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lib/gcc/x86_64-redhat-linux/11/include/sanitizer/_[ Not.Writable ]

File://lib/gcc/x86_64-redhat-linux/11/include/sanitizer/hwasan_interface.h

//===-- 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_reallocarray(void *ptr, size_t nmemb, size_t size);
  void * __sanitizer_malloc(size_t size);
#ifdef __cplusplus
}  // extern "C"
#endif

#endif  // SANITIZER_HWASAN_INTERFACE_H

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