/* OBSOLETE /* Definitions to make GDB run on an Altos 3068 (m68k running SVR2) */ /* OBSOLETE Copyright (C) 1987,1989 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, Boston, MA 02111-1307, USA. *x/ */ /* OBSOLETE */ /* OBSOLETE #define HOST_BYTE_ORDER BIG_ENDIAN */ /* OBSOLETE */ /* OBSOLETE /* The altos support would make a good base for a port to other USGR2 systems */ /* OBSOLETE (like the 3b1 and the Convergent miniframe). *x/ */ /* OBSOLETE */ /* OBSOLETE /* This is only needed in one file, but it's cleaner to put it here than */ /* OBSOLETE putting in more #ifdef's. *x/ */ /* OBSOLETE #include */ /* OBSOLETE #include */ /* OBSOLETE */ /* OBSOLETE #define USG */ /* OBSOLETE */ /* OBSOLETE #define HAVE_TERMIO */ /* OBSOLETE */ /* OBSOLETE #define CBREAK XTABS /* It takes all kinds... *x/ */ /* OBSOLETE */ /* OBSOLETE #ifndef R_OK */ /* OBSOLETE #define R_OK 4 */ /* OBSOLETE #define W_OK 2 */ /* OBSOLETE #define X_OK 1 */ /* OBSOLETE #define F_OK 0 */ /* OBSOLETE #endif */ /* OBSOLETE */ /* OBSOLETE /* Get sys/wait.h ie. from a Sun and edit it a little (mc68000 to m68k) *x/ */ /* OBSOLETE /* Why bother? *x/ */ /* OBSOLETE #if 0 */ /* OBSOLETE #define HAVE_WAIT_STRUCT */ /* OBSOLETE #endif */ /* 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. *x/ */ /* OBSOLETE */ /* OBSOLETE #define KERNEL_U_ADDR 0x1fbf000 */ /* OBSOLETE */ /* OBSOLETE #define REGISTER_U_ADDR(addr, blockend, regno) \ */ /* OBSOLETE { if (regno <= SP_REGNUM) \ */ /* OBSOLETE addr = blockend + regno * 4; \ */ /* OBSOLETE else if (regno == PS_REGNUM) \ */ /* OBSOLETE addr = blockend + regno * 4 + 4; \ */ /* OBSOLETE else if (regno == PC_REGNUM) \ */ /* OBSOLETE addr = blockend + regno * 4 + 2; \ */ /* OBSOLETE } */ /* OBSOLETE */ /* OBSOLETE #define REGISTER_ADDR(u_ar0, regno) \ */ /* OBSOLETE (((regno) < PS_REGNUM) \ */ /* OBSOLETE ? (&((struct exception_stack *) (u_ar0))->e_regs[(regno + R0)]) \ */ /* OBSOLETE : (((regno) == PS_REGNUM) \ */ /* OBSOLETE ? ((int *) (&((struct exception_stack *) (u_ar0))->e_PS)) \ */ /* OBSOLETE : (&((struct exception_stack *) (u_ar0))->e_PC))) */ /* OBSOLETE */ /* OBSOLETE #define FP_REGISTER_ADDR(u, regno) \ */ /* OBSOLETE (((char *) \ */ /* OBSOLETE (((regno) < FPC_REGNUM) \ */ /* OBSOLETE ? (&u.u_pcb.pcb_mc68881[FMC68881_R0 + (((regno) - FP0_REGNUM) * 3)]) \ */ /* OBSOLETE : (&u.u_pcb.pcb_mc68881[FMC68881_C + ((regno) - FPC_REGNUM)]))) \ */ /* OBSOLETE - ((char *) (& u))) */ /* OBSOLETE */ /* OBSOLETE */ /* OBSOLETE #ifndef __GNUC__ */ /* OBSOLETE #undef USE_GAS */ /* OBSOLETE #define ALTOS_AS */ /* OBSOLETE #else */ /* OBSOLETE #define USE_GAS */ /* OBSOLETE #endif */ /* OBSOLETE */ /* OBSOLETE /* Motorola assembly format *x/ */ /* OBSOLETE #if !defined(USE_GAS) && !defined(ALTOS) */ /* OBSOLETE #define MOTOROLA */ /* OBSOLETE #endif */ /* OBSOLETE */ /* OBSOLETE /* Interface definitions for kernel debugger KDB. *x/ */ /* 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. *x/ */ /* 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. *x/ */ /* OBSOLETE */ /* OBSOLETE #ifdef MOTOROLA */ /* OBSOLETE #define INIT_STACK(beg, end) \ */ /* OBSOLETE { asm (".globl end"); \ */ /* OBSOLETE asm ("move.l $ end, sp"); \ */ /* OBSOLETE asm ("clr.l fp"); } */ /* OBSOLETE #else */ /* OBSOLETE #ifdef ALTOS_AS */ /* OBSOLETE #define INIT_STACK(beg, end) \ */ /* OBSOLETE { asm ("global end"); \ */ /* OBSOLETE asm ("mov.l &end,%sp"); \ */ /* OBSOLETE asm ("clr.l %fp"); } */ /* OBSOLETE #else */ /* OBSOLETE #define INIT_STACK(beg, end) \ */ /* OBSOLETE { asm (".globl end"); \ */ /* OBSOLETE asm ("movel $ end, sp"); \ */ /* OBSOLETE asm ("clrl fp"); } */ /* OBSOLETE #endif */ /* OBSOLETE #endif */ /* OBSOLETE */ /* OBSOLETE /* Push the frame pointer register on the stack. *x/ */ /* OBSOLETE #ifdef MOTOROLA */ /* OBSOLETE #define PUSH_FRAME_PTR \ */ /* OBSOLETE asm ("move.l fp, -(sp)"); */ /* OBSOLETE #else */ /* OBSOLETE #ifdef ALTOS_AS */ /* OBSOLETE #define PUSH_FRAME_PTR \ */ /* OBSOLETE asm ("mov.l %fp, -(%sp)"); */ /* OBSOLETE #else */ /* OBSOLETE #define PUSH_FRAME_PTR \ */ /* OBSOLETE asm ("movel fp, -(sp)"); */ /* OBSOLETE #endif */ /* OBSOLETE #endif */ /* OBSOLETE */ /* OBSOLETE /* Copy the top-of-stack to the frame pointer register. *x/ */ /* OBSOLETE #ifdef MOTOROLA */ /* OBSOLETE #define POP_FRAME_PTR \ */ /* OBSOLETE asm ("move.l (sp), fp"); */ /* OBSOLETE #else */ /* OBSOLETE #ifdef ALTOS_AS */ /* OBSOLETE #define POP_FRAME_PTR \ */ /* OBSOLETE asm ("mov.l (%sp), %fp"); */ /* OBSOLETE #else */ /* OBSOLETE #define POP_FRAME_PTR \ */ /* OBSOLETE asm ("movl (sp), fp"); */ /* OBSOLETE #endif */ /* OBSOLETE #endif */ /* 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. *x/ */ /* OBSOLETE */ /* OBSOLETE #ifdef MOTOROLA */ /* OBSOLETE #define PUSH_REGISTERS \ */ /* OBSOLETE { asm ("clr.w -(sp)"); \ */ /* OBSOLETE asm ("pea (10,sp)"); \ */ /* OBSOLETE asm ("movem $ 0xfffe,-(sp)"); } */ /* OBSOLETE #else */ /* OBSOLETE #ifdef ALTOS_AS */ /* OBSOLETE #define PUSH_REGISTERS \ */ /* OBSOLETE { asm ("clr.w -(%sp)"); \ */ /* OBSOLETE asm ("pea (10,%sp)"); \ */ /* OBSOLETE asm ("movm.l &0xfffe,-(%sp)"); } */ /* OBSOLETE #else */ /* OBSOLETE #define PUSH_REGISTERS \ */ /* OBSOLETE { asm ("clrw -(sp)"); \ */ /* OBSOLETE asm ("pea 10(sp)"); \ */ /* OBSOLETE asm ("movem $ 0xfffe,-(sp)"); } */ /* OBSOLETE #endif */ /* OBSOLETE #endif */ /* 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. *x/ */ /* OBSOLETE */ /* OBSOLETE #ifdef MOTOROLA */ /* OBSOLETE #define POP_REGISTERS \ */ /* OBSOLETE { asm ("subi.l $8,28(sp)"); \ */ /* OBSOLETE asm ("movem (sp),$ 0xffff"); \ */ /* OBSOLETE asm ("rte"); } */ /* OBSOLETE #else */ /* OBSOLETE #ifdef ALTOS_AS */ /* OBSOLETE #define POP_REGISTERS \ */ /* OBSOLETE { asm ("sub.l &8,28(%sp)"); \ */ /* OBSOLETE asm ("movem (%sp),&0xffff"); \ */ /* OBSOLETE asm ("rte"); } */ /* OBSOLETE #else */ /* OBSOLETE #define POP_REGISTERS \ */ /* OBSOLETE { asm ("subil $8,28(sp)"); \ */ /* OBSOLETE asm ("movem (sp),$ 0xffff"); \ */ /* OBSOLETE asm ("rte"); } */ /* OBSOLETE #endif */ /* OBSOLETE #endif */