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      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 
     21 void __tsan_read1(void *addr) {
     22   MemoryRead(cur_thread(), CALLERPC, (uptr)addr, kSizeLog1);
     23 }
     24 
     25 void __tsan_read2(void *addr) {
     26   MemoryRead(cur_thread(), CALLERPC, (uptr)addr, kSizeLog2);
     27 }
     28 
     29 void __tsan_read4(void *addr) {
     30   MemoryRead(cur_thread(), CALLERPC, (uptr)addr, kSizeLog4);
     31 }
     32 
     33 void __tsan_read8(void *addr) {
     34   MemoryRead(cur_thread(), CALLERPC, (uptr)addr, kSizeLog8);
     35 }
     36 
     37 void __tsan_write1(void *addr) {
     38   MemoryWrite(cur_thread(), CALLERPC, (uptr)addr, kSizeLog1);
     39 }
     40 
     41 void __tsan_write2(void *addr) {
     42   MemoryWrite(cur_thread(), CALLERPC, (uptr)addr, kSizeLog2);
     43 }
     44 
     45 void __tsan_write4(void *addr) {
     46   MemoryWrite(cur_thread(), CALLERPC, (uptr)addr, kSizeLog4);
     47 }
     48 
     49 void __tsan_write8(void *addr) {
     50   MemoryWrite(cur_thread(), CALLERPC, (uptr)addr, kSizeLog8);
     51 }
     52 
     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     MemoryWrite(cur_thread(), CALLERPC, (uptr)vptr_p, kSizeLog8);
     57 }
     58 
     59 void __tsan_func_entry(void *pc) {
     60   FuncEntry(cur_thread(), (uptr)pc);
     61 }
     62 
     63 void __tsan_func_exit() {
     64   FuncExit(cur_thread());
     65 }
     66 
     67 void __tsan_read_range(void *addr, uptr size) {
     68   MemoryAccessRange(cur_thread(), CALLERPC, (uptr)addr, size, false);
     69 }
     70 
     71 void __tsan_write_range(void *addr, uptr size) {
     72   MemoryAccessRange(cur_thread(), CALLERPC, (uptr)addr, size, true);
     73 }
     74