1 // Copyright (c) 2006-2009 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 // A file you can include instead of <execinfo.h> if your project might need 6 // to run on Mac OS X 10.4. 7 8 #ifndef BASE_COMPAT_EXECINFO_H_ 9 #define BASE_COMPAT_EXECINFO_H_ 10 #pragma once 11 12 #include "build/build_config.h" 13 14 #if defined(OS_MACOSX) 15 #include <AvailabilityMacros.h> 16 #endif 17 18 #if defined(OS_MACOSX) && MAC_OS_X_VERSION_MIN_REQUIRED < MAC_OS_X_VERSION_10_5 19 // Manually define these here as weak imports, rather than including execinfo.h. 20 // This lets us launch on 10.4 which does not have these calls. 21 extern "C" { 22 23 extern int backtrace(void**, int) __attribute__((weak_import)); 24 extern char** backtrace_symbols(void* const*, int) 25 __attribute__((weak_import)); 26 extern void backtrace_symbols_fd(void* const*, int, int) 27 __attribute__((weak_import)); 28 29 } // extern "C" 30 #elif defined(ANDROID) 31 extern "C" { 32 extern int backtrace(void**, int); 33 extern char** backtrace_symbols(void* const*, int); 34 extern void backtrace_symbols_fd(void* const*, int, int); 35 } // extern "C" 36 #else 37 #include <execinfo.h> 38 #endif 39 40 #endif // BASE_COMPAT_EXECINFO_H_ 41