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Sample correct registers on solaris.

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Landing patch by Ryan Dahl.

TBR=vegorov@chromium.org

Original review: http://codereview.chromium.org/6676019/

Review URL: http://codereview.chromium.org/6665023

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@7141 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
This commit is contained in:
vitalyr@chromium.org 2011-03-11 07:34:55 +00:00
parent 7b5b511d1a
commit d3caca74ca
1 changed files with 5 additions and 12 deletions
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17
src/platform-solaris.cc
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@ -45,7 +45,7 @@
#include <errno.h>
#include <ieeefp.h> // finite()
#include <signal.h> // sigemptyset(), etc
#include <sys/kdi_regs.h>
#include <sys/regset.h>
#undef MAP_TYPE
@ -632,17 +632,10 @@ static void ProfilerSignalHandler(int signal, siginfo_t* info, void* context) {
mcontext_t& mcontext = ucontext->uc_mcontext;
sample->state = Top::current_vm_state();
#if V8_HOST_ARCH_IA32
sample->pc = reinterpret_cast<Address>(mcontext.gregs[KDIREG_EIP]);
sample->sp = reinterpret_cast<Address>(mcontext.gregs[KDIREG_ESP]);
sample->fp = reinterpret_cast<Address>(mcontext.gregs[KDIREG_EBP]);
#elif V8_HOST_ARCH_X64
sample->pc = reinterpret_cast<Address>(mcontext.gregs[KDIREG_RIP]);
sample->sp = reinterpret_cast<Address>(mcontext.gregs[KDIREG_RSP]);
sample->fp = reinterpret_cast<Address>(mcontext.gregs[KDIREG_RBP]);
#else
UNIMPLEMENTED();
#endif
sample->pc = reinterpret_cast<Address>(mcontext.gregs[REG_PC]);
sample->sp = reinterpret_cast<Address>(mcontext.gregs[REG_SP]);
sample->fp = reinterpret_cast<Address>(mcontext.gregs[REG_FP]);
active_sampler_->SampleStack(sample);
active_sampler_->Tick(sample);
}