CpuProfiler: public API for deopt info in cpu profiler.

test/cctest/test-cpu-profiler.cc

 // Copyright 2010 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 38 matching lines @@
 using i::SmartPointer;
 using i::Vector;
 
 
 // Helper methods
 static v8::Local<v8::Function> GetFunction(v8::Context* env, const char* name) {
   return v8::Local<v8::Function>::Cast(env->Global()->Get(v8_str(name)));
 }
 
 
-static int offset(const char* src, const char* substring) {
-  return static_cast<int>(strstr(src, substring) - src);
+static unsigned int offset(const char* src, const char* substring) {

[alph, 2015/03/30 12:31:21]

could you please add a check that strstr is not null.

[loislo, 2015/03/30 13:04:22]

done

+  return static_cast<unsigned int>(strstr(src, substring) - src);
 }
 
 
 static const char* reason(const i::Deoptimizer::DeoptReason reason) {
   return i::Deoptimizer::GetDeoptReason(reason);
 }
 
 
 TEST(StartStop) {
   i::Isolate* isolate = CcTest::i_isolate();
@@ skipping 1953 matching lines @@
   iprofile->Print();
   v8::CpuProfile* profile = reinterpret_cast<v8::CpuProfile*>(iprofile);
 
   const char* branch[] = {"", "test"};
   const ProfileNode* itest_node =
       GetSimpleBranch(profile, branch, arraysize(branch));
   CHECK_EQ(0, itest_node->deopt_infos().size());
 
   iprofiler->DeleteProfile(iprofile);
 }