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