v8/test/cctest/profiler-extension.cc
Ross McIlroy 9cde880856 [Compile] Ensure we don't access the native context during bytecode finalization.
Resets the isolate's context to nullptr in debug builds during bytecode finalization
to ensure that we don't rely on the native context during context independent
unoptimized compilation.

BUG=chromium:898076, v8:8041

Change-Id: Ifaa5006a7a3d31d7fbd535ebb63f8889c75526c4
Reviewed-on: https://chromium-review.googlesource.com/c/1297961
Commit-Queue: Ross McIlroy <rmcilroy@chromium.org>
Reviewed-by: Leszek Swirski <leszeks@chromium.org>
Cr-Commit-Position: refs/heads/master@{#56979}
2018-10-25 11:03:33 +00:00

80 lines
3.3 KiB
C++

// Copyright 2013 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
// with the distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// Tests of profiles generator and utilities.
#include "test/cctest/profiler-extension.h"
#include "test/cctest/cctest.h"
namespace v8 {
namespace internal {
v8::CpuProfiler* ProfilerExtension::profiler_ = nullptr;
v8::CpuProfile* ProfilerExtension::last_profile = nullptr;
const char* ProfilerExtension::kSource =
"native function startProfiling();"
"native function stopProfiling();"
"native function collectSample();";
v8::Local<v8::FunctionTemplate> ProfilerExtension::GetNativeFunctionTemplate(
v8::Isolate* isolate, v8::Local<v8::String> name) {
if (name->StrictEquals(v8_str(isolate, "startProfiling"))) {
return v8::FunctionTemplate::New(isolate,
ProfilerExtension::StartProfiling);
}
if (name->StrictEquals(v8_str(isolate, "stopProfiling"))) {
return v8::FunctionTemplate::New(isolate, ProfilerExtension::StopProfiling);
}
if (name->StrictEquals(v8_str(isolate, "collectSample"))) {
return v8::FunctionTemplate::New(isolate, ProfilerExtension::CollectSample);
}
UNREACHABLE();
}
void ProfilerExtension::StartProfiling(
const v8::FunctionCallbackInfo<v8::Value>& args) {
last_profile = nullptr;
profiler_->StartProfiling(args.Length() > 0
? args[0].As<v8::String>()
: v8::String::Empty(args.GetIsolate()));
}
void ProfilerExtension::StopProfiling(
const v8::FunctionCallbackInfo<v8::Value>& args) {
last_profile = profiler_->StopProfiling(
args.Length() > 0 ? args[0].As<v8::String>()
: v8::String::Empty(args.GetIsolate()));
}
void ProfilerExtension::CollectSample(
const v8::FunctionCallbackInfo<v8::Value>& args) {
v8::CpuProfiler::CollectSample(args.GetIsolate());
}
} // namespace internal
} // namespace v8