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 19using namespace __tsan; // NOLINT 20 21void __tsan_read1(void *addr) { 22 MemoryRead(cur_thread(), CALLERPC, (uptr)addr, kSizeLog1); 23} 24 25void __tsan_read2(void *addr) { 26 MemoryRead(cur_thread(), CALLERPC, (uptr)addr, kSizeLog2); 27} 28 29void __tsan_read4(void *addr) { 30 MemoryRead(cur_thread(), CALLERPC, (uptr)addr, kSizeLog4); 31} 32 33void __tsan_read8(void *addr) { 34 MemoryRead(cur_thread(), CALLERPC, (uptr)addr, kSizeLog8); 35} 36 37void __tsan_write1(void *addr) { 38 MemoryWrite(cur_thread(), CALLERPC, (uptr)addr, kSizeLog1); 39} 40 41void __tsan_write2(void *addr) { 42 MemoryWrite(cur_thread(), CALLERPC, (uptr)addr, kSizeLog2); 43} 44 45void __tsan_write4(void *addr) { 46 MemoryWrite(cur_thread(), CALLERPC, (uptr)addr, kSizeLog4); 47} 48 49void __tsan_write8(void *addr) { 50 MemoryWrite(cur_thread(), CALLERPC, (uptr)addr, kSizeLog8); 51} 52 53void __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 63void __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 71void __tsan_func_entry(void *pc) { 72 FuncEntry(cur_thread(), (uptr)pc); 73} 74 75void __tsan_func_exit() { 76 FuncExit(cur_thread()); 77} 78 79void __tsan_read_range(void *addr, uptr size) { 80 MemoryAccessRange(cur_thread(), CALLERPC, (uptr)addr, size, false); 81} 82 83void __tsan_write_range(void *addr, uptr size) { 84 MemoryAccessRange(cur_thread(), CALLERPC, (uptr)addr, size, true); 85} 86