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 11 #include "build/build_config.h" 12 13 #if defined(OS_MACOSX) 14 #include <AvailabilityMacros.h> 15 #endif 16 17 #if defined(OS_MACOSX) && MAC_OS_X_VERSION_MIN_REQUIRED < MAC_OS_X_VERSION_10_5 18 // Manually define these here as weak imports, rather than including execinfo.h. 19 // This lets us launch on 10.4 which does not have these calls. 20 extern "C" { 21 22 extern int backtrace(void**, int) __attribute__((weak_import)); 23 extern char** backtrace_symbols(void* const*, int) 24 __attribute__((weak_import)); 25 extern void backtrace_symbols_fd(void* const*, int, int) 26 __attribute__((weak_import)); 27 28 } // extern "C" 29 #else 30 #include <execinfo.h> 31 #endif 32 33 #endif // BASE_COMPAT_EXECINFO_H_ 34