160 lines
3.2 KiB
C
160 lines
3.2 KiB
C
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/* This file is part of the program psim.
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Copyright (C) 1994-1995, Andrew Cagney <cagney@highland.com.au>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifndef N
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#error "N must be #defined"
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#endif
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/* NOTE: See end of file for #undef */
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#define unsigned_N XCONCAT2(unsigned_,N)
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#define endian_t2h_N XCONCAT2(endian_t2h_,N)
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#define endian_h2t_N XCONCAT2(endian_h2t_,N)
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#define _SWAP_N XCONCAT2(_SWAP_,N)
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#define swap_N XCONCAT2(swap_,N)
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#define endian_h2be_N XCONCAT2(endian_h2be_,N)
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#define endian_be2h_N XCONCAT2(endian_be2h_,N)
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#define endian_h2le_N XCONCAT2(endian_h2le_,N)
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#define endian_le2h_N XCONCAT2(endian_le2h_,N)
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#define offset_N XCONCAT2(offset_,N)
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INLINE_SIM_ENDIAN\
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(unsigned_N)
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endian_t2h_N(unsigned_N raw_in)
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{
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if (CURRENT_TARGET_BYTE_ORDER == CURRENT_HOST_BYTE_ORDER) {
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return raw_in;
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}
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else {
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_SWAP_N(return,raw_in);
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}
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}
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INLINE_SIM_ENDIAN\
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(unsigned_N)
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endian_h2t_N(unsigned_N raw_in)
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{
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if (CURRENT_TARGET_BYTE_ORDER == CURRENT_HOST_BYTE_ORDER) {
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return raw_in;
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}
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else {
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_SWAP_N(return,raw_in);
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}
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}
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INLINE_SIM_ENDIAN\
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(unsigned_N)
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swap_N(unsigned_N raw_in)
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{
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_SWAP_N(return,raw_in);
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}
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INLINE_SIM_ENDIAN\
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(unsigned_N)
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endian_h2be_N(unsigned_N raw_in)
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{
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if (CURRENT_HOST_BYTE_ORDER == BIG_ENDIAN) {
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return raw_in;
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}
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else {
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_SWAP_N(return,raw_in);
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}
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}
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INLINE_SIM_ENDIAN\
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(unsigned_N)
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endian_be2h_N(unsigned_N raw_in)
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{
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if (CURRENT_HOST_BYTE_ORDER == BIG_ENDIAN) {
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return raw_in;
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}
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else {
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_SWAP_N(return,raw_in);
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}
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}
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INLINE_SIM_ENDIAN\
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(unsigned_N)
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endian_h2le_N(unsigned_N raw_in)
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{
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if (CURRENT_HOST_BYTE_ORDER == LITTLE_ENDIAN) {
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return raw_in;
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}
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else {
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_SWAP_N(return,raw_in);
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}
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}
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INLINE_SIM_ENDIAN\
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(unsigned_N)
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endian_le2h_N(unsigned_N raw_in)
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{
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if (CURRENT_HOST_BYTE_ORDER == LITTLE_ENDIAN) {
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return raw_in;
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}
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else {
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_SWAP_N(return,raw_in);
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}
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}
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INLINE_SIM_ENDIAN\
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(void*)
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offset_N(unsigned_N *x,
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int sizeof_word,
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int word)
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{
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char *in = (char*)x;
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char *out;
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int offset = sizeof_word * word;
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ASSERT(offset + sizeof_word <= sizeof(unsigned_N));
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ASSERT(word < (sizeof_word / sizeof(unsigned_N)));
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ASSERT((sizeof(unsigned_N) % sizeof_word) == 0);
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if (WITH_HOST_BYTE_ORDER == LITTLE_ENDIAN) {
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out = in + sizeof(unsigned_N) - offset;
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}
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else {
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out = in + offset;
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}
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return out;
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}
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/* NOTE: See start of file for #define */
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#undef unsigned_N
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#undef endian_t2h_N
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#undef endian_h2t_N
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#undef _SWAP_N
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#undef swap_N
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#undef endian_h2be_N
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#undef endian_be2h_N
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#undef endian_h2le_N
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#undef endian_le2h_N
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#undef offset_N
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