1//===-- sanitizer/memprof_interface.h --------------------------*- C++ -*-===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8//
9// This file is a part of MemProfiler (MemProf).
10//
11// Public interface header.
12//===----------------------------------------------------------------------===//
13#ifndef SANITIZER_MEMPROF_INTERFACE_H
14#define SANITIZER_MEMPROF_INTERFACE_H
15
16#include <sanitizer/common_interface_defs.h>
17
18#ifdef __cplusplus
19extern "C" {
20#endif
21/// Records access to a memory region (<c>[addr, addr+size)</c>).
22///
23/// This memory must be previously allocated by your program.
24///
25/// \param addr Start of memory region.
26/// \param size Size of memory region.
27void SANITIZER_CDECL __memprof_record_access_range(void const volatile *addr,
28 size_t size);
29
30/// Records access to a memory address <c><i>addr</i></c>.
31///
32/// This memory must be previously allocated by your program.
33///
34/// \param addr Accessed memory address
35void SANITIZER_CDECL __memprof_record_access(void const volatile *addr);
36
37/// User-provided callback on MemProf errors.
38///
39/// You can provide a function that would be called immediately when MemProf
40/// detects an error. This is useful in cases when MemProf detects an error but
41/// your program crashes before the MemProf report is printed.
42void SANITIZER_CDECL __memprof_on_error(void);
43
44/// Prints accumulated statistics to <c>stderr</c> (useful for calling from the
45/// debugger).
46void SANITIZER_CDECL __memprof_print_accumulated_stats(void);
47
48/// User-provided default option settings.
49///
50/// You can set these options via the -memprof-runtime-default-options LLVM flag
51/// or you can provide your own implementation of this function. See
52/// memprof_flags.h for more info.
53///
54/// \returns Default options string.
55const char *SANITIZER_CDECL __memprof_default_options(void);
56
57/// Prints the memory profile to the current profile file.
58///
59/// \returns 0 on success.
60int SANITIZER_CDECL __memprof_profile_dump(void);
61
62/// Closes the existing file descriptor, if it is valid and not stdout or
63/// stderr, and resets the internal state such that the profile filename is
64/// reopened on the next profile dump attempt. This can be used to enable
65/// multiple rounds of profiling on the same binary.
66void SANITIZER_CDECL __memprof_profile_reset(void);
67
68#ifdef __cplusplus
69} // extern "C"
70#endif
71
72#endif // SANITIZER_MEMPROF_INTERFACE_H
73

source code of compiler-rt/include/sanitizer/memprof_interface.h