1999-05-03 09:29:11 +02:00
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/* Main program of GNU linker.
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2002-02-10 20:12:13 +01:00
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Copyright 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001,
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2006-03-16 13:20:16 +01:00
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2002, 2003, 2004, 2005, 2006
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1999-05-03 09:29:11 +02:00
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Free Software Foundation, Inc.
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Written by Steve Chamberlain steve@cygnus.com
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2002-11-14 19:03:17 +01:00
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This file is part of GLD, the Gnu Linker.
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1999-05-03 09:29:11 +02:00
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2002-11-14 19:03:17 +01:00
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GLD is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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1999-05-03 09:29:11 +02:00
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2002-11-14 19:03:17 +01:00
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GLD is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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1999-05-03 09:29:11 +02:00
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2002-11-14 19:03:17 +01:00
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You should have received a copy of the GNU General Public License
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along with GLD; see the file COPYING. If not, write to the Free
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2005-05-12 09:32:09 +02:00
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Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
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02110-1301, USA. */
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1999-05-03 09:29:11 +02:00
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#include "bfd.h"
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#include "sysdep.h"
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#include <stdio.h>
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2001-09-19 07:33:36 +02:00
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#include "safe-ctype.h"
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1999-05-03 09:29:11 +02:00
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#include "libiberty.h"
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#include "progress.h"
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#include "bfdlink.h"
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2000-05-26 15:11:57 +02:00
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#include "filenames.h"
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1999-05-03 09:29:11 +02:00
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#include "ld.h"
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#include "ldmain.h"
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#include "ldmisc.h"
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#include "ldwrite.h"
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#include "ldexp.h"
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#include "ldlang.h"
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2002-10-30 04:57:39 +01:00
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#include <ldgram.h>
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1999-05-03 09:29:11 +02:00
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#include "ldlex.h"
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#include "ldfile.h"
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2000-07-11 05:42:41 +02:00
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#include "ldemul.h"
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1999-05-03 09:29:11 +02:00
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#include "ldctor.h"
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2003-02-25 11:32:33 +01:00
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/* Somewhere above, sys/stat.h got included. */
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1999-05-03 09:29:11 +02:00
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#if !defined(S_ISDIR) && defined(S_IFDIR)
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#define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR)
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#endif
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#include <string.h>
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#ifdef HAVE_SBRK
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2005-06-09 20:39:34 +02:00
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#if !HAVE_DECL_SBRK
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2003-06-28 07:28:54 +02:00
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extern void *sbrk ();
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1999-05-03 09:29:11 +02:00
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#endif
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#endif
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2003-01-06 17:14:01 +01:00
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#ifndef TARGET_SYSTEM_ROOT
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#define TARGET_SYSTEM_ROOT ""
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#endif
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1999-05-03 09:29:11 +02:00
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/* EXPORTS */
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char *default_target;
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const char *output_filename = "a.out";
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/* Name this program was invoked by. */
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char *program_name;
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2003-01-06 17:14:01 +01:00
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/* The prefix for system library directories. */
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2005-01-19 12:42:49 +01:00
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const char *ld_sysroot;
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2003-01-06 17:14:01 +01:00
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2003-03-25 11:29:28 +01:00
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/* The canonical representation of ld_sysroot. */
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char * ld_canon_sysroot;
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int ld_canon_sysroot_len;
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2000-09-21 22:21:59 +02:00
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/* The file that we're creating. */
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1999-05-03 09:29:11 +02:00
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bfd *output_bfd = 0;
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/* Set by -G argument, for MIPS ECOFF target. */
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int g_switch_value = 8;
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/* Nonzero means print names of input files as processed. */
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2002-11-30 09:39:46 +01:00
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bfd_boolean trace_files;
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1999-05-03 09:29:11 +02:00
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/* Nonzero means same, but note open failures, too. */
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2002-11-30 09:39:46 +01:00
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bfd_boolean trace_file_tries;
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1999-05-03 09:29:11 +02:00
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/* Nonzero means version number was printed, so exit successfully
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instead of complaining if no input files are given. */
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2002-11-30 09:39:46 +01:00
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bfd_boolean version_printed;
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1999-05-03 09:29:11 +02:00
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/* Nonzero means link in every member of an archive. */
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2002-11-30 09:39:46 +01:00
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bfd_boolean whole_archive;
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1999-05-03 09:29:11 +02:00
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2004-03-18 13:50:20 +01:00
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/* Nonzero means create DT_NEEDED entries only if a dynamic library
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actually satisfies some reference in a regular object. */
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bfd_boolean as_needed;
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2004-07-19 18:40:52 +02:00
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/* Nonzero means never create DT_NEEDED entries for dynamic libraries
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in DT_NEEDED tags. */
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bfd_boolean add_needed = TRUE;
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2002-11-30 09:39:46 +01:00
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/* TRUE if we should demangle symbol names. */
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bfd_boolean demangling;
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1999-05-03 09:29:11 +02:00
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args_type command_line;
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ld_config_type config;
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2004-10-04 18:45:51 +02:00
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sort_type sort_section;
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2005-01-19 12:42:49 +01:00
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static const char *get_sysroot
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(int, char **);
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2003-02-25 11:32:33 +01:00
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static char *get_emulation
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2003-06-28 07:28:54 +02:00
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(int, char **);
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2003-02-25 11:32:33 +01:00
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static void set_scripts_dir
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2003-06-28 07:28:54 +02:00
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(void);
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2003-02-25 11:32:33 +01:00
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static bfd_boolean add_archive_element
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2003-06-28 07:28:54 +02:00
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(struct bfd_link_info *, bfd *, const char *);
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2003-02-25 11:32:33 +01:00
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static bfd_boolean multiple_definition
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2003-06-28 07:28:54 +02:00
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(struct bfd_link_info *, const char *, bfd *, asection *, bfd_vma,
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bfd *, asection *, bfd_vma);
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2003-02-25 11:32:33 +01:00
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static bfd_boolean multiple_common
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2003-06-28 07:28:54 +02:00
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(struct bfd_link_info *, const char *, bfd *, enum bfd_link_hash_type,
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bfd_vma, bfd *, enum bfd_link_hash_type, bfd_vma);
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2003-02-25 11:32:33 +01:00
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static bfd_boolean add_to_set
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2003-06-28 07:28:54 +02:00
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(struct bfd_link_info *, struct bfd_link_hash_entry *,
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bfd_reloc_code_real_type, bfd *, asection *, bfd_vma);
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2003-02-25 11:32:33 +01:00
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static bfd_boolean constructor_callback
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2003-06-28 07:28:54 +02:00
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(struct bfd_link_info *, bfd_boolean, const char *, bfd *,
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asection *, bfd_vma);
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2003-02-25 11:32:33 +01:00
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static bfd_boolean warning_callback
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2003-06-28 07:28:54 +02:00
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(struct bfd_link_info *, const char *, const char *, bfd *,
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asection *, bfd_vma);
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2003-02-25 11:32:33 +01:00
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static void warning_find_reloc
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2003-06-28 07:28:54 +02:00
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(bfd *, asection *, void *);
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2003-02-25 11:32:33 +01:00
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static bfd_boolean undefined_symbol
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2003-06-28 07:28:54 +02:00
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(struct bfd_link_info *, const char *, bfd *, asection *, bfd_vma,
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bfd_boolean);
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2003-02-25 11:32:33 +01:00
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static bfd_boolean reloc_overflow
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2004-10-21 17:28:33 +02:00
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(struct bfd_link_info *, struct bfd_link_hash_entry *, const char *,
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const char *, bfd_vma, bfd *, asection *, bfd_vma);
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2003-02-25 11:32:33 +01:00
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static bfd_boolean reloc_dangerous
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2003-06-28 07:28:54 +02:00
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(struct bfd_link_info *, const char *, bfd *, asection *, bfd_vma);
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2003-02-25 11:32:33 +01:00
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static bfd_boolean unattached_reloc
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2003-06-28 07:28:54 +02:00
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(struct bfd_link_info *, const char *, bfd *, asection *, bfd_vma);
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2003-02-25 11:32:33 +01:00
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static bfd_boolean notice
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2003-06-28 07:28:54 +02:00
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(struct bfd_link_info *, const char *, bfd *, asection *, bfd_vma);
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2003-02-25 11:32:33 +01:00
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static struct bfd_link_callbacks link_callbacks =
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{
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1999-05-03 09:29:11 +02:00
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add_archive_element,
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multiple_definition,
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multiple_common,
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add_to_set,
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constructor_callback,
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warning_callback,
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undefined_symbol,
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reloc_overflow,
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reloc_dangerous,
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unattached_reloc,
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2005-06-03 11:52:50 +02:00
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notice,
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einfo
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1999-05-03 09:29:11 +02:00
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};
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struct bfd_link_info link_info;
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static void
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2003-06-28 07:28:54 +02:00
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remove_output (void)
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1999-05-03 09:29:11 +02:00
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{
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2000-09-21 22:21:59 +02:00
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if (output_filename)
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1999-05-03 09:29:11 +02:00
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{
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2004-02-15 03:24:53 +01:00
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if (output_bfd)
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bfd_cache_close (output_bfd);
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1999-05-03 09:29:11 +02:00
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if (delete_output_file_on_failure)
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2005-03-02 10:03:58 +01:00
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unlink_if_ordinary (output_filename);
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1999-05-03 09:29:11 +02:00
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}
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}
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int
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2003-06-28 07:28:54 +02:00
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main (int argc, char **argv)
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1999-05-03 09:29:11 +02:00
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{
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char *emulation;
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long start_time = get_run_time ();
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#if defined (HAVE_SETLOCALE) && defined (HAVE_LC_MESSAGES)
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setlocale (LC_MESSAGES, "");
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2001-09-19 07:33:36 +02:00
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#endif
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#if defined (HAVE_SETLOCALE)
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setlocale (LC_CTYPE, "");
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1999-05-03 09:29:11 +02:00
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#endif
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bindtextdomain (PACKAGE, LOCALEDIR);
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textdomain (PACKAGE);
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program_name = argv[0];
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xmalloc_set_program_name (program_name);
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START_PROGRESS (program_name, 0);
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2005-09-30 18:37:32 +02:00
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expandargv (&argc, &argv);
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1999-05-03 09:29:11 +02:00
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bfd_init ();
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bfd_set_error_program_name (program_name);
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xatexit (remove_output);
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2005-01-19 12:42:49 +01:00
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/* Set up the sysroot directory. */
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ld_sysroot = get_sysroot (argc, argv);
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if (*ld_sysroot)
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2003-01-06 17:14:01 +01:00
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{
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2005-01-19 12:42:49 +01:00
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if (*TARGET_SYSTEM_ROOT == 0)
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2003-01-06 17:14:01 +01:00
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{
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2005-11-07 00:12:36 +01:00
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einfo ("%P%F: this linker was not configured to use sysroots\n");
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2005-01-19 12:42:49 +01:00
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ld_sysroot = "";
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2003-02-25 11:32:33 +01:00
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}
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2005-01-19 12:42:49 +01:00
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else
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ld_canon_sysroot = lrealpath (ld_sysroot);
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2003-02-25 11:32:33 +01:00
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}
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2003-03-25 11:29:28 +01:00
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if (ld_canon_sysroot)
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ld_canon_sysroot_len = strlen (ld_canon_sysroot);
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else
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ld_canon_sysroot_len = -1;
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1999-05-03 09:29:11 +02:00
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/* Set the default BFD target based on the configured target. Doing
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this permits the linker to be configured for a particular target,
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and linked against a shared BFD library which was configured for
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a different target. The macro TARGET is defined by Makefile. */
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if (! bfd_set_default_target (TARGET))
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{
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einfo (_("%X%P: can't set BFD default target to `%s': %E\n"), TARGET);
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xexit (1);
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}
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2001-10-20 15:49:00 +02:00
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#if YYDEBUG
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{
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extern int yydebug;
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yydebug = 1;
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}
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#endif
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1999-05-03 09:29:11 +02:00
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/* Initialize the data about options. */
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2002-11-30 09:39:46 +01:00
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trace_files = trace_file_tries = version_printed = FALSE;
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whole_archive = FALSE;
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config.build_constructors = TRUE;
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config.dynamic_link = FALSE;
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config.has_shared = FALSE;
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2000-09-05 05:05:19 +02:00
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config.split_by_reloc = (unsigned) -1;
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config.split_by_file = (bfd_size_type) -1;
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2004-05-21 17:38:04 +02:00
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config.hash_table_size = 0;
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2002-11-30 09:39:46 +01:00
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command_line.force_common_definition = FALSE;
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command_line.inhibit_common_definition = FALSE;
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1999-05-03 09:29:11 +02:00
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command_line.interpreter = NULL;
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command_line.rpath = NULL;
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2002-11-30 09:39:46 +01:00
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command_line.warn_mismatch = TRUE;
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command_line.check_section_addresses = TRUE;
|
2002-12-23 11:45:03 +01:00
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command_line.accept_unknown_input_arch = FALSE;
|
2004-05-19 16:15:55 +02:00
|
|
|
|
command_line.reduce_memory_overheads = FALSE;
|
1999-05-03 09:29:11 +02:00
|
|
|
|
|
2004-10-04 18:45:51 +02:00
|
|
|
|
sort_section = none;
|
|
|
|
|
|
1999-05-03 09:29:11 +02:00
|
|
|
|
/* We initialize DEMANGLING based on the environment variable
|
|
|
|
|
COLLECT_NO_DEMANGLE. The gcc collect2 program will demangle the
|
|
|
|
|
output of the linker, unless COLLECT_NO_DEMANGLE is set in the
|
|
|
|
|
environment. Acting the same way here lets us provide the same
|
|
|
|
|
interface by default. */
|
|
|
|
|
demangling = getenv ("COLLECT_NO_DEMANGLE") == NULL;
|
|
|
|
|
|
2003-06-25 08:40:27 +02:00
|
|
|
|
link_info.relocatable = FALSE;
|
2002-11-30 09:39:46 +01:00
|
|
|
|
link_info.emitrelocations = FALSE;
|
2002-12-20 00:11:19 +01:00
|
|
|
|
link_info.task_link = FALSE;
|
2002-11-30 09:39:46 +01:00
|
|
|
|
link_info.shared = FALSE;
|
2003-05-30 17:50:12 +02:00
|
|
|
|
link_info.pie = FALSE;
|
|
|
|
|
link_info.executable = FALSE;
|
2002-11-30 09:39:46 +01:00
|
|
|
|
link_info.symbolic = FALSE;
|
|
|
|
|
link_info.export_dynamic = FALSE;
|
|
|
|
|
link_info.static_link = FALSE;
|
|
|
|
|
link_info.traditional_format = FALSE;
|
|
|
|
|
link_info.optimize = FALSE;
|
2003-08-20 10:37:19 +02:00
|
|
|
|
link_info.unresolved_syms_in_objects = RM_NOT_YET_SET;
|
|
|
|
|
link_info.unresolved_syms_in_shared_libs = RM_NOT_YET_SET;
|
2002-11-30 09:39:46 +01:00
|
|
|
|
link_info.allow_multiple_definition = FALSE;
|
|
|
|
|
link_info.allow_undefined_version = TRUE;
|
2004-10-26 15:46:05 +02:00
|
|
|
|
link_info.create_default_symver = FALSE;
|
2004-11-16 00:21:27 +01:00
|
|
|
|
link_info.default_imported_symver = FALSE;
|
2002-12-20 00:11:19 +01:00
|
|
|
|
link_info.keep_memory = TRUE;
|
|
|
|
|
link_info.notice_all = FALSE;
|
|
|
|
|
link_info.nocopyreloc = FALSE;
|
|
|
|
|
link_info.new_dtags = FALSE;
|
|
|
|
|
link_info.combreloc = TRUE;
|
|
|
|
|
link_info.eh_frame_hdr = FALSE;
|
2004-05-11 19:08:38 +02:00
|
|
|
|
link_info.relro = FALSE;
|
2002-12-23 13:05:38 +01:00
|
|
|
|
link_info.strip_discarded = TRUE;
|
1999-05-03 09:29:11 +02:00
|
|
|
|
link_info.strip = strip_none;
|
2001-04-13 02:34:36 +02:00
|
|
|
|
link_info.discard = discard_sec_merge;
|
2002-12-20 00:11:19 +01:00
|
|
|
|
link_info.common_skip_ar_aymbols = bfd_link_common_skip_none;
|
|
|
|
|
link_info.callbacks = &link_callbacks;
|
1999-05-03 09:29:11 +02:00
|
|
|
|
link_info.hash = NULL;
|
|
|
|
|
link_info.keep_hash = NULL;
|
|
|
|
|
link_info.notice_hash = NULL;
|
|
|
|
|
link_info.wrap_hash = NULL;
|
2002-12-20 00:11:19 +01:00
|
|
|
|
link_info.input_bfds = NULL;
|
|
|
|
|
link_info.create_object_symbols_section = NULL;
|
|
|
|
|
link_info.gc_sym_list = NULL;
|
|
|
|
|
link_info.base_file = NULL;
|
1999-06-23 13:09:30 +02:00
|
|
|
|
/* SVR4 linkers seem to set DT_INIT and DT_FINI based on magic _init
|
|
|
|
|
and _fini symbols. We are compatible. */
|
|
|
|
|
link_info.init_function = "_init";
|
|
|
|
|
link_info.fini_function = "_fini";
|
2002-06-07 16:56:01 +02:00
|
|
|
|
link_info.pei386_auto_import = -1;
|
2002-11-30 09:39:46 +01:00
|
|
|
|
link_info.pei386_runtime_pseudo_reloc = FALSE;
|
2001-08-23 17:14:18 +02:00
|
|
|
|
link_info.spare_dynamic_tags = 5;
|
2003-06-28 07:28:54 +02:00
|
|
|
|
link_info.flags = 0;
|
|
|
|
|
link_info.flags_1 = 0;
|
2006-04-06 20:52:46 +02:00
|
|
|
|
link_info.relax_pass = 1;
|
2004-10-07 16:45:24 +02:00
|
|
|
|
link_info.warn_shared_textrel = FALSE;
|
2005-03-16 22:52:48 +01:00
|
|
|
|
link_info.gc_sections = FALSE;
|
1999-06-23 13:09:30 +02:00
|
|
|
|
|
1999-05-03 09:29:11 +02:00
|
|
|
|
ldfile_add_arch ("");
|
|
|
|
|
|
2002-11-30 09:39:46 +01:00
|
|
|
|
config.make_executable = TRUE;
|
|
|
|
|
force_make_executable = FALSE;
|
|
|
|
|
config.magic_demand_paged = TRUE;
|
|
|
|
|
config.text_read_only = TRUE;
|
1999-05-03 09:29:11 +02:00
|
|
|
|
|
|
|
|
|
emulation = get_emulation (argc, argv);
|
|
|
|
|
ldemul_choose_mode (emulation);
|
2001-12-04 00:15:28 +01:00
|
|
|
|
default_target = ldemul_choose_target (argc, argv);
|
1999-05-03 09:29:11 +02:00
|
|
|
|
lang_init ();
|
|
|
|
|
ldemul_before_parse ();
|
2002-11-30 09:39:46 +01:00
|
|
|
|
lang_has_input_file = FALSE;
|
1999-05-03 09:29:11 +02:00
|
|
|
|
parse_args (argc, argv);
|
|
|
|
|
|
2004-05-21 17:38:04 +02:00
|
|
|
|
if (config.hash_table_size != 0)
|
|
|
|
|
bfd_hash_set_default_size (config.hash_table_size);
|
|
|
|
|
|
1999-05-03 09:29:11 +02:00
|
|
|
|
ldemul_set_symbols ();
|
|
|
|
|
|
2003-06-25 08:40:27 +02:00
|
|
|
|
if (link_info.relocatable)
|
1999-05-03 09:29:11 +02:00
|
|
|
|
{
|
2005-03-16 22:52:48 +01:00
|
|
|
|
if (link_info.gc_sections)
|
1999-05-03 09:29:11 +02:00
|
|
|
|
einfo ("%P%F: --gc-sections and -r may not be used together\n");
|
|
|
|
|
else if (command_line.relax)
|
|
|
|
|
einfo (_("%P%F: --relax and -r may not be used together\n"));
|
|
|
|
|
if (link_info.shared)
|
|
|
|
|
einfo (_("%P%F: -r and -shared may not be used together\n"));
|
|
|
|
|
}
|
|
|
|
|
|
2001-07-11 16:19:05 +02:00
|
|
|
|
if (! link_info.shared)
|
|
|
|
|
{
|
|
|
|
|
if (command_line.filter_shlib)
|
2001-07-11 21:50:56 +02:00
|
|
|
|
einfo (_("%P%F: -F may not be used without -shared\n"));
|
2001-07-11 16:19:05 +02:00
|
|
|
|
if (command_line.auxiliary_filters)
|
2001-07-11 21:50:56 +02:00
|
|
|
|
einfo (_("%P%F: -f may not be used without -shared\n"));
|
2001-07-11 16:19:05 +02:00
|
|
|
|
}
|
|
|
|
|
|
2003-05-30 17:50:12 +02:00
|
|
|
|
if (! link_info.shared || link_info.pie)
|
|
|
|
|
link_info.executable = TRUE;
|
|
|
|
|
|
1999-05-03 09:29:11 +02:00
|
|
|
|
/* Treat ld -r -s as ld -r -S -x (i.e., strip all local symbols). I
|
|
|
|
|
don't see how else this can be handled, since in this case we
|
|
|
|
|
must preserve all externally visible symbols. */
|
2003-06-25 08:40:27 +02:00
|
|
|
|
if (link_info.relocatable && link_info.strip == strip_all)
|
1999-05-03 09:29:11 +02:00
|
|
|
|
{
|
|
|
|
|
link_info.strip = strip_debugger;
|
2001-04-13 02:34:36 +02:00
|
|
|
|
if (link_info.discard == discard_sec_merge)
|
1999-05-03 09:29:11 +02:00
|
|
|
|
link_info.discard = discard_all;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* This essentially adds another -L directory so this must be done after
|
|
|
|
|
the -L's in argv have been processed. */
|
|
|
|
|
set_scripts_dir ();
|
|
|
|
|
|
2001-08-12 09:59:28 +02:00
|
|
|
|
/* If we have not already opened and parsed a linker script
|
|
|
|
|
read the emulation's appropriate default script. */
|
2001-08-15 19:10:18 +02:00
|
|
|
|
if (saved_script_handle == NULL)
|
1999-05-03 09:29:11 +02:00
|
|
|
|
{
|
|
|
|
|
int isfile;
|
2002-05-03 15:48:55 +02:00
|
|
|
|
char *s = ldemul_get_script (&isfile);
|
1999-05-03 09:29:11 +02:00
|
|
|
|
|
|
|
|
|
if (isfile)
|
|
|
|
|
ldfile_open_command_file (s);
|
|
|
|
|
else
|
2002-05-03 15:48:55 +02:00
|
|
|
|
{
|
1999-05-03 09:29:11 +02:00
|
|
|
|
lex_string = s;
|
|
|
|
|
lex_redirect (s);
|
|
|
|
|
}
|
|
|
|
|
parser_input = input_script;
|
|
|
|
|
yyparse ();
|
|
|
|
|
lex_string = NULL;
|
|
|
|
|
}
|
|
|
|
|
|
2001-08-12 09:59:28 +02:00
|
|
|
|
if (trace_file_tries)
|
|
|
|
|
{
|
2002-01-26 13:25:21 +01:00
|
|
|
|
if (saved_script_handle)
|
|
|
|
|
info_msg (_("using external linker script:"));
|
|
|
|
|
else
|
|
|
|
|
info_msg (_("using internal linker script:"));
|
|
|
|
|
info_msg ("\n==================================================\n");
|
2001-08-12 09:59:28 +02:00
|
|
|
|
|
|
|
|
|
if (saved_script_handle)
|
|
|
|
|
{
|
2001-09-16 06:25:33 +02:00
|
|
|
|
static const int ld_bufsz = 8193;
|
2001-08-12 09:59:28 +02:00
|
|
|
|
size_t n;
|
2001-09-16 06:25:33 +02:00
|
|
|
|
char *buf = xmalloc (ld_bufsz);
|
2001-08-12 09:59:28 +02:00
|
|
|
|
|
|
|
|
|
rewind (saved_script_handle);
|
2001-09-16 06:25:33 +02:00
|
|
|
|
while ((n = fread (buf, 1, ld_bufsz - 1, saved_script_handle)) > 0)
|
2001-08-12 09:59:28 +02:00
|
|
|
|
{
|
2002-05-03 15:48:55 +02:00
|
|
|
|
buf[n] = 0;
|
2001-08-12 09:59:28 +02:00
|
|
|
|
info_msg (buf);
|
|
|
|
|
}
|
|
|
|
|
rewind (saved_script_handle);
|
|
|
|
|
free (buf);
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
int isfile;
|
|
|
|
|
|
2002-05-03 15:48:55 +02:00
|
|
|
|
info_msg (ldemul_get_script (&isfile));
|
2001-08-12 09:59:28 +02:00
|
|
|
|
}
|
2002-05-03 15:48:55 +02:00
|
|
|
|
|
2001-08-12 09:59:28 +02:00
|
|
|
|
info_msg ("\n==================================================\n");
|
|
|
|
|
}
|
|
|
|
|
|
1999-05-03 09:29:11 +02:00
|
|
|
|
lang_final ();
|
|
|
|
|
|
2002-11-30 09:39:46 +01:00
|
|
|
|
if (!lang_has_input_file)
|
1999-05-03 09:29:11 +02:00
|
|
|
|
{
|
|
|
|
|
if (version_printed)
|
|
|
|
|
xexit (0);
|
|
|
|
|
einfo (_("%P%F: no input files\n"));
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (trace_files)
|
2003-02-25 11:32:33 +01:00
|
|
|
|
info_msg (_("%P: mode %s\n"), emulation);
|
1999-05-03 09:29:11 +02:00
|
|
|
|
|
|
|
|
|
ldemul_after_parse ();
|
|
|
|
|
|
|
|
|
|
if (config.map_filename)
|
|
|
|
|
{
|
|
|
|
|
if (strcmp (config.map_filename, "-") == 0)
|
|
|
|
|
{
|
|
|
|
|
config.map_file = stdout;
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
config.map_file = fopen (config.map_filename, FOPEN_WT);
|
|
|
|
|
if (config.map_file == (FILE *) NULL)
|
|
|
|
|
{
|
|
|
|
|
bfd_set_error (bfd_error_system_call);
|
|
|
|
|
einfo (_("%P%F: cannot open map file %s: %E\n"),
|
|
|
|
|
config.map_filename);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
lang_process ();
|
|
|
|
|
|
|
|
|
|
/* Print error messages for any missing symbols, for any warning
|
2000-09-21 22:21:59 +02:00
|
|
|
|
symbols, and possibly multiple definitions. */
|
2003-06-25 08:40:27 +02:00
|
|
|
|
if (link_info.relocatable)
|
1999-05-03 09:29:11 +02:00
|
|
|
|
output_bfd->flags &= ~EXEC_P;
|
|
|
|
|
else
|
|
|
|
|
output_bfd->flags |= EXEC_P;
|
|
|
|
|
|
|
|
|
|
ldwrite ();
|
|
|
|
|
|
|
|
|
|
if (config.map_file != NULL)
|
|
|
|
|
lang_map ();
|
|
|
|
|
if (command_line.cref)
|
|
|
|
|
output_cref (config.map_file != NULL ? config.map_file : stdout);
|
|
|
|
|
if (nocrossref_list != NULL)
|
|
|
|
|
check_nocrossrefs ();
|
|
|
|
|
|
2005-09-30 19:45:54 +02:00
|
|
|
|
lang_finish ();
|
|
|
|
|
|
2003-06-25 08:40:27 +02:00
|
|
|
|
/* Even if we're producing relocatable output, some non-fatal errors should
|
1999-05-03 09:29:11 +02:00
|
|
|
|
be reported in the exit status. (What non-fatal errors, if any, do we
|
2003-06-25 08:40:27 +02:00
|
|
|
|
want to ignore for relocatable output?) */
|
2002-11-30 09:39:46 +01:00
|
|
|
|
if (!config.make_executable && !force_make_executable)
|
1999-05-03 09:29:11 +02:00
|
|
|
|
{
|
2002-11-30 09:39:46 +01:00
|
|
|
|
if (trace_files)
|
2003-02-25 11:32:33 +01:00
|
|
|
|
einfo (_("%P: link errors found, deleting executable `%s'\n"),
|
|
|
|
|
output_filename);
|
1999-05-03 09:29:11 +02:00
|
|
|
|
|
|
|
|
|
/* The file will be removed by remove_output. */
|
|
|
|
|
xexit (1);
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
if (! bfd_close (output_bfd))
|
|
|
|
|
einfo (_("%F%B: final close failed: %E\n"), output_bfd);
|
|
|
|
|
|
|
|
|
|
/* If the --force-exe-suffix is enabled, and we're making an
|
2000-09-21 22:21:59 +02:00
|
|
|
|
executable file and it doesn't end in .exe, copy it to one
|
|
|
|
|
which does. */
|
2003-06-25 08:40:27 +02:00
|
|
|
|
if (! link_info.relocatable && command_line.force_exe_suffix)
|
1999-05-03 09:29:11 +02:00
|
|
|
|
{
|
|
|
|
|
int len = strlen (output_filename);
|
2003-02-25 11:32:33 +01:00
|
|
|
|
|
2000-09-21 22:21:59 +02:00
|
|
|
|
if (len < 4
|
1999-05-03 09:29:11 +02:00
|
|
|
|
|| (strcasecmp (output_filename + len - 4, ".exe") != 0
|
|
|
|
|
&& strcasecmp (output_filename + len - 4, ".dll") != 0))
|
|
|
|
|
{
|
|
|
|
|
FILE *src;
|
|
|
|
|
FILE *dst;
|
|
|
|
|
const int bsize = 4096;
|
|
|
|
|
char *buf = xmalloc (bsize);
|
|
|
|
|
int l;
|
|
|
|
|
char *dst_name = xmalloc (len + 5);
|
2003-02-25 11:32:33 +01:00
|
|
|
|
|
1999-05-03 09:29:11 +02:00
|
|
|
|
strcpy (dst_name, output_filename);
|
|
|
|
|
strcat (dst_name, ".exe");
|
|
|
|
|
src = fopen (output_filename, FOPEN_RB);
|
|
|
|
|
dst = fopen (dst_name, FOPEN_WB);
|
|
|
|
|
|
|
|
|
|
if (!src)
|
2003-06-28 07:28:54 +02:00
|
|
|
|
einfo (_("%X%P: unable to open for source of copy `%s'\n"),
|
|
|
|
|
output_filename);
|
1999-05-03 09:29:11 +02:00
|
|
|
|
if (!dst)
|
2003-06-28 07:28:54 +02:00
|
|
|
|
einfo (_("%X%P: unable to open for destination of copy `%s'\n"),
|
|
|
|
|
dst_name);
|
1999-05-03 09:29:11 +02:00
|
|
|
|
while ((l = fread (buf, 1, bsize, src)) > 0)
|
|
|
|
|
{
|
|
|
|
|
int done = fwrite (buf, 1, l, dst);
|
2003-02-25 11:32:33 +01:00
|
|
|
|
|
1999-05-03 09:29:11 +02:00
|
|
|
|
if (done != l)
|
2003-02-25 11:32:33 +01:00
|
|
|
|
einfo (_("%P: Error writing file `%s'\n"), dst_name);
|
1999-05-03 09:29:11 +02:00
|
|
|
|
}
|
2003-02-25 11:32:33 +01:00
|
|
|
|
|
1999-05-03 09:29:11 +02:00
|
|
|
|
fclose (src);
|
|
|
|
|
if (fclose (dst) == EOF)
|
2003-02-25 11:32:33 +01:00
|
|
|
|
einfo (_("%P: Error closing file `%s'\n"), dst_name);
|
1999-05-03 09:29:11 +02:00
|
|
|
|
free (dst_name);
|
|
|
|
|
free (buf);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
END_PROGRESS (program_name);
|
|
|
|
|
|
|
|
|
|
if (config.stats)
|
|
|
|
|
{
|
|
|
|
|
#ifdef HAVE_SBRK
|
2003-06-28 07:28:54 +02:00
|
|
|
|
char *lim = sbrk (0);
|
1999-05-03 09:29:11 +02:00
|
|
|
|
#endif
|
|
|
|
|
long run_time = get_run_time () - start_time;
|
|
|
|
|
|
|
|
|
|
fprintf (stderr, _("%s: total time in link: %ld.%06ld\n"),
|
|
|
|
|
program_name, run_time / 1000000, run_time % 1000000);
|
|
|
|
|
#ifdef HAVE_SBRK
|
|
|
|
|
fprintf (stderr, _("%s: data size %ld\n"), program_name,
|
|
|
|
|
(long) (lim - (char *) &environ));
|
|
|
|
|
#endif
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Prevent remove_output from doing anything, after a successful link. */
|
|
|
|
|
output_filename = NULL;
|
|
|
|
|
|
|
|
|
|
xexit (0);
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
|
2005-01-19 12:42:49 +01:00
|
|
|
|
/* If the configured sysroot is relocatable, try relocating it based on
|
|
|
|
|
default prefix FROM. Return the relocated directory if it exists,
|
|
|
|
|
otherwise return null. */
|
|
|
|
|
|
|
|
|
|
static char *
|
|
|
|
|
get_relative_sysroot (const char *from ATTRIBUTE_UNUSED)
|
|
|
|
|
{
|
|
|
|
|
#ifdef TARGET_SYSTEM_ROOT_RELOCATABLE
|
|
|
|
|
char *path;
|
|
|
|
|
struct stat s;
|
|
|
|
|
|
|
|
|
|
path = make_relative_prefix (program_name, from, TARGET_SYSTEM_ROOT);
|
|
|
|
|
if (path)
|
|
|
|
|
{
|
|
|
|
|
if (stat (path, &s) == 0 && S_ISDIR (s.st_mode))
|
|
|
|
|
return path;
|
|
|
|
|
free (path);
|
|
|
|
|
}
|
|
|
|
|
#endif
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Return the sysroot directory. Return "" if no sysroot is being used. */
|
|
|
|
|
|
|
|
|
|
static const char *
|
|
|
|
|
get_sysroot (int argc, char **argv)
|
|
|
|
|
{
|
|
|
|
|
int i;
|
|
|
|
|
const char *path;
|
|
|
|
|
|
|
|
|
|
for (i = 1; i < argc; i++)
|
|
|
|
|
if (strncmp (argv[i], "--sysroot=", strlen ("--sysroot=")) == 0)
|
|
|
|
|
return argv[i] + strlen ("--sysroot=");
|
|
|
|
|
|
|
|
|
|
path = get_relative_sysroot (BINDIR);
|
|
|
|
|
if (path)
|
|
|
|
|
return path;
|
|
|
|
|
|
|
|
|
|
path = get_relative_sysroot (TOOLBINDIR);
|
|
|
|
|
if (path)
|
|
|
|
|
return path;
|
|
|
|
|
|
|
|
|
|
return TARGET_SYSTEM_ROOT;
|
|
|
|
|
}
|
|
|
|
|
|
1999-05-03 09:29:11 +02:00
|
|
|
|
/* We need to find any explicitly given emulation in order to initialize the
|
|
|
|
|
state that's needed by the lex&yacc argument parser (parse_args). */
|
|
|
|
|
|
|
|
|
|
static char *
|
2003-06-28 07:28:54 +02:00
|
|
|
|
get_emulation (int argc, char **argv)
|
1999-05-03 09:29:11 +02:00
|
|
|
|
{
|
|
|
|
|
char *emulation;
|
|
|
|
|
int i;
|
|
|
|
|
|
|
|
|
|
emulation = getenv (EMULATION_ENVIRON);
|
|
|
|
|
if (emulation == NULL)
|
|
|
|
|
emulation = DEFAULT_EMULATION;
|
|
|
|
|
|
|
|
|
|
for (i = 1; i < argc; i++)
|
|
|
|
|
{
|
|
|
|
|
if (!strncmp (argv[i], "-m", 2))
|
|
|
|
|
{
|
|
|
|
|
if (argv[i][2] == '\0')
|
|
|
|
|
{
|
|
|
|
|
/* -m EMUL */
|
|
|
|
|
if (i < argc - 1)
|
|
|
|
|
{
|
|
|
|
|
emulation = argv[i + 1];
|
|
|
|
|
i++;
|
|
|
|
|
}
|
|
|
|
|
else
|
2003-02-25 11:32:33 +01:00
|
|
|
|
einfo (_("%P%F: missing argument to -m\n"));
|
1999-05-03 09:29:11 +02:00
|
|
|
|
}
|
|
|
|
|
else if (strcmp (argv[i], "-mips1") == 0
|
|
|
|
|
|| strcmp (argv[i], "-mips2") == 0
|
|
|
|
|
|| strcmp (argv[i], "-mips3") == 0
|
2001-05-23 19:26:40 +02:00
|
|
|
|
|| strcmp (argv[i], "-mips4") == 0
|
2003-01-09 22:26:53 +01:00
|
|
|
|
|| strcmp (argv[i], "-mips5") == 0
|
|
|
|
|
|| strcmp (argv[i], "-mips32") == 0
|
|
|
|
|
|| strcmp (argv[i], "-mips32r2") == 0
|
[ bfd/ChangeLog ]
2003-09-30 Chris Demetriou <cgd@broadcom.com>
* archures.c (bfd_mach_mipsisa64r2): New define.
* bfd-in2.h: Regenerate.
* aoutx.h (NAME(aout,machine_type)): Handle bfd_mach_mipsisa64r2.
* cpu-mips.c (I_mipsisa64r2): New enum value.
(arch_info_struct): Add entry for I_mipsisa64r2.
* elfxx-mips.c (_bfd_elf_mips_mach)
(_bfd_mips_elf_print_private_bfd_data): Handle E_MIPS_ARCH_64R2.
(mips_set_isa_flags): Add bfd_mach_mipsisa64r2 case.
(mips_mach_extensions): Add entry for bfd_mach_mipsisa64r2.
[ binutils/ChangeLog ]
2003-09-30 Chris Demetriou <cgd@broadcom.com>
* readelf.c (get_machine_flags): Handle E_MIPS_ARCH_64R2.
[ gas/Changelog ]
2003-09-30 Chris Demetriou <cgd@broadcom.com>
* configure.in (mipsisa64r2, mipsisa64r2el, mipsisa64r2*): New CPUs.
* configure: Regenerate.
* config/tc-mips.c (imm2_expr): New variable.
(md_assemble, mips16_ip): Initialize imm2_expr.
(ISA_HAS_64BIT_REGS, ISA_HAS_DROR, ISA_HAS_ROR): Add ISA_MIPS64R2.
(macro_build): Handle +A, +B, +C, +E, +F, +G, and +H format operands.
(macro): Handle M_DEXT and M_DINS.
(validate_mips_insn): Handle +E, +F, +G, +H, and +I format operands.
(mips_ip): Likewise.
(OPTION_MIPS64R2): New define.
(md_longopts): New entry for -mips64r2 (OPTION_MIPS64R2).
OPTION_ASE_BASE): Increase to compensate for OPTION_MIPS64R2.
(md_parse_option): Handle OPTION_MIPS64R2.
(s_mipsset): Handle setting "mips64r2" ISA.
(mips_cpu_info_table): Add mips64r2.
(md_show_usage): Document -mips64r2 option.
* doc/as.texinfo: Docuemnt -mips64r2 option.
* doc/c-mips.texi: Likewise.
[ gas/testsuite/ChangeLog ]
2003-09-30 Chris Demetriou <cgd@broadcom.com>
* gas/mips/cp0-names-mips64r2.d: New file.
* gas/mips/cp0sel-names-mips64r2.d: New file.
* gas/mips/elf_arch_mips64r2.d: New file.
* gas/mips/hwr-names-mips64r2.d: New file.
* gas/mips/mips32r2-ill-fp64.l: New file.
* gas/mips/mips32r2-ill-fp64.s: New file.
* gas/mips/mips64r2-ill.l: New file.
* gas/mips/mips64r2-ill.s: New file.
* gas/mips/mips64r2.d: New file.
* gas/mips/mips64r2.s: New file.
* gas/mips/mips.exp: Define "mips64r2" arch, and run new tests.
[ include/elf/ChangeLog ]
2003-09-30 Chris Demetriou <cgd@broadcom.com>
* mips.h (E_MIPS_ARCH_64R2): New define.
[ include/opcode/ChangeLog ]
2003-09-30 Chris Demetriou <cgd@broadcom.com>
* mips.h: Document +E, +F, +G, +H, and +I operand types.
Update documentation of I, +B and +C operand types.
(INSN_ISA64R2, ISA_MIPS64R2, CPU_MIPS64R2): New defines.
(M_DEXT, M_DINS): New enum values.
[ ld/ChangeLog ]
2003-09-30 Chris Demetriou <cgd@broadcom.com>
* ldmain.c (get_emulation): Ignore "-mips64r2".
[ ld/testsuite/ChangeLog ]
2003-09-30 Chris Demetriou <cgd@broadcom.com>
* ld-mips-elf/mips-elf-flags.exp: Add tests for combinations
with MIPS64r2.
[ opcodes/ChangeLog ]
2003-09-30 Chris Demetriou <cgd@broadcom.com>
* mips-dis.c (mips_arch_choices): Add entry for "mips64r2"
(print_insn_args): Add handing for +E, +F, +G, and +H.
* mips-opc.c (I65): New define for MIPS64r2.
(mips_builtin_opcodes): Add "dext", "dextm", "dextu", "dins",
"dinsm", "dinsu", "drotl", "drotr", "drotr32", "drotrv", "dsbh",
and "dshd" for MIPS64r2. Adjust "dror", "dror32", and "drorv" to
be supported on MIPS64r2.
2003-09-30 18:17:15 +02:00
|
|
|
|
|| strcmp (argv[i], "-mips64") == 0
|
|
|
|
|
|| strcmp (argv[i], "-mips64r2") == 0)
|
1999-05-03 09:29:11 +02:00
|
|
|
|
{
|
2001-10-19 01:44:17 +02:00
|
|
|
|
/* FIXME: The arguments -mips1, -mips2, -mips3, etc. are
|
1999-05-03 09:29:11 +02:00
|
|
|
|
passed to the linker by some MIPS compilers. They
|
|
|
|
|
generally tell the linker to use a slightly different
|
|
|
|
|
library path. Perhaps someday these should be
|
|
|
|
|
implemented as emulations; until then, we just ignore
|
|
|
|
|
the arguments and hope that nobody ever creates
|
|
|
|
|
emulations named ips1, ips2 or ips3. */
|
|
|
|
|
}
|
|
|
|
|
else if (strcmp (argv[i], "-m486") == 0)
|
|
|
|
|
{
|
|
|
|
|
/* FIXME: The argument -m486 is passed to the linker on
|
|
|
|
|
some Linux systems. Hope that nobody creates an
|
|
|
|
|
emulation named 486. */
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
/* -mEMUL */
|
|
|
|
|
emulation = &argv[i][2];
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return emulation;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* If directory DIR contains an "ldscripts" subdirectory,
|
2002-11-30 09:39:46 +01:00
|
|
|
|
add DIR to the library search path and return TRUE,
|
|
|
|
|
else return FALSE. */
|
1999-05-03 09:29:11 +02:00
|
|
|
|
|
2002-11-30 09:39:46 +01:00
|
|
|
|
static bfd_boolean
|
2003-06-28 07:28:54 +02:00
|
|
|
|
check_for_scripts_dir (char *dir)
|
1999-05-03 09:29:11 +02:00
|
|
|
|
{
|
|
|
|
|
size_t dirlen;
|
|
|
|
|
char *buf;
|
|
|
|
|
struct stat s;
|
2002-11-30 09:39:46 +01:00
|
|
|
|
bfd_boolean res;
|
1999-05-03 09:29:11 +02:00
|
|
|
|
|
|
|
|
|
dirlen = strlen (dir);
|
|
|
|
|
/* sizeof counts the terminating NUL. */
|
2003-06-28 07:28:54 +02:00
|
|
|
|
buf = xmalloc (dirlen + sizeof ("/ldscripts"));
|
1999-05-03 09:29:11 +02:00
|
|
|
|
sprintf (buf, "%s/ldscripts", dir);
|
|
|
|
|
|
|
|
|
|
res = stat (buf, &s) == 0 && S_ISDIR (s.st_mode);
|
|
|
|
|
free (buf);
|
|
|
|
|
if (res)
|
2002-11-30 09:39:46 +01:00
|
|
|
|
ldfile_add_library_path (dir, FALSE);
|
1999-05-03 09:29:11 +02:00
|
|
|
|
return res;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Set the default directory for finding script files.
|
|
|
|
|
Libraries will be searched for here too, but that's ok.
|
|
|
|
|
We look for the "ldscripts" directory in:
|
|
|
|
|
|
2003-01-04 21:40:28 +01:00
|
|
|
|
SCRIPTDIR (passed from Makefile)
|
|
|
|
|
(adjusted according to the current location of the binary)
|
1999-05-03 09:29:11 +02:00
|
|
|
|
SCRIPTDIR (passed from Makefile)
|
|
|
|
|
the dir where this program is (for using it from the build tree)
|
2003-01-04 21:40:28 +01:00
|
|
|
|
the dir where this program is/../lib
|
2003-02-25 11:32:33 +01:00
|
|
|
|
(for installing the tool suite elsewhere). */
|
1999-05-03 09:29:11 +02:00
|
|
|
|
|
|
|
|
|
static void
|
2003-06-28 07:28:54 +02:00
|
|
|
|
set_scripts_dir (void)
|
1999-05-03 09:29:11 +02:00
|
|
|
|
{
|
|
|
|
|
char *end, *dir;
|
|
|
|
|
size_t dirlen;
|
2003-03-31 20:13:25 +02:00
|
|
|
|
bfd_boolean found;
|
1999-05-03 09:29:11 +02:00
|
|
|
|
|
2003-01-04 21:40:28 +01:00
|
|
|
|
dir = make_relative_prefix (program_name, BINDIR, SCRIPTDIR);
|
|
|
|
|
if (dir)
|
2003-03-31 20:13:25 +02:00
|
|
|
|
{
|
|
|
|
|
found = check_for_scripts_dir (dir);
|
|
|
|
|
free (dir);
|
|
|
|
|
if (found)
|
|
|
|
|
return;
|
|
|
|
|
}
|
2003-01-04 21:40:28 +01:00
|
|
|
|
|
2003-03-03 21:01:02 +01:00
|
|
|
|
dir = make_relative_prefix (program_name, TOOLBINDIR, SCRIPTDIR);
|
|
|
|
|
if (dir)
|
2003-03-31 20:13:25 +02:00
|
|
|
|
{
|
|
|
|
|
found = check_for_scripts_dir (dir);
|
|
|
|
|
free (dir);
|
|
|
|
|
if (found)
|
|
|
|
|
return;
|
|
|
|
|
}
|
2003-03-03 21:01:02 +01:00
|
|
|
|
|
1999-05-03 09:29:11 +02:00
|
|
|
|
if (check_for_scripts_dir (SCRIPTDIR))
|
2000-09-21 22:21:59 +02:00
|
|
|
|
/* We've been installed normally. */
|
|
|
|
|
return;
|
1999-05-03 09:29:11 +02:00
|
|
|
|
|
|
|
|
|
/* Look for "ldscripts" in the dir where our binary is. */
|
|
|
|
|
end = strrchr (program_name, '/');
|
2000-05-26 15:11:57 +02:00
|
|
|
|
#ifdef HAVE_DOS_BASED_FILE_SYSTEM
|
|
|
|
|
{
|
|
|
|
|
/* We could have \foo\bar, or /foo\bar. */
|
|
|
|
|
char *bslash = strrchr (program_name, '\\');
|
2003-02-25 11:32:33 +01:00
|
|
|
|
|
2000-06-20 14:33:21 +02:00
|
|
|
|
if (end == NULL || (bslash != NULL && bslash > end))
|
2000-05-26 15:11:57 +02:00
|
|
|
|
end = bslash;
|
|
|
|
|
}
|
|
|
|
|
#endif
|
1999-05-03 09:29:11 +02:00
|
|
|
|
|
|
|
|
|
if (end == NULL)
|
2003-02-25 11:32:33 +01:00
|
|
|
|
/* Don't look for ldscripts in the current directory. There is
|
|
|
|
|
too much potential for confusion. */
|
|
|
|
|
return;
|
1999-05-03 09:29:11 +02:00
|
|
|
|
|
|
|
|
|
dirlen = end - program_name;
|
|
|
|
|
/* Make a copy of program_name in dir.
|
|
|
|
|
Leave room for later "/../lib". */
|
2003-06-28 07:28:54 +02:00
|
|
|
|
dir = xmalloc (dirlen + 8);
|
1999-05-03 09:29:11 +02:00
|
|
|
|
strncpy (dir, program_name, dirlen);
|
|
|
|
|
dir[dirlen] = '\0';
|
|
|
|
|
|
|
|
|
|
if (check_for_scripts_dir (dir))
|
2003-03-31 20:13:25 +02:00
|
|
|
|
{
|
|
|
|
|
free (dir);
|
|
|
|
|
return;
|
|
|
|
|
}
|
1999-05-03 09:29:11 +02:00
|
|
|
|
|
|
|
|
|
/* Look for "ldscripts" in <the dir where our binary is>/../lib. */
|
|
|
|
|
strcpy (dir + dirlen, "/../lib");
|
2003-03-31 20:13:25 +02:00
|
|
|
|
check_for_scripts_dir (dir);
|
2000-09-21 22:21:59 +02:00
|
|
|
|
free (dir);
|
1999-05-03 09:29:11 +02:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void
|
2003-06-28 07:28:54 +02:00
|
|
|
|
add_ysym (const char *name)
|
1999-05-03 09:29:11 +02:00
|
|
|
|
{
|
2003-06-28 07:28:54 +02:00
|
|
|
|
if (link_info.notice_hash == NULL)
|
1999-05-03 09:29:11 +02:00
|
|
|
|
{
|
2003-06-28 07:28:54 +02:00
|
|
|
|
link_info.notice_hash = xmalloc (sizeof (struct bfd_hash_table));
|
2006-03-16 13:20:16 +01:00
|
|
|
|
if (!bfd_hash_table_init_n (link_info.notice_hash,
|
|
|
|
|
bfd_hash_newfunc,
|
|
|
|
|
sizeof (struct bfd_hash_entry),
|
|
|
|
|
61))
|
1999-05-03 09:29:11 +02:00
|
|
|
|
einfo (_("%P%F: bfd_hash_table_init failed: %E\n"));
|
2000-09-21 22:21:59 +02:00
|
|
|
|
}
|
1999-05-03 09:29:11 +02:00
|
|
|
|
|
2003-06-28 07:28:54 +02:00
|
|
|
|
if (bfd_hash_lookup (link_info.notice_hash, name, TRUE, TRUE) == NULL)
|
1999-05-03 09:29:11 +02:00
|
|
|
|
einfo (_("%P%F: bfd_hash_lookup failed: %E\n"));
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Record a symbol to be wrapped, from the --wrap option. */
|
|
|
|
|
|
|
|
|
|
void
|
2003-06-28 07:28:54 +02:00
|
|
|
|
add_wrap (const char *name)
|
1999-05-03 09:29:11 +02:00
|
|
|
|
{
|
|
|
|
|
if (link_info.wrap_hash == NULL)
|
|
|
|
|
{
|
2003-06-28 07:28:54 +02:00
|
|
|
|
link_info.wrap_hash = xmalloc (sizeof (struct bfd_hash_table));
|
2006-03-16 13:20:16 +01:00
|
|
|
|
if (!bfd_hash_table_init_n (link_info.wrap_hash,
|
|
|
|
|
bfd_hash_newfunc,
|
|
|
|
|
sizeof (struct bfd_hash_entry),
|
|
|
|
|
61))
|
1999-05-03 09:29:11 +02:00
|
|
|
|
einfo (_("%P%F: bfd_hash_table_init failed: %E\n"));
|
|
|
|
|
}
|
2003-02-25 11:32:33 +01:00
|
|
|
|
|
2002-11-30 09:39:46 +01:00
|
|
|
|
if (bfd_hash_lookup (link_info.wrap_hash, name, TRUE, TRUE) == NULL)
|
1999-05-03 09:29:11 +02:00
|
|
|
|
einfo (_("%P%F: bfd_hash_lookup failed: %E\n"));
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Handle the -retain-symbols-file option. */
|
|
|
|
|
|
|
|
|
|
void
|
2003-06-28 07:28:54 +02:00
|
|
|
|
add_keepsyms_file (const char *filename)
|
1999-05-03 09:29:11 +02:00
|
|
|
|
{
|
|
|
|
|
FILE *file;
|
|
|
|
|
char *buf;
|
|
|
|
|
size_t bufsize;
|
|
|
|
|
int c;
|
|
|
|
|
|
|
|
|
|
if (link_info.strip == strip_some)
|
|
|
|
|
einfo (_("%X%P: error: duplicate retain-symbols-file\n"));
|
|
|
|
|
|
|
|
|
|
file = fopen (filename, "r");
|
2003-06-28 07:28:54 +02:00
|
|
|
|
if (file == NULL)
|
1999-05-03 09:29:11 +02:00
|
|
|
|
{
|
|
|
|
|
bfd_set_error (bfd_error_system_call);
|
|
|
|
|
einfo ("%X%P: %s: %E\n", filename);
|
|
|
|
|
return;
|
|
|
|
|
}
|
|
|
|
|
|
2003-06-28 07:28:54 +02:00
|
|
|
|
link_info.keep_hash = xmalloc (sizeof (struct bfd_hash_table));
|
2006-03-16 13:20:16 +01:00
|
|
|
|
if (!bfd_hash_table_init (link_info.keep_hash, bfd_hash_newfunc,
|
|
|
|
|
sizeof (struct bfd_hash_entry)))
|
1999-05-03 09:29:11 +02:00
|
|
|
|
einfo (_("%P%F: bfd_hash_table_init failed: %E\n"));
|
|
|
|
|
|
|
|
|
|
bufsize = 100;
|
2003-06-28 07:28:54 +02:00
|
|
|
|
buf = xmalloc (bufsize);
|
1999-05-03 09:29:11 +02:00
|
|
|
|
|
|
|
|
|
c = getc (file);
|
|
|
|
|
while (c != EOF)
|
|
|
|
|
{
|
2001-09-19 07:33:36 +02:00
|
|
|
|
while (ISSPACE (c))
|
1999-05-03 09:29:11 +02:00
|
|
|
|
c = getc (file);
|
|
|
|
|
|
|
|
|
|
if (c != EOF)
|
|
|
|
|
{
|
|
|
|
|
size_t len = 0;
|
|
|
|
|
|
2001-09-19 07:33:36 +02:00
|
|
|
|
while (! ISSPACE (c) && c != EOF)
|
1999-05-03 09:29:11 +02:00
|
|
|
|
{
|
|
|
|
|
buf[len] = c;
|
|
|
|
|
++len;
|
|
|
|
|
if (len >= bufsize)
|
|
|
|
|
{
|
|
|
|
|
bufsize *= 2;
|
|
|
|
|
buf = xrealloc (buf, bufsize);
|
|
|
|
|
}
|
|
|
|
|
c = getc (file);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
buf[len] = '\0';
|
|
|
|
|
|
2003-06-28 07:28:54 +02:00
|
|
|
|
if (bfd_hash_lookup (link_info.keep_hash, buf, TRUE, TRUE) == NULL)
|
1999-05-03 09:29:11 +02:00
|
|
|
|
einfo (_("%P%F: bfd_hash_lookup for insertion failed: %E\n"));
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (link_info.strip != strip_none)
|
|
|
|
|
einfo (_("%P: `-retain-symbols-file' overrides `-s' and `-S'\n"));
|
|
|
|
|
|
2003-03-31 20:13:25 +02:00
|
|
|
|
free (buf);
|
1999-05-03 09:29:11 +02:00
|
|
|
|
link_info.strip = strip_some;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Callbacks from the BFD linker routines. */
|
|
|
|
|
|
|
|
|
|
/* This is called when BFD has decided to include an archive member in
|
|
|
|
|
a link. */
|
|
|
|
|
|
2002-11-30 09:39:46 +01:00
|
|
|
|
static bfd_boolean
|
2005-06-03 11:52:50 +02:00
|
|
|
|
add_archive_element (struct bfd_link_info *info,
|
2003-06-28 07:28:54 +02:00
|
|
|
|
bfd *abfd,
|
|
|
|
|
const char *name)
|
1999-05-03 09:29:11 +02:00
|
|
|
|
{
|
|
|
|
|
lang_input_statement_type *input;
|
|
|
|
|
|
2003-06-28 07:28:54 +02:00
|
|
|
|
input = xmalloc (sizeof (lang_input_statement_type));
|
1999-05-03 09:29:11 +02:00
|
|
|
|
input->filename = abfd->filename;
|
|
|
|
|
input->local_sym_name = abfd->filename;
|
|
|
|
|
input->the_bfd = abfd;
|
|
|
|
|
input->asymbols = NULL;
|
|
|
|
|
input->next = NULL;
|
2002-11-30 09:39:46 +01:00
|
|
|
|
input->just_syms_flag = FALSE;
|
|
|
|
|
input->loaded = FALSE;
|
|
|
|
|
input->search_dirs_flag = FALSE;
|
1999-05-03 09:29:11 +02:00
|
|
|
|
|
|
|
|
|
/* FIXME: The following fields are not set: header.next,
|
|
|
|
|
header.type, closed, passive_position, symbol_count,
|
|
|
|
|
next_real_file, is_archive, target, real. This bit of code is
|
|
|
|
|
from the old decode_library_subfile function. I don't know
|
|
|
|
|
whether any of those fields matters. */
|
|
|
|
|
|
|
|
|
|
ldlang_add_file (input);
|
|
|
|
|
|
2003-06-28 07:28:54 +02:00
|
|
|
|
if (config.map_file != NULL)
|
1999-05-03 09:29:11 +02:00
|
|
|
|
{
|
2002-11-30 09:39:46 +01:00
|
|
|
|
static bfd_boolean header_printed;
|
1999-05-03 09:29:11 +02:00
|
|
|
|
struct bfd_link_hash_entry *h;
|
|
|
|
|
bfd *from;
|
|
|
|
|
int len;
|
|
|
|
|
|
2005-06-03 11:52:50 +02:00
|
|
|
|
h = bfd_link_hash_lookup (info->hash, name, FALSE, FALSE, TRUE);
|
1999-05-03 09:29:11 +02:00
|
|
|
|
|
|
|
|
|
if (h == NULL)
|
|
|
|
|
from = NULL;
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
switch (h->type)
|
|
|
|
|
{
|
|
|
|
|
default:
|
|
|
|
|
from = NULL;
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case bfd_link_hash_defined:
|
|
|
|
|
case bfd_link_hash_defweak:
|
|
|
|
|
from = h->u.def.section->owner;
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case bfd_link_hash_undefined:
|
|
|
|
|
case bfd_link_hash_undefweak:
|
|
|
|
|
from = h->u.undef.abfd;
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case bfd_link_hash_common:
|
|
|
|
|
from = h->u.c.p->section->owner;
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (! header_printed)
|
|
|
|
|
{
|
|
|
|
|
char buf[100];
|
|
|
|
|
|
2001-12-06 11:22:36 +01:00
|
|
|
|
sprintf (buf, _("Archive member included because of file (symbol)\n\n"));
|
1999-05-03 09:29:11 +02:00
|
|
|
|
minfo ("%s", buf);
|
2002-11-30 09:39:46 +01:00
|
|
|
|
header_printed = TRUE;
|
1999-05-03 09:29:11 +02:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (bfd_my_archive (abfd) == NULL)
|
|
|
|
|
{
|
|
|
|
|
minfo ("%s", bfd_get_filename (abfd));
|
|
|
|
|
len = strlen (bfd_get_filename (abfd));
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
minfo ("%s(%s)", bfd_get_filename (bfd_my_archive (abfd)),
|
|
|
|
|
bfd_get_filename (abfd));
|
|
|
|
|
len = (strlen (bfd_get_filename (bfd_my_archive (abfd)))
|
|
|
|
|
+ strlen (bfd_get_filename (abfd))
|
|
|
|
|
+ 2);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (len >= 29)
|
|
|
|
|
{
|
|
|
|
|
print_nl ();
|
|
|
|
|
len = 0;
|
|
|
|
|
}
|
|
|
|
|
while (len < 30)
|
|
|
|
|
{
|
|
|
|
|
print_space ();
|
|
|
|
|
++len;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (from != NULL)
|
|
|
|
|
minfo ("%B ", from);
|
|
|
|
|
if (h != NULL)
|
|
|
|
|
minfo ("(%T)\n", h->root.string);
|
|
|
|
|
else
|
|
|
|
|
minfo ("(%s)\n", name);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (trace_files || trace_file_tries)
|
|
|
|
|
info_msg ("%I\n", input);
|
|
|
|
|
|
2002-11-30 09:39:46 +01:00
|
|
|
|
return TRUE;
|
1999-05-03 09:29:11 +02:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* This is called when BFD has discovered a symbol which is defined
|
|
|
|
|
multiple times. */
|
|
|
|
|
|
2002-11-30 09:39:46 +01:00
|
|
|
|
static bfd_boolean
|
2003-06-28 07:28:54 +02:00
|
|
|
|
multiple_definition (struct bfd_link_info *info ATTRIBUTE_UNUSED,
|
|
|
|
|
const char *name,
|
|
|
|
|
bfd *obfd,
|
|
|
|
|
asection *osec,
|
|
|
|
|
bfd_vma oval,
|
|
|
|
|
bfd *nbfd,
|
|
|
|
|
asection *nsec,
|
|
|
|
|
bfd_vma nval)
|
1999-05-03 09:29:11 +02:00
|
|
|
|
{
|
|
|
|
|
/* If either section has the output_section field set to
|
|
|
|
|
bfd_abs_section_ptr, it means that the section is being
|
|
|
|
|
discarded, and this is not really a multiple definition at all.
|
|
|
|
|
FIXME: It would be cleaner to somehow ignore symbols defined in
|
|
|
|
|
sections which are being discarded. */
|
|
|
|
|
if ((osec->output_section != NULL
|
|
|
|
|
&& ! bfd_is_abs_section (osec)
|
|
|
|
|
&& bfd_is_abs_section (osec->output_section))
|
|
|
|
|
|| (nsec->output_section != NULL
|
|
|
|
|
&& ! bfd_is_abs_section (nsec)
|
|
|
|
|
&& bfd_is_abs_section (nsec->output_section)))
|
2002-11-30 09:39:46 +01:00
|
|
|
|
return TRUE;
|
1999-05-03 09:29:11 +02:00
|
|
|
|
|
|
|
|
|
einfo (_("%X%C: multiple definition of `%T'\n"),
|
|
|
|
|
nbfd, nsec, nval, name);
|
2003-06-28 07:28:54 +02:00
|
|
|
|
if (obfd != NULL)
|
1999-05-03 09:29:11 +02:00
|
|
|
|
einfo (_("%D: first defined here\n"), obfd, osec, oval);
|
2000-09-14 03:39:42 +02:00
|
|
|
|
|
|
|
|
|
if (command_line.relax)
|
|
|
|
|
{
|
|
|
|
|
einfo (_("%P: Disabling relaxation: it will not work with multiple definitions\n"));
|
|
|
|
|
command_line.relax = 0;
|
|
|
|
|
}
|
2000-09-21 22:21:59 +02:00
|
|
|
|
|
2002-11-30 09:39:46 +01:00
|
|
|
|
return TRUE;
|
1999-05-03 09:29:11 +02:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* This is called when there is a definition of a common symbol, or
|
|
|
|
|
when a common symbol is found for a symbol that is already defined,
|
|
|
|
|
or when two common symbols are found. We only do something if
|
|
|
|
|
-warn-common was used. */
|
|
|
|
|
|
2002-11-30 09:39:46 +01:00
|
|
|
|
static bfd_boolean
|
2003-06-28 07:28:54 +02:00
|
|
|
|
multiple_common (struct bfd_link_info *info ATTRIBUTE_UNUSED,
|
|
|
|
|
const char *name,
|
|
|
|
|
bfd *obfd,
|
|
|
|
|
enum bfd_link_hash_type otype,
|
|
|
|
|
bfd_vma osize,
|
|
|
|
|
bfd *nbfd,
|
|
|
|
|
enum bfd_link_hash_type ntype,
|
|
|
|
|
bfd_vma nsize)
|
1999-05-03 09:29:11 +02:00
|
|
|
|
{
|
|
|
|
|
if (! config.warn_common)
|
2002-11-30 09:39:46 +01:00
|
|
|
|
return TRUE;
|
1999-05-03 09:29:11 +02:00
|
|
|
|
|
|
|
|
|
if (ntype == bfd_link_hash_defined
|
|
|
|
|
|| ntype == bfd_link_hash_defweak
|
|
|
|
|
|| ntype == bfd_link_hash_indirect)
|
|
|
|
|
{
|
|
|
|
|
ASSERT (otype == bfd_link_hash_common);
|
|
|
|
|
einfo (_("%B: warning: definition of `%T' overriding common\n"),
|
|
|
|
|
nbfd, name);
|
|
|
|
|
if (obfd != NULL)
|
|
|
|
|
einfo (_("%B: warning: common is here\n"), obfd);
|
|
|
|
|
}
|
|
|
|
|
else if (otype == bfd_link_hash_defined
|
|
|
|
|
|| otype == bfd_link_hash_defweak
|
|
|
|
|
|| otype == bfd_link_hash_indirect)
|
|
|
|
|
{
|
|
|
|
|
ASSERT (ntype == bfd_link_hash_common);
|
|
|
|
|
einfo (_("%B: warning: common of `%T' overridden by definition\n"),
|
|
|
|
|
nbfd, name);
|
|
|
|
|
if (obfd != NULL)
|
|
|
|
|
einfo (_("%B: warning: defined here\n"), obfd);
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
ASSERT (otype == bfd_link_hash_common && ntype == bfd_link_hash_common);
|
|
|
|
|
if (osize > nsize)
|
|
|
|
|
{
|
|
|
|
|
einfo (_("%B: warning: common of `%T' overridden by larger common\n"),
|
|
|
|
|
nbfd, name);
|
|
|
|
|
if (obfd != NULL)
|
|
|
|
|
einfo (_("%B: warning: larger common is here\n"), obfd);
|
|
|
|
|
}
|
|
|
|
|
else if (nsize > osize)
|
|
|
|
|
{
|
|
|
|
|
einfo (_("%B: warning: common of `%T' overriding smaller common\n"),
|
|
|
|
|
nbfd, name);
|
|
|
|
|
if (obfd != NULL)
|
|
|
|
|
einfo (_("%B: warning: smaller common is here\n"), obfd);
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
einfo (_("%B: warning: multiple common of `%T'\n"), nbfd, name);
|
|
|
|
|
if (obfd != NULL)
|
|
|
|
|
einfo (_("%B: warning: previous common is here\n"), obfd);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
2002-11-30 09:39:46 +01:00
|
|
|
|
return TRUE;
|
1999-05-03 09:29:11 +02:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* This is called when BFD has discovered a set element. H is the
|
|
|
|
|
entry in the linker hash table for the set. SECTION and VALUE
|
|
|
|
|
represent a value which should be added to the set. */
|
|
|
|
|
|
2002-11-30 09:39:46 +01:00
|
|
|
|
static bfd_boolean
|
2003-06-28 07:28:54 +02:00
|
|
|
|
add_to_set (struct bfd_link_info *info ATTRIBUTE_UNUSED,
|
|
|
|
|
struct bfd_link_hash_entry *h,
|
|
|
|
|
bfd_reloc_code_real_type reloc,
|
|
|
|
|
bfd *abfd,
|
|
|
|
|
asection *section,
|
|
|
|
|
bfd_vma value)
|
1999-05-03 09:29:11 +02:00
|
|
|
|
{
|
|
|
|
|
if (config.warn_constructors)
|
|
|
|
|
einfo (_("%P: warning: global constructor %s used\n"),
|
|
|
|
|
h->root.string);
|
|
|
|
|
|
|
|
|
|
if (! config.build_constructors)
|
2002-11-30 09:39:46 +01:00
|
|
|
|
return TRUE;
|
1999-05-03 09:29:11 +02:00
|
|
|
|
|
2003-06-28 07:28:54 +02:00
|
|
|
|
ldctor_add_set_entry (h, reloc, NULL, section, value);
|
1999-05-03 09:29:11 +02:00
|
|
|
|
|
|
|
|
|
if (h->type == bfd_link_hash_new)
|
|
|
|
|
{
|
|
|
|
|
h->type = bfd_link_hash_undefined;
|
|
|
|
|
h->u.undef.abfd = abfd;
|
|
|
|
|
/* We don't call bfd_link_add_undef to add this to the list of
|
|
|
|
|
undefined symbols because we are going to define it
|
|
|
|
|
ourselves. */
|
|
|
|
|
}
|
|
|
|
|
|
2002-11-30 09:39:46 +01:00
|
|
|
|
return TRUE;
|
1999-05-03 09:29:11 +02:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* This is called when BFD has discovered a constructor. This is only
|
|
|
|
|
called for some object file formats--those which do not handle
|
|
|
|
|
constructors in some more clever fashion. This is similar to
|
|
|
|
|
adding an element to a set, but less general. */
|
|
|
|
|
|
2002-11-30 09:39:46 +01:00
|
|
|
|
static bfd_boolean
|
2003-06-28 07:28:54 +02:00
|
|
|
|
constructor_callback (struct bfd_link_info *info,
|
|
|
|
|
bfd_boolean constructor,
|
|
|
|
|
const char *name,
|
|
|
|
|
bfd *abfd,
|
|
|
|
|
asection *section,
|
|
|
|
|
bfd_vma value)
|
1999-05-03 09:29:11 +02:00
|
|
|
|
{
|
|
|
|
|
char *s;
|
|
|
|
|
struct bfd_link_hash_entry *h;
|
|
|
|
|
char set_name[1 + sizeof "__CTOR_LIST__"];
|
|
|
|
|
|
|
|
|
|
if (config.warn_constructors)
|
|
|
|
|
einfo (_("%P: warning: global constructor %s used\n"), name);
|
|
|
|
|
|
|
|
|
|
if (! config.build_constructors)
|
2002-11-30 09:39:46 +01:00
|
|
|
|
return TRUE;
|
1999-05-03 09:29:11 +02:00
|
|
|
|
|
|
|
|
|
/* Ensure that BFD_RELOC_CTOR exists now, so that we can give a
|
|
|
|
|
useful error message. */
|
|
|
|
|
if (bfd_reloc_type_lookup (output_bfd, BFD_RELOC_CTOR) == NULL
|
2005-06-03 11:52:50 +02:00
|
|
|
|
&& (info->relocatable
|
1999-05-03 09:29:11 +02:00
|
|
|
|
|| bfd_reloc_type_lookup (abfd, BFD_RELOC_CTOR) == NULL))
|
|
|
|
|
einfo (_("%P%F: BFD backend error: BFD_RELOC_CTOR unsupported\n"));
|
|
|
|
|
|
|
|
|
|
s = set_name;
|
|
|
|
|
if (bfd_get_symbol_leading_char (abfd) != '\0')
|
|
|
|
|
*s++ = bfd_get_symbol_leading_char (abfd);
|
|
|
|
|
if (constructor)
|
|
|
|
|
strcpy (s, "__CTOR_LIST__");
|
|
|
|
|
else
|
|
|
|
|
strcpy (s, "__DTOR_LIST__");
|
|
|
|
|
|
2002-11-30 09:39:46 +01:00
|
|
|
|
h = bfd_link_hash_lookup (info->hash, set_name, TRUE, TRUE, TRUE);
|
1999-05-03 09:29:11 +02:00
|
|
|
|
if (h == (struct bfd_link_hash_entry *) NULL)
|
|
|
|
|
einfo (_("%P%F: bfd_link_hash_lookup failed: %E\n"));
|
|
|
|
|
if (h->type == bfd_link_hash_new)
|
|
|
|
|
{
|
|
|
|
|
h->type = bfd_link_hash_undefined;
|
|
|
|
|
h->u.undef.abfd = abfd;
|
|
|
|
|
/* We don't call bfd_link_add_undef to add this to the list of
|
|
|
|
|
undefined symbols because we are going to define it
|
|
|
|
|
ourselves. */
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
ldctor_add_set_entry (h, BFD_RELOC_CTOR, name, section, value);
|
2002-11-30 09:39:46 +01:00
|
|
|
|
return TRUE;
|
1999-05-03 09:29:11 +02:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* A structure used by warning_callback to pass information through
|
|
|
|
|
bfd_map_over_sections. */
|
|
|
|
|
|
2003-02-25 11:32:33 +01:00
|
|
|
|
struct warning_callback_info
|
|
|
|
|
{
|
2002-11-30 09:39:46 +01:00
|
|
|
|
bfd_boolean found;
|
1999-05-03 09:29:11 +02:00
|
|
|
|
const char *warning;
|
|
|
|
|
const char *symbol;
|
|
|
|
|
asymbol **asymbols;
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
/* This is called when there is a reference to a warning symbol. */
|
|
|
|
|
|
2002-11-30 09:39:46 +01:00
|
|
|
|
static bfd_boolean
|
2003-06-28 07:28:54 +02:00
|
|
|
|
warning_callback (struct bfd_link_info *info ATTRIBUTE_UNUSED,
|
|
|
|
|
const char *warning,
|
|
|
|
|
const char *symbol,
|
|
|
|
|
bfd *abfd,
|
|
|
|
|
asection *section,
|
|
|
|
|
bfd_vma address)
|
1999-05-03 09:29:11 +02:00
|
|
|
|
{
|
|
|
|
|
/* This is a hack to support warn_multiple_gp. FIXME: This should
|
|
|
|
|
have a cleaner interface, but what? */
|
|
|
|
|
if (! config.warn_multiple_gp
|
|
|
|
|
&& strcmp (warning, "using multiple gp values") == 0)
|
2002-11-30 09:39:46 +01:00
|
|
|
|
return TRUE;
|
1999-05-03 09:29:11 +02:00
|
|
|
|
|
|
|
|
|
if (section != NULL)
|
2005-02-08 04:51:32 +01:00
|
|
|
|
einfo ("%C: %s%s\n", abfd, section, address, _("warning: "), warning);
|
1999-05-03 09:29:11 +02:00
|
|
|
|
else if (abfd == NULL)
|
2005-02-08 04:51:32 +01:00
|
|
|
|
einfo ("%P: %s%s\n", _("warning: "), warning);
|
1999-05-03 09:29:11 +02:00
|
|
|
|
else if (symbol == NULL)
|
2005-02-08 04:51:32 +01:00
|
|
|
|
einfo ("%B: %s%s\n", abfd, _("warning: "), warning);
|
1999-05-03 09:29:11 +02:00
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
lang_input_statement_type *entry;
|
|
|
|
|
asymbol **asymbols;
|
|
|
|
|
struct warning_callback_info info;
|
|
|
|
|
|
|
|
|
|
/* Look through the relocs to see if we can find a plausible
|
|
|
|
|
address. */
|
|
|
|
|
entry = (lang_input_statement_type *) abfd->usrdata;
|
|
|
|
|
if (entry != NULL && entry->asymbols != NULL)
|
|
|
|
|
asymbols = entry->asymbols;
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
long symsize;
|
|
|
|
|
long symbol_count;
|
|
|
|
|
|
|
|
|
|
symsize = bfd_get_symtab_upper_bound (abfd);
|
|
|
|
|
if (symsize < 0)
|
|
|
|
|
einfo (_("%B%F: could not read symbols: %E\n"), abfd);
|
2003-06-28 07:28:54 +02:00
|
|
|
|
asymbols = xmalloc (symsize);
|
1999-05-03 09:29:11 +02:00
|
|
|
|
symbol_count = bfd_canonicalize_symtab (abfd, asymbols);
|
|
|
|
|
if (symbol_count < 0)
|
|
|
|
|
einfo (_("%B%F: could not read symbols: %E\n"), abfd);
|
|
|
|
|
if (entry != NULL)
|
|
|
|
|
{
|
|
|
|
|
entry->asymbols = asymbols;
|
|
|
|
|
entry->symbol_count = symbol_count;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
2002-11-30 09:39:46 +01:00
|
|
|
|
info.found = FALSE;
|
1999-05-03 09:29:11 +02:00
|
|
|
|
info.warning = warning;
|
|
|
|
|
info.symbol = symbol;
|
|
|
|
|
info.asymbols = asymbols;
|
2003-06-28 07:28:54 +02:00
|
|
|
|
bfd_map_over_sections (abfd, warning_find_reloc, &info);
|
1999-05-03 09:29:11 +02:00
|
|
|
|
|
|
|
|
|
if (! info.found)
|
2005-02-08 04:51:32 +01:00
|
|
|
|
einfo ("%B: %s%s\n", abfd, _("warning: "), warning);
|
1999-05-03 09:29:11 +02:00
|
|
|
|
|
|
|
|
|
if (entry == NULL)
|
|
|
|
|
free (asymbols);
|
|
|
|
|
}
|
|
|
|
|
|
2002-11-30 09:39:46 +01:00
|
|
|
|
return TRUE;
|
1999-05-03 09:29:11 +02:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* This is called by warning_callback for each section. It checks the
|
|
|
|
|
relocs of the section to see if it can find a reference to the
|
|
|
|
|
symbol which triggered the warning. If it can, it uses the reloc
|
|
|
|
|
to give an error message with a file and line number. */
|
|
|
|
|
|
|
|
|
|
static void
|
2003-06-28 07:28:54 +02:00
|
|
|
|
warning_find_reloc (bfd *abfd, asection *sec, void *iarg)
|
1999-05-03 09:29:11 +02:00
|
|
|
|
{
|
2003-06-28 07:28:54 +02:00
|
|
|
|
struct warning_callback_info *info = iarg;
|
1999-05-03 09:29:11 +02:00
|
|
|
|
long relsize;
|
|
|
|
|
arelent **relpp;
|
|
|
|
|
long relcount;
|
|
|
|
|
arelent **p, **pend;
|
|
|
|
|
|
|
|
|
|
if (info->found)
|
|
|
|
|
return;
|
|
|
|
|
|
|
|
|
|
relsize = bfd_get_reloc_upper_bound (abfd, sec);
|
|
|
|
|
if (relsize < 0)
|
|
|
|
|
einfo (_("%B%F: could not read relocs: %E\n"), abfd);
|
|
|
|
|
if (relsize == 0)
|
|
|
|
|
return;
|
|
|
|
|
|
2003-06-28 07:28:54 +02:00
|
|
|
|
relpp = xmalloc (relsize);
|
1999-05-03 09:29:11 +02:00
|
|
|
|
relcount = bfd_canonicalize_reloc (abfd, sec, relpp, info->asymbols);
|
|
|
|
|
if (relcount < 0)
|
|
|
|
|
einfo (_("%B%F: could not read relocs: %E\n"), abfd);
|
|
|
|
|
|
|
|
|
|
p = relpp;
|
|
|
|
|
pend = p + relcount;
|
|
|
|
|
for (; p < pend && *p != NULL; p++)
|
|
|
|
|
{
|
|
|
|
|
arelent *q = *p;
|
|
|
|
|
|
|
|
|
|
if (q->sym_ptr_ptr != NULL
|
|
|
|
|
&& *q->sym_ptr_ptr != NULL
|
|
|
|
|
&& strcmp (bfd_asymbol_name (*q->sym_ptr_ptr), info->symbol) == 0)
|
|
|
|
|
{
|
|
|
|
|
/* We found a reloc for the symbol we are looking for. */
|
2005-02-08 04:51:32 +01:00
|
|
|
|
einfo ("%C: %s%s\n", abfd, sec, q->address, _("warning: "),
|
|
|
|
|
info->warning);
|
2002-11-30 09:39:46 +01:00
|
|
|
|
info->found = TRUE;
|
1999-05-03 09:29:11 +02:00
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
free (relpp);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* This is called when an undefined symbol is found. */
|
|
|
|
|
|
2002-11-30 09:39:46 +01:00
|
|
|
|
static bfd_boolean
|
2003-06-28 07:28:54 +02:00
|
|
|
|
undefined_symbol (struct bfd_link_info *info ATTRIBUTE_UNUSED,
|
|
|
|
|
const char *name,
|
|
|
|
|
bfd *abfd,
|
|
|
|
|
asection *section,
|
|
|
|
|
bfd_vma address,
|
2003-08-12 18:46:17 +02:00
|
|
|
|
bfd_boolean error)
|
1999-05-03 09:29:11 +02:00
|
|
|
|
{
|
|
|
|
|
static char *error_name;
|
|
|
|
|
static unsigned int error_count;
|
|
|
|
|
|
|
|
|
|
#define MAX_ERRORS_IN_A_ROW 5
|
|
|
|
|
|
|
|
|
|
if (config.warn_once)
|
|
|
|
|
{
|
|
|
|
|
static struct bfd_hash_table *hash;
|
|
|
|
|
|
|
|
|
|
/* Only warn once about a particular undefined symbol. */
|
|
|
|
|
if (hash == NULL)
|
|
|
|
|
{
|
2003-06-28 07:28:54 +02:00
|
|
|
|
hash = xmalloc (sizeof (struct bfd_hash_table));
|
2006-03-16 13:20:16 +01:00
|
|
|
|
if (!bfd_hash_table_init (hash, bfd_hash_newfunc,
|
|
|
|
|
sizeof (struct bfd_hash_entry)))
|
1999-05-03 09:29:11 +02:00
|
|
|
|
einfo (_("%F%P: bfd_hash_table_init failed: %E\n"));
|
|
|
|
|
}
|
|
|
|
|
|
2002-11-30 09:39:46 +01:00
|
|
|
|
if (bfd_hash_lookup (hash, name, FALSE, FALSE) != NULL)
|
|
|
|
|
return TRUE;
|
1999-05-03 09:29:11 +02:00
|
|
|
|
|
2002-11-30 09:39:46 +01:00
|
|
|
|
if (bfd_hash_lookup (hash, name, TRUE, TRUE) == NULL)
|
1999-05-03 09:29:11 +02:00
|
|
|
|
einfo (_("%F%P: bfd_hash_lookup failed: %E\n"));
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* We never print more than a reasonable number of errors in a row
|
|
|
|
|
for a single symbol. */
|
2003-06-28 07:28:54 +02:00
|
|
|
|
if (error_name != NULL
|
1999-05-03 09:29:11 +02:00
|
|
|
|
&& strcmp (name, error_name) == 0)
|
|
|
|
|
++error_count;
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
error_count = 0;
|
2003-06-28 07:28:54 +02:00
|
|
|
|
if (error_name != NULL)
|
1999-05-03 09:29:11 +02:00
|
|
|
|
free (error_name);
|
2001-05-02 18:42:55 +02:00
|
|
|
|
error_name = xstrdup (name);
|
1999-05-03 09:29:11 +02:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (section != NULL)
|
|
|
|
|
{
|
|
|
|
|
if (error_count < MAX_ERRORS_IN_A_ROW)
|
2000-03-01 20:37:03 +01:00
|
|
|
|
{
|
2003-08-12 18:46:17 +02:00
|
|
|
|
if (error)
|
|
|
|
|
einfo (_("%X%C: undefined reference to `%T'\n"),
|
|
|
|
|
abfd, section, address, name);
|
|
|
|
|
else
|
|
|
|
|
einfo (_("%C: warning: undefined reference to `%T'\n"),
|
|
|
|
|
abfd, section, address, name);
|
2000-03-01 20:37:03 +01:00
|
|
|
|
}
|
1999-05-03 09:29:11 +02:00
|
|
|
|
else if (error_count == MAX_ERRORS_IN_A_ROW)
|
2003-08-12 18:46:17 +02:00
|
|
|
|
{
|
|
|
|
|
if (error)
|
|
|
|
|
einfo (_("%X%D: more undefined references to `%T' follow\n"),
|
|
|
|
|
abfd, section, address, name);
|
|
|
|
|
else
|
|
|
|
|
einfo (_("%D: warning: more undefined references to `%T' follow\n"),
|
|
|
|
|
abfd, section, address, name);
|
|
|
|
|
}
|
|
|
|
|
else if (error)
|
|
|
|
|
einfo ("%X");
|
1999-05-03 09:29:11 +02:00
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
if (error_count < MAX_ERRORS_IN_A_ROW)
|
2000-03-01 20:37:03 +01:00
|
|
|
|
{
|
2003-08-12 18:46:17 +02:00
|
|
|
|
if (error)
|
|
|
|
|
einfo (_("%X%B: undefined reference to `%T'\n"),
|
|
|
|
|
abfd, name);
|
|
|
|
|
else
|
|
|
|
|
einfo (_("%B: warning: undefined reference to `%T'\n"),
|
|
|
|
|
abfd, name);
|
2000-03-01 20:37:03 +01:00
|
|
|
|
}
|
1999-05-03 09:29:11 +02:00
|
|
|
|
else if (error_count == MAX_ERRORS_IN_A_ROW)
|
2003-08-12 18:46:17 +02:00
|
|
|
|
{
|
|
|
|
|
if (error)
|
|
|
|
|
einfo (_("%X%B: more undefined references to `%T' follow\n"),
|
|
|
|
|
abfd, name);
|
|
|
|
|
else
|
|
|
|
|
einfo (_("%B: warning: more undefined references to `%T' follow\n"),
|
|
|
|
|
abfd, name);
|
|
|
|
|
}
|
|
|
|
|
else if (error)
|
|
|
|
|
einfo ("%X");
|
1999-05-03 09:29:11 +02:00
|
|
|
|
}
|
|
|
|
|
|
2002-11-30 09:39:46 +01:00
|
|
|
|
return TRUE;
|
1999-05-03 09:29:11 +02:00
|
|
|
|
}
|
|
|
|
|
|
2003-05-07 06:14:57 +02:00
|
|
|
|
/* Counter to limit the number of relocation overflow error messages
|
|
|
|
|
to print. Errors are printed as it is decremented. When it's
|
|
|
|
|
called and the counter is zero, a final message is printed
|
|
|
|
|
indicating more relocations were omitted. When it gets to -1, no
|
|
|
|
|
such errors are printed. If it's initially set to a value less
|
|
|
|
|
than -1, all such errors will be printed (--verbose does this). */
|
|
|
|
|
|
|
|
|
|
int overflow_cutoff_limit = 10;
|
|
|
|
|
|
1999-05-03 09:29:11 +02:00
|
|
|
|
/* This is called when a reloc overflows. */
|
|
|
|
|
|
2002-11-30 09:39:46 +01:00
|
|
|
|
static bfd_boolean
|
2003-06-28 07:28:54 +02:00
|
|
|
|
reloc_overflow (struct bfd_link_info *info ATTRIBUTE_UNUSED,
|
2004-10-21 17:28:33 +02:00
|
|
|
|
struct bfd_link_hash_entry *entry,
|
2003-06-28 07:28:54 +02:00
|
|
|
|
const char *name,
|
|
|
|
|
const char *reloc_name,
|
|
|
|
|
bfd_vma addend,
|
|
|
|
|
bfd *abfd,
|
|
|
|
|
asection *section,
|
|
|
|
|
bfd_vma address)
|
1999-05-03 09:29:11 +02:00
|
|
|
|
{
|
2003-05-07 06:14:57 +02:00
|
|
|
|
if (overflow_cutoff_limit == -1)
|
|
|
|
|
return TRUE;
|
|
|
|
|
|
2005-06-03 11:52:50 +02:00
|
|
|
|
einfo ("%X%C:", abfd, section, address);
|
2003-05-07 06:14:57 +02:00
|
|
|
|
|
|
|
|
|
if (overflow_cutoff_limit >= 0
|
|
|
|
|
&& overflow_cutoff_limit-- == 0)
|
|
|
|
|
{
|
|
|
|
|
einfo (_(" additional relocation overflows omitted from the output\n"));
|
|
|
|
|
return TRUE;
|
|
|
|
|
}
|
|
|
|
|
|
2004-10-21 17:28:33 +02:00
|
|
|
|
if (entry)
|
|
|
|
|
{
|
|
|
|
|
while (entry->type == bfd_link_hash_indirect
|
|
|
|
|
|| entry->type == bfd_link_hash_warning)
|
|
|
|
|
entry = entry->u.i.link;
|
|
|
|
|
switch (entry->type)
|
|
|
|
|
{
|
|
|
|
|
case bfd_link_hash_undefined:
|
|
|
|
|
case bfd_link_hash_undefweak:
|
|
|
|
|
einfo (_(" relocation truncated to fit: %s against undefined symbol `%T'"),
|
|
|
|
|
reloc_name, entry->root.string);
|
|
|
|
|
break;
|
|
|
|
|
case bfd_link_hash_defined:
|
|
|
|
|
case bfd_link_hash_defweak:
|
|
|
|
|
einfo (_(" relocation truncated to fit: %s against symbol `%T' defined in %A section in %B"),
|
|
|
|
|
reloc_name, entry->root.string,
|
2005-05-10 03:06:04 +02:00
|
|
|
|
entry->u.def.section,
|
|
|
|
|
entry->u.def.section == bfd_abs_section_ptr
|
|
|
|
|
? output_bfd : entry->u.def.section->owner);
|
2004-10-21 17:28:33 +02:00
|
|
|
|
break;
|
|
|
|
|
default:
|
|
|
|
|
abort ();
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
einfo (_(" relocation truncated to fit: %s against `%T'"),
|
|
|
|
|
reloc_name, name);
|
1999-05-03 09:29:11 +02:00
|
|
|
|
if (addend != 0)
|
|
|
|
|
einfo ("+%v", addend);
|
|
|
|
|
einfo ("\n");
|
2002-11-30 09:39:46 +01:00
|
|
|
|
return TRUE;
|
1999-05-03 09:29:11 +02:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* This is called when a dangerous relocation is made. */
|
|
|
|
|
|
2002-11-30 09:39:46 +01:00
|
|
|
|
static bfd_boolean
|
2003-06-28 07:28:54 +02:00
|
|
|
|
reloc_dangerous (struct bfd_link_info *info ATTRIBUTE_UNUSED,
|
|
|
|
|
const char *message,
|
|
|
|
|
bfd *abfd,
|
|
|
|
|
asection *section,
|
|
|
|
|
bfd_vma address)
|
1999-05-03 09:29:11 +02:00
|
|
|
|
{
|
2005-06-03 11:52:50 +02:00
|
|
|
|
einfo (_("%X%C: dangerous relocation: %s\n"),
|
|
|
|
|
abfd, section, address, message);
|
2002-11-30 09:39:46 +01:00
|
|
|
|
return TRUE;
|
1999-05-03 09:29:11 +02:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* This is called when a reloc is being generated attached to a symbol
|
|
|
|
|
that is not being output. */
|
|
|
|
|
|
2002-11-30 09:39:46 +01:00
|
|
|
|
static bfd_boolean
|
2003-06-28 07:28:54 +02:00
|
|
|
|
unattached_reloc (struct bfd_link_info *info ATTRIBUTE_UNUSED,
|
|
|
|
|
const char *name,
|
|
|
|
|
bfd *abfd,
|
|
|
|
|
asection *section,
|
|
|
|
|
bfd_vma address)
|
1999-05-03 09:29:11 +02:00
|
|
|
|
{
|
2005-06-03 11:52:50 +02:00
|
|
|
|
einfo (_("%X%C: reloc refers to symbol `%T' which is not being output\n"),
|
|
|
|
|
abfd, section, address, name);
|
2002-11-30 09:39:46 +01:00
|
|
|
|
return TRUE;
|
1999-05-03 09:29:11 +02:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* This is called if link_info.notice_all is set, or when a symbol in
|
|
|
|
|
link_info.notice_hash is found. Symbols are put in notice_hash
|
|
|
|
|
using the -y option. */
|
|
|
|
|
|
2002-11-30 09:39:46 +01:00
|
|
|
|
static bfd_boolean
|
2003-06-28 07:28:54 +02:00
|
|
|
|
notice (struct bfd_link_info *info,
|
|
|
|
|
const char *name,
|
|
|
|
|
bfd *abfd,
|
|
|
|
|
asection *section,
|
|
|
|
|
bfd_vma value)
|
1999-05-03 09:29:11 +02:00
|
|
|
|
{
|
|
|
|
|
if (! info->notice_all
|
|
|
|
|
|| (info->notice_hash != NULL
|
2002-11-30 09:39:46 +01:00
|
|
|
|
&& bfd_hash_lookup (info->notice_hash, name, FALSE, FALSE) != NULL))
|
1999-05-03 09:29:11 +02:00
|
|
|
|
{
|
|
|
|
|
if (bfd_is_und_section (section))
|
|
|
|
|
einfo ("%B: reference to %s\n", abfd, name);
|
|
|
|
|
else
|
|
|
|
|
einfo ("%B: definition of %s\n", abfd, name);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (command_line.cref || nocrossref_list != NULL)
|
|
|
|
|
add_cref (name, abfd, section, value);
|
|
|
|
|
|
2002-11-30 09:39:46 +01:00
|
|
|
|
return TRUE;
|
1999-05-03 09:29:11 +02:00
|
|
|
|
}
|