[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 2 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, write to the Free Software
    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 
    */


#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>
# include <asm/byteorder.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
	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 _SIM_ENDIAN_H_
	23	#define _SIM_ENDIAN_H_
	24
	25
	26	/* C byte conversion functions */
	27
d29d5195 MG	28	INLINE_PSIM_ENDIAN(unsigned_1) endian_h2t_1(unsigned_1 x);
	29	INLINE_PSIM_ENDIAN(unsigned_2) endian_h2t_2(unsigned_2 x);
	30	INLINE_PSIM_ENDIAN(unsigned_4) endian_h2t_4(unsigned_4 x);
	31	INLINE_PSIM_ENDIAN(unsigned_8) endian_h2t_8(unsigned_8 x);
	32
	33	INLINE_PSIM_ENDIAN(unsigned_1) endian_t2h_1(unsigned_1 x);
	34	INLINE_PSIM_ENDIAN(unsigned_2) endian_t2h_2(unsigned_2 x);
	35	INLINE_PSIM_ENDIAN(unsigned_4) endian_t2h_4(unsigned_4 x);
	36	INLINE_PSIM_ENDIAN(unsigned_8) endian_t2h_8(unsigned_8 x);
	37
	38	INLINE_PSIM_ENDIAN(unsigned_1) swap_1(unsigned_1 x);
	39	INLINE_PSIM_ENDIAN(unsigned_2) swap_2(unsigned_2 x);
	40	INLINE_PSIM_ENDIAN(unsigned_4) swap_4(unsigned_4 x);
	41	INLINE_PSIM_ENDIAN(unsigned_8) swap_8(unsigned_8 x);
	42
	43	INLINE_PSIM_ENDIAN(unsigned_1) endian_h2be_1(unsigned_1 x);
	44	INLINE_PSIM_ENDIAN(unsigned_2) endian_h2be_2(unsigned_2 x);
	45	INLINE_PSIM_ENDIAN(unsigned_4) endian_h2be_4(unsigned_4 x);
	46	INLINE_PSIM_ENDIAN(unsigned_8) endian_h2be_8(unsigned_8 x);
	47
	48	INLINE_PSIM_ENDIAN(unsigned_1) endian_be2h_1(unsigned_1 x);
	49	INLINE_PSIM_ENDIAN(unsigned_2) endian_be2h_2(unsigned_2 x);
	50	INLINE_PSIM_ENDIAN(unsigned_4) endian_be2h_4(unsigned_4 x);
	51	INLINE_PSIM_ENDIAN(unsigned_8) endian_be2h_8(unsigned_8 x);
	52
	53	INLINE_PSIM_ENDIAN(unsigned_1) endian_h2le_1(unsigned_1 x);
	54	INLINE_PSIM_ENDIAN(unsigned_2) endian_h2le_2(unsigned_2 x);
	55	INLINE_PSIM_ENDIAN(unsigned_4) endian_h2le_4(unsigned_4 x);
	56	INLINE_PSIM_ENDIAN(unsigned_8) endian_h2le_8(unsigned_8 x);
	57
	58	INLINE_PSIM_ENDIAN(unsigned_1) endian_le2h_1(unsigned_1 x);
	59	INLINE_PSIM_ENDIAN(unsigned_2) endian_le2h_2(unsigned_2 x);
	60	INLINE_PSIM_ENDIAN(unsigned_4) endian_le2h_4(unsigned_4 x);
	61	INLINE_PSIM_ENDIAN(unsigned_8) endian_le2h_8(unsigned_8 x);
c906108c SS	62
	63
	64	/* Host dependant:
	65
	66	The CPP below defines information about the compilation host. In
	67	particular it defines the macro's:
	68
	69	WITH_HOST_BYTE_ORDER The byte order of the host. Could
	70	be any of LITTLE_ENDIAN, BIG_ENDIAN
	71	or 0 (unknown). Those macro's also
	72	need to be defined.
	73
	74	*/
	75
	76
	77	/* NetBSD:
	78
	79	NetBSD is easy, everything you could ever want is in a header file
	80	(well almost :-) */
	81
	82	#if defined(__NetBSD__)
	83	# include <machine/endian.h>
	84	# if (WITH_HOST_BYTE_ORDER == 0)
	85	# undef WITH_HOST_BYTE_ORDER
	86	# define WITH_HOST_BYTE_ORDER BYTE_ORDER
	87	# endif
	88	# if (BYTE_ORDER != WITH_HOST_BYTE_ORDER)
	89	# error "host endian incorrectly configured, check config.h"
	90	# endif
	91	#endif
	92
	93	/* Linux is similarly easy. */
	94
	95	#if defined(__linux__)
	96	# include <endian.h>
	97	# include <asm/byteorder.h>
	98	# if defined(__LITTLE_ENDIAN) && !defined(LITTLE_ENDIAN)
	99	# define LITTLE_ENDIAN __LITTLE_ENDIAN
	100	# endif
	101	# if defined(__BIG_ENDIAN) && !defined(BIG_ENDIAN)
	102	# define BIG_ENDIAN __BIG_ENDIAN
	103	# endif
	104	# if defined(__BYTE_ORDER) && !defined(BYTE_ORDER)
	105	# define BYTE_ORDER __BYTE_ORDER
	106	# endif
	107	# if (WITH_HOST_BYTE_ORDER == 0)
	108	# undef WITH_HOST_BYTE_ORDER
	109	# define WITH_HOST_BYTE_ORDER BYTE_ORDER
	110	# endif
	111	# if (BYTE_ORDER != WITH_HOST_BYTE_ORDER)
	112	# error "host endian incorrectly configured, check config.h"
	113	# endif
	114	#endif
	115
	116	/* INSERT HERE - hosts that have available LITTLE_ENDIAN and
	117	BIG_ENDIAN macro's */
	118
	119
	120	/* Some hosts don't define LITTLE_ENDIAN or BIG_ENDIAN, help them out */
	121
	122	#ifndef LITTLE_ENDIAN
	123	#define LITTLE_ENDIAN 1234
	124	#endif
	125	#ifndef BIG_ENDIAN
126	#define BIG_ENDIAN 4321
127	#endif
128
129
130	/* SunOS on SPARC:
131
132	Big endian last time I looked */
133
134	#if defined(sparc) \|\| defined(__sparc__)
135	# if (WITH_HOST_BYTE_ORDER == 0)
136	# undef WITH_HOST_BYTE_ORDER
137	# define WITH_HOST_BYTE_ORDER BIG_ENDIAN
138	# endif
139	# if (WITH_HOST_BYTE_ORDER != BIG_ENDIAN)
140	# error "sun was big endian last time I looked ..."
141	# endif
142	#endif
143
144
145	/* Random x86
146
147	Little endian last time I looked */
148
149	#if defined(i386) \|\| defined(i486) \|\| defined(i586) \|\| defined (i686) \|\| defined(__i386__) \|\| defined(__i486__) \|\| defined(__i586__) \|\| defined (__i686__)
150	# if (WITH_HOST_BYTE_ORDER == 0)
151	# undef WITH_HOST_BYTE_ORDER
152	# define WITH_HOST_BYTE_ORDER LITTLE_ENDIAN
153	# endif
154	# if (WITH_HOST_BYTE_ORDER != LITTLE_ENDIAN)
155	# error "x86 was little endian last time I looked ..."
156	# endif
157	#endif
158
159	#if (defined (__i486__) \|\| defined (__i586__) \|\| defined (__i686__)) && defined(__GNUC__) && WITH_BSWAP
160	#undef htonl
161	#undef ntohl
162	#define htonl(IN) __extension__ ({ int _out; __asm__ ("bswap %0" : "=r" (_out) : "0" (IN)); _out; })
163	#define ntohl(IN) __extension__ ({ int _out; __asm__ ("bswap %0" : "=r" (_out) : "0" (IN)); _out; })
164	#endif
165
166	/* Power or PowerPC running AIX */
167	#if defined(_POWER) && defined(_AIX)
168	# if (WITH_HOST_BYTE_ORDER == 0)
169	# undef WITH_HOST_BYTE_ORDER
170	# define WITH_HOST_BYTE_ORDER BIG_ENDIAN
171	# endif
172	# if (WITH_HOST_BYTE_ORDER != BIG_ENDIAN)
173	# error "Power/PowerPC AIX was big endian last time I looked ..."
174	# endif
175	#endif
176
177	/* Solaris running PowerPC */
178	#if defined(__PPC) && defined(__sun__)
179	# if (WITH_HOST_BYTE_ORDER == 0)
180	# undef WITH_HOST_BYTE_ORDER
181	# define WITH_HOST_BYTE_ORDER LITTLE_ENDIAN
182	# endif
183	# if (WITH_HOST_BYTE_ORDER != LITTLE_ENDIAN)
184	# error "Solaris on PowerPCs was little endian last time I looked ..."
185	# endif
186	#endif
187
188	/* HP/PA */
189	#if defined(__hppa__)
190	# if (WITH_HOST_BYTE_ORDER == 0)
191	# undef WITH_HOST_BYTE_ORDER
192	# define WITH_HOST_BYTE_ORDER BIG_ENDIAN
193	# endif
194	# if (WITH_HOST_BYTE_ORDER != BIG_ENDIAN)
195	# error "HP/PA was big endian last time I looked ..."
196	# endif
197	#endif
198
199	/* Big endian MIPS */
200	#if defined(__MIPSEB__)
201	# if (WITH_HOST_BYTE_ORDER == 0)
202	# undef WITH_HOST_BYTE_ORDER
203	# define WITH_HOST_BYTE_ORDER BIG_ENDIAN
204	# endif
205	# if (WITH_HOST_BYTE_ORDER != BIG_ENDIAN)
206	# error "MIPSEB was big endian last time I looked ..."
207	# endif
208	#endif
209
210	/* Little endian MIPS */
211	#if defined(__MIPSEL__)
212	# if (WITH_HOST_BYTE_ORDER == 0)
213	# undef WITH_HOST_BYTE_ORDER
214	# define WITH_HOST_BYTE_ORDER LITTLE_ENDIAN
215	# endif
216	# if (WITH_HOST_BYTE_ORDER != LITTLE_ENDIAN)
217	# error "MIPSEL was little endian last time I looked ..."
218	# endif
219	#endif
220
221	/* Windows NT */
222	#if defined(__WIN32__)
223	# if (WITH_HOST_BYTE_ORDER == 0)
224	# undef WITH_HOST_BYTE_ORDER
225	# define WITH_HOST_BYTE_ORDER LITTLE_ENDIAN
226	# endif
227	# if (WITH_HOST_BYTE_ORDER != LITTLE_ENDIAN)
228	# error "Windows NT was little endian last time I looked ..."
229	# endif
230	#endif
231
232	/* Alpha running DEC unix */
233	#if defined(__osf__) && defined(__alpha__)
234	# if (WITH_HOST_BYTE_ORDER == 0)
235	# undef WITH_HOST_BYTE_ORDER
236	# define WITH_HOST_BYTE_ORDER LITTLE_ENDIAN
237	# endif
238	# if (WITH_HOST_BYTE_ORDER != LITTLE_ENDIAN)
239	# error "AXP running DEC unix was little endian last time I looked ..."
240	# endif
241	#endif
242
243
244	/* INSERT HERE - additional hosts that do not have LITTLE_ENDIAN and
245	BIG_ENDIAN definitions available. */
246
247	/* SWAP */
248
4c15ccf7 GK	249	#define SWAP_1 swap_1
	250	#define SWAP_2 swap_2
	251	#define SWAP_4 swap_4
	252	#define SWAP_8 swap_8
c906108c SS	253
	254
	255	/* HOST to BE */
	256
4c15ccf7 GK	257	#define H2BE_1 endian_h2be_1
	258	#define H2BE_2 endian_h2be_2
	259	#define H2BE_4 endian_h2be_4
	260	#define H2BE_8 endian_h2be_8
	261	#define BE2H_1 endian_be2h_1
	262	#define BE2H_2 endian_be2h_2
	263	#define BE2H_4 endian_be2h_4
	264	#define BE2H_8 endian_be2h_8
c906108c SS	265
	266
	267	/* HOST to LE */
	268
4c15ccf7 GK	269	#define H2LE_1 endian_h2le_1
	270	#define H2LE_2 endian_h2le_2
	271	#define H2LE_4 endian_h2le_4
	272	#define H2LE_8 endian_h2le_8
	273	#define LE2H_1 endian_le2h_1
	274	#define LE2H_2 endian_le2h_2
	275	#define LE2H_4 endian_le2h_4
	276	#define LE2H_8 endian_le2h_8
c906108c SS	277
	278
	279	/* HOST to TARGET */
	280
4c15ccf7 GK	281	#define H2T_1 endian_h2t_1
	282	#define H2T_2 endian_h2t_2
	283	#define H2T_4 endian_h2t_4
	284	#define H2T_8 endian_h2t_8
	285	#define T2H_1 endian_t2h_1
	286	#define T2H_2 endian_t2h_2
	287	#define T2H_4 endian_t2h_4
	288	#define T2H_8 endian_t2h_8
c906108c SS	289
	290
	291	/* CONVERT IN PLACE
	292
	293	These macros, given an argument of unknown size, swap its value in
	294	place if a host/target conversion is required. */
	295
	296	#define H2T(VARIABLE) \
	297	do { \
	298	switch (sizeof(VARIABLE)) { \
	299	case 1: VARIABLE = H2T_1(VARIABLE); break; \
	300	case 2: VARIABLE = H2T_2(VARIABLE); break; \
	301	case 4: VARIABLE = H2T_4(VARIABLE); break; \
	302	case 8: VARIABLE = H2T_8(VARIABLE); break; \
	303	} \
	304	} while (0)
	305
	306	#define T2H(VARIABLE) \
	307	do { \
	308	switch (sizeof(VARIABLE)) { \
	309	case 1: VARIABLE = T2H_1(VARIABLE); break; \
	310	case 2: VARIABLE = T2H_2(VARIABLE); break; \
	311	case 4: VARIABLE = T2H_4(VARIABLE); break; \
	312	case 8: VARIABLE = T2H_8(VARIABLE); break; \
	313	} \
	314	} while (0)
	315
	316	#define SWAP(VARIABLE) \
	317	do { \
	318	switch (sizeof(VARIABLE)) { \
	319	case 1: VARIABLE = SWAP_1(VARIABLE); break; \
	320	case 2: VARIABLE = SWAP_2(VARIABLE); break; \
	321	case 4: VARIABLE = SWAP_4(VARIABLE); break; \
	322	case 8: VARIABLE = SWAP_8(VARIABLE); break; \
	323	} \
	324	} while (0)
	325
	326	#define H2BE(VARIABLE) \
	327	do { \
	328	switch (sizeof(VARIABLE)) { \
	329	case 1: VARIABLE = H2BE_1(VARIABLE); break; \
	330	case 2: VARIABLE = H2BE_2(VARIABLE); break; \
	331	case 4: VARIABLE = H2BE_4(VARIABLE); break; \
	332	case 8: VARIABLE = H2BE_8(VARIABLE); break; \
	333	} \
	334	} while (0)
	335
	336	#define BE2H(VARIABLE) \
	337	do { \
	338	switch (sizeof(VARIABLE)) { \
	339	case 1: VARIABLE = BE2H_1(VARIABLE); break; \
	340	case 2: VARIABLE = BE2H_2(VARIABLE); break; \
	341	case 4: VARIABLE = BE2H_4(VARIABLE); break; \
	342	case 8: VARIABLE = BE2H_8(VARIABLE); break; \
	343	} \
	344	} while (0)
	345
	346	#define H2LE(VARIABLE) \
	347	do { \
	348	switch (sizeof(VARIABLE)) { \
	349	case 1: VARIABLE = H2LE_1(VARIABLE); break; \
	350	case 2: VARIABLE = H2LE_2(VARIABLE); break; \
	351	case 4: VARIABLE = H2LE_4(VARIABLE); break; \
	352	case 8: VARIABLE = H2LE_8(VARIABLE); break; \
353	} \
354	} while (0)
355
356	#define LE2H(VARIABLE) \
357	do { \
358	switch (sizeof(VARIABLE)) { \
359	case 1: VARIABLE = LE2H_1(VARIABLE); break; \
360	case 2: VARIABLE = LE2H_2(VARIABLE); break; \
361	case 4: VARIABLE = LE2H_4(VARIABLE); break; \
362	case 8: VARIABLE = LE2H_8(VARIABLE); break; \
363	} \
364	} while (0)
365
366
367
368	/* TARGET WORD:
369
370	Byte swap a quantity the size of the targets word */
371
372	#if (WITH_TARGET_WORD_BITSIZE == 64)
4c15ccf7 GK	373	#define H2T_word H2T_8
	374	#define T2H_word T2H_8
	375	#define H2BE_word H2BE_8
	376	#define BE2H_word BE2H_8
	377	#define H2LE_word H2LE_8
	378	#define LE2H_word LE2H_8
	379	#define SWAP_word SWAP_8
c906108c SS	380	#endif
c906108c SS	381	#if (WITH_TARGET_WORD_BITSIZE == 32)
4c15ccf7 GK	382	#define H2T_word H2T_4
	383	#define T2H_word T2H_4
	384	#define H2BE_word H2BE_4
	385	#define BE2H_word BE2H_4
	386	#define H2LE_word H2LE_4
	387	#define LE2H_word LE2H_4
	388	#define SWAP_word SWAP_4
c906108c SS	389	#endif
	390
	391
	392	/* TARGET CELL:
	393
	394	Byte swap a quantity the size of the targets IEEE 1275 memory cell */
	395
4c15ccf7 GK	396	#define H2T_cell H2T_4
	397	#define T2H_cell T2H_4
	398	#define H2BE_cell H2BE_4
	399	#define BE2H_cell BE2H_4
	400	#define H2LE_cell H2LE_4
	401	#define LE2H_cell LE2H_4
	402	#define SWAP_cell SWAP_4
c906108c SS	403
	404
	405	#if (SIM_ENDIAN_INLINE & INCLUDE_MODULE)
	406	# include "sim-endian.c"
	407	#endif
	408
	409	#endif /* _SIM_ENDIAN_H_ */