diff options
Diffstat (limited to 'compiler-rt/include/sanitizer/hwasan_interface.h')
| -rw-r--r-- | compiler-rt/include/sanitizer/hwasan_interface.h | 158 |
1 files changed, 82 insertions, 76 deletions
diff --git a/compiler-rt/include/sanitizer/hwasan_interface.h b/compiler-rt/include/sanitizer/hwasan_interface.h index ee742c7f3031..abe310c06669 100644 --- a/compiler-rt/include/sanitizer/hwasan_interface.h +++ b/compiler-rt/include/sanitizer/hwasan_interface.h @@ -18,82 +18,88 @@ #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); - - /* Sets the callback function to be called during HWASan error reporting. */ - void __hwasan_set_error_report_callback(void (*callback)(const char *)); - - 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_reallocarray(void *ptr, size_t nmemb, size_t size); - void * __sanitizer_malloc(size_t size); +// 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 SANITIZER_CDECL __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 *SANITIZER_CDECL __hwasan_default_options(void); + +void SANITIZER_CDECL __hwasan_enable_allocator_tagging(void); +void SANITIZER_CDECL __hwasan_disable_allocator_tagging(void); + +// Mark region of memory with the given tag. Both address and size need to be +// 16-byte aligned. +void SANITIZER_CDECL __hwasan_tag_memory(const volatile void *p, + unsigned char tag, size_t size); + +/// Set pointer tag. Previous tag is lost. +void *SANITIZER_CDECL __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 SANITIZER_CDECL __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 SANITIZER_CDECL __hwasan_handle_vfork(const void *sp_dst); + +// Libc hook for thread creation. Should be called in the child thread before +// any instrumented code. +void SANITIZER_CDECL __hwasan_thread_enter(); + +// Libc hook for thread destruction. No instrumented code should run after +// this call. +void SANITIZER_CDECL __hwasan_thread_exit(); + +// Print shadow and origin for the memory range to stderr in a human-readable +// format. +void SANITIZER_CDECL __hwasan_print_shadow(const volatile void *x, size_t size); + +// Print one-line report about the memory usage of the current process. +void SANITIZER_CDECL __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 SANITIZER_CDECL __hwasan_test_shadow(const volatile void *x, + size_t size); + +/* Sets the callback function to be called during HWASan error reporting. */ +void SANITIZER_CDECL +__hwasan_set_error_report_callback(void (*callback)(const char *)); + +int SANITIZER_CDECL __sanitizer_posix_memalign(void **memptr, size_t alignment, + size_t size); +void *SANITIZER_CDECL __sanitizer_memalign(size_t alignment, size_t size); +void *SANITIZER_CDECL __sanitizer_aligned_alloc(size_t alignment, size_t size); +void *SANITIZER_CDECL __sanitizer___libc_memalign(size_t alignment, + size_t size); +void *SANITIZER_CDECL __sanitizer_valloc(size_t size); +void *SANITIZER_CDECL __sanitizer_pvalloc(size_t size); +void SANITIZER_CDECL __sanitizer_free(void *ptr); +void SANITIZER_CDECL __sanitizer_cfree(void *ptr); +size_t SANITIZER_CDECL __sanitizer_malloc_usable_size(const void *ptr); +struct mallinfo SANITIZER_CDECL __sanitizer_mallinfo(); +int SANITIZER_CDECL __sanitizer_mallopt(int cmd, int value); +void SANITIZER_CDECL __sanitizer_malloc_stats(void); +void *SANITIZER_CDECL __sanitizer_calloc(size_t nmemb, size_t size); +void *SANITIZER_CDECL __sanitizer_realloc(void *ptr, size_t size); +void *SANITIZER_CDECL __sanitizer_reallocarray(void *ptr, size_t nmemb, + size_t size); +void *SANITIZER_CDECL __sanitizer_malloc(size_t size); #ifdef __cplusplus -} // extern "C" +} // extern "C" #endif -#endif // SANITIZER_HWASAN_INTERFACE_H +#endif // SANITIZER_HWASAN_INTERFACE_H |