| //===-- sanitizer_symbolizer_itanium.cc -----------------------------------===// |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // This file is shared between the sanitizer run-time libraries. |
| // Itanium C++ ABI-specific implementation of symbolizer parts. |
| //===----------------------------------------------------------------------===// |
| #if defined(__APPLE__) || defined(__linux__) |
| |
| #include "sanitizer_symbolizer.h" |
| |
| #include <stdlib.h> |
| |
| // C++ demangling function, as required by Itanium C++ ABI. This is weak, |
| // because we do not require a C++ ABI library to be linked to a program |
| // using sanitizers; if it's not present, we'll just use the mangled name. |
| namespace __cxxabiv1 { |
| extern "C" char *__cxa_demangle(const char *mangled, char *buffer, |
| size_t *length, int *status) |
| SANITIZER_WEAK_ATTRIBUTE; |
| } |
| |
| const char *__sanitizer::Demangle(const char *MangledName) { |
| // FIXME: __cxa_demangle aggressively insists on allocating memory. |
| // There's not much we can do about that, short of providing our |
| // own demangler (libc++abi's implementation could be adapted so that |
| // it does not allocate). For now, we just call it anyway, and we leak |
| // the returned value. |
| if (__cxxabiv1::__cxa_demangle) |
| if (const char *Demangled = |
| __cxxabiv1::__cxa_demangle(MangledName, 0, 0, 0)) |
| return Demangled; |
| |
| return MangledName; |
| } |
| |
| #endif // __APPLE__ || __linux__ |
