81 lines
2.6 KiB
C
Executable File
81 lines
2.6 KiB
C
Executable File
/* Copyright (C) 1990 Free Software Foundation, Inc.
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This file is part of GDB.
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GDB is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 1, or (at your option)
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any later version.
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GDB is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GDB; see the file COPYING. If not, write to
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the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
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#if !defined (PARAM_H)
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#define PARAM_H 1
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/* DO NOT #include "tm.h" -- a particular tm file has been inc'd by caller */
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#include "xm.h"
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/* TARGET_BYTE_ORDER and HOST_BYTE_ORDER should be defined to one of these. */
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#if !defined (BIG_ENDIAN)
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#define BIG_ENDIAN 4321
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#endif
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#if !defined (LITTLE_ENDIAN)
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#define LITTLE_ENDIAN 1234
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#endif
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/* The bit byte-order has to do just with numbering of bits in
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debugging symbols and such. Conceptually, it's quite separate
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from byte/word byte order. */
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#if TARGET_BYTE_ORDER == BIG_ENDIAN
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#define BITS_BIG_ENDIAN 1
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#endif
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#if TARGET_BYTE_ORDER == LITTLE_ENDIAN
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/*#define BITS_BIG_ENDIAN */
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#endif
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/* Swap LEN bytes at BUFFER between target and host byte-order. */
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#if TARGET_BYTE_ORDER == HOST_BYTE_ORDER
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#define SWAP_TARGET_AND_HOST(buffer,len)
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#else /* Target and host byte order differ. */
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#define SWAP_TARGET_AND_HOST(buffer,len) \
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{ \
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char tmp; \
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char *p = (char *)(buffer); \
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char *q = ((char *)(buffer)) + len - 1; \
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for (; p < q; p++, q--) \
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{ \
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tmp = *q; \
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*q = *p; \
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*p = tmp; \
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} \
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}
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#endif /* Target and host byte order differ. */
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/* On some machines there are bits in addresses which are not really
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part of the address, but are used by the kernel, the hardware, etc.
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for special purposes. ADDR_BITS_REMOVE takes out any such bits
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so we get a "real" address such as one would find in a symbol
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table. ADDR_BITS_SET sets those bits the way the system wants
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them. */
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#if !defined (ADDR_BITS_REMOVE)
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#define ADDR_BITS_REMOVE(addr) (addr)
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#define ADDR_BITS_SET(addr) (addr)
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#endif /* No ADDR_BITS_REMOVE. */
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#if !defined (SYS_SIGLIST_MISSING)
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#define SYS_SIGLIST_MISSING defined (USG)
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#endif /* No SYS_SIGLIST_MISSING */
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#endif /* param.h not already included. */
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