| // OBSOLETE /* Parameters for execution on a Sun, for GDB, the GNU debugger. |
| // OBSOLETE Copyright 1986, 1987, 1989, 1996 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 /* 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 ("movel #end, sp"); \ |
| // OBSOLETE asm ("movel #0,a6"); } |
| // OBSOLETE |
| // OBSOLETE /* Push the frame pointer register on the stack. */ |
| // OBSOLETE #define PUSH_FRAME_PTR \ |
| // OBSOLETE asm ("movel a6,sp@-"); |
| // OBSOLETE |
| // OBSOLETE /* Copy the top-of-stack to the frame pointer register. */ |
| // OBSOLETE #define POP_FRAME_PTR \ |
| // OBSOLETE asm ("movl sp@,a6"); |
| // 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 sp@(10)"); \ |
| // 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,sp@(28)"); \ |
| // OBSOLETE asm ("movem sp@,#0xffff"); \ |
| // OBSOLETE asm ("rte"); } |
