cb490c9995
R=bmeurer@chromium.org BUG= Review URL: https://codereview.chromium.org/23703013 git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16711 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
80 lines
3.0 KiB
C++
80 lines
3.0 KiB
C++
// Copyright 2012 the V8 project authors. All rights reserved.
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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
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// disclaimer in the documentation and/or other materials provided
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// with the 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
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// from 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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#ifndef V8_PLATFORM_POSIX_H_
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#define V8_PLATFORM_POSIX_H_
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#if !defined(ANDROID)
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#include <cxxabi.h>
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#endif
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#include <stdio.h>
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#include "platform.h"
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namespace v8 {
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namespace internal {
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// Used by platform implementation files during OS::DumpBacktrace()
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template<int (*backtrace)(void**, int),
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char** (*backtrace_symbols)(void* const*, int)>
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struct POSIXBacktraceHelper {
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static void DumpBacktrace() {
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void* trace[100];
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int size = backtrace(trace, ARRAY_SIZE(trace));
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char** symbols = backtrace_symbols(trace, size);
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fprintf(stderr, "\n==== C stack trace ===============================\n\n");
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if (size == 0) {
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fprintf(stderr, "(empty)\n");
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} else if (symbols == NULL) {
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fprintf(stderr, "(no symbols)\n");
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} else {
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for (int i = 1; i < size; ++i) {
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fprintf(stderr, "%2d: ", i);
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char mangled[201];
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if (sscanf(symbols[i], "%*[^(]%*[(]%200[^)+]", mangled) == 1) {// NOLINT
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char* demangled = NULL;
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#if !defined(ANDROID)
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int status;
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size_t length;
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demangled = abi::__cxa_demangle(mangled, NULL, &length, &status);
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#endif
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fprintf(stderr, "%s\n", demangled != NULL ? demangled : mangled);
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free(demangled);
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} else {
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fprintf(stderr, "??\n");
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}
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}
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}
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fflush(stderr);
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free(symbols);
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}
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};
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} } // namespace v8::internal
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#endif // V8_PLATFORM_POSIX_H_
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