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Diffstat (limited to 'gdb/xm-hp300bsd.h')
| -rw-r--r-- | gdb/xm-hp300bsd.h | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/gdb/xm-hp300bsd.h b/gdb/xm-hp300bsd.h new file mode 100644 index 0000000..4ae5a5c --- /dev/null +++ b/gdb/xm-hp300bsd.h @@ -0,0 +1,113 @@ +/* Parameters for execution on a Hewlett-Packard 9000/300, running bsd. + Copyright (C) 1986, 1987, 1989 Free Software Foundation, Inc. + +This file is part of GDB. + +GDB 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 1, or (at your option) +any later version. + +GDB 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 GDB; see the file COPYING. If not, write to +the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ + +/* + * Configuration file for HP9000/300 series machine running + * University of Utah's 4.3bsd port. This is NOT for HP-UX. + * Problems to hpbsd-bugs@cs.utah.edu + */ + +#include <machine/endian.h> + +/* Get rid of any system-imposed stack limit if possible. */ + +#define SET_STACK_LIMIT_HUGE + +/* Get kernel u area address at run-time using BSD style nlist (). */ +#define KERNEL_U_ADDR_BSD + +/* This is a piece of magic that is given a register number REGNO + and as BLOCKEND the address in the system of the end of the user structure + and stores in ADDR the address in the kernel or core dump + of that register. */ + +#define REGISTER_U_ADDR(addr, blockend, regno) \ +{ \ + if (regno < PS_REGNUM) \ + addr = (int) &((struct frame *)(blockend))->f_regs[regno]; \ + else if (regno == PS_REGNUM) \ + addr = (int) &((struct frame *)(blockend))->f_stackadj; \ + else if (regno == PC_REGNUM) \ + addr = (int) &((struct frame *)(blockend))->f_pc; \ + else if (regno < FPC_REGNUM) \ + addr = (int) \ + &((struct user *)0)->u_pcb.pcb_fpregs.fpf_regs[((regno)-FP0_REGNUM)*3];\ + else if (regno == FPC_REGNUM) \ + addr = (int) &((struct user *)0)->u_pcb.pcb_fpregs.fpf_fpcr; \ + else if (regno == FPS_REGNUM) \ + addr = (int) &((struct user *)0)->u_pcb.pcb_fpregs.fpf_fpsr; \ + else \ + addr = (int) &((struct user *)0)->u_pcb.pcb_fpregs.fpf_fpiar; \ +} + +/* Compensate for lack of `vprintf' function. */ +#define MISSING_VPRINTF + + +/* 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"); } |