ relocate(static_stub_Relocation::spec(mark));
-
-  __ set_metadata(NULL, reg_to_register_object(Matcher::inline_cache_reg_encode()));
-
-  __ set_inst_mark();
-  AddressLiteral addrlit(-1);
-  __ JUMP(addrlit, G3, 0);
-
-  __ delayed()->nop();
-
-  // Update current stubs pointer and restore code_end.
-  __ end_a_stub();
-}
-
-// size of call stub, compiled java to interpretor
-uint size_java_to_interp() {
-  // This doesn't need to be accurate but it must be larger or equal to
-  // the real size of the stub.
-  return (NativeMovConstReg::instruction_size +  // sethi/setlo;
-          NativeJump::instruction_size + // sethi; jmp; nop
-          (TraceJumps ? 20 * BytesPerInstWord : 0) );
-}
-// relocation entries for call stub, compiled java to interpretor
-uint reloc_java_to_interp() {
-  return 10;  // 4 in emit_java_to_interp + 1 in Java_Static_Call
-}
-
-
 //=============================================================================
 #ifndef PRODUCT
 void MachUEPNode::format( PhaseRegAlloc *ra_, outputStream *st ) const {
@@ -2576,15 +2529,15 @@ encode %{
   enc_class Java_Static_Call (method meth) %{    // JAVA STATIC CALL
     // CALL to fixup routine.  Fixup routine uses ScopeDesc info to determine
     // who we intended to call.
-    if ( !_method ) {
+    if (!_method) {
       emit_call_reloc(cbuf, $meth$$method, relocInfo::runtime_call_type);
     } else if (_optimized_virtual) {
       emit_call_reloc(cbuf, $meth$$method, relocInfo::opt_virtual_call_type);
     } else {
       emit_call_reloc(cbuf, $meth$$method, relocInfo::static_call_type);
     }
-    if( _method ) {  // Emit stub for static call
-      emit_java_to_interp(cbuf);
+    if (_method) {  // Emit stub for static call.
+      CompiledStaticCall::emit_to_interp_stub(cbuf);
     }
   %}
 

src/cpu/x86/vm/compiledIC_x86.cpp

+/*
+ * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
+ * 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.
+ *
+ * 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.
+ *
+ */
+
+#include "precompiled.hpp"
+#include "asm/macroAssembler.inline.hpp"
+#include "code/compiledIC.hpp"
+#include "code/icBuffer.hpp"
+#include "code/nmethod.hpp"
+#include "memory/resourceArea.hpp"
+#include "runtime/mutexLocker.hpp"
+#include "runtime/safepoint.hpp"
+
+// Release the CompiledICHolder* associated with this call site is there is one.
+void CompiledIC::cleanup_call_site(virtual_call_Relocation* call_site) {
+  // This call site might have become stale so inspect it carefully.
+  NativeCall* call = nativeCall_at(call_site->addr());
+  if (is_icholder_entry(call->destination())) {
+    NativeMovConstReg* value = nativeMovConstReg_at(call_site->cached_value());
+    InlineCacheBuffer::queue_for_release((CompiledICHolder*)value->data());
+  }
+}
+
+bool CompiledIC::is_icholder_call_site(virtual_call_Relocation* call_site) {
+  // This call site might have become stale so inspect it carefully.
+  NativeCall* call = nativeCall_at(call_site->addr());
+  return is_icholder_entry(call->destination());
+}
+
+//-----------------------------------------------------------------------------
+// High-level access to an inline cache. Guaranteed to be MT-safe.
+
+CompiledIC::CompiledIC(nmethod* nm, NativeCall* call)
+  : _ic_call(call)
+{
+  address ic_call = call->instruction_address();
+
+  assert(ic_call != NULL, "ic_call address must be set");
+  assert(nm != NULL, "must pass nmethod");
+  assert(nm->contains(ic_call), "must be in nmethod");
+
+  // Search for the ic_call at the given address.
+  RelocIterator iter(nm, ic_call, ic_call+1);
+  bool ret = iter.next();
+  assert(ret == true, "relocInfo must exist at this address");
+  assert(iter.addr() == ic_call, "must find ic_call");
+  if (iter.type() == relocInfo::virtual_call_type) {
+    virtual_call_Relocation* r = iter.virtual_call_reloc();
+    _is_optimized = false;
+    _value = nativeMovConstReg_at(r->cached_value());
+  } else {
+    assert(iter.type() == relocInfo::opt_virtual_call_type, "must be a virtual call");
+    _is_optimized = true;
+    _value = NULL;
+  }
+}
+
+// ----------------------------------------------------------------------------
+
+#define __ _masm.
+void CompiledStaticCall::emit_to_interp_stub(CodeBuffer &cbuf) {
+  // Stub is fixed up when the corresponding call is converted from
+  // calling compiled code to calling interpreted code.
+  // movq rbx, 0
+  // jmp -5 # to self
+
+  address mark = cbuf.insts_mark();  // Get mark within main instrs section.
+
+  // Note that the code buffer's insts_mark is always relative to insts.
+  // That's why we must use the macroassembler to generate a stub.
+  MacroAssembler _masm(&cbuf);
+
+  address base =
+  __ start_a_stub(to_interp_stub_size()*2);
+  if (base == NULL) return;  // CodeBuffer::expand failed.
+  // Static stub relocation stores the instruction address of the call.
+  __ relocate(static_stub_Relocation::spec(mark), Assembler::imm_operand);
+  // Static stub relocation also tags the Method* in the code-stream.
+  __ mov_metadata(rbx, (Metadata*) NULL);  // Method is zapped till fixup time.
+  // This is recognized as unresolved by relocs/nativeinst/ic code.
+  __ jump(RuntimeAddress(__ pc()));
+
+  // Update current stubs pointer and restore insts_end.
+  __ end_a_stub();
+}
+#undef __
+
+int CompiledStaticCall::to_interp_stub_size() {
+  return NOT_LP64(10)    // movl; jmp
+         LP64_ONLY(15);  // movq (1+1+8); jmp (1+4)
+}
+
+// Relocation entries for call stub, compiled java to interpreter.
+int CompiledStaticCall::reloc_to_interp_stub() {
+  return 4; // 3 in emit_to_interp_stub + 1 in emit_call
+}
+
+void CompiledStaticCall::set_to_interpreted(methodHandle callee, address entry) {
+  address stub = find_stub();
+  guarantee(stub != NULL, "stub not found");
+
+  if (TraceICs) {
+    ResourceMark rm;
+    tty->print_cr("CompiledStaticCall@" INTPTR_FORMAT ": set_to_interpreted %s",
+                  instruction_address(),
+                  callee->name_and_sig_as_C_string());
+  }
+
+  // Creation also verifies the object.
+  NativeMovConstReg* method_holder = nativeMovConstReg_at(stub);
+  NativeJump*        jump          = nativeJump_at(method_holder->next_instruction_address());
+
+  assert(method_holder->data() == 0 || method_holder->data() == (intptr_t)callee(),
+         "a) MT-unsafe modification of inline cache");
+  assert(jump->jump_destination() == (address)-1 || jump->jump_destination() == entry,
+         "b) MT-unsafe modification of inline cache");
+
+  // Update stub.
+  method_holder->set_data((intptr_t)callee());
+  jump->set_jump_destination(entry);
+
+  // Update jump to call.
+  set_destination_mt_safe(stub);
+}
+
+void CompiledStaticCall::set_stub_to_clean(static_stub_Relocation* static_stub) {
+  assert (CompiledIC_lock->is_locked() || SafepointSynchronize::is_at_safepoint(), "mt unsafe call");
+  // Reset stub.
+  address stub = static_stub->addr();
+  assert(stub != NULL, "stub not found");
+  // Creation also verifies the object.
+  NativeMovConstReg* method_holder = nativeMovConstReg_at(stub);
+  NativeJump*        jump          = nativeJump_at(method_holder->next_instruction_address());
+  method_holder->set_data(0);
+  jump->set_jump_destination((address)-1);
+}
+
+//-----------------------------------------------------------------------------
+// Non-product mode code
+#ifndef PRODUCT
+
+void CompiledStaticCall::verify() {
+  // Verify call.
+  NativeCall::verify();
+  if (os::is_MP()) {
+    verify_alignment();
+  }
+
+  // Verify stub.
+  address stub = find_stub();
+  assert(stub != NULL, "no stub found for static call");
+  // Creation also verifies the object.
+  NativeMovConstReg* method_holder = nativeMovConstReg_at(stub);
+  NativeJump*        jump          = nativeJump_at(method_holder->next_instruction_address());
+
+  // Verify state.
+  assert(is_clean() || is_call_to_compiled() || is_call_to_interpreted(), "sanity check");
+}
+
+#endif // !PRODUCT

src/cpu/x86/vm/x86_32.ad

@@ -1256,43 +1256,6 @@ uint BoxLockNode::size(PhaseRegAlloc *ra_) const {
   }
 }
 
-//=============================================================================
-
-// emit call stub, compiled java to interpreter
-void emit_java_to_interp(CodeBuffer &cbuf ) {
-  // Stub is fixed up when the corresponding call is converted from calling
-  // compiled code to calling interpreted code.
-  // mov rbx,0
-  // jmp -1
-
-  address mark = cbuf.insts_mark();  // get mark within main instrs section
-
-  // Note that the code buffer's insts_mark is always relative to insts.
-  // That's why we must use the macroassembler to generate a stub.
-  MacroAssembler _masm(&cbuf);
-
-  address base =
-  __ start_a_stub(Compile::MAX_stubs_size);
-  if (base == NULL)  return;  // CodeBuffer::expand failed
-  // static stub relocation stores the instruction address of the call
-  __ relocate(static_stub_Relocation::spec(mark), RELOC_IMM32);
-  // static stub relocation also tags the Method* in the code-stream.
-  __ mov_metadata(rbx, (Metadata*)NULL);  // method is zapped till fixup time
-  // This is recognized as unresolved by relocs/nativeInst/ic code
-  __ jump(RuntimeAddress(__ pc()));
-
-  __ end_a_stub();
-  // Update current stubs pointer and restore insts_end.
-}
-// size of call stub, compiled java to interpretor
-uint size_java_to_interp() {
-  return 10;  // movl; jmp
-}
-// relocation entries for call stub, compiled java to interpretor
-uint reloc_java_to_interp() {
-  return 4;  // 3 in emit_java_to_interp + 1 in Java_Static_Call
-}
-
 //=============================================================================
 #ifndef PRODUCT
 void MachUEPNode::format( PhaseRegAlloc *ra_, outputStream* st ) const {
@@ -1909,8 +1872,8 @@ encode %{
       emit_d32_reloc(cbuf, ($meth$$method - (int)(cbuf.insts_end()) - 4),
                      static_call_Relocation::spec(), RELOC_IMM32 );
     }
-    if (_method) {  // Emit stub for static call
-      emit_java_to_interp(cbuf);
+    if (_method) {  // Emit stub for static call.
+      CompiledStaticCall::emit_to_interp_stub(cbuf);
     }
   %}
 

src/cpu/x86/vm/x86_64.ad

@@ -1387,48 +1387,6 @@ uint BoxLockNode::size(PhaseRegAlloc *ra_) const
   return (offset < 0x80) ? 5 : 8; // REX
 }
 
-//=============================================================================
-
-// emit call stub, compiled java to interpreter
-void emit_java_to_interp(CodeBuffer& cbuf)
-{
-  // Stub is fixed up when the corresponding call is converted from
-  // calling compiled code to calling interpreted code.
-  // movq rbx, 0
-  // jmp -5 # to self
-
-  address mark = cbuf.insts_mark();  // get mark within main instrs section
-
-  // Note that the code buffer's insts_mark is always relative to insts.
-  // That's why we must use the macroassembler to generate a stub.
-  MacroAssembler _masm(&cbuf);
-
-  address base =
-  __ start_a_stub(Compile::MAX_stubs_size);
-  if (base == NULL)  return;  // CodeBuffer::expand failed
-  // static stub relocation stores the instruction address of the call
-  __ relocate(static_stub_Relocation::spec(mark), RELOC_IMM64);
-  // static stub relocation also tags the Method* in the code-stream.
-  __ mov_metadata(rbx, (Metadata*) NULL);  // method is zapped till fixup time
-  // This is recognized as unresolved by relocs/nativeinst/ic code
-  __ jump(RuntimeAddress(__ pc()));
-
-  // Update current stubs pointer and restore insts_end.
-  __ end_a_stub();
-}
-
-// size of call stub, compiled java to interpretor
-uint size_java_to_interp()
-{
-  return 15;  // movq (1+1+8); jmp (1+4)
-}
-
-// relocation entries for call stub, compiled java to interpretor
-uint reloc_java_to_interp()
-{
-  return 4; // 3 in emit_java_to_interp + 1 in Java_Static_Call
-}
-
 //=============================================================================
 #ifndef PRODUCT
 void MachUEPNode::format(PhaseRegAlloc* ra_, outputStream* st) const
@@ -2089,8 +2047,8 @@ encode %{
                      RELOC_DISP32);
     }
     if (_method) {
-      // Emit stub for static call
-      emit_java_to_interp(cbuf);
+      // Emit stub for static call.
+      CompiledStaticCall::emit_to_interp_stub(cbuf);
     }
   %}
 

src/cpu/zero/vm/compiledIC_zero.cpp

+/*
+ * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
+ * 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.
+ *
+ * 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.
+ *
+ */
+
+#include "precompiled.hpp"
+#include "classfile/systemDictionary.hpp"
+#include "code/codeCache.hpp"
+#include "code/compiledIC.hpp"
+#include "code/icBuffer.hpp"
+#include "code/nmethod.hpp"
+#include "code/vtableStubs.hpp"
+#include "interpreter/interpreter.hpp"
+#include "interpreter/linkResolver.hpp"
+#include "memory/metadataFactory.hpp"
+#include "memory/oopFactory.hpp"
+#include "oops/method.hpp"
+#include "oops/oop.inline.hpp"
+#include "oops/symbol.hpp"
+#include "runtime/icache.hpp"
+#include "runtime/sharedRuntime.hpp"
+#include "runtime/stubRoutines.hpp"
+#include "utilities/events.hpp"
+
+
+// Release the CompiledICHolder* associated with this call site is there is one.
+void CompiledIC::cleanup_call_site(virtual_call_Relocation* call_site) {
+  // This call site might have become stale so inspect it carefully.
+  NativeCall* call = nativeCall_at(call_site->addr());
+  if (is_icholder_entry(call->destination())) {
+    NativeMovConstReg* value = nativeMovConstReg_at(call_site->cached_value());
+    InlineCacheBuffer::queue_for_release((CompiledICHolder*)value->data());
+  }
+}
+
+bool CompiledIC::is_icholder_call_site(virtual_call_Relocation* call_site) {
+  // This call site might have become stale so inspect it carefully.
+  NativeCall* call = nativeCall_at(call_site->addr());
+  return is_icholder_entry(call->destination());
+}
+
+//-----------------------------------------------------------------------------
+// High-level access to an inline cache. Guaranteed to be MT-safe.
+
+CompiledIC::CompiledIC(nmethod* nm, NativeCall* call)
+  : _ic_call(call)
+{
+  address ic_call = call->instruction_address();
+
+  assert(ic_call != NULL, "ic_call address must be set");
+  assert(nm != NULL, "must pass nmethod");
+  assert(nm->contains(ic_call), "must be in nmethod");
+
+  // Search for the ic_call at the given address.
+  RelocIterator iter(nm, ic_call, ic_call+1);
+  bool ret = iter.next();
+  assert(ret == true, "relocInfo must exist at this address");
+  assert(iter.addr() == ic_call, "must find ic_call");
+  if (iter.type() == relocInfo::virtual_call_type) {
+    virtual_call_Relocation* r = iter.virtual_call_reloc();
+    _is_optimized = false;
+    _value = nativeMovConstReg_at(r->cached_value());
+  } else {
+    assert(iter.type() == relocInfo::opt_virtual_call_type, "must be a virtual call");
+    _is_optimized = true;
+    _value = NULL;
+  }
+}
+
+// ----------------------------------------------------------------------------
+
+void CompiledStaticCall::emit_to_interp_stub(CodeBuffer &cbuf) {
+  ShouldNotReachHere(); // Only needed for COMPILER2.
+}
+
+int CompiledStaticCall::to_interp_stub_size() {
+  ShouldNotReachHere(); // Only needed for COMPILER2.
+  return 0;
+}
+
+// Relocation entries for call stub, compiled java to interpreter.
+int CompiledStaticCall::reloc_to_interp_stub() {
+  ShouldNotReachHere(); // Only needed for COMPILER2.
+  return 0;
+}
+
+void CompiledStaticCall::set_to_interpreted(methodHandle callee, address entry) {
+  ShouldNotReachHere(); // Only needed for COMPILER2.
+}
+
+void CompiledStaticCall::set_stub_to_clean(static_stub_Relocation* static_stub) {
+  ShouldNotReachHere(); // Only needed for COMPILER2.
+}
+
+//-----------------------------------------------------------------------------
+// Non-product mode code.
+#ifndef PRODUCT
+
+void CompiledStaticCall::verify() {
+  ShouldNotReachHere(); // Only needed for COMPILER2.
+}
+
+#endif // !PRODUCT

src/share/vm/adlc/main.cpp

@@ -213,6 +213,7 @@ int main(int argc, char *argv[])
   AD.addInclude(AD._CPP_file, "adfiles", get_basename(AD._HPP_file._name));
   AD.addInclude(AD._CPP_file, "memory/allocation.inline.hpp");
   AD.addInclude(AD._CPP_file, "asm/macroAssembler.inline.hpp");
+  AD.addInclude(AD._CPP_file, "code/compiledIC.hpp");
   AD.addInclude(AD._CPP_file, "code/vmreg.hpp");
   AD.addInclude(AD._CPP_file, "gc_interface/collectedHeap.inline.hpp");
   AD.addInclude(AD._CPP_file, "oops/compiledICHolder.hpp");

src/share/vm/code/compiledIC.cpp

@@ -45,25 +45,6 @@
 // Every time a compiled IC is changed or its type is being accessed,
 // either the CompiledIC_lock must be set or we must be at a safe point.
 
-
-// Release the CompiledICHolder* associated with this call site is there is one.
-void CompiledIC::cleanup_call_site(virtual_call_Relocation* call_site) {
-  // This call site might have become stale so inspect it carefully.
-  NativeCall* call = nativeCall_at(call_site->addr());
-  if (is_icholder_entry(call->destination())) {
-    NativeMovConstReg* value = nativeMovConstReg_at(call_site->cached_value());
-    InlineCacheBuffer::queue_for_release((CompiledICHolder*)value->data());
-  }
-}
-
-
-bool CompiledIC::is_icholder_call_site(virtual_call_Relocation* call_site) {
-  // This call site might have become stale so inspect it carefully.
-  NativeCall* call = nativeCall_at(call_site->addr());
-  return is_icholder_entry(call->destination());
-}
-
-
 //-----------------------------------------------------------------------------
 // Low-level access to an inline cache. Private, since they might not be
 // MT-safe to use.
@@ -488,33 +469,6 @@ bool CompiledIC::is_icholder_entry(address entry) {
   return (cb != NULL && cb->is_adapter_blob());
 }
 
-
-CompiledIC::CompiledIC(nmethod* nm, NativeCall* call)
-  : _ic_call(call)
-{
-  address ic_call = call->instruction_address();
-
-  assert(ic_call != NULL, "ic_call address must be set");
-  assert(nm != NULL, "must pass nmethod");
-  assert(nm->contains(ic_call),   "must be in nmethod");
-
-  // search for the ic_call at the given address
-  RelocIterator iter(nm, ic_call, ic_call+1);
-  bool ret = iter.next();
-  assert(ret == true, "relocInfo must exist at this address");
-  assert(iter.addr() == ic_call, "must find ic_call");
-  if (iter.type() == relocInfo::virtual_call_type) {
-    virtual_call_Relocation* r = iter.virtual_call_reloc();
-    _is_optimized = false;
-    _value = nativeMovConstReg_at(r->cached_value());
-  } else {
-    assert(iter.type() == relocInfo::opt_virtual_call_type, "must be a virtual call");
-    _is_optimized = true;
-    _value = NULL;
-}
-}
-
-
 // ----------------------------------------------------------------------------
 
 void CompiledStaticCall::set_to_clean() {
@@ -549,33 +503,6 @@ bool CompiledStaticCall::is_call_to_interpreted() const {
   return nm->stub_contains(destination());
 }
 
-
-void CompiledStaticCall::set_to_interpreted(methodHandle callee, address entry) {
-  address stub=find_stub();
-  guarantee(stub != NULL, "stub not found");
-
-  if (TraceICs) {
-    ResourceMark rm;
-    tty->print_cr("CompiledStaticCall@" INTPTR_FORMAT ": set_to_interpreted %s",
-                  instruction_address(),
-                  callee->name_and_sig_as_C_string());
-  }
-
-  NativeMovConstReg* method_holder = nativeMovConstReg_at(stub);   // creation also verifies the object
-  NativeJump*        jump          = nativeJump_at(method_holder->next_instruction_address());
-
-  assert(method_holder->data()    == 0           || method_holder->data()    == (intptr_t)callee(), "a) MT-unsafe modification of inline cache");
-  assert(jump->jump_destination() == (address)-1 || jump->jump_destination() == entry, "b) MT-unsafe modification of inline cache");
-
-  // Update stub
-  method_holder->set_data((intptr_t)callee());
-  jump->set_jump_destination(entry);
-
-  // Update jump to call
-  set_destination_mt_safe(stub);
-}
-
-
 void CompiledStaticCall::set(const StaticCallInfo& info) {
   assert (CompiledIC_lock->is_locked() || SafepointSynchronize::is_at_safepoint(), "mt unsafe call");
   MutexLockerEx pl(Patching_lock, Mutex::_no_safepoint_check_flag);
@@ -618,19 +545,6 @@ void CompiledStaticCall::compute_entry(methodHandle m, StaticCallInfo& info) {
   }
 }
 
-
-void CompiledStaticCall::set_stub_to_clean(static_stub_Relocation* static_stub) {
-  assert (CompiledIC_lock->is_locked() || SafepointSynchronize::is_at_safepoint(), "mt unsafe call");
-  // Reset stub
-  address stub = static_stub->addr();
-  assert(stub!=NULL, "stub not found");
-  NativeMovConstReg* method_holder = nativeMovConstReg_at(stub);   // creation also verifies the object
-  NativeJump*        jump          = nativeJump_at(method_holder->next_instruction_address());
-  method_holder->set_data(0);
-  jump->set_jump_destination((address)-1);
-}
-
-
 address CompiledStaticCall::find_stub() {
   // Find reloc. information containing this call-site
   RelocIterator iter((nmethod*)NULL, instruction_address());
@@ -668,19 +582,16 @@ void CompiledIC::verify() {
           || is_optimized() || is_megamorphic(), "sanity check");
 }
 
-
 void CompiledIC::print() {
   print_compiled_ic();
   tty->cr();
 }
 
-
 void CompiledIC::print_compiled_ic() {
   tty->print("Inline cache at " INTPTR_FORMAT ", calling %s " INTPTR_FORMAT " cached_value " INTPTR_FORMAT,
              instruction_address(), is_call_to_interpreted() ? "interpreted " : "", ic_destination(), is_optimized() ? NULL : cached_value());
 }
 
-
 void CompiledStaticCall::print() {
   tty->print("static call at " INTPTR_FORMAT " -> ", instruction_address());
   if (is_clean()) {
@@ -693,21 +604,4 @@ void CompiledStaticCall::print() {
   tty->cr();
 }
 
-void CompiledStaticCall::verify() {
-  // Verify call
-  NativeCall::verify();
-  if (os::is_MP()) {
-    verify_alignment();
-  }
-
-  // Verify stub
-  address stub = find_stub();
-  assert(stub != NULL, "no stub found for static call");
-  NativeMovConstReg* method_holder = nativeMovConstReg_at(stub);   // creation also verifies the object
-  NativeJump*        jump          = nativeJump_at(method_holder->next_instruction_address());
-
-  // Verify state
-  assert(is_clean() || is_call_to_compiled() || is_call_to_interpreted(), "sanity check");
-}
-
-#endif
+#endif // !PRODUCT

src/share/vm/code/compiledIC.hpp

@@ -304,6 +304,11 @@ class CompiledStaticCall: public NativeCall {
   friend CompiledStaticCall* compiledStaticCall_at(address native_call);
   friend CompiledStaticCall* compiledStaticCall_at(Relocation* call_site);
 
+  // Code
+  static void emit_to_interp_stub(CodeBuffer &cbuf);
+  static int to_interp_stub_size();
+  static int reloc_to_interp_stub();
+
   // State
   bool is_clean() const;
   bool is_call_to_compiled() const;

src/share/vm/opto/output.cpp

@@ -24,6 +24,7 @@
 
 #include "precompiled.hpp"
 #include "asm/assembler.inline.hpp"
+#include "code/compiledIC.hpp"
 #include "code/debugInfo.hpp"
 #include "code/debugInfoRec.hpp"
 #include "compiler/compileBroker.hpp"
@@ -41,8 +42,6 @@
 #include "runtime/handles.inline.hpp"
 #include "utilities/xmlstream.hpp"
 
-extern uint size_java_to_interp();
-extern uint reloc_java_to_interp();
 extern uint size_exception_handler();
 extern uint size_deopt_handler();
 
@@ -389,15 +388,15 @@ void Compile::shorten_branches(uint* blk_starts, int& code_size, int& reloc_size
         MachNode *mach = nj->as_Mach();
         blk_size += (mach->alignment_required() - 1) * relocInfo::addr_unit(); // assume worst case padding
         reloc_size += mach->reloc();
-        if( mach->is_MachCall() ) {
+        if (mach->is_MachCall()) {
           MachCallNode *mcall = mach->as_MachCall();
           // This destination address is NOT PC-relative
 
           mcall->method_set((intptr_t)mcall->entry_point());
 
-          if( mcall->is_MachCallJava() && mcall->as_MachCallJava()->_method ) {
-            stub_size  += size_java_to_interp();
-            reloc_size += reloc_java_to_interp();
+          if (mcall->is_MachCallJava() && mcall->as_MachCallJava()->_method) {
+            stub_size  += CompiledStaticCall::to_interp_stub_size();
+            reloc_size += CompiledStaticCall::reloc_to_interp_stub();
           }
         } else if (mach->is_MachSafePoint()) {
           // If call/safepoint are adjacent, account for possible