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- /* Sysroff object format dumper.
- Copyright (C) 1994 Free Software Foundation, Inc.
-
- This file is part of GNU Binutils.
-
- This program 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 2 of the License, or
- (at your option) any later version.
-
- This program 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 this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
-
-
- /* Written by Steve Chamberlain <sac@cygnus.com>.
-
- This program reads a SYSROFF object file and prints it in an
- almost human readable form to stdout. */
-
- #include <stdio.h>
- #include <libiberty.h>
- #include <getopt.h>
- #include "sysroff.h"
- #include <stdlib.h>
-
- #define PROGRAM_VERSION "1.0"
- static int h8300;
- static int sh;
- static int dump = 1;
- static int segmented_p;
- static int code;
- static FILE *file;
-
- static char *xcalloc(a,b)
- int a;
- int b;
- {
- char *r = xmalloc(a,b);
- memset (r, 0, a * b);
- return r;
- }
-
- char *
- getCHARS (ptr, idx, size, max)
- unsigned char *ptr;
- int *idx;
- int size;
- int max;
- {
- int oc = *idx / 8;
- char *r;
- int b = size;
- if (b >= max)
- {
- return "*undefined*";
- }
-
- if (b == 0)
- {
- /* Got to work out the length of the string from self */
- b = ptr[oc++];
- (*idx) += 8;
- }
-
- *idx += b * 8;
- r = calloc (b + 1, 1);
- memcpy (r, ptr + oc, b);
- r[b] = 0;
- return r;
- }
- static void
- dh (ptr, size)
- unsigned char *ptr;
- int size;
- {
- int i;
- int j;
- int span = 20;
-
- printf ("\n************************************************************\n");
-
- for (i = 0; i < size; i += span)
- {
- for (j = 0; j < span && j + i < size; j++)
- {
- printf ("%02x ", ptr[i + j]);
- }
- printf ("\n");
- }
-
- for (i = 0; i < size; i += span)
- {
- for (j = 0; j < span && j + i < size; j++)
- {
- int c = ptr[i + j];
- if (c < 32 || c > 127)
- c = '.';
- printf (" %c ", c);
- }
- printf ("\n");
- }
- }
-
- int
- fillup (ptr)
- char *ptr;
- {
- int size;
- int sum;
- int i;
- size = getc (file) - 2;
- fread (ptr, 1, size, file);
- sum = code + size + 2;
- for (i = 0; i < size; i++)
- {
- sum += ptr[i];
- }
-
- if ((sum & 0xff) != 0xff)
- {
- printf ("SUM IS %x\n", sum);
- }
- if (dump)
- dh (ptr, size);
- return size;
- }
-
-
- barray
- getBARRAY (ptr, idx, dsize, max)
- unsigned char *ptr;
- int *idx;
- int dsize;
- int max;
- {
- barray res;
- int i;
- int byte = *idx / 8;
- int size = ptr[byte++];
- res.len = size;
- res.data = (unsigned char *)xmalloc (size);
- for (i = 0; i < size; i++)
- {
- res.data[i] = ptr[byte++];
- }
- return res;
- }
-
-
-
- int
- getINT (ptr, idx, size, max)
- unsigned char *ptr;
- int *idx;
- int size;
- int max;
- {
- int n = 0;
- int byte = *idx / 8;
-
- if (byte >= max)
- {
- return 0;
- }
- if (size == -2)
- size = 4;
- if (size == -1)
- size = 0;
- switch (size)
- {
- case 0:
- return 0;
- case 1:
- n = (ptr[byte]);
- break;
- case 2:
- n = (ptr[byte + 0] << 8) + ptr[byte + 1];
- break;
- case 4:
- n = (ptr[byte + 0] << 24) + (ptr[byte + 1] << 16) + (ptr[byte + 2] << 8) + (ptr[byte + 3]);
- break;
- default:
- abort ();
- }
- *idx += size * 8;
- return n;
- }
-
- int
- getBITS (ptr, idx, size)
- char *ptr;
- int *idx;
- int size;
- {
- int byte = *idx / 8;
- int bit = *idx % 8;
-
- *idx += size;
-
- return (ptr[byte] >> (8 - bit - size)) & ((1 << size) - 1);
- }
-
-
- static void
- itheader (name, code)
- char *name;
- int code;
- {
- printf ("\n%s 0x%02x\n", name, code);
- }
- static int indent;
- static void
- p ()
- {
- int i;
- for (i = 0; i < indent; i++)
- {
- printf ("| ");
- }
- printf ("> ");
- }
-
- static void
- tabout ()
- {
- p ();
- }
-
- static void
- pbarray (y)
- barray *y;
- {
- int x;
- printf ("%d (", y->len);
- for (x = 0; x < y->len; x++)
- {
- printf ("(%02x %c)", y->data[x], isprint (y->data[x]) ? y->data[x] : '.');
- }
- printf (")\n");
- }
-
- #define SYSROFF_PRINT
- #define SYSROFF_SWAP_IN
-
- #include "sysroff.c"
-
-
- static int
- getone (type)
- int type;
- {
- int c = getc (file);
- code = c;
-
- if ((c & 0x7f) != type)
- {
- ungetc (c, file);
- return 0;
- }
-
- switch (c & 0x7f)
- {
- case IT_cs_CODE:
- {
- struct IT_cs dummy;
- sysroff_swap_cs_in (&dummy);
- sysroff_print_cs_out (&dummy);
- }
- break;
- case IT_dln_CODE:
- {
- struct IT_dln dummy;
- sysroff_swap_dln_in (&dummy);
- sysroff_print_dln_out (&dummy);
- }
- break;
- case IT_hd_CODE:
- {
- struct IT_hd dummy;
- sysroff_swap_hd_in (&dummy);
- sysroff_print_hd_out (&dummy);
- }
- break;
- case IT_dar_CODE:
- {
- struct IT_dar dummy;
- sysroff_swap_dar_in (&dummy);
- sysroff_print_dar_out (&dummy);
- }
- break;
- case IT_dsy_CODE:
- {
- struct IT_dsy dummy;
- sysroff_swap_dsy_in (&dummy);
- sysroff_print_dsy_out (&dummy);
- }
- break;
- case IT_dfp_CODE:
- {
- struct IT_dfp dummy;
- sysroff_swap_dfp_in (&dummy);
- sysroff_print_dfp_out (&dummy);
- }
- break;
- case IT_dso_CODE:
- {
- struct IT_dso dummy;
- sysroff_swap_dso_in (&dummy);
- sysroff_print_dso_out (&dummy);
- }
- break;
- case IT_dpt_CODE:
- {
- struct IT_dpt dummy;
- sysroff_swap_dpt_in (&dummy);
- sysroff_print_dpt_out (&dummy);
- }
- break;
- case IT_den_CODE:
- {
- struct IT_den dummy;
- sysroff_swap_den_in (&dummy);
- sysroff_print_den_out (&dummy);
- }
- break;
- case IT_dbt_CODE:
- {
- struct IT_dbt dummy;
- sysroff_swap_dbt_in (&dummy);
- sysroff_print_dbt_out (&dummy);
- }
- break;
- case IT_dty_CODE:
- {
- struct IT_dty dummy;
- sysroff_swap_dty_in (&dummy);
- sysroff_print_dty_out (&dummy);
- }
- break;
- case IT_un_CODE:
- {
- struct IT_un dummy;
- sysroff_swap_un_in (&dummy);
- sysroff_print_un_out (&dummy);
- }
- break;
- case IT_sc_CODE:
- {
- struct IT_sc dummy;
- sysroff_swap_sc_in (&dummy);
- sysroff_print_sc_out (&dummy);
- }
- break;
- case IT_er_CODE:
- {
- struct IT_er dummy;
- sysroff_swap_er_in (&dummy);
- sysroff_print_er_out (&dummy);
- }
- break;
- case IT_ed_CODE:
- {
- struct IT_ed dummy;
- sysroff_swap_ed_in (&dummy);
- sysroff_print_ed_out (&dummy);
- }
- break;
- case IT_sh_CODE:
- {
- struct IT_sh dummy;
- sysroff_swap_sh_in (&dummy);
- sysroff_print_sh_out (&dummy);
- }
- break;
- case IT_ob_CODE:
- {
- struct IT_ob dummy;
- sysroff_swap_ob_in (&dummy);
- sysroff_print_ob_out (&dummy);
- }
- break;
- case IT_rl_CODE:
- {
- struct IT_rl dummy;
- sysroff_swap_rl_in (&dummy);
- sysroff_print_rl_out (&dummy);
- }
- break;
- case IT_du_CODE:
- {
- struct IT_du dummy;
- sysroff_swap_du_in (&dummy);
-
- sysroff_print_du_out (&dummy);
- }
- break;
- case IT_dus_CODE:
- {
- struct IT_dus dummy;
- sysroff_swap_dus_in (&dummy);
- sysroff_print_dus_out (&dummy);
- }
- break;
- case IT_dul_CODE:
- {
- struct IT_dul dummy;
- sysroff_swap_dul_in (&dummy);
- sysroff_print_dul_out (&dummy);
- }
- break;
- case IT_dss_CODE:
- {
- struct IT_dss dummy;
- sysroff_swap_dss_in (&dummy);
- sysroff_print_dss_out (&dummy);
- }
- case IT_hs_CODE:
- {
- struct IT_hs dummy;
- sysroff_swap_hs_in (&dummy);
- sysroff_print_hs_out (&dummy);
- }
-
-
- case IT_dps_CODE:
- {
- struct IT_dps dummy;
- sysroff_swap_dps_in (&dummy);
- sysroff_print_dps_out (&dummy);
- }
- break;
-
-
- case IT_tr_CODE:
- {
- struct IT_tr dummy;
- sysroff_swap_tr_in (&dummy);
- sysroff_print_tr_out (&dummy);
- }
- break;
- case IT_dds_CODE:
- {
- struct IT_dds dummy;
- sysroff_swap_dds_in (&dummy);
- sysroff_print_dds_out (&dummy);
- }
- break;
- break;
- default:
- printf ("GOT A %x\n", c);
- return 0;
- break;
- }
- return 1;
-
- }
-
- static int
- opt (x)
- int x;
- {
- return getone (x);
- }
-
- static void
- unit_info_list ()
- {
- if (opt (IT_un_CODE))
- {
- while (getone (IT_sc_CODE))
- {
- getone (IT_ss_CODE);
- }
-
- while (getone (IT_er_CODE))
- {
- }
-
- while (getone (IT_ed_CODE))
- {
- }
- }
- }
-
- static void
- object_body_list ()
- {
- getone (IT_sh_CODE);
- while (getone (IT_ob_CODE))
- ;
- while (getone (IT_rl_CODE))
- ;
- }
-
- static void
- must (x)
- int x;
- {
- if (!getone (x))
- {
- printf ("WANTED %x!!\n", x);
- }
- }
-
- static void
- tab (i, s)
- int i;
- char *s;
- {
- indent += i;
- if (s)
- {
- p ();
- printf (s);
- printf ("\n");
- }
- }
- static void derived_type ();
-
- static void
- symbol_info ()
- {
- tab (1, "SYMBOL INFO");
- while (opt (IT_dsy_CODE))
- {
- if (opt (IT_dty_CODE))
- {
- must (IT_dbt_CODE);
- derived_type ();
- must (IT_dty_CODE);
- }
- }
- tab (-1, "");
- }
-
- static void
- derived_type ()
- {
- tab (1, "DERIVED TYPE");
- while (1)
- {
- if (opt (IT_dpp_CODE))
- {
- symbol_info ();
- must (IT_dpp_CODE);
- }
- else if (opt (IT_dfp_CODE))
- {
- symbol_info ();
- must (IT_dfp_CODE);
- }
- else if (opt (IT_den_CODE))
- {
- symbol_info ();
- must (IT_den_CODE);
- }
- else if (opt (IT_den_CODE))
- {
- symbol_info ();
- must (IT_den_CODE);
- }
- else if (opt (IT_dds_CODE))
- {
- symbol_info ();
- must (IT_dds_CODE);
- }
- else if (opt (IT_dar_CODE))
- {
- }
- else if (opt (IT_dpt_CODE))
- {
- }
- else if (opt (IT_dul_CODE))
- {
- }
- else if (opt (IT_dse_CODE))
- {
- }
- else if (opt (IT_dot_CODE))
- {
- }
- else
- break;
- }
-
- tab (-1, "");
- }
-
- static void
- program_structure ()
- {
- tab (1, "PROGRAM STRUCTURE");
- while (opt (IT_dps_CODE))
- {
- opt (IT_dso_CODE);
- opt (IT_dss_CODE);
- symbol_info ();
- }
- tab (-1, "");
- }
- static void
- debug_list ()
- {
- tab (1, "DEBUG LIST");
- getone (IT_du_CODE);
- while (getone (IT_dus_CODE))
- ;
- while (opt (IT_dfl_CODE))
- ;
- while (getone (IT_dus_CODE))
- ;
-
- program_structure ();
-
- getone (IT_dln_CODE);
- tab (-1, "");
- }
-
- static void
- module ()
- {
- int c = 0;
- int l = 0;
-
- tab (1, "MODULE***\n");
-
- getone (IT_cs_CODE);
- getone (IT_hd_CODE);
- getone (IT_hs_CODE);
-
- while (!opt (IT_tr_CODE) && c < 10)
- {
- 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;
- }
-