runtime/objc-config.h

   1 /*
   2  * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
   7  *
   8  * This file contains Original Code and/or Modifications of Original Code
   9  * as defined in and that are subject to the Apple Public Source License
  10  * Version 2.0 (the 'License'). You may not use this file except in
  11  * compliance with the License. Please obtain a copy of the License at
  12  * http://www.opensource.apple.com/apsl/ and read it before using this
  13  * file.
  14  *
  15  * The Original Code and all software distributed under the License are
  16  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  17  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  18  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  20  * Please see the License for the specific language governing rights and
  21  * limitations under the License.
  22  *
  23  * @APPLE_LICENSE_HEADER_END@
  24  */
  25 // Copyright 1988-1996 NeXT Software, Inc.
  26 // objc-config.h created by kthorup on Fri 24-Mar-1995
  27
  28 // OBJC_INSTRUMENTED controls whether message dispatching is dynamically
  29 // monitored.  Monitoring introduces substantial overhead.
  30 // NOTE: To define this condition, do so in the build command, NOT by
  31 // uncommenting the line here.  This is because objc-class.h heeds this
  32 // condition, but objc-class.h can not #import this file (objc-config.h)
  33 // because objc-class.h is public and objc-config.h is not.
  34 //#define OBJC_INSTRUMENTED
  35
  36 // Turn on support for class refs
  37 #define OBJC_CLASS_REFS
  38
  39     #define __S(x) x
  40
  41 // Get the nice macros for subroutine calling, etc.
  42 // Not available on all architectures.  Not needed
  43 // (by us) on some configurations.
  44 #if defined (__i386__) || defined (i386)
  45     #import <architecture/i386/asm_help.h>
  46 #elif defined (__ppc__) || defined(ppc)
  47     #import <architecture/ppc/asm_help.h>
  48 #else
  49     #error We need asm_help.h for this architecture
  50 #endif