summaryrefslogtreecommitdiff
path: root/lib/tsan/go
diff options
context:
space:
mode:
authorDmitry Vyukov <dvyukov@google.com>2014-03-06 13:17:28 +0000
committerDmitry Vyukov <dvyukov@google.com>2014-03-06 13:17:28 +0000
commit2f3c76a22c6efef0be1243792fd94ea7e8392243 (patch)
tree3df2c62922c13d4ff0a7aafd516462d59dc3997c /lib/tsan/go
parentb5079421e7a086b207df4d655e006145f5560ead (diff)
tsan: update interface for Go
this is required to fix: https://code.google.com/p/go/issues/detail?id=7460 git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@203116 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/tsan/go')
-rw-r--r--lib/tsan/go/test.c5
-rw-r--r--lib/tsan/go/tsan_go.cc8
2 files changed, 8 insertions, 5 deletions
diff --git a/lib/tsan/go/test.c b/lib/tsan/go/test.c
index 2e31773b8..94433f1b8 100644
--- a/lib/tsan/go/test.c
+++ b/lib/tsan/go/test.c
@@ -22,7 +22,7 @@ void __tsan_read(void *thr, void *addr, void *pc);
void __tsan_write(void *thr, void *addr, void *pc);
void __tsan_func_enter(void *thr, void *pc);
void __tsan_func_exit(void *thr);
-void __tsan_malloc(void *thr, void *p, unsigned long sz, void *pc);
+void __tsan_malloc(void *p, unsigned long sz);
void __tsan_acquire(void *thr, void *addr);
void __tsan_release(void *thr, void *addr);
void __tsan_release_merge(void *thr, void *addr);
@@ -37,10 +37,11 @@ void barfoo() {}
int main(void) {
void *thr0 = 0;
char *buf = (char*)((unsigned long)buf0 + (64<<10) - 1 & ~((64<<10) - 1));
+ __tsan_malloc(buf, 10);
__tsan_init(&thr0, symbolize_cb);
__tsan_map_shadow(buf, 4096);
__tsan_func_enter(thr0, (char*)&main + 1);
- __tsan_malloc(thr0, buf, 10, 0);
+ __tsan_malloc(buf, 10);
__tsan_release(thr0, buf);
__tsan_release_merge(thr0, buf);
void *thr1 = 0;
diff --git a/lib/tsan/go/tsan_go.cc b/lib/tsan/go/tsan_go.cc
index ae4266882..ff4e0ee0f 100644
--- a/lib/tsan/go/tsan_go.cc
+++ b/lib/tsan/go/tsan_go.cc
@@ -85,6 +85,7 @@ ReportStack *SymbolizeCode(uptr addr) {
extern "C" {
static ThreadState *main_thr;
+static bool inited;
static ThreadState *AllocGoroutine() {
ThreadState *thr = (ThreadState*)internal_alloc(MBlockThreadContex,
@@ -98,6 +99,7 @@ void __tsan_init(ThreadState **thrp, void (*cb)(SymbolizeContext *cb)) {
ThreadState *thr = AllocGoroutine();
main_thr = *thrp = thr;
Initialize(thr);
+ inited = true;
}
void __tsan_fini() {
@@ -151,10 +153,10 @@ void __tsan_func_exit(ThreadState *thr) {
FuncExit(thr);
}
-void __tsan_malloc(ThreadState *thr, void *p, uptr sz, void *pc) {
- if (thr == 0) // probably before __tsan_init()
+void __tsan_malloc(void *p, uptr sz) {
+ if (!inited)
return;
- MemoryResetRange(thr, (uptr)pc, (uptr)p, sz);
+ MemoryResetRange(0, 0, (uptr)p, sz);
}
void __tsan_go_start(ThreadState *parent, ThreadState **pthr, void *pc) {