| // Copyright (c) 2024, 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. |
| // |
| // Routines to extract the current stack trace. These functions are |
| // thread-safe. |
| |
| #ifndef GLOG_INTERNAL_STACKTRACE_H |
| #define GLOG_INTERNAL_STACKTRACE_H |
| |
| #include "glog/platform.h" |
| |
| #if defined(GLOG_USE_GLOG_EXPORT) |
| # include "glog/export.h" |
| #endif |
| |
| #if !defined(GLOG_NO_EXPORT) |
| # error "stacktrace.h" was not included correctly. |
| #endif |
| |
| #include "config.h" |
| #if defined(HAVE_LIBUNWIND) |
| # define STACKTRACE_H "stacktrace_libunwind-inl.h" |
| #elif defined(HAVE_UNWIND) |
| # define STACKTRACE_H "stacktrace_unwind-inl.h" |
| #elif !defined(NO_FRAME_POINTER) |
| # if defined(__i386__) && __GNUC__ >= 2 |
| # define STACKTRACE_H "stacktrace_x86-inl.h" |
| # elif (defined(__ppc__) || defined(__PPC__)) && __GNUC__ >= 2 |
| # define STACKTRACE_H "stacktrace_powerpc-inl.h" |
| # elif defined(GLOG_OS_WINDOWS) |
| # define STACKTRACE_H "stacktrace_windows-inl.h" |
| # endif |
| #endif |
| |
| #if !defined(STACKTRACE_H) && defined(HAVE_EXECINFO_BACKTRACE) |
| # define STACKTRACE_H "stacktrace_generic-inl.h" |
| #endif |
| |
| #if defined(STACKTRACE_H) |
| # define HAVE_STACKTRACE |
| #endif |
| |
| namespace google { |
| inline namespace glog_internal_namespace_ { |
| |
| #if defined(HAVE_STACKTRACE) |
| |
| // This is similar to the GetStackFrames routine, except that it returns |
| // the stack trace only, and not the stack frame sizes as well. |
| // Example: |
| // main() { foo(); } |
| // foo() { bar(); } |
| // bar() { |
| // void* result[10]; |
| // int depth = GetStackFrames(result, 10, 1); |
| // } |
| // |
| // This produces: |
| // result[0] foo |
| // result[1] main |
| // .... ... |
| // |
| // "result" must not be nullptr. |
| GLOG_NO_EXPORT int GetStackTrace(void** result, int max_depth, int skip_count); |
| |
| #endif // defined(HAVE_STACKTRACE) |
| |
| } // namespace glog_internal_namespace_ |
| } // namespace google |
| |
| #endif // GLOG_INTERNAL_STACKTRACE_H |
