Retro68/gcc/libsanitizer/include/sanitizer/hwasan_interface.h
Wolfgang Thaller 6fbf4226da gcc-9.1
2019-06-20 20:10:10 +02:00

83 lines
3.2 KiB
C++

//===-- sanitizer/asan_interface.h ------------------------------*- C++ -*-===//
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// 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
// Initialize shadow but not the rest of the runtime.
// Does not call libc unless there is an error.
// Can be called multiple times, or not at all (in which case shadow will
// be initialized in compiler-inserted __hwasan_init() call).
void __hwasan_shadow_init(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);
// 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();
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