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_vptr_update(void **vptr_p, void *new_val) {
54 CHECK_EQ(sizeof(vptr_p), 8);
55 if (*vptr_p != new_val) {
56 ThreadState *thr = cur_thread();
57 thr->is_vptr_access = true;
58 MemoryWrite(thr, CALLERPC, (uptr)vptr_p, kSizeLog8);
59 thr->is_vptr_access = false;
63 void __tsan_vptr_read(void **vptr_p) {
64 CHECK_EQ(sizeof(vptr_p), 8);
65 ThreadState *thr = cur_thread();
66 thr->is_vptr_access = true;
67 MemoryRead(thr, CALLERPC, (uptr)vptr_p, kSizeLog8);
68 thr->is_vptr_access = false;
71 void __tsan_func_entry(void *pc) {
72 FuncEntry(cur_thread(), (uptr)pc);
75 void __tsan_func_exit() {
76 FuncExit(cur_thread());
79 void __tsan_read_range(void *addr, uptr size) {
80 MemoryAccessRange(cur_thread(), CALLERPC, (uptr)addr, size, false);
83 void __tsan_write_range(void *addr, uptr size) {
84 MemoryAccessRange(cur_thread(), CALLERPC, (uptr)addr, size, true);