bug125959-x86.c revision e739ac0589b4fb43561f801c4faba8c1b89f8680 
1
2#include <stdio.h>
3
4unsigned char buf[256];
5
6static int lookup ( int i )
7{
8  int block[3];
9  block[0] = (int)&buf[0];
10  block[1] = i;
11  block[2] = 0;
12  __asm__ __volatile__(
13     "movl %0,%%esi\n\t"
14     "movl 0(%%esi),%%ebx\n\t"
15     "movl 4(%%esi),%%eax\n\t"
16     "xlat\n\t"
17     "movl %%eax,8(%%esi)\n\t"
18     : : /*in*/"r"(block) : "esi", "ebx", "eax", "memory", "cc"
19  );
20  return block[2];
21}
22
23int main(void)
24{
25  int i, j;
26   for (i = 0; i < 256; i++)
27    buf[i] = (unsigned char) i;
28
29   j = 0;
30   for (i = 0; i < 130; i++) {
31     printf("%08x\n", lookup(j));
32     j += 0x01000001;
33   }
34
35   return 0;
36}
37