You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
140 lines
3.7 KiB
140 lines
3.7 KiB
/* Copyright (C) 1998, 1999, 2000, 2001, 2002, 2004, 2005 Red Hat, Inc.
|
|
This file is part of elfutils.
|
|
Written by Ulrich Drepper <drepper@redhat.com>, 1998.
|
|
|
|
This file 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.
|
|
|
|
elfutils 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, see <http://www.gnu.org/licenses/>. */
|
|
|
|
#include <config.h>
|
|
|
|
#include <fcntl.h>
|
|
#include <inttypes.h>
|
|
#include ELFUTILS_HEADER(dw)
|
|
#include <stdio.h>
|
|
#include <unistd.h>
|
|
|
|
|
|
int
|
|
main (int argc, char *argv[])
|
|
{
|
|
int cnt;
|
|
|
|
for (cnt = 1; cnt < argc; ++cnt)
|
|
{
|
|
int fd = open (argv[cnt], O_RDONLY);
|
|
Dwarf *dbg = dwarf_begin (fd, DWARF_C_READ);
|
|
if (dbg == NULL)
|
|
{
|
|
printf ("%s not usable: %s\n", argv[cnt], dwarf_errmsg (-1));
|
|
close (fd);
|
|
continue;
|
|
}
|
|
|
|
Dwarf_Off cuoff = 0;
|
|
Dwarf_Off old_cuoff = 0;
|
|
size_t hsize;
|
|
while (dwarf_nextcu (dbg, cuoff, &cuoff, &hsize, NULL, NULL, NULL) == 0)
|
|
{
|
|
/* Get the DIE for the CU. */
|
|
Dwarf_Die die;
|
|
if (dwarf_offdie (dbg, old_cuoff + hsize, &die) == NULL)
|
|
/* Something went wrong. */
|
|
break;
|
|
|
|
/* Test something obviously wrong. */
|
|
Dwarf_Abbrev *a = dwarf_getabbrev (&die, (Dwarf_Off) -1, NULL);
|
|
if (a != NULL)
|
|
{
|
|
printf ("dwarf_getabbrev -1 succeeded?\n");
|
|
break;
|
|
}
|
|
|
|
Dwarf_Off offset = 0;
|
|
|
|
while (1)
|
|
{
|
|
size_t length;
|
|
Dwarf_Abbrev *abbrev = dwarf_getabbrev (&die, offset, &length);
|
|
if (abbrev == NULL || abbrev == DWARF_END_ABBREV)
|
|
/* End of the list. */
|
|
break;
|
|
|
|
unsigned tag = dwarf_getabbrevtag (abbrev);
|
|
if (tag == 0)
|
|
{
|
|
printf ("dwarf_getabbrevtag at offset %llu returned error: %s\n",
|
|
(unsigned long long int) offset,
|
|
dwarf_errmsg (-1));
|
|
break;
|
|
}
|
|
|
|
unsigned code = dwarf_getabbrevcode (abbrev);
|
|
if (code == 0)
|
|
{
|
|
printf ("dwarf_getabbrevcode at offset %llu returned error: %s\n",
|
|
(unsigned long long int) offset,
|
|
dwarf_errmsg (-1));
|
|
break;
|
|
}
|
|
|
|
int children = dwarf_abbrevhaschildren (abbrev);
|
|
if (children < 0)
|
|
{
|
|
printf ("dwarf_abbrevhaschildren at offset %llu returned error: %s\n",
|
|
(unsigned long long int) offset,
|
|
dwarf_errmsg (-1));
|
|
break;
|
|
}
|
|
|
|
printf ("abbrev[%llu]: code = %u, tag = %u, children = %d\n",
|
|
(unsigned long long int) offset, code, tag, children);
|
|
|
|
size_t attrcnt;
|
|
if (dwarf_getattrcnt (abbrev, &attrcnt) != 0)
|
|
{
|
|
printf ("dwarf_getattrcnt at offset %llu returned error: %s\n",
|
|
(unsigned long long int) offset,
|
|
dwarf_errmsg (-1));
|
|
break;
|
|
}
|
|
|
|
unsigned int attr_num;
|
|
unsigned int attr_form;
|
|
Dwarf_Off aboffset;
|
|
size_t j;
|
|
for (j = 0; j < attrcnt; ++j)
|
|
if (dwarf_getabbrevattr (abbrev, j, &attr_num, &attr_form,
|
|
&aboffset))
|
|
printf ("dwarf_getabbrevattr for abbrev[%llu] and index %zu failed\n",
|
|
(unsigned long long int) offset, j);
|
|
else
|
|
printf ("abbrev[%llu]: attr[%zu]: code = %u, form = %u, offset = %" PRIu64 "\n",
|
|
(unsigned long long int) offset, j, attr_num,
|
|
attr_form, (uint64_t) aboffset);
|
|
|
|
offset += length;
|
|
}
|
|
|
|
old_cuoff = cuoff;
|
|
}
|
|
|
|
if (dwarf_end (dbg) != 0)
|
|
printf ("dwarf_end failed for %s: %s\n", argv[cnt],
|
|
dwarf_errmsg (-1));
|
|
|
|
close (fd);
|
|
}
|
|
|
|
return 0;
|
|
}
|