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Re: [libitm] Port to ARM

On 11/23/2011 04:00 PM, Joseph S. Myers wrote:
> On Wed, 23 Nov 2011, Richard Henderson wrote:
> 
>> +  __asm volatile ("swi %1"
>> +		  : "+r"(sc_0)
>> +		  : "i"(SYS_futex), "r"(sc_1), "r"(sc_2), "r"(sc_3)
>> +		  : "memory");
> 
> That looks wrong.  Passing the syscall number to swi is the old-ABI 
> approach; the EABI uses syscall number in r7. 

Interesting to know.

I took as examples both glibc ports sysdeps.h and CLEAR_INSN_CACHE from linux-gas.h.  Which... I see is out of date wrt libgcc lib1funcs.S clear_cache.

Perhaps I'm better off with the syscall function as libgomp uses?


r~
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