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📄 sancov_flags.cpp(1.64 KB)
📄 sancov_flags.h(1.08 KB)
📄 sancov_flags.inc(777 B)
📄 sanitizer_addrhashmap.h(9.19 KB)
📄 sanitizer_allocator.cpp(8.73 KB)
📄 sanitizer_allocator.h(2.69 KB)
📄 sanitizer_allocator_bytemap.h(3.12 KB)
📄 sanitizer_allocator_checks.cpp(686 B)
📄 sanitizer_allocator_checks.h(2.67 KB)
📄 sanitizer_allocator_combined.h(6.29 KB)
📄 sanitizer_allocator_interface.h(1.83 KB)
📄 sanitizer_allocator_internal.h(2.03 KB)
📄 sanitizer_allocator_local_cache.h(8.95 KB)
📄 sanitizer_allocator_primary32.h(12.64 KB)
📄 sanitizer_allocator_primary64.h(32.71 KB)
📄 sanitizer_allocator_report.cpp(4.68 KB)
📄 sanitizer_allocator_report.h(1.72 KB)
📄 sanitizer_allocator_secondary.h(10.78 KB)
📄 sanitizer_allocator_size_class_map.h(10.12 KB)
📄 sanitizer_allocator_stats.h(2.76 KB)
📄 sanitizer_asm.h(2.57 KB)
📄 sanitizer_atomic.h(1.97 KB)
📄 sanitizer_atomic_clang.h(3.42 KB)
📄 sanitizer_atomic_clang_mips.h(3.77 KB)
📄 sanitizer_atomic_clang_other.h(3.02 KB)
📄 sanitizer_atomic_clang_x86.h(3.77 KB)
📄 sanitizer_atomic_msvc.h(8.53 KB)
📄 sanitizer_bitvector.h(9.43 KB)
📄 sanitizer_bvgraph.h(4.62 KB)
📄 sanitizer_common.cpp(10.13 KB)
📄 sanitizer_common.h(30.64 KB)
📄 sanitizer_common_interceptors.inc(348.66 KB)
📄 sanitizer_common_interceptors_format.inc(16.84 KB)
📄 sanitizer_common_interceptors_ioctl.inc(22.13 KB)
📄 sanitizer_common_interceptors_netbsd_compat.inc(4.07 KB)
📄 sanitizer_common_interceptors_vfork_aarch64.inc.S(1.23 KB)
📄 sanitizer_common_interceptors_vfork_arm.inc.S(1.24 KB)
📄 sanitizer_common_interceptors_vfork_i386.inc.S(1.66 KB)
📄 sanitizer_common_interceptors_vfork_x86_64.inc.S(1.03 KB)
📄 sanitizer_common_interface.inc(2.05 KB)
📄 sanitizer_common_interface_posix.inc(732 B)
📄 sanitizer_common_libcdep.cpp(5.4 KB)
📄 sanitizer_common_nolibc.cpp(1.12 KB)
📄 sanitizer_common_syscalls.inc(85 KB)
📄 sanitizer_coverage_fuchsia.cpp(10.1 KB)
📄 sanitizer_coverage_interface.inc(1.73 KB)
📄 sanitizer_coverage_libcdep_new.cpp(7.39 KB)
📄 sanitizer_coverage_win_dll_thunk.cpp(1.03 KB)
📄 sanitizer_coverage_win_dynamic_runtime_thunk.cpp(1.16 KB)
📄 sanitizer_coverage_win_sections.cpp(3.36 KB)
📄 sanitizer_coverage_win_weak_interception.cpp(1.17 KB)
📄 sanitizer_dbghelp.h(1.44 KB)
📄 sanitizer_deadlock_detector.h(13.28 KB)
📄 sanitizer_deadlock_detector1.cpp(5.6 KB)
📄 sanitizer_deadlock_detector2.cpp(10.84 KB)
📄 sanitizer_deadlock_detector_interface.h(2.66 KB)
📄 sanitizer_errno.cpp(1.09 KB)
📄 sanitizer_errno.h(1.3 KB)
📄 sanitizer_errno_codes.h(1.1 KB)
📄 sanitizer_file.cpp(6.24 KB)
📄 sanitizer_file.h(3.67 KB)
📄 sanitizer_flag_parser.cpp(5.55 KB)
📄 sanitizer_flag_parser.h(5.71 KB)
📄 sanitizer_flags.cpp(3.95 KB)
📄 sanitizer_flags.h(2.13 KB)
📄 sanitizer_flags.inc(12.73 KB)
📄 sanitizer_freebsd.h(3.31 KB)
📄 sanitizer_fuchsia.cpp(16.58 KB)
📄 sanitizer_fuchsia.h(1.03 KB)
📄 sanitizer_getauxval.h(1.73 KB)
📄 sanitizer_glibc_version.h(748 B)
📄 sanitizer_hash.h(1.04 KB)
📄 sanitizer_interceptors_ioctl_netbsd.inc(68.81 KB)
📄 sanitizer_interface_internal.h(5.28 KB)
📄 sanitizer_internal_defs.h(14.28 KB)
📄 sanitizer_lfstack.h(2.08 KB)
📄 sanitizer_libc.cpp(7.21 KB)
📄 sanitizer_libc.h(3.23 KB)
📄 sanitizer_libignore.cpp(4.24 KB)
📄 sanitizer_libignore.h(3.5 KB)
📄 sanitizer_linux.cpp(71.58 KB)
📄 sanitizer_linux.h(5.47 KB)
📄 sanitizer_linux_libcdep.cpp(25.67 KB)
📄 sanitizer_linux_s390.cpp(6.91 KB)
📄 sanitizer_list.h(3.81 KB)
📄 sanitizer_local_address_space_view.h(3.67 KB)
📄 sanitizer_mac.cpp(38.67 KB)
📄 sanitizer_mac.h(2.49 KB)
📄 sanitizer_mac_libcdep.cpp(968 B)
📄 sanitizer_malloc_mac.inc(13.06 KB)
📄 sanitizer_mutex.h(5.17 KB)
📄 sanitizer_netbsd.cpp(9.95 KB)
📄 sanitizer_openbsd.cpp(3.17 KB)
📄 sanitizer_persistent_allocator.cpp(687 B)
📄 sanitizer_persistent_allocator.h(2.31 KB)
📄 sanitizer_placement_new.h(885 B)
📄 sanitizer_platform.h(10.11 KB)
📄 sanitizer_platform_interceptors.h(24.93 KB)
📄 sanitizer_platform_limits_freebsd.cpp(19.79 KB)
📄 sanitizer_platform_limits_freebsd.h(18.41 KB)
📄 sanitizer_platform_limits_linux.cpp(3.32 KB)
📄 sanitizer_platform_limits_netbsd.cpp(109.73 KB)
📄 sanitizer_platform_limits_netbsd.h(81.54 KB)
📄 sanitizer_platform_limits_openbsd.cpp(8.69 KB)
📄 sanitizer_platform_limits_openbsd.h(8.68 KB)
📄 sanitizer_platform_limits_posix.cpp(48.89 KB)
📄 sanitizer_platform_limits_posix.h(40.65 KB)
📄 sanitizer_platform_limits_solaris.cpp(11.93 KB)
📄 sanitizer_platform_limits_solaris.h(12.26 KB)
📄 sanitizer_posix.cpp(11.93 KB)
📄 sanitizer_posix.h(5.14 KB)
📄 sanitizer_posix_libcdep.cpp(16.21 KB)
📄 sanitizer_printf.cpp(12.07 KB)
📄 sanitizer_procmaps.h(2.93 KB)
📄 sanitizer_procmaps_bsd.cpp(3.81 KB)
📄 sanitizer_procmaps_common.cpp(5.27 KB)
📄 sanitizer_procmaps_fuchsia.cpp(2.51 KB)
📄 sanitizer_procmaps_linux.cpp(2.9 KB)
📄 sanitizer_procmaps_mac.cpp(13.7 KB)
📄 sanitizer_procmaps_solaris.cpp(2.18 KB)
📄 sanitizer_ptrauth.h(720 B)
📄 sanitizer_quarantine.h(9.57 KB)
📄 sanitizer_report_decorator.h(1.89 KB)
📄 sanitizer_ring_buffer.h(4.7 KB)
📄 sanitizer_rtems.cpp(7.61 KB)
📄 sanitizer_rtems.h(772 B)
📄 sanitizer_signal_interceptors.inc(2.89 KB)
📄 sanitizer_solaris.cpp(6.6 KB)
📄 sanitizer_stackdepot.cpp(4.54 KB)
📄 sanitizer_stackdepot.h(2.13 KB)
📄 sanitizer_stackdepotbase.h(5.58 KB)
📄 sanitizer_stacktrace.cpp(4.58 KB)
📄 sanitizer_stacktrace.h(5.65 KB)
📄 sanitizer_stacktrace_libcdep.cpp(5.54 KB)
📄 sanitizer_stacktrace_printer.cpp(9.08 KB)
📄 sanitizer_stacktrace_printer.h(3.08 KB)
📄 sanitizer_stacktrace_sparc.cpp(3.05 KB)
📄 sanitizer_stoptheworld.h(2.34 KB)
📄 sanitizer_stoptheworld_fuchsia.cpp(1.28 KB)
📄 sanitizer_stoptheworld_linux_libcdep.cpp(20.8 KB)
📄 sanitizer_stoptheworld_mac.cpp(5.29 KB)
📄 sanitizer_stoptheworld_netbsd_libcdep.cpp(11.02 KB)
📄 sanitizer_suppressions.cpp(5.67 KB)
📄 sanitizer_suppressions.h(1.69 KB)
📄 sanitizer_symbolizer.cpp(3.65 KB)
📄 sanitizer_symbolizer.h(6.62 KB)
📄 sanitizer_symbolizer_fuchsia.h(1.56 KB)
📄 sanitizer_symbolizer_internal.h(5.8 KB)
📄 sanitizer_symbolizer_libbacktrace.cpp(6.1 KB)
📄 sanitizer_symbolizer_libbacktrace.h(1.49 KB)
📄 sanitizer_symbolizer_libcdep.cpp(17.45 KB)
📄 sanitizer_symbolizer_mac.cpp(8.48 KB)
📄 sanitizer_symbolizer_mac.h(1.37 KB)
📄 sanitizer_symbolizer_markup.cpp(5.39 KB)
📄 sanitizer_symbolizer_posix_libcdep.cpp(16.5 KB)
📄 sanitizer_symbolizer_report.cpp(10.01 KB)
📄 sanitizer_symbolizer_rtems.h(1.56 KB)
📄 sanitizer_symbolizer_win.cpp(11.59 KB)
📄 sanitizer_syscall_generic.inc(1.06 KB)
📄 sanitizer_syscall_linux_aarch64.inc(4.58 KB)
📄 sanitizer_syscall_linux_arm.inc(4.58 KB)
📄 sanitizer_syscall_linux_x86_64.inc(3.07 KB)
📄 sanitizer_syscalls_netbsd.inc(120.97 KB)
📄 sanitizer_termination.cpp(2.86 KB)
📄 sanitizer_thread_registry.cpp(10.31 KB)
📄 sanitizer_thread_registry.h(5.44 KB)
📄 sanitizer_tls_get_addr.cpp(5.29 KB)
📄 sanitizer_tls_get_addr.h(2.21 KB)
📄 sanitizer_type_traits.cpp(708 B)
📄 sanitizer_type_traits.h(1.49 KB)
📄 sanitizer_unwind_linux_libcdep.cpp(6.13 KB)
📄 sanitizer_unwind_win.cpp(2.41 KB)
📄 sanitizer_vector.h(2.57 KB)
📄 sanitizer_win.cpp(33.3 KB)
📄 sanitizer_win.h(851 B)
📄 sanitizer_win_defs.h(7.23 KB)
📄 sanitizer_win_dll_thunk.cpp(3.41 KB)
📄 sanitizer_win_dll_thunk.h(11.13 KB)
📄 sanitizer_win_dynamic_runtime_thunk.cpp(1.16 KB)
📄 sanitizer_win_weak_interception.cpp(3.49 KB)
📄 sanitizer_win_weak_interception.h(1.64 KB)
📁 symbolizer
📄 weak_symbols.txt(230 B)

Editing: sanitizer_atomic_msvc.h

//===-- sanitizer_atomic_msvc.h ---------------------------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This file is a part of ThreadSanitizer/AddressSanitizer runtime.
// Not intended for direct inclusion. Include sanitizer_atomic.h.
//
//===----------------------------------------------------------------------===//

#ifndef SANITIZER_ATOMIC_MSVC_H
#define SANITIZER_ATOMIC_MSVC_H

extern "C" void _ReadWriteBarrier();
#pragma intrinsic(_ReadWriteBarrier)
extern "C" void _mm_mfence();
#pragma intrinsic(_mm_mfence)
extern "C" void _mm_pause();
#pragma intrinsic(_mm_pause)
extern "C" char _InterlockedExchange8(char volatile *Addend, char Value);
#pragma intrinsic(_InterlockedExchange8)
extern "C" short _InterlockedExchange16(short volatile *Addend, short Value);
#pragma intrinsic(_InterlockedExchange16)
extern "C" long _InterlockedExchange(long volatile *Addend, long Value);
#pragma intrinsic(_InterlockedExchange)
extern "C" long _InterlockedExchangeAdd(long volatile *Addend, long Value);
#pragma intrinsic(_InterlockedExchangeAdd)
extern "C" char _InterlockedCompareExchange8(char volatile *Destination,
                                             char Exchange, char Comparand);
#pragma intrinsic(_InterlockedCompareExchange8)
extern "C" short _InterlockedCompareExchange16(short volatile *Destination,
                                               short Exchange, short Comparand);
#pragma intrinsic(_InterlockedCompareExchange16)
extern "C" long long _InterlockedCompareExchange64(
    long long volatile *Destination, long long Exchange, long long Comparand);
#pragma intrinsic(_InterlockedCompareExchange64)
extern "C" void *_InterlockedCompareExchangePointer(
    void *volatile *Destination,
    void *Exchange, void *Comparand);
#pragma intrinsic(_InterlockedCompareExchangePointer)
extern "C" long __cdecl _InterlockedCompareExchange(long volatile *Destination,
                                                    long Exchange,
                                                    long Comparand);
#pragma intrinsic(_InterlockedCompareExchange)

#ifdef _WIN64
extern "C" long long _InterlockedExchangeAdd64(long long volatile *Addend,
                                               long long Value);
#pragma intrinsic(_InterlockedExchangeAdd64)
#endif

namespace __sanitizer {

INLINE void atomic_signal_fence(memory_order) {
  _ReadWriteBarrier();
}

INLINE void atomic_thread_fence(memory_order) {
  _mm_mfence();
}

INLINE void proc_yield(int cnt) {
  for (int i = 0; i < cnt; i++)
    _mm_pause();
}

template<typename T>
INLINE typename T::Type atomic_load(
    const volatile T *a, memory_order mo) {
  DCHECK(mo & (memory_order_relaxed | memory_order_consume
      | memory_order_acquire | memory_order_seq_cst));
  DCHECK(!((uptr)a % sizeof(*a)));
  typename T::Type v;
  // FIXME(dvyukov): 64-bit load is not atomic on 32-bits.
  if (mo == memory_order_relaxed) {
    v = a->val_dont_use;
  } else {
    atomic_signal_fence(memory_order_seq_cst);
    v = a->val_dont_use;
    atomic_signal_fence(memory_order_seq_cst);
  }
  return v;
}

template<typename T>
INLINE void atomic_store(volatile T *a, typename T::Type v, memory_order mo) {
  DCHECK(mo & (memory_order_relaxed | memory_order_release
      | memory_order_seq_cst));
  DCHECK(!((uptr)a % sizeof(*a)));
  // FIXME(dvyukov): 64-bit store is not atomic on 32-bits.
  if (mo == memory_order_relaxed) {
    a->val_dont_use = v;
  } else {
    atomic_signal_fence(memory_order_seq_cst);
    a->val_dont_use = v;
    atomic_signal_fence(memory_order_seq_cst);
  }
  if (mo == memory_order_seq_cst)
    atomic_thread_fence(memory_order_seq_cst);
}

INLINE u32 atomic_fetch_add(volatile atomic_uint32_t *a,
    u32 v, memory_order mo) {
  (void)mo;
  DCHECK(!((uptr)a % sizeof(*a)));
  return (u32)_InterlockedExchangeAdd((volatile long *)&a->val_dont_use,
                                      (long)v);
}

INLINE uptr atomic_fetch_add(volatile atomic_uintptr_t *a,
    uptr v, memory_order mo) {
  (void)mo;
  DCHECK(!((uptr)a % sizeof(*a)));
#ifdef _WIN64
  return (uptr)_InterlockedExchangeAdd64((volatile long long *)&a->val_dont_use,
                                         (long long)v);
#else
  return (uptr)_InterlockedExchangeAdd((volatile long *)&a->val_dont_use,
                                       (long)v);
#endif
}

INLINE u32 atomic_fetch_sub(volatile atomic_uint32_t *a,
    u32 v, memory_order mo) {
  (void)mo;
  DCHECK(!((uptr)a % sizeof(*a)));
  return (u32)_InterlockedExchangeAdd((volatile long *)&a->val_dont_use,
                                      -(long)v);
}

INLINE uptr atomic_fetch_sub(volatile atomic_uintptr_t *a,
    uptr v, memory_order mo) {
  (void)mo;
  DCHECK(!((uptr)a % sizeof(*a)));
#ifdef _WIN64
  return (uptr)_InterlockedExchangeAdd64((volatile long long *)&a->val_dont_use,
                                         -(long long)v);
#else
  return (uptr)_InterlockedExchangeAdd((volatile long *)&a->val_dont_use,
                                       -(long)v);
#endif
}

INLINE u8 atomic_exchange(volatile atomic_uint8_t *a,
    u8 v, memory_order mo) {
  (void)mo;
  DCHECK(!((uptr)a % sizeof(*a)));
  return (u8)_InterlockedExchange8((volatile char*)&a->val_dont_use, v);
}

INLINE u16 atomic_exchange(volatile atomic_uint16_t *a,
    u16 v, memory_order mo) {
  (void)mo;
  DCHECK(!((uptr)a % sizeof(*a)));
  return (u16)_InterlockedExchange16((volatile short*)&a->val_dont_use, v);
}

INLINE u32 atomic_exchange(volatile atomic_uint32_t *a,
    u32 v, memory_order mo) {
  (void)mo;
  DCHECK(!((uptr)a % sizeof(*a)));
  return (u32)_InterlockedExchange((volatile long*)&a->val_dont_use, v);
}

INLINE bool atomic_compare_exchange_strong(volatile atomic_uint8_t *a,
                                           u8 *cmp,
                                           u8 xchgv,
                                           memory_order mo) {
  (void)mo;
  DCHECK(!((uptr)a % sizeof(*a)));
  u8 cmpv = *cmp;
#ifdef _WIN64
  u8 prev = (u8)_InterlockedCompareExchange8(
      (volatile char*)&a->val_dont_use, (char)xchgv, (char)cmpv);
#else
  u8 prev;
  __asm {
    mov al, cmpv
    mov ecx, a
    mov dl, xchgv
    lock cmpxchg [ecx], dl
    mov prev, al
  }
#endif
  if (prev == cmpv)
    return true;
  *cmp = prev;
  return false;
}

INLINE bool atomic_compare_exchange_strong(volatile atomic_uintptr_t *a,
                                           uptr *cmp,
                                           uptr xchg,
                                           memory_order mo) {
  uptr cmpv = *cmp;
  uptr prev = (uptr)_InterlockedCompareExchangePointer(
      (void*volatile*)&a->val_dont_use, (void*)xchg, (void*)cmpv);
  if (prev == cmpv)
    return true;
  *cmp = prev;
  return false;
}

INLINE bool atomic_compare_exchange_strong(volatile atomic_uint16_t *a,
                                           u16 *cmp,
                                           u16 xchg,
                                           memory_order mo) {
  u16 cmpv = *cmp;
  u16 prev = (u16)_InterlockedCompareExchange16(
      (volatile short*)&a->val_dont_use, (short)xchg, (short)cmpv);
  if (prev == cmpv)
    return true;
  *cmp = prev;
  return false;
}

INLINE bool atomic_compare_exchange_strong(volatile atomic_uint32_t *a,
                                           u32 *cmp,
                                           u32 xchg,
                                           memory_order mo) {
  u32 cmpv = *cmp;
  u32 prev = (u32)_InterlockedCompareExchange(
      (volatile long*)&a->val_dont_use, (long)xchg, (long)cmpv);
  if (prev == cmpv)
    return true;
  *cmp = prev;
  return false;
}

INLINE bool atomic_compare_exchange_strong(volatile atomic_uint64_t *a,
                                           u64 *cmp,
                                           u64 xchg,
                                           memory_order mo) {
  u64 cmpv = *cmp;
  u64 prev = (u64)_InterlockedCompareExchange64(
      (volatile long long*)&a->val_dont_use, (long long)xchg, (long long)cmpv);
  if (prev == cmpv)
    return true;
  *cmp = prev;
  return false;
}

template<typename T>
INLINE bool atomic_compare_exchange_weak(volatile T *a,
                                         typename T::Type *cmp,
                                         typename T::Type xchg,
                                         memory_order mo) {
  return atomic_compare_exchange_strong(a, cmp, xchg, mo);
}

}  // namespace __sanitizer

#endif  // SANITIZER_ATOMIC_CLANG_H

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