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https://github.com/SerenityOS/serenity
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1682f0b760
SPDX License Identifiers are a more compact / standardized way of representing file license information. See: https://spdx.dev/resources/use/#identifiers This was done with the `ambr` search and replace tool. ambr --no-parent-ignore --key-from-file --rep-from-file key.txt rep.txt *
107 lines
3.6 KiB
C++
107 lines
3.6 KiB
C++
/*
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* Copyright (c) 2021, Brian Gianforcaro <b.gianfo@gmail.com>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#if defined(__SANITIZE_ADDRESS__)
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# include <Kernel/AddressSanitizer.h>
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void Kernel::AddressSanitizer::shadow_va_check_load(unsigned long address, size_t size, void* return_address)
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{
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(void)address;
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(void)size;
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(void)return_address;
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}
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void Kernel::AddressSanitizer::shadow_va_check_store(unsigned long address, size_t size, void* return_address)
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{
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(void)address;
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(void)size;
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(void)return_address;
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}
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using namespace Kernel;
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using namespace Kernel::AddressSanitizer;
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extern "C" {
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// Define a macro to easily declare the KASAN load and store callbacks for
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// the various sizes of data type.
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//
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# define ADDRESS_SANITIZER_LOAD_STORE(size) \
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void __asan_load##size(unsigned long); \
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void __asan_load##size(unsigned long address) \
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{ \
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shadow_va_check_load(address, size, __builtin_return_address(0)); \
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} \
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void __asan_load##size##_noabort(unsigned long); \
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void __asan_load##size##_noabort(unsigned long address) \
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{ \
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shadow_va_check_load(address, size, __builtin_return_address(0)); \
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} \
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void __asan_store##size(unsigned long); \
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void __asan_store##size(unsigned long address) \
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{ \
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shadow_va_check_store(address, size, __builtin_return_address(0)); \
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} \
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void __asan_store##size##_noabort(unsigned long); \
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void __asan_store##size##_noabort(unsigned long address) \
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{ \
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shadow_va_check_store(address, size, __builtin_return_address(0)); \
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}
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ADDRESS_SANITIZER_LOAD_STORE(1);
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ADDRESS_SANITIZER_LOAD_STORE(2);
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ADDRESS_SANITIZER_LOAD_STORE(4);
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ADDRESS_SANITIZER_LOAD_STORE(8);
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ADDRESS_SANITIZER_LOAD_STORE(16);
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# undef ADDRESS_SANITIZER_LOAD_STORE
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void __asan_loadN(unsigned long, size_t);
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void __asan_loadN(unsigned long address, size_t size)
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{
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shadow_va_check_load(address, size, __builtin_return_address(0));
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}
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void __asan_loadN_noabort(unsigned long, size_t);
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void __asan_loadN_noabort(unsigned long address, size_t size)
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{
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shadow_va_check_load(address, size, __builtin_return_address(0));
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}
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void __asan_storeN(unsigned long, size_t);
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void __asan_storeN(unsigned long address, size_t size)
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{
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shadow_va_check_store(address, size, __builtin_return_address(0));
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}
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void __asan_storeN_noabort(unsigned long, size_t);
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void __asan_storeN_noabort(unsigned long address, size_t size)
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{
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shadow_va_check_store(address, size, __builtin_return_address(0));
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}
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// Performs shadow memory cleanup of the current thread's stack before a
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// function marked with the [[noreturn]] attribute is called.
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//
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void __asan_handle_no_return(void);
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void __asan_handle_no_return(void)
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{
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}
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void __asan_before_dynamic_init(const char*);
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void __asan_before_dynamic_init(const char* /* module_name */)
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{
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}
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void __asan_after_dynamic_init();
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void __asan_after_dynamic_init()
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{
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}
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}
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#endif
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