1  // Copyright 2013 The Go Authors. All rights reserved.
       2  // Use of this source code is governed by a BSD-style
       3  // license that can be found in the LICENSE file.
       4  
       5  // +build gc
       6  
       7  #include "_cgo_export.h"
       8  #include <stdint.h>
       9  #include <stdio.h>
      10  #include <stdlib.h>
      11  
      12  /* Test calling panic from C.  This is what SWIG does.  */
      13  
      14  extern void crosscall2(void (*fn)(void *, int), void *, int);
      15  extern void _cgo_panic(void *, int);
      16  extern void _cgo_allocate(void *, int);
      17  
      18  void
      19  callPanic(void)
      20  {
      21  	struct { const char *p; } a;
      22  	a.p = "panic from C";
      23  	crosscall2(_cgo_panic, &a, sizeof a);
      24  	*(int*)1 = 1;
      25  }