add files eaten by crash
This commit is contained in:
cgd
parent
fc5a16e0c4
commit
ed0c68f4e7
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# from: @(#)Makefile.hp300 6.1 (Berkeley) 3/11/91
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# $Id: Makefile.m68k,v 1.1 1993/12/23 14:02:03 cgd Exp $
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CONFIGSRCS= m68kbsd-dep.c m68k-pinsn.c
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param.h:
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ln -s $(.CURDIR)/config/m-m68kbsd.h param.h
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@ -0,0 +1,543 @@
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/*-
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* This code is derived from software copyrighted by the Free Software
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* Foundation.
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*
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* Modified 1991 by Donn Seeley at UUNET Technologies, Inc.
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* Modified 1990 by Van Jacobson at Lawrence Berkeley Laboratory.
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*
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* from: @(#)m-hp300bsd.h 6.8 (Berkeley) 5/8/91
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* $Id: m-m68kbsd.h,v 1.1 1993/12/23 14:02:21 cgd Exp $
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*/
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/* Parameters for execution on a Hewlett-Packard 9000/300, running bsd.
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Copyright (C) 1986, 1987, 1989 Free Software Foundation, Inc.
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This file is part of GDB.
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GDB is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 1, or (at your option)
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any later version.
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GDB is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GDB; see the file COPYING. If not, write to
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the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
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/* Describe the endian nature of this machine. */
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#define BITS_BIG_ENDIAN
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#define BYTES_BIG_ENDIAN
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#define WORDS_BIG_ENDIAN
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/*
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* Configuration file for HP9000/300 series machine running
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* University of Utah's 4.3bsd port. This is NOT for HP-UX.
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* Problems to hpbsd-bugs@cs.utah.edu
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*/
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#ifndef hp300
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#define hp300
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#endif
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/* Library stuff: POSIX tty (not supported yet), V7 tty (sigh), vprintf. */
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#define HAVE_TERMIOS 1
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#define USE_OLD_TTY 1
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#define HAVE_VPRINTF 1
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/* We support local and remote kernel debugging. */
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#define KERNELDEBUG 1
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/* Watch out for NaNs */
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#define IEEE_FLOAT
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/* We do long longs. */
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#define LONG_LONG
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/* Get rid of any system-imposed stack limit if possible. */
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#define SET_STACK_LIMIT_HUGE
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/* Define this if the C compiler puts an underscore at the front
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of external names before giving them to the linker. */
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#define NAMES_HAVE_UNDERSCORE
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/* Debugger information will be in DBX format. */
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#define READ_DBX_FORMAT
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/* Don't implement the attach and detach commands. */
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/* #define ATTACH_DETACH */
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/* Offset from address of function to start of its code.
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Zero on most machines. */
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#define FUNCTION_START_OFFSET 0
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/* Advance PC across any function entry prologue instructions
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to reach some "real" code. */
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#define SKIP_PROLOGUE(pc) \
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{ register int op = read_memory_integer (pc, 2); \
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if (op == 0047126) \
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pc += 4; /* Skip link #word */ \
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else if (op == 0044016) \
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pc += 6; /* Skip link #long */ \
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}
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/* Immediately after a function call, return the saved pc.
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Can't go through the frames for this because on some machines
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the new frame is not set up until the new function executes
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some instructions. */
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#define SAVED_PC_AFTER_CALL(frame) \
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read_memory_integer (read_register (SP_REGNUM), 4)
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/* This is the amount to subtract from u.u_ar0
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to get the offset in the core file of the register values. */
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#ifndef NEWVM
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#define KERNEL_U_ADDR 0x00816000
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#define STACK_END_ADDR 0xfff00000
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#else
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#include <machine/vmparam.h>
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#define KERNEL_U_ADDR USRSTACK
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#define SZ_SIGTRAMP 20
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#define STACK_END_ADDR (USRSTACK - SZ_SIGTRAMP)
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#endif
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/* Same as offsetof macro from stddef.h (which 4.3BSD doesn't have). */
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#define my_offsetof(TYPE, MEMBER) ((unsigned long) &((TYPE *)0)->MEMBER)
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#ifndef NEWVM
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/* On the HP300, sigtramp is in the u area. Gak! User struct is not
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mapped to the same virtual address in user/kernel address space
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(hence STACK_END_ADDR as opposed to KERNEL_U_ADDR). */
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#define IN_SIGTRAMP(pc, name) \
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((pc) >= STACK_END_ADDR + my_offsetof (struct user, u_pcb.pcb_sigc[0]) \
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&& (pc) < STACK_END_ADDR + my_offsetof (struct user, u_pcb.pcb_sigc[12]) \
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)
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#else
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#define IN_SIGTRAMP(pc, name) ((pc) >= STACK_END_ADDR && (pc) < USRSTACK)
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#endif
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/* Stack grows downward. */
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#define INNER_THAN <
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/* Sequence of bytes for breakpoint instruction. */
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#define BREAKPOINT {0x4e, 0x42}
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/* Amount PC must be decremented by after a breakpoint.
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This is often the number of bytes in BREAKPOINT
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but not always. */
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#define DECR_PC_AFTER_BREAK 2
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/* Nonzero if instruction at PC is a return instruction. */
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/* Allow any of the return instructions, including a trapv and a return
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from interupt. */
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#define ABOUT_TO_RETURN(pc) ((read_memory_integer (pc, 2) & ~3) == 0x4e74)
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/* Return 1 if P points to an invalid floating point value. */
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#define INVALID_FLOAT(p, len) 0 /* Just a first guess; not checked */
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/* Largest integer type */
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#define LONGEST long long
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/* Name of the builtin type for the LONGEST type above. */
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#define BUILTIN_TYPE_LONGEST builtin_type_long_long
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/* Say how long (ordinary) registers are. */
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#define REGISTER_TYPE long
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/* Number of machine registers */
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#define NUM_REGS 29
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/* Initializer for an array of names of registers.
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There should be NUM_REGS strings in this initializer. */
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#define REGISTER_NAMES \
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{"d0", "d1", "d2", "d3", "d4", "d5", "d6", "d7", \
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"a0", "a1", "a2", "a3", "a4", "a5", "a6", "sp", \
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"ps", "pc", \
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"fp0", "fp1", "fp2", "fp3", "fp4", "fp5", "fp6", "fp7", \
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"fpcontrol", "fpstatus", "fpiaddr" }
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/* Register numbers of various important registers.
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Note that some of these values are "real" register numbers,
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and correspond to the general registers of the machine,
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and some are "phony" register numbers which are too large
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to be actual register numbers as far as the user is concerned
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but do serve to get the desired values when passed to read_register. */
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#define FP_REGNUM 14 /* Contains address of executing stack frame */
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#define SP_REGNUM 15 /* Contains address of top of stack */
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#define PS_REGNUM 16 /* Contains processor status */
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#define PC_REGNUM 17 /* Contains program counter */
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#define FP0_REGNUM 18 /* Floating point register 0 */
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#define FPC_REGNUM 26 /* 68881 control register */
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#define FPS_REGNUM 27 /* 68881 status register */
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/* Total amount of space needed to store our copies of the machine's
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register state, the array `registers'. */
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#define REGISTER_BYTES (16*4+8*12+8+12)
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/* Index within `registers' of the first byte of the space for
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register N. */
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#define REGISTER_BYTE(N) \
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((N) >= FPC_REGNUM ? (((N) - FPC_REGNUM) * 4) + 168 \
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: (N) >= FP0_REGNUM ? (((N) - FP0_REGNUM) * 12) + 72 \
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: (N) * 4)
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/* Number of bytes of storage in the actual machine representation
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for register N. On the 68000, all regs are 4 bytes
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except the floating point regs which are 12 bytes. */
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/* Note that the unsigned cast here forces the result of the
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subtractiion to very high positive values if N < FP0_REGNUM */
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#define REGISTER_RAW_SIZE(N) (((unsigned)(N) - FP0_REGNUM) < 8 ? 12 : 4)
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/* Number of bytes of storage in the program's representation
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for register N. On the 68000, all regs are 4 bytes
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except the floating point regs which are 8-byte doubles. */
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#define REGISTER_VIRTUAL_SIZE(N) (((unsigned)(N) - FP0_REGNUM) < 8 ? 8 : 4)
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/* Largest value REGISTER_RAW_SIZE can have. */
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#define MAX_REGISTER_RAW_SIZE 12
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/* Largest value REGISTER_VIRTUAL_SIZE can have. */
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#define MAX_REGISTER_VIRTUAL_SIZE 8
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/* Nonzero if register N requires conversion
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from raw format to virtual format. */
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#define REGISTER_CONVERTIBLE(N) (((unsigned)(N) - FP0_REGNUM) < 8)
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/* Convert data from raw format for register REGNUM
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to virtual format for register REGNUM. */
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#define REGISTER_CONVERT_TO_VIRTUAL(REGNUM,FROM,TO) \
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{ if ((REGNUM) >= FP0_REGNUM && (REGNUM) < FPC_REGNUM) \
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convert_from_68881 ((FROM), (TO)); \
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else \
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bcopy ((FROM), (TO), 4); }
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/* Convert data from virtual format for register REGNUM
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to raw format for register REGNUM. */
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#define REGISTER_CONVERT_TO_RAW(REGNUM,FROM,TO) \
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{ if ((REGNUM) >= FP0_REGNUM && (REGNUM) < FPC_REGNUM) \
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convert_to_68881 ((FROM), (TO)); \
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else \
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bcopy ((FROM), (TO), 4); }
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/* Return the GDB type object for the "standard" data type
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of data in register N. */
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#define REGISTER_VIRTUAL_TYPE(N) \
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(((unsigned)(N) - FP0_REGNUM) < 8 ? builtin_type_double : builtin_type_int)
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/* Store the address of the place in which to copy the structure the
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subroutine will return. This is called from call_function. */
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#define STORE_STRUCT_RETURN(ADDR, SP) \
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{ write_register (9, (ADDR)); }
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/* Extract from an array REGBUF containing the (raw) register state
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a function return value of type TYPE, and copy that, in virtual format,
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into VALBUF. */
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#define EXTRACT_RETURN_VALUE(TYPE,REGBUF,VALBUF) \
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bcopy ((char *)(REGBUF) + \
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(TYPE_LENGTH (TYPE) < 4 ? 4 - TYPE_LENGTH (TYPE) : 0), \
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VALBUF, TYPE_LENGTH (TYPE))
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/* Write into appropriate registers a function return value
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of type TYPE, given in virtual format. */
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#define STORE_RETURN_VALUE(TYPE,VALBUF) \
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write_register_bytes (0, VALBUF, TYPE_LENGTH (TYPE))
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/* Extract from an array REGBUF containing the (raw) register state
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the address in which a function should return its structure value,
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as a CORE_ADDR (or an expression that can be used as one). */
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#define EXTRACT_STRUCT_VALUE_ADDRESS(REGBUF) (*(int *)(REGBUF))
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/* This is a piece of magic that is given a register number REGNO
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and as BLOCKEND the address in the system of the end of the user structure
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and stores in ADDR the address in the kernel or core dump
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of that register. */
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#define REGISTER_U_ADDR(addr, blockend, regno) \
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{ \
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if (regno < PS_REGNUM) \
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addr = (int) &((struct frame *)(blockend))->f_regs[regno]; \
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else if (regno == PS_REGNUM) \
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addr = (int) &((struct frame *)(blockend))->f_stackadj; \
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else if (regno == PC_REGNUM) \
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addr = (int) &((struct frame *)(blockend))->f_pc; \
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else if (regno < FPC_REGNUM) \
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addr = (int) \
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&((struct user *)0)->u_pcb.pcb_fpregs.fpf_regs[((regno)-FP0_REGNUM)*3];\
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else if (regno == FPC_REGNUM) \
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addr = (int) &((struct user *)0)->u_pcb.pcb_fpregs.fpf_fpcr; \
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else if (regno == FPS_REGNUM) \
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addr = (int) &((struct user *)0)->u_pcb.pcb_fpregs.fpf_fpsr; \
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else \
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addr = (int) &((struct user *)0)->u_pcb.pcb_fpregs.fpf_fpiar; \
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}
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/* Describe the pointer in each stack frame to the previous stack frame
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(its caller). */
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/* FRAME_CHAIN takes a frame's nominal address
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and produces the frame's chain-pointer.
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FRAME_CHAIN_COMBINE takes the chain pointer and the frame's nominal address
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and produces the nominal address of the caller frame.
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However, if FRAME_CHAIN_VALID returns zero,
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it means the given frame is the outermost one and has no caller.
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In that case, FRAME_CHAIN_COMBINE is not used. */
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/* In the case of the Sun, the frame's nominal address
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is the address of a 4-byte word containing the calling frame's address. */
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#define FRAME_CHAIN(thisframe) \
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(outside_startup_file ((thisframe)->pc) ? \
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read_memory_integer ((thisframe)->frame, 4) :\
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0)
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#ifdef KERNELDEBUG
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#ifdef NEWVM
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#define KERNSTACK_TOP ((unsigned long)KERNEL_U_ADDR + UPAGES*NBPG)
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#else
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#define KERNSTACK_TOP (KERNEL_U_ADDR + 0x3000) /* UPAGES * NBPG */
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#endif
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extern int kernel_debugging;
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#define FRAME_CHAIN_VALID(chain, thisframe) \
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(chain != 0 && \
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!kernel_debugging ? outside_startup_file(FRAME_SAVED_PC(thisframe)) :\
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(chain >= read_register(SP_REGNUM) && chain < KERNSTACK_TOP))
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#else
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#define FRAME_CHAIN_VALID(chain, thisframe) \
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(chain != 0 && (outside_startup_file (FRAME_SAVED_PC (thisframe))))
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#endif
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#define FRAME_CHAIN_COMBINE(chain, thisframe) (chain)
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/* Define other aspects of the stack frame. */
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/* A macro that tells us whether the function invocation represented
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by FI does not have a frame on the stack associated with it. If it
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does not, FRAMELESS is set to 1, else 0. */
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#define FRAMELESS_FUNCTION_INVOCATION(FI, FRAMELESS) \
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FRAMELESS_LOOK_FOR_PROLOGUE(FI, FRAMELESS)
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#define FRAME_SAVED_PC(FRAME) (read_memory_integer ((FRAME)->frame + 4, 4))
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#define FRAME_ARGS_ADDRESS(fi) ((fi)->frame)
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#define FRAME_LOCALS_ADDRESS(fi) ((fi)->frame)
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/* Set VAL to the number of args passed to frame described by FI.
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Can set VAL to -1, meaning no way to tell. */
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/* Note that we may not be able to tell how many args there are
|
||||
now that the C compiler delays popping them. */
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||||
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#define FRAME_NUM_ARGS(val, fi) \
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{ register CORE_ADDR pc = FRAME_SAVED_PC (fi); \
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register int insn = 0177777 & read_memory_integer (pc, 2); \
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if (insn == 0047757 || insn == 0157374) /* lea W(sp),sp or addaw #W,sp */ \
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val = read_memory_integer (pc + 2, 2); \
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else if ((insn & 0170777) == 0050217 /* addql #N, sp */ \
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|| (insn & 0170777) == 0050117) /* addqw */ \
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{ val = (insn >> 9) & 7; if (val == 0) val = 8; } \
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||||
else if (insn == 0157774) /* addal #WW, sp */ \
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||||
val = read_memory_integer (pc + 2, 4); \
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else \
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val = -1; \
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||||
val >>= 2; }
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||||
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||||
/* Return number of bytes at start of arglist that are not really args. */
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#define FRAME_ARGS_SKIP 8
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/* Put here the code to store, into a struct frame_saved_regs,
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||||
the addresses of the saved registers of frame described by FRAME_INFO.
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This includes special registers such as pc and fp saved in special
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ways in the stack frame. sp is even more special:
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||||
the address we return for it IS the sp for the next frame. */
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#define FRAME_FIND_SAVED_REGS(frame_info, frame_saved_regs) \
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{ register int regnum; \
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register int regmask; \
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register CORE_ADDR next_addr; \
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register CORE_ADDR pc; \
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int nextinsn; \
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bzero (&frame_saved_regs, sizeof frame_saved_regs); \
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||||
if ((frame_info)->next \
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||||
&& (frame_info)->next->frame < (frame_info)->pc \
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||||
&& (frame_info)->pc < (frame_info)->frame) \
|
||||
{ goto lose; } \
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||||
else \
|
||||
{ pc = get_pc_function_start ((frame_info)->pc); \
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||||
/* Verify we have a link a6 instruction next; \
|
||||
if not we lose. If we win, find the address above the saved \
|
||||
regs using the amount of storage from the link instruction. */\
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||||
if (044016 == read_memory_integer (pc, 2)) \
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||||
next_addr = (frame_info)->frame + read_memory_integer (pc += 2, 4), pc+=4; \
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||||
else if (047126 == read_memory_integer (pc, 2)) \
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||||
next_addr = (frame_info)->frame + read_memory_integer (pc += 2, 2), pc+=2; \
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else goto lose; \
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||||
/* If have an addal #-n, sp next, adjust next_addr. */ \
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||||
if ((0177777 & read_memory_integer (pc, 2)) == 0157774) \
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||||
next_addr += read_memory_integer (pc += 2, 4), pc += 4; \
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||||
} \
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||||
/* next should be a moveml to (sp) or -(sp) or a movl r,-(sp) */ \
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||||
regmask = read_memory_integer (pc + 2, 2); \
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||||
/* But before that can come an fmovem. Check for it. */ \
|
||||
nextinsn = 0xffff & read_memory_integer (pc, 2); \
|
||||
if (0xf227 == nextinsn \
|
||||
&& (regmask & 0xff00) == 0xe000) \
|
||||
{ pc += 4; /* Regmask's low bit is for register fp7, the first pushed */ \
|
||||
for (regnum = FP0_REGNUM + 7; regnum >= FP0_REGNUM; regnum--, regmask >>= 1) \
|
||||
if (regmask & 1) \
|
||||
(frame_saved_regs).regs[regnum] = (next_addr -= 12); \
|
||||
regmask = read_memory_integer (pc + 2, 2); } \
|
||||
if (0044327 == read_memory_integer (pc, 2)) \
|
||||
{ pc += 4; /* Regmask's low bit is for register 0, the first written */ \
|
||||
for (regnum = 0; regnum < 16; regnum++, regmask >>= 1) \
|
||||
if (regmask & 1) \
|
||||
(frame_saved_regs).regs[regnum] = (next_addr += 4) - 4; } \
|
||||
else if (0044347 == read_memory_integer (pc, 2)) \
|
||||
{ pc += 4; /* Regmask's low bit is for register 15, the first pushed */ \
|
||||
for (regnum = 15; regnum >= 0; regnum--, regmask >>= 1) \
|
||||
if (regmask & 1) \
|
||||
(frame_saved_regs).regs[regnum] = (next_addr -= 4); } \
|
||||
else if (0x2f00 == (0xfff0 & read_memory_integer (pc, 2))) \
|
||||
{ regnum = 0xf & read_memory_integer (pc, 2); pc += 2; \
|
||||
(frame_saved_regs).regs[regnum] = (next_addr -= 4); } \
|
||||
/* fmovemx to index of sp may follow. */ \
|
||||
regmask = read_memory_integer (pc + 2, 2); \
|
||||
nextinsn = 0xffff & read_memory_integer (pc, 2); \
|
||||
if (0xf236 == nextinsn \
|
||||
&& (regmask & 0xff00) == 0xf000) \
|
||||
{ pc += 10; /* Regmask's low bit is for register fp0, the first written */ \
|
||||
for (regnum = FP0_REGNUM + 7; regnum >= FP0_REGNUM; regnum--, regmask >>= 1) \
|
||||
if (regmask & 1) \
|
||||
(frame_saved_regs).regs[regnum] = (next_addr += 12) - 12; \
|
||||
regmask = read_memory_integer (pc + 2, 2); } \
|
||||
/* clrw -(sp); movw ccr,-(sp) may follow. */ \
|
||||
if (0x426742e7 == read_memory_integer (pc, 4)) \
|
||||
(frame_saved_regs).regs[PS_REGNUM] = (next_addr -= 4); \
|
||||
lose: ; \
|
||||
(frame_saved_regs).regs[SP_REGNUM] = (frame_info)->frame + 8; \
|
||||
(frame_saved_regs).regs[FP_REGNUM] = (frame_info)->frame; \
|
||||
(frame_saved_regs).regs[PC_REGNUM] = (frame_info)->frame + 4; \
|
||||
}
|
||||
|
||||
|
||||
/* Discard from the stack the innermost frame,
|
||||
restoring all saved registers. */
|
||||
|
||||
#define POP_FRAME \
|
||||
{ register FRAME frame = get_current_frame (); \
|
||||
register CORE_ADDR fp; \
|
||||
register int regnum; \
|
||||
struct frame_saved_regs fsr; \
|
||||
struct frame_info *fi; \
|
||||
char raw_buffer[12]; \
|
||||
fi = get_frame_info (frame); \
|
||||
fp = fi->frame; \
|
||||
get_frame_saved_regs (fi, &fsr); \
|
||||
for (regnum = FP0_REGNUM + 7; regnum >= FP0_REGNUM; regnum--) \
|
||||
if (fsr.regs[regnum]) \
|
||||
{ read_memory (fsr.regs[regnum], raw_buffer, 12); \
|
||||
write_register_bytes (REGISTER_BYTE (regnum), raw_buffer, 12); }\
|
||||
for (regnum = FP_REGNUM - 1; regnum >= 0; regnum--) \
|
||||
if (fsr.regs[regnum]) \
|
||||
write_register (regnum, read_memory_integer (fsr.regs[regnum], 4)); \
|
||||
if (fsr.regs[PS_REGNUM]) \
|
||||
write_register (PS_REGNUM, read_memory_integer (fsr.regs[PS_REGNUM], 4)); \
|
||||
write_register (FP_REGNUM, read_memory_integer (fp, 4)); \
|
||||
write_register (PC_REGNUM, read_memory_integer (fp + 4, 4)); \
|
||||
write_register (SP_REGNUM, fp + 8); \
|
||||
flush_cached_frames (); \
|
||||
set_current_frame (create_new_frame (read_register (FP_REGNUM),\
|
||||
read_pc ())); }
|
||||
|
||||
#define NEW_CALL_FUNCTION
|
||||
|
||||
/* 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"); }
|
||||
Loading…
Reference in New Issue