1 //===-- tsan_interface_inl.h ------------------------------------*- C++ -*-===//
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
7 //===----------------------------------------------------------------------===//
9 // This file is a part of ThreadSanitizer (TSan), a race detector.
11 //===----------------------------------------------------------------------===//
13 #include "tsan_interface.h"
16 #define CALLERPC ((uptr)__builtin_return_address(0))
18 using namespace __tsan; // NOLINT
20 void __tsan_read1(void *addr) {
21 MemoryRead(cur_thread(), CALLERPC, (uptr)addr, kSizeLog1);
24 void __tsan_read2(void *addr) {
25 MemoryRead(cur_thread(), CALLERPC, (uptr)addr, kSizeLog2);
28 void __tsan_read4(void *addr) {
29 MemoryRead(cur_thread(), CALLERPC, (uptr)addr, kSizeLog4);
32 void __tsan_read8(void *addr) {
33 MemoryRead(cur_thread(), CALLERPC, (uptr)addr, kSizeLog8);
36 void __tsan_write1(void *addr) {
37 MemoryWrite(cur_thread(), CALLERPC, (uptr)addr, kSizeLog1);
40 void __tsan_write2(void *addr) {
41 MemoryWrite(cur_thread(), CALLERPC, (uptr)addr, kSizeLog2);
44 void __tsan_write4(void *addr) {
45 MemoryWrite(cur_thread(), CALLERPC, (uptr)addr, kSizeLog4);
48 void __tsan_write8(void *addr) {
49 MemoryWrite(cur_thread(), CALLERPC, (uptr)addr, kSizeLog8);
52 void __tsan_read1_pc(void *addr, void *pc) {
53 MemoryRead(cur_thread(), (uptr)pc, (uptr)addr, kSizeLog1);
56 void __tsan_read2_pc(void *addr, void *pc) {
57 MemoryRead(cur_thread(), (uptr)pc, (uptr)addr, kSizeLog2);
60 void __tsan_read4_pc(void *addr, void *pc) {
61 MemoryRead(cur_thread(), (uptr)pc, (uptr)addr, kSizeLog4);
64 void __tsan_read8_pc(void *addr, void *pc) {
65 MemoryRead(cur_thread(), (uptr)pc, (uptr)addr, kSizeLog8);
68 void __tsan_write1_pc(void *addr, void *pc) {
69 MemoryWrite(cur_thread(), (uptr)pc, (uptr)addr, kSizeLog1);
72 void __tsan_write2_pc(void *addr, void *pc) {
73 MemoryWrite(cur_thread(), (uptr)pc, (uptr)addr, kSizeLog2);
76 void __tsan_write4_pc(void *addr, void *pc) {
77 MemoryWrite(cur_thread(), (uptr)pc, (uptr)addr, kSizeLog4);
80 void __tsan_write8_pc(void *addr, void *pc) {
81 MemoryWrite(cur_thread(), (uptr)pc, (uptr)addr, kSizeLog8);
84 void __tsan_vptr_update(void **vptr_p, void *new_val) {
85 CHECK_EQ(sizeof(vptr_p), 8);
86 if (*vptr_p != new_val) {
87 ThreadState *thr = cur_thread();
88 thr->is_vptr_access = true;
89 MemoryWrite(thr, CALLERPC, (uptr)vptr_p, kSizeLog8);
90 thr->is_vptr_access = false;
94 void __tsan_vptr_read(void **vptr_p) {
95 CHECK_EQ(sizeof(vptr_p), 8);
96 ThreadState *thr = cur_thread();
97 thr->is_vptr_access = true;
98 MemoryRead(thr, CALLERPC, (uptr)vptr_p, kSizeLog8);
99 thr->is_vptr_access = false;
102 void __tsan_func_entry(void *pc) {
103 FuncEntry(cur_thread(), (uptr)pc);
106 void __tsan_func_exit() {
107 FuncExit(cur_thread());
110 void __tsan_ignore_thread_begin() {
111 ThreadIgnoreBegin(cur_thread(), CALLERPC);
114 void __tsan_ignore_thread_end() {
115 ThreadIgnoreEnd(cur_thread(), CALLERPC);
118 void __tsan_read_range(void *addr, uptr size) {
119 MemoryAccessRange(cur_thread(), CALLERPC, (uptr)addr, size, false);
122 void __tsan_write_range(void *addr, uptr size) {
123 MemoryAccessRange(cur_thread(), CALLERPC, (uptr)addr, size, true);