WebDec 30, 2024 · INT 0X80和SYSCALL之间的区别. 据说SYSCALL指令是INT 0X80的64位版本,但是仍然可以在64位代码中使用后者(尽管strace由于我猜是64位ABI而将其解码错误),通常会通过“旧版条目”。. 但是有些我不太了解,为什么SYSCALL指令更快?. Web2 days ago · 知乎,中文互联网高质量的问答社区和创作者聚集的原创内容平台,于 2011 年 1 月正式上线,以「让人们更好的分享知识、经验和见解,找到自己的解答」为品牌使命。知乎凭借认真、专业、友善的社区氛围、独特的产品机制以及结构化和易获得的优质内容,聚集了中文互联网科技、商业、影视 ...
x86 Assembly/Interfacing with Linux - Wikibooks
Websyscall () is a small library function that invokes the system call whose assembly language interface has the specified number with the specified arguments. Employing syscall () is useful, for example, when invoking a system call that has no wrapper function in the C library. syscall () saves CPU registers before making the system call ... WebJan 20, 2024 · 其中Syscall和RawSyscall区别在于Syscall开始和结束,分别调用了 runtime 中的进入系统调用和退出系统调用的函数,说明Syscall函数受调度器控制,不会造成系统堵塞,而RawSyscall函数没有调用runtime,因此可能会造成堵塞,一般我们使用Syscall就可以了,RawSyscall最好用在不会堵塞的情况下。 ethan allen country french side table
epoll源码剖析_卖寂寞的小男孩的博客-CSDN博客
WebWe would like to show you a description here but the site won’t allow us. WebApr 23, 2024 · On Linux, there are several ways to make a system call. This page will focus on making system calls by calling a software interrupt using int $0x80 or syscall. This is … WebMar 11, 2007 · You could use syscall or sysenter instead of int 80 (as Combuster described). The point is that you need some way to trigger a kernel function (i.e., jumping … ethan allen country table with buffet