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usr / src / contrib / llvm-project / compiler-rt / lib / tsan / rtl /

📁 ..
📄 tsan.syms.extra(573 B)
📄 tsan_clock.cpp(20.28 KB)
📄 tsan_clock.h(9.25 KB)
📄 tsan_debugging.cpp(9.28 KB)
📄 tsan_defs.h(4.68 KB)
📄 tsan_dense_alloc.h(3.97 KB)
📄 tsan_dispatch_defs.h(2.18 KB)
📄 tsan_external.cpp(3.97 KB)
📄 tsan_fd.cpp(9.02 KB)
📄 tsan_fd.h(2.39 KB)
📄 tsan_flags.cpp(3.47 KB)
📄 tsan_flags.h(1.09 KB)
📄 tsan_flags.inc(4.29 KB)
📄 tsan_ignoreset.cpp(1.04 KB)
📄 tsan_ignoreset.h(958 B)
📄 tsan_interceptors.h(2.18 KB)
📄 tsan_interceptors_libdispatch.cpp(31.46 KB)
📄 tsan_interceptors_mac.cpp(20.28 KB)
📄 tsan_interceptors_mach_vm.cpp(2.02 KB)
📄 tsan_interceptors_posix.cpp(89.69 KB)
📄 tsan_interface.cpp(4.35 KB)
📄 tsan_interface.h(17.5 KB)
📄 tsan_interface_ann.cpp(16.46 KB)
📄 tsan_interface_ann.h(1.02 KB)
📄 tsan_interface_atomic.cpp(25.88 KB)
📄 tsan_interface_inl.h(3.53 KB)
📄 tsan_interface_java.cpp(7.89 KB)
📄 tsan_interface_java.h(4.19 KB)
📄 tsan_malloc_mac.cpp(3.45 KB)
📄 tsan_md5.cpp(6.9 KB)
📄 tsan_mman.cpp(12.08 KB)
📄 tsan_mman.h(2.61 KB)
📄 tsan_mutex.cpp(7.88 KB)
📄 tsan_mutex.h(1.92 KB)
📄 tsan_mutexset.cpp(2.01 KB)
📄 tsan_mutexset.h(1.88 KB)
📄 tsan_new_delete.cpp(6.72 KB)
📄 tsan_platform.h(33.68 KB)
📄 tsan_platform_linux.cpp(16.09 KB)
📄 tsan_platform_mac.cpp(11.81 KB)
📄 tsan_platform_posix.cpp(5.72 KB)
📄 tsan_platform_windows.cpp(922 B)
📄 tsan_ppc_regs.h(1.35 KB)
📄 tsan_preinit.cpp(1021 B)
📄 tsan_report.cpp(15.63 KB)
📄 tsan_report.h(2.79 KB)
📄 tsan_rtl.cpp(34.92 KB)
📄 tsan_rtl.h(28.13 KB)
📄 tsan_rtl_aarch64.S(5.63 KB)
📄 tsan_rtl_amd64.S(8.71 KB)
📄 tsan_rtl_mips64.S(3.69 KB)
📄 tsan_rtl_mutex.cpp(18.71 KB)
📄 tsan_rtl_ppc64.S(8.18 KB)
📄 tsan_rtl_proc.cpp(1.66 KB)
📄 tsan_rtl_report.cpp(23.51 KB)
📄 tsan_rtl_thread.cpp(13.82 KB)
📄 tsan_stack_trace.cpp(1.91 KB)
📄 tsan_stack_trace.h(1.27 KB)
📄 tsan_stat.cpp(12.23 KB)
📄 tsan_stat.h(4.22 KB)
📄 tsan_suppressions.cpp(5.42 KB)
📄 tsan_suppressions.h(1.32 KB)
📄 tsan_symbolize.cpp(3.85 KB)
📄 tsan_symbolize.h(897 B)
📄 tsan_sync.cpp(8.44 KB)
📄 tsan_sync.h(4.88 KB)
📄 tsan_trace.h(1.89 KB)
📄 tsan_update_shadow_word_inl.h(2.22 KB)

Editing: tsan_new_delete.cpp

//===-- tsan_new_delete.cpp ---------------------------------------------===//
//
// 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 (TSan), a race detector.
//
// Interceptors for operators new and delete.
//===----------------------------------------------------------------------===//
#include "interception/interception.h"
#include "sanitizer_common/sanitizer_allocator.h"
#include "sanitizer_common/sanitizer_allocator_report.h"
#include "sanitizer_common/sanitizer_internal_defs.h"
#include "tsan_interceptors.h"
#include "tsan_rtl.h"

using namespace __tsan;

namespace std {
struct nothrow_t {};
enum class align_val_t: __sanitizer::uptr {};
}  // namespace std

DECLARE_REAL(void *, malloc, uptr size)
DECLARE_REAL(void, free, void *ptr)

// TODO(alekseys): throw std::bad_alloc instead of dying on OOM.
#define OPERATOR_NEW_BODY(mangled_name, nothrow) \
  if (in_symbolizer()) \
    return InternalAlloc(size); \
  void *p = 0; \
  {  \
    SCOPED_INTERCEPTOR_RAW(mangled_name, size); \
    p = user_alloc(thr, pc, size); \
    if (!nothrow && UNLIKELY(!p)) { \
      GET_STACK_TRACE_FATAL(thr, pc); \
      ReportOutOfMemory(size, &stack); \
    } \
  }  \
  invoke_malloc_hook(p, size);  \
  return p;

#define OPERATOR_NEW_BODY_ALIGN(mangled_name, nothrow) \
  if (in_symbolizer()) \
    return InternalAlloc(size, nullptr, (uptr)align); \
  void *p = 0; \
  {  \
    SCOPED_INTERCEPTOR_RAW(mangled_name, size); \
    p = user_memalign(thr, pc, (uptr)align, size); \
    if (!nothrow && UNLIKELY(!p)) { \
      GET_STACK_TRACE_FATAL(thr, pc); \
      ReportOutOfMemory(size, &stack); \
    } \
  }  \
  invoke_malloc_hook(p, size);  \
  return p;

SANITIZER_INTERFACE_ATTRIBUTE
void *operator new(__sanitizer::uptr size);
void *operator new(__sanitizer::uptr size) {
  OPERATOR_NEW_BODY(_Znwm, false /*nothrow*/);
}

SANITIZER_INTERFACE_ATTRIBUTE
void *operator new[](__sanitizer::uptr size);
void *operator new[](__sanitizer::uptr size) {
  OPERATOR_NEW_BODY(_Znam, false /*nothrow*/);
}

SANITIZER_INTERFACE_ATTRIBUTE
void *operator new(__sanitizer::uptr size, std::nothrow_t const&);
void *operator new(__sanitizer::uptr size, std::nothrow_t const&) {
  OPERATOR_NEW_BODY(_ZnwmRKSt9nothrow_t, true /*nothrow*/);
}

SANITIZER_INTERFACE_ATTRIBUTE
void *operator new[](__sanitizer::uptr size, std::nothrow_t const&);
void *operator new[](__sanitizer::uptr size, std::nothrow_t const&) {
  OPERATOR_NEW_BODY(_ZnamRKSt9nothrow_t, true /*nothrow*/);
}

SANITIZER_INTERFACE_ATTRIBUTE
void *operator new(__sanitizer::uptr size, std::align_val_t align);
void *operator new(__sanitizer::uptr size, std::align_val_t align) {
  OPERATOR_NEW_BODY_ALIGN(_ZnwmSt11align_val_t, false /*nothrow*/);
}

SANITIZER_INTERFACE_ATTRIBUTE
void *operator new[](__sanitizer::uptr size, std::align_val_t align);
void *operator new[](__sanitizer::uptr size, std::align_val_t align) {
  OPERATOR_NEW_BODY_ALIGN(_ZnamSt11align_val_t, false /*nothrow*/);
}

SANITIZER_INTERFACE_ATTRIBUTE
void *operator new(__sanitizer::uptr size, std::align_val_t align,
                   std::nothrow_t const&);
void *operator new(__sanitizer::uptr size, std::align_val_t align,
                   std::nothrow_t const&) {
  OPERATOR_NEW_BODY_ALIGN(_ZnwmSt11align_val_tRKSt9nothrow_t,
                          true /*nothrow*/);
}

SANITIZER_INTERFACE_ATTRIBUTE
void *operator new[](__sanitizer::uptr size, std::align_val_t align,
                     std::nothrow_t const&);
void *operator new[](__sanitizer::uptr size, std::align_val_t align,
                     std::nothrow_t const&) {
  OPERATOR_NEW_BODY_ALIGN(_ZnamSt11align_val_tRKSt9nothrow_t,
                          true /*nothrow*/);
}

#define OPERATOR_DELETE_BODY(mangled_name) \
  if (ptr == 0) return;  \
  if (in_symbolizer()) \
    return InternalFree(ptr); \
  invoke_free_hook(ptr);  \
  SCOPED_INTERCEPTOR_RAW(mangled_name, ptr);  \
  user_free(thr, pc, ptr);

SANITIZER_INTERFACE_ATTRIBUTE
void operator delete(void *ptr) NOEXCEPT;
void operator delete(void *ptr) NOEXCEPT {
  OPERATOR_DELETE_BODY(_ZdlPv);
}

SANITIZER_INTERFACE_ATTRIBUTE
void operator delete[](void *ptr) NOEXCEPT;
void operator delete[](void *ptr) NOEXCEPT {
  OPERATOR_DELETE_BODY(_ZdaPv);
}

SANITIZER_INTERFACE_ATTRIBUTE
void operator delete(void *ptr, std::nothrow_t const&);
void operator delete(void *ptr, std::nothrow_t const&) {
  OPERATOR_DELETE_BODY(_ZdlPvRKSt9nothrow_t);
}

SANITIZER_INTERFACE_ATTRIBUTE
void operator delete[](void *ptr, std::nothrow_t const&);
void operator delete[](void *ptr, std::nothrow_t const&) {
  OPERATOR_DELETE_BODY(_ZdaPvRKSt9nothrow_t);
}

SANITIZER_INTERFACE_ATTRIBUTE
void operator delete(void *ptr, __sanitizer::uptr size) NOEXCEPT;
void operator delete(void *ptr, __sanitizer::uptr size) NOEXCEPT {
  OPERATOR_DELETE_BODY(_ZdlPvm);
}

SANITIZER_INTERFACE_ATTRIBUTE
void operator delete[](void *ptr, __sanitizer::uptr size) NOEXCEPT;
void operator delete[](void *ptr, __sanitizer::uptr size) NOEXCEPT {
  OPERATOR_DELETE_BODY(_ZdaPvm);
}

SANITIZER_INTERFACE_ATTRIBUTE
void operator delete(void *ptr, std::align_val_t align) NOEXCEPT;
void operator delete(void *ptr, std::align_val_t align) NOEXCEPT {
  OPERATOR_DELETE_BODY(_ZdlPvSt11align_val_t);
}

SANITIZER_INTERFACE_ATTRIBUTE
void operator delete[](void *ptr, std::align_val_t align) NOEXCEPT;
void operator delete[](void *ptr, std::align_val_t align) NOEXCEPT {
  OPERATOR_DELETE_BODY(_ZdaPvSt11align_val_t);
}

SANITIZER_INTERFACE_ATTRIBUTE
void operator delete(void *ptr, std::align_val_t align, std::nothrow_t const&);
void operator delete(void *ptr, std::align_val_t align, std::nothrow_t const&) {
  OPERATOR_DELETE_BODY(_ZdlPvSt11align_val_tRKSt9nothrow_t);
}

SANITIZER_INTERFACE_ATTRIBUTE
void operator delete[](void *ptr, std::align_val_t align,
                       std::nothrow_t const&);
void operator delete[](void *ptr, std::align_val_t align,
                       std::nothrow_t const&) {
  OPERATOR_DELETE_BODY(_ZdaPvSt11align_val_tRKSt9nothrow_t);
}

SANITIZER_INTERFACE_ATTRIBUTE
void operator delete(void *ptr, __sanitizer::uptr size,
                     std::align_val_t align) NOEXCEPT;
void operator delete(void *ptr, __sanitizer::uptr size,
                     std::align_val_t align) NOEXCEPT {
  OPERATOR_DELETE_BODY(_ZdlPvmSt11align_val_t);
}

SANITIZER_INTERFACE_ATTRIBUTE
void operator delete[](void *ptr, __sanitizer::uptr size,
                       std::align_val_t align) NOEXCEPT;
void operator delete[](void *ptr, __sanitizer::uptr size,
                       std::align_val_t align) NOEXCEPT {
  OPERATOR_DELETE_BODY(_ZdaPvmSt11align_val_t);
}

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Editing: tsan_new_delete.cpp

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