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// Figure out which unwinder to use on a given platform. 34// 35// Defines STACKTRACE_INL_HEADER to the *-inl.h containing 36// actual unwinder implementation. 37// 38// Defines STACKTRACE_SKIP_CONTEXT_ROUTINES if a separate 39// GetStack{Trace,Frames}WithContext should not be provided. 40// 41// This header is "private" to stacktrace.cc and 42// stacktrace_with_context.cc. 43// 44// DO NOT include it into any other files. 45 46#ifndef BASE_STACKTRACE_CONFIG_H_ 47#define BASE_STACKTRACE_CONFIG_H_ 48 49// First, the i386 and x86_64 case. 50#if (defined(__i386__) || defined(__x86_64__)) && __GNUC__ >= 2 51# if !defined(NO_FRAME_POINTER) 52# define STACKTRACE_INL_HEADER "stacktrace_x86-inl.h" 53# define STACKTRACE_SKIP_CONTEXT_ROUTINES 1 54# elif defined(HAVE_LIBUNWIND_H) // a proxy for having libunwind installed 55# define STACKTRACE_INL_HEADER "stacktrace_libunwind-inl.h" 56# define STACKTRACE_USES_LIBUNWIND 1 57# elif defined(__linux) 58# error Cannnot calculate stack trace: need either libunwind or frame-pointers (see INSTALL file) 59# else 60# error Cannnot calculate stack trace: need libunwind (see INSTALL file) 61# endif 62 63// The PowerPC case 64#elif (defined(__ppc__) || defined(__PPC__)) && __GNUC__ >= 2 65# if !defined(NO_FRAME_POINTER) 66# define STACKTRACE_INL_HEADER "stacktrace_powerpc-inl.h" 67# else 68# define STACKTRACE_INL_HEADER "stacktrace_generic-inl.h" 69# endif 70 71// The ARM case 72#elif defined(__arm__) && __GNUC__ >= 2 73# if !defined(NO_FRAME_POINTER) 74# define STACKTRACE_INL_HEADER "stacktrace_arm-inl.h" 75# else 76# error stacktrace without frame pointer is not supported on ARM 77# endif 78 79// The Windows case -- probably cygwin and mingw will use one of the 80// x86-includes above, but if not, we can fall back to windows intrinsics. 81#elif defined(_WIN32) || defined(__CYGWIN__) || defined(__CYGWIN32__) || defined(__MINGW32__) 82# define STACKTRACE_INL_HEADER "stacktrace_win32-inl.h" 83 84#endif // all the cases 85#endif // BASE_STACKTRACE_CONFIG_H_ 86