1 files changed, 82 insertions, 0 deletions
diff --git a/libsanitizer/include/sanitizer/hwasan_interface.h b/libsanitizer/include/sanitizer/hwasan_interface.h
new file mode 100644
index 00000000000..938e9ac464a
--- /dev/null
+++ b/libsanitizer/include/sanitizer/hwasan_interface.h
@@ -0,0 +1,82 @@
+//===-- 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