runtime/objc-config.h

   1 /*
   2  * Copyright (c) 1999-2002, 2005-2006 Apple Inc.  All Rights Reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License. Please obtain a copy of the License at
  10  * http://www.opensource.apple.com/apsl/ and read it before using this
  11  * file.
  12  *
  13  * The Original Code and all software distributed under the License are
  14  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  15  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  16  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  18  * Please see the License for the specific language governing rights and
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  20  *
  21  * @APPLE_LICENSE_HEADER_END@
  22  */
  23 // Copyright 1988-1996 NeXT Software, Inc.
  24 // objc-config.h created by kthorup on Fri 24-Mar-1995
  25
  26 // OBJC_INSTRUMENTED controls whether message dispatching is dynamically
  27 // monitored.  Monitoring introduces substantial overhead.
  28 // NOTE: To define this condition, do so in the build command, NOT by
  29 // uncommenting the line here.  This is because objc-class.h heeds this
  30 // condition, but objc-class.h can not #import this file (objc-config.h)
  31 // because objc-class.h is public and objc-config.h is not.
  32 //#define OBJC_INSTRUMENTED
  33
  34 // Get the nice macros for subroutine calling, etc.
  35 // Not available on all architectures.  Not needed
  36 // (by us) on some configurations.
  37 #if defined (__i386__) || defined (i386)
  38     #import <architecture/i386/asm_help.h>
  39 #elif defined (__ppc__) || defined(ppc)
  40     #import <architecture/ppc/asm_help.h>
  41 #elif defined (__ppc64__)
  42     // no asm_help for ppc64
  43 #elif defined (__x86_64__)
  44     // no asm_help for x86-64
  45 #else
  46     #error We need asm_help.h for this architecture
  47 #endif