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150
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1 // RUN: %clangxx_tsan -O1 %s -o %t && %deflake %run %t | FileCheck %s
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2 // This test fails on powerpc64 big endian.
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3 // The Tsan report is returning wrong information about
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4 // the location of the race.
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252
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5 // XFAIL: target=powerpc64-unknown-linux-gnu{{.*}}
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150
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6 #include "java.h"
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7
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8 void foobar() {
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9 }
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10
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11 void barbaz() {
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12 }
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13
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14 void *Thread(void *p) {
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15 barrier_wait(&barrier);
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16 __tsan_read1_pc((jptr)p, (jptr)foobar + kPCInc);
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17 return 0;
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18 }
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19
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20 int main() {
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21 barrier_init(&barrier, 2);
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22 int const kHeapSize = 1024 * 1024;
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23 jptr jheap = (jptr)malloc(kHeapSize + 8) + 8;
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24 __tsan_java_init(jheap, kHeapSize);
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25 const int kBlockSize = 16;
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26 __tsan_java_alloc(jheap, kBlockSize);
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27 pthread_t th;
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28 pthread_create(&th, 0, Thread, (void*)jheap);
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29 __tsan_write1_pc((jptr)jheap, (jptr)barbaz + kPCInc);
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30 barrier_wait(&barrier);
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31 pthread_join(th, 0);
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32 __tsan_java_free(jheap, kBlockSize);
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33 fprintf(stderr, "DONE\n");
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34 return __tsan_java_fini();
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35 }
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36
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37 // CHECK: WARNING: ThreadSanitizer: data race
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38 // CHECK: #0 foobar
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39 // CHECK: #0 barbaz
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40 // CHECK: DONE
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