SYSCALL_RET
SYSCALL_RET(_regs) = _result; \
SYSCALL_RET(_regs) = -_result; \
SYSCALL_RET(_regs) = _result; \
#if !defined(SYSCALL_RET) && !defined(SYSCALL_RET_SET)
SYSCALL_RET(_regs) = (_val); \
#ifndef SYSCALL_RET