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8008555: Debugging code in compiled method sometimes leaks memory

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Support for strings that have same life-time as code that uses them.

Reviewed-by: kvn, twisti
This commit is contained in:
Roland Westrelin 2013-03-18 13:19:06 +01:00
parent d824b431de
commit 8f1814d874
16 changed files with 174 additions and 121 deletions
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28
hotspot/src/cpu/x86/vm/macroAssembler_x86.cpp
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@ -4262,8 +4262,13 @@ void MacroAssembler::verify_oop(Register reg, const char* s) {
if (!VerifyOops) return;
// Pass register number to verify_oop_subroutine
char* b = new char[strlen(s) + 50];
sprintf(b, "verify_oop: %s: %s", reg->name(), s);
const char* b = NULL;
{
ResourceMark rm;
stringStream ss;
ss.print("verify_oop: %s: %s", reg->name(), s);
b = code_string(ss.as_string());
}
BLOCK_COMMENT("verify_oop {");
#ifdef _LP64
push(rscratch1); // save r10, trashed by movptr()
@ -4297,9 +4302,14 @@ RegisterOrConstant MacroAssembler::delayed_value_impl(intptr_t* delayed_value_ad
{ Label L;
testptr(tmp, tmp);
if (WizardMode) {
const char* buf = NULL;
{
ResourceMark rm;
stringStream ss;
ss.print("DelayedValue="INTPTR_FORMAT, delayed_value_addr[1]);
buf = code_string(ss.as_string());
}
jcc(Assembler::notZero, L);
char* buf = new char[40];
sprintf(buf, "DelayedValue="INTPTR_FORMAT, delayed_value_addr[1]);
STOP(buf);
} else {
jccb(Assembler::notZero, L);
@ -4343,9 +4353,13 @@ void MacroAssembler::verify_oop_addr(Address addr, const char* s) {
// Address adjust(addr.base(), addr.index(), addr.scale(), addr.disp() + BytesPerWord);
// Pass register number to verify_oop_subroutine
char* b = new char[strlen(s) + 50];
sprintf(b, "verify_oop_addr: %s", s);
const char* b = NULL;
{
ResourceMark rm;
stringStream ss;
ss.print("verify_oop_addr: %s", s);
b = code_string(ss.as_string());
}
#ifdef _LP64
push(rscratch1); // save r10, trashed by movptr()
#endif