tests/asm-c-connect-1.c

   1 #include <stdio.h>
   2
   3 #if (defined _WIN32 || defined __APPLE__) && (!defined __TINYC__ || defined __leading_underscore)
   4 # define _ "_"
   5 #else
   6 # define _
   7 #endif
   8
   9 #ifdef __clang__
  10 /* clang needs some help tp not throw functions away even at -O0 */
  11 #define __USED __attribute__((__used__))
  12 #else
  13 #define __USED
  14 #endif
  15
  16 static int __USED x1_c (void)
  17 {
  18     printf(" x1");
  19     return 1;
  20 }
  21
  22 asm(".text;"_"x1: call "_"x1_c; ret");
  23
  24 void callx4(void);
  25 void callx5_again(void);
  26
  27 void x6()
  28 {
  29     printf(" x6-1");
  30 }
  31
  32 int main(int argc, char *argv[])
  33 {
  34     printf("*");
  35     asm("call "_"x1");
  36     asm("call "_"x2");
  37     asm("call "_"x3");
  38     callx4();
  39     asm("call "_"x5");
  40     callx5_again();
  41     x6();
  42     printf(" *\n");
  43     return 0;
  44 }
  45
  46 static
  47 int __USED x2(void)
  48 {
  49     printf(" x2");
  50     return 2;
  51 }
  52
  53 extern int x3(void);
  54
  55 void x4(void)
  56 {
  57     printf(" x4");
  58 }
  59
  60 void x5(void);
  61 void x5(void)
  62 {
  63     printf(" x5");
  64 }