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https://github.com/mozilla/gecko-dev.git
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e39a3d6b7c
When Android shuts down the ndk process, it doesn't call the registered atexit() handlers, which is normally where the profile data gets written to file. Since the PGO test suite closes the browser when it is finished, the nativeRun routine can manually call out to __llvm_profile_dump() before returning. This method has a downside that only the profile data from the calling library gets written out, rather than for the whole process. Since we are most interested in optimizing libxul, a new hook is added in Bootstrap to make sure we get the profile data for the right library. Differential Revision: https://phabricator.services.mozilla.com/D22817 --HG-- extra : source : 0615c775a0cf6e8f98e1c051cd574c0d602a738a
117 lines
3.2 KiB
C++
117 lines
3.2 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "mozilla/Bootstrap.h"
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#include "nsXPCOM.h"
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#include "AutoSQLiteLifetime.h"
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#ifdef MOZ_WIDGET_ANDROID
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# ifdef MOZ_PROFILE_GENERATE
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extern "C" int __llvm_profile_dump(void);
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# endif
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#endif
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namespace mozilla {
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class BootstrapImpl final : public Bootstrap {
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protected:
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AutoSQLiteLifetime mSQLLT;
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virtual void Dispose() override { delete this; }
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public:
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BootstrapImpl() {}
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~BootstrapImpl() {}
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virtual void NS_LogInit() override { ::NS_LogInit(); }
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virtual void NS_LogTerm() override { ::NS_LogTerm(); }
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virtual void XRE_TelemetryAccumulate(int aID, uint32_t aSample) override {
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::XRE_TelemetryAccumulate(aID, aSample);
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}
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virtual void XRE_StartupTimelineRecord(int aEvent,
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mozilla::TimeStamp aWhen) override {
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::XRE_StartupTimelineRecord(aEvent, aWhen);
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}
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virtual int XRE_main(int argc, char* argv[],
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const BootstrapConfig& aConfig) override {
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return ::XRE_main(argc, argv, aConfig);
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}
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virtual void XRE_StopLateWriteChecks() override {
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::XRE_StopLateWriteChecks();
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}
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virtual int XRE_XPCShellMain(int argc, char** argv, char** envp,
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const XREShellData* aShellData) override {
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return ::XRE_XPCShellMain(argc, argv, envp, aShellData);
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}
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virtual GeckoProcessType XRE_GetProcessType() override {
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return ::XRE_GetProcessType();
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}
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virtual void XRE_SetProcessType(const char* aProcessTypeString) override {
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::XRE_SetProcessType(aProcessTypeString);
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}
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virtual nsresult XRE_InitChildProcess(
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int argc, char* argv[], const XREChildData* aChildData) override {
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return ::XRE_InitChildProcess(argc, argv, aChildData);
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}
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virtual void XRE_EnableSameExecutableForContentProc() override {
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::XRE_EnableSameExecutableForContentProc();
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}
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#ifdef MOZ_WIDGET_ANDROID
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virtual void GeckoStart(JNIEnv* aEnv, char** argv, int argc,
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const StaticXREAppData& aAppData) override {
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::GeckoStart(aEnv, argv, argc, aAppData);
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}
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virtual void XRE_SetAndroidChildFds(
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JNIEnv* aEnv, const XRE_AndroidChildFds& aFds) override {
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::XRE_SetAndroidChildFds(aEnv, aFds);
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}
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# ifdef MOZ_PROFILE_GENERATE
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virtual void XRE_WriteLLVMProfData() override {
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__android_log_print(ANDROID_LOG_INFO, "GeckoLibLoad",
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"Calling __llvm_profile_dump()");
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__llvm_profile_dump();
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}
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# endif
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#endif
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#ifdef LIBFUZZER
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virtual void XRE_LibFuzzerSetDriver(LibFuzzerDriver aDriver) override {
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::XRE_LibFuzzerSetDriver(aDriver);
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}
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#endif
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#ifdef MOZ_IPDL_TESTS
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virtual int XRE_RunIPDLTest(int argc, char** argv) override {
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return ::XRE_RunIPDLTest(argc, argv);
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}
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#endif
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};
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extern "C" NS_EXPORT void NS_FROZENCALL
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XRE_GetBootstrap(Bootstrap::UniquePtr& b) {
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static bool sBootstrapInitialized = false;
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MOZ_RELEASE_ASSERT(!sBootstrapInitialized);
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sBootstrapInitialized = true;
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b.reset(new BootstrapImpl());
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}
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} // namespace mozilla
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