744 lines
12 KiB
C
744 lines
12 KiB
C
/* Sysroff object format dumper.
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Copyright (C) 1994 Free Software Foundation, Inc.
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This file is part of GNU Binutils.
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This program 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 2 of the License, or
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(at your option) any later version.
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This program 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 this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
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/* Written by Steve Chamberlain <sac@cygnus.com>.
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This program reads a SYSROFF object file and prints it in an
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almost human readable form to stdout. */
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#include <stdio.h>
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#include <libiberty.h>
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#include <getopt.h>
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#include "sysroff.h"
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#include <stdlib.h>
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#define PROGRAM_VERSION "1.0"
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static int dump = 1;
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static int segmented_p;
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static int code;
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static FILE *file;
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static char *xcalloc(a,b)
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int a;
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int b;
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{
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char *r = xmalloc(a,b);
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memset (r, 0, a * b);
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return r;
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}
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char *
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getCHARS (ptr, idx, size, max)
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unsigned char *ptr;
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int *idx;
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int size;
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int max;
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{
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int oc = *idx / 8;
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char *r;
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int b = size;
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if (b >= max)
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{
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return "*undefined*";
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}
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if (b == 0)
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{
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/* Got to work out the length of the string from self */
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b = ptr[oc++];
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(*idx) += 8;
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}
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*idx += b * 8;
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r = calloc (b + 1, 1);
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memcpy (r, ptr + oc, b);
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r[b] = 0;
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return r;
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}
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static void
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dh (ptr, size)
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unsigned char *ptr;
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int size;
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{
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int i;
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int j;
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int span = 20;
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printf ("\n************************************************************\n");
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for (i = 0; i < size; i += span)
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{
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for (j = 0; j < span && j + i < size; j++)
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{
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printf ("%02x ", ptr[i + j]);
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}
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printf ("\n");
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}
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for (i = 0; i < size; i += span)
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{
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for (j = 0; j < span && j + i < size; j++)
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{
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int c = ptr[i + j];
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if (c < 32 || c > 127)
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c = '.';
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printf (" %c ", c);
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}
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printf ("\n");
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}
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}
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int
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fillup (ptr)
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char *ptr;
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{
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int size;
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int sum;
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int i;
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size = getc (file) - 2;
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fread (ptr, 1, size, file);
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sum = code + size + 2;
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for (i = 0; i < size; i++)
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{
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sum += ptr[i];
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}
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if ((sum & 0xff) != 0xff)
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{
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printf ("SUM IS %x\n", sum);
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}
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if (dump)
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dh (ptr, size);
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return size;
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}
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barray
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getBARRAY (ptr, idx, dsize, max)
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unsigned char *ptr;
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int *idx;
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int dsize;
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int max;
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{
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barray res;
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int i;
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int byte = *idx / 8;
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int size = ptr[byte++];
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res.len = size;
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res.data = (unsigned char *)xmalloc (size);
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for (i = 0; i < size; i++)
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{
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res.data[i] = ptr[byte++];
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}
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return res;
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}
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int
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getINT (ptr, idx, size, max)
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unsigned char *ptr;
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int *idx;
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int size;
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int max;
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{
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int n = 0;
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int byte = *idx / 8;
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if (byte >= max)
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{
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return 0;
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}
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if (size == -2)
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size = 4;
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if (size == -1)
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size = 0;
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switch (size)
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{
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case 0:
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return 0;
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case 1:
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n = (ptr[byte]);
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break;
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case 2:
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n = (ptr[byte + 0] << 8) + ptr[byte + 1];
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break;
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case 4:
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n = (ptr[byte + 0] << 24) + (ptr[byte + 1] << 16) + (ptr[byte + 2] << 8) + (ptr[byte + 3]);
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break;
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default:
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abort ();
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}
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*idx += size * 8;
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return n;
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}
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int
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getBITS (ptr, idx, size)
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char *ptr;
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int *idx;
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int size;
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{
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int byte = *idx / 8;
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int bit = *idx % 8;
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*idx += size;
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return (ptr[byte] >> (8 - bit - size)) & ((1 << size) - 1);
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}
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static void
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itheader (name, code)
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char *name;
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int code;
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{
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printf ("\n%s 0x%02x\n", name, code);
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}
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static int indent;
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static void
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p ()
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{
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int i;
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for (i = 0; i < indent; i++)
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{
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printf ("| ");
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}
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printf ("> ");
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}
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static void
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tabout ()
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{
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p ();
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}
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static void
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pbarray (y)
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barray *y;
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{
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int x;
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printf ("%d (", y->len);
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for (x = 0; x < y->len; x++)
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{
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printf ("(%02x %c)", y->data[x], isprint (y->data[x]) ? y->data[x] : '.');
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}
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printf (")\n");
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}
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#define SYSROFF_PRINT
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#define SYSROFF_SWAP_IN
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#include "sysroff.c"
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static int
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getone (type)
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int type;
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{
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int c = getc (file);
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code = c;
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if ((c & 0x7f) != type)
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{
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ungetc (c, file);
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return 0;
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}
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switch (c & 0x7f)
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{
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case IT_cs_CODE:
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{
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struct IT_cs dummy;
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sysroff_swap_cs_in (&dummy);
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sysroff_print_cs_out (&dummy);
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}
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break;
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case IT_dln_CODE:
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{
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struct IT_dln dummy;
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sysroff_swap_dln_in (&dummy);
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sysroff_print_dln_out (&dummy);
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}
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break;
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case IT_hd_CODE:
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{
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struct IT_hd dummy;
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sysroff_swap_hd_in (&dummy);
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sysroff_print_hd_out (&dummy);
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}
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break;
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case IT_dar_CODE:
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{
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struct IT_dar dummy;
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sysroff_swap_dar_in (&dummy);
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sysroff_print_dar_out (&dummy);
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}
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break;
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case IT_dsy_CODE:
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{
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struct IT_dsy dummy;
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sysroff_swap_dsy_in (&dummy);
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sysroff_print_dsy_out (&dummy);
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}
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break;
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case IT_dfp_CODE:
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{
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struct IT_dfp dummy;
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sysroff_swap_dfp_in (&dummy);
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sysroff_print_dfp_out (&dummy);
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}
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break;
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case IT_dso_CODE:
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{
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struct IT_dso dummy;
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sysroff_swap_dso_in (&dummy);
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sysroff_print_dso_out (&dummy);
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}
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break;
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case IT_dpt_CODE:
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{
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struct IT_dpt dummy;
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sysroff_swap_dpt_in (&dummy);
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sysroff_print_dpt_out (&dummy);
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}
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break;
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case IT_den_CODE:
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{
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struct IT_den dummy;
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sysroff_swap_den_in (&dummy);
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sysroff_print_den_out (&dummy);
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}
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break;
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case IT_dbt_CODE:
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{
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struct IT_dbt dummy;
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sysroff_swap_dbt_in (&dummy);
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sysroff_print_dbt_out (&dummy);
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}
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break;
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case IT_dty_CODE:
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{
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struct IT_dty dummy;
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sysroff_swap_dty_in (&dummy);
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sysroff_print_dty_out (&dummy);
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}
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break;
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case IT_un_CODE:
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{
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struct IT_un dummy;
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sysroff_swap_un_in (&dummy);
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sysroff_print_un_out (&dummy);
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}
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break;
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case IT_sc_CODE:
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{
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struct IT_sc dummy;
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sysroff_swap_sc_in (&dummy);
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sysroff_print_sc_out (&dummy);
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}
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break;
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case IT_er_CODE:
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{
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struct IT_er dummy;
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sysroff_swap_er_in (&dummy);
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sysroff_print_er_out (&dummy);
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}
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break;
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case IT_ed_CODE:
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{
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struct IT_ed dummy;
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sysroff_swap_ed_in (&dummy);
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sysroff_print_ed_out (&dummy);
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}
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break;
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case IT_sh_CODE:
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{
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struct IT_sh dummy;
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sysroff_swap_sh_in (&dummy);
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sysroff_print_sh_out (&dummy);
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}
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break;
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case IT_ob_CODE:
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{
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struct IT_ob dummy;
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sysroff_swap_ob_in (&dummy);
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sysroff_print_ob_out (&dummy);
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}
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break;
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case IT_rl_CODE:
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{
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struct IT_rl dummy;
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sysroff_swap_rl_in (&dummy);
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sysroff_print_rl_out (&dummy);
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}
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break;
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case IT_du_CODE:
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{
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struct IT_du dummy;
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sysroff_swap_du_in (&dummy);
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sysroff_print_du_out (&dummy);
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}
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break;
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case IT_dus_CODE:
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{
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struct IT_dus dummy;
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sysroff_swap_dus_in (&dummy);
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sysroff_print_dus_out (&dummy);
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}
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break;
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case IT_dul_CODE:
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{
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struct IT_dul dummy;
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sysroff_swap_dul_in (&dummy);
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sysroff_print_dul_out (&dummy);
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}
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break;
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case IT_dss_CODE:
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{
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struct IT_dss dummy;
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sysroff_swap_dss_in (&dummy);
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sysroff_print_dss_out (&dummy);
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}
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case IT_hs_CODE:
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{
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struct IT_hs dummy;
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sysroff_swap_hs_in (&dummy);
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sysroff_print_hs_out (&dummy);
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}
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case IT_dps_CODE:
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{
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struct IT_dps dummy;
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sysroff_swap_dps_in (&dummy);
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sysroff_print_dps_out (&dummy);
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}
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break;
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case IT_tr_CODE:
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{
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struct IT_tr dummy;
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sysroff_swap_tr_in (&dummy);
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sysroff_print_tr_out (&dummy);
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}
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break;
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case IT_dds_CODE:
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{
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struct IT_dds dummy;
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sysroff_swap_dds_in (&dummy);
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sysroff_print_dds_out (&dummy);
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}
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break;
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break;
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default:
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printf ("GOT A %x\n", c);
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return 0;
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break;
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}
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return 1;
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}
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static int
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opt (x)
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int x;
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{
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return getone (x);
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}
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static void
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unit_info_list ()
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{
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if (opt (IT_un_CODE))
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{
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while (getone (IT_sc_CODE))
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{
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getone (IT_ss_CODE);
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}
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while (getone (IT_er_CODE))
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{
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}
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while (getone (IT_ed_CODE))
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{
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}
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}
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}
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static void
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object_body_list ()
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{
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getone (IT_sh_CODE);
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while (getone (IT_ob_CODE))
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;
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while (getone (IT_rl_CODE))
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;
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}
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static void
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must (x)
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int x;
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{
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if (!getone (x))
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{
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printf ("WANTED %x!!\n", x);
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}
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}
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static void
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tab (i, s)
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int i;
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char *s;
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{
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indent += i;
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if (s)
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{
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p ();
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printf (s);
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printf ("\n");
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}
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}
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static void derived_type ();
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static void
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symbol_info ()
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{
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tab (1, "SYMBOL INFO");
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while (opt (IT_dsy_CODE))
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{
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if (opt (IT_dty_CODE))
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{
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must (IT_dbt_CODE);
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derived_type ();
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must (IT_dty_CODE);
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}
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}
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tab (-1, "");
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}
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static void
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derived_type ()
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{
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tab (1, "DERIVED TYPE");
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while (1)
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{
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if (opt (IT_dpp_CODE))
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{
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symbol_info ();
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must (IT_dpp_CODE);
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}
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else if (opt (IT_dfp_CODE))
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{
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symbol_info ();
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must (IT_dfp_CODE);
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}
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else if (opt (IT_den_CODE))
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{
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symbol_info ();
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must (IT_den_CODE);
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}
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else if (opt (IT_den_CODE))
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{
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symbol_info ();
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must (IT_den_CODE);
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}
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else if (opt (IT_dds_CODE))
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{
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symbol_info ();
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must (IT_dds_CODE);
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}
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else if (opt (IT_dar_CODE))
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{
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}
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else if (opt (IT_dpt_CODE))
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{
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}
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else if (opt (IT_dul_CODE))
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{
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}
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else if (opt (IT_dse_CODE))
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{
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}
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else if (opt (IT_dot_CODE))
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{
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}
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else
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break;
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}
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tab (-1, "");
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}
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static void
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program_structure ()
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{
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tab (1, "PROGRAM STRUCTURE");
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while (opt (IT_dps_CODE))
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{
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opt (IT_dso_CODE);
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opt (IT_dss_CODE);
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symbol_info ();
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}
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tab (-1, "");
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}
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static void
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debug_list ()
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{
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tab (1, "DEBUG LIST");
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getone (IT_du_CODE);
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while (getone (IT_dus_CODE))
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;
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while (opt (IT_dfl_CODE))
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;
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while (getone (IT_dus_CODE))
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;
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program_structure ();
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getone (IT_dln_CODE);
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tab (-1, "");
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}
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static void
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module ()
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{
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int c = 0;
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int l = 0;
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tab (1, "MODULE***\n");
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getone (IT_cs_CODE);
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getone (IT_hd_CODE);
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getone (IT_hs_CODE);
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while (!opt (IT_tr_CODE) && c < 10)
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{
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unit_info_list ();
|
|
object_body_list ();
|
|
debug_list ();
|
|
c++;
|
|
}
|
|
tab (-1, "");
|
|
|
|
c = getc (file);
|
|
while (c != EOF)
|
|
{
|
|
printf ("%02x ", c);
|
|
l++;
|
|
if (l == 32)
|
|
{
|
|
printf ("\n");
|
|
l = 0;
|
|
}
|
|
c = getc (file);
|
|
}
|
|
}
|
|
|
|
|
|
char * program_name;
|
|
|
|
static void
|
|
show_usage (file, status)
|
|
FILE *file;
|
|
int status;
|
|
{
|
|
fprintf (file, "Usage: %s [-hV] in-file\n", program_name);
|
|
exit (status);
|
|
}
|
|
|
|
static void
|
|
show_help ()
|
|
{
|
|
printf ("%s: Print a human readable interpretation of a SYSROFF object file\n",
|
|
program_name);
|
|
show_usage (stdout, 0);
|
|
}
|
|
|
|
|
|
int
|
|
main (ac, av)
|
|
int ac;
|
|
char **av;
|
|
{
|
|
char *input_file = NULL;
|
|
int opt;
|
|
static struct option long_options[] =
|
|
{
|
|
{ "help", no_argument, 0, 'h' },
|
|
{ "version", no_argument, 0, 'V' },
|
|
{ NULL, no_argument, 0, 0 }
|
|
};
|
|
|
|
program_name = av[0];
|
|
xmalloc_set_program_name (program_name);
|
|
|
|
while ((opt = getopt_long (ac, av, "hV", long_options,
|
|
(int *) NULL))
|
|
!= EOF)
|
|
{
|
|
switch (opt)
|
|
{
|
|
case 'h':
|
|
show_help ();
|
|
/*NOTREACHED*/
|
|
case 'V':
|
|
printf ("GNU %s version %s\n", program_name, PROGRAM_VERSION);
|
|
exit (0);
|
|
/*NOTREACHED*/
|
|
case 0:
|
|
break;
|
|
default:
|
|
show_usage (stderr, 1);
|
|
/*NOTREACHED*/
|
|
}
|
|
}
|
|
|
|
/* The input and output files may be named on the command line. */
|
|
|
|
if (optind < ac)
|
|
{
|
|
input_file = av[optind];
|
|
}
|
|
|
|
if (!input_file)
|
|
{
|
|
fprintf (stderr,"%s: no input file specified\n",
|
|
program_name);
|
|
exit(1);
|
|
}
|
|
|
|
file = fopen (input_file, "r");
|
|
if (!file)
|
|
{
|
|
fprintf (stderr,"%s: cannot open input file %s\n",
|
|
program_name, input_file);
|
|
exit(1);
|
|
}
|
|
|
|
|
|
module ();
|
|
return 0;
|
|
}
|