Cool, we don't have this in LLVM-ASan, but we have plans to instrument
inline asm soon (not just constraints).
asm-struct-1.c test looks like a false positive though - the code does
not access any invalid memory, it only does a harmless pointer cast.
On Wed, May 28, 2014 at 10:36 PM, Konstantin Serebryany
<konstantin.s.serebry...@gmail.com> wrote:
> On Wed, May 28, 2014 at 5:33 PM, Marat Zakirov <m.zaki...@samsung.com> wrote:
>> Hi all,
>>
>> Here's a patch for optional Asan instrumentation of inline assembly.
>>
>> This version scans gimple for GIMPLE_ASMs and performs usual instrumentation
>> of arguments with memory constraints ("m", "o", etc.) with fixed size.
>>
>> Instrumentation is turned off by default.
>>
>> This was successfully bootstrapped and regtested on x64. I have also
>> instrumented and ran ffmpeg regression testsuite (it seems to have quite
>> some inline asm).
>>
>> --Marat
