https://111qqz.com/en/tags/gcc/Recent content in Gcc on 111qqz's blogHugo -- gohugo.ioen© 2015-2026 111qqzThu, 31 Jan 2019 12:12:22 +0000https://111qqz.com/en/post/%E5%85%AC%E5%BC%80%E8%AF%BE/6.828/2019-01-31-x86-calling-conventions/Thu, 31 Jan 2019 12:12:22 +0000https://111qqz.com/en/post/%E5%85%AC%E5%BC%80%E8%AF%BE/6.828/2019-01-31-x86-calling-conventions/<p>x86的调用约定主要说的是这几件事:</p> <blockquote><blockquote></blockquote><ul> <li>The order in which atomic (scalar) parameters, or individual parts of a complex parameter, are allocated</li> <li>How parameters are passed (pushed on the stack, placed in registers, or a mix of both)</li> <li>Which registers the called function must preserve for the caller (also known as: callee-saved registers or non-volatile registers)</li> <li>How the task of preparing the stack for, and restoring after, a function call is divided between the caller and the callee</li> </ul> </blockquote><p>调用约定实际上并不唯一</p>