| /* Macro definitions for i386 running under BSD Unix. |
| Copyright 1986, 1987, 1989, 1991, 1992, 1993, 1994, 1995, 1996 |
| Free Software Foundation, Inc. |
| |
| |
| 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., 59 Temple Place - Suite 330, |
| Boston, MA 02111-1307, USA. */ |
| |
| #ifndef TM_I386OS9K_H |
| #define TM_I386OS9K_H 1 |
| |
| #include "i386/tm-i386.h" |
| |
| /* Number of machine registers */ |
| |
| #undef NUM_REGS |
| #define NUM_REGS (16) /* Basic i*86 regs */ |
| |
| /* Initializer for an array of names of registers. There should be at least |
| NUM_REGS strings in this initializer. Any excess ones are simply ignored. |
| The order of the first 8 registers must match the compiler's numbering |
| scheme (which is the same as the 386 scheme) and also regmap in the various |
| *-nat.c files. */ |
| |
| #undef REGISTER_NAME |
| #define REGISTER_NAMES { "eax", "ecx", "edx", "ebx", \ |
| "esp", "ebp", "esi", "edi", \ |
| "eip", "eflags", "cs", "ss", \ |
| "ds", "es", "fs", "gs", \ |
| } |
| |
| #define DATABASE_REG 3 /* ebx */ |
| |
| /* Amount PC must be decremented by after a breakpoint. This is often the |
| number of bytes in BREAKPOINT but not always (such as now). */ |
| |
| #undef DECR_PC_AFTER_BREAK |
| #define DECR_PC_AFTER_BREAK 0 |
| |
| /* On 386 bsd, sigtramp is above the user stack and immediately below |
| the user area. Using constants here allows for cross debugging. |
| These are tested for BSDI but should work on 386BSD. */ |
| #define SIGTRAMP_START(pc) 0xfdbfdfc0 |
| #define SIGTRAMP_END(pc) 0xfdbfe000 |
| |
| /* Saved Pc. Get it from sigcontext if within sigtramp. */ |
| |
| /* Offset to saved PC in sigcontext, from <sys/signal.h>. */ |
| #define SIGCONTEXT_PC_OFFSET 20 |
| |
| #define BELIEVE_PCC_PROMOTION 1 |
| |
| #endif /* #ifndef TM_I386OS9K_H */ |