|  | // Copyright (c) 2009, Google Inc. | 
|  | // All rights reserved. | 
|  | // | 
|  | // Redistribution and use in source and binary forms, with or without | 
|  | // modification, are permitted provided that the following conditions are | 
|  | // met: | 
|  | // | 
|  | //     * Redistributions of source code must retain the above copyright | 
|  | // notice, this list of conditions and the following disclaimer. | 
|  | //     * Redistributions in binary form must reproduce the above | 
|  | // copyright notice, this list of conditions and the following disclaimer | 
|  | // in the documentation and/or other materials provided with the | 
|  | // distribution. | 
|  | //     * Neither the name of Google Inc. nor the names of its | 
|  | // contributors may be used to endorse or promote products derived from | 
|  | // this software without specific prior written permission. | 
|  | // | 
|  | // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | 
|  | // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | 
|  | // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | 
|  | // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | 
|  | // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | 
|  | // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | 
|  | // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | 
|  | // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | 
|  | // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 
|  | // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 
|  | // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 
|  |  | 
|  | // --- | 
|  | // Author: Paul Pluzhnikov | 
|  | // | 
|  | // Figure out which unwinder to use on a given platform. | 
|  | // | 
|  | // Defines STACKTRACE_INL_HEADER to the *-inl.h containing | 
|  | // actual unwinder implementation. | 
|  | // | 
|  | // Defines STACKTRACE_SKIP_CONTEXT_ROUTINES if a separate | 
|  | // GetStack{Trace,Frames}WithContext should not be provided. | 
|  | // | 
|  | // This header is "private" to stacktrace.cc and | 
|  | // stacktrace_with_context.cc. | 
|  | // | 
|  | // DO NOT include it into any other files. | 
|  |  | 
|  | #ifndef BASE_STACKTRACE_CONFIG_H_ | 
|  | #define BASE_STACKTRACE_CONFIG_H_ | 
|  |  | 
|  | // First, the i386 and x86_64 case. | 
|  | #if (defined(__i386__) || defined(__x86_64__)) && __GNUC__ >= 2 | 
|  | # if !defined(NO_FRAME_POINTER) | 
|  | #   define STACKTRACE_INL_HEADER "stacktrace_x86-inl.h" | 
|  | #   define STACKTRACE_SKIP_CONTEXT_ROUTINES 1 | 
|  | # elif defined(HAVE_LIBUNWIND_H)  // a proxy for having libunwind installed | 
|  | #   define STACKTRACE_INL_HEADER "stacktrace_libunwind-inl.h" | 
|  | #   define STACKTRACE_USES_LIBUNWIND 1 | 
|  | # elif defined(__linux) | 
|  | #   error Cannnot calculate stack trace: need either libunwind or frame-pointers (see INSTALL file) | 
|  | # else | 
|  | #   error Cannnot calculate stack trace: need libunwind (see INSTALL file) | 
|  | # endif | 
|  |  | 
|  | // The PowerPC case | 
|  | #elif (defined(__ppc__) || defined(__PPC__)) && __GNUC__ >= 2 | 
|  | # if !defined(NO_FRAME_POINTER) | 
|  | #   define STACKTRACE_INL_HEADER "stacktrace_powerpc-inl.h" | 
|  | # else | 
|  | #   define STACKTRACE_INL_HEADER "stacktrace_generic-inl.h" | 
|  | # endif | 
|  |  | 
|  | // The Android case | 
|  | #elif defined(__ANDROID__) | 
|  | #define STACKTRACE_INL_HEADER "stacktrace_android-inl.h" | 
|  |  | 
|  | // The ARM case | 
|  | #elif defined(__arm__)  && __GNUC__ >= 2 | 
|  | # if !defined(NO_FRAME_POINTER) | 
|  | #   define STACKTRACE_INL_HEADER "stacktrace_arm-inl.h" | 
|  | # else | 
|  | #   error stacktrace without frame pointer is not supported on ARM | 
|  | # endif | 
|  |  | 
|  | // The Windows case -- probably cygwin and mingw will use one of the | 
|  | // x86-includes above, but if not, we can fall back to windows intrinsics. | 
|  | #elif defined(_WIN32) || defined(__CYGWIN__) || defined(__CYGWIN32__) || defined(__MINGW32__) | 
|  | # define STACKTRACE_INL_HEADER "stacktrace_win32-inl.h" | 
|  |  | 
|  | #endif  // all the cases | 
|  | #endif  // BASE_STACKTRACE_CONFIG_H_ |