本文介绍了Syscall和陷阱之间的区别的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
我想知道MIPS syscall和trap指令之间是否有任何区别.我找不到与此相关的任何内容,因此不确定是否有区别.陷阱似乎只是有条件的系统调用,但进行一些澄清可能会有所帮助.
I am wondering if there is any difference between the MIPS syscall and trap instructions. I can't find anything involving this, so I am not sure if there is a difference. Traps seem to just be a conditional syscall, but some clarifying can be helpful.
推荐答案
SYSCALL
和TRAP
指令均触发异常,但是产生的异常类型不同(SystemCall与Trap),并且操作系统将可能会以不同的方式处理它们.
The SYSCALL
and TRAP
instructions both trigger exceptions, but the resulting exception is of a different type (SystemCall versus Trap), and the operating system will likely handle them differently.
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