[deliverable/binutils-gdb.git] / sim / ppc / sim-endian.h

/*  This file is part of the program psim.

    Copyright (C) 1994-1995, Andrew Cagney <cagney@highland.com.au>

    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 3 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.
 
    You should have received a copy of the GNU General Public License
    along with this program; if not, see <http://www.gnu.org/licenses/>.
 
    */


#ifndef _SIM_ENDIAN_H_
#define _SIM_ENDIAN_H_


/* C byte conversion functions */

INLINE_PSIM_ENDIAN(unsigned_1) endian_h2t_1(unsigned_1 x);
INLINE_PSIM_ENDIAN(unsigned_2) endian_h2t_2(unsigned_2 x);
INLINE_PSIM_ENDIAN(unsigned_4) endian_h2t_4(unsigned_4 x);
INLINE_PSIM_ENDIAN(unsigned_8) endian_h2t_8(unsigned_8 x);

INLINE_PSIM_ENDIAN(unsigned_1) endian_t2h_1(unsigned_1 x);
INLINE_PSIM_ENDIAN(unsigned_2) endian_t2h_2(unsigned_2 x);
INLINE_PSIM_ENDIAN(unsigned_4) endian_t2h_4(unsigned_4 x);
INLINE_PSIM_ENDIAN(unsigned_8) endian_t2h_8(unsigned_8 x);

INLINE_PSIM_ENDIAN(unsigned_1) swap_1(unsigned_1 x);
INLINE_PSIM_ENDIAN(unsigned_2) swap_2(unsigned_2 x);
INLINE_PSIM_ENDIAN(unsigned_4) swap_4(unsigned_4 x);
INLINE_PSIM_ENDIAN(unsigned_8) swap_8(unsigned_8 x);

INLINE_PSIM_ENDIAN(unsigned_1) endian_h2be_1(unsigned_1 x);
INLINE_PSIM_ENDIAN(unsigned_2) endian_h2be_2(unsigned_2 x);
INLINE_PSIM_ENDIAN(unsigned_4) endian_h2be_4(unsigned_4 x);
INLINE_PSIM_ENDIAN(unsigned_8) endian_h2be_8(unsigned_8 x);

INLINE_PSIM_ENDIAN(unsigned_1) endian_be2h_1(unsigned_1 x);
INLINE_PSIM_ENDIAN(unsigned_2) endian_be2h_2(unsigned_2 x);
INLINE_PSIM_ENDIAN(unsigned_4) endian_be2h_4(unsigned_4 x);
INLINE_PSIM_ENDIAN(unsigned_8) endian_be2h_8(unsigned_8 x);

INLINE_PSIM_ENDIAN(unsigned_1) endian_h2le_1(unsigned_1 x);
INLINE_PSIM_ENDIAN(unsigned_2) endian_h2le_2(unsigned_2 x);
INLINE_PSIM_ENDIAN(unsigned_4) endian_h2le_4(unsigned_4 x);
INLINE_PSIM_ENDIAN(unsigned_8) endian_h2le_8(unsigned_8 x);

INLINE_PSIM_ENDIAN(unsigned_1) endian_le2h_1(unsigned_1 x);
INLINE_PSIM_ENDIAN(unsigned_2) endian_le2h_2(unsigned_2 x);
INLINE_PSIM_ENDIAN(unsigned_4) endian_le2h_4(unsigned_4 x);
INLINE_PSIM_ENDIAN(unsigned_8) endian_le2h_8(unsigned_8 x);


/* Host dependant:

   The CPP below defines information about the compilation host.  In
   particular it defines the macro's:

   	WITH_HOST_BYTE_ORDER	The byte order of the host. Could
				be any of LITTLE_ENDIAN, BIG_ENDIAN
				or 0 (unknown).  Those macro's also
				need to be defined.

 */


/* NetBSD:

   NetBSD is easy, everything you could ever want is in a header file
   (well almost :-) */

#if defined(__NetBSD__)
# include <machine/endian.h>
# if (WITH_HOST_BYTE_ORDER == 0)
#  undef WITH_HOST_BYTE_ORDER
#  define WITH_HOST_BYTE_ORDER BYTE_ORDER
# endif
# if (BYTE_ORDER != WITH_HOST_BYTE_ORDER)
#  error "host endian incorrectly configured, check config.h"
# endif
#endif

/* Linux is similarly easy.  */

#if defined(__linux__)
# include <endian.h>
# if defined(__LITTLE_ENDIAN) && !defined(LITTLE_ENDIAN)
#  define LITTLE_ENDIAN __LITTLE_ENDIAN
# endif
# if defined(__BIG_ENDIAN) && !defined(BIG_ENDIAN)
#  define BIG_ENDIAN __BIG_ENDIAN
# endif
# if defined(__BYTE_ORDER) && !defined(BYTE_ORDER)
#  define BYTE_ORDER __BYTE_ORDER
# endif
# if (WITH_HOST_BYTE_ORDER == 0)
#  undef WITH_HOST_BYTE_ORDER
#  define WITH_HOST_BYTE_ORDER BYTE_ORDER
# endif
# if (BYTE_ORDER != WITH_HOST_BYTE_ORDER)
#  error "host endian incorrectly configured, check config.h"
# endif
#endif

/* INSERT HERE - hosts that have available LITTLE_ENDIAN and
   BIG_ENDIAN macro's */


/* Some hosts don't define LITTLE_ENDIAN or BIG_ENDIAN, help them out */

#ifndef LITTLE_ENDIAN
#define LITTLE_ENDIAN 1234
#endif
#ifndef BIG_ENDIAN
#define BIG_ENDIAN 4321
#endif


/* SunOS on SPARC:

   Big endian last time I looked */

#if defined(sparc) || defined(__sparc__)
# if (WITH_HOST_BYTE_ORDER == 0)
#  undef WITH_HOST_BYTE_ORDER
#  define WITH_HOST_BYTE_ORDER BIG_ENDIAN
# endif
# if (WITH_HOST_BYTE_ORDER != BIG_ENDIAN)
#  error "sun was big endian last time I looked ..."
# endif
#endif


/* Random x86

   Little endian last time I looked */

#if defined(i386) || defined(i486) || defined(i586) || defined (i686) || defined(__i386__) || defined(__i486__) || defined(__i586__) || defined (__i686__)
# if (WITH_HOST_BYTE_ORDER == 0)
#  undef WITH_HOST_BYTE_ORDER
#  define WITH_HOST_BYTE_ORDER LITTLE_ENDIAN
# endif
# if (WITH_HOST_BYTE_ORDER != LITTLE_ENDIAN)
#  error "x86 was little endian last time I looked ..."
# endif
#endif

#if (defined (__i486__) || defined (__i586__) || defined (__i686__)) && defined(__GNUC__) && WITH_BSWAP
#undef  htonl
#undef  ntohl
#define htonl(IN) __extension__ ({ int _out; __asm__ ("bswap %0" : "=r" (_out) : "0" (IN)); _out; })
#define ntohl(IN) __extension__ ({ int _out; __asm__ ("bswap %0" : "=r" (_out) : "0" (IN)); _out; })
#endif

/* Power or PowerPC running AIX  */
#if defined(_POWER) && defined(_AIX)
# if (WITH_HOST_BYTE_ORDER == 0)
#  undef WITH_HOST_BYTE_ORDER
#  define WITH_HOST_BYTE_ORDER BIG_ENDIAN
# endif
# if (WITH_HOST_BYTE_ORDER != BIG_ENDIAN)
#  error "Power/PowerPC AIX was big endian last time I looked ..."
# endif
#endif

/* Solaris running PowerPC */
#if defined(__PPC) && defined(__sun__)
# if (WITH_HOST_BYTE_ORDER == 0)
#  undef WITH_HOST_BYTE_ORDER
#  define WITH_HOST_BYTE_ORDER LITTLE_ENDIAN
# endif
# if (WITH_HOST_BYTE_ORDER != LITTLE_ENDIAN)
#  error "Solaris on PowerPCs was little endian last time I looked ..."
# endif
#endif

/* HP/PA */
#if defined(__hppa__)
# if (WITH_HOST_BYTE_ORDER == 0)
#  undef WITH_HOST_BYTE_ORDER
#  define WITH_HOST_BYTE_ORDER BIG_ENDIAN
# endif
# if (WITH_HOST_BYTE_ORDER != BIG_ENDIAN)
#  error "HP/PA was big endian last time I looked ..."
# endif
#endif

/* Big endian MIPS */
#if defined(__MIPSEB__)
# if (WITH_HOST_BYTE_ORDER == 0)
#  undef WITH_HOST_BYTE_ORDER
#  define WITH_HOST_BYTE_ORDER BIG_ENDIAN
# endif
# if (WITH_HOST_BYTE_ORDER != BIG_ENDIAN)
#  error "MIPSEB was big endian last time I looked ..."
# endif
#endif

/* Little endian MIPS */
#if defined(__MIPSEL__)
# if (WITH_HOST_BYTE_ORDER == 0)
#  undef WITH_HOST_BYTE_ORDER
#  define WITH_HOST_BYTE_ORDER LITTLE_ENDIAN
# endif
# if (WITH_HOST_BYTE_ORDER != LITTLE_ENDIAN)
#  error "MIPSEL was little endian last time I looked ..."
# endif
#endif

/* Windows NT */
#if defined(__WIN32__)
# if (WITH_HOST_BYTE_ORDER == 0)
#  undef WITH_HOST_BYTE_ORDER
#  define WITH_HOST_BYTE_ORDER LITTLE_ENDIAN
# endif
# if (WITH_HOST_BYTE_ORDER != LITTLE_ENDIAN)
#  error "Windows NT was little endian last time I looked ..."
# endif
#endif

/* Alpha running DEC unix */
#if defined(__osf__) && defined(__alpha__)
# if (WITH_HOST_BYTE_ORDER == 0)
#  undef WITH_HOST_BYTE_ORDER
#  define WITH_HOST_BYTE_ORDER LITTLE_ENDIAN
# endif
# if (WITH_HOST_BYTE_ORDER != LITTLE_ENDIAN)
#  error "AXP running DEC unix was little endian last time I looked ..."
# endif
#endif


/* INSERT HERE - additional hosts that do not have LITTLE_ENDIAN and
   BIG_ENDIAN definitions available.  */

/* SWAP */

#define SWAP_1 swap_1
#define SWAP_2 swap_2
#define SWAP_4 swap_4
#define SWAP_8 swap_8


/* HOST to BE */

#define H2BE_1 endian_h2be_1
#define H2BE_2 endian_h2be_2
#define H2BE_4 endian_h2be_4
#define H2BE_8 endian_h2be_8
#define BE2H_1 endian_be2h_1
#define BE2H_2 endian_be2h_2
#define BE2H_4 endian_be2h_4
#define BE2H_8 endian_be2h_8


/* HOST to LE */

#define H2LE_1 endian_h2le_1
#define H2LE_2 endian_h2le_2
#define H2LE_4 endian_h2le_4
#define H2LE_8 endian_h2le_8
#define LE2H_1 endian_le2h_1
#define LE2H_2 endian_le2h_2
#define LE2H_4 endian_le2h_4
#define LE2H_8 endian_le2h_8


/* HOST to TARGET */

#define H2T_1 endian_h2t_1
#define H2T_2 endian_h2t_2
#define H2T_4 endian_h2t_4
#define H2T_8 endian_h2t_8
#define T2H_1 endian_t2h_1
#define T2H_2 endian_t2h_2
#define T2H_4 endian_t2h_4
#define T2H_8 endian_t2h_8


/* CONVERT IN PLACE

   These macros, given an argument of unknown size, swap its value in
   place if a host/target conversion is required. */

#define H2T(VARIABLE) \
do { \
  switch (sizeof(VARIABLE)) { \
  case 1: VARIABLE = H2T_1(VARIABLE); break; \
  case 2: VARIABLE = H2T_2(VARIABLE); break; \
  case 4: VARIABLE = H2T_4(VARIABLE); break; \
  case 8: VARIABLE = H2T_8(VARIABLE); break; \
  } \
} while (0)

#define T2H(VARIABLE) \
do { \
  switch (sizeof(VARIABLE)) { \
  case 1: VARIABLE = T2H_1(VARIABLE); break; \
  case 2: VARIABLE = T2H_2(VARIABLE); break; \
  case 4: VARIABLE = T2H_4(VARIABLE); break; \
  case 8: VARIABLE = T2H_8(VARIABLE); break; \
  } \
} while (0)

#define SWAP(VARIABLE) \
do { \
  switch (sizeof(VARIABLE)) { \
  case 1: VARIABLE = SWAP_1(VARIABLE); break; \
  case 2: VARIABLE = SWAP_2(VARIABLE); break; \
  case 4: VARIABLE = SWAP_4(VARIABLE); break; \
  case 8: VARIABLE = SWAP_8(VARIABLE); break; \
  } \
} while (0)

#define H2BE(VARIABLE) \
do { \
  switch (sizeof(VARIABLE)) { \
  case 1: VARIABLE = H2BE_1(VARIABLE); break; \
  case 2: VARIABLE = H2BE_2(VARIABLE); break; \
  case 4: VARIABLE = H2BE_4(VARIABLE); break; \
  case 8: VARIABLE = H2BE_8(VARIABLE); break; \
  } \
} while (0)

#define BE2H(VARIABLE) \
do { \
  switch (sizeof(VARIABLE)) { \
  case 1: VARIABLE = BE2H_1(VARIABLE); break; \
  case 2: VARIABLE = BE2H_2(VARIABLE); break; \
  case 4: VARIABLE = BE2H_4(VARIABLE); break; \
  case 8: VARIABLE = BE2H_8(VARIABLE); break; \
  } \
} while (0)

#define H2LE(VARIABLE) \
do { \
  switch (sizeof(VARIABLE)) { \
  case 1: VARIABLE = H2LE_1(VARIABLE); break; \
  case 2: VARIABLE = H2LE_2(VARIABLE); break; \
  case 4: VARIABLE = H2LE_4(VARIABLE); break; \
  case 8: VARIABLE = H2LE_8(VARIABLE); break; \
  } \
} while (0)

#define LE2H(VARIABLE) \
do { \
  switch (sizeof(VARIABLE)) { \
  case 1: VARIABLE = LE2H_1(VARIABLE); break; \
  case 2: VARIABLE = LE2H_2(VARIABLE); break; \
  case 4: VARIABLE = LE2H_4(VARIABLE); break; \
  case 8: VARIABLE = LE2H_8(VARIABLE); break; \
  } \
} while (0)


/* TARGET WORD:

   Byte swap a quantity the size of the targets word */

#if (WITH_TARGET_WORD_BITSIZE == 64)
#define H2T_word H2T_8
#define T2H_word T2H_8
#define H2BE_word H2BE_8
#define BE2H_word BE2H_8
#define H2LE_word H2LE_8
#define LE2H_word LE2H_8
#define SWAP_word SWAP_8
#endif
#if (WITH_TARGET_WORD_BITSIZE == 32)
#define H2T_word H2T_4
#define T2H_word T2H_4
#define H2BE_word H2BE_4
#define BE2H_word BE2H_4
#define H2LE_word H2LE_4
#define LE2H_word LE2H_4
#define SWAP_word SWAP_4
#endif


/* TARGET CELL:

   Byte swap a quantity the size of the targets IEEE 1275 memory cell */

#define H2T_cell H2T_4
#define T2H_cell T2H_4
#define H2BE_cell H2BE_4
#define BE2H_cell BE2H_4
#define H2LE_cell H2LE_4
#define LE2H_cell LE2H_4
#define SWAP_cell SWAP_4


#if (SIM_ENDIAN_INLINE & INCLUDE_MODULE)
# include "sim-endian.c"
#endif

#endif /* _SIM_ENDIAN_H_ */
Commit	Line	Data
c906108c SS	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
3fd725ef	7	the Free Software Foundation; either version 3 of the License, or
c906108c SS	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
51b318de	16	along with this program; if not, see <http://www.gnu.org/licenses/>.
c906108c SS	17
	18	*/
	19
	20
	21	#ifndef _SIM_ENDIAN_H_
	22	#define _SIM_ENDIAN_H_
	23
	24
	25	/* C byte conversion functions */
	26
d29d5195 MG	27	INLINE_PSIM_ENDIAN(unsigned_1) endian_h2t_1(unsigned_1 x);
	28	INLINE_PSIM_ENDIAN(unsigned_2) endian_h2t_2(unsigned_2 x);
	29	INLINE_PSIM_ENDIAN(unsigned_4) endian_h2t_4(unsigned_4 x);
	30	INLINE_PSIM_ENDIAN(unsigned_8) endian_h2t_8(unsigned_8 x);
	31
	32	INLINE_PSIM_ENDIAN(unsigned_1) endian_t2h_1(unsigned_1 x);
	33	INLINE_PSIM_ENDIAN(unsigned_2) endian_t2h_2(unsigned_2 x);
	34	INLINE_PSIM_ENDIAN(unsigned_4) endian_t2h_4(unsigned_4 x);
	35	INLINE_PSIM_ENDIAN(unsigned_8) endian_t2h_8(unsigned_8 x);
	36
	37	INLINE_PSIM_ENDIAN(unsigned_1) swap_1(unsigned_1 x);
	38	INLINE_PSIM_ENDIAN(unsigned_2) swap_2(unsigned_2 x);
	39	INLINE_PSIM_ENDIAN(unsigned_4) swap_4(unsigned_4 x);
	40	INLINE_PSIM_ENDIAN(unsigned_8) swap_8(unsigned_8 x);
	41
	42	INLINE_PSIM_ENDIAN(unsigned_1) endian_h2be_1(unsigned_1 x);
	43	INLINE_PSIM_ENDIAN(unsigned_2) endian_h2be_2(unsigned_2 x);
	44	INLINE_PSIM_ENDIAN(unsigned_4) endian_h2be_4(unsigned_4 x);
	45	INLINE_PSIM_ENDIAN(unsigned_8) endian_h2be_8(unsigned_8 x);
	46
	47	INLINE_PSIM_ENDIAN(unsigned_1) endian_be2h_1(unsigned_1 x);
	48	INLINE_PSIM_ENDIAN(unsigned_2) endian_be2h_2(unsigned_2 x);
	49	INLINE_PSIM_ENDIAN(unsigned_4) endian_be2h_4(unsigned_4 x);
	50	INLINE_PSIM_ENDIAN(unsigned_8) endian_be2h_8(unsigned_8 x);
	51
	52	INLINE_PSIM_ENDIAN(unsigned_1) endian_h2le_1(unsigned_1 x);
	53	INLINE_PSIM_ENDIAN(unsigned_2) endian_h2le_2(unsigned_2 x);
	54	INLINE_PSIM_ENDIAN(unsigned_4) endian_h2le_4(unsigned_4 x);
	55	INLINE_PSIM_ENDIAN(unsigned_8) endian_h2le_8(unsigned_8 x);
	56
	57	INLINE_PSIM_ENDIAN(unsigned_1) endian_le2h_1(unsigned_1 x);
	58	INLINE_PSIM_ENDIAN(unsigned_2) endian_le2h_2(unsigned_2 x);
	59	INLINE_PSIM_ENDIAN(unsigned_4) endian_le2h_4(unsigned_4 x);
	60	INLINE_PSIM_ENDIAN(unsigned_8) endian_le2h_8(unsigned_8 x);
c906108c SS	61
	62
	63	/* Host dependant:
	64
	65	The CPP below defines information about the compilation host. In
	66	particular it defines the macro's:
	67
	68	WITH_HOST_BYTE_ORDER The byte order of the host. Could
	69	be any of LITTLE_ENDIAN, BIG_ENDIAN
	70	or 0 (unknown). Those macro's also
	71	need to be defined.
	72
	73	*/
	74
	75
	76	/* NetBSD:
	77
	78	NetBSD is easy, everything you could ever want is in a header file
	79	(well almost :-) */
	80
	81	#if defined(__NetBSD__)
	82	# include <machine/endian.h>
	83	# if (WITH_HOST_BYTE_ORDER == 0)
	84	# undef WITH_HOST_BYTE_ORDER
	85	# define WITH_HOST_BYTE_ORDER BYTE_ORDER
	86	# endif
	87	# if (BYTE_ORDER != WITH_HOST_BYTE_ORDER)
	88	# error "host endian incorrectly configured, check config.h"
	89	# endif
	90	#endif
	91
	92	/* Linux is similarly easy. */
	93
	94	#if defined(__linux__)
	95	# include <endian.h>
c906108c SS	96	# if defined(__LITTLE_ENDIAN) && !defined(LITTLE_ENDIAN)
	97	# define LITTLE_ENDIAN __LITTLE_ENDIAN
	98	# endif
	99	# if defined(__BIG_ENDIAN) && !defined(BIG_ENDIAN)
	100	# define BIG_ENDIAN __BIG_ENDIAN
	101	# endif
	102	# if defined(__BYTE_ORDER) && !defined(BYTE_ORDER)
	103	# define BYTE_ORDER __BYTE_ORDER
	104	# endif
	105	# if (WITH_HOST_BYTE_ORDER == 0)
	106	# undef WITH_HOST_BYTE_ORDER
	107	# define WITH_HOST_BYTE_ORDER BYTE_ORDER
	108	# endif
	109	# if (BYTE_ORDER != WITH_HOST_BYTE_ORDER)
	110	# error "host endian incorrectly configured, check config.h"
	111	# endif
	112	#endif
	113
	114	/* INSERT HERE - hosts that have available LITTLE_ENDIAN and
	115	BIG_ENDIAN macro's */
	116
	117
	118	/* Some hosts don't define LITTLE_ENDIAN or BIG_ENDIAN, help them out */
	119
	120	#ifndef LITTLE_ENDIAN
	121	#define LITTLE_ENDIAN 1234
	122	#endif
	123	#ifndef BIG_ENDIAN
	124	#define BIG_ENDIAN 4321
	125	#endif
	126
	127
	128	/* SunOS on SPARC:
	129
	130	Big endian last time I looked */
	131
	132	#if defined(sparc) \|\| defined(__sparc__)
	133	# if (WITH_HOST_BYTE_ORDER == 0)
	134	# undef WITH_HOST_BYTE_ORDER
	135	# define WITH_HOST_BYTE_ORDER BIG_ENDIAN
	136	# endif
	137	# if (WITH_HOST_BYTE_ORDER != BIG_ENDIAN)
	138	# error "sun was big endian last time I looked ..."
	139	# endif
	140	#endif
	141
	142
	143	/* Random x86
	144
	145	Little endian last time I looked */
	146
	147	#if defined(i386) \|\| defined(i486) \|\| defined(i586) \|\| defined (i686) \|\| defined(__i386__) \|\| defined(__i486__) \|\| defined(__i586__) \|\| defined (__i686__)
	148	# if (WITH_HOST_BYTE_ORDER == 0)
	149	# undef WITH_HOST_BYTE_ORDER
	150	# define WITH_HOST_BYTE_ORDER LITTLE_ENDIAN
	151	# endif
	152	# if (WITH_HOST_BYTE_ORDER != LITTLE_ENDIAN)
	153	# error "x86 was little endian last time I looked ..."
	154	# endif
	155	#endif
	156
	157	#if (defined (__i486__) \|\| defined (__i586__) \|\| defined (__i686__)) && defined(__GNUC__) && WITH_BSWAP
	158	#undef htonl
	159	#undef ntohl
160	#define htonl(IN) __extension__ ({ int _out; __asm__ ("bswap %0" : "=r" (_out) : "0" (IN)); _out; })
161	#define ntohl(IN) __extension__ ({ int _out; __asm__ ("bswap %0" : "=r" (_out) : "0" (IN)); _out; })
162	#endif
163
164	/* Power or PowerPC running AIX */
165	#if defined(_POWER) && defined(_AIX)
166	# if (WITH_HOST_BYTE_ORDER == 0)
167	# undef WITH_HOST_BYTE_ORDER
168	# define WITH_HOST_BYTE_ORDER BIG_ENDIAN
169	# endif
170	# if (WITH_HOST_BYTE_ORDER != BIG_ENDIAN)
171	# error "Power/PowerPC AIX was big endian last time I looked ..."
172	# endif
173	#endif
174
175	/* Solaris running PowerPC */
176	#if defined(__PPC) && defined(__sun__)
177	# if (WITH_HOST_BYTE_ORDER == 0)
178	# undef WITH_HOST_BYTE_ORDER
179	# define WITH_HOST_BYTE_ORDER LITTLE_ENDIAN
180	# endif
181	# if (WITH_HOST_BYTE_ORDER != LITTLE_ENDIAN)
182	# error "Solaris on PowerPCs was little endian last time I looked ..."
183	# endif
184	#endif
185
186	/* HP/PA */
187	#if defined(__hppa__)
188	# if (WITH_HOST_BYTE_ORDER == 0)
189	# undef WITH_HOST_BYTE_ORDER
190	# define WITH_HOST_BYTE_ORDER BIG_ENDIAN
191	# endif
192	# if (WITH_HOST_BYTE_ORDER != BIG_ENDIAN)
193	# error "HP/PA was big endian last time I looked ..."
194	# endif
195	#endif
196
197	/* Big endian MIPS */
198	#if defined(__MIPSEB__)
199	# if (WITH_HOST_BYTE_ORDER == 0)
200	# undef WITH_HOST_BYTE_ORDER
201	# define WITH_HOST_BYTE_ORDER BIG_ENDIAN
202	# endif
203	# if (WITH_HOST_BYTE_ORDER != BIG_ENDIAN)
204	# error "MIPSEB was big endian last time I looked ..."
205	# endif
206	#endif
207
208	/* Little endian MIPS */
209	#if defined(__MIPSEL__)
210	# if (WITH_HOST_BYTE_ORDER == 0)
211	# undef WITH_HOST_BYTE_ORDER
212	# define WITH_HOST_BYTE_ORDER LITTLE_ENDIAN
213	# endif
214	# if (WITH_HOST_BYTE_ORDER != LITTLE_ENDIAN)
215	# error "MIPSEL was little endian last time I looked ..."
216	# endif
217	#endif
218
219	/* Windows NT */
220	#if defined(__WIN32__)
221	# if (WITH_HOST_BYTE_ORDER == 0)
222	# undef WITH_HOST_BYTE_ORDER
223	# define WITH_HOST_BYTE_ORDER LITTLE_ENDIAN
224	# endif
225	# if (WITH_HOST_BYTE_ORDER != LITTLE_ENDIAN)
226	# error "Windows NT was little endian last time I looked ..."
227	# endif
228	#endif
229
230	/* Alpha running DEC unix */
231	#if defined(__osf__) && defined(__alpha__)
232	# if (WITH_HOST_BYTE_ORDER == 0)
233	# undef WITH_HOST_BYTE_ORDER
234	# define WITH_HOST_BYTE_ORDER LITTLE_ENDIAN
235	# endif
236	# if (WITH_HOST_BYTE_ORDER != LITTLE_ENDIAN)
237	# error "AXP running DEC unix was little endian last time I looked ..."
238	# endif
239	#endif
240
241
242	/* INSERT HERE - additional hosts that do not have LITTLE_ENDIAN and
243	BIG_ENDIAN definitions available. */
244
245	/* SWAP */
246
4c15ccf7 GK	247	#define SWAP_1 swap_1
	248	#define SWAP_2 swap_2
	249	#define SWAP_4 swap_4
	250	#define SWAP_8 swap_8
c906108c SS	251
	252
	253	/* HOST to BE */
	254
4c15ccf7 GK	255	#define H2BE_1 endian_h2be_1
	256	#define H2BE_2 endian_h2be_2
	257	#define H2BE_4 endian_h2be_4
	258	#define H2BE_8 endian_h2be_8
	259	#define BE2H_1 endian_be2h_1
	260	#define BE2H_2 endian_be2h_2
	261	#define BE2H_4 endian_be2h_4
	262	#define BE2H_8 endian_be2h_8
c906108c SS	263
	264
	265	/* HOST to LE */
	266
4c15ccf7 GK	267	#define H2LE_1 endian_h2le_1
	268	#define H2LE_2 endian_h2le_2
	269	#define H2LE_4 endian_h2le_4
	270	#define H2LE_8 endian_h2le_8
	271	#define LE2H_1 endian_le2h_1
	272	#define LE2H_2 endian_le2h_2
	273	#define LE2H_4 endian_le2h_4
	274	#define LE2H_8 endian_le2h_8
c906108c SS	275
	276
	277	/* HOST to TARGET */
	278
4c15ccf7 GK	279	#define H2T_1 endian_h2t_1
	280	#define H2T_2 endian_h2t_2
	281	#define H2T_4 endian_h2t_4
	282	#define H2T_8 endian_h2t_8
	283	#define T2H_1 endian_t2h_1
	284	#define T2H_2 endian_t2h_2
	285	#define T2H_4 endian_t2h_4
	286	#define T2H_8 endian_t2h_8
c906108c SS	287
	288
	289	/* CONVERT IN PLACE
	290
	291	These macros, given an argument of unknown size, swap its value in
	292	place if a host/target conversion is required. */
	293
	294	#define H2T(VARIABLE) \
	295	do { \
	296	switch (sizeof(VARIABLE)) { \
	297	case 1: VARIABLE = H2T_1(VARIABLE); break; \
	298	case 2: VARIABLE = H2T_2(VARIABLE); break; \
	299	case 4: VARIABLE = H2T_4(VARIABLE); break; \
	300	case 8: VARIABLE = H2T_8(VARIABLE); break; \
	301	} \
	302	} while (0)
	303
	304	#define T2H(VARIABLE) \
	305	do { \
	306	switch (sizeof(VARIABLE)) { \
	307	case 1: VARIABLE = T2H_1(VARIABLE); break; \
	308	case 2: VARIABLE = T2H_2(VARIABLE); break; \
	309	case 4: VARIABLE = T2H_4(VARIABLE); break; \
	310	case 8: VARIABLE = T2H_8(VARIABLE); break; \
	311	} \
	312	} while (0)
	313
	314	#define SWAP(VARIABLE) \
	315	do { \
	316	switch (sizeof(VARIABLE)) { \
	317	case 1: VARIABLE = SWAP_1(VARIABLE); break; \
	318	case 2: VARIABLE = SWAP_2(VARIABLE); break; \
	319	case 4: VARIABLE = SWAP_4(VARIABLE); break; \
	320	case 8: VARIABLE = SWAP_8(VARIABLE); break; \
	321	} \
	322	} while (0)
	323
	324	#define H2BE(VARIABLE) \
	325	do { \
	326	switch (sizeof(VARIABLE)) { \
	327	case 1: VARIABLE = H2BE_1(VARIABLE); break; \
	328	case 2: VARIABLE = H2BE_2(VARIABLE); break; \
	329	case 4: VARIABLE = H2BE_4(VARIABLE); break; \
	330	case 8: VARIABLE = H2BE_8(VARIABLE); break; \
	331	} \
	332	} while (0)
	333
	334	#define BE2H(VARIABLE) \
	335	do { \
	336	switch (sizeof(VARIABLE)) { \
	337	case 1: VARIABLE = BE2H_1(VARIABLE); break; \
	338	case 2: VARIABLE = BE2H_2(VARIABLE); break; \
	339	case 4: VARIABLE = BE2H_4(VARIABLE); break; \
	340	case 8: VARIABLE = BE2H_8(VARIABLE); break; \
	341	} \
	342	} while (0)
	343
	344	#define H2LE(VARIABLE) \
	345	do { \
	346	switch (sizeof(VARIABLE)) { \
	347	case 1: VARIABLE = H2LE_1(VARIABLE); break; \
	348	case 2: VARIABLE = H2LE_2(VARIABLE); break; \
	349	case 4: VARIABLE = H2LE_4(VARIABLE); break; \
	350	case 8: VARIABLE = H2LE_8(VARIABLE); break; \
351	} \
352	} while (0)
353
354	#define LE2H(VARIABLE) \
355	do { \
356	switch (sizeof(VARIABLE)) { \
357	case 1: VARIABLE = LE2H_1(VARIABLE); break; \
358	case 2: VARIABLE = LE2H_2(VARIABLE); break; \
359	case 4: VARIABLE = LE2H_4(VARIABLE); break; \
360	case 8: VARIABLE = LE2H_8(VARIABLE); break; \
361	} \
362	} while (0)
363
364
365
366	/* TARGET WORD:
367
368	Byte swap a quantity the size of the targets word */
369
370	#if (WITH_TARGET_WORD_BITSIZE == 64)
4c15ccf7 GK	371	#define H2T_word H2T_8
	372	#define T2H_word T2H_8
	373	#define H2BE_word H2BE_8
	374	#define BE2H_word BE2H_8
	375	#define H2LE_word H2LE_8
	376	#define LE2H_word LE2H_8
	377	#define SWAP_word SWAP_8
c906108c SS	378	#endif
c906108c SS	379	#if (WITH_TARGET_WORD_BITSIZE == 32)
4c15ccf7 GK	380	#define H2T_word H2T_4
	381	#define T2H_word T2H_4
	382	#define H2BE_word H2BE_4
	383	#define BE2H_word BE2H_4
	384	#define H2LE_word H2LE_4
	385	#define LE2H_word LE2H_4
	386	#define SWAP_word SWAP_4
c906108c SS	387	#endif
	388
	389
	390	/* TARGET CELL:
	391
	392	Byte swap a quantity the size of the targets IEEE 1275 memory cell */
	393
4c15ccf7 GK	394	#define H2T_cell H2T_4
	395	#define T2H_cell T2H_4
	396	#define H2BE_cell H2BE_4
	397	#define BE2H_cell BE2H_4
	398	#define H2LE_cell H2LE_4
	399	#define LE2H_cell LE2H_4
	400	#define SWAP_cell SWAP_4
c906108c SS	401
	402
	403	#if (SIM_ENDIAN_INLINE & INCLUDE_MODULE)
	404	# include "sim-endian.c"
	405	#endif
	406
	407	#endif /* _SIM_ENDIAN_H_ */