Merge

src/share/vm/code/codeBlob.hpp

@@ -204,7 +204,8 @@ class CodeBlob VALUE_OBJ_CLASS_SPEC {
   virtual void print_value_on(outputStream* st) const PRODUCT_RETURN;
 
   // Print the comment associated with offset on stream, if there is one
-  void print_block_comment(outputStream* stream, intptr_t offset) {
+  virtual void print_block_comment(outputStream* stream, address block_begin) {
+    intptr_t offset = (intptr_t)(block_begin - instructions_begin());
     _comments.print_block_comment(stream, offset);
   }
 

src/share/vm/code/nmethod.cpp

@@ -56,13 +56,13 @@ HS_DTRACE_PROBE_DECL6(hotspot, compiled__method__unload,
 #endif
 
 bool nmethod::is_compiled_by_c1() const {
+  if (compiler() == NULL || method() == NULL)  return false;  // can happen during debug printing
   if (is_native_method()) return false;
-  assert(compiler() != NULL, "must be");
   return compiler()->is_c1();
 }
 bool nmethod::is_compiled_by_c2() const {
+  if (compiler() == NULL || method() == NULL)  return false;  // can happen during debug printing
   if (is_native_method()) return false;
-  assert(compiler() != NULL, "must be");
   return compiler()->is_c2();
 }
 
@@ -2399,6 +2399,107 @@ ScopeDesc* nmethod::scope_desc_in(address begin, address end) {
   return NULL;
 }
 
+void nmethod::print_nmethod_labels(outputStream* stream, address block_begin) {
+  if (block_begin == entry_point())             stream->print_cr("[Entry Point]");
+  if (block_begin == verified_entry_point())    stream->print_cr("[Verified Entry Point]");
+  if (block_begin == exception_begin())         stream->print_cr("[Exception Handler]");
+  if (block_begin == stub_begin())              stream->print_cr("[Stub Code]");
+  if (block_begin == consts_begin())            stream->print_cr("[Constants]");
+  if (block_begin == entry_point()) {
+    methodHandle m = method();
+    if (m.not_null()) {
+      stream->print("  # ");
+      m->print_value_on(stream);
+      stream->cr();
+    }
+    if (m.not_null() && !is_osr_method()) {
+      ResourceMark rm;
+      int sizeargs = m->size_of_parameters();
+      BasicType* sig_bt = NEW_RESOURCE_ARRAY(BasicType, sizeargs);
+      VMRegPair* regs   = NEW_RESOURCE_ARRAY(VMRegPair, sizeargs);
+      {
+        int sig_index = 0;
+        if (!m->is_static())
+          sig_bt[sig_index++] = T_OBJECT; // 'this'
+        for (SignatureStream ss(m->signature()); !ss.at_return_type(); ss.next()) {
+          BasicType t = ss.type();
+          sig_bt[sig_index++] = t;
+          if (type2size[t] == 2) {
+            sig_bt[sig_index++] = T_VOID;
+          } else {
+            assert(type2size[t] == 1, "size is 1 or 2");
+          }
+        }
+        assert(sig_index == sizeargs, "");
+      }
+      const char* spname = "sp"; // make arch-specific?
+      intptr_t out_preserve = SharedRuntime::java_calling_convention(sig_bt, regs, sizeargs, false);
+      int stack_slot_offset = this->frame_size() * wordSize;
+      int tab1 = 14, tab2 = 24;
+      int sig_index = 0;
+      int arg_index = (m->is_static() ? 0 : -1);
+      bool did_old_sp = false;
+      for (SignatureStream ss(m->signature()); !ss.at_return_type(); ) {
+        bool at_this = (arg_index == -1);
+        bool at_old_sp = false;
+        BasicType t = (at_this ? T_OBJECT : ss.type());
+        assert(t == sig_bt[sig_index], "sigs in sync");
+        if (at_this)
+          stream->print("  # this: ");
+        else
+          stream->print("  # parm%d: ", arg_index);
+        stream->move_to(tab1);
+        VMReg fst = regs[sig_index].first();
+        VMReg snd = regs[sig_index].second();
+        if (fst->is_reg()) {
+          stream->print("%s", fst->name());
+          if (snd->is_valid())  {
+            stream->print(":%s", snd->name());
+          }
+        } else if (fst->is_stack()) {
+          int offset = fst->reg2stack() * VMRegImpl::stack_slot_size + stack_slot_offset;
+          if (offset == stack_slot_offset)  at_old_sp = true;
+          stream->print("[%s+0x%x]", spname, offset);
+        } else {
+          stream->print("reg%d:%d??", (int)(intptr_t)fst, (int)(intptr_t)snd);
+        }
+        stream->print(" ");
+        stream->move_to(tab2);
+        stream->print("= ");
+        if (at_this) {
+          m->method_holder()->print_value_on(stream);
+        } else {
+          bool did_name = false;
+          if (!at_this && ss.is_object()) {
+            symbolOop name = ss.as_symbol_or_null();
+            if (name != NULL) {
+              name->print_value_on(stream);
+              did_name = true;
+            }
+          }
+          if (!did_name)
+            stream->print("%s", type2name(t));
+        }
+        if (at_old_sp) {
+          stream->print("  (%s of caller)", spname);
+          did_old_sp = true;
+        }
+        stream->cr();
+        sig_index += type2size[t];
+        arg_index += 1;
+        if (!at_this)  ss.next();
+      }
+      if (!did_old_sp) {
+        stream->print("  # ");
+        stream->move_to(tab1);
+        stream->print("[%s+0x%x]", spname, stack_slot_offset);
+        stream->print("  (%s of caller)", spname);
+        stream->cr();
+      }
+    }
+  }
+}
+
 void nmethod::print_code_comment_on(outputStream* st, int column, u_char* begin, u_char* end) {
   // First, find an oopmap in (begin, end].
   // We use the odd half-closed interval so that oop maps and scope descs

src/share/vm/code/nmethod.hpp

@@ -576,6 +576,13 @@ class nmethod : public CodeBlob {
   void log_new_nmethod() const;
   void log_state_change() const;
 
+  // Prints block-level comments, including nmethod specific block labels:
+  virtual void print_block_comment(outputStream* stream, address block_begin) {
+    print_nmethod_labels(stream, block_begin);
+    CodeBlob::print_block_comment(stream, block_begin);
+  }
+  void print_nmethod_labels(outputStream* stream, address block_begin);
+
   // Prints a comment for one native instruction (reloc info, pc desc)
   void print_code_comment_on(outputStream* st, int column, address begin, address end);
   static void print_statistics()                  PRODUCT_RETURN;

src/share/vm/compiler/compilerOracle.cpp

@@ -392,18 +392,18 @@ static const char* patterns[] = {
 };
 
 static MethodMatcher::Mode check_mode(char name[], const char*& error_msg) {
-  if (strcmp(name, "*") == 0) return MethodMatcher::Any;
-
   int match = MethodMatcher::Exact;
-  if (name[0] == '*') {
+  while (name[0] == '*') {
     match |= MethodMatcher::Suffix;
     strcpy(name, name + 1);
   }
 
+  if (strcmp(name, "*") == 0) return MethodMatcher::Any;
+
   size_t len = strlen(name);
-  if (len > 0 && name[len - 1] == '*') {
+  while (len > 0 && name[len - 1] == '*') {
     match |= MethodMatcher::Prefix;
-    name[len - 1] = '\0';
+    name[--len] = '\0';
   }
 
   if (strstr(name, "*") != NULL) {
@@ -610,6 +610,14 @@ void compilerOracle_init() {
   CompilerOracle::parse_from_string(CompileCommand, CompilerOracle::parse_from_line);
   CompilerOracle::parse_from_string(CompileOnly, CompilerOracle::parse_compile_only);
   CompilerOracle::parse_from_file();
+  if (lists[PrintCommand] != NULL) {
+    if (PrintAssembly) {
+      warning("CompileCommand and/or .hotspot_compiler file contains 'print' commands, but PrintAssembly is also enabled");
+    } else if (FLAG_IS_DEFAULT(DebugNonSafepoints)) {
+      warning("printing of assembly code is enabled; turning on DebugNonSafepoints to gain additional output");
+      DebugNonSafepoints = true;
+    }
+  }
 }
 
 

src/share/vm/compiler/disassembler.cpp

@@ -151,8 +151,10 @@ class decode_env {
     outputStream* st = output();
     if (_print_bytes && pc > pc0)
       print_insn_bytes(pc0, pc);
-    if (_nm != NULL)
+    if (_nm != NULL) {
       _nm->print_code_comment_on(st, COMMENT_COLUMN, pc0, pc);
+      // this calls reloc_string_for which calls oop::print_value_on
+    }
 
     // Output pc bucket ticks if we have any
     if (total_ticks() != 0) {
@@ -273,8 +275,15 @@ void decode_env::print_address(address adr) {
     oop obj;
     if (_nm != NULL
         && (obj = _nm->embeddedOop_at(cur_insn())) != NULL
-        && (address) obj == adr) {
+        && (address) obj == adr
+        && Universe::heap()->is_in(obj)
+        && Universe::heap()->is_in(obj->klass())) {
+      julong c = st->count();
       obj->print_value_on(st);
+      if (st->count() == c) {
+        // No output.  (Can happen in product builds.)
+        st->print("(a %s)", Klass::cast(obj->klass())->external_name());
+      }
       return;
     }
   }
@@ -286,17 +295,9 @@ void decode_env::print_address(address adr) {
 void decode_env::print_insn_labels() {
   address p = cur_insn();
   outputStream* st = output();
-  nmethod* nm = _nm;
-  if (nm != NULL) {
-    if (p == nm->entry_point())             st->print_cr("[Entry Point]");
-    if (p == nm->verified_entry_point())    st->print_cr("[Verified Entry Point]");
-    if (p == nm->exception_begin())         st->print_cr("[Exception Handler]");
-    if (p == nm->stub_begin())              st->print_cr("[Stub Code]");
-    if (p == nm->consts_begin())            st->print_cr("[Constants]");
-  }
   CodeBlob* cb = _code;
   if (cb != NULL) {
-    cb->print_block_comment(st, (intptr_t)(p - cb->instructions_begin()));
+    cb->print_block_comment(st, p);
   }
   if (_print_pc) {
     st->print("  " INTPTR_FORMAT ": ", (intptr_t) p);

src/share/vm/includeDB_core

@@ -1525,6 +1525,7 @@ disassembler.cpp                        disassembler.hpp
 disassembler.cpp                        fprofiler.hpp
 disassembler.cpp                        handles.inline.hpp
 disassembler.cpp                        hpi.hpp
+disassembler.cpp                        javaClasses.hpp
 disassembler.cpp                        stubCodeGenerator.hpp
 disassembler.cpp                        stubRoutines.hpp
 

src/share/vm/memory/genCollectedHeap.cpp

@@ -925,6 +925,8 @@ bool GenCollectedHeap::is_in(const void* p) const {
   guarantee(VerifyBeforeGC   ||
             VerifyDuringGC   ||
             VerifyBeforeExit ||
+            PrintAssembly    ||
+            tty->count() != 0 ||   // already printing
             VerifyAfterGC, "too expensive");
   #endif
   // This might be sped up with a cache of the last generation that

src/share/vm/oops/arrayKlassKlass.cpp

@@ -159,7 +159,7 @@ void arrayKlassKlass::oop_print_on(oop obj, outputStream* st) {
   assert(obj->is_klass(), "must be klass");
   klassKlass::oop_print_on(obj, st);
 }
-
+#endif //PRODUCT
 
 void arrayKlassKlass::oop_print_value_on(oop obj, outputStream* st) {
   assert(obj->is_klass(), "must be klass");
@@ -168,7 +168,6 @@ void arrayKlassKlass::oop_print_value_on(oop obj, outputStream* st) {
     st->print("[]");
   }
 }
-#endif
 
 
 const char* arrayKlassKlass::internal_name() const {

src/share/vm/oops/arrayKlassKlass.hpp

@@ -55,14 +55,13 @@ class arrayKlassKlass : public klassKlass {
   int oop_oop_iterate(oop obj, OopClosure* blk);
   int oop_oop_iterate_m(oop obj, OopClosure* blk, MemRegion mr);
 
-#ifndef PRODUCT
  public:
   // Printing
-  void oop_print_on(oop obj, outputStream* st);
   void oop_print_value_on(oop obj, outputStream* st);
-#endif
+#ifndef PRODUCT
+  void oop_print_on(oop obj, outputStream* st);
+#endif //PRODUCT
 
- public:
   // Verification
   const char* internal_name() const;
   void oop_verify_on(oop obj, outputStream* st);

src/share/vm/oops/compiledICHolderKlass.cpp

@@ -166,12 +166,12 @@ void compiledICHolderKlass::oop_print_on(oop obj, outputStream* st) {
   st->print(" - klass:  "); c->holder_klass()->print_value_on(st); st->cr();
 }
 
+#endif //PRODUCT
 
 void compiledICHolderKlass::oop_print_value_on(oop obj, outputStream* st) {
   assert(obj->is_compiledICHolder(), "must be compiledICHolder");
   Klass::oop_print_value_on(obj, st);
 }
-#endif
 
 const char* compiledICHolderKlass::internal_name() const {
   return "{compiledICHolder}";

src/share/vm/oops/compiledICHolderKlass.hpp

@@ -68,14 +68,13 @@ class compiledICHolderKlass : public Klass {
   int  oop_oop_iterate(oop obj, OopClosure* blk);
   int  oop_oop_iterate_m(oop obj, OopClosure* blk, MemRegion mr);
 
-#ifndef PRODUCT
  public:
   // Printing
-  void oop_print_on      (oop obj, outputStream* st);
   void oop_print_value_on(oop obj, outputStream* st);
-#endif
+#ifndef PRODUCT
+  void oop_print_on      (oop obj, outputStream* st);
+#endif //PRODUCT
 
- public:
   // Verification
   const char* internal_name() const;
   void oop_verify_on(oop obj, outputStream* st);

src/share/vm/oops/constMethodKlass.cpp

@@ -216,6 +216,7 @@ void constMethodKlass::oop_print_on(oop obj, outputStream* st) {
   }
 }
 
+#endif //PRODUCT
 
 // Short version of printing constMethodOop - just print the name of the
 // method it belongs to.
@@ -226,8 +227,6 @@ void constMethodKlass::oop_print_value_on(oop obj, outputStream* st) {
   m->method()->print_value_on(st);
 }
 
-#endif // PRODUCT
-
 const char* constMethodKlass::internal_name() const {
   return "{constMethod}";
 }

src/share/vm/oops/constMethodKlass.hpp

@@ -77,15 +77,13 @@ public:
   int oop_oop_iterate(oop obj, OopClosure* blk);
   int oop_oop_iterate_m(oop obj, OopClosure* blk, MemRegion mr);
 
-#ifndef PRODUCT
  public:
   // Printing
-  void oop_print_on      (oop obj, outputStream* st);
   void oop_print_value_on(oop obj, outputStream* st);
+#ifndef PRODUCT
+  void oop_print_on      (oop obj, outputStream* st);
+#endif //PRODUCT
 
-#endif
-
- public:
   // Verify operations
   const char* internal_name() const;
   void oop_verify_on(oop obj, outputStream* st);

src/share/vm/oops/constantPoolKlass.cpp

@@ -387,9 +387,19 @@ void constantPoolKlass::oop_print_on(oop obj, outputStream* st) {
   cp->set_cache(cache());
 }
 
-
 #endif
 
+void constantPoolKlass::oop_print_value_on(oop obj, outputStream* st) {
+  assert(obj->is_constantPool(), "must be constantPool");
+  constantPoolOop cp = constantPoolOop(obj);
+  st->print("constant pool [%d]", cp->length());
+  if (cp->has_pseudo_string()) st->print("/pseudo_string");
+  if (cp->has_invokedynamic()) st->print("/invokedynamic");
+  cp->print_address_on(st);
+  st->print(" for ");
+  cp->pool_holder()->print_value_on(st);
+}
+
 const char* constantPoolKlass::internal_name() const {
   return "{constant pool}";
 }

src/share/vm/oops/constantPoolKlass.hpp

@@ -65,9 +65,10 @@ class constantPoolKlass : public Klass {
   juint alloc_size() const              { return _alloc_size; }
   void set_alloc_size(juint n)          { _alloc_size = n; }
 
-#ifndef PRODUCT
  public:
   // Printing
+  void oop_print_value_on(oop obj, outputStream* st);
+#ifndef PRODUCT
   void oop_print_on(oop obj, outputStream* st);
 #endif
 

src/share/vm/oops/cpCacheKlass.cpp

@@ -261,6 +261,15 @@ void constantPoolCacheKlass::oop_print_on(oop obj, outputStream* st) {
 
 #endif
 
+void constantPoolCacheKlass::oop_print_value_on(oop obj, outputStream* st) {
+  assert(obj->is_constantPoolCache(), "obj must be constant pool cache");
+  constantPoolCacheOop cache = (constantPoolCacheOop)obj;
+  st->print("cache [%d]", cache->length());
+  cache->print_address_on(st);
+  st->print(" for ");
+  cache->constant_pool()->print_value_on(st);
+}
+
 void constantPoolCacheKlass::oop_verify_on(oop obj, outputStream* st) {
   guarantee(obj->is_constantPoolCache(), "obj must be constant pool cache");
   constantPoolCacheOop cache = (constantPoolCacheOop)obj;

src/share/vm/oops/cpCacheKlass.hpp

@@ -61,9 +61,10 @@ class constantPoolCacheKlass: public Klass {
   juint alloc_size() const              { return _alloc_size; }
   void set_alloc_size(juint n)          { _alloc_size = n; }
 
-#ifndef PRODUCT
  public:
   // Printing
+  void oop_print_value_on(oop obj, outputStream* st);
+#ifndef PRODUCT
   void oop_print_on(oop obj, outputStream* st);
 #endif
 

src/share/vm/oops/instanceKlass.cpp

@@ -2268,6 +2268,8 @@ void instanceKlass::oop_print_on(oop obj, outputStream* st) {
   }
 }
 
+#endif //PRODUCT
+
 void instanceKlass::oop_print_value_on(oop obj, outputStream* st) {
   st->print("a ");
   name()->print_value_on(st);
@@ -2299,8 +2301,6 @@ void instanceKlass::oop_print_value_on(oop obj, outputStream* st) {
   }
 }
 
-#endif // ndef PRODUCT
-
 const char* instanceKlass::internal_name() const {
   return external_name();
 }

src/share/vm/oops/instanceKlass.hpp

@@ -839,17 +839,16 @@ public:
   // JVMTI support
   jint jvmti_class_status() const;
 
-#ifndef PRODUCT
  public:
   // Printing
-  void oop_print_on      (oop obj, outputStream* st);
   void oop_print_value_on(oop obj, outputStream* st);
+#ifndef PRODUCT
+  void oop_print_on      (oop obj, outputStream* st);
 
   void print_dependent_nmethods(bool verbose = false);
   bool is_dependent_nmethod(nmethod* nm);
 #endif
 
- public:
   // Verification
   const char* internal_name() const;
   void oop_verify_on(oop obj, outputStream* st);

src/share/vm/oops/instanceKlassKlass.cpp

@@ -638,6 +638,7 @@ void instanceKlassKlass::oop_print_on(oop obj, outputStream* st) {
   st->cr();
 }
 
+#endif //PRODUCT
 
 void instanceKlassKlass::oop_print_value_on(oop obj, outputStream* st) {
   assert(obj->is_klass(), "must be klass");
@@ -645,8 +646,6 @@ void instanceKlassKlass::oop_print_value_on(oop obj, outputStream* st) {
   ik->name()->print_value_on(st);
 }
 
-#endif // PRODUCT
-
 const char* instanceKlassKlass::internal_name() const {
   return "{instance class}";
 }

src/share/vm/oops/instanceKlassKlass.hpp

@@ -69,14 +69,13 @@ private:
   // Apply closure to the InstanceKlass oops that are outside the java heap.
   inline void iterate_c_heap_oops(instanceKlass* ik, OopClosure* closure);
 
-#ifndef PRODUCT
  public:
   // Printing
-  void oop_print_on(oop obj, outputStream* st);
   void oop_print_value_on(oop obj, outputStream* st);
+#ifndef PRODUCT
+  void oop_print_on(oop obj, outputStream* st);
 #endif
 
- public:
   // Verification
   const char* internal_name() const;
   void oop_verify_on(oop obj, outputStream* st);

src/share/vm/oops/klass.cpp

@@ -541,6 +541,7 @@ void Klass::oop_print_on(oop obj, outputStream* st) {
   st->cr();
 }
 
+#endif //PRODUCT
 
 void Klass::oop_print_value_on(oop obj, outputStream* st) {
   // print title
@@ -549,8 +550,6 @@ void Klass::oop_print_value_on(oop obj, outputStream* st) {
   obj->print_address_on(st);
 }
 
-#endif
-
 // Verification
 
 void Klass::oop_verify_on(oop obj, outputStream* st) {

src/share/vm/oops/klass.hpp

@@ -776,14 +776,13 @@ class Klass : public Klass_vtbl {
   // JVMTI support
   virtual jint jvmti_class_status() const;
 
-#ifndef PRODUCT
  public:
   // Printing
-  virtual void oop_print_on      (oop obj, outputStream* st);
   virtual void oop_print_value_on(oop obj, outputStream* st);
-#endif
+#ifndef PRODUCT
+  virtual void oop_print_on      (oop obj, outputStream* st);
+#endif //PRODUCT
 
- public:
   // Verification
   virtual const char* internal_name() const = 0;
   virtual void oop_verify_on(oop obj, outputStream* st);

src/share/vm/oops/klassKlass.cpp

@@ -202,13 +202,12 @@ void klassKlass::oop_print_on(oop obj, outputStream* st) {
   Klass::oop_print_on(obj, st);
 }
 
+#endif //PRODUCT
 
 void klassKlass::oop_print_value_on(oop obj, outputStream* st) {
   Klass::oop_print_value_on(obj, st);
 }
 
-#endif
-
 const char* klassKlass::internal_name() const {
   return "{other class}";
 }

src/share/vm/oops/klassKlass.hpp

@@ -67,14 +67,13 @@ class klassKlass: public Klass {
   juint alloc_size() const              { return _alloc_size; }
   void set_alloc_size(juint n)          { _alloc_size = n; }
 
-#ifndef PRODUCT
  public:
   // Printing
-  void oop_print_on      (oop obj, outputStream* st);
   void oop_print_value_on(oop obj, outputStream* st);
-#endif
+#ifndef PRODUCT
+  void oop_print_on      (oop obj, outputStream* st);
+#endif //PRODUCT
 
- public:
   // Verification
   const char* internal_name() const;
   void oop_verify_on(oop obj, outputStream* st);

src/share/vm/oops/methodDataKlass.cpp

@@ -214,6 +214,8 @@ void methodDataKlass::oop_print_on(oop obj, outputStream* st) {
   m->print_data_on(st);
 }
 
+#endif //PRODUCT
+
 void methodDataKlass::oop_print_value_on(oop obj, outputStream* st) {
   assert(obj->is_methodData(), "should be method data");
   methodDataOop m = methodDataOop(obj);
@@ -221,8 +223,6 @@ void methodDataKlass::oop_print_value_on(oop obj, outputStream* st) {
   m->method()->print_value_on(st);
 }
 
-#endif // !PRODUCT
-
 const char* methodDataKlass::internal_name() const {
   return "{method data}";
 }

src/share/vm/oops/methodDataKlass.hpp

@@ -71,14 +71,13 @@ class methodDataKlass : public Klass {
   int oop_oop_iterate(oop obj, OopClosure* blk);
   int oop_oop_iterate_m(oop obj, OopClosure* blk, MemRegion mr);
 
-#ifndef PRODUCT
  public:
   // Printing
-  void oop_print_on      (oop obj, outputStream* st);
   void oop_print_value_on(oop obj, outputStream* st);
-#endif // !PRODUCT
+#ifndef PRODUCT
+  void oop_print_on      (oop obj, outputStream* st);
+#endif //PRODUCT
 
- public:
   // Verify operations
   const char* internal_name() const;
   void oop_verify_on(oop obj, outputStream* st);

src/share/vm/oops/methodKlass.cpp

@@ -308,6 +308,7 @@ void methodKlass::oop_print_on(oop obj, outputStream* st) {
   }
 }
 
+#endif //PRODUCT
 
 void methodKlass::oop_print_value_on(oop obj, outputStream* st) {
   assert(obj->is_method(), "must be method");
@@ -323,8 +324,6 @@ void methodKlass::oop_print_value_on(oop obj, outputStream* st) {
   if (WizardMode && m->code() != NULL) st->print(" ((nmethod*)%p)", m->code());
 }
 
-#endif // PRODUCT
-
 const char* methodKlass::internal_name() const {
   return "{method}";
 }

src/share/vm/oops/methodKlass.hpp

@@ -68,14 +68,13 @@ class methodKlass : public Klass {
   int oop_oop_iterate(oop obj, OopClosure* blk);
   int oop_oop_iterate_m(oop obj, OopClosure* blk, MemRegion mr);
 
-#ifndef PRODUCT
  public:
   // Printing
-  void oop_print_on      (oop obj, outputStream* st);
   void oop_print_value_on(oop obj, outputStream* st);
-#endif
+#ifndef PRODUCT
+  void oop_print_on      (oop obj, outputStream* st);
+#endif //PRODUCT
 
- public:
   // Verify operations
   const char* internal_name() const;
   void oop_verify_on(oop obj, outputStream* st);

src/share/vm/oops/objArrayKlass.cpp

@@ -499,6 +499,8 @@ void objArrayKlass::oop_print_on(oop obj, outputStream* st) {
   }
 }
 
+#endif //PRODUCT
+
 static int max_objArray_print_length = 4;
 
 void objArrayKlass::oop_print_value_on(oop obj, outputStream* st) {
@@ -508,7 +510,7 @@ void objArrayKlass::oop_print_value_on(oop obj, outputStream* st) {
   int len = objArrayOop(obj)->length();
   st->print("[%d] ", len);
   obj->print_address_on(st);
-  if (PrintOopAddress || PrintMiscellaneous && (WizardMode || Verbose)) {
+  if (NOT_PRODUCT(PrintOopAddress ||) PrintMiscellaneous && (WizardMode || Verbose)) {
     st->print("{");
     for (int i = 0; i < len; i++) {
       if (i > max_objArray_print_length) {
@@ -520,8 +522,6 @@ void objArrayKlass::oop_print_value_on(oop obj, outputStream* st) {
   }
 }
 
-#endif // PRODUCT
-
 const char* objArrayKlass::internal_name() const {
   return external_name();
 }

src/share/vm/oops/objArrayKlass.hpp

@@ -119,14 +119,13 @@ class objArrayKlass : public arrayKlass {
  private:
    static klassOop array_klass_impl   (objArrayKlassHandle this_oop, bool or_null, int n, TRAPS);
 
-#ifndef PRODUCT
  public:
   // Printing
-  void oop_print_on      (oop obj, outputStream* st);
   void oop_print_value_on(oop obj, outputStream* st);
-#endif
+#ifndef PRODUCT
+  void oop_print_on      (oop obj, outputStream* st);
+#endif //PRODUCT
 
- public:
   // Verification
   const char* internal_name() const;
   void oop_verify_on(oop obj, outputStream* st);

src/share/vm/oops/objArrayKlassKlass.cpp

@@ -278,6 +278,7 @@ void objArrayKlassKlass::oop_print_on(oop obj, outputStream* st) {
   st->cr();
 }
 
+#endif //PRODUCT
 
 void objArrayKlassKlass::oop_print_value_on(oop obj, outputStream* st) {
   assert(obj->is_klass(), "must be klass");
@@ -287,8 +288,6 @@ void objArrayKlassKlass::oop_print_value_on(oop obj, outputStream* st) {
   st->print("[]");
 }
 
-#endif
-
 const char* objArrayKlassKlass::internal_name() const {
   return "{object array class}";
 }

src/share/vm/oops/objArrayKlassKlass.hpp

@@ -64,14 +64,13 @@ class objArrayKlassKlass : public arrayKlassKlass {
   // helpers
   static klassOop allocate_objArray_klass_impl(objArrayKlassKlassHandle this_oop, int n, KlassHandle element_klass, TRAPS);
 
-#ifndef PRODUCT
  public:
   // Printing
-  void oop_print_on(oop obj, outputStream* st);
   void oop_print_value_on(oop obj, outputStream* st);
-#endif
+#ifndef PRODUCT
+  void oop_print_on(oop obj, outputStream* st);
+#endif //PRODUCT
 
- public:
   // Verification
   const char* internal_name() const;
   void oop_verify_on(oop obj, outputStream* st);

src/share/vm/oops/oop.cpp

@@ -31,14 +31,13 @@ BarrierSet* oopDesc::_bs = NULL;
 
 #ifdef PRODUCT
 void oopDesc::print_on(outputStream* st) const {}
-void oopDesc::print_value_on(outputStream* st) const {}
 void oopDesc::print_address_on(outputStream* st) const {}
-char* oopDesc::print_value_string() { return NULL; }
 char* oopDesc::print_string() { return NULL; }
 void oopDesc::print()         {}
-void oopDesc::print_value()   {}
 void oopDesc::print_address() {}
-#else
+
+#else //PRODUCT
+
 void oopDesc::print_on(outputStream* st) const {
   if (this == NULL) {
     st->print_cr("NULL");
@@ -47,22 +46,6 @@ void oopDesc::print_on(outputStream* st) const {
   }
 }
 
-void oopDesc::print_value_on(outputStream* st) const {
-  oop obj = oop(this);
-  if (this == NULL) {
-    st->print("NULL");
-  } else if (java_lang_String::is_instance(obj)) {
-    java_lang_String::print(obj, st);
-    if (PrintOopAddress) print_address_on(st);
-#ifdef ASSERT
-  } else if (!Universe::heap()->is_in(obj) || !Universe::heap()->is_in(klass())) {
-    st->print("### BAD OOP %p ###", (address)obj);
-#endif
-  } else {
-    blueprint()->oop_print_value_on(obj, st);
-  }
-}
-
 void oopDesc::print_address_on(outputStream* st) const {
   if (PrintOopAddress) {
     st->print("{"INTPTR_FORMAT"}", this);
@@ -71,23 +54,47 @@ void oopDesc::print_address_on(outputStream* st) const {
 
 void oopDesc::print()         { print_on(tty);         }
 
-void oopDesc::print_value()   { print_value_on(tty);   }
-
 void oopDesc::print_address() { print_address_on(tty); }
 
 char* oopDesc::print_string() {
-  stringStream* st = new stringStream();
-  print_on(st);
-  return st->as_string();
+  stringStream st;
+  print_on(&st);
+  return st.as_string();
+}
+
+#endif // PRODUCT
+
+// The print_value functions are present in all builds, to support the disassembler.
+
+void oopDesc::print_value() {
+  print_value_on(tty);
 }
 
 char* oopDesc::print_value_string() {
-  stringStream* st = new stringStream();
-  print_value_on(st);
-  return st->as_string();
+  char buf[100];
+  stringStream st(buf, sizeof(buf));
+  print_value_on(&st);
+  return st.as_string();
+}
+
+void oopDesc::print_value_on(outputStream* st) const {
+  oop obj = oop(this);
+  if (this == NULL) {
+    st->print("NULL");
+  } else if (java_lang_String::is_instance(obj)) {
+    java_lang_String::print(obj, st);
+#ifndef PRODUCT
+    if (PrintOopAddress) print_address_on(st);
+#endif //PRODUCT
+#ifdef ASSERT
+  } else if (!Universe::heap()->is_in(obj) || !Universe::heap()->is_in(klass())) {
+    st->print("### BAD OOP %p ###", (address)obj);
+#endif //ASSERT
+  } else {
+    blueprint()->oop_print_value_on(obj, st);
+  }
 }
 
-#endif // PRODUCT
 
 void oopDesc::verify_on(outputStream* st) {
   if (this != NULL) {

src/share/vm/oops/symbolKlass.cpp

@@ -213,6 +213,8 @@ void symbolKlass::oop_print_on(oop obj, outputStream* st) {
   st->print("'");
 }
 
+#endif //PRODUCT
+
 void symbolKlass::oop_print_value_on(oop obj, outputStream* st) {
   symbolOop sym = symbolOop(obj);
   st->print("'");
@@ -222,8 +224,6 @@ void symbolKlass::oop_print_value_on(oop obj, outputStream* st) {
   st->print("'");
 }
 
-#endif //PRODUCT
-
 const char* symbolKlass::internal_name() const {
   return "{symbol}";
 }

src/share/vm/oops/symbolKlass.hpp

@@ -65,10 +65,10 @@ class symbolKlass : public Klass {
   int  oop_oop_iterate(oop obj, OopClosure* blk);
   int  oop_oop_iterate_m(oop obj, OopClosure* blk, MemRegion mr);
 
-#ifndef PRODUCT
   // Printing
   void oop_print_value_on(oop obj, outputStream* st);
+#ifndef PRODUCT
   void oop_print_on(oop obj, outputStream* st);
-#endif
+#endif //PRODUCT
   const char* internal_name() const;
 };

src/share/vm/oops/typeArrayKlassKlass.cpp

@@ -45,6 +45,7 @@ void typeArrayKlassKlass::oop_print_on(oop obj, outputStream* st) {
   Klass:: oop_print_on(obj, st);
 }
 
+#endif //PRODUCT
 
 void typeArrayKlassKlass::oop_print_value_on(oop obj, outputStream* st) {
   assert(obj->is_klass(), "must be klass");
@@ -63,8 +64,6 @@ void typeArrayKlassKlass::oop_print_value_on(oop obj, outputStream* st) {
   st->print("}");
 }
 
-#endif
-
 const char* typeArrayKlassKlass::internal_name() const {
   return "{type array class}";
 }

src/share/vm/oops/typeArrayKlassKlass.hpp

@@ -47,12 +47,12 @@ class typeArrayKlassKlass : public arrayKlassKlass {
   static int header_size() { return oopDesc::header_size() + sizeof(typeArrayKlassKlass)/HeapWordSize; }
   int object_size() const  { return align_object_size(header_size()); }
 
-#ifndef PRODUCT
  public:
   // Printing
-  void oop_print_on(oop obj, outputStream* st);
   void oop_print_value_on(oop obj, outputStream* st);
-#endif
- public:
+#ifndef PRODUCT
+  void oop_print_on(oop obj, outputStream* st);
+#endif //PRODUCT
+
   const char* internal_name() const;
 };

src/share/vm/runtime/arguments.cpp

@@ -2795,6 +2795,11 @@ jint Arguments::parse(const JavaVMInitArgs* args) {
   }
 #endif
 
+  if (PrintAssembly && FLAG_IS_DEFAULT(DebugNonSafepoints)) {
+    warning("PrintAssembly is enabled; turning on DebugNonSafepoints to gain additional output");
+    DebugNonSafepoints = true;
+  }
+
   if (PrintCommandLineFlags) {
     CommandLineFlags::printSetFlags();
   }