1 //===-- tsan_interface_inl.h ------------------------------------*- C++ -*-===//
2 //
3 // This file is distributed under the University of Illinois Open Source
4 // License. See LICENSE.TXT for details.
5 //
6 //===----------------------------------------------------------------------===//
7 //
8 // This file is a part of ThreadSanitizer (TSan), a race detector.
9 //
10 //===----------------------------------------------------------------------===//
11
12 #include "tsan_interface.h"
13 #include "tsan_rtl.h"
14
15 #define CALLERPC ((uptr)__builtin_return_address(0))
16
17 using namespace __tsan; // NOLINT
18
__tsan_read1(void * addr)19 void __tsan_read1(void *addr) {
20 MemoryRead(cur_thread(), CALLERPC, (uptr)addr, kSizeLog1);
21 }
22
__tsan_read2(void * addr)23 void __tsan_read2(void *addr) {
24 MemoryRead(cur_thread(), CALLERPC, (uptr)addr, kSizeLog2);
25 }
26
__tsan_read4(void * addr)27 void __tsan_read4(void *addr) {
28 MemoryRead(cur_thread(), CALLERPC, (uptr)addr, kSizeLog4);
29 }
30
__tsan_read8(void * addr)31 void __tsan_read8(void *addr) {
32 MemoryRead(cur_thread(), CALLERPC, (uptr)addr, kSizeLog8);
33 }
34
__tsan_write1(void * addr)35 void __tsan_write1(void *addr) {
36 MemoryWrite(cur_thread(), CALLERPC, (uptr)addr, kSizeLog1);
37 }
38
__tsan_write2(void * addr)39 void __tsan_write2(void *addr) {
40 MemoryWrite(cur_thread(), CALLERPC, (uptr)addr, kSizeLog2);
41 }
42
__tsan_write4(void * addr)43 void __tsan_write4(void *addr) {
44 MemoryWrite(cur_thread(), CALLERPC, (uptr)addr, kSizeLog4);
45 }
46
__tsan_write8(void * addr)47 void __tsan_write8(void *addr) {
48 MemoryWrite(cur_thread(), CALLERPC, (uptr)addr, kSizeLog8);
49 }
50
__tsan_vptr_update(void ** vptr_p,void * new_val)51 void __tsan_vptr_update(void **vptr_p, void *new_val) {
52 CHECK_EQ(sizeof(vptr_p), 8);
53 if (*vptr_p != new_val) {
54 ThreadState *thr = cur_thread();
55 thr->is_vptr_access = true;
56 MemoryWrite(thr, CALLERPC, (uptr)vptr_p, kSizeLog8);
57 thr->is_vptr_access = false;
58 }
59 }
60
__tsan_vptr_read(void ** vptr_p)61 void __tsan_vptr_read(void **vptr_p) {
62 CHECK_EQ(sizeof(vptr_p), 8);
63 ThreadState *thr = cur_thread();
64 thr->is_vptr_access = true;
65 MemoryRead(thr, CALLERPC, (uptr)vptr_p, kSizeLog8);
66 thr->is_vptr_access = false;
67 }
68
__tsan_func_entry(void * pc)69 void __tsan_func_entry(void *pc) {
70 FuncEntry(cur_thread(), (uptr)pc);
71 }
72
__tsan_func_exit()73 void __tsan_func_exit() {
74 FuncExit(cur_thread());
75 }
76
__tsan_read_range(void * addr,uptr size)77 void __tsan_read_range(void *addr, uptr size) {
78 MemoryAccessRange(cur_thread(), CALLERPC, (uptr)addr, size, false);
79 }
80
__tsan_write_range(void * addr,uptr size)81 void __tsan_write_range(void *addr, uptr size) {
82 MemoryAccessRange(cur_thread(), CALLERPC, (uptr)addr, size, true);
83 }
84