libsanitizer/tsan/tsan_interface_inl.h

   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
  19 void __tsan_read1(void *addr) {
  20   MemoryAccess(cur_thread(), CALLERPC, (uptr)addr, 0, 0);
  21 }
  22
  23 void __tsan_read2(void *addr) {
  24   MemoryAccess(cur_thread(), CALLERPC, (uptr)addr, 1, 0);
  25 }
  26
  27 void __tsan_read4(void *addr) {
  28   MemoryAccess(cur_thread(), CALLERPC, (uptr)addr, 2, 0);
  29 }
  30
  31 void __tsan_read8(void *addr) {
  32   MemoryAccess(cur_thread(), CALLERPC, (uptr)addr, 3, 0);
  33 }
  34
  35 void __tsan_write1(void *addr) {
  36   MemoryAccess(cur_thread(), CALLERPC, (uptr)addr, 0, 1);
  37 }
  38
  39 void __tsan_write2(void *addr) {
  40   MemoryAccess(cur_thread(), CALLERPC, (uptr)addr, 1, 1);
  41 }
  42
  43 void __tsan_write4(void *addr) {
  44   MemoryAccess(cur_thread(), CALLERPC, (uptr)addr, 2, 1);
  45 }
  46
  47 void __tsan_write8(void *addr) {
  48   MemoryAccess(cur_thread(), CALLERPC, (uptr)addr, 3, 1);
  49 }
  50
  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     MemoryAccess(cur_thread(), CALLERPC, (uptr)vptr_p, 3, 1);
  55 }
  56
  57 void __tsan_func_entry(void *pc) {
  58   FuncEntry(cur_thread(), (uptr)pc);
  59 }
  60
  61 void __tsan_func_exit() {
  62   FuncExit(cur_thread());
  63 }
  64
  65 void __tsan_read_range(void *addr, uptr size) {
  66   MemoryAccessRange(cur_thread(), CALLERPC, (uptr)addr, size, false);
  67 }
  68
  69 void __tsan_write_range(void *addr, uptr size) {
  70   MemoryAccessRange(cur_thread(), CALLERPC, (uptr)addr, size, true);
  71 }