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path: root/libsanitizer/tsan/tsan_interface.cpp
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Diffstat (limited to 'libsanitizer/tsan/tsan_interface.cpp')
-rw-r--r--libsanitizer/tsan/tsan_interface.cpp96
1 files changed, 24 insertions, 72 deletions
diff --git a/libsanitizer/tsan/tsan_interface.cpp b/libsanitizer/tsan/tsan_interface.cpp
index 9bd0e85..704c06a 100644
--- a/libsanitizer/tsan/tsan_interface.cpp
+++ b/libsanitizer/tsan/tsan_interface.cpp
@@ -30,99 +30,51 @@ void __tsan_flush_memory() {
}
void __tsan_read16(void *addr) {
- MemoryRead(cur_thread(), CALLERPC, (uptr)addr, kSizeLog8);
- MemoryRead(cur_thread(), CALLERPC, (uptr)addr + 8, kSizeLog8);
+ uptr pc = CALLERPC;
+ ThreadState *thr = cur_thread();
+ MemoryAccess(thr, pc, (uptr)addr, 8, kAccessRead);
+ MemoryAccess(thr, pc, (uptr)addr + 8, 8, kAccessRead);
}
void __tsan_write16(void *addr) {
- MemoryWrite(cur_thread(), CALLERPC, (uptr)addr, kSizeLog8);
- MemoryWrite(cur_thread(), CALLERPC, (uptr)addr + 8, kSizeLog8);
+ uptr pc = CALLERPC;
+ ThreadState *thr = cur_thread();
+ MemoryAccess(thr, pc, (uptr)addr, 8, kAccessWrite);
+ MemoryAccess(thr, pc, (uptr)addr + 8, 8, kAccessWrite);
}
void __tsan_read16_pc(void *addr, void *pc) {
- MemoryRead(cur_thread(), STRIP_PAC_PC(pc), (uptr)addr, kSizeLog8);
- MemoryRead(cur_thread(), STRIP_PAC_PC(pc), (uptr)addr + 8, kSizeLog8);
+ uptr pc_no_pac = STRIP_PAC_PC(pc);
+ ThreadState *thr = cur_thread();
+ MemoryAccess(thr, pc_no_pac, (uptr)addr, 8, kAccessRead);
+ MemoryAccess(thr, pc_no_pac, (uptr)addr + 8, 8, kAccessRead);
}
void __tsan_write16_pc(void *addr, void *pc) {
- MemoryWrite(cur_thread(), STRIP_PAC_PC(pc), (uptr)addr, kSizeLog8);
- MemoryWrite(cur_thread(), STRIP_PAC_PC(pc), (uptr)addr + 8, kSizeLog8);
+ uptr pc_no_pac = STRIP_PAC_PC(pc);
+ ThreadState *thr = cur_thread();
+ MemoryAccess(thr, pc_no_pac, (uptr)addr, 8, kAccessWrite);
+ MemoryAccess(thr, pc_no_pac, (uptr)addr + 8, 8, kAccessWrite);
}
// __tsan_unaligned_read/write calls are emitted by compiler.
-void __tsan_unaligned_read2(const void *addr) {
- UnalignedMemoryAccess(cur_thread(), CALLERPC, (uptr)addr, 2, false, false);
-}
-
-void __tsan_unaligned_read4(const void *addr) {
- UnalignedMemoryAccess(cur_thread(), CALLERPC, (uptr)addr, 4, false, false);
-}
-
-void __tsan_unaligned_read8(const void *addr) {
- UnalignedMemoryAccess(cur_thread(), CALLERPC, (uptr)addr, 8, false, false);
-}
-
void __tsan_unaligned_read16(const void *addr) {
- UnalignedMemoryAccess(cur_thread(), CALLERPC, (uptr)addr, 16, false, false);
-}
-
-void __tsan_unaligned_write2(void *addr) {
- UnalignedMemoryAccess(cur_thread(), CALLERPC, (uptr)addr, 2, true, false);
-}
-
-void __tsan_unaligned_write4(void *addr) {
- UnalignedMemoryAccess(cur_thread(), CALLERPC, (uptr)addr, 4, true, false);
-}
-
-void __tsan_unaligned_write8(void *addr) {
- UnalignedMemoryAccess(cur_thread(), CALLERPC, (uptr)addr, 8, true, false);
+ uptr pc = CALLERPC;
+ ThreadState *thr = cur_thread();
+ UnalignedMemoryAccess(thr, pc, (uptr)addr, 8, kAccessRead);
+ UnalignedMemoryAccess(thr, pc, (uptr)addr + 8, 8, kAccessRead);
}
void __tsan_unaligned_write16(void *addr) {
- UnalignedMemoryAccess(cur_thread(), CALLERPC, (uptr)addr, 16, true, false);
+ uptr pc = CALLERPC;
+ ThreadState *thr = cur_thread();
+ UnalignedMemoryAccess(thr, pc, (uptr)addr, 8, kAccessWrite);
+ UnalignedMemoryAccess(thr, pc, (uptr)addr + 8, 8, kAccessWrite);
}
-// __sanitizer_unaligned_load/store are for user instrumentation.
-
extern "C" {
SANITIZER_INTERFACE_ATTRIBUTE
-u16 __sanitizer_unaligned_load16(const uu16 *addr) {
- __tsan_unaligned_read2(addr);
- return *addr;
-}
-
-SANITIZER_INTERFACE_ATTRIBUTE
-u32 __sanitizer_unaligned_load32(const uu32 *addr) {
- __tsan_unaligned_read4(addr);
- return *addr;
-}
-
-SANITIZER_INTERFACE_ATTRIBUTE
-u64 __sanitizer_unaligned_load64(const uu64 *addr) {
- __tsan_unaligned_read8(addr);
- return *addr;
-}
-
-SANITIZER_INTERFACE_ATTRIBUTE
-void __sanitizer_unaligned_store16(uu16 *addr, u16 v) {
- __tsan_unaligned_write2(addr);
- *addr = v;
-}
-
-SANITIZER_INTERFACE_ATTRIBUTE
-void __sanitizer_unaligned_store32(uu32 *addr, u32 v) {
- __tsan_unaligned_write4(addr);
- *addr = v;
-}
-
-SANITIZER_INTERFACE_ATTRIBUTE
-void __sanitizer_unaligned_store64(uu64 *addr, u64 v) {
- __tsan_unaligned_write8(addr);
- *addr = v;
-}
-
-SANITIZER_INTERFACE_ATTRIBUTE
void *__tsan_get_current_fiber() {
return cur_thread();
}