/* OBSOLETE /* Definitions to make GDB run on an ISI Optimum V (3.05) under 4.3bsd. */ /* OBSOLETE Copyright 1987, 1989, 1992 Free Software Foundation, Inc. */ /* OBSOLETE */ /* OBSOLETE This file is part of GDB. */ /* OBSOLETE */ /* OBSOLETE This program is free software; you can redistribute it and/or modify */ /* OBSOLETE it under the terms of the GNU General Public License as published by */ /* OBSOLETE the Free Software Foundation; either version 2 of the License, or */ /* OBSOLETE (at your option) any later version. */ /* OBSOLETE */ /* OBSOLETE This program is distributed in the hope that it will be useful, */ /* OBSOLETE but WITHOUT ANY WARRANTY; without even the implied warranty of */ /* OBSOLETE MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the */ /* OBSOLETE GNU General Public License for more details. */ /* OBSOLETE */ /* OBSOLETE You should have received a copy of the GNU General Public License */ /* OBSOLETE along with this program; if not, write to the Free Software */ /* OBSOLETE Foundation, Inc., 59 Temple Place - Suite 330, */ /* OBSOLETE Boston, MA 02111-1307, USA. */ */ /* OBSOLETE */ /* OBSOLETE #define HOST_BYTE_ORDER BIG_ENDIAN */ /* OBSOLETE */ /* OBSOLETE /* This has not been tested on ISI's running BSD 4.2, but it will probably */ /* OBSOLETE work. */ */ /* OBSOLETE */ /* OBSOLETE /* This is the amount to subtract from u.u_ar0 */ /* OBSOLETE to get the offset in the core file of the register values. */ */ /* OBSOLETE */ /* OBSOLETE /*#define KERNEL_U_ADDR 0x10800000 */ */ /* OBSOLETE #define KERNEL_U_ADDR 0 */ /* OBSOLETE */ /* OBSOLETE /* expects blockend to be u.u_ar0 */ */ /* OBSOLETE extern int rloc[]; /* Defined in isi-dep.c */ */ /* OBSOLETE #define REGISTER_U_ADDR(addr, blockend, regno) \ */ /* OBSOLETE { blockend &= UPAGES*NBPG - 1; \ */ /* OBSOLETE if (regno < 18) addr = (int)blockend + rloc[regno]*4; \ */ /* OBSOLETE else if (regno < 26) addr = (int) &((struct user *)0)->u_68881_regs \ */ /* OBSOLETE + (regno - 18) * 12; \ */ /* OBSOLETE else if (regno < 29) addr = (int) &((struct user *)0)->u_68881_regs \ */ /* OBSOLETE + 8 * 12 + (regno - 26) * 4; \ */ /* OBSOLETE } */ /* OBSOLETE */ /* OBSOLETE /* Interface definitions for kernel debugger KDB. */ */ /* OBSOLETE */ /* OBSOLETE /* Map machine fault codes into signal numbers. */ /* OBSOLETE First subtract 0, divide by 4, then index in a table. */ /* OBSOLETE Faults for which the entry in this table is 0 */ /* OBSOLETE are not handled by KDB; the program's own trap handler */ /* OBSOLETE gets to handle then. */ */ /* OBSOLETE */ /* OBSOLETE #define FAULT_CODE_ORIGIN 0 */ /* OBSOLETE #define FAULT_CODE_UNITS 4 */ /* OBSOLETE #define FAULT_TABLE \ */ /* OBSOLETE { 0, 0, 0, 0, SIGTRAP, 0, 0, 0, \ */ /* OBSOLETE 0, SIGTRAP, 0, 0, 0, 0, 0, SIGKILL, \ */ /* OBSOLETE 0, 0, 0, 0, 0, 0, 0, 0, \ */ /* OBSOLETE SIGILL } */ /* OBSOLETE */ /* OBSOLETE /* Start running with a stack stretching from BEG to END. */ /* OBSOLETE BEG and END should be symbols meaningful to the assembler. */ /* OBSOLETE This is used only for kdb. */ */ /* OBSOLETE */ /* OBSOLETE #define INIT_STACK(beg, end) \ */ /* OBSOLETE { asm (".globl end"); \ */ /* OBSOLETE asm ("movl $ end, sp"); \ */ /* OBSOLETE asm ("clrl fp"); } */ /* OBSOLETE */ /* OBSOLETE /* Push the frame pointer register on the stack. */ */ /* OBSOLETE #define PUSH_FRAME_PTR \ */ /* OBSOLETE asm ("movel fp, -(sp)"); */ /* OBSOLETE */ /* OBSOLETE /* Copy the top-of-stack to the frame pointer register. */ */ /* OBSOLETE #define POP_FRAME_PTR \ */ /* OBSOLETE asm ("movl (sp), fp"); */ /* OBSOLETE */ /* OBSOLETE /* After KDB is entered by a fault, push all registers */ /* OBSOLETE that GDB thinks about (all NUM_REGS of them), */ /* OBSOLETE so that they appear in order of ascending GDB register number. */ /* OBSOLETE The fault code will be on the stack beyond the last register. */ */ /* OBSOLETE */ /* OBSOLETE #define PUSH_REGISTERS \ */ /* OBSOLETE { asm ("clrw -(sp)"); \ */ /* OBSOLETE asm ("pea 10(sp)"); \ */ /* OBSOLETE asm ("movem $ 0xfffe,-(sp)"); } */ /* OBSOLETE */ /* OBSOLETE /* Assuming the registers (including processor status) have been */ /* OBSOLETE pushed on the stack in order of ascending GDB register number, */ /* OBSOLETE restore them and return to the address in the saved PC register. */ */ /* OBSOLETE */ /* OBSOLETE #define POP_REGISTERS \ */ /* OBSOLETE { asm ("subil $8,28(sp)"); \ */ /* OBSOLETE asm ("movem (sp),$ 0xffff"); \ */ /* OBSOLETE asm ("rte"); } */