tests/asm-c-connect-2.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 int x3(void)
  17 {
  18     printf(" x3");
  19     return 3;
  20 }
  21
  22 /* That callx4 is defined globally (as if ".globl callx4")
  23    is a TCC extension.  GCC doesn't behave like this.  */
  24 void callx4(void);
  25 #if __i386__
  26 __asm__(_"callx4: call "_"x4; ret;"
  27 #else
  28 /* Keep stack aligned */
  29 __asm__(_"callx4: sub $8,%rsp; call "_"x4; add $8,%rsp; ret;"
  30 #endif
  31 #ifndef __TINYC__
  32     " .global "_"callx4"
  33 #endif
  34 );
  35
  36 extern void x5(void);
  37
  38 void callx5_again(void);
  39 void callx5_again(void)
  40 {
  41     x5();
  42     asm("call "_"x6");
  43 }
  44
  45 static void __USED x6()
  46 {
  47     printf(" x6-2");
  48 }