Displaying 5 results from an estimated 5 matches for "__dfsw_strlen".
2014 Oct 07
2
[LLVMdev] Debug Info and DFSan
...a is concerned)
> I compile this with '-O0 -g'. A 'break main'/'run'/'break strlen'/'cont'
> gives a relevant stack trace:
>
> #0 __strlen_sse2_pminub () at
> ../sysdeps/x86_64/multiarch/strlen-sse2-pminub.S:33
> #1 0x00005555555587ff in __dfsw_strlen (s=0x55555556fe17 "foo",
> s_label=<optimized out>, ret_label=0x7fffffffddee)
> at llvm/projects/compiler-rt/lib/dfsan/dfsan_custom.cc:203
> #2 0x000055555556bbdc in dfsw$strlen ()
> #3 0x000055555556bb51 in len (strlen_ptr=0x55555556bbc0 <dfsw$strlen>,
>...
2014 Oct 07
2
[LLVMdev] Debug Info and DFSan
Hi Peter,
After discovering several bugs in ArgumentPromotion and
DeadArgumentElimination where llvm::Functions were replaced with similar
functions (with the same name) to transform their type in some way, I
started looking at all calls to llvm::Function::takeName to see if there
were any other debug info quality bugs in similar callers.
One such caller is the DataFlowSanitizer, and I don't
2014 Oct 07
2
[LLVMdev] Debug Info and DFSan
...th '-O0 -g'. A 'break main'/'run'/'break strlen'/'cont'
>>> gives a relevant stack trace:
>>>
>>> #0 __strlen_sse2_pminub () at
>>> ../sysdeps/x86_64/multiarch/strlen-sse2-pminub.S:33
>>> #1 0x00005555555587ff in __dfsw_strlen (s=0x55555556fe17 "foo",
>>> s_label=<optimized out>, ret_label=0x7fffffffddee)
>>> at llvm/projects/compiler-rt/lib/dfsan/dfsan_custom.cc:203
>>> #2 0x000055555556bbdc in dfsw$strlen ()
>>> #3 0x000055555556bb51 in len (strlen_ptr=0x5555555...
2014 Oct 07
2
[LLVMdev] Debug Info and DFSan
...9;/'break
> strlen'/'cont'
> > >>> gives a relevant stack trace:
> > >>>
> > >>> #0 __strlen_sse2_pminub () at
> > >>> ../sysdeps/x86_64/multiarch/strlen-sse2-pminub.S:33
> > >>> #1 0x00005555555587ff in __dfsw_strlen (s=0x55555556fe17 "foo",
> > >>> s_label=<optimized out>, ret_label=0x7fffffffddee)
> > >>> at llvm/projects/compiler-rt/lib/dfsan/dfsan_custom.cc:203
> > >>> #2 0x000055555556bbdc in dfsw$strlen ()
> > >>> #3 0x00005...
2014 Oct 07
2
[LLVMdev] Debug Info and DFSan
...> > > >>> gives a relevant stack trace:
> > > > >>>
> > > > >>> #0 __strlen_sse2_pminub () at
> > > > >>> ../sysdeps/x86_64/multiarch/strlen-sse2-pminub.S:33
> > > > >>> #1 0x00005555555587ff in __dfsw_strlen (s=0x55555556fe17 "foo",
> > > > >>> s_label=<optimized out>, ret_label=0x7fffffffddee)
> > > > >>> at llvm/projects/compiler-rt/lib/dfsan/dfsan_custom.cc:203
> > > > >>> #2 0x000055555556bbdc in dfsw$strlen ()
>...