| // Copyright 2006-2008 the V8 project authors. 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. |
| |
| #include "checks.h" |
| |
| #if V8_LIBC_GLIBC || V8_OS_BSD |
| # include <cxxabi.h> |
| # include <execinfo.h> |
| #endif // V8_LIBC_GLIBC || V8_OS_BSD |
| #include <stdio.h> |
| |
| #include "platform.h" |
| #include "v8.h" |
| |
| |
| // Attempts to dump a backtrace (if supported). |
| static V8_INLINE void DumpBacktrace() { |
| #if V8_LIBC_GLIBC || V8_OS_BSD |
| void* trace[100]; |
| int size = backtrace(trace, ARRAY_SIZE(trace)); |
| char** symbols = backtrace_symbols(trace, size); |
| i::OS::PrintError("\n==== C stack trace ===============================\n\n"); |
| if (size == 0) { |
| i::OS::PrintError("(empty)\n"); |
| } else if (symbols == NULL) { |
| i::OS::PrintError("(no symbols)\n"); |
| } else { |
| for (int i = 1; i < size; ++i) { |
| i::OS::PrintError("%2d: ", i); |
| char mangled[201]; |
| if (sscanf(symbols[i], "%*[^(]%*[(]%200[^)+]", mangled) == 1) { // NOLINT |
| int status; |
| size_t length; |
| char* demangled = abi::__cxa_demangle(mangled, NULL, &length, &status); |
| i::OS::PrintError("%s\n", demangled != NULL ? demangled : mangled); |
| free(demangled); |
| } else { |
| i::OS::PrintError("??\n"); |
| } |
| } |
| } |
| free(symbols); |
| #endif // V8_LIBC_GLIBC || V8_OS_BSD |
| } |
| |
| |
| // Contains protection against recursive calls (faults while handling faults). |
| extern "C" void V8_Fatal(const char* file, int line, const char* format, ...) { |
| i::AllowHandleDereference allow_deref; |
| i::AllowDeferredHandleDereference allow_deferred_deref; |
| fflush(stdout); |
| fflush(stderr); |
| i::OS::PrintError("\n\n#\n# Fatal error in %s, line %d\n# ", file, line); |
| va_list arguments; |
| va_start(arguments, format); |
| i::OS::VPrintError(format, arguments); |
| va_end(arguments); |
| i::OS::PrintError("\n#\n"); |
| DumpBacktrace(); |
| fflush(stderr); |
| i::OS::Abort(); |
| } |
| |
| |
| void CheckEqualsHelper(const char* file, |
| int line, |
| const char* expected_source, |
| v8::Handle<v8::Value> expected, |
| const char* value_source, |
| v8::Handle<v8::Value> value) { |
| if (!expected->Equals(value)) { |
| v8::String::Utf8Value value_str(value); |
| v8::String::Utf8Value expected_str(expected); |
| V8_Fatal(file, line, |
| "CHECK_EQ(%s, %s) failed\n# Expected: %s\n# Found: %s", |
| expected_source, value_source, *expected_str, *value_str); |
| } |
| } |
| |
| |
| void CheckNonEqualsHelper(const char* file, |
| int line, |
| const char* unexpected_source, |
| v8::Handle<v8::Value> unexpected, |
| const char* value_source, |
| v8::Handle<v8::Value> value) { |
| if (unexpected->Equals(value)) { |
| v8::String::Utf8Value value_str(value); |
| V8_Fatal(file, line, "CHECK_NE(%s, %s) failed\n# Value: %s", |
| unexpected_source, value_source, *value_str); |
| } |
| } |
| |
| |
| void API_Fatal(const char* location, const char* format, ...) { |
| i::OS::PrintError("\n#\n# Fatal error in %s\n# ", location); |
| va_list arguments; |
| va_start(arguments, format); |
| i::OS::VPrintError(format, arguments); |
| va_end(arguments); |
| i::OS::PrintError("\n#\n\n"); |
| i::OS::Abort(); |
| } |
| |
| |
| namespace v8 { namespace internal { |
| |
| intptr_t HeapObjectTagMask() { return kHeapObjectTagMask; } |
| |
| } } // namespace v8::internal |
| |