1 // RUN: %clangxx_tsan -O1 %s -o %t && %deflake %run %t | FileCheck %s 2 // This test fails on powerpc64 big endian. 3 // The Tsan report is returning wrong information about 4 // the location of the race. 5 // XFAIL: powerpc64-unknown-linux-gnu 6 #include "java.h" 7 8 void foobar() { 9 } 10 11 void barbaz() { 12 } 13 14 void *Thread(void *p) { 15 barrier_wait(&barrier); 16 __tsan_read1_pc((jptr)p, (jptr)foobar + kPCInc); 17 return 0; 18 } 19 20 int main() { 21 barrier_init(&barrier, 2); 22 int const kHeapSize = 1024 * 1024; 23 jptr jheap = (jptr)malloc(kHeapSize + 8) + 8; 24 __tsan_java_init(jheap, kHeapSize); 25 const int kBlockSize = 16; 26 __tsan_java_alloc(jheap, kBlockSize); 27 pthread_t th; 28 pthread_create(&th, 0, Thread, (void*)jheap); 29 __tsan_write1_pc((jptr)jheap, (jptr)barbaz + kPCInc); 30 barrier_wait(&barrier); 31 pthread_join(th, 0); 32 __tsan_java_free(jheap, kBlockSize); 33 fprintf(stderr, "DONE\n"); 34 return __tsan_java_fini(); 35 } 36 37 // CHECK: WARNING: ThreadSanitizer: data race 38 // CHECK: #0 foobar 39 // CHECK: #0 barbaz 40 // CHECK: DONE 41
