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Have the profiler load the correct registers on x64.

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This is still not correct, since internally they are kept as an int.
Use our new V8_HOST_ARCH macros for detecting the host processor.

Review URL: http://codereview.chromium.org/109025


git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@1879 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
This commit is contained in:
deanm@chromium.org 2009-05-06 11:19:50 +00:00
parent b32d7d2e67
commit 5f4322f77f
1 changed files with 10 additions and 5 deletions
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15
src/platform-linux.cc
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@ -600,14 +600,19 @@ static void ProfilerSignalHandler(int signal, siginfo_t* info, void* context) {
// Extracting the sample from the context is extremely machine dependent.
ucontext_t* ucontext = reinterpret_cast<ucontext_t*>(context);
mcontext_t& mcontext = ucontext->uc_mcontext;
#if defined(__arm__) || defined(__thumb__)
sample.pc = mcontext.gregs[R15];
sample.sp = mcontext.gregs[R13];
sample.fp = mcontext.gregs[R11];
#else
#if V8_HOST_ARCH_X86
sample.pc = mcontext.gregs[REG_EIP];
sample.sp = mcontext.gregs[REG_ESP];
sample.fp = mcontext.gregs[REG_EBP];
#elif V8_HOST_ARCH_X64
UNIMPLEMENTED();
sample.pc = mcontext.gregs[REG_RIP];
sample.sp = mcontext.gregs[REG_RSP];
sample.fp = mcontext.gregs[REG_RBP];
#elif V8_HOST_ARCH_ARM
sample.pc = mcontext.gregs[R15];
sample.sp = mcontext.gregs[R13];
sample.fp = mcontext.gregs[R11];
#endif
}