83 lines
2.7 KiB
C
Executable File
83 lines
2.7 KiB
C
Executable File
/* Copyright (C) 1990 Free Software Foundation, Inc.
|
|
|
|
This file is part of GDB.
|
|
|
|
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., 675 Mass Ave, Cambridge, MA 02139, USA. */
|
|
|
|
#if !defined (PARAM_H)
|
|
#define PARAM_H 1
|
|
|
|
/* DO NOT #include "tm.h" -- a particular tm file has been inc'd by caller */
|
|
|
|
#include "xm.h"
|
|
|
|
/* TARGET_BYTE_ORDER and HOST_BYTE_ORDER should be defined to one of these. */
|
|
#if !defined (BIG_ENDIAN)
|
|
#define BIG_ENDIAN 4321
|
|
#endif
|
|
|
|
#if !defined (LITTLE_ENDIAN)
|
|
#define LITTLE_ENDIAN 1234
|
|
#endif
|
|
|
|
/* The bit byte-order has to do just with numbering of bits in
|
|
debugging symbols and such. Conceptually, it's quite separate
|
|
from byte/word byte order. */
|
|
|
|
#if !defined (BITS_BIG_ENDIAN)
|
|
#if TARGET_BYTE_ORDER == BIG_ENDIAN
|
|
#define BITS_BIG_ENDIAN 1
|
|
#endif /* Big endian. */
|
|
|
|
#if TARGET_BYTE_ORDER == LITTLE_ENDIAN
|
|
#define BITS_BIG_ENDIAN 0
|
|
#endif /* Little endian. */
|
|
#endif /* BITS_BIG_ENDIAN not defined. */
|
|
|
|
/* Swap LEN bytes at BUFFER between target and host byte-order. */
|
|
#if TARGET_BYTE_ORDER == HOST_BYTE_ORDER
|
|
#define SWAP_TARGET_AND_HOST(buffer,len)
|
|
#else /* Target and host byte order differ. */
|
|
#define SWAP_TARGET_AND_HOST(buffer,len) \
|
|
{ \
|
|
char tmp; \
|
|
char *p = (char *)(buffer); \
|
|
char *q = ((char *)(buffer)) + len - 1; \
|
|
for (; p < q; p++, q--) \
|
|
{ \
|
|
tmp = *q; \
|
|
*q = *p; \
|
|
*p = tmp; \
|
|
} \
|
|
}
|
|
#endif /* Target and host byte order differ. */
|
|
|
|
/* On some machines there are bits in addresses which are not really
|
|
part of the address, but are used by the kernel, the hardware, etc.
|
|
for special purposes. ADDR_BITS_REMOVE takes out any such bits
|
|
so we get a "real" address such as one would find in a symbol
|
|
table. ADDR_BITS_SET sets those bits the way the system wants
|
|
them. */
|
|
#if !defined (ADDR_BITS_REMOVE)
|
|
#define ADDR_BITS_REMOVE(addr) (addr)
|
|
#define ADDR_BITS_SET(addr) (addr)
|
|
#endif /* No ADDR_BITS_REMOVE. */
|
|
|
|
#if !defined (SYS_SIGLIST_MISSING)
|
|
#define SYS_SIGLIST_MISSING defined (USG)
|
|
#endif /* No SYS_SIGLIST_MISSING */
|
|
|
|
#endif /* param.h not already included. */
|