projects / deliverable / binutils-gdb.git / blame
| Commit | Line | Data |
|---|---|---|
| dd3b648e RP |
1 | /* Copyright (C) 1990 Free Software Foundation, Inc. |
| 2 | ||
| 3 | This file is part of GDB. | |
| 4 | ||
| 99a7de40 | 5 | This program is free software; you can redistribute it and/or modify |
| dd3b648e | 6 | it under the terms of the GNU General Public License as published by |
| 99a7de40 JG |
7 | the Free Software Foundation; either version 2 of the License, or |
| 8 | (at your option) any later version. | |
| dd3b648e | 9 | |
| 99a7de40 | 10 | This program is distributed in the hope that it will be useful, |
| dd3b648e RP |
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 | |
| 99a7de40 JG |
16 | along with this program; if not, write to the Free Software |
| 17 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ | |
| dd3b648e RP |
18 | |
| 19 | #if !defined (PARAM_H) | |
| 20 | #define PARAM_H 1 | |
| 21 | ||
| 22 | /* DO NOT #include "tm.h" -- a particular tm file has been inc'd by caller */ | |
| 23 | ||
| 24 | #include "xm.h" | |
| 25 | ||
| 26 | /* TARGET_BYTE_ORDER and HOST_BYTE_ORDER should be defined to one of these. */ | |
| 27 | #if !defined (BIG_ENDIAN) | |
| 28 | #define BIG_ENDIAN 4321 | |
| 29 | #endif | |
| 30 | ||
| 31 | #if !defined (LITTLE_ENDIAN) | |
| 32 | #define LITTLE_ENDIAN 1234 | |
| 33 | #endif | |
| 34 | ||
| 35 | /* The bit byte-order has to do just with numbering of bits in | |
| 36 | debugging symbols and such. Conceptually, it's quite separate | |
| 37 | from byte/word byte order. */ | |
| 38 | ||
| 122ad9ab | 39 | #if !defined (BITS_BIG_ENDIAN) |
| dd3b648e RP |
40 | #if TARGET_BYTE_ORDER == BIG_ENDIAN |
| 41 | #define BITS_BIG_ENDIAN 1 | |
| 122ad9ab | 42 | #endif /* Big endian. */ |
| dd3b648e RP |
43 | |
| 44 | #if TARGET_BYTE_ORDER == LITTLE_ENDIAN | |
| 122ad9ab JK |
45 | #define BITS_BIG_ENDIAN 0 |
| 46 | #endif /* Little endian. */ | |
| 47 | #endif /* BITS_BIG_ENDIAN not defined. */ | |
| dd3b648e RP |
48 | |
| 49 | /* Swap LEN bytes at BUFFER between target and host byte-order. */ | |
| 50 | #if TARGET_BYTE_ORDER == HOST_BYTE_ORDER | |
| 51 | #define SWAP_TARGET_AND_HOST(buffer,len) | |
| 52 | #else /* Target and host byte order differ. */ | |
| 53 | #define SWAP_TARGET_AND_HOST(buffer,len) \ | |
| 54 | { \ | |
| 55 | char tmp; \ | |
| 56 | char *p = (char *)(buffer); \ | |
| 57 | char *q = ((char *)(buffer)) + len - 1; \ | |
| 58 | for (; p < q; p++, q--) \ | |
| 59 | { \ | |
| 60 | tmp = *q; \ | |
| 61 | *q = *p; \ | |
| 62 | *p = tmp; \ | |
| 63 | } \ | |
| 64 | } | |
| 65 | #endif /* Target and host byte order differ. */ | |
| 66 | ||
| 67 | /* On some machines there are bits in addresses which are not really | |
| 68 | part of the address, but are used by the kernel, the hardware, etc. | |
| 69 | for special purposes. ADDR_BITS_REMOVE takes out any such bits | |
| 70 | so we get a "real" address such as one would find in a symbol | |
| 71 | table. ADDR_BITS_SET sets those bits the way the system wants | |
| 72 | them. */ | |
| 73 | #if !defined (ADDR_BITS_REMOVE) | |
| 74 | #define ADDR_BITS_REMOVE(addr) (addr) | |
| 75 | #define ADDR_BITS_SET(addr) (addr) | |
| 76 | #endif /* No ADDR_BITS_REMOVE. */ | |
| 77 | ||
| ff8aef19 JK |
78 | #if !defined (SYS_SIGLIST_MISSING) |
| 79 | #define SYS_SIGLIST_MISSING defined (USG) | |
| 80 | #endif /* No SYS_SIGLIST_MISSING */ | |
| 81 | ||
| dd3b648e | 82 | #endif /* param.h not already included. */ |