1441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project/* Get public symbol information. 2cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng Copyright (C) 2002, 2003, 2004, 2005, 2008 Red Hat, Inc. 3cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng This file is part of Red Hat elfutils. 4441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project Written by Ulrich Drepper <drepper@redhat.com>, 2002. 5441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project 6cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng Red Hat elfutils is free software; you can redistribute it and/or modify 7cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng it under the terms of the GNU General Public License as published by the 8cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng Free Software Foundation; version 2 of the License. 9cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng 10cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng Red Hat elfutils is distributed in the hope that it will be useful, but 11cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng WITHOUT ANY WARRANTY; without even the implied warranty of 12cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng General Public License for more details. 14cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng 15cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng You should have received a copy of the GNU General Public License along 16cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng with Red Hat elfutils; if not, write to the Free Software Foundation, 17cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301 USA. 18cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng 19cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng In addition, as a special exception, Red Hat, Inc. gives You the 20cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng additional right to link the code of Red Hat elfutils with code licensed 21cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng under any Open Source Initiative certified open source license 22cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng (http://www.opensource.org/licenses/index.php) which requires the 23cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng distribution of source code with any binary distribution and to 24cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng distribute linked combinations of the two. Non-GPL Code permitted under 25cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng this exception must only link to the code of Red Hat elfutils through 26cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng those well defined interfaces identified in the file named EXCEPTION 27cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng found in the source code files (the "Approved Interfaces"). The files 28cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng of Non-GPL Code may instantiate templates or use macros or inline 29cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng functions from the Approved Interfaces without causing the resulting 30cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng work to be covered by the GNU General Public License. Only Red Hat, 31cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng Inc. may make changes or additions to the list of Approved Interfaces. 32cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng Red Hat's grant of this exception is conditioned upon your not adding 33cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng any new exceptions. If you wish to add a new Approved Interface or 34cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng exception, please contact Red Hat. You must obey the GNU General Public 35cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng License in all respects for all of the Red Hat elfutils code and other 36cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng code used in conjunction with Red Hat elfutils except the Non-GPL Code 37cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng covered by this exception. If you modify this file, you may extend this 38cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng exception to your version of the file, but you are not obligated to do 39cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng so. If you do not wish to provide this exception without modification, 40cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng you must delete this exception statement from your version and license 41cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng this file solely under the GPL without exception. 42cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng 43cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng Red Hat elfutils is an included package of the Open Invention Network. 44cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng An included package of the Open Invention Network is a package for which 45cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng Open Invention Network licensees cross-license their patents. No patent 46cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng license is granted, either expressly or impliedly, by designation as an 47cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng included package. Should you wish to participate in the Open Invention 48cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng Network licensing program, please visit www.openinventionnetwork.com 49cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng <http://www.openinventionnetwork.com>. */ 50441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project 51441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project#ifdef HAVE_CONFIG_H 52441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project# include <config.h> 53441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project#endif 54441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project 55441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project#include <assert.h> 56441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project#include <stdlib.h> 57441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project#include <string.h> 58441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project#include <sys/param.h> 59441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project 60441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project#include <libdwP.h> 61cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng#include <dwarf.h> 62441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project 63cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng/* ANDROID_CHANGE_BEGIN */ 64cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng#include <AndroidFixup.h> 65cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng/* ANDROID_CHANGE_END */ 66441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project 67441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Projectstatic int 68441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Projectget_offsets (Dwarf *dbg) 69441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project{ 70441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project size_t allocated = 0; 71441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project size_t cnt = 0; 72441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project struct pubnames_s *mem = NULL; 73441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project const size_t entsize = sizeof (struct pubnames_s); 74441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project unsigned char *const startp = dbg->sectiondata[IDX_debug_pubnames]->d_buf; 75441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project unsigned char *readp = startp; 76441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project unsigned char *endp = readp + dbg->sectiondata[IDX_debug_pubnames]->d_size; 77441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project 78441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project while (readp + 14 < endp) 79441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project { 80441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project /* If necessary, allocate more entries. */ 81441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project if (cnt >= allocated) 82441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project { 83441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project allocated = MAX (10, 2 * allocated); 84441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project struct pubnames_s *newmem 85441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project = (struct pubnames_s *) realloc (mem, allocated * entsize); 86441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project if (newmem == NULL) 87441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project { 88441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project __libdw_seterrno (DWARF_E_NOMEM); 89441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project err_return: 90441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project free (mem); 91441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project return -1; 92441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project } 93441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project 94441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project mem = newmem; 95441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project } 96441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project 97441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project /* Read the set header. */ 98441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project int len_bytes = 4; 99441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project Dwarf_Off len = read_4ubyte_unaligned_inc (dbg, readp); 100cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng if (len == DWARF3_LENGTH_64_BIT) 101441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project { 102441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project len = read_8ubyte_unaligned_inc (dbg, readp); 103441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project len_bytes = 8; 104441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project } 105cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng else if (unlikely (len >= DWARF3_LENGTH_MIN_ESCAPE_CODE 106cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng && len <= DWARF3_LENGTH_MAX_ESCAPE_CODE)) 107cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng { 108cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng invalid_dwarf: 109cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng __libdw_seterrno (DWARF_E_INVALID_DWARF); 110cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng goto err_return; 111cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng } 112441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project 113441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project /* Now we know the offset of the first offset/name pair. */ 114441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project mem[cnt].set_start = readp + 2 + 2 * len_bytes - startp; 115441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project mem[cnt].address_len = len_bytes; 116441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project if (mem[cnt].set_start >= dbg->sectiondata[IDX_debug_pubnames]->d_size) 117441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project /* Something wrong, the first entry is beyond the end of 118441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project the section. */ 119441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project break; 120441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project 121441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project /* Read the version. It better be two for now. */ 122441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project uint16_t version = read_2ubyte_unaligned (dbg, readp); 123cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng if (unlikely (version != 2)) 124441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project { 125441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project __libdw_seterrno (DWARF_E_INVALID_VERSION); 126441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project goto err_return; 127441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project } 128441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project 129441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project /* Get the CU offset. */ 130441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project if (len_bytes == 4) 131441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project mem[cnt].cu_offset = read_4ubyte_unaligned (dbg, readp + 2); 132441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project else 133441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project mem[cnt].cu_offset = read_8ubyte_unaligned (dbg, readp + 2); 134441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project 135441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project /* Determine the size of the CU header. */ 136cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng if (unlikely (dbg->sectiondata[IDX_debug_info] == NULL 137cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng || dbg->sectiondata[IDX_debug_info]->d_buf == NULL 138cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng || (mem[cnt].cu_offset + 3 139cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng >= dbg->sectiondata[IDX_debug_info]->d_size))) 140cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng goto invalid_dwarf; 141cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng 142441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project unsigned char *infop 143441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project = ((unsigned char *) dbg->sectiondata[IDX_debug_info]->d_buf 144441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project + mem[cnt].cu_offset); 145cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng if (read_4ubyte_unaligned_noncvt (infop) == DWARF3_LENGTH_64_BIT) 146441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project mem[cnt].cu_header_size = 23; 147441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project else 148441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project mem[cnt].cu_header_size = 11; 149441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project 150441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project ++cnt; 151441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project 152441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project /* Advance to the next set. */ 153441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project readp += len; 154441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project } 155441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project 156441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project if (mem == NULL) 157441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project { 158441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project __libdw_seterrno (DWARF_E_NO_ENTRY); 159441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project return -1; 160441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project } 161441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project 162441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project dbg->pubnames_sets = (struct pubnames_s *) realloc (mem, cnt * entsize); 163441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project dbg->pubnames_nsets = cnt; 164441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project 165441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project return 0; 166441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project} 167441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project 168441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project 169441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Projectptrdiff_t 170441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Projectdwarf_getpubnames (dbg, callback, arg, offset) 171441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project Dwarf *dbg; 172441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project int (*callback) (Dwarf *, Dwarf_Global *, void *); 173441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project void *arg; 174441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project ptrdiff_t offset; 175441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project{ 176441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project if (dbg == NULL) 177441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project return -1l; 178441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project 179cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng if (unlikely (offset < 0)) 180cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng { 181cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng __libdw_seterrno (DWARF_E_INVALID_OFFSET); 182cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng return -1l; 183cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng } 184cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng 185441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project /* Make sure it is a valid offset. */ 186441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project if (unlikely (dbg->sectiondata[IDX_debug_pubnames] == NULL 187cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng || ((size_t) offset 188cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng >= dbg->sectiondata[IDX_debug_pubnames]->d_size))) 189441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project /* No (more) entry. */ 190441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project return 0; 191441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project 192441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project /* If necessary read the set information. */ 193cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng if (dbg->pubnames_nsets == 0 && unlikely (get_offsets (dbg) != 0)) 194441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project return -1l; 195441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project 196441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project /* Find the place where to start. */ 197441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project size_t cnt; 198441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project if (offset == 0) 199441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project { 200441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project cnt = 0; 201441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project offset = dbg->pubnames_sets[0].set_start; 202441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project } 203441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project else 204441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project { 205441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project for (cnt = 0; cnt + 1 < dbg->pubnames_nsets; ++cnt) 206cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng if ((Dwarf_Off) offset >= dbg->pubnames_sets[cnt].set_start) 207441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project { 208cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng assert ((Dwarf_Off) offset 209cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng < dbg->pubnames_sets[cnt + 1].set_start); 210441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project break; 211441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project } 212441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project assert (cnt + 1 < dbg->pubnames_nsets); 213441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project } 214441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project 215441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project unsigned char *startp 216441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project = (unsigned char *) dbg->sectiondata[IDX_debug_pubnames]->d_buf; 217441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project unsigned char *readp = startp + offset; 218441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project while (1) 219441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project { 220441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project Dwarf_Global gl; 221441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project 222441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project gl.cu_offset = (dbg->pubnames_sets[cnt].cu_offset 223441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project + dbg->pubnames_sets[cnt].cu_header_size); 224441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project 225441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project while (1) 226441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project { 227441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project /* READP points to the next offset/name pair. */ 228441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project if (dbg->pubnames_sets[cnt].address_len == 4) 229441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project gl.die_offset = read_4ubyte_unaligned_inc (dbg, readp); 230441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project else 231441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project gl.die_offset = read_8ubyte_unaligned_inc (dbg, readp); 232441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project 233441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project /* If the offset is zero we reached the end of the set. */ 234441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project if (gl.die_offset == 0) 235441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project break; 236441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project 237441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project /* Add the CU offset. */ 238441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project gl.die_offset += dbg->pubnames_sets[cnt].cu_offset; 239441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project 240441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project gl.name = (char *) readp; 241441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project readp = (unsigned char *) rawmemchr (gl.name, '\0') + 1; 242441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project 243441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project /* We found name and DIE offset. Report it. */ 244441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project if (callback (dbg, &gl, arg) != DWARF_CB_OK) 245441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project { 246441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project /* The user wants us to stop. Return the offset of the 247441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project next entry. */ 248441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project return readp - startp; 249441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project } 250441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project } 251441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project 252441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project if (++cnt == dbg->pubnames_nsets) 253441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project /* This was the last set. */ 254441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project break; 255441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project 256441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project startp = (unsigned char *) dbg->sectiondata[IDX_debug_pubnames]->d_buf; 257441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project readp = startp + dbg->pubnames_sets[cnt].set_start; 258441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project } 259441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project 260441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project /* We are done. No more entries. */ 261441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project return 0; 262441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project} 263