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. 21extern "C" { 22 23extern int backtrace(void**, int) __attribute__((weak_import)); 24extern char** backtrace_symbols(void* const*, int) 25 __attribute__((weak_import)); 26extern void backtrace_symbols_fd(void* const*, int, int) 27 __attribute__((weak_import)); 28 29} // extern "C" 30#elif defined(ANDROID) 31extern "C" { 32extern int backtrace(void**, int); 33extern char** backtrace_symbols(void* const*, int); 34extern 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