1441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project/* Extract symbol list from binary. 2cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng Copyright (C) 1998, 1999, 2000, 2001, 2002, 2005, 2007 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>, 1998. 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 <fcntl.h> 56441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project#include <gelf.h> 57441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project#include <libelf.h> 58441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project#include <nlist.h> 59441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project#include <unistd.h> 60441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project 61441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project#include "libelfP.h" 62441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project 63441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project 64441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Projectstruct hashentry 65441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project{ 66441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project const char *str; 67441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project GElf_Sym sym; 68441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project}; 69441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project#define TYPE struct hashentry 70441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project/* XXX Use a better hash function some day. */ 71441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project#define HASHFCT(str, len) INTUSE(elf_hash) (str) 72441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project#define COMPARE(p1, p2) strcmp ((p1)->str, (p2)->str) 73441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project#define CLASS static 74441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project#define PREFIX nlist_ 75441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project#define xcalloc(n, m) calloc (n, m) 76441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project#define next_prime(s) __libelf_next_prime (s) 77441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project#include <fixedsizehash.h> 78441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project 79441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project 80441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Projectint 81441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Projectnlist (const char *filename, struct nlist *nl) 82441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project{ 83441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project int fd; 84441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project Elf *elf; 85441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project Elf_Scn *scn = NULL; 86441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project Elf_Scn *symscn = NULL; 87441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project GElf_Shdr shdr_mem; 88441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project GElf_Shdr *shdr = NULL; 89441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project Elf_Data *data; 90441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project struct nlist_fshash *table; 91441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project size_t nsyms; 92441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project size_t cnt; 93441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project 94441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project /* Open the file. */ 95441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project fd = open (filename, O_RDONLY); 96441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project if (fd == -1) 97441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project { 98441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project __libelf_seterrno (ELF_E_NOFILE); 99441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project goto fail; 100441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project } 101441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project 102441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project /* For compatibility reasons (`nlist' existed before ELF and libelf) 103441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project we don't expect the caller to set the ELF version. Do this here 104441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project if it hasn't happened yet. */ 105441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project if (__libelf_version_initialized == 0) 106441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project INTUSE(elf_version) (EV_CURRENT); 107441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project 108441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project /* Now get an ELF descriptor. */ 109441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project elf = INTUSE(elf_begin) (fd, ELF_C_READ_MMAP, NULL); 110441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project if (elf == NULL) 111cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng goto fail_fd; 112441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project 113441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project /* Find a symbol table. We prefer the real symbol table but if it 114441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project does not exist use the dynamic symbol table. */ 115441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project while ((scn = INTUSE(elf_nextscn) (elf, scn)) != NULL) 116441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project { 117441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project shdr = INTUSE(gelf_getshdr) (scn, &shdr_mem); 118441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project if (shdr == NULL) 119441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project goto fail_close; 120441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project 121441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project /* That is what we are looking for. */ 122441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project if (shdr->sh_type == SHT_SYMTAB) 123441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project { 124441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project symscn = scn; 125441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project break; 126441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project } 127441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project 128441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project /* Better than nothing. Remember this section. */ 129441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project if (shdr->sh_type == SHT_DYNSYM) 130441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project symscn = scn; 131441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project } 132441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project 133441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project if (symscn == NULL) 134441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project /* We haven't found anything. Fail. */ 135441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project goto fail_close; 136441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project 137441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project /* Re-get the section header in case we found only the dynamic symbol 138441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project table. */ 139441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project if (scn == NULL) 140441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project shdr = INTUSE(gelf_getshdr) (symscn, &shdr_mem); 141441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project /* SHDR->SH_LINK now contains the index of the string section. */ 142441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project 143441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project /* Get the data for the symbol section. */ 144441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project data = INTUSE(elf_getdata) (symscn, NULL); 145441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project if (data == NULL) 146441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project goto fail_close; 147441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project 148441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project /* How many symbols are there? */ 149441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project nsyms = (shdr->sh_size 150441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project / INTUSE(gelf_fsize) (elf, ELF_T_SYM, 1, data->d_version)); 151441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project 152441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project /* Create the hash table. */ 153441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project table = nlist_fshash_init (nsyms); 154441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project if (table == NULL) 155441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project { 156441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project __libelf_seterrno (ELF_E_NOMEM); 157441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project goto fail_close; 158441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project } 159441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project 160441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project /* Iterate over all the symbols in the section. */ 161441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project for (cnt = 0; cnt < nsyms; ++cnt) 162441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project { 163441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project struct hashentry mem; 164441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project GElf_Sym *sym; 165441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project 166441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project /* Get the symbol. */ 167441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project sym = INTUSE(gelf_getsym) (data, cnt, &mem.sym); 168441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project if (sym == NULL) 169441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project goto fail_dealloc; 170441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project 171441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project /* Get the name of the symbol. */ 172441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project mem.str = INTUSE(elf_strptr) (elf, shdr->sh_link, sym->st_name); 173441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project if (mem.str == NULL) 174441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project goto fail_dealloc; 175441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project 176441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project /* Don't allow zero-length strings. */ 177441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project if (mem.str[0] == '\0') 178441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project continue; 179441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project 180441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project /* And add it to the hash table. Note that we are using the 181441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project overwrite version. This will ensure that 182441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project a) global symbols are preferred over local symbols since 183441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project they are all located at the end 184441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project b) if there are multiple local symbols with the same name 185441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project the last one is used. 186441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project */ 187441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project (void) nlist_fshash_overwrite (table, mem.str, 0, &mem); 188441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project } 189441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project 190441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project /* Now it is time to look for the symbols the user asked for. 191441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project XXX What is a `null name/null string'? This is what the 192441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project standard says terminates the list. Is it a null pointer 193441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project or a zero-length string? We test for both... */ 194441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project while (nl->n_name != NULL && nl->n_name[0] != '\0') 195441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project { 196441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project struct hashentry search; 197441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project const struct hashentry *found; 198441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project 199441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project /* Search for a matching entry in the hash table. */ 200441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project search.str = nl->n_name; 201441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project found = nlist_fshash_find (table, nl->n_name, 0, &search); 202441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project 203441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project if (found != NULL) 204441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project { 205441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project /* Found it. */ 206441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project nl->n_value = found->sym.st_value; 207441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project nl->n_scnum = found->sym.st_shndx; 208441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project nl->n_type = GELF_ST_TYPE (found->sym.st_info); 209441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project /* XXX What shall we fill in the next fields? */ 210441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project nl->n_sclass = 0; 211441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project nl->n_numaux = 0; 212441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project } 213441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project else 214441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project { 215441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project /* Not there. */ 216441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project nl->n_value = 0; 217441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project nl->n_scnum = 0; 218441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project nl->n_type = 0; 219441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project nl->n_sclass = 0; 220441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project nl->n_numaux = 0; 221441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project } 222441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project 223441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project /* Next search request. */ 224441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project ++nl; 225441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project } 226441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project 227441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project /* Free the resources. */ 228441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project nlist_fshash_fini (table); 229441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project 230441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project /* We do not need the ELF descriptor anymore. */ 231cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng (void) INTUSE(elf_end) (elf); 232cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng 233cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng /* Neither the file descriptor. */ 234cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng (void) close (fd); 235441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project 236441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project return 0; 237441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project 238441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project fail_dealloc: 239441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project nlist_fshash_fini (table); 240441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project 241441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project fail_close: 242441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project /* We do not need the ELF descriptor anymore. */ 243cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng (void) INTUSE(elf_end) (elf); 244cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng 245cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng fail_fd: 246cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng /* Neither the file descriptor. */ 247cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng (void) close (fd); 248441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project 249441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project fail: 250441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project /* We have to set all entries to zero. */ 251441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project while (nl->n_name != NULL && nl->n_name[0] != '\0') 252441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project { 253441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project nl->n_value = 0; 254441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project nl->n_scnum = 0; 255441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project nl->n_type = 0; 256441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project nl->n_sclass = 0; 257441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project nl->n_numaux = 0; 258441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project 259441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project /* Next entry. */ 260441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project ++nl; 261441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project } 262441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project 263441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project return -1; 264441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project} 265