| /* Parameters for hosting on a Hewlett-Packard 9000/300, running bsd. |
| Copyright 1986, 1987, 1989, 1991, 1992, 1993, 1995, 1996, 2000, 2001 |
| 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., 59 Temple Place - Suite 330, |
| Boston, MA 02111-1307, USA. */ |
| |
| /* |
| * Configuration file for HP9000/300 series machine running |
| * University of Utah's 4.3bsd (or 4.4BSD) port. This is NOT for HP-UX. |
| * Problems to hpbsd-bugs@cs.utah.edu |
| */ |
| |
| #include <sys/param.h> /* For INT_MIN */ |
| |
| /* Kernel is a bit tenacious about sharing text segments, disallowing bpts. */ |
| #define ONE_PROCESS_WRITETEXT |
| |
| /* Interface definitions for kernel debugger KDB. */ |
| |
| /* Map machine fault codes into signal numbers. |
| First subtract 0, divide by 4, then index in a table. |
| Faults for which the entry in this table is 0 |
| are not handled by KDB; the program's own trap handler |
| gets to handle then. */ |
| |
| #define FAULT_CODE_ORIGIN 0 |
| #define FAULT_CODE_UNITS 4 |
| #define FAULT_TABLE \ |
| { 0, 0, 0, 0, SIGTRAP, 0, 0, 0, \ |
| 0, SIGTRAP, 0, 0, 0, 0, 0, SIGKILL, \ |
| 0, 0, 0, 0, 0, 0, 0, 0, \ |
| SIGILL } |
| |
| /* Start running with a stack stretching from BEG to END. |
| BEG and END should be symbols meaningful to the assembler. |
| This is used only for kdb. */ |
| |
| #define INIT_STACK(beg, end) \ |
| { asm (".globl end"); \ |
| asm ("movel #end, sp"); \ |
| asm ("movel #0,a6"); } |
| |
| /* Push the frame pointer register on the stack. */ |
| #define PUSH_FRAME_PTR \ |
| asm ("movel a6,sp@-"); |
| |
| /* Copy the top-of-stack to the frame pointer register. */ |
| #define POP_FRAME_PTR \ |
| asm ("movl sp@,a6"); |
| |
| /* After KDB is entered by a fault, push all registers |
| that GDB thinks about (all NUM_REGS of them), |
| so that they appear in order of ascending GDB register number. |
| The fault code will be on the stack beyond the last register. */ |
| |
| #define PUSH_REGISTERS \ |
| { asm ("clrw -(sp)"); \ |
| asm ("pea sp@(10)"); \ |
| asm ("movem #0xfffe,sp@-"); } |
| |
| /* Assuming the registers (including processor status) have been |
| pushed on the stack in order of ascending GDB register number, |
| restore them and return to the address in the saved PC register. */ |
| |
| #define POP_REGISTERS \ |
| { asm ("subil #8,sp@(28)"); \ |
| asm ("movem sp@,#0xffff"); \ |
| asm ("rte"); } |