FunctionCall

#include <stdio.h>

int z = 0; int x = 8; int y = 8;

int main() { printf("x:%d,y:%d\n",x,y); /* simu z = add(x,y); / asm volatile( / simu call / "pushl %1\n\t" "pushl %2\n\t" "pushl $0\n\t" / simu add functon / "pushl %%ebp\n\t" "movl %%esp,%%ebp\n\t" "movl $0,%%eax\n\t" "addl 12(%%ebp),%%eax\n\t" "addl 8(%%ebp),%%eax\n\t" "movl %%ebp,%%esp\n\t" "popl %%ebp\n\t" / add functon end */ "movl %%eax,%0\n\t" :"=m"(z) : "m" (x),"m" (y) ); printf("z:%d\n",z); return 0; }