ld.c revision 4f0a7a89be199fa86d9c5c7a56f4be9c5cfb2a4e
182c345d92531e2577f16928efe62c14d19d5fc47Ulrich Drepper/* Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006 Red Hat, Inc. 2361df7da6dfecd817b27e62b91752ac316d7cdd4Ulrich Drepper This file is part of Red Hat elfutils. 3b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper Written by Ulrich Drepper <drepper@redhat.com>, 2001. 4b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 5361df7da6dfecd817b27e62b91752ac316d7cdd4Ulrich Drepper Red Hat elfutils is free software; you can redistribute it and/or modify 6361df7da6dfecd817b27e62b91752ac316d7cdd4Ulrich Drepper it under the terms of the GNU General Public License as published by the 7361df7da6dfecd817b27e62b91752ac316d7cdd4Ulrich Drepper Free Software Foundation; version 2 of the License. 8361df7da6dfecd817b27e62b91752ac316d7cdd4Ulrich Drepper 9361df7da6dfecd817b27e62b91752ac316d7cdd4Ulrich Drepper Red Hat elfutils is distributed in the hope that it will be useful, but 10361df7da6dfecd817b27e62b91752ac316d7cdd4Ulrich Drepper WITHOUT ANY WARRANTY; without even the implied warranty of 11361df7da6dfecd817b27e62b91752ac316d7cdd4Ulrich Drepper MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12361df7da6dfecd817b27e62b91752ac316d7cdd4Ulrich Drepper General Public License for more details. 13361df7da6dfecd817b27e62b91752ac316d7cdd4Ulrich Drepper 14361df7da6dfecd817b27e62b91752ac316d7cdd4Ulrich Drepper You should have received a copy of the GNU General Public License along 15361df7da6dfecd817b27e62b91752ac316d7cdd4Ulrich Drepper with Red Hat elfutils; if not, write to the Free Software Foundation, 161e9ef50681e20ef14c2ba38aef37a71ff148be08Ulrich Drepper Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301 USA. 17361df7da6dfecd817b27e62b91752ac316d7cdd4Ulrich Drepper 18361df7da6dfecd817b27e62b91752ac316d7cdd4Ulrich Drepper Red Hat elfutils is an included package of the Open Invention Network. 19361df7da6dfecd817b27e62b91752ac316d7cdd4Ulrich Drepper An included package of the Open Invention Network is a package for which 20361df7da6dfecd817b27e62b91752ac316d7cdd4Ulrich Drepper Open Invention Network licensees cross-license their patents. No patent 21361df7da6dfecd817b27e62b91752ac316d7cdd4Ulrich Drepper license is granted, either expressly or impliedly, by designation as an 22361df7da6dfecd817b27e62b91752ac316d7cdd4Ulrich Drepper included package. Should you wish to participate in the Open Invention 23361df7da6dfecd817b27e62b91752ac316d7cdd4Ulrich Drepper Network licensing program, please visit www.openinventionnetwork.com 24361df7da6dfecd817b27e62b91752ac316d7cdd4Ulrich Drepper <http://www.openinventionnetwork.com>. */ 25b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 26b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper#ifdef HAVE_CONFIG_H 27b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper# include <config.h> 28b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper#endif 29b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 30b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper#include <argp.h> 31b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper#include <assert.h> 32b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper#include <error.h> 33b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper#include <fcntl.h> 34b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper#include <libelf.h> 35b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper#include <libintl.h> 36b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper#include <locale.h> 37b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper#include <mcheck.h> 38b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper#include <stdio.h> 39b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper#include <stdio_ext.h> 40b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper#include <stdlib.h> 41b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper#include <string.h> 42b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper#include <unistd.h> 43b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 44b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper#include <system.h> 45b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper#include "ld.h" 46b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper#include "list.h" 47b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 48b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 49b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper/* Name and version of program. */ 50b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepperstatic void print_version (FILE *stream, struct argp_state *state); 51b08d5a8fb42f4586d756068065186b5af7e48daUlrich Dreppervoid (*argp_program_version_hook) (FILE *, struct argp_state *) = print_version; 52b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 53b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper/* Bug report address. */ 54b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepperconst char *argp_program_bug_address = PACKAGE_BUGREPORT; 55b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 56b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 57b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper/* Values for the various options. */ 58b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepperenum 59b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { 60b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper ARGP_whole_archive = 300, 61b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper ARGP_no_whole_archive, 62b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper ARGP_static, 63b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper ARGP_dynamic, 64b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper ARGP_pagesize, 65b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper ARGP_rpath, 66b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper ARGP_rpath_link, 67b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper ARGP_runpath, 68b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper ARGP_runpath_link, 69b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper ARGP_version_script, 70b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper ARGP_gc_sections, 71b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper ARGP_no_gc_sections, 72b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper ARGP_no_undefined, 73b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper ARGP_conserve, 748c56fe3b2c753234beb6f58a81c8b96f008226efUlrich Drepper ARGP_as_needed, 758c56fe3b2c753234beb6f58a81c8b96f008226efUlrich Drepper ARGP_no_as_needed, 76b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper#if YYDEBUG 77b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper ARGP_yydebug, 78b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper#endif 79b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper }; 80b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 81b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 82b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper/* Definitions of arguments for argp functions. */ 83b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepperstatic const struct argp_option options[] = 84b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper{ 85b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* XXX This list will be reordered and section names will be added. 86b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper Just not right now. */ 87b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { "whole-archive", ARGP_whole_archive, NULL, 0, 88b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper N_("Include whole archives in the output from now on."), 0 }, 89b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { "no-whole-archive", ARGP_no_whole_archive, NULL, 0, 90b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper N_("Stop including the whole arhives in the output."), 0 }, 91b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 92b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { "output", 'o', N_("FILE"), 0, N_("Place output in FILE."), 0 }, 93b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 94b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { NULL, 'O', N_("LEVEL"), OPTION_ARG_OPTIONAL, 95b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper N_("Set optimization level to LEVEL."), 0 }, 96b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 97b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { "verbose", 'v', NULL, 0, N_("Verbose messages."), 0 }, 98b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { "trace", 't', NULL, 0, N_("Trace file opens."), 0 }, 99b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { "conserve-memory", ARGP_conserve, NULL, 0, 100b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper N_("Trade speed for less memory usage"), 0 }, 101b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 102b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { NULL, 'z', "KEYWORD", OPTION_HIDDEN, NULL, 0 }, 103b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { "-z nodefaultlib", '\0', NULL, OPTION_DOC, 104b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper N_("Object is marked to not use default search path at runtime."), 0 }, 105b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { "-z allextract", '\0', NULL, OPTION_DOC, 106b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper N_("Same as --whole-archive."), 0 }, 107b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { "-z defaultextract", '\0', NULL, OPTION_DOC, N_("\ 108b08d5a8fb42f4586d756068065186b5af7e48daUlrich DrepperDefault rules of extracting from archive; weak references are not enough."), 109b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 0 }, 110b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { "-z weakextract", '\0', NULL, OPTION_DOC, 111b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper N_("Weak references cause extraction from archive."), 0 }, 112b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { "-z muldefs", '\0', NULL, OPTION_DOC, 113b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper N_("Allow multiple definitions; first is used."), 0 }, 114b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { "-z defs | nodefs", '\0', NULL, OPTION_DOC, 115b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper N_("Disallow/allow undefined symbols in DSOs."), 0 }, 116b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { "no-undefined", ARGP_no_undefined, NULL, OPTION_HIDDEN, NULL, 0 }, 117b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { "-z origin", '\0', NULL, OPTION_DOC, 118b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper N_("Object requires immediate handling of $ORIGIN."), 0 }, 119b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { "-z now", '\0', NULL, OPTION_DOC, 120b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper N_("Relocation will not be processed lazily."), 0 }, 121b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { "-z nodelete", '\0', NULL, OPTION_DOC, 122b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper N_("Object cannot be unloaded at runtime."), 0 }, 123b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { "-z initfirst", '\0', NULL, OPTION_DOC, 124b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper N_("Mark object to be initialized first."), 0 }, 125b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { "-z lazyload | nolazyload", '\0', NULL, OPTION_DOC, 126b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper N_("Enable/disable lazy-loading flag for following dependencies."), 0 }, 127b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { "-z nodlopen", '\0', NULL, OPTION_DOC, 128b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper N_("Mark object as not loadable with 'dlopen'."), 0 }, 129b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { "-z ignore | record", '\0', NULL, OPTION_DOC, 130b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper N_("Ignore/record dependencies on unused DSOs."), 0 }, 131b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { "-z systemlibrary", '\0', NULL, OPTION_DOC, 132b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper N_("Generated DSO will be a system library."), 0 }, 133b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 134b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { NULL, 'l', N_("FILE"), OPTION_HIDDEN, NULL, 0 }, 135b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 136b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { NULL, '(', NULL, 0, N_("Start a group."), 0 }, 137b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { NULL, ')', NULL, 0, N_("End a group."), 0 }, 138b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 139b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { NULL, 'L', N_("PATH"), 0, 140b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper N_("Add PATH to list of directories files are searched in."), 0 }, 141b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 142b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { NULL, 'c', N_("FILE"), 0, N_("Use linker script in FILE."), 0 }, 143b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 144b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { "entry", 'e', N_("ADDRESS"), 0, N_("Set entry point address."), 0 }, 145b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 146b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { "static", ARGP_static, NULL, OPTION_HIDDEN, NULL, 0 }, 147b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { "-B static", ARGP_static, NULL, OPTION_DOC, 148b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper N_("Do not link against shared libraries."), 0 }, 149b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { "dynamic", ARGP_dynamic, NULL, OPTION_HIDDEN, NULL, 0 }, 150b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { "-B dynamic", ARGP_dynamic, NULL, OPTION_DOC, 151b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper N_("Prefer linking against shared libraries."), 0 }, 152b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 153b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { "export-dynamic", 'E', NULL, 0, N_("Export all dynamic symbols."), 0 }, 154b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 155b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { "strip-all", 's', NULL, 0, N_("Strip all symbols."), 0 }, 156b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { "strip-debug", 'S', NULL, 0, N_("Strip debugging symbols."), 0 }, 157b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 158b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { "pagesize", ARGP_pagesize, "SIZE", 0, 159b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper N_("Assume pagesize for the target system to be SIZE."), 0 }, 160b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 161b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { "rpath", ARGP_rpath, "PATH", OPTION_HIDDEN, NULL, 0 }, 162b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { "rpath-link", ARGP_rpath_link, "PATH", OPTION_HIDDEN, NULL, 0 }, 163b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 164b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { "runpath", ARGP_runpath, "PATH", 0, N_("Set runtime DSO search path."), 165b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 0 }, 166b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { "runpath-link", ARGP_runpath_link, "PATH", 0, 167b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper N_("Set link time DSO search path."), 0 }, 168b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 169b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { NULL, 'i', NULL, 0, N_("Ignore LD_LIBRARY_PATH environment variable."), 170b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 0 }, 171b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 172b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { "version-script", ARGP_version_script, "FILE", 0, 173b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper N_("Read version information from FILE."), 0 }, 174b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 175b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { "emulation", 'm', "NAME", 0, N_("Set emulation to NAME."), 0 }, 176b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 177b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { "shared", 'G', NULL, 0, N_("Generate dynamic shared object."), 0 }, 178b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { NULL, 'r', NULL, 0L, N_("Generate relocatable object."), 0 }, 179b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 180b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { NULL, 'B', "KEYWORD", OPTION_HIDDEN, "", 0 }, 181b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { "-B local", 'B', NULL, OPTION_DOC, 182b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper N_("Causes symbol not assigned to a version be reduced to local."), 0 }, 183b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 184b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { "gc-sections", ARGP_gc_sections, NULL, 0, N_("Remove unused sections."), 185b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 0 }, 186b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { "no-gc-sections", ARGP_no_gc_sections, NULL, 0, 187b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper N_("Don't remove unused sections."), 0 }, 188b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 189b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { "soname", 'h', "NAME", 0, N_("Set soname of shared object."), 0 }, 190b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { "dynamic-linker", 'I', "NAME", 0, N_("Set the dynamic linker name."), 0 }, 191b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 192b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { NULL, 'Q', "YN", OPTION_HIDDEN, NULL, 0 }, 193b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { "-Q y | n", 'Q', NULL, OPTION_DOC, 194b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper N_("Add/suppress addition indentifying link-editor to .comment section"), 195b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 0 }, 196b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 1978c56fe3b2c753234beb6f58a81c8b96f008226efUlrich Drepper { "as-needed", ARGP_as_needed, NULL, 0, 1988c56fe3b2c753234beb6f58a81c8b96f008226efUlrich Drepper N_("Only set DT_NEEDED for following dynamic libs if actually used"), 0 }, 1998c56fe3b2c753234beb6f58a81c8b96f008226efUlrich Drepper { "no-as-needed", ARGP_no_as_needed, NULL, 0, 2008c56fe3b2c753234beb6f58a81c8b96f008226efUlrich Drepper N_("Always set DT_NEEDED for following dynamic libs"), 0 }, 2018c56fe3b2c753234beb6f58a81c8b96f008226efUlrich Drepper 202b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper#if YYDEBUG 203b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { "yydebug", ARGP_yydebug, NULL, 0, 204b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper N_("Select to get parser debug information"), 0 }, 205b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper#endif 206b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 207b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { NULL, 0, NULL, 0, NULL, 0 } 208b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper}; 209b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 210b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper/* Short description of program. */ 211b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepperstatic const char doc[] = N_("Combine object and archive files."); 212b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 213b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper/* Strings for arguments in help texts. */ 214b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepperstatic const char args_doc[] = N_("[FILE]..."); 215b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 216b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper/* Prototype for option handler. */ 217b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepperstatic error_t parse_opt_1st (int key, char *arg, struct argp_state *state); 218b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepperstatic error_t parse_opt_2nd (int key, char *arg, struct argp_state *state); 219b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 220b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper/* Data structure to communicate with argp functions. */ 221b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepperstatic struct argp argp_1st = 222b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper{ 223b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper options, parse_opt_1st, args_doc, doc, NULL, NULL, NULL 224b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper}; 225b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepperstatic struct argp argp_2nd = 226b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper{ 227b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper options, parse_opt_2nd, args_doc, doc, NULL, NULL, NULL 228b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper}; 229b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 230b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 231b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper/* Linker state. This contains all global information. */ 232b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepperstruct ld_state ld_state; 233b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 234b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper/* List of the input files. */ 235b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepperstatic struct file_list 236b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper{ 237b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper const char *name; 238b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper struct file_list *next; 239b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper} *input_file_list; 240b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 241b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper/* If nonzero be verbose. */ 242b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepperint verbose; 243b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 244b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper/* If nonzero, trade speed for less memory/address space usage. */ 245b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepperint conserve_memory; 246b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 247b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper/* The emulation name to use. */ 248b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepperstatic const char *emulation; 249b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 250b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper/* Keep track of the nesting level. Even though we don't handle nested 251b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper groups we still keep track to improve the error messages. */ 252b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepperstatic int group_level; 253b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 254b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper/* The last file we processed. */ 255b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepperstatic struct usedfiles *last_file; 256b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 257b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper/* The default linker script. */ 258b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper/* XXX We'll do this a bit different in the real solution. */ 259b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepperstatic const char *linker_script = SRCDIR "/elf32-i386.script"; 260b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 261b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper/* Nonzero if an error occurred while loading the input files. */ 262b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepperstatic int error_loading; 263b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 264b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 265b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper/* Intermediate storage for the LD_LIBRARY_PATH information from the 266b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper environment. */ 267b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepperstatic char *ld_library_path1; 268b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 269b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper/* Flag used to communicate with the scanner. */ 270b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepperint ld_scan_version_script; 271b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 272b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper/* Name of the input file. */ 273b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepperconst char *ldin_fname; 274b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 275b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper/* Define by parser if required. */ 276b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepperextern int lddebug; 277b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 278b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 279b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper/* Prototypes for local functions. */ 280b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepperstatic void parse_z_option (const char *arg); 281b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepperstatic void parse_z_option_2 (const char *arg); 282b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepperstatic void parse_B_option (const char *arg); 283b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepperstatic void parse_B_option_2 (const char *arg); 284b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepperstatic void determine_output_format (void); 285b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepperstatic void load_needed (void); 286b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepperstatic void collect_sections (void); 287b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepperstatic void add_rxxpath (struct pathelement **pathp, const char *str); 288b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepperstatic void gen_rxxpath_data (void); 289b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepperstatic void read_version_script (const char *fname); 290b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepperstatic void create_lscript_symbols (void); 291b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepperstatic void create_special_section_symbol (struct symbol **symp, 292b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper const char *name); 293b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 294b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 295b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepperint 296b08d5a8fb42f4586d756068065186b5af7e48daUlrich Dreppermain (int argc, char *argv[]) 297b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper{ 298b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper int remaining; 299b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper int err; 300b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 301b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper#ifndef NDEBUG 302b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* Enable memory debugging. */ 303b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper mtrace (); 304b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper#endif 305b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 306b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* Sanity check. We always want to use the LFS functionality. */ 307b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper if (sizeof (off_t) != sizeof (off64_t)) 308b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper abort (); 309b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 310b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* We use no threads here which can interfere with handling a stream. */ 311b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper __fsetlocking (stdin, FSETLOCKING_BYCALLER); 312b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper __fsetlocking (stdout, FSETLOCKING_BYCALLER); 313b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper __fsetlocking (stderr, FSETLOCKING_BYCALLER); 314b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 315b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* Set locale. */ 316b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper setlocale (LC_ALL, ""); 317b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 318b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* Make sure the message catalog can be found. */ 319b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper bindtextdomain (PACKAGE, LOCALEDIR); 320b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 321b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* Initialize the message catalog. */ 322b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper textdomain (PACKAGE); 323b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 324b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* Before we start tell the ELF library which version we are using. */ 325b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper elf_version (EV_CURRENT); 326b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 327b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* The user can use the LD_LIBRARY_PATH environment variable to add 328b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper additional lookup directories. */ 329b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper ld_library_path1 = getenv ("LD_LIBRARY_PATH"); 330b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 331b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* Initialize the memory handling. */ 332b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper#define obstack_chunk_alloc xmalloc 333b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper#define obstack_chunk_free free 334b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper obstack_init (&ld_state.smem); 335b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 336b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* One quick pass over the parameters which allows us to scan for options 337b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper with global effect which influence the rest of the processing. */ 338b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper argp_parse (&argp_1st, argc, argv, ARGP_IN_ORDER, &remaining, NULL); 339b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 340b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* We need at least one input file. */ 341b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper if (input_file_list == NULL) 342b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { 343b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper error (0, 0, gettext ("At least one input file needed")); 344b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper argp_help (&argp_1st, stderr, ARGP_HELP_SEE, "ld"); 345b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper exit (EXIT_FAILURE); 346b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper } 347b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 348b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* Determine which ELF backend to use. */ 349b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper determine_output_format (); 350b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 351b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* Prepare state. */ 352b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper err = ld_prepare_state (emulation); 353b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper if (err != 0) 354b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper error (EXIT_FAILURE, 0, gettext ("error while preparing linking")); 355b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 356b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* XXX Read the linker script now. Since we later will have the linker 357b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper script built in we don't go into trouble to make sure we handle GROUP 358b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper statements in the script. This simply must not happen. */ 359b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper ldin = fopen (linker_script, "r"); 360b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper if (ldin == NULL) 361e3f9b7db6c7361579ec5cc5eb5e414f7e93baeb6Ulrich Drepper error (EXIT_FAILURE, errno, gettext ("cannot open linker script '%s'"), 362b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper linker_script); 363b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* No need for locking. */ 364b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper __fsetlocking (ldin, FSETLOCKING_BYCALLER); 365b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 366b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper ld_state.srcfiles = NULL; 367b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper ldlineno = 1; 368b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper ld_scan_version_script = 0; 369b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper ldin_fname = linker_script; 370b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper if (ldparse () != 0) 371b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* Something went wrong during parsing. */ 372b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper exit (EXIT_FAILURE); 373b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper fclose (ldin); 374b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 375b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* We now might have a list of directories to look for libraries in 376b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper named by the linker script. Put them in a different list so that 377b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper they are searched after all paths given by the user on the 378b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper command line. */ 379b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper ld_state.default_paths = ld_state.paths; 380b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper ld_state.paths = ld_state.tailpaths = NULL; 381b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 382b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* Get runpath/rpath information in usable form. */ 383b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper gen_rxxpath_data (); 384b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 385b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* Parse and process arguments for real. */ 386b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper argp_parse (&argp_2nd, argc, argv, ARGP_IN_ORDER, &remaining, NULL); 387b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* All options should have been processed by the argp parser. */ 388b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper assert (remaining == argc); 389b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 390b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* Process the last file. */ 391b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper while (last_file != NULL) 392b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* Try to open the file. */ 393b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper error_loading |= FILE_PROCESS (-1, last_file, &ld_state, &last_file); 394b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 395b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* Stop if there has been a problem while reading the input files. */ 396b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper if (error_loading) 397b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper exit (error_loading); 398b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 399b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* See whether all opened -( were closed. */ 400b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper if (group_level > 0) 401b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { 402b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper error (0, 0, gettext ("-( without matching -)")); 403b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper argp_help (&argp_1st, stderr, ARGP_HELP_SEE, "ld"); 404b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper exit (EXIT_FAILURE); 405b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper } 406b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 407b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* When we create a relocatable file we don't have to look for the 408b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper DT_NEEDED DSOs and we also don't test for undefined symbols. */ 409b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper if (ld_state.file_type != relocatable_file_type) 410b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { 411b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* At this point we have loaded all the direct dependencies. What 412b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper remains to be done is find the indirect dependencies. These are 413b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper DSOs which are referenced by the DT_NEEDED entries in the DSOs 414b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper which are direct dependencies. We have to transitively find and 415b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper load all these dependencies. */ 416b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper load_needed (); 417b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 418b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* At this point all object files and DSOs are read. If there 419b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper are still undefined symbols left they might have to be 420b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper synthesized from the linker script. */ 421b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper create_lscript_symbols (); 422b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 423b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* Now that we have loaded all the object files we can determine 424b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper whether we have any non-weak unresolved references left. If 425b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper there are any we stop. If the user used the '-z nodefs' option 426b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper and we are creating a DSO don't perform the tests. */ 427b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper if (FLAG_UNRESOLVED (&ld_state) != 0) 428b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper exit (1); 429b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper } 430b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 431b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* Collect information about the relocations which will be carried 432b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper forward into the output. We have to do this here and now since 433b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper we need to know which sections have to be created. */ 434b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper if (ld_state.file_type != relocatable_file_type) 435b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { 436b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper void *p ; 437b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper struct scnhead *h; 438b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 439b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper p = NULL; 440b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper while ((h = ld_section_tab_iterate (&ld_state.section_tab, &p)) != NULL) 441b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper if (h->type == SHT_REL || h->type == SHT_RELA) 442b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { 443b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper struct scninfo *runp = h->last; 444b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper do 445b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { 446b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* If we are processing the relocations determine how 447b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper many will be in the output file. Also determine 448b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper how many GOT entries are needed. */ 449b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper COUNT_RELOCATIONS (&ld_state, runp); 450b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 451b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper ld_state.relsize_total += runp->relsize; 452b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper } 453b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper while ((runp = runp->next) != h->last); 454b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper } 455b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper } 456b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 457b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* Not part of the gABI, but part of every psABI: the symbols for the 458b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper GOT section. Add the symbol if necessary. */ 459b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper if (ld_state.need_got) 460b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper create_special_section_symbol (&ld_state.got_symbol, 461b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper "_GLOBAL_OFFSET_TABLE_"); 462b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* Similarly for the _DYNAMIC symbol which points to the dynamic 463b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper section. */ 464b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper if (dynamically_linked_p ()) 465b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper create_special_section_symbol (&ld_state.dyn_symbol, "_DYNAMIC"); 466b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 467b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* We are ready to start working on the output file. Not all 468b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper information has been gather or created yet. This will be done as 469b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper we go. Open the file now. */ 470b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper if (OPEN_OUTFILE (&ld_state, EM_NONE, ELFCLASSNONE, ELFDATANONE) != 0) 471b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper exit (1); 472b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 473b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* Create the sections which are generated by the linker and are not 474b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper present in the input file. The output file must already have 475b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper been opened since we need the ELF descriptor to deduce type 476b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper sizes. */ 477b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper GENERATE_SECTIONS (&ld_state); 478b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 479b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* At this point we have read all the files and know all the 480b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper sections which have to be linked into the application. We do now 481b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper create an array listing all the sections. We will than pass this 482b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper array to a system specific function which can reorder it at will. 483b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper The functions can also merge sections if this is what is 484b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper wanted. */ 485b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper collect_sections (); 486b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 487b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* Create the output sections now. This may requires sorting them 488b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper first. */ 489b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper CREATE_SECTIONS (&ld_state); 490b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 491b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* Create the output file data. Appropriate code for the selected 492b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper output file type is called. */ 493b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper if (CREATE_OUTFILE (&ld_state) != 0) 494b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper exit (1); 495b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 496b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* Finalize the output file, write the data out. */ 497b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper err |= FINALIZE (&ld_state); 498b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 499b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* Return with an non-zero exit status also if any error message has 500b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper been printed. */ 501b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper return err | (error_message_count != 0); 502b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper} 503b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 504b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 505b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper/* Quick scan of the parameter list for options with global effect. */ 506b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepperstatic error_t 507b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepperparse_opt_1st (int key, char *arg, 508b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper struct argp_state *state __attribute__ ((unused))) 509b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper{ 510b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper switch (key) 511b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { 512b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper case 'B': 513b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper parse_B_option (arg); 514b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper break; 515b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 516b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper case 'c': 517b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper linker_script = arg; 518b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper break; 519b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 520b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper case 'E': 521b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper ld_state.export_all_dynamic = true; 522b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper break; 523b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 524b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper case 'G': 525b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper if (ld_state.file_type != no_file_type) 526b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper error (EXIT_FAILURE, 0, 527b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper gettext ("only one option of -G and -r is allowed")); 528b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper ld_state.file_type = dso_file_type; 529b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 530b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* If we generate a DSO we have to export all symbols. */ 531b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper ld_state.export_all_dynamic = true; 532b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper break; 533b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 534b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper case 'h': 535b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper ld_state.soname = arg; 536b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper break; 537b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 538b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper case 'i': 539b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* Discard the LD_LIBRARY_PATH value we found. */ 540b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper ld_library_path1 = NULL; 541b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper break; 542b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 543b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper case 'I': 544b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper ld_state.interp = arg; 545b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper break; 546b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 547b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper case 'm': 548b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper if (emulation != NULL) 549b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper error (EXIT_FAILURE, 0, gettext ("more than one '-m' parameter")); 550b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper emulation = arg; 551b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper break; 552b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 553b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper case 'Q': 554b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper if (arg[1] == '\0' && (arg[0] == 'y' || arg[0] == 'Y')) 555b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper ld_state.add_ld_comment = true; 556b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper else if (arg[1] == '\0' && (arg[0] == 'n' || arg[0] == 'N')) 557b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper ld_state.add_ld_comment = true; 558b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper else 559b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper error (EXIT_FAILURE, 0, gettext ("unknown option `-%c %s'"), 'Q', arg); 560b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper break; 561b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 562b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper case 'r': 563b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper if (ld_state.file_type != no_file_type) 564b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper error (EXIT_FAILURE, 0, 565b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper gettext ("only one option of -G and -r is allowed")); 566b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper ld_state.file_type = relocatable_file_type; 567b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper break; 568b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 569b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper case 'S': 570b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper ld_state.strip = strip_debug; 571b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper break; 572b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 573b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper case 't': 574b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper ld_state.trace_files = true; 575b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper break; 576b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 577b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper case 'v': 578b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper verbose = 1; 579b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper break; 580b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 581b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper case 'z': 582b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* The SysV linker used 'z' to pass various flags to the linker. 583b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper We follow this. See 'parse_z_option' for the options we 584b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper recognize. */ 585b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper parse_z_option (arg); 586b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper break; 587b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 588b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper case ARGP_pagesize: 589b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { 590b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper char *endp; 591b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper ld_state.pagesize = strtoul (arg, &endp, 0); 592b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper if (*endp != '\0') 593b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { 594b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper if (endp[1] == '\0' && tolower (*endp) == 'k') 595b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper ld_state.pagesize *= 1024; 596b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper else if (endp[1] == '\0' && tolower (*endp) == 'm') 597b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper ld_state.pagesize *= 1024 * 1024; 598b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper else 599b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { 600b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper error (0, 0, 601e3f9b7db6c7361579ec5cc5eb5e414f7e93baeb6Ulrich Drepper gettext ("invalid page size value '%s': ignored"), 602b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper arg); 603b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper ld_state.pagesize = 0; 604b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper } 605b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper } 606b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper } 607b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper break; 608b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 609b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper case ARGP_rpath: 610b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper add_rxxpath (&ld_state.rpath, arg); 611b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper break; 612b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 613b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper case ARGP_rpath_link: 614b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper add_rxxpath (&ld_state.rpath_link, arg); 615b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper break; 616b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 617b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper case ARGP_runpath: 618b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper add_rxxpath (&ld_state.runpath, arg); 619b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper break; 620b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 621b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper case ARGP_runpath_link: 622b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper add_rxxpath (&ld_state.runpath_link, arg); 623b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper break; 624b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 625b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper case ARGP_gc_sections: 626b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper case ARGP_no_gc_sections: 627b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper ld_state.gc_sections = key == ARGP_gc_sections; 628b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper break; 629b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 630b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper case 's': 631b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper if (arg == NULL) 632b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { 633b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper if (ld_state.strip == strip_all) 634b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper ld_state.strip = strip_everything; 635b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper else 636b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper ld_state.strip = strip_all; 637b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper break; 638b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper } 639b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* FALLTHROUGH */ 640b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 641b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper case 'e': 642b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper case 'o': 643b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper case 'O': 644b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper case ARGP_whole_archive: 645b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper case ARGP_no_whole_archive: 6468c56fe3b2c753234beb6f58a81c8b96f008226efUlrich Drepper case ARGP_as_needed: 6478c56fe3b2c753234beb6f58a81c8b96f008226efUlrich Drepper case ARGP_no_as_needed: 648b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper case 'L': 649b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper case '(': 650b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper case ')': 651b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper case 'l': 652b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper case ARGP_static: 653b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper case ARGP_dynamic: 654b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper case ARGP_version_script: 655b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* We'll handle these in the second pass. */ 656b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper break; 657b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 658b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper case ARGP_KEY_ARG: 659b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { 660b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper struct file_list *newp; 661b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 662b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper newp = (struct file_list *) xmalloc (sizeof (struct file_list)); 663b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper newp->name = arg; 664b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper#ifndef NDEBUG 665b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper newp->next = NULL; 666b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper#endif 667b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper CSNGL_LIST_ADD_REAR (input_file_list, newp); 668b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper } 669b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper break; 670b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 671b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper#if YYDEBUG 672b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper case ARGP_yydebug: 673b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper lddebug = 1; 674b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper break; 675b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper#endif 676b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 677b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper case ARGP_no_undefined: 678b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper ld_state.nodefs = false; 679b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper break; 680b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 681b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper case ARGP_conserve: 682b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper conserve_memory = 1; 683b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper break; 684b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 685b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper default: 686b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper return ARGP_ERR_UNKNOWN; 687b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper } 688b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper return 0; 689b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper} 690b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 691b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 692b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper/* Handle program arguments for real. */ 693b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepperstatic error_t 694b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepperparse_opt_2nd (int key, char *arg, 695b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper struct argp_state *state __attribute__ ((unused))) 696b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper{ 697b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper static bool group_start_requested; 698b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper static bool group_end_requested; 699b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 700b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper switch (key) 701b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { 702b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper case 'B': 703b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper parse_B_option_2 (arg); 704b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper break; 705b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 706b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper case 'e': 707b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper ld_state.entry = arg; 708b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper break; 709b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 710b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper case 'o': 711b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper if (ld_state.outfname != NULL) 712b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { 713b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper error (0, 0, gettext ("More than one output file name given.")); 714b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper see_help: 715b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper argp_help (&argp_2nd, stderr, ARGP_HELP_SEE, "ld"); 716b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper exit (EXIT_FAILURE); 717b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper } 718b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper ld_state.outfname = arg; 719b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper break; 720b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 721b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper case 'O': 722b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper if (arg == NULL) 723b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper ld_state.optlevel = 1; 724b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper else 725b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { 726b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper char *endp; 727b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper unsigned long int level = strtoul (arg, &endp, 10); 728b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper if (*endp != '\0') 729b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { 730b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper error (0, 0, gettext ("Invalid optimization level `%s'"), arg); 731b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper goto see_help; 732b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper } 733b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper ld_state.optlevel = level; 734b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper } 735b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper break; 736b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 737b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper case ARGP_whole_archive: 738b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper ld_state.extract_rule = allextract; 739b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper break; 740b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper case ARGP_no_whole_archive: 741b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper ld_state.extract_rule = defaultextract; 742b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper break; 743b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 7448c56fe3b2c753234beb6f58a81c8b96f008226efUlrich Drepper case ARGP_as_needed: 7458c56fe3b2c753234beb6f58a81c8b96f008226efUlrich Drepper ld_state.as_needed = true; 7468c56fe3b2c753234beb6f58a81c8b96f008226efUlrich Drepper break; 7478c56fe3b2c753234beb6f58a81c8b96f008226efUlrich Drepper case ARGP_no_as_needed: 7488c56fe3b2c753234beb6f58a81c8b96f008226efUlrich Drepper ld_state.as_needed = false; 7498c56fe3b2c753234beb6f58a81c8b96f008226efUlrich Drepper break; 7508c56fe3b2c753234beb6f58a81c8b96f008226efUlrich Drepper 751b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper case ARGP_static: 752b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper case ARGP_dynamic: 753b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* Enable/disable use for DSOs. */ 754b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper ld_state.statically = key == ARGP_static; 755b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper break; 756b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 757b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper case 'z': 758b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* The SysV linker used 'z' to pass various flags to the linker. 759b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper We follow this. See 'parse_z_option' for the options we 760b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper recognize. */ 761b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper parse_z_option_2 (arg); 762b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper break; 763b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 764b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper case ARGP_version_script: 765b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper read_version_script (arg); 766b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper break; 767b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 768b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper case 'L': 769b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* Add a new search directory. */ 770b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper ld_new_searchdir (arg); 771b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper break; 772b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 773b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper case '(': 774b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* Start a link group. We have to be able to determine the object 775b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper file which is named next. Do this by remembering a pointer to 776b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper the pointer which will point to the next object. */ 777b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper if (verbose && (group_start_requested || !group_end_requested)) 778b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper error (0, 0, gettext ("nested -( -) groups are not allowed")); 779b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 780b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* Increment the nesting level. */ 781b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper ++group_level; 782b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 783b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* Record group start. */ 784b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper group_start_requested = true; 785b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper group_end_requested = false; 786b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper break; 787b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 788b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper case ')': 789b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* End a link group. If there is no group open this is clearly 790b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper a bug. If there is a group open insert a back reference 791b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper pointer in the record for the last object of the group. If 792b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper there is no new object or just one don't do anything. */ 793b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper if (!group_end_requested) 794b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { 795b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper if (group_level == 0) 796b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { 797b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper error (0, 0, gettext ("-) without matching -(")); 798b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper goto see_help; 799b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper } 800b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper } 801b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper else 802b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper last_file->group_end = true; 803b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 804b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper if (group_level > 0) 805b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper --group_level; 806b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper break; 807b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 808b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper case 'l': 809b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper case ARGP_KEY_ARG: 810b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { 811b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper while (last_file != NULL) 812b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* Try to open the file. */ 813b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper error_loading |= FILE_PROCESS (-1, last_file, &ld_state, &last_file); 814b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 815b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper last_file = ld_new_inputfile (arg, 816b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper key == 'l' 817b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper ? archive_file_type 818b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper : relocatable_file_type); 819b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper if (group_start_requested) 820b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { 821b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper last_file->group_start = true; 822b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 823b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper group_start_requested = false; 824b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper group_end_requested = true; 825b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper } 826b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper } 827b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper break; 828b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 829b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper default: 830b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* We can catch all other options here. They either have 831b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper already been handled or, if the parameter was not correct, 832b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper the error has been reported. */ 833b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper break; 834b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper } 835b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper return 0; 836b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper} 837b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 838b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 839b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper/* Load all the DSOs named as dependencies in other DSOs we already 840b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper loaded. */ 841b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepperstatic void 842b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepperload_needed (void) 843b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper{ 844b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper struct usedfiles *first; 845b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper struct usedfiles *runp; 846b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 847b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* XXX There is one problem here: do we allow references from 848b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper regular object files to be satisfied by these implicit 849b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper dependencies? The old linker allows this and several libraries 850b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper depend on this. Solaris' linker does not allow this; it provides 851b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper the user with a comprehensive error message explaining the 852b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper situation. 853b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 854b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper XXX IMO the old ld behavior is correct since this is also how the 855b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper dynamic linker will work. It will look for unresolved references 856b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper in all loaded DSOs. 857b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 858b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper XXX Should we add an option to get Solaris compatibility? */ 859b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper if (ld_state.needed == NULL) 860b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper return; 861b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 862b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper runp = first = ld_state.needed->next; 863b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper do 864b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { 865b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper struct usedfiles *ignore; 866b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper struct usedfiles *next = runp->next; 867b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper int err; 868b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 869b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper err = FILE_PROCESS (-1, runp, &ld_state, &ignore); 870b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper if (err != 0) 871b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* Something went wrong. */ 872b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper exit (err); 873b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 874b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper runp = next; 875b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper } 876b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper while (runp != first); 877b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper} 878b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 879b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 880b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper/* Print the version information. */ 881b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepperstatic void 882b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepperprint_version (FILE *stream, struct argp_state *state __attribute__ ((unused))) 883b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper{ 884b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper fprintf (stream, "ld (%s) %s\n", PACKAGE_NAME, VERSION); 885b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper fprintf (stream, gettext ("\ 886b08d5a8fb42f4586d756068065186b5af7e48daUlrich DrepperCopyright (C) %s Red Hat, Inc.\n\ 887b08d5a8fb42f4586d756068065186b5af7e48daUlrich DrepperThis is free software; see the source for copying conditions. There is NO\n\ 888b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepperwarranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n\ 88982c345d92531e2577f16928efe62c14d19d5fc47Ulrich Drepper"), "2006"); 890b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper fprintf (stream, gettext ("Written by %s.\n"), "Ulrich Drepper"); 891b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper} 892b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 893b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 894b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper/* There are a lot of -z options, parse them here. Some of them have 895b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper to be parsed in the first pass, others must be handled in the 896b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper second pass. */ 897b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepperstatic void 898b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepperparse_z_option (const char *arg) 899b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper{ 900b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper if (strcmp (arg, "nodefaultlib") == 0 901b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* This is only meaningful if we create a DSO. */ 902b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper && ld_state.file_type == dso_file_type) 903b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper ld_state.dt_flags_1 |= DF_1_NODEFLIB; 904b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper else if (strcmp (arg, "muldefs") == 0) 905b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper ld_state.muldefs = true; 906b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper else if (strcmp (arg, "nodefs") == 0) 907b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper ld_state.nodefs = true; 908b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper else if (strcmp (arg, "defs") == 0) 909b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper ld_state.nodefs = false; 910b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper else if (strcmp (arg, "now") == 0) 911b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* We could also set the DF_1_NOW flag in DT_FLAGS_1 but this isn't 912b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper necessary. */ 913b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper ld_state.dt_flags |= DF_BIND_NOW; 914b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper else if (strcmp (arg, "origin") == 0) 915b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* We could also set the DF_1_ORIGIN flag in DT_FLAGS_1 but this isn't 916b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper necessary. */ 917b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper ld_state.dt_flags |= DF_ORIGIN; 918b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper else if (strcmp (arg, "nodelete") == 0 919b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* This is only meaningful if we create a DSO. */ 920b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper && ld_state.file_type == dso_file_type) 921b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper ld_state.dt_flags_1 |= DF_1_NODELETE; 922b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper else if (strcmp (arg, "initfirst") == 0) 923b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper ld_state.dt_flags_1 |= DF_1_INITFIRST; 924b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper else if (strcmp (arg, "nodlopen") == 0 925b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* This is only meaningful if we create a DSO. */ 926b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper && ld_state.file_type == dso_file_type) 927b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper ld_state.dt_flags_1 |= DF_1_NOOPEN; 928b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper else if (strcmp (arg, "systemlibrary") == 0) 929b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper ld_state.is_system_library = true; 9302d88028a7b30d9e9be8e5af089cd6dcc22f80ce1Ulrich Drepper else if (strcmp (arg, "execstack") == 0) 9312d88028a7b30d9e9be8e5af089cd6dcc22f80ce1Ulrich Drepper ld_state.execstack = execstack_true; 9322d88028a7b30d9e9be8e5af089cd6dcc22f80ce1Ulrich Drepper else if (strcmp (arg, "noexecstack") == 0) 9332d88028a7b30d9e9be8e5af089cd6dcc22f80ce1Ulrich Drepper ld_state.execstack = execstack_false_force; 934b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper else if (strcmp (arg, "allextract") != 0 935b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper && strcmp (arg, "defaultextract") != 0 936b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper && strcmp (arg, "weakextract") != 0 937b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper && strcmp (arg, "lazyload") != 0 9384f0a7a89be199fa86d9c5c7a56f4be9c5cfb2a4eUlrich Drepper && strcmp (arg, "nolazyload") != 0 9394f0a7a89be199fa86d9c5c7a56f4be9c5cfb2a4eUlrich Drepper && strcmp (arg, "ignore") != 0 9404f0a7a89be199fa86d9c5c7a56f4be9c5cfb2a4eUlrich Drepper && strcmp (arg, "record") != 0) 941b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper error (0, 0, gettext ("unknown option `-%c %s'"), 'z', arg); 942b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper} 943b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 944b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 945b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepperstatic void 946b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepperparse_z_option_2 (const char *arg) 947b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper{ 948b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper if (strcmp (arg, "allextract") == 0) 949b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper ld_state.extract_rule = allextract; 950b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper else if (strcmp (arg, "defaultextract") == 0) 951b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper ld_state.extract_rule = defaultextract; 952b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper else if (strcmp (arg, "weakextract") == 0) 953b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper ld_state.extract_rule = weakextract; 954b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper else if (strcmp (arg, "lazyload") == 0) 955b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper ld_state.lazyload = true; 956b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper else if (strcmp (arg, "nolazyload") == 0) 957b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper ld_state.lazyload = false; 9584f0a7a89be199fa86d9c5c7a56f4be9c5cfb2a4eUlrich Drepper else if (strcmp (arg, "ignore") == 0) 9594f0a7a89be199fa86d9c5c7a56f4be9c5cfb2a4eUlrich Drepper ld_state.as_needed = true; 9604f0a7a89be199fa86d9c5c7a56f4be9c5cfb2a4eUlrich Drepper else if (strcmp (arg, "record") == 0) 9614f0a7a89be199fa86d9c5c7a56f4be9c5cfb2a4eUlrich Drepper ld_state.as_needed = false; 962b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper} 963b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 964b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 965b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper/* There are a lot of -B options, parse them here. */ 966b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepperstatic void 967b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepperparse_B_option (const char *arg) 968b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper{ 969b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper if (strcmp (arg, "local") == 0) 970b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper ld_state.default_bind_local = true; 971b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper else if (strcmp (arg, "symbolic") != 0 972b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper && strcmp (arg, "static") != 0 973b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper && strcmp (arg, "dynamic") != 0) 974b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper error (0, 0, gettext ("unknown option '-%c %s'"), 'B', arg); 975b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper} 976b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 977b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 978b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper/* The same functionality, but called in the second pass over the 979b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper parameters. */ 980b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepperstatic void 981b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepperparse_B_option_2 (const char *arg) 982b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper{ 983b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper if (strcmp (arg, "static") == 0) 984b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper ld_state.statically = true; 985b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper else if (strcmp (arg, "dynamic") == 0) 986b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper ld_state.statically = false; 987b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper else if (strcmp (arg, "symbolic") == 0 988b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* This is only meaningful if we create a DSO. */ 989b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper && ld_state.file_type == dso_file_type) 990b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper ld_state.dt_flags |= DF_SYMBOLIC; 991b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper} 992b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 993b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 994b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepperstatic void 995b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepperdetermine_output_format (void) 996b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper{ 997b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* First change the 'input_file_list' variable in a simple 998b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper single-linked list. */ 999b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper struct file_list *last = input_file_list; 1000b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper input_file_list = input_file_list->next; 1001b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper last->next = NULL; 1002b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 1003b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* Determine the target configuration which we are supposed to use. 1004b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper The user can use the '-m' option to select one. If this is 1005b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper missing we are trying to load one file and determine the 1006b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper architecture from that. */ 1007b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper if (emulation != NULL) 1008b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { 1009b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper ld_state.ebl = ebl_openbackend_emulation (emulation); 1010b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 1011b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper assert (ld_state.ebl != NULL); 1012b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper } 1013b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper else 1014b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { 1015b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* Find an ELF input file and let it determine the ELf backend. */ 1016b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper struct file_list *runp = input_file_list; 1017b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 1018b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper while (runp != NULL) 1019b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { 1020b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper int fd = open (runp->name, O_RDONLY); 1021b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper if (fd != -1) 1022b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { 1023b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper int try (Elf *elf) 1024b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { 1025b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper int result = 0; 1026b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 1027b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper if (elf == NULL) 1028b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper return 0; 1029b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 1030b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper if (elf_kind (elf) == ELF_K_ELF) 1031b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { 1032b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* We have an ELF file. We now can find out 1033b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper what the output format should be. */ 1034b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper XElf_Ehdr_vardef(ehdr); 1035b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 1036b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* Get the ELF header of the object. */ 1037b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper xelf_getehdr (elf, ehdr); 1038b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper if (ehdr != NULL) 1039b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper ld_state.ebl = 1040b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper ebl_openbackend_machine (ehdr->e_machine); 1041b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 1042b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper result = 1; 1043b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper } 1044b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper else if (elf_kind (elf) == ELF_K_AR) 1045b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { 1046b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* Try the archive members. This could 1047b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper potentially lead to wrong results if the 1048b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper archive contains files for more than one 1049b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper architecture. But this is the user's 1050b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper problem. */ 1051b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper Elf *subelf; 1052b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper Elf_Cmd cmd = ELF_C_READ_MMAP; 1053b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 1054b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper while ((subelf = elf_begin (fd, cmd, elf)) != NULL) 1055b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { 1056b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper cmd = elf_next (subelf); 1057b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 1058b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper if (try (subelf) != 0) 1059b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper break; 1060b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper } 1061b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper } 1062b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 1063b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper elf_end (elf); 1064b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 1065b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper return result; 1066b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper } 1067b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 1068b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper if (try (elf_begin (fd, ELF_C_READ_MMAP, NULL)) != 0) 1069b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* Found a file. */ 1070b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper break; 1071b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper } 1072b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 1073b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper runp = runp->next; 1074b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper } 1075b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 1076b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper if (ld_state.ebl == NULL) 1077b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { 1078b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper error (0, 0, gettext ("\ 1079b08d5a8fb42f4586d756068065186b5af7e48daUlrich Dreppercould not find input file to determine output file format")); 1080b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper error (EXIT_FAILURE, 0, gettext ("\ 1081b08d5a8fb42f4586d756068065186b5af7e48daUlrich Dreppertry again with an appropriate '-m' parameter")); 1082b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper } 1083b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper } 1084b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 1085b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* We don't need the list of input files anymore. The second run over 1086b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper the parameters will handle them. */ 1087b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper while (input_file_list != NULL) 1088b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { 1089b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper struct file_list *oldp = input_file_list; 1090b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper input_file_list = input_file_list->next; 1091b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper free (oldp); 1092b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper } 1093b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 1094b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* We also know now what kind of file we are supposed to create. If 1095b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper the user hasn't selected anythign we create and executable. */ 1096b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper if (ld_state.file_type == no_file_type) 1097b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper ld_state.file_type = executable_file_type; 1098b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper} 1099b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 1100b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper/* Add DIR to the list of directories searched for object files and 1101b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper libraries. */ 1102b08d5a8fb42f4586d756068065186b5af7e48daUlrich Dreppervoid 1103b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepperld_new_searchdir (const char *dir) 1104b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper{ 1105b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper struct pathelement *newpath; 1106b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 1107b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper newpath = (struct pathelement *) 1108b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper obstack_calloc (&ld_state.smem, sizeof (struct pathelement)); 1109b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 1110b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper newpath->pname = dir; 1111b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 1112b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* Enqueue the file. */ 1113b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper if (ld_state.tailpaths == NULL) 1114b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper ld_state.paths = ld_state.tailpaths = newpath; 1115b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper else 1116b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { 1117b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper ld_state.tailpaths->next = newpath; 1118b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper ld_state.tailpaths = newpath; 1119b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper } 1120b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper} 1121b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 1122b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 1123b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepperstruct usedfiles * 1124b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepperld_new_inputfile (const char *fname, enum file_type type) 1125b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper{ 1126b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper struct usedfiles *newfile = (struct usedfiles *) 1127b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper obstack_calloc (&ld_state.smem, sizeof (struct usedfiles)); 1128b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 1129b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper newfile->soname = newfile->fname = newfile->rfname = fname; 1130b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper newfile->file_type = type; 1131b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper newfile->extract_rule = ld_state.extract_rule; 11328c56fe3b2c753234beb6f58a81c8b96f008226efUlrich Drepper newfile->as_needed = ld_state.as_needed; 1133b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper newfile->lazyload = ld_state.lazyload; 1134b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper newfile->status = not_opened; 1135b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 1136b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper return newfile; 1137b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper} 1138b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 1139b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 1140b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper/* Create an array listing all the sections. We will than pass this 1141b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper array to a system specific function which can reorder it at will. 1142b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper The functions can also merge sections if this is what is 1143b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper wanted. */ 1144b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepperstatic void 1145b08d5a8fb42f4586d756068065186b5af7e48daUlrich Dreppercollect_sections (void) 1146b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper{ 1147b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper void *p ; 1148b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper struct scnhead *h; 1149b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper size_t cnt; 1150b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 1151b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* We have that many sections. At least for now. */ 1152b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper ld_state.nallsections = ld_state.section_tab.filled; 1153b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 1154b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* Allocate the array. We allocate one more entry than computed so 1155b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper far since we might need a new section for the copy relocations. */ 1156b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper ld_state.allsections = 1157b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper (struct scnhead **) obstack_alloc (&ld_state.smem, 1158b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper (ld_state.nallsections + 1) 1159b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper * sizeof (struct scnhead *)); 1160b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 1161b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* Fill the array. We rely here on the hash table iterator to 1162b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper return the entries in the order they were added. */ 1163b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper cnt = 0; 1164b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper p = NULL; 1165b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper while ((h = ld_section_tab_iterate (&ld_state.section_tab, &p)) != NULL) 1166b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { 1167b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper struct scninfo *runp; 1168b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper bool used = false; 1169b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 1170b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper if (h->kind == scn_normal) 1171b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { 1172b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper runp = h->last; 1173b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper do 1174b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { 1175b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper if (h->type == SHT_REL || h->type == SHT_RELA) 1176b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { 1177b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper if (runp->used) 1178b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* This is a relocation section. If the section 1179b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper it is relocating is used in the result so must 1180b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper the relocation section. */ 1181b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper runp->used 1182b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper = runp->fileinfo->scninfo[SCNINFO_SHDR (runp->shdr).sh_info].used; 1183b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper } 1184b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 1185b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* Accumulate the result. */ 1186b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper used |= runp->used; 1187b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 1188b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* Next input section. */ 1189b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper runp = runp->next; 1190b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper } 1191b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper while (runp != h->last); 1192b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 1193b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper h->used = used; 1194b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper } 1195b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 1196b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper ld_state.allsections[cnt++] = h; 1197b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper } 1198b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper ld_state.nusedsections = cnt; 1199b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 1200b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper assert (cnt == ld_state.nallsections); 1201b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper} 1202b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 1203b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 1204b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper/* Add given path to the end of list. */ 1205b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepperstatic void 1206b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepperadd_rxxpath (struct pathelement **pathp, const char *str) 1207b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper{ 1208b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper struct pathelement *newp; 1209b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 1210b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* The path elements can in theory be freed after we read all the 1211b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper files. But the amount of memory we are talking about is small 1212b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper and the cost of free() calls is not neglectable. */ 1213b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper newp = (struct pathelement *) obstack_alloc (&ld_state.smem, sizeof (*newp)); 1214b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper newp->pname = str; 1215b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper newp->exist = 0; 1216b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper#ifndef NDEBUG 1217b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper newp->next = NULL; 1218b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper#endif 1219b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 1220b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper CSNGL_LIST_ADD_REAR (*pathp, newp); 1221b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper} 1222b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 1223b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 1224b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper/* Convert lists of possibly colon-separated directory lists into lists 1225b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper where each entry is for a single directory. */ 1226b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepperstatic void 1227b08d5a8fb42f4586d756068065186b5af7e48daUlrich Dreppernormalize_dirlist (struct pathelement **pathp) 1228b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper{ 1229b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper struct pathelement *firstp = *pathp; 1230b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 1231b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper do 1232b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { 1233b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper const char *pname = (*pathp)->pname; 1234b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper const char *colonp = strchrnul (pname, ':'); 1235b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 1236b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper if (colonp != NULL) 1237b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { 1238b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper struct pathelement *lastp = *pathp; 1239b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper struct pathelement *newp; 1240b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 1241b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper while (1) 1242b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { 1243b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper if (colonp == pname) 1244b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper lastp->pname = "."; 1245b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper else 1246b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper lastp->pname = obstack_strndup (&ld_state.smem, pname, 1247b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper colonp - pname); 1248b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 1249b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper if (*colonp == '\0') 1250b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper break; 1251b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper pname = colonp + 1; 1252b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 1253b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper newp = (struct pathelement *) obstack_alloc (&ld_state.smem, 1254b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper sizeof (*newp)); 1255b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper newp->next = lastp->next; 1256b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper newp->exist = 0; 1257b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper lastp = lastp->next = newp; 1258b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 1259b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper colonp = strchrnul (pname, ':'); 1260b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper } 1261b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 1262b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper pathp = &lastp->next; 1263b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper } 1264b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper else 1265b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper pathp = &(*pathp)->next; 1266b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper } 1267b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper while (*pathp != firstp); 1268b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper} 1269b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 1270b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 1271b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper/* Called after all parameters are parsed to bring the runpath/rpath 1272b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper information into a usable form. */ 1273b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepperstatic void 1274b08d5a8fb42f4586d756068065186b5af7e48daUlrich Dreppergen_rxxpath_data (void) 1275b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper{ 1276b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper char *ld_library_path2; 1277b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 1278b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* Convert the information in true single-linked lists for easy use. 1279b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper At this point we also discard the rpath information if runpath 1280b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper information is provided. rpath is deprecated and should not be 1281b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper used (or ever be invented for that matter). */ 1282b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper if (ld_state.rpath != NULL) 1283b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { 1284b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper struct pathelement *endp = ld_state.rpath; 1285b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper ld_state.rpath = ld_state.rpath->next; 1286b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper endp->next = NULL; 1287b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper } 1288b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper if (ld_state.rpath_link != NULL) 1289b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { 1290b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper struct pathelement *endp = ld_state.rpath_link; 1291b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper ld_state.rpath_link = ld_state.rpath_link->next; 1292b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper endp->next = NULL; 1293b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper } 1294b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 1295b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper if (ld_state.runpath != NULL) 1296b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { 1297b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper struct pathelement *endp = ld_state.runpath; 1298b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper ld_state.runpath = ld_state.runpath->next; 1299b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper endp->next = NULL; 1300b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 1301b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* If rpath information is also available discard it. 1302b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper XXX Should there be a possibility to avoid this? */ 1303b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper while (ld_state.rpath != NULL) 1304b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { 1305b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper struct pathelement *old = ld_state.rpath; 1306b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper ld_state.rpath = ld_state.rpath->next; 1307b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper free (old); 1308b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper } 1309b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper } 1310b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper if (ld_state.runpath_link != NULL) 1311b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { 1312b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper struct pathelement *endp = ld_state.runpath_link; 1313b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper ld_state.runpath_link = ld_state.runpath_link->next; 1314b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper endp->next = NULL; 1315b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 1316b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* If rpath information is also available discard it. 1317b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper XXX Should there be a possibility to avoid this? */ 1318b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper while (ld_state.rpath_link != NULL) 1319b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { 1320b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper struct pathelement *old = ld_state.rpath_link; 1321b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper ld_state.rpath_link = ld_state.rpath_link->next; 1322b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper free (old); 1323b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper } 1324b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 1325b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* The information in the strings in the list can actually be 1326b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper directory lists themselves, with entries separated by colons. 1327b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper Convert the list now to a list with one list entry for each 1328b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper directory. */ 1329b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper normalize_dirlist (&ld_state.runpath_link); 1330b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper } 1331b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper else if (ld_state.rpath_link != NULL) 1332b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* Same as for the runpath_link above. */ 1333b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper normalize_dirlist (&ld_state.rpath_link); 1334b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 1335b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 1336b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* As a related task, handle the LD_LIBRARY_PATH value here. First 1337b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper we have to possibly split the value found (if it contains a 1338b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper semicolon). Then we have to split the value in list of 1339b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper directories, i.e., split at the colons. */ 1340b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper if (ld_library_path1 != NULL) 1341b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { 1342b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper ld_library_path2 = strchr (ld_library_path1, ';'); 1343b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper if (ld_library_path2 == NULL) 1344b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { 1345b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* If no semicolon is present the directories are looked at 1346b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper after the -L parameters (-> ld_library_path2). */ 1347b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper ld_library_path2 = ld_library_path1; 1348b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper ld_library_path1 = NULL; 1349b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper } 1350b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper else 1351b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { 1352b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* NUL terminate the first part. */ 1353b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper *ld_library_path2++ = '\0'; 1354b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 1355b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* Convert the string value in a list. */ 1356b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper add_rxxpath (&ld_state.ld_library_path1, ld_library_path1); 1357b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper normalize_dirlist (&ld_state.ld_library_path1); 1358b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper } 1359b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 1360b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper add_rxxpath (&ld_state.ld_library_path2, ld_library_path2); 1361b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper normalize_dirlist (&ld_state.ld_library_path2); 1362b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper } 1363b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper} 1364b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 1365b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 1366b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepperstatic void 1367b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepperread_version_script (const char *fname) 1368b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper{ 1369b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* Open the file. The name is supposed to be the complete (relative 1370b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper or absolute) path. No search along a path will be performed. */ 1371b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper ldin = fopen (fname, "r"); 1372b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper if (ldin == NULL) 1373e3f9b7db6c7361579ec5cc5eb5e414f7e93baeb6Ulrich Drepper error (EXIT_FAILURE, errno, gettext ("cannot read version script '%s'"), 1374b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper fname); 1375b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* No need for locking. */ 1376b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper __fsetlocking (ldin, FSETLOCKING_BYCALLER); 1377b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 1378b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* Tell the parser that this is a version script. */ 1379b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper ld_scan_version_script = 1; 1380b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 1381b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper ldlineno = 1; 1382b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper ldin_fname = fname; 1383b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper if (ldparse () != 0) 1384b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* Something went wrong during parsing. */ 1385b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper exit (EXIT_FAILURE); 1386b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 1387b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper fclose (ldin); 1388b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper} 1389b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 1390b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 1391b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepperstatic void 1392b08d5a8fb42f4586d756068065186b5af7e48daUlrich Dreppercreate_lscript_symbols (void) 1393b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper{ 1394b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* Walk through the data from the linker script and generate all the 1395b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper symbols which are required to be present and and those marked 1396b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper with PROVIDE if there is a undefined reference. */ 1397b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper if (ld_state.output_segments == NULL) 1398b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper return; 1399b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 1400b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper struct output_segment *segment = ld_state.output_segments->next; 1401b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper do 1402b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { 1403b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper struct output_rule *orule; 1404b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 1405b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper for (orule = segment->output_rules; orule != NULL; orule = orule->next) 1406b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper if (orule->tag == output_assignment 1407b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* The assignments to "." (i.e., the PC) have to be 1408b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper ignored here. */ 1409b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper && strcmp (orule->val.assignment->variable, ".") != 0) 1410b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { 1411b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper struct symbol *s = ld_state.unresolved; 1412b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 1413b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* Check whether the symbol is needed. */ 1414b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper if (likely (s != NULL)) 1415b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { 1416b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper struct symbol *first = s; 1417b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper const char *providename = orule->val.assignment->variable; 1418b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 1419b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* Determine whether the provided symbol is still 1420b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper undefined. */ 1421b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper // XXX TODO Loop inside a loop. Gag! Must rewrite. */ 1422b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper do 1423b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper if (strcmp (s->name, providename) == 0) 1424b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { 1425b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* Not defined but referenced. */ 1426b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper if (unlikely (!s->defined)) 1427b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { 1428b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* Put on the list of symbols. First remove it from 1429b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper whatever list it currently is on. */ 1430b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper CDBL_LIST_DEL (ld_state.unresolved, s); 1431b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper --ld_state.nunresolved; 1432b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper goto use_it; 1433b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper } 1434b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 1435b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper if (unlikely (!orule->val.assignment->provide_flag)) 1436b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { 1437b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* The symbol is already defined and now again 1438b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper in the linker script. This is an error. */ 1439b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper error (0, 0, gettext ("\ 1440b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepperduplicate definition of '%s' in linker script"), 1441b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper providename); 1442b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper goto next_rule; 1443b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper } 1444b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper } 1445b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper while ((s = s->next) != first); 1446b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper } 1447b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 1448b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* If the symbol only has to be provided if it is needed, 1449b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper ignore it here since it is not undefined. */ 1450b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper if (orule->val.assignment->provide_flag) 1451b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper continue; 1452b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 1453b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* Allocate memory for this new symbol. */ 1454b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper s = (struct symbol *) 1455b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper obstack_calloc (&ld_state.smem, sizeof (struct symbol)); 1456b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 1457b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* Initialize it. */ 1458b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper s->name = orule->val.assignment->variable; 1459b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 1460b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* Insert it into the symbol hash table. */ 1461b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper unsigned long int hval = elf_hash (s->name); 1462b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper if (unlikely (ld_symbol_tab_insert (&ld_state.symbol_tab, 1463b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper hval, s) != 0)) 1464b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { 1465b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* This means the symbol is defined somewhere else. 1466b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper Maybe it comes from a DSO or so. Get the 1467b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper definition. */ 1468b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper free (s); 1469b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper struct symbol *old = ld_symbol_tab_find (&ld_state.symbol_tab, 1470b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper hval, s); 1471b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper assert (old != NULL); 1472b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper free (s); 1473b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 1474b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* If this is a definition from the application itself 1475b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper this means a duplicate definition. */ 1476b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper if (! old->in_dso) 1477b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { 1478b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper error (0, 0, gettext ("\ 1479b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepperduplicate definition of '%s' in linker script"), 1480b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper s->name); 1481b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper goto next_rule; 1482b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper } 1483b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 1484b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* We use the definition from the linker script. */ 1485b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper s = old; 1486b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper } 1487b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 1488b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper use_it: 1489b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* The symbol is (now) defined. */ 1490b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper s->defined = 1; 1491b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper s->type = STT_NOTYPE; 1492b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 1493b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* Add a reference to the symbol record. We will come 1494b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper across it when creating the output file. */ 1495b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper orule->val.assignment->sym = s; 1496b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 1497b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper SNGL_LIST_PUSH (ld_state.lscript_syms, s); 1498b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper ++ld_state.nlscript_syms; 1499b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 1500b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper next_rule: 1501b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper ; 1502b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper } 1503b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 1504b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper segment = segment->next; 1505b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper } 1506b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper while (segment != ld_state.output_segments->next); 1507b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper} 1508b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 1509b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 1510b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper/* Create creation of spection section symbols representing sections in the 1511b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper output file. This is done for symbols like _GLOBAL_OFFSET_TABLE_ and 1512b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper _DYNAMIC. */ 1513b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepperstatic void 1514b08d5a8fb42f4586d756068065186b5af7e48daUlrich Dreppercreate_special_section_symbol (struct symbol **symp, const char *name) 1515b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper{ 1516b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper if (*symp == NULL) 1517b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { 1518b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* No symbol defined found yet. Create one. */ 1519b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper struct symbol *newsym = (struct symbol *) 1520b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper obstack_calloc (&ld_state.smem, sizeof (*newsym)); 1521b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 1522b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper newsym->name = name; 1523b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper // XXX Should we mark the symbol hidden? They are hardly useful 1524b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper // used outside the current object. 1525b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 1526b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* Add to the symbol table. */ 1527b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper if (unlikely (ld_symbol_tab_insert (&ld_state.symbol_tab, 1528b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper elf_hash (name), newsym) != 0)) 1529b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper abort (); 1530b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 1531b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper *symp = newsym; 1532b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper } 1533b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper else if ((*symp)->defined) 1534b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* Cannot happen. We do use this symbol from any input file. */ 1535b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper abort (); 1536b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 1537b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper (*symp)->defined = 1; 1538b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper (*symp)->type = STT_OBJECT; 1539b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 1540b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper ++ld_state.nsymtab; 1541b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper} 1542