1// Copyright (c) 2009, Google Inc. 2// All rights reserved. 3// 4// Redistribution and use in source and binary forms, with or without 5// modification, are permitted provided that the following conditions are 6// met: 7// 8// * Redistributions of source code must retain the above copyright 9// notice, this list of conditions and the following disclaimer. 10// * Redistributions in binary form must reproduce the above 11// copyright notice, this list of conditions and the following disclaimer 12// in the documentation and/or other materials provided with the 13// distribution. 14// * Neither the name of Google Inc. nor the names of its 15// contributors may be used to endorse or promote products derived from 16// this software without specific prior written permission. 17// 18// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 30// --- 31// Author: Paul Pluzhnikov 32// 33// This code logically belongs in stacktrace.cc, but 34// it is moved into (this) separate file in order to 35// prevent inlining of routines defined here. 36// 37// Inlining causes skip_count to be incorrect, and there 38// is no portable way to prevent it. 39// 40// Eventually LTO (link-time optimization) and/or LLVM 41// may inline this code anyway. Let's hope they respect 42// ATTRIBUTE_NOINLINE. 43 44#include <config.h> 45#include <gperftools/stacktrace.h> 46#include "stacktrace_config.h" 47#include "base/basictypes.h" 48 49#if !defined(STACKTRACE_SKIP_CONTEXT_ROUTINES) 50ATTRIBUTE_NOINLINE PERFTOOLS_DLL_DECL 51int GetStackFramesWithContext(void** pcs, int* sizes, int max_depth, 52 int skip_count, const void * /* uc */) { 53 return GetStackFrames(pcs, sizes, max_depth, skip_count + 1); 54} 55 56ATTRIBUTE_NOINLINE PERFTOOLS_DLL_DECL 57int GetStackTraceWithContext(void** result, int max_depth, 58 int skip_count, const void * /* uc */) { 59 return GetStackTrace(result, max_depth, skip_count + 1); 60} 61#endif 62