Chromium Code Reviews Chromium Code Reviews
Issue 23497009:
Move DumpBacktrace() to checks.cc and cleanup both the code and the necessary platform checks. (Closed)
Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge| OLD | NEW |
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| 1 // Copyright 2012 the V8 project authors. All rights reserved. | |
| 2 // Redistribution and use in source and binary forms, with or without | |
| 3 // modification, are permitted provided that the following conditions are | |
| 4 // met: | |
| 5 // | |
| 6 // * Redistributions of source code must retain the above copyright | |
| 7 // notice, this list of conditions and the following disclaimer. | |
| 8 // * Redistributions in binary form must reproduce the above | |
| 9 // copyright notice, this list of conditions and the following | |
| 10 // disclaimer in the documentation and/or other materials provided | |
| 11 // with the distribution. | |
| 12 // * Neither the name of Google Inc. nor the names of its | |
| 13 // contributors may be used to endorse or promote products derived | |
| 14 // from this software without specific prior written permission. | |
| 15 // | |
| 16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
| 17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
| 18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
| 19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
| 20 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
| 21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
| 22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
| 23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
| 24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 27 | |
| 28 #ifndef V8_PLATFORM_POSIX_H_ | |
| 29 #define V8_PLATFORM_POSIX_H_ | |
| 30 | |
| 31 #if !defined(ANDROID) | |
| 32 #include <cxxabi.h> | |
| 33 #endif | |
| 34 #include <stdio.h> | |
| 35 | |
| 36 #include "platform.h" | |
| 37 | |
| 38 namespace v8 { | |
| 39 namespace internal { | |
| 40 | |
| 41 // Used by platform implementation files during OS::DumpBacktrace() | |
| 42 template<int (*backtrace)(void**, int), | |
| 43 char** (*backtrace_symbols)(void* const*, int)> | |
| 44 struct POSIXBacktraceHelper { | |
| 45 static void DumpBacktrace() { | |
| 46 void* trace[100]; | |
| 47 int size = backtrace(trace, ARRAY_SIZE(trace)); | |
| 48 char** symbols = backtrace_symbols(trace, size); | |
| 49 fprintf(stderr, "\n==== C stack trace ===============================\n\n"); | |
| 50 if (size == 0) { | |
| 51 fprintf(stderr, "(empty)\n"); | |
| 52 } else if (symbols == NULL) { | |
| 53 fprintf(stderr, "(no symbols)\n"); | |
| 54 } else { | |
| 55 for (int i = 1; i < size; ++i) { | |
| 56 fprintf(stderr, "%2d: ", i); | |
| 57 char mangled[201]; | |
| 58 if (sscanf(symbols[i], "%*[^(]%*[(]%200[^)+]", mangled) == 1) {// NOLINT | |
| 59 char* demangled = NULL; | |
| 60 #if !defined(ANDROID) | |
|
Michael Achenbach
2013/09/23 11:12:50
What if we are on Android in the new code? Why is
Benedikt Meurer
2013/09/23 11:26:40
The code requires glibc or BSD. Neither of which i
| |
| 61 int status; | |
| 62 size_t length; | |
| 63 demangled = abi::__cxa_demangle(mangled, NULL, &length, &status); | |
| 64 #endif | |
| 65 fprintf(stderr, "%s\n", demangled != NULL ? demangled : mangled); | |
| 66 free(demangled); | |
| 67 } else { | |
| 68 fprintf(stderr, "??\n"); | |
| 69 } | |
| 70 } | |
| 71 } | |
| 72 fflush(stderr); | |
| 73 free(symbols); | |
| 74 } | |
| 75 }; | |
| 76 | |
| 77 } } // namespace v8::internal | |
| 78 | |
| 79 #endif // V8_PLATFORM_POSIX_H_ | |
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