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
64 lines
2.3 KiB
C++
64 lines
2.3 KiB
C++
//===-- sanitizer_stoptheworld.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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// Defines the StopTheWorld function which suspends the execution of the current
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// process and runs the user-supplied callback in the same address space.
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//
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//===----------------------------------------------------------------------===//
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#ifndef SANITIZER_STOPTHEWORLD_H
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#define SANITIZER_STOPTHEWORLD_H
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#include "sanitizer_internal_defs.h"
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#include "sanitizer_common.h"
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namespace __sanitizer {
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enum PtraceRegistersStatus {
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REGISTERS_UNAVAILABLE_FATAL = -1,
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REGISTERS_UNAVAILABLE = 0,
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REGISTERS_AVAILABLE = 1
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};
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// Holds the list of suspended threads and provides an interface to dump their
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// register contexts.
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class SuspendedThreadsList {
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public:
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SuspendedThreadsList() = default;
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// Can't declare pure virtual functions in sanitizer runtimes:
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// __cxa_pure_virtual might be unavailable. Use UNIMPLEMENTED() instead.
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virtual PtraceRegistersStatus GetRegistersAndSP(uptr index, uptr *buffer,
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uptr *sp) const {
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UNIMPLEMENTED();
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}
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// The buffer in GetRegistersAndSP should be at least this big.
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virtual uptr RegisterCount() const { UNIMPLEMENTED(); }
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virtual uptr ThreadCount() const { UNIMPLEMENTED(); }
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virtual tid_t GetThreadID(uptr index) const { UNIMPLEMENTED(); }
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private:
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// Prohibit copy and assign.
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SuspendedThreadsList(const SuspendedThreadsList&);
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void operator=(const SuspendedThreadsList&);
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};
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typedef void (*StopTheWorldCallback)(
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const SuspendedThreadsList &suspended_threads_list,
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void *argument);
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// Suspend all threads in the current process and run the callback on the list
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// of suspended threads. This function will resume the threads before returning.
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// The callback should not call any libc functions. The callback must not call
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// exit() nor _exit() and instead return to the caller.
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// This function should NOT be called from multiple threads simultaneously.
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void StopTheWorld(StopTheWorldCallback callback, void *argument);
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} // namespace __sanitizer
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#endif // SANITIZER_STOPTHEWORLD_H
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