From ac25827a87d86f1cf9e48aab6605f77a2c89041a Mon Sep 17 00:00:00 2001 From: wolfbeast Date: Thu, 24 May 2018 14:06:04 +0200 Subject: Remove SPS profiler. - Conditionals and code blocks. (MOZ_ENABLE_PROFILER_SPS) - Stub out several profiler-only functions. --- tools/profiler/lul/AutoObjectMapper.h | 115 ---------------------------------- 1 file changed, 115 deletions(-) delete mode 100644 tools/profiler/lul/AutoObjectMapper.h (limited to 'tools/profiler/lul/AutoObjectMapper.h') diff --git a/tools/profiler/lul/AutoObjectMapper.h b/tools/profiler/lul/AutoObjectMapper.h deleted file mode 100644 index 3f60dc44d..000000000 --- a/tools/profiler/lul/AutoObjectMapper.h +++ /dev/null @@ -1,115 +0,0 @@ -/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ -/* vim: set ts=8 sts=2 et sw=2 tw=80: */ -/* This Source Code Form is subject to the terms of the Mozilla Public - * License, v. 2.0. If a copy of the MPL was not distributed with this - * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ - -#ifndef AutoObjectMapper_h -#define AutoObjectMapper_h - -#include - -#include "mozilla/Attributes.h" -#include "PlatformMacros.h" - -// A (nearly-) RAII class that maps an object in and then unmaps it on -// destruction. This base class version uses the "normal" POSIX -// functions: open, fstat, close, mmap, munmap. - -class MOZ_STACK_CLASS AutoObjectMapperPOSIX { -public: - // The constructor does not attempt to map the file, because that - // might fail. Instead, once the object has been constructed, - // call Map() to attempt the mapping. There is no corresponding - // Unmap() since the unmapping is done in the destructor. Failure - // messages are sent to |aLog|. - explicit AutoObjectMapperPOSIX(void(*aLog)(const char*)); - - // Unmap the file on destruction of this object. - ~AutoObjectMapperPOSIX(); - - // Map |fileName| into the address space and return the mapping - // extents. If the file is zero sized this will fail. The file is - // mapped read-only and private. Returns true iff the mapping - // succeeded, in which case *start and *length hold its extent. - // Once a call to Map succeeds, all subsequent calls to it will - // fail. - bool Map(/*OUT*/void** start, /*OUT*/size_t* length, std::string fileName); - -protected: - // If we are currently holding a mapped object, these record the - // mapped address range. - void* mImage; - size_t mSize; - - // A logging sink, for complaining about mapping failures. - void (*mLog)(const char*); - -private: - // Are we currently holding a mapped object? This is private to - // the base class. Derived classes need to have their own way to - // track whether they are holding a mapped object. - bool mIsMapped; - - // Disable copying and assignment. - AutoObjectMapperPOSIX(const AutoObjectMapperPOSIX&); - AutoObjectMapperPOSIX& operator=(const AutoObjectMapperPOSIX&); - // Disable heap allocation of this class. - void* operator new(size_t); - void* operator new[](size_t); - void operator delete(void*); - void operator delete[](void*); -}; - - -#if defined(SPS_OS_android) -// This is a variant of AutoObjectMapperPOSIX suitable for use in -// conjunction with faulty.lib on Android. How it behaves depends on -// the name of the file to be mapped. There are three possible cases: -// -// (1) /foo/bar/xyzzy/blah.apk!/libwurble.so -// We hand it as-is to faulty.lib and let it fish the relevant -// bits out of the APK. -// -// (2) libmozglue.so -// This is part of the Fennec installation, but is not in the -// APK. Instead we have to figure out the installation path -// and look for it there. Because of faulty.lib limitations, -// we have to use regular open/mmap instead of faulty.lib. -// -// (3) libanythingelse.so -// faulty.lib assumes this is a system library, and prepends -// "/system/lib/" to the path. So as in (1), we can give it -// as-is to faulty.lib. -// -// Hence (1) and (3) require special-casing here. Case (2) simply -// hands the problem to the parent class. - -class MOZ_STACK_CLASS AutoObjectMapperFaultyLib : public AutoObjectMapperPOSIX { -public: - AutoObjectMapperFaultyLib(void(*aLog)(const char*)); - - ~AutoObjectMapperFaultyLib(); - - bool Map(/*OUT*/void** start, /*OUT*/size_t* length, std::string fileName); - -private: - // faulty.lib requires us to maintain an abstract handle that can be - // used later to unmap the area. If this is non-NULL, it is assumed - // that unmapping is to be done by faulty.lib. Otherwise it goes - // via the normal mechanism. - void* mHdl; - - // Disable copying and assignment. - AutoObjectMapperFaultyLib(const AutoObjectMapperFaultyLib&); - AutoObjectMapperFaultyLib& operator=(const AutoObjectMapperFaultyLib&); - // Disable heap allocation of this class. - void* operator new(size_t); - void* operator new[](size_t); - void operator delete(void*); - void operator delete[](void*); -}; - -#endif // defined(SPS_OS_android) - -#endif // AutoObjectMapper_h -- cgit v1.2.3