// 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"); }