[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

/* 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
c906108c SS	157	/* Power or PowerPC running AIX */
	158	#if defined(_POWER) && defined(_AIX)
	159	# if (WITH_HOST_BYTE_ORDER == 0)
	160	# undef WITH_HOST_BYTE_ORDER
	161	# define WITH_HOST_BYTE_ORDER BIG_ENDIAN
	162	# endif
	163	# if (WITH_HOST_BYTE_ORDER != BIG_ENDIAN)
	164	# error "Power/PowerPC AIX was big endian last time I looked ..."
	165	# endif
	166	#endif
	167
	168	/* Solaris running PowerPC */
	169	#if defined(__PPC) && defined(__sun__)
	170	# if (WITH_HOST_BYTE_ORDER == 0)
	171	# undef WITH_HOST_BYTE_ORDER
	172	# define WITH_HOST_BYTE_ORDER LITTLE_ENDIAN
	173	# endif
	174	# if (WITH_HOST_BYTE_ORDER != LITTLE_ENDIAN)
	175	# error "Solaris on PowerPCs was little endian last time I looked ..."
	176	# endif
	177	#endif
	178
	179	/* HP/PA */
	180	#if defined(__hppa__)
	181	# if (WITH_HOST_BYTE_ORDER == 0)
	182	# undef WITH_HOST_BYTE_ORDER
	183	# define WITH_HOST_BYTE_ORDER BIG_ENDIAN
	184	# endif
	185	# if (WITH_HOST_BYTE_ORDER != BIG_ENDIAN)
	186	# error "HP/PA was big endian last time I looked ..."
	187	# endif
	188	#endif
	189
	190	/* Big endian MIPS */
	191	#if defined(__MIPSEB__)
	192	# if (WITH_HOST_BYTE_ORDER == 0)
	193	# undef WITH_HOST_BYTE_ORDER
	194	# define WITH_HOST_BYTE_ORDER BIG_ENDIAN
	195	# endif
	196	# if (WITH_HOST_BYTE_ORDER != BIG_ENDIAN)
	197	# error "MIPSEB was big endian last time I looked ..."
	198	# endif
	199	#endif
	200
	201	/* Little endian MIPS */
	202	#if defined(__MIPSEL__)
	203	# if (WITH_HOST_BYTE_ORDER == 0)
	204	# undef WITH_HOST_BYTE_ORDER
	205	# define WITH_HOST_BYTE_ORDER LITTLE_ENDIAN
	206	# endif
	207	# if (WITH_HOST_BYTE_ORDER != LITTLE_ENDIAN)
	208	# error "MIPSEL was little endian last time I looked ..."
	209	# endif
	210	#endif
	211
	212	/* Windows NT */
	213	#if defined(__WIN32__)
	214	# if (WITH_HOST_BYTE_ORDER == 0)
	215	# undef WITH_HOST_BYTE_ORDER
	216	# define WITH_HOST_BYTE_ORDER LITTLE_ENDIAN
	217	# endif
	218	# if (WITH_HOST_BYTE_ORDER != LITTLE_ENDIAN)
	219	# error "Windows NT was little endian last time I looked ..."
	220	# endif
221	#endif
222
223	/* Alpha running DEC unix */
224	#if defined(__osf__) && defined(__alpha__)
225	# if (WITH_HOST_BYTE_ORDER == 0)
226	# undef WITH_HOST_BYTE_ORDER
227	# define WITH_HOST_BYTE_ORDER LITTLE_ENDIAN
228	# endif
229	# if (WITH_HOST_BYTE_ORDER != LITTLE_ENDIAN)
230	# error "AXP running DEC unix was little endian last time I looked ..."
231	# endif
232	#endif
233
234
235	/* INSERT HERE - additional hosts that do not have LITTLE_ENDIAN and
236	BIG_ENDIAN definitions available. */
237
238	/* SWAP */
239
4c15ccf7 GK	240	#define SWAP_1 swap_1
	241	#define SWAP_2 swap_2
	242	#define SWAP_4 swap_4
	243	#define SWAP_8 swap_8
c906108c SS	244
	245
	246	/* HOST to BE */
	247
4c15ccf7 GK	248	#define H2BE_1 endian_h2be_1
	249	#define H2BE_2 endian_h2be_2
	250	#define H2BE_4 endian_h2be_4
	251	#define H2BE_8 endian_h2be_8
	252	#define BE2H_1 endian_be2h_1
	253	#define BE2H_2 endian_be2h_2
	254	#define BE2H_4 endian_be2h_4
	255	#define BE2H_8 endian_be2h_8
c906108c SS	256
	257
	258	/* HOST to LE */
	259
4c15ccf7 GK	260	#define H2LE_1 endian_h2le_1
	261	#define H2LE_2 endian_h2le_2
	262	#define H2LE_4 endian_h2le_4
	263	#define H2LE_8 endian_h2le_8
	264	#define LE2H_1 endian_le2h_1
	265	#define LE2H_2 endian_le2h_2
	266	#define LE2H_4 endian_le2h_4
	267	#define LE2H_8 endian_le2h_8
c906108c SS	268
	269
	270	/* HOST to TARGET */
	271
4c15ccf7 GK	272	#define H2T_1 endian_h2t_1
	273	#define H2T_2 endian_h2t_2
	274	#define H2T_4 endian_h2t_4
	275	#define H2T_8 endian_h2t_8
	276	#define T2H_1 endian_t2h_1
	277	#define T2H_2 endian_t2h_2
	278	#define T2H_4 endian_t2h_4
	279	#define T2H_8 endian_t2h_8
c906108c SS	280
	281
	282	/* CONVERT IN PLACE
	283
	284	These macros, given an argument of unknown size, swap its value in
	285	place if a host/target conversion is required. */
	286
	287	#define H2T(VARIABLE) \
	288	do { \
	289	switch (sizeof(VARIABLE)) { \
	290	case 1: VARIABLE = H2T_1(VARIABLE); break; \
	291	case 2: VARIABLE = H2T_2(VARIABLE); break; \
	292	case 4: VARIABLE = H2T_4(VARIABLE); break; \
	293	case 8: VARIABLE = H2T_8(VARIABLE); break; \
	294	} \
	295	} while (0)
	296
	297	#define T2H(VARIABLE) \
	298	do { \
	299	switch (sizeof(VARIABLE)) { \
	300	case 1: VARIABLE = T2H_1(VARIABLE); break; \
	301	case 2: VARIABLE = T2H_2(VARIABLE); break; \
	302	case 4: VARIABLE = T2H_4(VARIABLE); break; \
	303	case 8: VARIABLE = T2H_8(VARIABLE); break; \
	304	} \
	305	} while (0)
	306
	307	#define SWAP(VARIABLE) \
	308	do { \
	309	switch (sizeof(VARIABLE)) { \
	310	case 1: VARIABLE = SWAP_1(VARIABLE); break; \
	311	case 2: VARIABLE = SWAP_2(VARIABLE); break; \
	312	case 4: VARIABLE = SWAP_4(VARIABLE); break; \
	313	case 8: VARIABLE = SWAP_8(VARIABLE); break; \
	314	} \
	315	} while (0)
	316
	317	#define H2BE(VARIABLE) \
	318	do { \
	319	switch (sizeof(VARIABLE)) { \
	320	case 1: VARIABLE = H2BE_1(VARIABLE); break; \
	321	case 2: VARIABLE = H2BE_2(VARIABLE); break; \
	322	case 4: VARIABLE = H2BE_4(VARIABLE); break; \
	323	case 8: VARIABLE = H2BE_8(VARIABLE); break; \
	324	} \
	325	} while (0)
	326
	327	#define BE2H(VARIABLE) \
	328	do { \
	329	switch (sizeof(VARIABLE)) { \
	330	case 1: VARIABLE = BE2H_1(VARIABLE); break; \
	331	case 2: VARIABLE = BE2H_2(VARIABLE); break; \
	332	case 4: VARIABLE = BE2H_4(VARIABLE); break; \
	333	case 8: VARIABLE = BE2H_8(VARIABLE); break; \
	334	} \
	335	} while (0)
	336
	337	#define H2LE(VARIABLE) \
	338	do { \
	339	switch (sizeof(VARIABLE)) { \
	340	case 1: VARIABLE = H2LE_1(VARIABLE); break; \
	341	case 2: VARIABLE = H2LE_2(VARIABLE); break; \
	342	case 4: VARIABLE = H2LE_4(VARIABLE); break; \
	343	case 8: VARIABLE = H2LE_8(VARIABLE); break; \
344	} \
345	} while (0)
346
347	#define LE2H(VARIABLE) \
348	do { \
349	switch (sizeof(VARIABLE)) { \
350	case 1: VARIABLE = LE2H_1(VARIABLE); break; \
351	case 2: VARIABLE = LE2H_2(VARIABLE); break; \
352	case 4: VARIABLE = LE2H_4(VARIABLE); break; \
353	case 8: VARIABLE = LE2H_8(VARIABLE); break; \
354	} \
355	} while (0)
356
357
358
359	/* TARGET WORD:
360
361	Byte swap a quantity the size of the targets word */
362
363	#if (WITH_TARGET_WORD_BITSIZE == 64)
4c15ccf7 GK	364	#define H2T_word H2T_8
	365	#define T2H_word T2H_8
	366	#define H2BE_word H2BE_8
	367	#define BE2H_word BE2H_8
	368	#define H2LE_word H2LE_8
	369	#define LE2H_word LE2H_8
	370	#define SWAP_word SWAP_8
c906108c SS	371	#endif
c906108c SS	372	#if (WITH_TARGET_WORD_BITSIZE == 32)
4c15ccf7 GK	373	#define H2T_word H2T_4
	374	#define T2H_word T2H_4
	375	#define H2BE_word H2BE_4
	376	#define BE2H_word BE2H_4
	377	#define H2LE_word H2LE_4
	378	#define LE2H_word LE2H_4
	379	#define SWAP_word SWAP_4
c906108c SS	380	#endif
	381
	382
	383	/* TARGET CELL:
	384
	385	Byte swap a quantity the size of the targets IEEE 1275 memory cell */
	386
4c15ccf7 GK	387	#define H2T_cell H2T_4
	388	#define T2H_cell T2H_4
	389	#define H2BE_cell H2BE_4
	390	#define BE2H_cell BE2H_4
	391	#define H2LE_cell H2LE_4
	392	#define LE2H_cell LE2H_4
	393	#define SWAP_cell SWAP_4
c906108c SS	394
	395
	396	#if (SIM_ENDIAN_INLINE & INCLUDE_MODULE)
	397	# include "sim-endian.c"
	398	#endif
	399
	400	#endif /* _SIM_ENDIAN_H_ */