Initial GetSample implementation.

test/cctest/test-log-stack-tracer.cc

 // Copyright 2011 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 46 matching lines @@
 
 
 static bool IsAddressWithinFuncCode(JSFunction* function, Address addr) {
   i::Code* code = function->code();
   return code->contains(addr);
 }
 
 
 static bool IsAddressWithinFuncCode(v8::Local<v8::Context> context,
                                     const char* func_name,
-                                    Address addr) {
+                                    void* addr) {
   v8::Local<v8::Value> func = context->Global()->Get(v8_str(func_name));
   CHECK(func->IsFunction());
   JSFunction* js_func = JSFunction::cast(*v8::Utils::OpenHandle(*func));
-  return IsAddressWithinFuncCode(js_func, addr);
+  return IsAddressWithinFuncCode(js_func, static_cast<Address>(addr));
 }
 
 
 // This C++ function is called as a constructor, to grab the frame pointer
 // from the calling function.  When this function runs, the stack contains
 // a C_Entry frame and a Construct frame above the calling function's frame.
 static void construct_call(const v8::FunctionCallbackInfo<v8::Value>& args) {
   i::Isolate* isolate = reinterpret_cast<i::Isolate*>(args.GetIsolate());
   i::StackFrameIterator frame_iterator(isolate);
   CHECK(frame_iterator.frame()->is_exit());
@@ skipping 195 matching lines @@
   v8::Local<v8::Context> context = CcTest::NewContext(TRACE_EXTENSION);
   v8::Context::Scope context_scope(context);
   CHECK_EQ(0, i::TraceExtension::GetJsEntrySp());
   CompileRun("a = 1; b = a + 1;");
   CHECK_EQ(0, i::TraceExtension::GetJsEntrySp());
   CompileRun("js_entry_sp();");
   CHECK_EQ(0, i::TraceExtension::GetJsEntrySp());
   CompileRun("js_entry_sp_level2();");
   CHECK_EQ(0, i::TraceExtension::GetJsEntrySp());
 }