This is required for Java support, as real PCs don't work for Java.
llvm-svn: 236484
MemoryWrite(cur_thread(), CALLERPC, (uptr)addr + 8, kSizeLog8);
}
+void __tsan_read16_pc(void *addr, void *pc) {
+ MemoryRead(cur_thread(), (uptr)pc, (uptr)addr, kSizeLog8);
+ MemoryRead(cur_thread(), (uptr)pc, (uptr)addr + 8, kSizeLog8);
+}
+
+void __tsan_write16_pc(void *addr, void *pc) {
+ MemoryWrite(cur_thread(), (uptr)pc, (uptr)addr, kSizeLog8);
+ MemoryWrite(cur_thread(), (uptr)pc, (uptr)addr + 8, kSizeLog8);
+}
+
// __tsan_unaligned_read/write calls are emitted by compiler.
void __tsan_unaligned_read2(const void *addr) {
SANITIZER_INTERFACE_ATTRIBUTE void __tsan_unaligned_write8(void *addr);
SANITIZER_INTERFACE_ATTRIBUTE void __tsan_unaligned_write16(void *addr);
+SANITIZER_INTERFACE_ATTRIBUTE void __tsan_read1_pc(void *addr, void *pc);
+SANITIZER_INTERFACE_ATTRIBUTE void __tsan_read2_pc(void *addr, void *pc);
+SANITIZER_INTERFACE_ATTRIBUTE void __tsan_read4_pc(void *addr, void *pc);
+SANITIZER_INTERFACE_ATTRIBUTE void __tsan_read8_pc(void *addr, void *pc);
+SANITIZER_INTERFACE_ATTRIBUTE void __tsan_read16_pc(void *addr, void *pc);
+
+SANITIZER_INTERFACE_ATTRIBUTE void __tsan_write1_pc(void *addr, void *pc);
+SANITIZER_INTERFACE_ATTRIBUTE void __tsan_write2_pc(void *addr, void *pc);
+SANITIZER_INTERFACE_ATTRIBUTE void __tsan_write4_pc(void *addr, void *pc);
+SANITIZER_INTERFACE_ATTRIBUTE void __tsan_write8_pc(void *addr, void *pc);
+SANITIZER_INTERFACE_ATTRIBUTE void __tsan_write16_pc(void *addr, void *pc);
+
SANITIZER_INTERFACE_ATTRIBUTE void __tsan_vptr_read(void **vptr_p);
SANITIZER_INTERFACE_ATTRIBUTE
void __tsan_vptr_update(void **vptr_p, void *new_val);
MemoryWrite(cur_thread(), CALLERPC, (uptr)addr, kSizeLog8);
}
+void __tsan_read1_pc(void *addr, void *pc) {
+ MemoryRead(cur_thread(), (uptr)pc, (uptr)addr, kSizeLog1);
+}
+
+void __tsan_read2_pc(void *addr, void *pc) {
+ MemoryRead(cur_thread(), (uptr)pc, (uptr)addr, kSizeLog2);
+}
+
+void __tsan_read4_pc(void *addr, void *pc) {
+ MemoryRead(cur_thread(), (uptr)pc, (uptr)addr, kSizeLog4);
+}
+
+void __tsan_read8_pc(void *addr, void *pc) {
+ MemoryRead(cur_thread(), (uptr)pc, (uptr)addr, kSizeLog8);
+}
+
+void __tsan_write1_pc(void *addr, void *pc) {
+ MemoryWrite(cur_thread(), (uptr)pc, (uptr)addr, kSizeLog1);
+}
+
+void __tsan_write2_pc(void *addr, void *pc) {
+ MemoryWrite(cur_thread(), (uptr)pc, (uptr)addr, kSizeLog2);
+}
+
+void __tsan_write4_pc(void *addr, void *pc) {
+ MemoryWrite(cur_thread(), (uptr)pc, (uptr)addr, kSizeLog4);
+}
+
+void __tsan_write8_pc(void *addr, void *pc) {
+ MemoryWrite(cur_thread(), (uptr)pc, (uptr)addr, kSizeLog8);
+}
+
void __tsan_vptr_update(void **vptr_p, void *new_val) {
CHECK_EQ(sizeof(vptr_p), 8);
if (*vptr_p != new_val) {
int __tsan_java_acquire(jptr addr);
int __tsan_java_release(jptr addr);
int __tsan_java_release_store(jptr addr);
+
+void __tsan_read1_pc(jptr addr, jptr pc);
+void __tsan_write1_pc(jptr addr, jptr pc);
}
--- /dev/null
+// RUN: %clangxx_tsan -O1 %s -o %t && %deflake %run %t | FileCheck %s
+#include "java.h"
+
+void foobar() {
+}
+
+void barbaz() {
+}
+
+void *Thread(void *p) {
+ barrier_wait(&barrier);
+ __tsan_read1_pc((jptr)p, (jptr)foobar + 1);
+ return 0;
+}
+
+int main() {
+ barrier_init(&barrier, 2);
+ int const kHeapSize = 1024 * 1024;
+ jptr jheap = (jptr)malloc(kHeapSize + 8) + 8;
+ __tsan_java_init(jheap, kHeapSize);
+ const int kBlockSize = 16;
+ __tsan_java_alloc(jheap, kBlockSize);
+ pthread_t th;
+ pthread_create(&th, 0, Thread, (void*)jheap);
+ __tsan_write1_pc((jptr)jheap, (jptr)barbaz + 1);
+ barrier_wait(&barrier);
+ pthread_join(th, 0);
+ __tsan_java_free(jheap, kBlockSize);
+ fprintf(stderr, "DONE\n");
+ return __tsan_java_fini();
+}
+
+// CHECK: WARNING: ThreadSanitizer: data race
+// CHECK: #0 foobar
+// CHECK: #0 barbaz
+// CHECK: DONE