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Revert "tsan: print a meaningful frame for stack races" 

This reverts commit ccc83ac7c5.

Reverting this commit as it is dependent on additional commits breaking the
PPC BE bots.
This commit is contained in:
Amy Kwan 2021-10-01 16:32:32 -05:00
parent ab694cd845
commit 2df1019576
1 changed files with 2 additions and 10 deletions
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12
compiler-rt/lib/tsan/rtl/tsan_rtl_thread.cpp
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@ -138,8 +138,6 @@ void ThreadContext::OnCreated(void *arg) {
creation_stack_id = CurrentStackId(args->thr, args->pc);
}
extern "C" void __tsan_stack_initialization() {}
struct OnStartedArgs {
ThreadState *thr;
uptr stk_addr;
@ -175,15 +173,9 @@ void ThreadStart(ThreadState *thr, Tid tid, tid_t os_id,
#endif
#if !SANITIZER_GO
// Don't imitate stack/TLS writes for the main thread,
// because its initialization is synchronized with all
// subsequent threads anyway.
if (tid != kMainTid) {
if (stk_addr && stk_size) {
const uptr pc = StackTrace::GetNextInstructionPc(
reinterpret_cast<uptr>(__tsan_stack_initialization));
MemoryRangeImitateWrite(thr, pc, stk_addr, stk_size);
}
if (stk_addr && stk_size)
MemoryRangeImitateWrite(thr, /*pc=*/1, stk_addr, stk_size);
if (tls_addr && tls_size)
ImitateTlsWrite(thr, tls_addr, tls_size);