Initial load

2025-08-25 22:04:51 +02:00 · 2007-12-01 00:00:00 +00:00 · 2007-12-01 00:00:00 +00:00 · 8153779ad3
commit 8153779ad3
parent 686d76f772
2894 changed files with 911801 additions and 0 deletions
--- a/hotspot/src/share/vm/code/codeBlob.cpp
+++ b/hotspot/src/share/vm/code/codeBlob.cpp
@ -0,0 +1,703 @@
+/*
+ * Copyright 1998-2007 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ *
+ */
+
+# include "incls/_precompiled.incl"
+# include "incls/_codeBlob.cpp.incl"
+
+unsigned int align_code_offset(int offset) {
+  // align the size to CodeEntryAlignment
+  return
+    ((offset + (int)CodeHeap::header_size() + (CodeEntryAlignment-1)) & ~(CodeEntryAlignment-1))
+    - (int)CodeHeap::header_size();
+}
+
+
+// This must be consistent with the CodeBlob constructor's layout actions.
+unsigned int CodeBlob::allocation_size(CodeBuffer* cb, int header_size) {
+  unsigned int size = header_size;
+  size += round_to(cb->total_relocation_size(), oopSize);
+  // align the size to CodeEntryAlignment
+  size = align_code_offset(size);
+  size += round_to(cb->total_code_size(), oopSize);
+  size += round_to(cb->total_oop_size(), oopSize);
+  return size;
+}
+
+
+// Creates a simple CodeBlob. Sets up the size of the different regions.
+CodeBlob::CodeBlob(const char* name, int header_size, int size, int frame_complete, int locs_size) {
+  assert(size == round_to(size, oopSize), "unaligned size");
+  assert(locs_size == round_to(locs_size, oopSize), "unaligned size");
+  assert(header_size == round_to(header_size, oopSize), "unaligned size");
+  assert(!UseRelocIndex, "no space allocated for reloc index yet");
+
+  // Note: If UseRelocIndex is enabled, there needs to be (at least) one
+  //       extra word for the relocation information, containing the reloc
+  //       index table length. Unfortunately, the reloc index table imple-
+  //       mentation is not easily understandable and thus it is not clear
+  //       what exactly the format is supposed to be. For now, we just turn
+  //       off the use of this table (gri 7/6/2000).
+
+  _name                  = name;
+  _size                  = size;
+  _frame_complete_offset = frame_complete;
+  _header_size           = header_size;
+  _relocation_size       = locs_size;
+  _instructions_offset   = align_code_offset(header_size + locs_size);
+  _data_offset           = size;
+  _oops_offset           = size;
+  _oops_length           =  0;
+  _frame_size            =  0;
+  set_oop_maps(NULL);
+}
+
+
+// Creates a CodeBlob from a CodeBuffer. Sets up the size of the different regions,
+// and copy code and relocation info.
+CodeBlob::CodeBlob(
+  const char* name,
+  CodeBuffer* cb,
+  int         header_size,
+  int         size,
+  int         frame_complete,
+  int         frame_size,
+  OopMapSet*  oop_maps
+) {
+  assert(size == round_to(size, oopSize), "unaligned size");
+  assert(header_size == round_to(header_size, oopSize), "unaligned size");
+
+  _name                  = name;
+  _size                  = size;
+  _frame_complete_offset = frame_complete;
+  _header_size           = header_size;
+  _relocation_size       = round_to(cb->total_relocation_size(), oopSize);
+  _instructions_offset   = align_code_offset(header_size + _relocation_size);
+  _data_offset           = _instructions_offset + round_to(cb->total_code_size(), oopSize);
+  _oops_offset           = _size - round_to(cb->total_oop_size(), oopSize);
+  _oops_length           = 0;  // temporary, until the copy_oops handshake
+  assert(_oops_offset >=   _data_offset, "codeBlob is too small");
+  assert(_data_offset <= size, "codeBlob is too small");
+
+  cb->copy_code_and_locs_to(this);
+  set_oop_maps(oop_maps);
+  _frame_size = frame_size;
+#ifdef COMPILER1
+  // probably wrong for tiered
+  assert(_frame_size >= -1, "must use frame size or -1 for runtime stubs");
+#endif // COMPILER1
+}
+
+
+void CodeBlob::set_oop_maps(OopMapSet* p) {
+  // Danger Will Robinson! This method allocates a big
+  // chunk of memory, its your job to free it.
+  if (p != NULL) {
+    // We need to allocate a chunk big enough to hold the OopMapSet and all of its OopMaps
+    _oop_maps = (OopMapSet* )NEW_C_HEAP_ARRAY(unsigned char, p->heap_size());
+    p->copy_to((address)_oop_maps);
+  } else {
+    _oop_maps = NULL;
+  }
+}
+
+
+void CodeBlob::flush() {
+  if (_oop_maps) {
+    FREE_C_HEAP_ARRAY(unsigned char, _oop_maps);
+    _oop_maps = NULL;
+  }
+  _comments.free();
+}
+
+
+// Promote one word from an assembly-time handle to a live embedded oop.
+inline void CodeBlob::initialize_immediate_oop(oop* dest, jobject handle) {
+  if (handle == NULL ||
+      // As a special case, IC oops are initialized to 1 or -1.
+      handle == (jobject) Universe::non_oop_word()) {
+    (*dest) = (oop)handle;
+  } else {
+    (*dest) = JNIHandles::resolve_non_null(handle);
+  }
+}
+
+
+void CodeBlob::copy_oops(GrowableArray<jobject>* array) {
+  assert(_oops_length == 0, "do this handshake just once, please");
+  int length = array->length();
+  assert((address)(oops_begin() + length) <= data_end(), "oops big enough");
+  oop* dest = oops_begin();
+  for (int index = 0 ; index < length; index++) {
+    initialize_immediate_oop(&dest[index], array->at(index));
+  }
+  _oops_length = length;
+
+  // Now we can fix up all the oops in the code.
+  // We need to do this in the code because
+  // the assembler uses jobjects as placeholders.
+  // The code and relocations have already been
+  // initialized by the CodeBlob constructor,
+  // so it is valid even at this early point to
+  // iterate over relocations and patch the code.
+  fix_oop_relocations(NULL, NULL, /*initialize_immediates=*/ true);
+}
+
+
+relocInfo::relocType CodeBlob::reloc_type_for_address(address pc) {
+  RelocIterator iter(this, pc, pc+1);
+  while (iter.next()) {
+    return (relocInfo::relocType) iter.type();
+  }
+  // No relocation info found for pc
+  ShouldNotReachHere();
+  return relocInfo::none; // dummy return value
+}
+
+
+bool CodeBlob::is_at_poll_return(address pc) {
+  RelocIterator iter(this, pc, pc+1);
+  while (iter.next()) {
+    if (iter.type() == relocInfo::poll_return_type)
+      return true;
+  }
+  return false;
+}
+
+
+bool CodeBlob::is_at_poll_or_poll_return(address pc) {
+  RelocIterator iter(this, pc, pc+1);
+  while (iter.next()) {
+    relocInfo::relocType t = iter.type();
+    if (t == relocInfo::poll_return_type || t == relocInfo::poll_type)
+      return true;
+  }
+  return false;
+}
+
+
+void CodeBlob::fix_oop_relocations(address begin, address end,
+                                   bool initialize_immediates) {
+  // re-patch all oop-bearing instructions, just in case some oops moved
+  RelocIterator iter(this, begin, end);
+  while (iter.next()) {
+    if (iter.type() == relocInfo::oop_type) {
+      oop_Relocation* reloc = iter.oop_reloc();
+      if (initialize_immediates && reloc->oop_is_immediate()) {
+        oop* dest = reloc->oop_addr();
+        initialize_immediate_oop(dest, (jobject) *dest);
+      }
+      // Refresh the oop-related bits of this instruction.
+      reloc->fix_oop_relocation();
+    }
+
+    // There must not be any interfering patches or breakpoints.
+    assert(!(iter.type() == relocInfo::breakpoint_type
+             && iter.breakpoint_reloc()->active()),
+           "no active breakpoint");
+  }
+}
+
+void CodeBlob::do_unloading(BoolObjectClosure* is_alive,
+                            OopClosure* keep_alive,
+                            bool unloading_occurred) {
+  ShouldNotReachHere();
+}
+
+OopMap* CodeBlob::oop_map_for_return_address(address return_address) {
+  address pc = return_address ;
+  assert (oop_maps() != NULL, "nope");
+  return oop_maps()->find_map_at_offset ((intptr_t) pc - (intptr_t) instructions_begin());
+}
+
+
+//----------------------------------------------------------------------------------------------------
+// Implementation of BufferBlob
+
+
+BufferBlob::BufferBlob(const char* name, int size)
+: CodeBlob(name, sizeof(BufferBlob), size, CodeOffsets::frame_never_safe, /*locs_size:*/ 0)
+{}
+
+BufferBlob* BufferBlob::create(const char* name, int buffer_size) {
+  ThreadInVMfromUnknown __tiv;  // get to VM state in case we block on CodeCache_lock
+
+  BufferBlob* blob = NULL;
+  unsigned int size = sizeof(BufferBlob);
+  // align the size to CodeEntryAlignment
+  size = align_code_offset(size);
+  size += round_to(buffer_size, oopSize);
+  assert(name != NULL, "must provide a name");
+  {
+
+    MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
+    blob = new (size) BufferBlob(name, size);
+  }
+  // Track memory usage statistic after releasing CodeCache_lock
+  MemoryService::track_code_cache_memory_usage();
+
+  return blob;
+}
+
+
+BufferBlob::BufferBlob(const char* name, int size, CodeBuffer* cb)
+  : CodeBlob(name, cb, sizeof(BufferBlob), size, CodeOffsets::frame_never_safe, 0, NULL)
+{}
+
+BufferBlob* BufferBlob::create(const char* name, CodeBuffer* cb) {
+  ThreadInVMfromUnknown __tiv;  // get to VM state in case we block on CodeCache_lock
+
+  BufferBlob* blob = NULL;
+  unsigned int size = allocation_size(cb, sizeof(BufferBlob));
+  assert(name != NULL, "must provide a name");
+  {
+
+    MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
+    blob = new (size) BufferBlob(name, size, cb);
+  }
+  // Track memory usage statistic after releasing CodeCache_lock
+  MemoryService::track_code_cache_memory_usage();
+
+  return blob;
+}
+
+
+void* BufferBlob::operator new(size_t s, unsigned size) {
+  void* p = CodeCache::allocate(size);
+  return p;
+}
+
+
+void BufferBlob::free( BufferBlob *blob ) {
+  ThreadInVMfromUnknown __tiv;  // get to VM state in case we block on CodeCache_lock
+  {
+    MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
+    CodeCache::free((CodeBlob*)blob);
+  }
+  // Track memory usage statistic after releasing CodeCache_lock
+  MemoryService::track_code_cache_memory_usage();
+}
+
+bool BufferBlob::is_adapter_blob() const {
+  return (strcmp(AdapterHandlerEntry::name, name()) == 0);
+}
+
+//----------------------------------------------------------------------------------------------------
+// Implementation of RuntimeStub
+
+RuntimeStub::RuntimeStub(
+  const char* name,
+  CodeBuffer* cb,
+  int         size,
+  int         frame_complete,
+  int         frame_size,
+  OopMapSet*  oop_maps,
+  bool        caller_must_gc_arguments
+)
+: CodeBlob(name, cb, sizeof(RuntimeStub), size, frame_complete, frame_size, oop_maps)
+{
+  _caller_must_gc_arguments = caller_must_gc_arguments;
+}
+
+
+RuntimeStub* RuntimeStub::new_runtime_stub(const char* stub_name,
+                                           CodeBuffer* cb,
+                                           int frame_complete,
+                                           int frame_size,
+                                           OopMapSet* oop_maps,
+                                           bool caller_must_gc_arguments)
+{
+  RuntimeStub* stub = NULL;
+  ThreadInVMfromUnknown __tiv;  // get to VM state in case we block on CodeCache_lock
+  {
+    MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
+    unsigned int size = allocation_size(cb, sizeof(RuntimeStub));
+    stub = new (size) RuntimeStub(stub_name, cb, size, frame_complete, frame_size, oop_maps, caller_must_gc_arguments);
+  }
+
+  // Do not hold the CodeCache lock during name formatting.
+  if (stub != NULL) {
+    char stub_id[256];
+    jio_snprintf(stub_id, sizeof(stub_id), "RuntimeStub - %s", stub_name);
+    if (PrintStubCode) {
+      tty->print_cr("Decoding %s " INTPTR_FORMAT, stub_id, stub);
+      Disassembler::decode(stub->instructions_begin(), stub->instructions_end());
+    }
+    VTune::register_stub(stub_id, stub->instructions_begin(), stub->instructions_end());
+    Forte::register_stub(stub_id, stub->instructions_begin(), stub->instructions_end());
+
+    if (JvmtiExport::should_post_dynamic_code_generated()) {
+      JvmtiExport::post_dynamic_code_generated(stub_name, stub->instructions_begin(), stub->instructions_end());
+    }
+  }
+
+  // Track memory usage statistic after releasing CodeCache_lock
+  MemoryService::track_code_cache_memory_usage();
+
+  return stub;
+}
+
+
+void* RuntimeStub::operator new(size_t s, unsigned size) {
+  void* p = CodeCache::allocate(size);
+  if (!p) fatal("Initial size of CodeCache is too small");
+  return p;
+}
+
+
+//----------------------------------------------------------------------------------------------------
+// Implementation of DeoptimizationBlob
+
+DeoptimizationBlob::DeoptimizationBlob(
+  CodeBuffer* cb,
+  int         size,
+  OopMapSet*  oop_maps,
+  int         unpack_offset,
+  int         unpack_with_exception_offset,
+  int         unpack_with_reexecution_offset,
+  int         frame_size
+)
+: SingletonBlob("DeoptimizationBlob", cb, sizeof(DeoptimizationBlob), size, frame_size, oop_maps)
+{
+  _unpack_offset           = unpack_offset;
+  _unpack_with_exception   = unpack_with_exception_offset;
+  _unpack_with_reexecution = unpack_with_reexecution_offset;
+#ifdef COMPILER1
+  _unpack_with_exception_in_tls   = -1;
+#endif
+}
+
+
+DeoptimizationBlob* DeoptimizationBlob::create(
+  CodeBuffer* cb,
+  OopMapSet*  oop_maps,
+  int        unpack_offset,
+  int        unpack_with_exception_offset,
+  int        unpack_with_reexecution_offset,
+  int        frame_size)
+{
+  DeoptimizationBlob* blob = NULL;
+  ThreadInVMfromUnknown __tiv;  // get to VM state in case we block on CodeCache_lock
+  {
+    MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
+    unsigned int size = allocation_size(cb, sizeof(DeoptimizationBlob));
+    blob = new (size) DeoptimizationBlob(cb,
+                                         size,
+                                         oop_maps,
+                                         unpack_offset,
+                                         unpack_with_exception_offset,
+                                         unpack_with_reexecution_offset,
+                                         frame_size);
+  }
+
+  // Do not hold the CodeCache lock during name formatting.
+  if (blob != NULL) {
+    char blob_id[256];
+    jio_snprintf(blob_id, sizeof(blob_id), "DeoptimizationBlob@" PTR_FORMAT, blob->instructions_begin());
+    if (PrintStubCode) {
+      tty->print_cr("Decoding %s " INTPTR_FORMAT, blob_id, blob);
+      Disassembler::decode(blob->instructions_begin(), blob->instructions_end());
+    }
+    VTune::register_stub(blob_id, blob->instructions_begin(), blob->instructions_end());
+    Forte::register_stub(blob_id, blob->instructions_begin(), blob->instructions_end());
+
+    if (JvmtiExport::should_post_dynamic_code_generated()) {
+      JvmtiExport::post_dynamic_code_generated("DeoptimizationBlob",
+                                               blob->instructions_begin(),
+                                               blob->instructions_end());
+    }
+  }
+
+  // Track memory usage statistic after releasing CodeCache_lock
+  MemoryService::track_code_cache_memory_usage();
+
+  return blob;
+}
+
+
+void* DeoptimizationBlob::operator new(size_t s, unsigned size) {
+  void* p = CodeCache::allocate(size);
+  if (!p) fatal("Initial size of CodeCache is too small");
+  return p;
+}
+
+//----------------------------------------------------------------------------------------------------
+// Implementation of UncommonTrapBlob
+
+#ifdef COMPILER2
+UncommonTrapBlob::UncommonTrapBlob(
+  CodeBuffer* cb,
+  int         size,
+  OopMapSet*  oop_maps,
+  int         frame_size
+)
+: SingletonBlob("UncommonTrapBlob", cb, sizeof(UncommonTrapBlob), size, frame_size, oop_maps)
+{}
+
+
+UncommonTrapBlob* UncommonTrapBlob::create(
+  CodeBuffer* cb,
+  OopMapSet*  oop_maps,
+  int        frame_size)
+{
+  UncommonTrapBlob* blob = NULL;
+  ThreadInVMfromUnknown __tiv;  // get to VM state in case we block on CodeCache_lock
+  {
+    MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
+    unsigned int size = allocation_size(cb, sizeof(UncommonTrapBlob));
+    blob = new (size) UncommonTrapBlob(cb, size, oop_maps, frame_size);
+  }
+
+  // Do not hold the CodeCache lock during name formatting.
+  if (blob != NULL) {
+    char blob_id[256];
+    jio_snprintf(blob_id, sizeof(blob_id), "UncommonTrapBlob@" PTR_FORMAT, blob->instructions_begin());
+    if (PrintStubCode) {
+      tty->print_cr("Decoding %s " INTPTR_FORMAT, blob_id, blob);
+      Disassembler::decode(blob->instructions_begin(), blob->instructions_end());
+    }
+    VTune::register_stub(blob_id, blob->instructions_begin(), blob->instructions_end());
+    Forte::register_stub(blob_id, blob->instructions_begin(), blob->instructions_end());
+
+    if (JvmtiExport::should_post_dynamic_code_generated()) {
+      JvmtiExport::post_dynamic_code_generated("UncommonTrapBlob",
+                                               blob->instructions_begin(),
+                                               blob->instructions_end());
+    }
+  }
+
+  // Track memory usage statistic after releasing CodeCache_lock
+  MemoryService::track_code_cache_memory_usage();
+
+  return blob;
+}
+
+
+void* UncommonTrapBlob::operator new(size_t s, unsigned size) {
+  void* p = CodeCache::allocate(size);
+  if (!p) fatal("Initial size of CodeCache is too small");
+  return p;
+}
+#endif // COMPILER2
+
+
+//----------------------------------------------------------------------------------------------------
+// Implementation of ExceptionBlob
+
+#ifdef COMPILER2
+ExceptionBlob::ExceptionBlob(
+  CodeBuffer* cb,
+  int         size,
+  OopMapSet*  oop_maps,
+  int         frame_size
+)
+: SingletonBlob("ExceptionBlob", cb, sizeof(ExceptionBlob), size, frame_size, oop_maps)
+{}
+
+
+ExceptionBlob* ExceptionBlob::create(
+  CodeBuffer* cb,
+  OopMapSet*  oop_maps,
+  int         frame_size)
+{
+  ExceptionBlob* blob = NULL;
+  ThreadInVMfromUnknown __tiv;  // get to VM state in case we block on CodeCache_lock
+  {
+    MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
+    unsigned int size = allocation_size(cb, sizeof(ExceptionBlob));
+    blob = new (size) ExceptionBlob(cb, size, oop_maps, frame_size);
+  }
+
+  // We do not need to hold the CodeCache lock during name formatting
+  if (blob != NULL) {
+    char blob_id[256];
+    jio_snprintf(blob_id, sizeof(blob_id), "ExceptionBlob@" PTR_FORMAT, blob->instructions_begin());
+    if (PrintStubCode) {
+      tty->print_cr("Decoding %s " INTPTR_FORMAT, blob_id, blob);
+      Disassembler::decode(blob->instructions_begin(), blob->instructions_end());
+    }
+    VTune::register_stub(blob_id, blob->instructions_begin(), blob->instructions_end());
+    Forte::register_stub(blob_id, blob->instructions_begin(), blob->instructions_end());
+
+    if (JvmtiExport::should_post_dynamic_code_generated()) {
+      JvmtiExport::post_dynamic_code_generated("ExceptionBlob",
+                                               blob->instructions_begin(),
+                                               blob->instructions_end());
+    }
+  }
+
+  // Track memory usage statistic after releasing CodeCache_lock
+  MemoryService::track_code_cache_memory_usage();
+
+  return blob;
+}
+
+
+void* ExceptionBlob::operator new(size_t s, unsigned size) {
+  void* p = CodeCache::allocate(size);
+  if (!p) fatal("Initial size of CodeCache is too small");
+  return p;
+}
+#endif // COMPILER2
+
+
+//----------------------------------------------------------------------------------------------------
+// Implementation of SafepointBlob
+
+SafepointBlob::SafepointBlob(
+  CodeBuffer* cb,
+  int         size,
+  OopMapSet*  oop_maps,
+  int         frame_size
+)
+: SingletonBlob("SafepointBlob", cb, sizeof(SafepointBlob), size, frame_size, oop_maps)
+{}
+
+
+SafepointBlob* SafepointBlob::create(
+  CodeBuffer* cb,
+  OopMapSet*  oop_maps,
+  int         frame_size)
+{
+  SafepointBlob* blob = NULL;
+  ThreadInVMfromUnknown __tiv;  // get to VM state in case we block on CodeCache_lock
+  {
+    MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
+    unsigned int size = allocation_size(cb, sizeof(SafepointBlob));
+    blob = new (size) SafepointBlob(cb, size, oop_maps, frame_size);
+  }
+
+  // We do not need to hold the CodeCache lock during name formatting.
+  if (blob != NULL) {
+    char blob_id[256];
+    jio_snprintf(blob_id, sizeof(blob_id), "SafepointBlob@" PTR_FORMAT, blob->instructions_begin());
+    if (PrintStubCode) {
+      tty->print_cr("Decoding %s " INTPTR_FORMAT, blob_id, blob);
+      Disassembler::decode(blob->instructions_begin(), blob->instructions_end());
+    }
+    VTune::register_stub(blob_id, blob->instructions_begin(), blob->instructions_end());
+    Forte::register_stub(blob_id, blob->instructions_begin(), blob->instructions_end());
+
+    if (JvmtiExport::should_post_dynamic_code_generated()) {
+      JvmtiExport::post_dynamic_code_generated("SafepointBlob",
+                                               blob->instructions_begin(),
+                                               blob->instructions_end());
+    }
+  }
+
+  // Track memory usage statistic after releasing CodeCache_lock
+  MemoryService::track_code_cache_memory_usage();
+
+  return blob;
+}
+
+
+void* SafepointBlob::operator new(size_t s, unsigned size) {
+  void* p = CodeCache::allocate(size);
+  if (!p) fatal("Initial size of CodeCache is too small");
+  return p;
+}
+
+
+//----------------------------------------------------------------------------------------------------
+// Verification and printing
+
+void CodeBlob::verify() {
+  ShouldNotReachHere();
+}
+
+#ifndef PRODUCT
+
+void CodeBlob::print() const {
+  tty->print_cr("[CodeBlob (" INTPTR_FORMAT ")]", this);
+  tty->print_cr("Framesize: %d", _frame_size);
+}
+
+
+void CodeBlob::print_value_on(outputStream* st) const {
+  st->print_cr("[CodeBlob]");
+}
+
+#endif
+
+void BufferBlob::verify() {
+  // unimplemented
+}
+
+#ifndef PRODUCT
+
+void BufferBlob::print() const {
+  CodeBlob::print();
+  print_value_on(tty);
+}
+
+
+void BufferBlob::print_value_on(outputStream* st) const {
+  st->print_cr("BufferBlob (" INTPTR_FORMAT  ") used for %s", this, name());
+}
+
+
+#endif
+
+void RuntimeStub::verify() {
+  // unimplemented
+}
+
+#ifndef PRODUCT
+
+void RuntimeStub::print() const {
+  CodeBlob::print();
+  tty->print("Runtime Stub (" INTPTR_FORMAT "): ", this);
+  tty->print_cr(name());
+  Disassembler::decode((CodeBlob*)this);
+}
+
+
+void RuntimeStub::print_value_on(outputStream* st) const {
+  st->print("RuntimeStub (" INTPTR_FORMAT "): ", this); st->print(name());
+}
+
+#endif
+
+void SingletonBlob::verify() {
+  // unimplemented
+}
+
+#ifndef PRODUCT
+
+void SingletonBlob::print() const {
+  CodeBlob::print();
+  tty->print_cr(name());
+  Disassembler::decode((CodeBlob*)this);
+}
+
+
+void SingletonBlob::print_value_on(outputStream* st) const {
+  st->print_cr(name());
+}
+
+void DeoptimizationBlob::print_value_on(outputStream* st) const {
+  st->print_cr("Deoptimization (frame not available)");
+}
+
+#endif // PRODUCT