EXTERNAL_HEADERS/architecture/ppc/cframe.h

   1 /*
   2  * Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved.
   3  *
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   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.  The rights granted to you under the
  10  * License may not be used to create, or enable the creation or
  11  * redistribution of, unlawful or unlicensed copies of an Apple operating
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  13  * violation of, any terms of an Apple operating system software license
  14  * agreement.
  15  *
  16  * Please obtain a copy of the License at
  17  * http://www.opensource.apple.com/apsl/ and read it before using this
  18  * file.
  19  *
  20  * The Original Code and all software distributed under the License are
  21  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
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  29  */
  30 /* Copyright (c) 1991 NeXT Software, Inc.  All rights reserved.
  31  *
  32  *      File:   architecture/ppc/cframe.h
  33  *      Author: Mike DeMoney, NeXT Software, Inc.
  34  *
  35  *      This include file defines C calling sequence defines
  36  *      for ppc port.
  37  */
  38
  39 #ifndef _ARCH_PPC_CFRAME_H_
  40 #define _ARCH_PPC_CFRAME_H_
  41
  42 #if defined (__ppc64__)
  43 #define C_ARGSAVE_LEN   64      /* at least 64 bytes of arg save */
  44 #define C_STACK_ALIGN   32      /* stack must be 32 byte aligned */
  45 #define C_RED_ZONE      320     /* 320 bytes to skip over saved registers */
  46 #else
  47 #define C_ARGSAVE_LEN   32      /* at least 32 bytes of arg save */
  48 #define C_STACK_ALIGN   16      /* stack must be 16 byte aligned */
  49 #define C_RED_ZONE      224     /* 224 bytes to skip over saved registers */
  50 #endif
  51
  52 #endif  /* _ARCH_PPC_CFRAME_H_ */