1 //===-- tsan_interface_inl.h ------------------------------------*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file is a part of ThreadSanitizer (TSan), a race detector.
12 //===----------------------------------------------------------------------===//
14 #include "tsan_interface.h"
17 #define CALLERPC ((uptr)__builtin_return_address(0))
19 using namespace __tsan; // NOLINT
21 void __tsan_read1(void *addr) {
22 MemoryRead(cur_thread(), CALLERPC, (uptr)addr, kSizeLog1);
25 void __tsan_read2(void *addr) {
26 MemoryRead(cur_thread(), CALLERPC, (uptr)addr, kSizeLog2);
29 void __tsan_read4(void *addr) {
30 MemoryRead(cur_thread(), CALLERPC, (uptr)addr, kSizeLog4);
33 void __tsan_read8(void *addr) {
34 MemoryRead(cur_thread(), CALLERPC, (uptr)addr, kSizeLog8);
37 void __tsan_write1(void *addr) {
38 MemoryWrite(cur_thread(), CALLERPC, (uptr)addr, kSizeLog1);
41 void __tsan_write2(void *addr) {
42 MemoryWrite(cur_thread(), CALLERPC, (uptr)addr, kSizeLog2);
45 void __tsan_write4(void *addr) {
46 MemoryWrite(cur_thread(), CALLERPC, (uptr)addr, kSizeLog4);
49 void __tsan_write8(void *addr) {
50 MemoryWrite(cur_thread(), CALLERPC, (uptr)addr, kSizeLog8);
53 void __tsan_read1_pc(void *addr, void *pc) {
54 MemoryRead(cur_thread(), (uptr)pc, (uptr)addr, kSizeLog1);
57 void __tsan_read2_pc(void *addr, void *pc) {
58 MemoryRead(cur_thread(), (uptr)pc, (uptr)addr, kSizeLog2);
61 void __tsan_read4_pc(void *addr, void *pc) {
62 MemoryRead(cur_thread(), (uptr)pc, (uptr)addr, kSizeLog4);
65 void __tsan_read8_pc(void *addr, void *pc) {
66 MemoryRead(cur_thread(), (uptr)pc, (uptr)addr, kSizeLog8);
69 void __tsan_write1_pc(void *addr, void *pc) {
70 MemoryWrite(cur_thread(), (uptr)pc, (uptr)addr, kSizeLog1);
73 void __tsan_write2_pc(void *addr, void *pc) {
74 MemoryWrite(cur_thread(), (uptr)pc, (uptr)addr, kSizeLog2);
77 void __tsan_write4_pc(void *addr, void *pc) {
78 MemoryWrite(cur_thread(), (uptr)pc, (uptr)addr, kSizeLog4);
81 void __tsan_write8_pc(void *addr, void *pc) {
82 MemoryWrite(cur_thread(), (uptr)pc, (uptr)addr, kSizeLog8);
85 void __tsan_vptr_update(void **vptr_p, void *new_val) {
86 CHECK_EQ(sizeof(vptr_p), 8);
87 if (*vptr_p != new_val) {
88 ThreadState *thr = cur_thread();
89 thr->is_vptr_access = true;
90 MemoryWrite(thr, CALLERPC, (uptr)vptr_p, kSizeLog8);
91 thr->is_vptr_access = false;
95 void __tsan_vptr_read(void **vptr_p) {
96 CHECK_EQ(sizeof(vptr_p), 8);
97 ThreadState *thr = cur_thread();
98 thr->is_vptr_access = true;
99 MemoryRead(thr, CALLERPC, (uptr)vptr_p, kSizeLog8);
100 thr->is_vptr_access = false;
103 void __tsan_func_entry(void *pc) {
104 FuncEntry(cur_thread(), (uptr)pc);
107 void __tsan_func_exit() {
108 FuncExit(cur_thread());
111 void __tsan_ignore_thread_begin() {
112 ThreadIgnoreBegin(cur_thread(), CALLERPC);
115 void __tsan_ignore_thread_end() {
116 ThreadIgnoreEnd(cur_thread(), CALLERPC);
119 void __tsan_read_range(void *addr, uptr size) {
120 MemoryAccessRange(cur_thread(), CALLERPC, (uptr)addr, size, false);
123 void __tsan_write_range(void *addr, uptr size) {
124 MemoryAccessRange(cur_thread(), CALLERPC, (uptr)addr, size, true);