5d3805fca3
* ubsan.c (ubsan_expand_null_ifn): Use _v1 suffixed type mismatch
builtins, store max (log2 (align), 0) into uchar field instead of
align into uptr field.
(ubsan_expand_objsize_ifn): Use _v1 suffixed type mismatch builtins,
store uchar 0 field instead of uptr 0 field.
(instrument_nonnull_return): Use _v1 suffixed nonnull return builtin,
instead of passing one address of struct with 2 locations pass
two addresses of structs with 1 location each.
* sanitizer.def (BUILT_IN_UBSAN_HANDLE_TYPE_MISMATCH,
BUILT_IN_UBSAN_HANDLE_TYPE_MISMATCH_ABORT,
BUILT_IN_UBSAN_HANDLE_NONNULL_RETURN,
BUILT_IN_UBSAN_HANDLE_NONNULL_RETURN_ABORT): Removed.
(BUILT_IN_UBSAN_HANDLE_TYPE_MISMATCH_V1,
BUILT_IN_UBSAN_HANDLE_TYPE_MISMATCH_V1_ABORT,
BUILT_IN_UBSAN_HANDLE_NONNULL_RETURN_V1,
BUILT_IN_UBSAN_HANDLE_NONNULL_RETURN_V1_ABORT): New builtins.
* c-c++-common/ubsan/float-cast-overflow-1.c: Drop value keyword
from expected output regexps.
* c-c++-common/ubsan/float-cast-overflow-2.c: Likewise.
* c-c++-common/ubsan/float-cast-overflow-3.c: Likewise.
* c-c++-common/ubsan/float-cast-overflow-4.c: Likewise.
* c-c++-common/ubsan/float-cast-overflow-5.c: Likewise.
* c-c++-common/ubsan/float-cast-overflow-6.c: Likewise.
* c-c++-common/ubsan/float-cast-overflow-8.c: Likewise.
* c-c++-common/ubsan/float-cast-overflow-9.c: Likewise.
* c-c++-common/ubsan/float-cast-overflow-10.c: Likewise.
* g++.dg/ubsan/float-cast-overflow-bf.C: Likewise.
* gcc.dg/ubsan/float-cast-overflow-bf.c: Likewise.
* g++.dg/asan/default-options-1.C (__asan_default_options): Add
used attribute.
* g++.dg/asan/asan_test.C: Run with ASAN_OPTIONS=handle_segv=2
in the environment.
* All source files: Merge from upstream 315899.
* asan/Makefile.am (nodist_saninclude_HEADERS): Add
include/sanitizer/tsan_interface.h.
* asan/libtool-version: Bump the libasan SONAME.
* lsan/Makefile.am (sanitizer_lsan_files): Add lsan_common_mac.cc.
(lsan_files): Add lsan_linux.cc, lsan_mac.cc and lsan_malloc_mac.cc.
* sanitizer_common/Makefile.am (sanitizer_common_files): Add
sancov_flags.cc, sanitizer_allocator_checks.cc,
sanitizer_coverage_libcdep_new.cc, sanitizer_errno.cc,
sanitizer_file.cc, sanitizer_mac_libcdep.cc and
sanitizer_stoptheworld_mac.cc. Remove sanitizer_coverage_libcdep.cc
and sanitizer_coverage_mapping_libcdep.cc.
* tsan/Makefile.am (tsan_files): Add tsan_external.cc.
* ubsan/Makefile.am (DEFS): Add -DUBSAN_CAN_USE_CXXABI=1.
(ubsan_files): Add ubsan_init_standalone.cc and
ubsan_signals_standalone.cc.
* ubsan/libtool-version: Bump the libubsan SONAME.
* asan/Makefile.in: Regenerate.
* lsan/Makefile.in: Regenerate.
* sanitizer_common/Makefile.in: Regenerate.
* tsan/Makefile.in: Regenerate.
* ubsan/Makefile.in: Regenerate.
From-SVN: r253887
94 lines
2.9 KiB
C++
94 lines
2.9 KiB
C++
//===-- tsan_new_delete.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 a part of ThreadSanitizer (TSan), a race detector.
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//
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// Interceptors for operators new and delete.
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//===----------------------------------------------------------------------===//
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#include "interception/interception.h"
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#include "sanitizer_common/sanitizer_allocator.h"
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#include "sanitizer_common/sanitizer_internal_defs.h"
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#include "tsan_interceptors.h"
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using namespace __tsan; // NOLINT
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namespace std {
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struct nothrow_t {};
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} // namespace std
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DECLARE_REAL(void *, malloc, uptr size)
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DECLARE_REAL(void, free, void *ptr)
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// TODO(alekseys): throw std::bad_alloc instead of dying on OOM.
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#define OPERATOR_NEW_BODY(mangled_name, nothrow) \
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if (cur_thread()->in_symbolizer) \
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return InternalAlloc(size); \
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void *p = 0; \
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{ \
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SCOPED_INTERCEPTOR_RAW(mangled_name, size); \
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p = user_alloc(thr, pc, size); \
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if (!nothrow && UNLIKELY(!p)) DieOnFailure::OnOOM(); \
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} \
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invoke_malloc_hook(p, size); \
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return p;
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SANITIZER_INTERFACE_ATTRIBUTE
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void *operator new(__sanitizer::uptr size);
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void *operator new(__sanitizer::uptr size) {
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OPERATOR_NEW_BODY(_Znwm, false /*nothrow*/);
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}
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SANITIZER_INTERFACE_ATTRIBUTE
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void *operator new[](__sanitizer::uptr size);
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void *operator new[](__sanitizer::uptr size) {
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OPERATOR_NEW_BODY(_Znam, false /*nothrow*/);
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}
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SANITIZER_INTERFACE_ATTRIBUTE
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void *operator new(__sanitizer::uptr size, std::nothrow_t const&);
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void *operator new(__sanitizer::uptr size, std::nothrow_t const&) {
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OPERATOR_NEW_BODY(_ZnwmRKSt9nothrow_t, true /*nothrow*/);
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}
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SANITIZER_INTERFACE_ATTRIBUTE
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void *operator new[](__sanitizer::uptr size, std::nothrow_t const&);
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void *operator new[](__sanitizer::uptr size, std::nothrow_t const&) {
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OPERATOR_NEW_BODY(_ZnamRKSt9nothrow_t, true /*nothrow*/);
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}
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#define OPERATOR_DELETE_BODY(mangled_name) \
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if (ptr == 0) return; \
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if (cur_thread()->in_symbolizer) \
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return InternalFree(ptr); \
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invoke_free_hook(ptr); \
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SCOPED_INTERCEPTOR_RAW(mangled_name, ptr); \
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user_free(thr, pc, ptr);
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SANITIZER_INTERFACE_ATTRIBUTE
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void operator delete(void *ptr) NOEXCEPT;
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void operator delete(void *ptr) NOEXCEPT {
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OPERATOR_DELETE_BODY(_ZdlPv);
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}
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SANITIZER_INTERFACE_ATTRIBUTE
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void operator delete[](void *ptr) NOEXCEPT;
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void operator delete[](void *ptr) NOEXCEPT {
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OPERATOR_DELETE_BODY(_ZdaPv);
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}
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SANITIZER_INTERFACE_ATTRIBUTE
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void operator delete(void *ptr, std::nothrow_t const&);
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void operator delete(void *ptr, std::nothrow_t const&) {
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OPERATOR_DELETE_BODY(_ZdlPvRKSt9nothrow_t);
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}
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SANITIZER_INTERFACE_ATTRIBUTE
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void operator delete[](void *ptr, std::nothrow_t const&);
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void operator delete[](void *ptr, std::nothrow_t const&) {
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OPERATOR_DELETE_BODY(_ZdaPvRKSt9nothrow_t);
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}
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