sim/ppc/sim-endian-n.h

   1 /*  This file is part of the program psim.
   2
   3     Copyright (C) 1994-1995, Andrew Cagney <cagney@highland.com.au>
   4
   5     This program is free software; you can redistribute it and/or modify
   6     it under the terms of the GNU General Public License as published by
   7     the Free Software Foundation; either version 2 of the License, or
   8     (at your option) any later version.
   9
  10     This program is distributed in the hope that it will be useful,
  11     but WITHOUT ANY WARRANTY; without even the implied warranty of
  12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13     GNU General Public License for more details.
  14
  15     You should have received a copy of the GNU General Public License
  16     along with this program; if not, write to the Free Software
  17     Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  18
  19     */
  20
  21
  22 #ifndef N
  23 #error "N must be #defined"
  24 #endif
  25
  26 /* NOTE: See end of file for #undef */
  27 #define unsigned_N XCONCAT2(unsigned_,N)
  28 #define endian_t2h_N XCONCAT2(endian_t2h_,N)
  29 #define endian_h2t_N XCONCAT2(endian_h2t_,N)
  30 #define _SWAP_N XCONCAT2(_SWAP_,N)
  31 #define swap_N XCONCAT2(swap_,N)
  32 #define endian_h2be_N XCONCAT2(endian_h2be_,N)
  33 #define endian_be2h_N XCONCAT2(endian_be2h_,N)
  34 #define endian_h2le_N XCONCAT2(endian_h2le_,N)
  35 #define endian_le2h_N XCONCAT2(endian_le2h_,N)
  36
  37
  38 INLINE_PSIM_ENDIAN\
  39 (unsigned_N)
  40 endian_t2h_N(unsigned_N raw_in)
  41 {
  42   if (CURRENT_TARGET_BYTE_ORDER == CURRENT_HOST_BYTE_ORDER) {
  43     return raw_in;
  44   }
  45   else {
  46     _SWAP_N(return,raw_in);
  47   }
  48 }
  49
  50
  51 INLINE_PSIM_ENDIAN\
  52 (unsigned_N)
  53 endian_h2t_N(unsigned_N raw_in)
  54 {
  55   if (CURRENT_TARGET_BYTE_ORDER == CURRENT_HOST_BYTE_ORDER) {
  56     return raw_in;
  57   }
  58   else {
  59     _SWAP_N(return,raw_in);
  60   }
  61 }
  62
  63
  64 INLINE_PSIM_ENDIAN\
  65 (unsigned_N)
  66 swap_N(unsigned_N raw_in)
  67 {
  68   _SWAP_N(return,raw_in);
  69 }
  70
  71
  72
  73 INLINE_PSIM_ENDIAN\
  74 (unsigned_N)
  75 endian_h2be_N(unsigned_N raw_in)
  76 {
  77   if (CURRENT_HOST_BYTE_ORDER == BIG_ENDIAN) {
  78     return raw_in;
  79   }
  80   else {
  81     _SWAP_N(return,raw_in);
  82   }
  83 }
  84
  85
  86 INLINE_PSIM_ENDIAN\
  87 (unsigned_N)
  88 endian_be2h_N(unsigned_N raw_in)
  89 {
  90   if (CURRENT_HOST_BYTE_ORDER == BIG_ENDIAN) {
  91     return raw_in;
  92   }
  93   else {
  94     _SWAP_N(return,raw_in);
  95   }
  96 }
  97
  98
  99 INLINE_PSIM_ENDIAN\
 100 (unsigned_N)
 101 endian_h2le_N(unsigned_N raw_in)
 102 {
 103   if (CURRENT_HOST_BYTE_ORDER == LITTLE_ENDIAN) {
 104     return raw_in;
 105   }
 106   else {
 107     _SWAP_N(return,raw_in);
 108   }
 109 }
 110
 111
 112 INLINE_PSIM_ENDIAN\
 113 (unsigned_N)
 114 endian_le2h_N(unsigned_N raw_in)
 115 {
 116   if (CURRENT_HOST_BYTE_ORDER == LITTLE_ENDIAN) {
 117     return raw_in;
 118   }
 119   else {
 120     _SWAP_N(return,raw_in);
 121   }
 122 }
 123
 124
 125 /* NOTE: See start of file for #define */
 126 #undef unsigned_N
 127 #undef endian_t2h_N
 128 #undef endian_h2t_N
 129 #undef _SWAP_N
 130 #undef swap_N
 131 #undef endian_h2be_N
 132 #undef endian_be2h_N
 133 #undef endian_h2le_N
 134 #undef endian_le2h_N