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tsan: use DCHECK_GT/LT instead of plain DCHECK (better diagnostics) 

llvm-svn: 157567
This commit is contained in:
Dmitry Vyukov 2012-05-28 07:45:35 +00:00
parent 2d4e3c140f
commit 3de9ca068f
1 changed files with 4 additions and 4 deletions
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8
compiler-rt/lib/tsan/rtl/tsan_rtl.cc
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@ -443,8 +443,8 @@ void FuncEntry(ThreadState *thr, uptr pc) {
// Shadow stack maintenance can be replaced with
// stack unwinding during trace switch (which presumably must be faster).
DCHECK(thr->shadow_stack_pos >= &thr->shadow_stack[0]);
DCHECK(thr->shadow_stack_pos < &thr->shadow_stack[kShadowStackSize]);
DCHECK_GE(thr->shadow_stack_pos, &thr->shadow_stack[0]);
DCHECK_LT(thr->shadow_stack_pos, &thr->shadow_stack[kShadowStackSize]);
thr->shadow_stack_pos[0] = pc;
thr->shadow_stack_pos++;
}
@ -456,8 +456,8 @@ void FuncExit(ThreadState *thr) {
thr->fast_state.IncrementEpoch();
TraceAddEvent(thr, thr->fast_state.epoch(), EventTypeFuncExit, 0);
DCHECK(thr->shadow_stack_pos > &thr->shadow_stack[0]);
DCHECK(thr->shadow_stack_pos < &thr->shadow_stack[kShadowStackSize]);
DCHECK_GT(thr->shadow_stack_pos, &thr->shadow_stack[0]);
DCHECK_LT(thr->shadow_stack_pos, &thr->shadow_stack[kShadowStackSize]);
thr->shadow_stack_pos--;
}