MIPS: Enable the V8 profiler on MIPS.

BUG=
TEST=

Review URL: http://codereview.chromium.org/8507008
Patch from Gergely Kis <gergely@homejinni.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9926 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/platform-linux.cc

@@ -964,7 +964,6 @@ static int GetThreadID() {
 
 
 static void ProfilerSignalHandler(int signal, siginfo_t* info, void* context) {
-#ifndef V8_HOST_ARCH_MIPS
   USE(info);
   if (signal != SIGPROF) return;
   Isolate* isolate = Isolate::UncheckedCurrent();
@@ -1006,15 +1005,14 @@ static void ProfilerSignalHandler(int signal, siginfo_t* info, void* context) {
   sample->pc = reinterpret_cast<Address>(mcontext.arm_pc);
   sample->sp = reinterpret_cast<Address>(mcontext.arm_sp);
   sample->fp = reinterpret_cast<Address>(mcontext.arm_fp);
-#endif
+#endif  // (__GLIBC__ < 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ <= 3))
 #elif V8_HOST_ARCH_MIPS
-  sample.pc = reinterpret_cast<Address>(mcontext.pc);
-  sample.sp = reinterpret_cast<Address>(mcontext.gregs[29]);
-  sample.fp = reinterpret_cast<Address>(mcontext.gregs[30]);
-#endif
+  sample->pc = reinterpret_cast<Address>(mcontext.pc);
+  sample->sp = reinterpret_cast<Address>(mcontext.gregs[29]);
+  sample->fp = reinterpret_cast<Address>(mcontext.gregs[30]);
+#endif  // V8_HOST_ARCH_*
   sampler->SampleStack(sample);
   sampler->Tick(sample);
-#endif
 }