1 // Copyright (c) 2000 - 2007, 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 // Routines to extract the current stack trace. These functions are 31 // thread-safe. 32 33 #ifndef BASE_STACKTRACE_H_ 34 #define BASE_STACKTRACE_H_ 35 36 #include "config.h" 37 38 _START_GOOGLE_NAMESPACE_ 39 40 // This is similar to the GetStackFrames routine, except that it returns 41 // the stack trace only, and not the stack frame sizes as well. 42 // Example: 43 // main() { foo(); } 44 // foo() { bar(); } 45 // bar() { 46 // void* result[10]; 47 // int depth = GetStackFrames(result, 10, 1); 48 // } 49 // 50 // This produces: 51 // result[0] foo 52 // result[1] main 53 // .... ... 54 // 55 // "result" must not be NULL. 56 extern int GetStackTrace(void** result, int max_depth, int skip_count); 57 58 _END_GOOGLE_NAMESPACE_ 59 60 #endif // BASE_STACKTRACE_H_ 61