On 1/16/20 8:19 AM, Richard Henderson wrote:
> On 1/16/20 6:26 AM, Alex Bennée wrote:
>>> + /*
>>> + * Perform the syscall. None of the vsyscalls should need restarting,
>>> + * and all faults should have been caught above.
>>> + */
>>> + ret = do_syscall(env, syscall, env->regs[R_EDI], env->regs[R_ESI],
>>> + env->regs[R_EDX], env->regs[10], env->regs[8],
>>> + env->regs[9], 0, 0);
>>
>> How come the register ABI to the syscall is different to the others. I
>> can see why syscall doesn't come from EAX but the others are a different
>> set to normal syscalls which might be why:
>
> Cut and paste error, I assume.
What register difference?
case EXCP_SYSCALL:
/* linux syscall from syscall instruction */
ret = do_syscall(env,
env->regs[R_EAX],
env->regs[R_EDI],
env->regs[R_ESI],
env->regs[R_EDX],
env->regs[10],
env->regs[8],
env->regs[9],
0, 0);
Looks the same to me...
r~
