91 lines
2.2 KiB
C
91 lines
2.2 KiB
C
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/* Test program for dwarf_ranges
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Copyright (C) 2015, 2018 Red Hat, Inc.
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This file is part of elfutils.
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This file 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 3 of the License, or
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(at your option) any later version.
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elfutils is distributed in the hope that it will be useful, but
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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, see <http://www.gnu.org/licenses/>. */
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#include <config.h>
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#include ELFUTILS_HEADER(dw)
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#include <dwarf.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <stdio.h>
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#include <stdint.h>
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#include <stdlib.h>
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#include <assert.h>
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#include <inttypes.h>
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static void
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ranges_die (Dwarf_Die *die)
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{
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Dwarf_Addr base, start, end;
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int ranges = dwarf_ranges (die, 0, &base, &start, &end);
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if (ranges < 0)
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puts (dwarf_errmsg (-1));
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else if (ranges > 0)
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{
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printf ("die: %s (%x)\n", dwarf_diename (die) ?: "<unknown>",
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dwarf_tag (die));
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for (ptrdiff_t off = 0;
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(off = dwarf_ranges (die, off, &base, &start, &end)); )
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if (off == -1)
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{
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puts (dwarf_errmsg (-1));
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break;
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}
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else
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printf (" %"PRIx64"..%"PRIx64"\n", start, end);
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printf ("\n");
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}
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}
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static void
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walk_tree (Dwarf_Die *dwarf_die)
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{
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Dwarf_Die die = *dwarf_die;
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do
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{
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Dwarf_Die child;
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ranges_die (&die);
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if (dwarf_child (&die, &child) == 0)
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walk_tree (&child);
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}
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while (dwarf_siblingof (&die, &die) == 0);
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}
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int
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main (int argc, char *argv[])
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{
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assert (argc >= 2);
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const char *name = argv[1];
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int fd = open (name, O_RDONLY);
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Dwarf *dbg = dwarf_begin (fd, DWARF_C_READ);
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Dwarf_CU *cu = NULL;
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Dwarf_Die cudie, subdie;
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uint8_t unit_type;
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while (dwarf_get_units (dbg, cu, &cu, NULL,
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&unit_type, &cudie, &subdie) == 0)
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{
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Dwarf_Die die = (unit_type == DW_UT_skeleton
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? subdie : cudie);
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walk_tree (&die);
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}
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dwarf_end (dbg);
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return 0;
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}
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