王天泽的博客

-server -XX:+UnlockDiagnosticVMOptions // 由于下面的参数属于诊断参数，所以在使用之前需要打开UnlockDiagnosticVMOptions参数-XX:+TraceClassLoading -XX:+PrintAssembly // 为字节码与本地方法打印汇编代码print assembly code for bytecoded and native methods-XX:+LogCompilation -XX:+DebugNonSafepoints

#include <stdio.h>int sum(int x, int y){ int t = x + y; return t;}int main(void){ sum(1,2);}利用gcc -S test.c查看其汇编代码，我写了很多注释 .file "test1.c" .text .globl _sum .def _sum; .scl 2; .type 32; .endef_sum:LFB13: ；CFI全称是Call Frame Instrct