Fix cctest/test-cpu-profiler/CollectCpuProfile test on Arm and MIPS simulators

src/platform-solaris.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 36 matching lines @@
 #include <signal.h>  // sigemptyset(), etc
 #include <sys/regset.h>
 
 
 #undef MAP_TYPE
 
 #include "v8.h"
 
 #include "platform-posix.h"
 #include "platform.h"
+#include "simulator.h"
 #include "v8threads.h"
 #include "vm-state-inl.h"
 
 
 // It seems there is a bug in some Solaris distributions (experienced in
 // SunOS 5.10 Generic_141445-09) which make it difficult or impossible to
 // access signbit() despite the availability of other C99 math functions.
 #ifndef signbit
 // Test sign - usually defined in math.h
 int signbit(double x) {
@@ skipping 612 matching lines @@
     return;
   }
 
   Sampler* sampler = isolate->logger()->sampler();
   if (sampler == NULL || !sampler->IsActive()) return;
 
   TickSample sample_obj;
   TickSample* sample = isolate->cpu_profiler()->TickSampleEvent();
   if (sample == NULL) sample = &sample_obj;
 
+#if defined(USE_SIMULATOR)
+#if V8_TARGET_ARCH_ARM || V8_TARGET_ARCH_MIPS
+  Isolate::PerIsolateThreadData* per_thread_data =
+      isolate->FindPerThreadDataForThisThread();
+  if (!per_thread_data) return;
+  Simulator* sim = per_thread_data->simulator();
+  // Check if there is active simulator before allocating TickSample.
+  if (!sim) return;
+#endif
+#endif  // USE_SIMULATOR
+
   // Extracting the sample from the context is extremely machine dependent.
   ucontext_t* ucontext = reinterpret_cast<ucontext_t*>(context);
   mcontext_t& mcontext = ucontext->uc_mcontext;
   sample->state = isolate->current_vm_state();
 
+#if defined(USE_SIMULATOR)
+#if V8_TARGET_ARCH_ARM
+  sample->pc = reinterpret_cast<Address>(sim->get_register(Simulator::pc));
+  sample->sp = reinterpret_cast<Address>(sim->get_register(Simulator::sp));
+  sample->fp = reinterpret_cast<Address>(sim->get_register(Simulator::r11));
+#elif V8_TARGET_ARCH_MIPS
+  sample->pc = reinterpret_cast<Address>(sim->get_register(Simulator::pc));
+  sample->sp = reinterpret_cast<Address>(sim->get_register(Simulator::sp));
+  sample->fp = reinterpret_cast<Address>(sim->get_register(Simulator::fp));
+#endif
+#else
   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]);
+#endif  // USE_SIMULATOR
 
   sampler->SampleStack(sample);
   sampler->Tick(sample);
 }
 
 class Sampler::PlatformData : public Malloced {
  public:
   PlatformData() : vm_tid_(GetThreadID()) {}
 
   pthread_t vm_tid() const { return vm_tid_; }
@@ skipping 159 matching lines @@
 }
 
 
 void Sampler::Stop() {
   ASSERT(IsActive());
   SignalSender::RemoveActiveSampler(this);
   SetActive(false);
 }
 
 } }  // namespace v8::internal