dart-sdk/runtime/lib/profiler.cc

55 lines
1.6 KiB
C++

// Copyright (c) 2014, the Dart project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.
#include "vm/bootstrap_natives.h"
#include "include/dart_api.h"
#include "vm/exceptions.h"
#include "vm/native_entry.h"
#include "vm/object.h"
#include "vm/object_store.h"
namespace dart {
DECLARE_FLAG(bool, trace_intrinsified_natives);
// Native implementations of the profiler parts of the dart:developer library.
DEFINE_NATIVE_ENTRY(UserTag_new, 2) {
ASSERT(TypeArguments::CheckedHandle(arguments->NativeArgAt(0)).IsNull());
GET_NON_NULL_NATIVE_ARGUMENT(String, tag_label, arguments->NativeArgAt(1));
return UserTag::New(tag_label);
}
DEFINE_NATIVE_ENTRY(UserTag_label, 1) {
const UserTag& self = UserTag::CheckedHandle(arguments->NativeArgAt(0));
return self.label();
}
DEFINE_NATIVE_ENTRY(UserTag_makeCurrent, 1) {
const UserTag& self = UserTag::CheckedHandle(arguments->NativeArgAt(0));
if (FLAG_trace_intrinsified_natives) {
OS::Print("UserTag_makeCurrent: %s\n", self.ToCString());
}
const UserTag& old = UserTag::Handle(isolate->current_tag());
self.MakeActive();
return old.raw();
}
DEFINE_NATIVE_ENTRY(UserTag_defaultTag, 0) {
if (FLAG_trace_intrinsified_natives) {
OS::Print("UserTag_defaultTag\n");
}
return isolate->default_tag();
}
DEFINE_NATIVE_ENTRY(Profiler_getCurrentTag, 0) {
if (FLAG_trace_intrinsified_natives) {
OS::Print("Profiler_getCurrentTag\n");
}
return isolate->current_tag();
}
} // namespace dart