diff options
author | Dmitry Vyukov <dvyukov@google.com> | 2015-06-24 13:04:12 +0000 |
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committer | Dmitry Vyukov <dvyukov@google.com> | 2015-06-24 13:04:12 +0000 |
commit | 26093f93160fa1c8b1d4c40e73859e9c55a95b15 (patch) | |
tree | c8ed738fae04972e0ff5881981f75fe72d5e85e0 /test | |
parent | 01d201223c563f29328eead3cb0200fdb36fccdf (diff) |
tsan: don't print external PCs in reports
They are meaningless.
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@240539 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test')
-rw-r--r-- | test/tsan/java.h | 2 | ||||
-rw-r--r-- | test/tsan/java_symbolization.cc | 44 |
2 files changed, 46 insertions, 0 deletions
diff --git a/test/tsan/java.h b/test/tsan/java.h index 6923e8618..565a7a7fd 100644 --- a/test/tsan/java.h +++ b/test/tsan/java.h @@ -22,3 +22,5 @@ int __tsan_java_release_store(jptr addr); void __tsan_read1_pc(jptr addr, jptr pc); void __tsan_write1_pc(jptr addr, jptr pc); } + +const jptr kExternalPCBit = 1ULL << 60; diff --git a/test/tsan/java_symbolization.cc b/test/tsan/java_symbolization.cc new file mode 100644 index 000000000..aa5ec0c37 --- /dev/null +++ b/test/tsan/java_symbolization.cc @@ -0,0 +1,44 @@ +// RUN: %clangxx_tsan -O1 %s -o %t && %deflake %run %t | FileCheck %s +#include "java.h" +#include <memory.h> + +extern "C" bool __tsan_symbolize_external(jptr pc, + char *func_buf, jptr func_siz, + char *file_buf, jptr file_siz, + int *line, int *col) { + if (pc == (1234 | kExternalPCBit)) { + memcpy(func_buf, "MyFunc", sizeof("MyFunc")); + memcpy(file_buf, "MyFile.java", sizeof("MyFile.java")); + *line = 1234; + *col = 56; + return true; + } + return false; +} + +void *Thread(void *p) { + barrier_wait(&barrier); + __tsan_write1_pc((jptr)p, 1234 | kExternalPCBit); + 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, 1234 | kExternalPCBit); + 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 MyFunc MyFile.java:1234:56 +// CHECK: DONE |