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
+ 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,
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.
+ along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _SIM_ENDIAN_H_
#define _SIM_ENDIAN_H_
-#ifndef INLINE_SIM_ENDIAN
-#define INLINE_SIM_ENDIAN
-#endif
-
/* C byte conversion functions */
-INLINE_SIM_ENDIAN unsigned_1 endian_h2t_1(unsigned_1 x);
-INLINE_SIM_ENDIAN unsigned_2 endian_h2t_2(unsigned_2 x);
-INLINE_SIM_ENDIAN unsigned_4 endian_h2t_4(unsigned_4 x);
-INLINE_SIM_ENDIAN unsigned_8 endian_h2t_8(unsigned_8 x);
-
-INLINE_SIM_ENDIAN unsigned_1 endian_t2h_1(unsigned_1 x);
-INLINE_SIM_ENDIAN unsigned_2 endian_t2h_2(unsigned_2 x);
-INLINE_SIM_ENDIAN unsigned_4 endian_t2h_4(unsigned_4 x);
-INLINE_SIM_ENDIAN unsigned_8 endian_t2h_8(unsigned_8 x);
-
-INLINE_SIM_ENDIAN unsigned_1 swap_1(unsigned_1 x);
-INLINE_SIM_ENDIAN unsigned_2 swap_2(unsigned_2 x);
-INLINE_SIM_ENDIAN unsigned_4 swap_4(unsigned_4 x);
-INLINE_SIM_ENDIAN unsigned_8 swap_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.
-
- WITH_NTOH Network byte order macros defined.
- Possible value is 32 or (maybe one
- day 64 because some 64bit network
- byte order macro is defined.
- */
-
-
-/* NetBSD:
-
- NetBSD is easy, everything you could ever want is in a header file
- (well almost :-) */
-
-#if defined(__NetBSD__)
-# include <machine/endian.h>
-# define WITH_NTOH 32 /* what about alpha? */
-# 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 !defined(__alpha__)
-# define WITH_NTOH 32 /* what about alpha? */
-# 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 */
-
+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);
-/* Some hosts don't define LITTLE_ENDIAN or BIG_ENDIAN, help them out */
+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);
-#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
+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);
- Little endian last time I looked */
+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);
-#if defined(i386) || defined(i486) || defined(i586) || defined(__i386__) || defined(__i486__) || defined(__i586__)
-# 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
+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);
-#if (defined (__i486__) || defined (__i586__)) && defined(__GNUC__) && WITH_BSWAP && WITH_NTOH
-#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
+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);
-/* Configure defines WORDS_BIGENDIAN if the host is big endian. */
-#if (WITH_HOST_BYTE_ORDER == 0)
-# undef WITH_HOST_BYTE_ORDER
-# ifdef WORDS_BIGENDIAN
-# define WITH_HOST_BYTE_ORDER BIG_ENDIAN
-# else
-# define WITH_HOST_BYTE_ORDER LITTLE_ENDIAN
-# endif
-#endif
+/* SWAP */
-/* SWAP:
-
- Some times a swap must always be performed, select the most
- effecient method to swap a collection of bytes.
-
- HOST BE sw
- HOST LE sw/ntoh
- HOST ?? sw
-
- */
-
-#if (WITH_HOST_BYTE_ORDER \
- && WITH_NTOH \
- && WITH_HOST_BYTE_ORDER == LITTLE_ENDIAN)
-#define SWAP_1(X) (X)
-#define SWAP_2(X) ntohs(X)
-#define SWAP_4(X) ntohl(X)
-#define SWAP_8(X) swap_8(X)
-#else
-#define SWAP_1(X) (X)
-#define SWAP_2(X) swap_2(X)
-#define SWAP_4(X) swap_4(X)
-#define SWAP_8(X) swap_8(X)
-#endif
+#define SWAP_1 swap_1
+#define SWAP_2 swap_2
+#define SWAP_4 swap_4
+#define SWAP_8 swap_8
-/* CONVERSION:
+/* HOST to BE */
- Convert between host and target byte orders by the most efficient
- method known (if needed at all)
+#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
- TARG BE TARG LE TARG ??
- HOST BE ok swap swap
- HOST LE htohl ok ok|ntohl
- HOST ?? ntohl swap swap
- */
+/* 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
-/* FUNCTIONS:
- Returns the value swapped according to the host/target byte order */
+/* HOST to TARGET */
-/* no need to swap */
-#if (WITH_HOST_BYTE_ORDER \
- && WITH_TARGET_BYTE_ORDER \
- && WITH_HOST_BYTE_ORDER == WITH_TARGET_BYTE_ORDER )
-#define H2T_1(X) (X)
-#define H2T_2(X) (X)
-#define H2T_4(X) (X)
-#define H2T_8(X) (X)
-#define T2H_1(X) (X)
-#define T2H_2(X) (X)
-#define T2H_4(X) (X)
-#define T2H_8(X) (X)
-#endif
+#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
-/* have ntoh and big endian target */
-#if (WITH_TARGET_BYTE_ORDER == BIG_ENDIAN \
- && WITH_HOST_BYTE_ORDER != BIG_ENDIAN \
- && WITH_NTOH)
-#define H2T_8(X) endian_h2t_8(X)
-#define H2T_4(X) htonl(X)
-#define H2T_2(X) htons(X)
-#define H2T_1(X) (X)
-#define T2H_8(X) endian_t2h_8(X)
-#define T2H_4(X) htonl(X)
-#define T2H_2(X) htons(X)
-#define T2H_1(X) (X)
-#endif
-
-/* have ntoh, little host and unknown target */
-#if (WITH_HOST_BYTE_ORDER == LITTLE_ENDIAN \
- && WITH_TARGET_BYTE_ORDER == 0 \
- && WITH_NTOH)
-#define H2T_8(X) (CURRENT_TARGET_BYTE_ORDER == CURRENT_HOST_BYTE_ORDER \
- ? (X) : endian_h2t_8(X))
-#define H2T_4(X) (CURRENT_TARGET_BYTE_ORDER == CURRENT_HOST_BYTE_ORDER \
- ? (X) : htonl(X))
-#define H2T_2(X) (CURRENT_TARGET_BYTE_ORDER == CURRENT_HOST_BYTE_ORDER \
- ? (X) : htons(X))
-#define H2T_1(X) (CURRENT_TARGET_BYTE_ORDER == CURRENT_HOST_BYTE_ORDER \
- ? (X) : (X))
-#define T2H_8(X) (CURRENT_TARGET_BYTE_ORDER == CURRENT_HOST_BYTE_ORDER \
- ? (X) : endian_t2h_8(X))
-#define T2H_4(X) (CURRENT_TARGET_BYTE_ORDER == CURRENT_HOST_BYTE_ORDER \
- ? (X) : htonl(X))
-#define T2H_2(X) (CURRENT_TARGET_BYTE_ORDER == CURRENT_HOST_BYTE_ORDER \
- ? (X) : htons(X))
-#define T2H_1(X) (CURRENT_TARGET_BYTE_ORDER == CURRENT_HOST_BYTE_ORDER \
- ? (X) : (X))
-#endif
-/* if all else fails use software */
-#ifndef H2T_1
-#define H2T_1(X) (X)
-#define H2T_2(X) endian_h2t_2(X)
-#define H2T_4(X) endian_h2t_4(X)
-#define H2T_8(X) endian_h2t_8(X)
-#define T2H_1(X) (X)
-#define T2H_2(X) endian_t2h_2(X)
-#define T2H_4(X) endian_t2h_4(X)
-#define T2H_8(X) endian_t2h_8(X)
-#endif
-
-
-/* CONVERT IN PLACE:
+/* CONVERT IN PLACE
These macros, given an argument of unknown size, swap its value in
place if a host/target conversion is required. */
} \
} 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(X) H2T_8(X)
-#define T2H_word(X) T2H_8(X)
+#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(X) H2T_4(X)
-#define T2H_word(X) T2H_4(X)
+#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_ */
projects / binutils-gdb.git / blobdiff