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daba448963
--HG-- rename : tools/profiler/EHABIStackWalk.cpp => tools/profiler/core/EHABIStackWalk.cpp rename : tools/profiler/EHABIStackWalk.h => tools/profiler/core/EHABIStackWalk.h rename : tools/profiler/TableTicker.cpp => tools/profiler/core/GeckoSampler.cpp rename : tools/profiler/TableTicker.h => tools/profiler/core/GeckoSampler.h rename : tools/profiler/IntelPowerGadget.cpp => tools/profiler/core/IntelPowerGadget.cpp rename : tools/profiler/IntelPowerGadget.h => tools/profiler/core/IntelPowerGadget.h rename : tools/profiler/PlatformMacros.h => tools/profiler/core/PlatformMacros.h rename : tools/profiler/ProfileEntry.cpp => tools/profiler/core/ProfileEntry.cpp rename : tools/profiler/ProfileEntry.h => tools/profiler/core/ProfileEntry.h rename : tools/profiler/ProfileJSONWriter.cpp => tools/profiler/core/ProfileJSONWriter.cpp rename : tools/profiler/ProfileJSONWriter.h => tools/profiler/core/ProfileJSONWriter.h rename : tools/profiler/ProfilerBacktrace.cpp => tools/profiler/core/ProfilerBacktrace.cpp rename : tools/profiler/ProfilerMarkers.cpp => tools/profiler/core/ProfilerMarkers.cpp rename : tools/profiler/SyncProfile.cpp => tools/profiler/core/SyncProfile.cpp rename : tools/profiler/SyncProfile.h => tools/profiler/core/SyncProfile.h rename : tools/profiler/platform-linux.cc => tools/profiler/core/platform-linux.cc rename : tools/profiler/platform-macos.cc => tools/profiler/core/platform-macos.cc rename : tools/profiler/platform-win32.cc => tools/profiler/core/platform-win32.cc rename : tools/profiler/platform.cpp => tools/profiler/core/platform.cpp rename : tools/profiler/platform.h => tools/profiler/core/platform.h rename : tools/profiler/shared-libraries-linux.cc => tools/profiler/core/shared-libraries-linux.cc rename : tools/profiler/shared-libraries-macos.cc => tools/profiler/core/shared-libraries-macos.cc rename : tools/profiler/shared-libraries-win32.cc => tools/profiler/core/shared-libraries-win32.cc rename : tools/profiler/shim_mac_dump_syms.h => tools/profiler/core/shim_mac_dump_syms.h rename : tools/profiler/shim_mac_dump_syms.mm => tools/profiler/core/shim_mac_dump_syms.mm rename : tools/profiler/v8-support.h => tools/profiler/core/v8-support.h rename : tools/profiler/ProfileGatherer.cpp => tools/profiler/gecko/ProfileGatherer.cpp rename : tools/profiler/Profiler.jsm => tools/profiler/gecko/Profiler.jsm rename : tools/profiler/ProfilerIOInterposeObserver.cpp => tools/profiler/gecko/ProfilerIOInterposeObserver.cpp rename : tools/profiler/ProfilerIOInterposeObserver.h => tools/profiler/gecko/ProfilerIOInterposeObserver.h rename : tools/profiler/SaveProfileTask.cpp => tools/profiler/gecko/SaveProfileTask.cpp rename : tools/profiler/SaveProfileTask.h => tools/profiler/gecko/SaveProfileTask.h rename : tools/profiler/ThreadResponsiveness.cpp => tools/profiler/gecko/ThreadResponsiveness.cpp rename : tools/profiler/ThreadResponsiveness.h => tools/profiler/gecko/ThreadResponsiveness.h rename : tools/profiler/local_debug_info_symbolizer.cc => tools/profiler/gecko/local_debug_info_symbolizer.cc rename : tools/profiler/local_debug_info_symbolizer.h => tools/profiler/gecko/local_debug_info_symbolizer.h rename : tools/profiler/nsIProfileSaveEvent.idl => tools/profiler/gecko/nsIProfileSaveEvent.idl rename : tools/profiler/nsIProfiler.idl => tools/profiler/gecko/nsIProfiler.idl rename : tools/profiler/nsProfiler.cpp => tools/profiler/gecko/nsProfiler.cpp rename : tools/profiler/nsProfiler.h => tools/profiler/gecko/nsProfiler.h rename : tools/profiler/nsProfilerCIID.h => tools/profiler/gecko/nsProfilerCIID.h rename : tools/profiler/nsProfilerFactory.cpp => tools/profiler/gecko/nsProfilerFactory.cpp rename : tools/profiler/nsProfilerStartParams.cpp => tools/profiler/gecko/nsProfilerStartParams.cpp rename : tools/profiler/nsProfilerStartParams.h => tools/profiler/gecko/nsProfilerStartParams.h rename : tools/profiler/AutoObjectMapper.cpp => tools/profiler/lul/AutoObjectMapper.cpp rename : tools/profiler/AutoObjectMapper.h => tools/profiler/lul/AutoObjectMapper.h rename : tools/profiler/LulCommon.cpp => tools/profiler/lul/LulCommon.cpp rename : tools/profiler/LulCommonExt.h => tools/profiler/lul/LulCommonExt.h rename : tools/profiler/LulDwarf.cpp => tools/profiler/lul/LulDwarf.cpp rename : tools/profiler/LulDwarfExt.h => tools/profiler/lul/LulDwarfExt.h rename : tools/profiler/LulDwarfInt.h => tools/profiler/lul/LulDwarfInt.h rename : tools/profiler/LulDwarfSummariser.cpp => tools/profiler/lul/LulDwarfSummariser.cpp rename : tools/profiler/LulDwarfSummariser.h => tools/profiler/lul/LulDwarfSummariser.h rename : tools/profiler/LulElf.cpp => tools/profiler/lul/LulElf.cpp rename : tools/profiler/LulElfExt.h => tools/profiler/lul/LulElfExt.h rename : tools/profiler/LulElfInt.h => tools/profiler/lul/LulElfInt.h rename : tools/profiler/LulMain.cpp => tools/profiler/lul/LulMain.cpp rename : tools/profiler/LulMain.h => tools/profiler/lul/LulMain.h rename : tools/profiler/LulMainInt.h => tools/profiler/lul/LulMainInt.h rename : tools/profiler/LulPlatformMacros.h => tools/profiler/lul/LulPlatformMacros.h rename : tools/profiler/platform-linux-lul.cpp => tools/profiler/lul/platform-linux-lul.cpp rename : tools/profiler/platform-linux-lul.h => tools/profiler/lul/platform-linux-lul.h rename : tools/profiler/GeckoProfiler.h => tools/profiler/public/GeckoProfiler.h rename : tools/profiler/GeckoProfilerFunc.h => tools/profiler/public/GeckoProfilerFunc.h rename : tools/profiler/GeckoProfilerImpl.h => tools/profiler/public/GeckoProfilerImpl.h rename : tools/profiler/ProfileGatherer.h => tools/profiler/public/ProfileGatherer.h rename : tools/profiler/ProfilerBacktrace.h => tools/profiler/public/ProfilerBacktrace.h rename : tools/profiler/ProfilerMarkers.h => tools/profiler/public/ProfilerMarkers.h rename : tools/profiler/PseudoStack.h => tools/profiler/public/PseudoStack.h rename : tools/profiler/shared-libraries.h => tools/profiler/public/shared-libraries.h rename : tools/profiler/GeckoTaskTracer.cpp => tools/profiler/tasktracer/GeckoTaskTracer.cpp rename : tools/profiler/GeckoTaskTracer.h => tools/profiler/tasktracer/GeckoTaskTracer.h rename : tools/profiler/GeckoTaskTracerImpl.h => tools/profiler/tasktracer/GeckoTaskTracerImpl.h rename : tools/profiler/SourceEventTypeMap.h => tools/profiler/tasktracer/SourceEventTypeMap.h rename : tools/profiler/TracedTaskCommon.cpp => tools/profiler/tasktracer/TracedTaskCommon.cpp rename : tools/profiler/TracedTaskCommon.h => tools/profiler/tasktracer/TracedTaskCommon.h extra : commitid : EGgqHIgsN6z
89 lines
2.9 KiB
C++
89 lines
2.9 KiB
C++
/* -*- Mode: C++; tab-width: 2; 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 <stdio.h>
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#include <signal.h>
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#include <string.h>
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#include <stdlib.h>
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#include <time.h>
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#include "platform.h"
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#include "PlatformMacros.h"
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#include "LulMain.h"
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#include "shared-libraries.h"
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#include "AutoObjectMapper.h"
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// Contains miscellaneous helpers that are used to connect SPS and LUL.
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// Find out, in a platform-dependent way, where the code modules got
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// mapped in the process' virtual address space, and get |aLUL| to
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// load unwind info for them.
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void
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read_procmaps(lul::LUL* aLUL)
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{
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MOZ_ASSERT(aLUL->CountMappings() == 0);
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# if defined(SPS_OS_linux) || defined(SPS_OS_android) || defined(SPS_OS_darwin)
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SharedLibraryInfo info = SharedLibraryInfo::GetInfoForSelf();
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for (size_t i = 0; i < info.GetSize(); i++) {
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const SharedLibrary& lib = info.GetEntry(i);
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# if defined(SPS_OS_android) && !defined(MOZ_WIDGET_GONK)
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// We're using faulty.lib. Use a special-case object mapper.
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AutoObjectMapperFaultyLib mapper(aLUL->mLog);
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# else
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// We can use the standard POSIX-based mapper.
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AutoObjectMapperPOSIX mapper(aLUL->mLog);
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# endif
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// Ask |mapper| to map the object. Then hand its mapped address
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// to NotifyAfterMap().
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void* image = nullptr;
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size_t size = 0;
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bool ok = mapper.Map(&image, &size, lib.GetName());
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if (ok && image && size > 0) {
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aLUL->NotifyAfterMap(lib.GetStart(), lib.GetEnd()-lib.GetStart(),
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lib.GetName().c_str(), image);
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} else if (!ok && lib.GetName() == "") {
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// The object has no name and (as a consequence) the mapper
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// failed to map it. This happens on Linux, where
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// GetInfoForSelf() produces two such mappings: one for the
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// executable and one for the VDSO. The executable one isn't a
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// big deal since there's not much interesting code in there,
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// but the VDSO one is a problem on x86-{linux,android} because
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// lack of knowledge about the mapped area inhibits LUL's
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// special __kernel_syscall handling. Hence notify |aLUL| at
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// least of the mapping, even though it can't read any unwind
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// information for the area.
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aLUL->NotifyExecutableArea(lib.GetStart(), lib.GetEnd()-lib.GetStart());
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}
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// |mapper| goes out of scope at this point and so its destructor
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// unmaps the object.
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}
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# else
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# error "Unknown platform"
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# endif
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}
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// LUL needs a callback for its logging sink.
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void
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logging_sink_for_LUL(const char* str) {
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// Ignore any trailing \n, since LOG will add one anyway.
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size_t n = strlen(str);
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if (n > 0 && str[n-1] == '\n') {
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char* tmp = strdup(str);
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tmp[n-1] = 0;
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LOG(tmp);
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free(tmp);
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} else {
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LOG(str);
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}
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}
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