/* Return -1 on error or 1 on success (never 0!). */
static int
get_syscall_args(struct tcb *tcp)
{
static const int syscall_regs[MAX_ARGS] = {
4 * (REG_REG0+4),
4 * (REG_REG0+5),
4 * (REG_REG0+6),
4 * (REG_REG0+7),
4 * (REG_REG0 ),
4 * (REG_REG0+1)
};
unsigned int i;
for (i = 0; i < tcp->s_ent->nargs; ++i)
if (upeek(tcp, syscall_regs[i], &tcp->u_arg[i]) < 0)
return -1;
return 1;
}