1//===-- memprof_internal.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, a memory profiler.
10//
11// MemProf-private header which defines various general utilities.
12//===----------------------------------------------------------------------===//
13#ifndef MEMPROF_INTERNAL_H
14#define MEMPROF_INTERNAL_H
15
16#include "memprof_flags.h"
17#include "memprof_interface_internal.h"
18#include "sanitizer_common/sanitizer_common.h"
19#include "sanitizer_common/sanitizer_internal_defs.h"
20#include "sanitizer_common/sanitizer_libc.h"
21#include "sanitizer_common/sanitizer_stacktrace.h"
22
23// Build-time configuration options.
24
25// If set, memprof will intercept C++ exception api call(s).
26#ifndef MEMPROF_HAS_EXCEPTIONS
27#define MEMPROF_HAS_EXCEPTIONS 1
28#endif
29
30#ifndef MEMPROF_DYNAMIC
31#ifdef PIC
32#define MEMPROF_DYNAMIC 1
33#else
34#define MEMPROF_DYNAMIC 0
35#endif
36#endif
37
38// All internal functions in memprof reside inside the __memprof namespace
39// to avoid namespace collisions with the user programs.
40// Separate namespace also makes it simpler to distinguish the memprof
41// run-time functions from the instrumented user code in a profile.
42namespace __memprof {
43
44class MemprofThread;
45using __sanitizer::StackTrace;
46
47void MemprofInitFromRtl();
48
49// memprof_rtl.cpp
50void PrintAddressSpaceLayout();
51
52// memprof_shadow_setup.cpp
53void InitializeShadowMemory();
54
55// memprof_malloc_linux.cpp
56void ReplaceSystemMalloc();
57
58// memprof_linux.cpp
59uptr FindDynamicShadowStart();
60
61// memprof_thread.cpp
62MemprofThread *CreateMainThread();
63
64// Wrapper for TLS/TSD.
65void TSDInit(void (*destructor)(void *tsd));
66void *TSDGet();
67void TSDSet(void *tsd);
68void PlatformTSDDtor(void *tsd);
69
70void *MemprofDlSymNext(const char *sym);
71
72extern int memprof_inited;
73extern int memprof_timestamp_inited;
74// Used to avoid infinite recursion in __memprof_init().
75extern bool memprof_init_is_running;
76extern void (*death_callback)(void);
77extern long memprof_init_timestamp_s;
78
79} // namespace __memprof
80
81#endif // MEMPROF_INTERNAL_H
82