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

src/platform-solaris.cc

Index: src/platform-solaris.cc
diff --git a/src/platform-solaris.cc b/src/platform-solaris.cc
index 6e02a25bcfd1133ccc88ba8ac7748a33f4f9afba..d1d9b2450f24cb18ac26350464e8613b716da68e 100644
--- a/src/platform-solaris.cc
+++ b/src/platform-solaris.cc
@@ -54,6 +54,7 @@
 
 #include "platform-posix.h"
 #include "platform.h"
+#include "simulator.h"
 #include "v8threads.h"
 #include "vm-state-inl.h"
 
@@ -686,14 +687,37 @@ static void ProfilerSignalHandler(int signal, siginfo_t* info, void* context) {
   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);