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binutils-gdb/binutils/sysdump.c

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/* Sysroff object format dumper.
Copyright (C) 1994-2017 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 3 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., 51 Franklin Street - Fifth Floor, Boston, MA
02110-1301, 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 "sysdep.h"
#include "bfd.h"
#include "safe-ctype.h"
#include "libiberty.h"
#include "getopt.h"
#include "bucomm.h"
#include "sysroff.h"
static int dump = 1;
static int segmented_p;
static int code;
static int addrsize = 4;
static FILE *file;
static void derived_type (void);
static char *
getCHARS (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)
{
/* PR 17512: file: 13caced2. */
if (oc >= max)
return _("*corrupt*");
/* Got to work out the length of the string from self. */
b = ptr[oc++];
(*idx) += 8;
}
*idx += b * 8;
r = xcalloc (b + 1, 1);
memcpy (r, ptr + oc, b);
r[b] = 0;
return r;
}
static void
dh (unsigned char *ptr, int size)
{
int i;
int j;
int span = 16;
printf ("\n************************************************************\n");
for (i = 0; i < size; i += span)
{
for (j = 0; j < span; j++)
{
if (j + i < size)
printf ("%02x ", ptr[i + j]);
else
printf (" ");
}
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");
}
}
static int
fillup (unsigned char *ptr)
{
int size;
int sum;
int i;
size = getc (file);
if (size == EOF
|| size <= 2)
return 0;
size -= 2;
if (fread (ptr, size, 1, file) != 1)
return 0;
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;
}
static barray
getBARRAY (unsigned char *ptr, int *idx, int dsize ATTRIBUTE_UNUSED,
int max ATTRIBUTE_UNUSED)
{
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;
}
static int
getINT (unsigned char *ptr, int *idx, int size, int max)
{
int n = 0;
int byte = *idx / 8;
if (byte >= max)
{
/* PR 17512: file: id:000001,src:000002,op:flip1,pos:45. */
/* Prevent infinite loops re-reading beyond the end of the buffer. */
fatal (_("ICE: getINT: Out of buffer space"));
return 0;
}
if (size == -2)
size = addrsize;
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:
fatal (_("Unsupported read size: %d"), size);
}
*idx += size * 8;
return n;
}
static int
getBITS (unsigned char *ptr, int *idx, int size, int max)
{
int byte = *idx / 8;
int bit = *idx % 8;
if (byte >= max)
return 0;
*idx += size;
return (ptr[byte] >> (8 - bit - size)) & ((1 << size) - 1);
}
static void
itheader (char *name, int icode)
{
printf ("\n%s 0x%02x\n", name, icode);
}
static int indent;
static void
p (void)
{
int i;
for (i = 0; i < indent; i++)
printf ("| ");
printf ("> ");
}
static void
tabout (void)
{
p ();
}
static void
pbarray (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"
/* FIXME: sysinfo, which generates sysroff.[ch] from sysroff.info, can't
hack the special case of the tr block, which has no contents. So we
implement our own functions for reading in and printing out the tr
block. */
#define IT_tr_CODE 0x7f
static void
sysroff_swap_tr_in (void)
{
unsigned char raw[255];
memset (raw, 0, 255);
fillup (raw);
}
static void
sysroff_print_tr_out (void)
{
itheader ("tr", IT_tr_CODE);
}
static int
getone (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);
addrsize = dummy.afl;
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);
}
break;
case IT_hs_CODE:
{
struct IT_hs dummy;
sysroff_swap_hs_in (&dummy);
sysroff_print_hs_out (&dummy);
}
break;
case IT_dps_CODE:
{
struct IT_dps dummy;
sysroff_swap_dps_in (&dummy);
sysroff_print_dps_out (&dummy);
}
break;
case IT_tr_CODE:
sysroff_swap_tr_in ();
sysroff_print_tr_out ();
break;
case IT_dds_CODE:
{
struct IT_dds dummy;
sysroff_swap_dds_in (&dummy);
sysroff_print_dds_out (&dummy);
}
break;
default:
printf (_("GOT A %x\n"), c);
return 0;
break;
}
return 1;
}
static int
opt (int x)
{
return getone (x);
}
static void
must (int x)
{
if (!getone (x))
printf (_("WANTED %x!!\n"), x);
}
static void
tab (int i, char *s)
{
indent += i;
if (s)
{
p ();
puts (s);
}
}
static void
dump_symbol_info (void)
{
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 (void)
{
tab (1, _("DERIVED TYPE"));
while (1)
{
if (opt (IT_dpp_CODE))
{
dump_symbol_info ();
must (IT_dpp_CODE);
}
else if (opt (IT_dfp_CODE))
{
dump_symbol_info ();
must (IT_dfp_CODE);
}
else if (opt (IT_den_CODE))
{
dump_symbol_info ();
must (IT_den_CODE);
}
else if (opt (IT_den_CODE))
{
dump_symbol_info ();
must (IT_den_CODE);
}
else if (opt (IT_dds_CODE))
{
dump_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
module (void)
{
int c = 0;
int l = 0;
tab (1, _("MODULE***\n"));
do
{
c = getc (file);
if (c == EOF)
break;
ungetc (c, file);
c &= 0x7f;
}
while (getone (c) && c != IT_tr_CODE);
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;
ATTRIBUTE_NORETURN static void
show_usage (FILE *ffile, int status)
{
fprintf (ffile, _("Usage: %s [option(s)] in-file\n"), program_name);
fprintf (ffile, _("Print a human readable interpretation of a SYSROFF object file\n"));
fprintf (ffile, _(" The options are:\n\
-h --help Display this information\n\
-v --version Print the program's version number\n"));
if (REPORT_BUGS_TO[0] && status == 0)
fprintf (ffile, _("Report bugs to %s\n"), REPORT_BUGS_TO);
exit (status);
}
int
main (int ac, char **av)
{
char *input_file = NULL;
int option;
static struct option long_options[] =
{
{"help", no_argument, 0, 'h'},
{"version", no_argument, 0, 'V'},
{NULL, no_argument, 0, 0}
};
#if defined (HAVE_SETLOCALE) && defined (HAVE_LC_MESSAGES)
setlocale (LC_MESSAGES, "");
#endif
#if defined (HAVE_SETLOCALE)
setlocale (LC_CTYPE, "");
#endif
bindtextdomain (PACKAGE, LOCALEDIR);
textdomain (PACKAGE);
program_name = av[0];
xmalloc_set_program_name (program_name);
bfd_set_error_program_name (program_name);
expandargv (&ac, &av);
while ((option = getopt_long (ac, av, "HhVv", long_options, (int *) NULL)) != EOF)
{
switch (option)
{
case 'H':
case 'h':
show_usage (stdout, 0);
/*NOTREACHED*/
case 'v':
case 'V':
print_version ("sysdump");
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)
fatal (_("no input file specified"));
file = fopen (input_file, FOPEN_RB);
if (!file)
fatal (_("cannot open input file %s"), input_file);
module ();
return 0;
}
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