43     p = p->_next;
  44   }
  45   return p;
  46 }
  47 
  48 const char* StubCodeDesc::name_for(address pc) {
  49   StubCodeDesc* p = desc_for(pc);
  50   return p == NULL ? NULL : p->name();
  51 }
  52 
  53 
  54 void StubCodeDesc::freeze() {
  55   assert(!_frozen, "repeated freeze operation");
  56   _frozen = true;
  57 }
  58 
  59 void StubCodeDesc::print_on(outputStream* st) const {
  60   st->print("%s", group());
  61   st->print("::");
  62   st->print("%s", name());
  63   st->print(" [" INTPTR_FORMAT ", " INTPTR_FORMAT "[ (%d bytes)", p2i(begin()), p2i(end()), size_in_bytes());
  64 }
  65 
  66 // Implementation of StubCodeGenerator
  67 
  68 StubCodeGenerator::StubCodeGenerator(CodeBuffer* code, bool print_code) {
  69   _masm = new MacroAssembler(code );
  70   _print_code = PrintStubCode || print_code;
  71 }
  72 
  73 StubCodeGenerator::~StubCodeGenerator() {
  74   if (PRODUCT_ONLY(_print_code) NOT_PRODUCT(true)) {
  75     CodeBuffer* cbuf = _masm->code();
  76     CodeBlob*   blob = CodeCache::find_blob_unsafe(cbuf->insts()->start());
  77     if (blob != NULL) {
  78       blob->set_strings(cbuf->strings());
  79     }
  80   }
  81 }
  82 
  83 void StubCodeGenerator::stub_prolog(StubCodeDesc* cdesc) {
  84   // default implementation - do nothing
  85 }
  86 
  87 void StubCodeGenerator::stub_epilog(StubCodeDesc* cdesc) {
  88   if (_print_code) {
  89     CodeStrings cs;
  90     ptrdiff_t offset = 0;
  91 #ifndef PRODUCT
  92     // Find the code strings in the outer CodeBuffer.
  93     CodeBuffer *outer_cbuf = _masm->code_section()->outer();
  94     cs = outer_cbuf->strings();
  95     // The offset from the start of the outer CodeBuffer to the start
  96     // of this stub.
  97     offset = cdesc->begin() - outer_cbuf->insts()->start();
  98 #endif
  99     cdesc->print();


 100     tty->cr();
 101     Disassembler::decode(cdesc->begin(), cdesc->end(), NULL, cs, offset);

 102     tty->cr();
 103   }
 104 }
 105 
 106 
 107 // Implementation of CodeMark
 108 
 109 StubCodeMark::StubCodeMark(StubCodeGenerator* cgen, const char* group, const char* name) {
 110   _cgen  = cgen;
 111   _cdesc = new StubCodeDesc(group, name, _cgen->assembler()->pc());
 112   _cgen->stub_prolog(_cdesc);
 113   // define the stub's beginning (= entry point) to be after the prolog:
 114   _cdesc->set_begin(_cgen->assembler()->pc());
 115 }
 116 
 117 StubCodeMark::~StubCodeMark() {
 118   _cgen->assembler()->flush();
 119   _cdesc->set_end(_cgen->assembler()->pc());
 120   assert(StubCodeDesc::_list == _cdesc, "expected order on list");
 121   _cgen->stub_epilog(_cdesc);

  43     p = p->_next;
  44   }
  45   return p;
  46 }
  47 
  48 const char* StubCodeDesc::name_for(address pc) {
  49   StubCodeDesc* p = desc_for(pc);
  50   return p == NULL ? NULL : p->name();
  51 }
  52 
  53 
  54 void StubCodeDesc::freeze() {
  55   assert(!_frozen, "repeated freeze operation");
  56   _frozen = true;
  57 }
  58 
  59 void StubCodeDesc::print_on(outputStream* st) const {
  60   st->print("%s", group());
  61   st->print("::");
  62   st->print("%s", name());
  63   st->print(" [" INTPTR_FORMAT ", " INTPTR_FORMAT "] (%d bytes)", p2i(begin()), p2i(end()), size_in_bytes());
  64 }
  65 
  66 // Implementation of StubCodeGenerator
  67 
  68 StubCodeGenerator::StubCodeGenerator(CodeBuffer* code, bool print_code) {
  69   _masm = new MacroAssembler(code );
  70   _print_code = PrintStubCode || print_code;
  71 }
  72 
  73 StubCodeGenerator::~StubCodeGenerator() {
  74   if (PRODUCT_ONLY(_print_code) NOT_PRODUCT(true)) {
  75     CodeBuffer* cbuf = _masm->code();
  76     CodeBlob*   blob = CodeCache::find_blob_unsafe(cbuf->insts()->start());
  77     if (blob != NULL) {
  78       blob->set_strings(cbuf->strings());
  79     }
  80   }
  81 }
  82 
  83 void StubCodeGenerator::stub_prolog(StubCodeDesc* cdesc) {
  84   // default implementation - do nothing
  85 }
  86 
  87 void StubCodeGenerator::stub_epilog(StubCodeDesc* cdesc) {
  88   if (_print_code) {
  89     CodeStrings cs;
  90     ptrdiff_t offset = 0;
  91 #ifndef PRODUCT
  92     // Find the code strings in the outer CodeBuffer.
  93     CodeBuffer *outer_cbuf = _masm->code_section()->outer();
  94     cs = outer_cbuf->strings();
  95     // The offset from the start of the outer CodeBuffer to the start
  96     // of this stub.
  97     offset = cdesc->begin() - outer_cbuf->insts()->start();
  98 #endif
  99     ttyLocker ttyl;
 100     tty->print_cr("- - - [BEGIN] - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -");
 101     cdesc->print_on(tty);
 102     tty->cr();
 103     Disassembler::decode(cdesc->begin(), cdesc->end(), tty, cs /*, offset */);
 104     tty->print_cr("- - - [END] - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -");
 105     tty->cr();
 106   }
 107 }
 108 
 109 
 110 // Implementation of CodeMark
 111 
 112 StubCodeMark::StubCodeMark(StubCodeGenerator* cgen, const char* group, const char* name) {
 113   _cgen  = cgen;
 114   _cdesc = new StubCodeDesc(group, name, _cgen->assembler()->pc());
 115   _cgen->stub_prolog(_cdesc);
 116   // define the stub's beginning (= entry point) to be after the prolog:
 117   _cdesc->set_begin(_cgen->assembler()->pc());
 118 }
 119 
 120 StubCodeMark::~StubCodeMark() {
 121   _cgen->assembler()->flush();
 122   _cdesc->set_end(_cgen->assembler()->pc());
 123   assert(StubCodeDesc::_list == _cdesc, "expected order on list");
 124   _cgen->stub_epilog(_cdesc);