projects / deliverable / binutils-gdb.git / blame
| Commit | Line | Data |
|---|---|---|
| c906108c SS |
1 | /* Macro definitions for i386 running under BSD Unix. |
| 2 | Copyright 1986, 1987, 1989, 1991, 1992, 1993 Free Software Foundation, Inc. | |
| 3 | ||
| 4 | ||
| 5 | This program is free software; you can redistribute it and/or modify | |
| 6 | it under the terms of the GNU General Public License as published by | |
| 7 | the Free Software Foundation; either version 2 of the License, or | |
| 8 | (at your option) any later version. | |
| 9 | ||
| 10 | This program is distributed in the hope that it will be useful, | |
| 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 | |
| 16 | along with this program; if not, write to the Free Software | |
| 17 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ | |
| 18 | ||
| 19 | #ifndef TM_I386OS9K_H | |
| 20 | #define TM_I386OS9K_H 1 | |
| 21 | ||
| 22 | #include "i386/tm-i386.h" | |
| 23 | ||
| 24 | /* Number of machine registers */ | |
| 25 | ||
| 26 | #undef NUM_REGS | |
| 27 | #define NUM_REGS (16) /* Basic i*86 regs */ | |
| 28 | ||
| 29 | /* Initializer for an array of names of registers. There should be at least | |
| 30 | NUM_REGS strings in this initializer. Any excess ones are simply ignored. | |
| 31 | The order of the first 8 registers must match the compiler's numbering | |
| 32 | scheme (which is the same as the 386 scheme) and also regmap in the various | |
| 33 | *-nat.c files. */ | |
| 34 | ||
| 35 | #undef REGISTER_NAMES | |
| 36 | #define REGISTER_NAMES { "eax", "ecx", "edx", "ebx", \ | |
| 37 | "esp", "ebp", "esi", "edi", \ | |
| 38 | "eip", "eflags", "cs", "ss", \ | |
| 39 | "ds", "es", "fs", "gs", \ | |
| 40 | } | |
| 41 | ||
| 42 | #define DATABASE_REG 3 /* ebx */ | |
| 43 | ||
| 44 | /* Amount PC must be decremented by after a breakpoint. This is often the | |
| 45 | number of bytes in BREAKPOINT but not always (such as now). */ | |
| 46 | ||
| 47 | #undef DECR_PC_AFTER_BREAK | |
| 48 | #define DECR_PC_AFTER_BREAK 0 | |
| 49 | ||
| 50 | /* On 386 bsd, sigtramp is above the user stack and immediately below | |
| 51 | the user area. Using constants here allows for cross debugging. | |
| 52 | These are tested for BSDI but should work on 386BSD. */ | |
| 53 | #define SIGTRAMP_START(pc) 0xfdbfdfc0 | |
| 54 | #define SIGTRAMP_END(pc) 0xfdbfe000 | |
| 55 | ||
| 56 | /* Saved Pc. Get it from sigcontext if within sigtramp. */ | |
| 57 | ||
| 58 | /* Offset to saved PC in sigcontext, from <sys/signal.h>. */ | |
| 59 | #define SIGCONTEXT_PC_OFFSET 20 | |
| 60 | ||
| 61 | #define BELIEVE_PCC_PROMOTION 1 | |
| 62 | ||
| 63 | #endif /* #ifndef TM_I386OS9K_H */ |