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* param-no-tm.h: Make BITS_BIG_ENDIAN defined to 0/1, not defined

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or not defined.  Don't define it based on TARGET_BYTE_ORDER if
	it's already defined (in the tm.h file).
	mips-opcode.h (BIT_FIELDS_*),
	values.c (modify_field, unpack_field_as_long):
	Use #if BITS_BIG_ENDIAN not #ifdef BITS_BIG_ENDIAN.
This commit is contained in:
Jim Kingdon 1991-04-29 05:27:04 +00:00
parent 5d98a45f63
commit 122ad9abf2
3 changed files with 8 additions and 6 deletions
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2
gdb/mips-opcode.h
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@ -21,7 +21,7 @@ You should have received a copy of the GNU General Public License
along with GDB; see the file COPYING. If not, write to along with GDB; see the file COPYING. If not, write to
the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
#ifdef BITS_BIG_ENDIAN #if BITS_BIG_ENDIAN
#define BIT_FIELDS_2(a,b) a;b; #define BIT_FIELDS_2(a,b) a;b;
#define BIT_FIELDS_4(a,b,c,d) a;b;c;d; #define BIT_FIELDS_4(a,b,c,d) a;b;c;d;
#define BIT_FIELDS_6(a,b,c,d,e,f) a;b;c;d;e;f; #define BIT_FIELDS_6(a,b,c,d,e,f) a;b;c;d;e;f;

8
gdb/param-no-tm.h
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@ -36,13 +36,15 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
debugging symbols and such. Conceptually, it's quite separate debugging symbols and such. Conceptually, it's quite separate
from byte/word byte order. */ from byte/word byte order. */
#if !defined (BITS_BIG_ENDIAN)
#if TARGET_BYTE_ORDER == BIG_ENDIAN #if TARGET_BYTE_ORDER == BIG_ENDIAN
#define BITS_BIG_ENDIAN 1 #define BITS_BIG_ENDIAN 1
#endif #endif /* Big endian. */
#if TARGET_BYTE_ORDER == LITTLE_ENDIAN #if TARGET_BYTE_ORDER == LITTLE_ENDIAN
/*#define BITS_BIG_ENDIAN */ #define BITS_BIG_ENDIAN 0
#endif #endif /* Little endian. */
#endif /* BITS_BIG_ENDIAN not defined. */
/* Swap LEN bytes at BUFFER between target and host byte-order. */ /* Swap LEN bytes at BUFFER between target and host byte-order. */
#if TARGET_BYTE_ORDER == HOST_BYTE_ORDER #if TARGET_BYTE_ORDER == HOST_BYTE_ORDER

4
gdb/values.c
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@ -1277,7 +1277,7 @@ unpack_field_as_long (type, valaddr, fieldno)
SWAP_TARGET_AND_HOST (&val, sizeof val); SWAP_TARGET_AND_HOST (&val, sizeof val);
/* Extracting bits depends on endianness of the machine. */ /* Extracting bits depends on endianness of the machine. */
#ifdef BITS_BIG_ENDIAN #if BITS_BIG_ENDIAN
val = val >> (sizeof val * 8 - bitpos % 8 - bitsize); val = val >> (sizeof val * 8 - bitpos % 8 - bitsize);
#else #else
val = val >> (bitpos % 8); val = val >> (bitpos % 8);
@ -1309,7 +1309,7 @@ modify_field (addr, fieldval, bitpos, bitsize)
SWAP_TARGET_AND_HOST (&oword, sizeof oword); /* To host format */ SWAP_TARGET_AND_HOST (&oword, sizeof oword); /* To host format */
/* Shifting for bit field depends on endianness of the target machine. */ /* Shifting for bit field depends on endianness of the target machine. */
#ifdef BITS_BIG_ENDIAN #if BITS_BIG_ENDIAN
bitpos = sizeof (oword) * 8 - bitpos - bitsize; bitpos = sizeof (oword) * 8 - bitpos - bitsize;
#endif #endif