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 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 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 71 void __tsan_func_entry(void *pc) { 72 FuncEntry(cur_thread(), (uptr)pc); 73 } 74 75 void __tsan_func_exit() { 76 FuncExit(cur_thread()); 77 } 78 79 void __tsan_read_range(void *addr, uptr size) { 80 MemoryAccessRange(cur_thread(), CALLERPC, (uptr)addr, size, false); 81 } 82 83 void __tsan_write_range(void *addr, uptr size) { 84 MemoryAccessRange(cur_thread(), CALLERPC, (uptr)addr, size, true); 85 } 86
