98 lines
3.3 KiB
C++
98 lines
3.3 KiB
C++
// Copyright (c) 2024, Google Inc.
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following disclaimer
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// in the documentation and/or other materials provided with the
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// distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived from
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// this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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// Routines to extract the current stack trace. These functions are
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// thread-safe.
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#ifndef GLOG_INTERNAL_STACKTRACE_H
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#define GLOG_INTERNAL_STACKTRACE_H
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#include "glog/platform.h"
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#if defined(GLOG_USE_GLOG_EXPORT)
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# include "glog/export.h"
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#endif
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#if !defined(GLOG_NO_EXPORT)
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# error "stacktrace.h" was not included correctly.
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#endif
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#include "config.h"
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#if defined(HAVE_LIBUNWIND)
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# define STACKTRACE_H "stacktrace_libunwind-inl.h"
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#elif defined(HAVE_UNWIND)
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# define STACKTRACE_H "stacktrace_unwind-inl.h"
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#elif !defined(NO_FRAME_POINTER)
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# if defined(__i386__) && __GNUC__ >= 2
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# define STACKTRACE_H "stacktrace_x86-inl.h"
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# elif (defined(__ppc__) || defined(__PPC__)) && __GNUC__ >= 2
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# define STACKTRACE_H "stacktrace_powerpc-inl.h"
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# elif defined(GLOG_OS_WINDOWS)
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# define STACKTRACE_H "stacktrace_windows-inl.h"
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# endif
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#endif
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#if !defined(STACKTRACE_H) && defined(HAVE_EXECINFO_BACKTRACE)
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# define STACKTRACE_H "stacktrace_generic-inl.h"
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#endif
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#if defined(STACKTRACE_H)
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# define HAVE_STACKTRACE
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#endif
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namespace google {
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inline namespace glog_internal_namespace_ {
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#if defined(HAVE_STACKTRACE)
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// This is similar to the GetStackFrames routine, except that it returns
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// the stack trace only, and not the stack frame sizes as well.
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// Example:
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// main() { foo(); }
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// foo() { bar(); }
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// bar() {
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// void* result[10];
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// int depth = GetStackFrames(result, 10, 1);
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// }
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//
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// This produces:
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// result[0] foo
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// result[1] main
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// .... ...
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//
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// "result" must not be nullptr.
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GLOG_NO_EXPORT int GetStackTrace(void** result, int max_depth, int skip_count);
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#endif // defined(HAVE_STACKTRACE)
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} // namespace glog_internal_namespace_
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} // namespace google
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#endif // GLOG_INTERNAL_STACKTRACE_H
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