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 3 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, see <http://www.gnu.org/licenses/>.
  17
  18     */
  19
  20
  21 #ifndef N
  22 #error "N must be #defined"
  23 #endif
  24
  25 /* NOTE: See end of file for #undef */
  26 #define unsigned_N XCONCAT2(unsigned_,N)
  27 #define endian_t2h_N XCONCAT2(endian_t2h_,N)
  28 #define endian_h2t_N XCONCAT2(endian_h2t_,N)
  29 #define _SWAP_N XCONCAT2(_SWAP_,N)
  30 #define swap_N XCONCAT2(swap_,N)
  31 #define endian_h2be_N XCONCAT2(endian_h2be_,N)
  32 #define endian_be2h_N XCONCAT2(endian_be2h_,N)
  33 #define endian_h2le_N XCONCAT2(endian_h2le_,N)
  34 #define endian_le2h_N XCONCAT2(endian_le2h_,N)
  35
  36
  37 INLINE_PSIM_ENDIAN\
  38 (unsigned_N)
  39 endian_t2h_N(unsigned_N raw_in)
  40 {
  41   if (CURRENT_TARGET_BYTE_ORDER == CURRENT_HOST_BYTE_ORDER) {
  42     return raw_in;
  43   }
  44   else {
  45     _SWAP_N(return,raw_in);
  46   }
  47 }
  48
  49
  50 INLINE_PSIM_ENDIAN\
  51 (unsigned_N)
  52 endian_h2t_N(unsigned_N raw_in)
  53 {
  54   if (CURRENT_TARGET_BYTE_ORDER == CURRENT_HOST_BYTE_ORDER) {
  55     return raw_in;
  56   }
  57   else {
  58     _SWAP_N(return,raw_in);
  59   }
  60 }
  61
  62
  63 INLINE_PSIM_ENDIAN\
  64 (unsigned_N)
  65 swap_N(unsigned_N raw_in)
  66 {
  67   _SWAP_N(return,raw_in);
  68 }
  69
  70
  71
  72 INLINE_PSIM_ENDIAN\
  73 (unsigned_N)
  74 endian_h2be_N(unsigned_N raw_in)
  75 {
  76   if (CURRENT_HOST_BYTE_ORDER == BIG_ENDIAN) {
  77     return raw_in;
  78   }
  79   else {
  80     _SWAP_N(return,raw_in);
  81   }
  82 }
  83
  84
  85 INLINE_PSIM_ENDIAN\
  86 (unsigned_N)
  87 endian_be2h_N(unsigned_N raw_in)
  88 {
  89   if (CURRENT_HOST_BYTE_ORDER == BIG_ENDIAN) {
  90     return raw_in;
  91   }
  92   else {
  93     _SWAP_N(return,raw_in);
  94   }
  95 }
  96
  97
  98 INLINE_PSIM_ENDIAN\
  99 (unsigned_N)
 100 endian_h2le_N(unsigned_N raw_in)
 101 {
 102   if (CURRENT_HOST_BYTE_ORDER == LITTLE_ENDIAN) {
 103     return raw_in;
 104   }
 105   else {
 106     _SWAP_N(return,raw_in);
 107   }
 108 }
 109
 110
 111 INLINE_PSIM_ENDIAN\
 112 (unsigned_N)
 113 endian_le2h_N(unsigned_N raw_in)
 114 {
 115   if (CURRENT_HOST_BYTE_ORDER == LITTLE_ENDIAN) {
 116     return raw_in;
 117   }
 118   else {
 119     _SWAP_N(return,raw_in);
 120   }
 121 }
 122
 123
 124 /* NOTE: See start of file for #define */
 125 #undef unsigned_N
 126 #undef endian_t2h_N
 127 #undef endian_h2t_N
 128 #undef _SWAP_N
 129 #undef swap_N
 130 #undef endian_h2be_N
 131 #undef endian_be2h_N
 132 #undef endian_h2le_N
 133 #undef endian_le2h_N