1 //===-- tsan_interface_inl.h ------------------------------------*- C++ -*-===//
2 //
3 // The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 //
10 // This file is a part of ThreadSanitizer (TSan), a race detector.
11 //
12 //===----------------------------------------------------------------------===//
13
14 #include "tsan_interface.h"
15 #include "tsan_rtl.h"
16
17 #define CALLERPC ((uptr)__builtin_return_address(0))
18
19 using namespace __tsan; // NOLINT
20
__tsan_read1(void * addr)21 void __tsan_read1(void *addr) {
22 MemoryRead(cur_thread(), CALLERPC, (uptr)addr, kSizeLog1);
23 }
24
__tsan_read2(void * addr)25 void __tsan_read2(void *addr) {
26 MemoryRead(cur_thread(), CALLERPC, (uptr)addr, kSizeLog2);
27 }
28
__tsan_read4(void * addr)29 void __tsan_read4(void *addr) {
30 MemoryRead(cur_thread(), CALLERPC, (uptr)addr, kSizeLog4);
31 }
32
__tsan_read8(void * addr)33 void __tsan_read8(void *addr) {
34 MemoryRead(cur_thread(), CALLERPC, (uptr)addr, kSizeLog8);
35 }
36
__tsan_write1(void * addr)37 void __tsan_write1(void *addr) {
38 MemoryWrite(cur_thread(), CALLERPC, (uptr)addr, kSizeLog1);
39 }
40
__tsan_write2(void * addr)41 void __tsan_write2(void *addr) {
42 MemoryWrite(cur_thread(), CALLERPC, (uptr)addr, kSizeLog2);
43 }
44
__tsan_write4(void * addr)45 void __tsan_write4(void *addr) {
46 MemoryWrite(cur_thread(), CALLERPC, (uptr)addr, kSizeLog4);
47 }
48
__tsan_write8(void * addr)49 void __tsan_write8(void *addr) {
50 MemoryWrite(cur_thread(), CALLERPC, (uptr)addr, kSizeLog8);
51 }
52
__tsan_vptr_update(void ** vptr_p,void * new_val)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;
60 }
61 }
62
__tsan_vptr_read(void ** vptr_p)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;
69 }
70
__tsan_func_entry(void * pc)71 void __tsan_func_entry(void *pc) {
72 FuncEntry(cur_thread(), (uptr)pc);
73 }
74
__tsan_func_exit()75 void __tsan_func_exit() {
76 FuncExit(cur_thread());
77 }
78
__tsan_read_range(void * addr,uptr size)79 void __tsan_read_range(void *addr, uptr size) {
80 MemoryAccessRange(cur_thread(), CALLERPC, (uptr)addr, size, false);
81 }
82
__tsan_write_range(void * addr,uptr size)83 void __tsan_write_range(void *addr, uptr size) {
84 MemoryAccessRange(cur_thread(), CALLERPC, (uptr)addr, size, true);
85 }
86