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scudo_allocator.cpp
(30.02 KB)
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scudo_allocator.h
(4.54 KB)
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scudo_allocator_combined.h
(2.14 KB)
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scudo_allocator_secondary.h
(7.03 KB)
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scudo_crc32.cpp
(893 B)
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scudo_crc32.h
(4.74 KB)
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scudo_errors.cpp
(2.82 KB)
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scudo_errors.h
(1.31 KB)
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scudo_flags.cpp
(4.25 KB)
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scudo_flags.h
(805 B)
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scudo_flags.inc
(2.11 KB)
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scudo_interface_internal.h
(984 B)
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scudo_malloc.cpp
(2.2 KB)
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scudo_new_delete.cpp
(4.14 KB)
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scudo_platform.h
(3.09 KB)
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scudo_termination.cpp
(1.36 KB)
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scudo_tsd.h
(1.67 KB)
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scudo_tsd_exclusive.cpp
(2.17 KB)
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scudo_tsd_exclusive.inc
(1.34 KB)
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scudo_tsd_shared.cpp
(3.38 KB)
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scudo_tsd_shared.inc
(1.61 KB)
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scudo_utils.cpp
(4.89 KB)
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scudo_utils.h
(986 B)
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standalone
Editing: scudo_new_delete.cpp
//===-- scudo_new_delete.cpp ------------------------------------*- 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 // //===----------------------------------------------------------------------===// /// /// Interceptors for operators new and delete. /// //===----------------------------------------------------------------------===// #include "scudo_allocator.h" #include "scudo_errors.h" #include "interception/interception.h" #include <stddef.h> using namespace __scudo; #define CXX_OPERATOR_ATTRIBUTE INTERCEPTOR_ATTRIBUTE // Fake std::nothrow_t to avoid including <new>. namespace std { struct nothrow_t {}; enum class align_val_t: size_t {}; } // namespace std // TODO(alekseys): throw std::bad_alloc instead of dying on OOM. #define OPERATOR_NEW_BODY_ALIGN(Type, Align, NoThrow) \ void *Ptr = scudoAllocate(size, static_cast<uptr>(Align), Type); \ if (!NoThrow && UNLIKELY(!Ptr)) reportOutOfMemory(size); \ return Ptr; #define OPERATOR_NEW_BODY(Type, NoThrow) \ OPERATOR_NEW_BODY_ALIGN(Type, 0, NoThrow) CXX_OPERATOR_ATTRIBUTE void *operator new(size_t size) { OPERATOR_NEW_BODY(FromNew, /*NoThrow=*/false); } CXX_OPERATOR_ATTRIBUTE void *operator new[](size_t size) { OPERATOR_NEW_BODY(FromNewArray, /*NoThrow=*/false); } CXX_OPERATOR_ATTRIBUTE void *operator new(size_t size, std::nothrow_t const&) { OPERATOR_NEW_BODY(FromNew, /*NoThrow=*/true); } CXX_OPERATOR_ATTRIBUTE void *operator new[](size_t size, std::nothrow_t const&) { OPERATOR_NEW_BODY(FromNewArray, /*NoThrow=*/true); } CXX_OPERATOR_ATTRIBUTE void *operator new(size_t size, std::align_val_t align) { OPERATOR_NEW_BODY_ALIGN(FromNew, align, /*NoThrow=*/false); } CXX_OPERATOR_ATTRIBUTE void *operator new[](size_t size, std::align_val_t align) { OPERATOR_NEW_BODY_ALIGN(FromNewArray, align, /*NoThrow=*/false); } CXX_OPERATOR_ATTRIBUTE void *operator new(size_t size, std::align_val_t align, std::nothrow_t const&) { OPERATOR_NEW_BODY_ALIGN(FromNew, align, /*NoThrow=*/true); } CXX_OPERATOR_ATTRIBUTE void *operator new[](size_t size, std::align_val_t align, std::nothrow_t const&) { OPERATOR_NEW_BODY_ALIGN(FromNewArray, align, /*NoThrow=*/true); } #define OPERATOR_DELETE_BODY(Type) \ scudoDeallocate(ptr, 0, 0, Type); #define OPERATOR_DELETE_BODY_SIZE(Type) \ scudoDeallocate(ptr, size, 0, Type); #define OPERATOR_DELETE_BODY_ALIGN(Type) \ scudoDeallocate(ptr, 0, static_cast<uptr>(align), Type); #define OPERATOR_DELETE_BODY_SIZE_ALIGN(Type) \ scudoDeallocate(ptr, size, static_cast<uptr>(align), Type); CXX_OPERATOR_ATTRIBUTE void operator delete(void *ptr) NOEXCEPT { OPERATOR_DELETE_BODY(FromNew); } CXX_OPERATOR_ATTRIBUTE void operator delete[](void *ptr) NOEXCEPT { OPERATOR_DELETE_BODY(FromNewArray); } CXX_OPERATOR_ATTRIBUTE void operator delete(void *ptr, std::nothrow_t const&) { OPERATOR_DELETE_BODY(FromNew); } CXX_OPERATOR_ATTRIBUTE void operator delete[](void *ptr, std::nothrow_t const&) { OPERATOR_DELETE_BODY(FromNewArray); } CXX_OPERATOR_ATTRIBUTE void operator delete(void *ptr, size_t size) NOEXCEPT { OPERATOR_DELETE_BODY_SIZE(FromNew); } CXX_OPERATOR_ATTRIBUTE void operator delete[](void *ptr, size_t size) NOEXCEPT { OPERATOR_DELETE_BODY_SIZE(FromNewArray); } CXX_OPERATOR_ATTRIBUTE void operator delete(void *ptr, std::align_val_t align) NOEXCEPT { OPERATOR_DELETE_BODY_ALIGN(FromNew); } CXX_OPERATOR_ATTRIBUTE void operator delete[](void *ptr, std::align_val_t align) NOEXCEPT { OPERATOR_DELETE_BODY_ALIGN(FromNewArray); } CXX_OPERATOR_ATTRIBUTE void operator delete(void *ptr, std::align_val_t align, std::nothrow_t const&) { OPERATOR_DELETE_BODY_ALIGN(FromNew); } CXX_OPERATOR_ATTRIBUTE void operator delete[](void *ptr, std::align_val_t align, std::nothrow_t const&) { OPERATOR_DELETE_BODY_ALIGN(FromNewArray); } CXX_OPERATOR_ATTRIBUTE void operator delete(void *ptr, size_t size, std::align_val_t align) NOEXCEPT { OPERATOR_DELETE_BODY_SIZE_ALIGN(FromNew); } CXX_OPERATOR_ATTRIBUTE void operator delete[](void *ptr, size_t size, std::align_val_t align) NOEXCEPT { OPERATOR_DELETE_BODY_SIZE_ALIGN(FromNewArray); }
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