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) 50 ATTRIBUTE_NOINLINE PERFTOOLS_DLL_DECL 51 int 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 56 ATTRIBUTE_NOINLINE PERFTOOLS_DLL_DECL 57 int 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
