sys/arch/mips/include/kdbparam.h

   1 /*      $NetBSD: kdbparam.h,v 1.6.14.3 2004/09/21 13:18:39 skrll Exp $  */
   2
   3 /*-
   4  * Copyright (c) 1992, 1993
   5  *      The Regents of the University of California.  All rights reserved.
   6  *
   7  * This code is derived from software contributed to Berkeley by
   8  * Ralph Campbell.
   9  *
  10  * Redistribution and use in source and binary forms, with or without
  11  * modification, are permitted provided that the following conditions
  12  * are met:
  13  * 1. Redistributions of source code must retain the above copyright
  14  *    notice, this list of conditions and the following disclaimer.
  15  * 2. Redistributions in binary form must reproduce the above copyright
  16  *    notice, this list of conditions and the following disclaimer in the
  17  *    documentation and/or other materials provided with the distribution.
  18  * 3. Neither the name of the University nor the names of its contributors
  19  *    may be used to endorse or promote products derived from this software
  20  *    without specific prior written permission.
  21  *
  22  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  25  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  26  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  27  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  28  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  30  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  31  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  32  * SUCH DAMAGE.
  33  *
  34  *      @(#)kdbparam.h  8.1 (Berkeley) 6/10/93
  35  */
  36
  37 /*
  38  * Machine dependent definitions for kdb.
  39  */
  40
  41 #if BYTE_ORDER == LITTLE_ENDIAN
  42 #define kdbshorten(w)   ((w) & 0xFFFF)
  43 #define kdbbyte(w)      ((w) & 0xFF)
  44 #define kdbitol(a,b)    ((long)(((b) << 16) | ((a) & 0xFFFF)))
  45 #define kdbbtol(a)      ((long)(a))
  46 #endif
  47
  48 #define LPRMODE         "%R"
  49 #define OFFMODE         "+%R"
  50
  51 #define SETBP(ins)      MIPS_BREAK_BRKPT
  52
  53 /* return the program counter value modified if we are in a delay slot */
  54 #define kdbgetpc(pcb)           (kdbvar[kdbvarchk('t')] < 0 ? \
  55         (pcb).pcb_regs[34] + 4 : (pcb).pcb_regs[34])
  56 #define kdbishiddenreg(p)       ((p) >= &kdbreglist[33])
  57 #define kdbisbreak(type)        (((type) & MIPS_CR_EXC_CODE) == 0x24)
  58
  59 /* check for address wrap around */
  60 #define kdbaddrwrap(addr,newaddr)       (((addr)^(newaddr)) >> 31)
  61
  62 /* declare machine dependent routines defined in kadb.c */
  63 void    kdbprinttrap(unsigned, unsigned);
  64 void    kdbsetsstep(void);
  65 void    kdbclrsstep(void);
  66 void    kdbreadc(char *);
  67 void    kdbwrite(char *, int);
  68 void    kdbprintins(int, long);
  69 void    kdbstacktrace(int);
  70 char    *kdbmalloc(int);