| //===-- sanitizer/asan_interface.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 HWAddressSanitizer. |
| // |
| // Public interface header. |
| //===----------------------------------------------------------------------===// |
| #ifndef SANITIZER_HWASAN_INTERFACE_H |
| #define SANITIZER_HWASAN_INTERFACE_H |
| |
| #include <sanitizer/common_interface_defs.h> |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| // Libc hook for program startup in statically linked executables. |
| // Initializes enough of the runtime to run instrumented code. This function |
| // should only be called in statically linked executables because it modifies |
| // the GOT, which won't work in regular binaries because RELRO will already |
| // have been applied by the time the function is called. This also means that |
| // the function should be called before libc applies RELRO. |
| // Does not call libc unless there is an error. |
| // Can be called multiple times. |
| void __hwasan_init_static(void); |
| |
| // This function may be optionally provided by user and should return |
| // a string containing HWASan runtime options. See asan_flags.h for details. |
| const char* __hwasan_default_options(void); |
| |
| void __hwasan_enable_allocator_tagging(void); |
| void __hwasan_disable_allocator_tagging(void); |
| |
| // Mark region of memory with the given tag. Both address and size need to be |
| // 16-byte aligned. |
| void __hwasan_tag_memory(const volatile void *p, unsigned char tag, |
| size_t size); |
| |
| /// Set pointer tag. Previous tag is lost. |
| void *__hwasan_tag_pointer(const volatile void *p, unsigned char tag); |
| |
| // Set memory tag from the current SP address to the given address to zero. |
| // This is meant to annotate longjmp and other non-local jumps. |
| // This function needs to know the (almost) exact destination frame address; |
| // clearing shadow for the entire thread stack like __asan_handle_no_return |
| // does would cause false reports. |
| void __hwasan_handle_longjmp(const void *sp_dst); |
| |
| // Set memory tag for the part of the current thread stack below sp_dst to |
| // zero. Call this in vfork() before returning in the parent process. |
| void __hwasan_handle_vfork(const void *sp_dst); |
| |
| // Libc hook for thread creation. Should be called in the child thread before |
| // any instrumented code. |
| void __hwasan_thread_enter(); |
| |
| // Libc hook for thread destruction. No instrumented code should run after |
| // this call. |
| void __hwasan_thread_exit(); |
| |
| // Print shadow and origin for the memory range to stderr in a human-readable |
| // format. |
| void __hwasan_print_shadow(const volatile void *x, size_t size); |
| |
| // Print one-line report about the memory usage of the current process. |
| void __hwasan_print_memory_usage(); |
| |
| /* Returns the offset of the first byte in the memory range that can not be |
| * accessed through the pointer in x, or -1 if the whole range is good. */ |
| intptr_t __hwasan_test_shadow(const volatile void *x, size_t size); |
| |
| int __sanitizer_posix_memalign(void **memptr, size_t alignment, size_t size); |
| void * __sanitizer_memalign(size_t alignment, size_t size); |
| void * __sanitizer_aligned_alloc(size_t alignment, size_t size); |
| void * __sanitizer___libc_memalign(size_t alignment, size_t size); |
| void * __sanitizer_valloc(size_t size); |
| void * __sanitizer_pvalloc(size_t size); |
| void __sanitizer_free(void *ptr); |
| void __sanitizer_cfree(void *ptr); |
| size_t __sanitizer_malloc_usable_size(const void *ptr); |
| struct mallinfo __sanitizer_mallinfo(); |
| int __sanitizer_mallopt(int cmd, int value); |
| void __sanitizer_malloc_stats(void); |
| void * __sanitizer_calloc(size_t nmemb, size_t size); |
| void * __sanitizer_realloc(void *ptr, size_t size); |
| void * __sanitizer_malloc(size_t size); |
| #ifdef __cplusplus |
| } // extern "C" |
| #endif |
| |
| #endif // SANITIZER_HWASAN_INTERFACE_H |