tests/tests2/120_alias.c

   1 /* Check semantics of various constructs to generate renamed symbols.  */
   2
   3 extern int printf (const char *, ...);
   4 void target(void);
   5 void target(void) {
   6     printf("in target function\n");
   7 }
   8 void alias_for_target(void) __attribute__((alias("target")));
   9
  10 int g_int = 34;
  11 int alias_int __attribute__((alias("g_int")));
  12
  13 #ifdef __leading_underscore
  14 # define _ "_"
  15 #else
  16 # define _
  17 #endif
  18
  19 void asm_for_target(void) __asm__(_"target");
  20 int asm_int __asm__(_"g_int");
  21
  22 /* This is not supposed to compile, alias targets must be defined in the
  23    same unit.  In TCC they even must be defined before the reference
  24 void alias_for_undef(void) __attribute__((alias("undefined")));
  25 */
  26
  27 extern void inunit2(void);
  28
  29 int main(void)
  30 {
  31   target();
  32   alias_for_target();
  33   asm_for_target();
  34   printf("g_int = %d\nalias_int = %d\nasm_int = %d\n", g_int, alias_int, asm_int);
  35   inunit2();
  36   return 0;
  37 }