125b3c049e70834cf33790a28643ab058b507b35cBen Cheng/* Get public symbol information. 225b3c049e70834cf33790a28643ab058b507b35cBen Cheng Copyright (C) 2002, 2003, 2004, 2005, 2008 Red Hat, Inc. 325b3c049e70834cf33790a28643ab058b507b35cBen Cheng This file is part of Red Hat elfutils. 425b3c049e70834cf33790a28643ab058b507b35cBen Cheng Written by Ulrich Drepper <drepper@redhat.com>, 2002. 525b3c049e70834cf33790a28643ab058b507b35cBen Cheng 625b3c049e70834cf33790a28643ab058b507b35cBen Cheng Red Hat elfutils is free software; you can redistribute it and/or modify 725b3c049e70834cf33790a28643ab058b507b35cBen Cheng it under the terms of the GNU General Public License as published by the 825b3c049e70834cf33790a28643ab058b507b35cBen Cheng Free Software Foundation; version 2 of the License. 925b3c049e70834cf33790a28643ab058b507b35cBen Cheng 1025b3c049e70834cf33790a28643ab058b507b35cBen Cheng Red Hat elfutils is distributed in the hope that it will be useful, but 1125b3c049e70834cf33790a28643ab058b507b35cBen Cheng WITHOUT ANY WARRANTY; without even the implied warranty of 1225b3c049e70834cf33790a28643ab058b507b35cBen Cheng MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 1325b3c049e70834cf33790a28643ab058b507b35cBen Cheng General Public License for more details. 1425b3c049e70834cf33790a28643ab058b507b35cBen Cheng 1525b3c049e70834cf33790a28643ab058b507b35cBen Cheng You should have received a copy of the GNU General Public License along 1625b3c049e70834cf33790a28643ab058b507b35cBen Cheng with Red Hat elfutils; if not, write to the Free Software Foundation, 1725b3c049e70834cf33790a28643ab058b507b35cBen Cheng Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301 USA. 1825b3c049e70834cf33790a28643ab058b507b35cBen Cheng 1925b3c049e70834cf33790a28643ab058b507b35cBen Cheng In addition, as a special exception, Red Hat, Inc. gives You the 2025b3c049e70834cf33790a28643ab058b507b35cBen Cheng additional right to link the code of Red Hat elfutils with code licensed 2125b3c049e70834cf33790a28643ab058b507b35cBen Cheng under any Open Source Initiative certified open source license 2225b3c049e70834cf33790a28643ab058b507b35cBen Cheng (http://www.opensource.org/licenses/index.php) which requires the 2325b3c049e70834cf33790a28643ab058b507b35cBen Cheng distribution of source code with any binary distribution and to 2425b3c049e70834cf33790a28643ab058b507b35cBen Cheng distribute linked combinations of the two. Non-GPL Code permitted under 2525b3c049e70834cf33790a28643ab058b507b35cBen Cheng this exception must only link to the code of Red Hat elfutils through 2625b3c049e70834cf33790a28643ab058b507b35cBen Cheng those well defined interfaces identified in the file named EXCEPTION 2725b3c049e70834cf33790a28643ab058b507b35cBen Cheng found in the source code files (the "Approved Interfaces"). The files 2825b3c049e70834cf33790a28643ab058b507b35cBen Cheng of Non-GPL Code may instantiate templates or use macros or inline 2925b3c049e70834cf33790a28643ab058b507b35cBen Cheng functions from the Approved Interfaces without causing the resulting 3025b3c049e70834cf33790a28643ab058b507b35cBen Cheng work to be covered by the GNU General Public License. Only Red Hat, 3125b3c049e70834cf33790a28643ab058b507b35cBen Cheng Inc. may make changes or additions to the list of Approved Interfaces. 3225b3c049e70834cf33790a28643ab058b507b35cBen Cheng Red Hat's grant of this exception is conditioned upon your not adding 3325b3c049e70834cf33790a28643ab058b507b35cBen Cheng any new exceptions. If you wish to add a new Approved Interface or 3425b3c049e70834cf33790a28643ab058b507b35cBen Cheng exception, please contact Red Hat. You must obey the GNU General Public 3525b3c049e70834cf33790a28643ab058b507b35cBen Cheng License in all respects for all of the Red Hat elfutils code and other 3625b3c049e70834cf33790a28643ab058b507b35cBen Cheng code used in conjunction with Red Hat elfutils except the Non-GPL Code 3725b3c049e70834cf33790a28643ab058b507b35cBen Cheng covered by this exception. If you modify this file, you may extend this 3825b3c049e70834cf33790a28643ab058b507b35cBen Cheng exception to your version of the file, but you are not obligated to do 3925b3c049e70834cf33790a28643ab058b507b35cBen Cheng so. If you do not wish to provide this exception without modification, 4025b3c049e70834cf33790a28643ab058b507b35cBen Cheng you must delete this exception statement from your version and license 4125b3c049e70834cf33790a28643ab058b507b35cBen Cheng this file solely under the GPL without exception. 4225b3c049e70834cf33790a28643ab058b507b35cBen Cheng 4325b3c049e70834cf33790a28643ab058b507b35cBen Cheng Red Hat elfutils is an included package of the Open Invention Network. 4425b3c049e70834cf33790a28643ab058b507b35cBen Cheng An included package of the Open Invention Network is a package for which 4525b3c049e70834cf33790a28643ab058b507b35cBen Cheng Open Invention Network licensees cross-license their patents. No patent 4625b3c049e70834cf33790a28643ab058b507b35cBen Cheng license is granted, either expressly or impliedly, by designation as an 4725b3c049e70834cf33790a28643ab058b507b35cBen Cheng included package. Should you wish to participate in the Open Invention 4825b3c049e70834cf33790a28643ab058b507b35cBen Cheng Network licensing program, please visit www.openinventionnetwork.com 4925b3c049e70834cf33790a28643ab058b507b35cBen Cheng <http://www.openinventionnetwork.com>. */ 5025b3c049e70834cf33790a28643ab058b507b35cBen Cheng 5125b3c049e70834cf33790a28643ab058b507b35cBen Cheng#ifdef HAVE_CONFIG_H 5225b3c049e70834cf33790a28643ab058b507b35cBen Cheng# include <config.h> 5325b3c049e70834cf33790a28643ab058b507b35cBen Cheng#endif 5425b3c049e70834cf33790a28643ab058b507b35cBen Cheng 5525b3c049e70834cf33790a28643ab058b507b35cBen Cheng#include <assert.h> 5625b3c049e70834cf33790a28643ab058b507b35cBen Cheng#include <stdlib.h> 5725b3c049e70834cf33790a28643ab058b507b35cBen Cheng#include <string.h> 5825b3c049e70834cf33790a28643ab058b507b35cBen Cheng#include <sys/param.h> 5925b3c049e70834cf33790a28643ab058b507b35cBen Cheng 6025b3c049e70834cf33790a28643ab058b507b35cBen Cheng#include <libdwP.h> 6125b3c049e70834cf33790a28643ab058b507b35cBen Cheng#include <dwarf.h> 6225b3c049e70834cf33790a28643ab058b507b35cBen Cheng 6325b3c049e70834cf33790a28643ab058b507b35cBen Cheng 6425b3c049e70834cf33790a28643ab058b507b35cBen Chengstatic int 6525b3c049e70834cf33790a28643ab058b507b35cBen Chengget_offsets (Dwarf *dbg) 6625b3c049e70834cf33790a28643ab058b507b35cBen Cheng{ 6725b3c049e70834cf33790a28643ab058b507b35cBen Cheng size_t allocated = 0; 6825b3c049e70834cf33790a28643ab058b507b35cBen Cheng size_t cnt = 0; 6925b3c049e70834cf33790a28643ab058b507b35cBen Cheng struct pubnames_s *mem = NULL; 7025b3c049e70834cf33790a28643ab058b507b35cBen Cheng const size_t entsize = sizeof (struct pubnames_s); 7125b3c049e70834cf33790a28643ab058b507b35cBen Cheng unsigned char *const startp = dbg->sectiondata[IDX_debug_pubnames]->d_buf; 7225b3c049e70834cf33790a28643ab058b507b35cBen Cheng unsigned char *readp = startp; 7325b3c049e70834cf33790a28643ab058b507b35cBen Cheng unsigned char *endp = readp + dbg->sectiondata[IDX_debug_pubnames]->d_size; 7425b3c049e70834cf33790a28643ab058b507b35cBen Cheng 7525b3c049e70834cf33790a28643ab058b507b35cBen Cheng while (readp + 14 < endp) 7625b3c049e70834cf33790a28643ab058b507b35cBen Cheng { 7725b3c049e70834cf33790a28643ab058b507b35cBen Cheng /* If necessary, allocate more entries. */ 7825b3c049e70834cf33790a28643ab058b507b35cBen Cheng if (cnt >= allocated) 7925b3c049e70834cf33790a28643ab058b507b35cBen Cheng { 8025b3c049e70834cf33790a28643ab058b507b35cBen Cheng allocated = MAX (10, 2 * allocated); 8125b3c049e70834cf33790a28643ab058b507b35cBen Cheng struct pubnames_s *newmem 8225b3c049e70834cf33790a28643ab058b507b35cBen Cheng = (struct pubnames_s *) realloc (mem, allocated * entsize); 8325b3c049e70834cf33790a28643ab058b507b35cBen Cheng if (newmem == NULL) 8425b3c049e70834cf33790a28643ab058b507b35cBen Cheng { 8525b3c049e70834cf33790a28643ab058b507b35cBen Cheng __libdw_seterrno (DWARF_E_NOMEM); 8625b3c049e70834cf33790a28643ab058b507b35cBen Cheng err_return: 8725b3c049e70834cf33790a28643ab058b507b35cBen Cheng free (mem); 8825b3c049e70834cf33790a28643ab058b507b35cBen Cheng return -1; 8925b3c049e70834cf33790a28643ab058b507b35cBen Cheng } 9025b3c049e70834cf33790a28643ab058b507b35cBen Cheng 9125b3c049e70834cf33790a28643ab058b507b35cBen Cheng mem = newmem; 9225b3c049e70834cf33790a28643ab058b507b35cBen Cheng } 9325b3c049e70834cf33790a28643ab058b507b35cBen Cheng 9425b3c049e70834cf33790a28643ab058b507b35cBen Cheng /* Read the set header. */ 9525b3c049e70834cf33790a28643ab058b507b35cBen Cheng int len_bytes = 4; 9625b3c049e70834cf33790a28643ab058b507b35cBen Cheng Dwarf_Off len = read_4ubyte_unaligned_inc (dbg, readp); 9725b3c049e70834cf33790a28643ab058b507b35cBen Cheng if (len == DWARF3_LENGTH_64_BIT) 9825b3c049e70834cf33790a28643ab058b507b35cBen Cheng { 9925b3c049e70834cf33790a28643ab058b507b35cBen Cheng len = read_8ubyte_unaligned_inc (dbg, readp); 10025b3c049e70834cf33790a28643ab058b507b35cBen Cheng len_bytes = 8; 10125b3c049e70834cf33790a28643ab058b507b35cBen Cheng } 10225b3c049e70834cf33790a28643ab058b507b35cBen Cheng else if (unlikely (len >= DWARF3_LENGTH_MIN_ESCAPE_CODE 10325b3c049e70834cf33790a28643ab058b507b35cBen Cheng && len <= DWARF3_LENGTH_MAX_ESCAPE_CODE)) 10425b3c049e70834cf33790a28643ab058b507b35cBen Cheng { 10525b3c049e70834cf33790a28643ab058b507b35cBen Cheng __libdw_seterrno (DWARF_E_INVALID_DWARF); 10625b3c049e70834cf33790a28643ab058b507b35cBen Cheng goto err_return; 10725b3c049e70834cf33790a28643ab058b507b35cBen Cheng } 10825b3c049e70834cf33790a28643ab058b507b35cBen Cheng 10925b3c049e70834cf33790a28643ab058b507b35cBen Cheng /* Now we know the offset of the first offset/name pair. */ 11025b3c049e70834cf33790a28643ab058b507b35cBen Cheng mem[cnt].set_start = readp + 2 + 2 * len_bytes - startp; 11125b3c049e70834cf33790a28643ab058b507b35cBen Cheng mem[cnt].address_len = len_bytes; 11225b3c049e70834cf33790a28643ab058b507b35cBen Cheng if (mem[cnt].set_start >= dbg->sectiondata[IDX_debug_pubnames]->d_size) 11325b3c049e70834cf33790a28643ab058b507b35cBen Cheng /* Something wrong, the first entry is beyond the end of 11425b3c049e70834cf33790a28643ab058b507b35cBen Cheng the section. */ 11525b3c049e70834cf33790a28643ab058b507b35cBen Cheng break; 11625b3c049e70834cf33790a28643ab058b507b35cBen Cheng 11725b3c049e70834cf33790a28643ab058b507b35cBen Cheng /* Read the version. It better be two for now. */ 11825b3c049e70834cf33790a28643ab058b507b35cBen Cheng uint16_t version = read_2ubyte_unaligned (dbg, readp); 11925b3c049e70834cf33790a28643ab058b507b35cBen Cheng if (unlikely (version != 2)) 12025b3c049e70834cf33790a28643ab058b507b35cBen Cheng { 12125b3c049e70834cf33790a28643ab058b507b35cBen Cheng __libdw_seterrno (DWARF_E_INVALID_VERSION); 12225b3c049e70834cf33790a28643ab058b507b35cBen Cheng goto err_return; 12325b3c049e70834cf33790a28643ab058b507b35cBen Cheng } 12425b3c049e70834cf33790a28643ab058b507b35cBen Cheng 12525b3c049e70834cf33790a28643ab058b507b35cBen Cheng /* Get the CU offset. */ 12625b3c049e70834cf33790a28643ab058b507b35cBen Cheng if (__libdw_read_offset (dbg, IDX_debug_pubnames, readp + 2, len_bytes, 12725b3c049e70834cf33790a28643ab058b507b35cBen Cheng &mem[cnt].cu_offset, IDX_debug_info, 3)) 12825b3c049e70834cf33790a28643ab058b507b35cBen Cheng /* Error has been already set in reader. */ 12925b3c049e70834cf33790a28643ab058b507b35cBen Cheng goto err_return; 13025b3c049e70834cf33790a28643ab058b507b35cBen Cheng 13125b3c049e70834cf33790a28643ab058b507b35cBen Cheng /* Determine the size of the CU header. */ 13225b3c049e70834cf33790a28643ab058b507b35cBen Cheng unsigned char *infop 13325b3c049e70834cf33790a28643ab058b507b35cBen Cheng = ((unsigned char *) dbg->sectiondata[IDX_debug_info]->d_buf 13425b3c049e70834cf33790a28643ab058b507b35cBen Cheng + mem[cnt].cu_offset); 13525b3c049e70834cf33790a28643ab058b507b35cBen Cheng if (read_4ubyte_unaligned_noncvt (infop) == DWARF3_LENGTH_64_BIT) 13625b3c049e70834cf33790a28643ab058b507b35cBen Cheng mem[cnt].cu_header_size = 23; 13725b3c049e70834cf33790a28643ab058b507b35cBen Cheng else 13825b3c049e70834cf33790a28643ab058b507b35cBen Cheng mem[cnt].cu_header_size = 11; 13925b3c049e70834cf33790a28643ab058b507b35cBen Cheng 14025b3c049e70834cf33790a28643ab058b507b35cBen Cheng ++cnt; 14125b3c049e70834cf33790a28643ab058b507b35cBen Cheng 14225b3c049e70834cf33790a28643ab058b507b35cBen Cheng /* Advance to the next set. */ 14325b3c049e70834cf33790a28643ab058b507b35cBen Cheng readp += len; 14425b3c049e70834cf33790a28643ab058b507b35cBen Cheng } 14525b3c049e70834cf33790a28643ab058b507b35cBen Cheng 14625b3c049e70834cf33790a28643ab058b507b35cBen Cheng if (mem == NULL) 14725b3c049e70834cf33790a28643ab058b507b35cBen Cheng { 14825b3c049e70834cf33790a28643ab058b507b35cBen Cheng __libdw_seterrno (DWARF_E_NO_ENTRY); 14925b3c049e70834cf33790a28643ab058b507b35cBen Cheng return -1; 15025b3c049e70834cf33790a28643ab058b507b35cBen Cheng } 15125b3c049e70834cf33790a28643ab058b507b35cBen Cheng 15225b3c049e70834cf33790a28643ab058b507b35cBen Cheng dbg->pubnames_sets = (struct pubnames_s *) realloc (mem, cnt * entsize); 15325b3c049e70834cf33790a28643ab058b507b35cBen Cheng dbg->pubnames_nsets = cnt; 15425b3c049e70834cf33790a28643ab058b507b35cBen Cheng 15525b3c049e70834cf33790a28643ab058b507b35cBen Cheng return 0; 15625b3c049e70834cf33790a28643ab058b507b35cBen Cheng} 15725b3c049e70834cf33790a28643ab058b507b35cBen Cheng 15825b3c049e70834cf33790a28643ab058b507b35cBen Cheng 15925b3c049e70834cf33790a28643ab058b507b35cBen Chengptrdiff_t 16025b3c049e70834cf33790a28643ab058b507b35cBen Chengdwarf_getpubnames (dbg, callback, arg, offset) 16125b3c049e70834cf33790a28643ab058b507b35cBen Cheng Dwarf *dbg; 16225b3c049e70834cf33790a28643ab058b507b35cBen Cheng int (*callback) (Dwarf *, Dwarf_Global *, void *); 16325b3c049e70834cf33790a28643ab058b507b35cBen Cheng void *arg; 16425b3c049e70834cf33790a28643ab058b507b35cBen Cheng ptrdiff_t offset; 16525b3c049e70834cf33790a28643ab058b507b35cBen Cheng{ 16625b3c049e70834cf33790a28643ab058b507b35cBen Cheng if (dbg == NULL) 16725b3c049e70834cf33790a28643ab058b507b35cBen Cheng return -1l; 16825b3c049e70834cf33790a28643ab058b507b35cBen Cheng 16925b3c049e70834cf33790a28643ab058b507b35cBen Cheng if (unlikely (offset < 0)) 17025b3c049e70834cf33790a28643ab058b507b35cBen Cheng { 17125b3c049e70834cf33790a28643ab058b507b35cBen Cheng __libdw_seterrno (DWARF_E_INVALID_OFFSET); 17225b3c049e70834cf33790a28643ab058b507b35cBen Cheng return -1l; 17325b3c049e70834cf33790a28643ab058b507b35cBen Cheng } 17425b3c049e70834cf33790a28643ab058b507b35cBen Cheng 17525b3c049e70834cf33790a28643ab058b507b35cBen Cheng /* Make sure it is a valid offset. */ 17625b3c049e70834cf33790a28643ab058b507b35cBen Cheng if (unlikely (dbg->sectiondata[IDX_debug_pubnames] == NULL 17725b3c049e70834cf33790a28643ab058b507b35cBen Cheng || ((size_t) offset 17825b3c049e70834cf33790a28643ab058b507b35cBen Cheng >= dbg->sectiondata[IDX_debug_pubnames]->d_size))) 17925b3c049e70834cf33790a28643ab058b507b35cBen Cheng /* No (more) entry. */ 18025b3c049e70834cf33790a28643ab058b507b35cBen Cheng return 0; 18125b3c049e70834cf33790a28643ab058b507b35cBen Cheng 18225b3c049e70834cf33790a28643ab058b507b35cBen Cheng /* If necessary read the set information. */ 18325b3c049e70834cf33790a28643ab058b507b35cBen Cheng if (dbg->pubnames_nsets == 0 && unlikely (get_offsets (dbg) != 0)) 18425b3c049e70834cf33790a28643ab058b507b35cBen Cheng return -1l; 18525b3c049e70834cf33790a28643ab058b507b35cBen Cheng 18625b3c049e70834cf33790a28643ab058b507b35cBen Cheng /* Find the place where to start. */ 18725b3c049e70834cf33790a28643ab058b507b35cBen Cheng size_t cnt; 18825b3c049e70834cf33790a28643ab058b507b35cBen Cheng if (offset == 0) 18925b3c049e70834cf33790a28643ab058b507b35cBen Cheng { 19025b3c049e70834cf33790a28643ab058b507b35cBen Cheng cnt = 0; 19125b3c049e70834cf33790a28643ab058b507b35cBen Cheng offset = dbg->pubnames_sets[0].set_start; 19225b3c049e70834cf33790a28643ab058b507b35cBen Cheng } 19325b3c049e70834cf33790a28643ab058b507b35cBen Cheng else 19425b3c049e70834cf33790a28643ab058b507b35cBen Cheng { 19525b3c049e70834cf33790a28643ab058b507b35cBen Cheng for (cnt = 0; cnt + 1 < dbg->pubnames_nsets; ++cnt) 19625b3c049e70834cf33790a28643ab058b507b35cBen Cheng if ((Dwarf_Off) offset >= dbg->pubnames_sets[cnt].set_start) 19725b3c049e70834cf33790a28643ab058b507b35cBen Cheng { 19825b3c049e70834cf33790a28643ab058b507b35cBen Cheng assert ((Dwarf_Off) offset 19925b3c049e70834cf33790a28643ab058b507b35cBen Cheng < dbg->pubnames_sets[cnt + 1].set_start); 20025b3c049e70834cf33790a28643ab058b507b35cBen Cheng break; 20125b3c049e70834cf33790a28643ab058b507b35cBen Cheng } 20225b3c049e70834cf33790a28643ab058b507b35cBen Cheng assert (cnt + 1 < dbg->pubnames_nsets); 20325b3c049e70834cf33790a28643ab058b507b35cBen Cheng } 20425b3c049e70834cf33790a28643ab058b507b35cBen Cheng 20525b3c049e70834cf33790a28643ab058b507b35cBen Cheng unsigned char *startp 20625b3c049e70834cf33790a28643ab058b507b35cBen Cheng = (unsigned char *) dbg->sectiondata[IDX_debug_pubnames]->d_buf; 20725b3c049e70834cf33790a28643ab058b507b35cBen Cheng unsigned char *readp = startp + offset; 20825b3c049e70834cf33790a28643ab058b507b35cBen Cheng while (1) 20925b3c049e70834cf33790a28643ab058b507b35cBen Cheng { 21025b3c049e70834cf33790a28643ab058b507b35cBen Cheng Dwarf_Global gl; 21125b3c049e70834cf33790a28643ab058b507b35cBen Cheng 21225b3c049e70834cf33790a28643ab058b507b35cBen Cheng gl.cu_offset = (dbg->pubnames_sets[cnt].cu_offset 21325b3c049e70834cf33790a28643ab058b507b35cBen Cheng + dbg->pubnames_sets[cnt].cu_header_size); 21425b3c049e70834cf33790a28643ab058b507b35cBen Cheng 21525b3c049e70834cf33790a28643ab058b507b35cBen Cheng while (1) 21625b3c049e70834cf33790a28643ab058b507b35cBen Cheng { 21725b3c049e70834cf33790a28643ab058b507b35cBen Cheng /* READP points to the next offset/name pair. */ 21825b3c049e70834cf33790a28643ab058b507b35cBen Cheng if (dbg->pubnames_sets[cnt].address_len == 4) 21925b3c049e70834cf33790a28643ab058b507b35cBen Cheng gl.die_offset = read_4ubyte_unaligned_inc (dbg, readp); 22025b3c049e70834cf33790a28643ab058b507b35cBen Cheng else 22125b3c049e70834cf33790a28643ab058b507b35cBen Cheng gl.die_offset = read_8ubyte_unaligned_inc (dbg, readp); 22225b3c049e70834cf33790a28643ab058b507b35cBen Cheng 22325b3c049e70834cf33790a28643ab058b507b35cBen Cheng /* If the offset is zero we reached the end of the set. */ 22425b3c049e70834cf33790a28643ab058b507b35cBen Cheng if (gl.die_offset == 0) 22525b3c049e70834cf33790a28643ab058b507b35cBen Cheng break; 22625b3c049e70834cf33790a28643ab058b507b35cBen Cheng 22725b3c049e70834cf33790a28643ab058b507b35cBen Cheng /* Add the CU offset. */ 22825b3c049e70834cf33790a28643ab058b507b35cBen Cheng gl.die_offset += dbg->pubnames_sets[cnt].cu_offset; 22925b3c049e70834cf33790a28643ab058b507b35cBen Cheng 23025b3c049e70834cf33790a28643ab058b507b35cBen Cheng gl.name = (char *) readp; 23125b3c049e70834cf33790a28643ab058b507b35cBen Cheng readp = (unsigned char *) rawmemchr (gl.name, '\0') + 1; 23225b3c049e70834cf33790a28643ab058b507b35cBen Cheng 23325b3c049e70834cf33790a28643ab058b507b35cBen Cheng /* We found name and DIE offset. Report it. */ 23425b3c049e70834cf33790a28643ab058b507b35cBen Cheng if (callback (dbg, &gl, arg) != DWARF_CB_OK) 23525b3c049e70834cf33790a28643ab058b507b35cBen Cheng { 23625b3c049e70834cf33790a28643ab058b507b35cBen Cheng /* The user wants us to stop. Return the offset of the 23725b3c049e70834cf33790a28643ab058b507b35cBen Cheng next entry. */ 23825b3c049e70834cf33790a28643ab058b507b35cBen Cheng return readp - startp; 23925b3c049e70834cf33790a28643ab058b507b35cBen Cheng } 24025b3c049e70834cf33790a28643ab058b507b35cBen Cheng } 24125b3c049e70834cf33790a28643ab058b507b35cBen Cheng 24225b3c049e70834cf33790a28643ab058b507b35cBen Cheng if (++cnt == dbg->pubnames_nsets) 24325b3c049e70834cf33790a28643ab058b507b35cBen Cheng /* This was the last set. */ 24425b3c049e70834cf33790a28643ab058b507b35cBen Cheng break; 24525b3c049e70834cf33790a28643ab058b507b35cBen Cheng 24625b3c049e70834cf33790a28643ab058b507b35cBen Cheng startp = (unsigned char *) dbg->sectiondata[IDX_debug_pubnames]->d_buf; 24725b3c049e70834cf33790a28643ab058b507b35cBen Cheng readp = startp + dbg->pubnames_sets[cnt].set_start; 24825b3c049e70834cf33790a28643ab058b507b35cBen Cheng } 24925b3c049e70834cf33790a28643ab058b507b35cBen Cheng 25025b3c049e70834cf33790a28643ab058b507b35cBen Cheng /* We are done. No more entries. */ 25125b3c049e70834cf33790a28643ab058b507b35cBen Cheng return 0; 25225b3c049e70834cf33790a28643ab058b507b35cBen Cheng} 253