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author | Dan Albert <danalbert@google.com> | 2016-02-24 13:48:45 -0800 |
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committer | Dan Albert <danalbert@google.com> | 2016-02-24 13:51:18 -0800 |
commit | b9de1157289455b0ca26daff519d4a0ddcd1fa13 (patch) | |
tree | 4c56cc0a34b91f17033a40a455f26652304f7b8d /gcc-4.8.3/libsanitizer/sanitizer_common/sanitizer_symbolizer_itanium.cc | |
parent | 098157a754787181cfa10e71325832448ddcea98 (diff) | |
download | toolchain_gcc-b9de1157289455b0ca26daff519d4a0ddcd1fa13.tar.gz toolchain_gcc-b9de1157289455b0ca26daff519d4a0ddcd1fa13.tar.bz2 toolchain_gcc-b9de1157289455b0ca26daff519d4a0ddcd1fa13.zip |
Update 4.8.1 to 4.8.3.
My previous drop was the wrong version. The platform mingw is
currently using 4.8.3, not 4.8.1 (not sure how I got that wrong).
From ftp://ftp.gnu.org/gnu/gcc/gcc-4.8.3/gcc-4.8.3.tar.bz2.
Bug: http://b/26523949
Change-Id: Id85f1bdcbbaf78c7d0b5a69e74c798a08f341c35
Diffstat (limited to 'gcc-4.8.3/libsanitizer/sanitizer_common/sanitizer_symbolizer_itanium.cc')
-rw-r--r-- | gcc-4.8.3/libsanitizer/sanitizer_common/sanitizer_symbolizer_itanium.cc | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/gcc-4.8.3/libsanitizer/sanitizer_common/sanitizer_symbolizer_itanium.cc b/gcc-4.8.3/libsanitizer/sanitizer_common/sanitizer_symbolizer_itanium.cc new file mode 100644 index 000000000..b356f9a09 --- /dev/null +++ b/gcc-4.8.3/libsanitizer/sanitizer_common/sanitizer_symbolizer_itanium.cc @@ -0,0 +1,40 @@ +//===-- 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__ |