696d846a56
libsanitizer/ 2015-10-20 Maxim Ostapenko <m.ostapenko@partner.samsung.com> * All source files: Merge from upstream r250806. * configure.ac (link_sanitizer_common): Add -lrt flag. * configure.tgt: Enable TSAN and LSAN for aarch64-linux targets. Set CXX_ABI_NEEDED=true for darwin. * asan/Makefile.am (asan_files): Add new files. (DEFS): Add DCAN_SANITIZE_UB=0 and remove unused and legacy DASAN_FLEXIBLE_MAPPING_AND_OFFSET=0. * asan/Makefile.in: Regenerate. * ubsan/Makefile.am (ubsan_files): Add new files. (DEFS): Add DCAN_SANITIZE_UB=1. (libubsan_la_LIBADD): Add -lc++abi if CXX_ABI_NEEDED is true. * ubsan/Makefile.in: Regenerate. * tsan/Makefile.am (tsan_files): Add new files. (DEFS): Add DCAN_SANITIZE_UB=0. * tsan/Makefile.in: Regenerate. * sanitizer_common/Makefile.am (sanitizer_common_files): Add new files. * sanitizer_common/Makefile.in: Regenerate. * asan/libtool-version: Bump the libasan SONAME. From-SVN: r229111
52 lines
1.7 KiB
C++
52 lines
1.7 KiB
C++
//===-- ubsan_handlers_cxx.h ------------------------------------*- C++ -*-===//
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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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// Entry points to the runtime library for Clang's undefined behavior sanitizer,
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// for C++-specific checks. This code is not linked into C binaries.
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//
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//===----------------------------------------------------------------------===//
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#ifndef UBSAN_HANDLERS_CXX_H
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#define UBSAN_HANDLERS_CXX_H
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#include "ubsan_value.h"
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namespace __ubsan {
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struct DynamicTypeCacheMissData {
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SourceLocation Loc;
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const TypeDescriptor &Type;
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void *TypeInfo;
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unsigned char TypeCheckKind;
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};
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struct CFIBadTypeData {
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SourceLocation Loc;
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const TypeDescriptor &Type;
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unsigned char TypeCheckKind;
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};
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/// \brief Handle a runtime type check failure, caused by an incorrect vptr.
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/// When this handler is called, all we know is that the type was not in the
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/// cache; this does not necessarily imply the existence of a bug.
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extern "C" SANITIZER_INTERFACE_ATTRIBUTE
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void __ubsan_handle_dynamic_type_cache_miss(
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DynamicTypeCacheMissData *Data, ValueHandle Pointer, ValueHandle Hash);
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extern "C" SANITIZER_INTERFACE_ATTRIBUTE
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void __ubsan_handle_dynamic_type_cache_miss_abort(
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DynamicTypeCacheMissData *Data, ValueHandle Pointer, ValueHandle Hash);
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/// \brief Handle a control flow integrity check failure by printing a
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/// diagnostic.
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extern "C" SANITIZER_INTERFACE_ATTRIBUTE void
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__ubsan_handle_cfi_bad_type(CFIBadTypeData *Data, ValueHandle Vtable);
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extern "C" SANITIZER_INTERFACE_ATTRIBUTE void
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__ubsan_handle_cfi_bad_type_abort(CFIBadTypeData *Data, ValueHandle Vtable);
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}
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#endif // UBSAN_HANDLERS_H
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