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[TSan] Extend test for reporting globals with races on them 

llvm-svn: 192782
This commit is contained in:
Alexey Samsonov 2013-10-16 09:56:17 +00:00
parent 6f943e5fb8
commit 1fe87e031c
2 changed files with 21 additions and 4 deletions
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23
compiler-rt/lib/tsan/lit_tests/global_race.cc
View File

@ -4,22 +4,39 @@
#include <stddef.h>
int GlobalData[10];
int y;
namespace XXX {
struct YYY {
static int ZZZ[10];
};
int YYY::ZZZ[10];
}
void *Thread(void *a) {
GlobalData[2] = 42;
y = 1;
XXX::YYY::ZZZ[0] = 1;
return 0;
}
int main() {
fprintf(stderr, "addr=%p\n", GlobalData);
fprintf(stderr, "addr2=%p\n", &y);
fprintf(stderr, "addr3=%p\n", XXX::YYY::ZZZ);
pthread_t t;
pthread_create(&t, 0, Thread, 0);
GlobalData[2] = 43;
y = 0;
XXX::YYY::ZZZ[0] = 0;
pthread_join(t, 0);
}
// CHECK: addr=[[ADDR:0x[0-9,a-f]+]]
// CHECK: addr2=[[ADDR2:0x[0-9,a-f]+]]
// CHECK: addr3=[[ADDR3:0x[0-9,a-f]+]]
// CHECK: WARNING: ThreadSanitizer: data race
// Requires llvm-symbolizer, so disabled for now.
// CHECK0: Location is global 'GlobalData' of size 40 at [[ADDR]]
// CHECK0: (global_race.cc.exe+0x[0-9,a-f]+)
// CHECK: Location is global 'GlobalData' of size 40 at [[ADDR]] ({{.*}}+0x{{[0-9,a-f]+}})
// CHECK: WARNING: ThreadSanitizer: data race
// CHECK: Location is global 'y' of size 4 at [[ADDR2]] ({{.*}}+0x{{[0-9,a-f]+}})
// CHECK: WARNING: ThreadSanitizer: data race
// CHECK: Location is global 'XXX::YYY::ZZZ' of size 40 at [[ADDR3]] ({{.*}}+0x{{[0-9,a-f]+}})

2
compiler-rt/lib/tsan/rtl/tsan_report.cc
View File

@ -134,7 +134,7 @@ static void PrintLocation(const ReportLocation *loc) {
bool print_stack = false;
Printf("%s", d.Location());
if (loc->type == ReportLocationGlobal) {
Printf(" Location is global '%s' of size %zu at %zx (%s+%p)\n\n",
Printf(" Location is global '%s' of size %zu at %p (%s+%p)\n\n",
loc->name, loc->size, loc->addr, loc->module, loc->offset);
} else if (loc->type == ReportLocationHeap) {
char thrbuf[kThreadBufSize];