gcc/testsuite/gcc.dg/asm-names.c

   1 /* The name specified by an asm("...") suffix on a declaration is not
   2    to have an underscore prefixed, even if normal symbols are.
   3    Problem reported by Krister Walfridsson <cato@df.lth.se>.  */
   4
   5 /* { dg-do link } */
   6 /* { dg-options "-fleading-underscore" } */
   7
   8 extern void frobnicate (void) asm ("___frob14");  /* three underscores */
   9
  10 void __frob14 (void) {} /* two underscores */
  11
  12 int
  13 main (void)
  14 {
  15   frobnicate ();
  16   return 0;
  17 }
  18
  19 /* In case built where the runtime expects no leading underscore on
  20    main(). */
  21 extern int xmain (void) asm ("main");
  22
  23 int xmain (void) { return main(); }
  24
  25 /* In case built where the runtime calls __main.  */
  26 extern int ymain (void) asm ("___main");
  27 int ymain (void) { return main(); }