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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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