tests/tests2/98_al_ax_extend.c

   1 #include <stdio.h>
   2 #include <stdlib.h>
   3 asm (
   4     ".text;"
   5     ".globl _us;.globl _ss;.globl _uc;.globl _sc;"
   6     "_us:;_ss:;_uc:;_sc:;"
   7     "movl $0x1234ABCD, %eax;"
   8         "ret;"
   9 );
  10
  11 #ifndef __leading_underscore
  12 #define us _us
  13 #define ss _ss
  14 #define uc _uc
  15 #define sc _sc
  16 #endif
  17
  18 int main()
  19 {
  20     unsigned short us(void);
  21     short ss(void);
  22     unsigned char uc(void);
  23     signed char sc(void);
  24
  25     unsigned short (*fpus)(void) = us;
  26     short (*fpss)(void) = ss;
  27     unsigned char (*fpuc)(void) = uc;
  28     signed char (*fpsc)(void) = sc;
  29
  30     printf("%08X %08X\n", us() + 1, fpus() + 1);
  31     printf("%08X %08X\n", ss() + 1, fpss() + 1);
  32     printf("%08X %08X\n", uc() + 1, fpuc() + 1);
  33     printf("%08X %08X\n", sc() + 1, fpsc() + 1);
  34     printf("\n");
  35     printf("%08X %08X\n", fpus() + 1, us() + 1);
  36     printf("%08X %08X\n", fpss() + 1, ss() + 1);
  37     printf("%08X %08X\n", fpuc() + 1, uc() + 1);
  38     printf("%08X %08X\n", fpsc() + 1, sc() + 1);
  39
  40     return 0;
  41 }