/* Main program of GNU linker.
- Copyright (C) 1991, 92, 93, 94, 95, 96, 97, 98, 1999
+ Copyright 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001,
+ 2002, 2003, 2004
Free Software Foundation, Inc.
Written by Steve Chamberlain steve@cygnus.com
-This file is part of GLD, the Gnu Linker.
+ This file is part of GLD, the Gnu Linker.
-GLD is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2, or (at your option)
-any later version.
+ GLD is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2, or (at your option)
+ any later version.
-GLD is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
+ GLD is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
-You should have received a copy of the GNU General Public License
-along with GLD; see the file COPYING. If not, write to the Free
-Software Foundation, 59 Temple Place - Suite 330, Boston, MA
-02111-1307, USA. */
+ You should have received a copy of the GNU General Public License
+ along with GLD; see the file COPYING. If not, write to the Free
+ Software Foundation, 59 Temple Place - Suite 330, Boston, MA
+ 02111-1307, USA. */
#include "bfd.h"
#include "sysdep.h"
#include <stdio.h>
-#include <ctype.h>
+#include "safe-ctype.h"
#include "libiberty.h"
#include "progress.h"
#include "bfdlink.h"
+#include "filenames.h"
#include "ld.h"
#include "ldmain.h"
#include "ldmisc.h"
#include "ldwrite.h"
-#include "ldgram.h"
#include "ldexp.h"
#include "ldlang.h"
-#include "ldemul.h"
+#include <ldgram.h>
#include "ldlex.h"
#include "ldfile.h"
+#include "ldemul.h"
#include "ldctor.h"
-/* Somewhere above, sys/stat.h got included . . . . */
+/* Somewhere above, sys/stat.h got included. */
#if !defined(S_ISDIR) && defined(S_IFDIR)
#define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR)
#endif
#ifdef HAVE_SBRK
#ifdef NEED_DECLARATION_SBRK
-extern PTR sbrk ();
+extern void *sbrk ();
#endif
#endif
-static char *get_emulation PARAMS ((int, char **));
-static void set_scripts_dir PARAMS ((void));
+#ifndef TARGET_SYSTEM_ROOT
+#define TARGET_SYSTEM_ROOT ""
+#endif
/* EXPORTS */
/* Name this program was invoked by. */
char *program_name;
-/* The file that we're creating */
+/* The prefix for system library directories. */
+char *ld_sysroot;
+
+/* The canonical representation of ld_sysroot. */
+char * ld_canon_sysroot;
+int ld_canon_sysroot_len;
+
+/* The file that we're creating. */
bfd *output_bfd = 0;
/* Set by -G argument, for MIPS ECOFF target. */
int g_switch_value = 8;
/* Nonzero means print names of input files as processed. */
-boolean trace_files;
+bfd_boolean trace_files;
/* Nonzero means same, but note open failures, too. */
-boolean trace_file_tries;
+bfd_boolean trace_file_tries;
/* Nonzero means version number was printed, so exit successfully
instead of complaining if no input files are given. */
-boolean version_printed;
+bfd_boolean version_printed;
/* Nonzero means link in every member of an archive. */
-boolean whole_archive;
+bfd_boolean whole_archive;
-/* True if we should demangle symbol names. */
-boolean demangling;
+/* Nonzero means create DT_NEEDED entries only if a dynamic library
+ actually satisfies some reference in a regular object. */
+bfd_boolean as_needed;
+
+/* Nonzero means never create DT_NEEDED entries for dynamic libraries
+ in DT_NEEDED tags. */
+bfd_boolean add_needed = TRUE;
+
+/* TRUE if we should demangle symbol names. */
+bfd_boolean demangling;
args_type command_line;
ld_config_type config;
-static void remove_output PARAMS ((void));
-static boolean check_for_scripts_dir PARAMS ((char *dir));
-static boolean add_archive_element PARAMS ((struct bfd_link_info *, bfd *,
- const char *));
-static boolean multiple_definition PARAMS ((struct bfd_link_info *,
- const char *,
- bfd *, asection *, bfd_vma,
- bfd *, asection *, bfd_vma));
-static boolean multiple_common PARAMS ((struct bfd_link_info *,
- const char *, bfd *,
- enum bfd_link_hash_type, bfd_vma,
- bfd *, enum bfd_link_hash_type,
- bfd_vma));
-static boolean add_to_set PARAMS ((struct bfd_link_info *,
- struct bfd_link_hash_entry *,
- bfd_reloc_code_real_type,
- bfd *, asection *, bfd_vma));
-static boolean constructor_callback PARAMS ((struct bfd_link_info *,
- boolean constructor,
- const char *name,
- bfd *, asection *, bfd_vma));
-static boolean warning_callback PARAMS ((struct bfd_link_info *,
- const char *, const char *, bfd *,
- asection *, bfd_vma));
-static void warning_find_reloc PARAMS ((bfd *, asection *, PTR));
-static boolean undefined_symbol PARAMS ((struct bfd_link_info *,
- const char *, bfd *,
- asection *, bfd_vma));
-static boolean reloc_overflow PARAMS ((struct bfd_link_info *, const char *,
- const char *, bfd_vma,
- bfd *, asection *, bfd_vma));
-static boolean reloc_dangerous PARAMS ((struct bfd_link_info *, const char *,
- bfd *, asection *, bfd_vma));
-static boolean unattached_reloc PARAMS ((struct bfd_link_info *,
- const char *, bfd *, asection *,
- bfd_vma));
-static boolean notice PARAMS ((struct bfd_link_info *, const char *,
- bfd *, asection *, bfd_vma));
+sort_type sort_section;
+
+static char *get_emulation
+ (int, char **);
+static void set_scripts_dir
+ (void);
+static bfd_boolean add_archive_element
+ (struct bfd_link_info *, bfd *, const char *);
+static bfd_boolean multiple_definition
+ (struct bfd_link_info *, const char *, bfd *, asection *, bfd_vma,
+ bfd *, asection *, bfd_vma);
+static bfd_boolean multiple_common
+ (struct bfd_link_info *, const char *, bfd *, enum bfd_link_hash_type,
+ bfd_vma, bfd *, enum bfd_link_hash_type, bfd_vma);
+static bfd_boolean add_to_set
+ (struct bfd_link_info *, struct bfd_link_hash_entry *,
+ bfd_reloc_code_real_type, bfd *, asection *, bfd_vma);
+static bfd_boolean constructor_callback
+ (struct bfd_link_info *, bfd_boolean, const char *, bfd *,
+ asection *, bfd_vma);
+static bfd_boolean warning_callback
+ (struct bfd_link_info *, const char *, const char *, bfd *,
+ asection *, bfd_vma);
+static void warning_find_reloc
+ (bfd *, asection *, void *);
+static bfd_boolean undefined_symbol
+ (struct bfd_link_info *, const char *, bfd *, asection *, bfd_vma,
+ bfd_boolean);
+static bfd_boolean reloc_overflow
+ (struct bfd_link_info *, struct bfd_link_hash_entry *, const char *,
+ const char *, bfd_vma, bfd *, asection *, bfd_vma);
+static bfd_boolean reloc_dangerous
+ (struct bfd_link_info *, const char *, bfd *, asection *, bfd_vma);
+static bfd_boolean unattached_reloc
+ (struct bfd_link_info *, const char *, bfd *, asection *, bfd_vma);
+static bfd_boolean notice
+ (struct bfd_link_info *, const char *, bfd *, asection *, bfd_vma);
static struct bfd_link_callbacks link_callbacks =
{
struct bfd_link_info link_info;
\f
static void
-remove_output ()
+remove_output (void)
{
- if (output_filename)
+ if (output_filename)
{
- if (output_bfd && output_bfd->iostream)
- fclose((FILE *)(output_bfd->iostream));
+ if (output_bfd)
+ bfd_cache_close (output_bfd);
if (delete_output_file_on_failure)
unlink (output_filename);
}
}
int
-main (argc, argv)
- int argc;
- char **argv;
+main (int argc, char **argv)
{
char *emulation;
long start_time = get_run_time ();
#if defined (HAVE_SETLOCALE) && defined (HAVE_LC_MESSAGES)
setlocale (LC_MESSAGES, "");
+#endif
+#if defined (HAVE_SETLOCALE)
+ setlocale (LC_CTYPE, "");
#endif
bindtextdomain (PACKAGE, LOCALEDIR);
textdomain (PACKAGE);
xatexit (remove_output);
+#ifdef TARGET_SYSTEM_ROOT_RELOCATABLE
+ ld_sysroot = make_relative_prefix (program_name, BINDIR,
+ TARGET_SYSTEM_ROOT);
+
+ if (ld_sysroot)
+ {
+ struct stat s;
+ int res = stat (ld_sysroot, &s) == 0 && S_ISDIR (s.st_mode);
+
+ if (!res)
+ {
+ free (ld_sysroot);
+ ld_sysroot = NULL;
+ }
+ }
+
+ if (! ld_sysroot)
+ {
+ ld_sysroot = make_relative_prefix (program_name, TOOLBINDIR,
+ TARGET_SYSTEM_ROOT);
+
+ if (ld_sysroot)
+ {
+ struct stat s;
+ int res = stat (ld_sysroot, &s) == 0 && S_ISDIR (s.st_mode);
+
+ if (!res)
+ {
+ free (ld_sysroot);
+ ld_sysroot = NULL;
+ }
+ }
+ }
+
+ if (! ld_sysroot)
+#endif
+ ld_sysroot = TARGET_SYSTEM_ROOT;
+
+ if (ld_sysroot && *ld_sysroot)
+ ld_canon_sysroot = lrealpath (ld_sysroot);
+
+ if (ld_canon_sysroot)
+ ld_canon_sysroot_len = strlen (ld_canon_sysroot);
+ else
+ ld_canon_sysroot_len = -1;
+
/* Set the default BFD target based on the configured target. Doing
this permits the linker to be configured for a particular target,
and linked against a shared BFD library which was configured for
xexit (1);
}
+#if YYDEBUG
+ {
+ extern int yydebug;
+ yydebug = 1;
+ }
+#endif
+
/* Initialize the data about options. */
- trace_files = trace_file_tries = version_printed = false;
- whole_archive = false;
- config.build_constructors = true;
- config.dynamic_link = false;
- config.has_shared = false;
- command_line.force_common_definition = false;
+ trace_files = trace_file_tries = version_printed = FALSE;
+ whole_archive = FALSE;
+ config.build_constructors = TRUE;
+ config.dynamic_link = FALSE;
+ config.has_shared = FALSE;
+ config.split_by_reloc = (unsigned) -1;
+ config.split_by_file = (bfd_size_type) -1;
+ config.hash_table_size = 0;
+ command_line.force_common_definition = FALSE;
+ command_line.inhibit_common_definition = FALSE;
command_line.interpreter = NULL;
command_line.rpath = NULL;
- command_line.warn_mismatch = true;
- command_line.check_section_addresses = true;
+ command_line.warn_mismatch = TRUE;
+ command_line.check_section_addresses = TRUE;
+ command_line.accept_unknown_input_arch = FALSE;
+ command_line.reduce_memory_overheads = FALSE;
+
+ sort_section = none;
/* We initialize DEMANGLING based on the environment variable
COLLECT_NO_DEMANGLE. The gcc collect2 program will demangle the
interface by default. */
demangling = getenv ("COLLECT_NO_DEMANGLE") == NULL;
- link_info.callbacks = &link_callbacks;
- link_info.relocateable = false;
- link_info.shared = false;
- link_info.symbolic = false;
- link_info.static_link = false;
- link_info.traditional_format = false;
- link_info.optimize = false;
- link_info.no_undefined = false;
+ link_info.relocatable = FALSE;
+ link_info.emitrelocations = FALSE;
+ link_info.task_link = FALSE;
+ link_info.shared = FALSE;
+ link_info.pie = FALSE;
+ link_info.executable = FALSE;
+ link_info.symbolic = FALSE;
+ link_info.export_dynamic = FALSE;
+ link_info.static_link = FALSE;
+ link_info.traditional_format = FALSE;
+ link_info.optimize = FALSE;
+ link_info.unresolved_syms_in_objects = RM_NOT_YET_SET;
+ link_info.unresolved_syms_in_shared_libs = RM_NOT_YET_SET;
+ link_info.allow_multiple_definition = FALSE;
+ link_info.allow_undefined_version = TRUE;
+ link_info.create_default_symver = FALSE;
+ link_info.default_imported_symver = FALSE;
+ 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;
+ link_info.relro = FALSE;
+ link_info.strip_discarded = TRUE;
link_info.strip = strip_none;
- link_info.discard = discard_none;
- link_info.keep_memory = true;
- link_info.input_bfds = NULL;
- link_info.create_object_symbols_section = NULL;
+ link_info.discard = discard_sec_merge;
+ link_info.common_skip_ar_aymbols = bfd_link_common_skip_none;
+ link_info.callbacks = &link_callbacks;
link_info.hash = NULL;
link_info.keep_hash = NULL;
- link_info.notice_all = false;
link_info.notice_hash = NULL;
link_info.wrap_hash = NULL;
- link_info.mpc860c0 = 0;
-
+ link_info.input_bfds = NULL;
+ link_info.create_object_symbols_section = NULL;
+ link_info.gc_sym_list = NULL;
+ link_info.base_file = NULL;
+ /* 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";
+ link_info.pei386_auto_import = -1;
+ link_info.pei386_runtime_pseudo_reloc = FALSE;
+ link_info.spare_dynamic_tags = 5;
+ link_info.flags = 0;
+ link_info.flags_1 = 0;
+ link_info.need_relax_finalize = FALSE;
+ link_info.warn_shared_textrel = FALSE;
+
ldfile_add_arch ("");
- config.make_executable = true;
- force_make_executable = false;
- config.magic_demand_paged = true;
- config.text_read_only = true;
- config.make_executable = true;
+ config.make_executable = TRUE;
+ force_make_executable = FALSE;
+ config.magic_demand_paged = TRUE;
+ config.text_read_only = TRUE;
emulation = get_emulation (argc, argv);
ldemul_choose_mode (emulation);
- default_target = ldemul_choose_target ();
+ default_target = ldemul_choose_target (argc, argv);
lang_init ();
ldemul_before_parse ();
- lang_has_input_file = false;
+ lang_has_input_file = FALSE;
parse_args (argc, argv);
+ if (config.hash_table_size != 0)
+ bfd_hash_set_default_size (config.hash_table_size);
+
ldemul_set_symbols ();
- if (link_info.relocateable)
+ if (link_info.relocatable)
{
if (command_line.gc_sections)
einfo ("%P%F: --gc-sections and -r may not be used together\n");
- if (link_info.mpc860c0)
- einfo (_("%P%F: -r and --mpc860c0 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"));
}
+ if (! link_info.shared)
+ {
+ if (command_line.filter_shlib)
+ einfo (_("%P%F: -F may not be used without -shared\n"));
+ if (command_line.auxiliary_filters)
+ einfo (_("%P%F: -f may not be used without -shared\n"));
+ }
+
+ if (! link_info.shared || link_info.pie)
+ link_info.executable = TRUE;
+
/* 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. */
- if (link_info.relocateable && link_info.strip == strip_all)
+ if (link_info.relocatable && link_info.strip == strip_all)
{
link_info.strip = strip_debugger;
- if (link_info.discard == discard_none)
+ if (link_info.discard == discard_sec_merge)
link_info.discard = discard_all;
}
the -L's in argv have been processed. */
set_scripts_dir ();
- if (had_script == false)
+ /* If we have not already opened and parsed a linker script
+ read the emulation's appropriate default script. */
+ if (saved_script_handle == NULL)
{
- /* Read the emulation's appropriate default script. */
int isfile;
char *s = ldemul_get_script (&isfile);
ldfile_open_command_file (s);
else
{
- if (trace_file_tries)
- {
- info_msg (_("using internal linker script:\n"));
- info_msg ("==================================================\n");
- info_msg (s);
- info_msg ("\n==================================================\n");
- }
lex_string = s;
lex_redirect (s);
}
lex_string = NULL;
}
+ if (trace_file_tries)
+ {
+ if (saved_script_handle)
+ info_msg (_("using external linker script:"));
+ else
+ info_msg (_("using internal linker script:"));
+ info_msg ("\n==================================================\n");
+
+ if (saved_script_handle)
+ {
+ static const int ld_bufsz = 8193;
+ size_t n;
+ char *buf = xmalloc (ld_bufsz);
+
+ rewind (saved_script_handle);
+ while ((n = fread (buf, 1, ld_bufsz - 1, saved_script_handle)) > 0)
+ {
+ buf[n] = 0;
+ info_msg (buf);
+ }
+ rewind (saved_script_handle);
+ free (buf);
+ }
+ else
+ {
+ int isfile;
+
+ info_msg (ldemul_get_script (&isfile));
+ }
+
+ info_msg ("\n==================================================\n");
+ }
+
lang_final ();
- if (lang_has_input_file == false)
+ if (!lang_has_input_file)
{
if (version_printed)
xexit (0);
}
if (trace_files)
- {
- info_msg (_("%P: mode %s\n"), emulation);
- }
+ info_msg (_("%P: mode %s\n"), emulation);
ldemul_after_parse ();
-
if (config.map_filename)
{
if (strcmp (config.map_filename, "-") == 0)
}
}
-
lang_process ();
/* Print error messages for any missing symbols, for any warning
- symbols, and possibly multiple definitions */
-
-
- if (config.text_read_only)
- {
- /* Look for a text section and mark the readonly attribute in it */
- asection *found = bfd_get_section_by_name (output_bfd, ".text");
-
- if (found != (asection *) NULL)
- {
- found->flags |= SEC_READONLY;
- }
- }
-
- if (link_info.relocateable)
+ symbols, and possibly multiple definitions. */
+ if (link_info.relocatable)
output_bfd->flags &= ~EXEC_P;
else
output_bfd->flags |= EXEC_P;
if (nocrossref_list != NULL)
check_nocrossrefs ();
- /* Even if we're producing relocateable output, some non-fatal errors should
+ /* Even if we're producing relocatable output, some non-fatal errors should
be reported in the exit status. (What non-fatal errors, if any, do we
- want to ignore for relocateable output?) */
-
- if (config.make_executable == false && force_make_executable == false)
+ want to ignore for relocatable output?) */
+ if (!config.make_executable && !force_make_executable)
{
- if (trace_files == true)
- {
- einfo (_("%P: link errors found, deleting executable `%s'\n"),
- output_filename);
- }
+ if (trace_files)
+ einfo (_("%P: link errors found, deleting executable `%s'\n"),
+ output_filename);
/* The file will be removed by remove_output. */
-
xexit (1);
}
else
einfo (_("%F%B: final close failed: %E\n"), output_bfd);
/* If the --force-exe-suffix is enabled, and we're making an
- executable file and it doesn't end in .exe, copy it to one which does. */
-
- if (! link_info.relocateable && command_line.force_exe_suffix)
+ executable file and it doesn't end in .exe, copy it to one
+ which does. */
+ if (! link_info.relocatable && command_line.force_exe_suffix)
{
int len = strlen (output_filename);
- if (len < 4
+
+ if (len < 4
|| (strcasecmp (output_filename + len - 4, ".exe") != 0
&& strcasecmp (output_filename + len - 4, ".dll") != 0))
{
char *buf = xmalloc (bsize);
int l;
char *dst_name = xmalloc (len + 5);
+
strcpy (dst_name, output_filename);
strcat (dst_name, ".exe");
src = fopen (output_filename, FOPEN_RB);
dst = fopen (dst_name, FOPEN_WB);
if (!src)
- einfo (_("%X%P: unable to open for source of copy `%s'\n"), output_filename);
+ einfo (_("%X%P: unable to open for source of copy `%s'\n"),
+ output_filename);
if (!dst)
- einfo (_("%X%P: unable to open for destination of copy `%s'\n"), dst_name);
+ einfo (_("%X%P: unable to open for destination of copy `%s'\n"),
+ dst_name);
while ((l = fread (buf, 1, bsize, src)) > 0)
{
int done = fwrite (buf, 1, l, dst);
+
if (done != l)
- {
- einfo (_("%P: Error writing file `%s'\n"), dst_name);
- }
+ einfo (_("%P: Error writing file `%s'\n"), dst_name);
}
+
fclose (src);
if (fclose (dst) == EOF)
- {
- einfo (_("%P: Error closing file `%s'\n"), dst_name);
- }
+ einfo (_("%P: Error closing file `%s'\n"), dst_name);
free (dst_name);
free (buf);
}
if (config.stats)
{
#ifdef HAVE_SBRK
- char *lim = (char *) sbrk (0);
+ char *lim = sbrk (0);
#endif
long run_time = get_run_time () - start_time;
state that's needed by the lex&yacc argument parser (parse_args). */
static char *
-get_emulation (argc, argv)
- int argc;
- char **argv;
+get_emulation (int argc, char **argv)
{
char *emulation;
int i;
i++;
}
else
- {
- einfo(_("%P%F: missing argument to -m\n"));
- }
+ einfo (_("%P%F: missing argument to -m\n"));
}
else if (strcmp (argv[i], "-mips1") == 0
|| strcmp (argv[i], "-mips2") == 0
|| strcmp (argv[i], "-mips3") == 0
- || strcmp (argv[i], "-mips4") == 0)
+ || strcmp (argv[i], "-mips4") == 0
+ || strcmp (argv[i], "-mips5") == 0
+ || strcmp (argv[i], "-mips32") == 0
+ || strcmp (argv[i], "-mips32r2") == 0
+ || strcmp (argv[i], "-mips64") == 0
+ || strcmp (argv[i], "-mips64r2") == 0)
{
- /* FIXME: The arguments -mips1, -mips2 and -mips3 are
+ /* FIXME: The arguments -mips1, -mips2, -mips3, etc. are
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
}
/* If directory DIR contains an "ldscripts" subdirectory,
- add DIR to the library search path and return true,
- else return false. */
+ add DIR to the library search path and return TRUE,
+ else return FALSE. */
-static boolean
-check_for_scripts_dir (dir)
- char *dir;
+static bfd_boolean
+check_for_scripts_dir (char *dir)
{
size_t dirlen;
char *buf;
struct stat s;
- boolean res;
+ bfd_boolean res;
dirlen = strlen (dir);
/* sizeof counts the terminating NUL. */
- buf = (char *) xmalloc (dirlen + sizeof("/ldscripts"));
+ buf = xmalloc (dirlen + sizeof ("/ldscripts"));
sprintf (buf, "%s/ldscripts", dir);
res = stat (buf, &s) == 0 && S_ISDIR (s.st_mode);
free (buf);
if (res)
- ldfile_add_library_path (dir, false);
+ ldfile_add_library_path (dir, FALSE);
return res;
}
Libraries will be searched for here too, but that's ok.
We look for the "ldscripts" directory in:
+ SCRIPTDIR (passed from Makefile)
+ (adjusted according to the current location of the binary)
SCRIPTDIR (passed from Makefile)
the dir where this program is (for using it from the build tree)
- the dir where this program is/../lib (for installing the tool suite elsewhere) */
+ the dir where this program is/../lib
+ (for installing the tool suite elsewhere). */
static void
-set_scripts_dir ()
+set_scripts_dir (void)
{
char *end, *dir;
size_t dirlen;
+ bfd_boolean found;
+
+ dir = make_relative_prefix (program_name, BINDIR, SCRIPTDIR);
+ if (dir)
+ {
+ found = check_for_scripts_dir (dir);
+ free (dir);
+ if (found)
+ return;
+ }
+
+ dir = make_relative_prefix (program_name, TOOLBINDIR, SCRIPTDIR);
+ if (dir)
+ {
+ found = check_for_scripts_dir (dir);
+ free (dir);
+ if (found)
+ return;
+ }
if (check_for_scripts_dir (SCRIPTDIR))
- return; /* We've been installed normally. */
+ /* We've been installed normally. */
+ return;
/* Look for "ldscripts" in the dir where our binary is. */
end = strrchr (program_name, '/');
+#ifdef HAVE_DOS_BASED_FILE_SYSTEM
+ {
+ /* We could have \foo\bar, or /foo\bar. */
+ char *bslash = strrchr (program_name, '\\');
+
+ if (end == NULL || (bslash != NULL && bslash > end))
+ end = bslash;
+ }
+#endif
if (end == NULL)
- {
- /* Don't look for ldscripts in the current directory. There is
- too much potential for confusion. */
- return;
- }
+ /* Don't look for ldscripts in the current directory. There is
+ too much potential for confusion. */
+ return;
dirlen = end - program_name;
/* Make a copy of program_name in dir.
Leave room for later "/../lib". */
- dir = (char *) xmalloc (dirlen + 8);
+ dir = xmalloc (dirlen + 8);
strncpy (dir, program_name, dirlen);
dir[dirlen] = '\0';
if (check_for_scripts_dir (dir))
- return; /* Don't free dir. */
+ {
+ free (dir);
+ return;
+ }
/* Look for "ldscripts" in <the dir where our binary is>/../lib. */
strcpy (dir + dirlen, "/../lib");
- if (check_for_scripts_dir (dir))
- return;
-
- free (dir); /* Well, we tried. */
+ check_for_scripts_dir (dir);
+ free (dir);
}
void
-add_ysym (name)
- const char *name;
+add_ysym (const char *name)
{
- if (link_info.notice_hash == (struct bfd_hash_table *) NULL)
+ if (link_info.notice_hash == NULL)
{
- link_info.notice_hash = ((struct bfd_hash_table *)
- xmalloc (sizeof (struct bfd_hash_table)));
+ link_info.notice_hash = xmalloc (sizeof (struct bfd_hash_table));
if (! bfd_hash_table_init_n (link_info.notice_hash,
bfd_hash_newfunc,
61))
einfo (_("%P%F: bfd_hash_table_init failed: %E\n"));
- }
+ }
- if (bfd_hash_lookup (link_info.notice_hash, name, true, true)
- == (struct bfd_hash_entry *) NULL)
+ if (bfd_hash_lookup (link_info.notice_hash, name, TRUE, TRUE) == NULL)
einfo (_("%P%F: bfd_hash_lookup failed: %E\n"));
}
/* Record a symbol to be wrapped, from the --wrap option. */
void
-add_wrap (name)
- const char *name;
+add_wrap (const char *name)
{
if (link_info.wrap_hash == NULL)
{
- link_info.wrap_hash = ((struct bfd_hash_table *)
- xmalloc (sizeof (struct bfd_hash_table)));
+ link_info.wrap_hash = xmalloc (sizeof (struct bfd_hash_table));
if (! bfd_hash_table_init_n (link_info.wrap_hash,
bfd_hash_newfunc,
61))
einfo (_("%P%F: bfd_hash_table_init failed: %E\n"));
}
- if (bfd_hash_lookup (link_info.wrap_hash, name, true, true) == NULL)
+
+ if (bfd_hash_lookup (link_info.wrap_hash, name, TRUE, TRUE) == NULL)
einfo (_("%P%F: bfd_hash_lookup failed: %E\n"));
}
/* Handle the -retain-symbols-file option. */
void
-add_keepsyms_file (filename)
- const char *filename;
+add_keepsyms_file (const char *filename)
{
FILE *file;
char *buf;
einfo (_("%X%P: error: duplicate retain-symbols-file\n"));
file = fopen (filename, "r");
- if (file == (FILE *) NULL)
+ if (file == NULL)
{
bfd_set_error (bfd_error_system_call);
einfo ("%X%P: %s: %E\n", filename);
return;
}
- link_info.keep_hash = ((struct bfd_hash_table *)
- xmalloc (sizeof (struct bfd_hash_table)));
+ link_info.keep_hash = xmalloc (sizeof (struct bfd_hash_table));
if (! bfd_hash_table_init (link_info.keep_hash, bfd_hash_newfunc))
einfo (_("%P%F: bfd_hash_table_init failed: %E\n"));
bufsize = 100;
- buf = (char *) xmalloc (bufsize);
+ buf = xmalloc (bufsize);
c = getc (file);
while (c != EOF)
{
- while (isspace (c))
+ while (ISSPACE (c))
c = getc (file);
if (c != EOF)
{
size_t len = 0;
- while (! isspace (c) && c != EOF)
+ while (! ISSPACE (c) && c != EOF)
{
buf[len] = c;
++len;
buf[len] = '\0';
- if (bfd_hash_lookup (link_info.keep_hash, buf, true, true)
- == (struct bfd_hash_entry *) NULL)
+ if (bfd_hash_lookup (link_info.keep_hash, buf, TRUE, TRUE) == NULL)
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"));
+ free (buf);
link_info.strip = strip_some;
}
\f
/* This is called when BFD has decided to include an archive member in
a link. */
-/*ARGSUSED*/
-static boolean
-add_archive_element (info, abfd, name)
- struct bfd_link_info *info;
- bfd *abfd;
- const char *name;
+static bfd_boolean
+add_archive_element (struct bfd_link_info *info ATTRIBUTE_UNUSED,
+ bfd *abfd,
+ const char *name)
{
lang_input_statement_type *input;
- input = ((lang_input_statement_type *)
- xmalloc (sizeof (lang_input_statement_type)));
+ input = xmalloc (sizeof (lang_input_statement_type));
input->filename = abfd->filename;
input->local_sym_name = abfd->filename;
input->the_bfd = abfd;
input->asymbols = NULL;
input->next = NULL;
- input->just_syms_flag = false;
- input->loaded = false;
- input->search_dirs_flag = false;
+ input->just_syms_flag = FALSE;
+ input->loaded = FALSE;
+ input->search_dirs_flag = FALSE;
/* FIXME: The following fields are not set: header.next,
header.type, closed, passive_position, symbol_count,
ldlang_add_file (input);
- if (config.map_file != (FILE *) NULL)
+ if (config.map_file != NULL)
{
- static boolean header_printed;
+ static bfd_boolean header_printed;
struct bfd_link_hash_entry *h;
bfd *from;
int len;
- h = bfd_link_hash_lookup (link_info.hash, name, false, false, true);
+ h = bfd_link_hash_lookup (link_info.hash, name, FALSE, FALSE, TRUE);
if (h == NULL)
from = NULL;
{
char buf[100];
- sprintf (buf, "%-29s %s\n\n", _("Archive member included"),
- _("because of file (symbol)"));
+ sprintf (buf, _("Archive member included because of file (symbol)\n\n"));
minfo ("%s", buf);
- header_printed = true;
+ header_printed = TRUE;
}
if (bfd_my_archive (abfd) == NULL)
if (trace_files || trace_file_tries)
info_msg ("%I\n", input);
- return true;
+ return TRUE;
}
/* This is called when BFD has discovered a symbol which is defined
multiple times. */
-/*ARGSUSED*/
-static boolean
-multiple_definition (info, name, obfd, osec, oval, nbfd, nsec, nval)
- struct bfd_link_info *info;
- const char *name;
- bfd *obfd;
- asection *osec;
- bfd_vma oval;
- bfd *nbfd;
- asection *nsec;
- bfd_vma nval;
+static bfd_boolean
+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)
{
/* If either section has the output_section field set to
bfd_abs_section_ptr, it means that the section is being
|| (nsec->output_section != NULL
&& ! bfd_is_abs_section (nsec)
&& bfd_is_abs_section (nsec->output_section)))
- return true;
+ return TRUE;
einfo (_("%X%C: multiple definition of `%T'\n"),
nbfd, nsec, nval, name);
- if (obfd != (bfd *) NULL)
+ if (obfd != NULL)
einfo (_("%D: first defined here\n"), obfd, osec, oval);
- return true;
+
+ if (command_line.relax)
+ {
+ einfo (_("%P: Disabling relaxation: it will not work with multiple definitions\n"));
+ command_line.relax = 0;
+ }
+
+ return TRUE;
}
/* This is called when there is a definition of a common symbol, or
or when two common symbols are found. We only do something if
-warn-common was used. */
-/*ARGSUSED*/
-static boolean
-multiple_common (info, name, obfd, otype, osize, nbfd, ntype, nsize)
- struct bfd_link_info *info;
- 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;
+static bfd_boolean
+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)
{
if (! config.warn_common)
- return true;
+ return TRUE;
if (ntype == bfd_link_hash_defined
|| ntype == bfd_link_hash_defweak
}
}
- return true;
+ return TRUE;
}
/* 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. */
-/*ARGSUSED*/
-static boolean
-add_to_set (info, h, reloc, abfd, section, value)
- struct bfd_link_info *info;
- struct bfd_link_hash_entry *h;
- bfd_reloc_code_real_type reloc;
- bfd *abfd;
- asection *section;
- bfd_vma value;
+static bfd_boolean
+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)
{
if (config.warn_constructors)
einfo (_("%P: warning: global constructor %s used\n"),
h->root.string);
if (! config.build_constructors)
- return true;
+ return TRUE;
- ldctor_add_set_entry (h, reloc, (const char *) NULL, section, value);
+ ldctor_add_set_entry (h, reloc, NULL, section, value);
if (h->type == bfd_link_hash_new)
{
ourselves. */
}
- return true;
+ return TRUE;
}
/* This is called when BFD has discovered a constructor. This is only
constructors in some more clever fashion. This is similar to
adding an element to a set, but less general. */
-static boolean
-constructor_callback (info, constructor, name, abfd, section, value)
- struct bfd_link_info *info;
- boolean constructor;
- const char *name;
- bfd *abfd;
- asection *section;
- bfd_vma value;
+static bfd_boolean
+constructor_callback (struct bfd_link_info *info,
+ bfd_boolean constructor,
+ const char *name,
+ bfd *abfd,
+ asection *section,
+ bfd_vma value)
{
char *s;
struct bfd_link_hash_entry *h;
einfo (_("%P: warning: global constructor %s used\n"), name);
if (! config.build_constructors)
- return true;
+ return TRUE;
/* 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
- && (link_info.relocateable
+ && (link_info.relocatable
|| bfd_reloc_type_lookup (abfd, BFD_RELOC_CTOR) == NULL))
einfo (_("%P%F: BFD backend error: BFD_RELOC_CTOR unsupported\n"));
else
strcpy (s, "__DTOR_LIST__");
- h = bfd_link_hash_lookup (info->hash, set_name, true, true, true);
+ h = bfd_link_hash_lookup (info->hash, set_name, TRUE, TRUE, TRUE);
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)
}
ldctor_add_set_entry (h, BFD_RELOC_CTOR, name, section, value);
- return true;
+ return TRUE;
}
/* A structure used by warning_callback to pass information through
struct warning_callback_info
{
- boolean found;
+ bfd_boolean found;
const char *warning;
const char *symbol;
asymbol **asymbols;
/* This is called when there is a reference to a warning symbol. */
-/*ARGSUSED*/
-static boolean
-warning_callback (info, warning, symbol, abfd, section, address)
- struct bfd_link_info *info;
- const char *warning;
- const char *symbol;
- bfd *abfd;
- asection *section;
- bfd_vma address;
+static bfd_boolean
+warning_callback (struct bfd_link_info *info ATTRIBUTE_UNUSED,
+ const char *warning,
+ const char *symbol,
+ bfd *abfd,
+ asection *section,
+ bfd_vma address)
{
/* 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)
- return true;
+ return TRUE;
if (section != NULL)
einfo ("%C: %s\n", abfd, section, address, warning);
/* 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;
symsize = bfd_get_symtab_upper_bound (abfd);
if (symsize < 0)
einfo (_("%B%F: could not read symbols: %E\n"), abfd);
- asymbols = (asymbol **) xmalloc (symsize);
+ asymbols = xmalloc (symsize);
symbol_count = bfd_canonicalize_symtab (abfd, asymbols);
if (symbol_count < 0)
einfo (_("%B%F: could not read symbols: %E\n"), abfd);
}
}
- info.found = false;
+ info.found = FALSE;
info.warning = warning;
info.symbol = symbol;
info.asymbols = asymbols;
- bfd_map_over_sections (abfd, warning_find_reloc, (PTR) &info);
+ bfd_map_over_sections (abfd, warning_find_reloc, &info);
if (! info.found)
einfo ("%B: %s\n", abfd, warning);
free (asymbols);
}
- return true;
+ return TRUE;
}
/* This is called by warning_callback for each section. It checks the
to give an error message with a file and line number. */
static void
-warning_find_reloc (abfd, sec, iarg)
- bfd *abfd;
- asection *sec;
- PTR iarg;
+warning_find_reloc (bfd *abfd, asection *sec, void *iarg)
{
- struct warning_callback_info *info = (struct warning_callback_info *) iarg;
+ struct warning_callback_info *info = iarg;
long relsize;
arelent **relpp;
long relcount;
if (relsize == 0)
return;
- relpp = (arelent **) xmalloc (relsize);
+ relpp = xmalloc (relsize);
relcount = bfd_canonicalize_reloc (abfd, sec, relpp, info->asymbols);
if (relcount < 0)
einfo (_("%B%F: could not read relocs: %E\n"), abfd);
{
/* We found a reloc for the symbol we are looking for. */
einfo ("%C: %s\n", abfd, sec, q->address, info->warning);
- info->found = true;
+ info->found = TRUE;
break;
}
}
/* This is called when an undefined symbol is found. */
-/*ARGSUSED*/
-static boolean
-undefined_symbol (info, name, abfd, section, address)
- struct bfd_link_info *info;
- const char *name;
- bfd *abfd;
- asection *section;
- bfd_vma address;
+static bfd_boolean
+undefined_symbol (struct bfd_link_info *info ATTRIBUTE_UNUSED,
+ const char *name,
+ bfd *abfd,
+ asection *section,
+ bfd_vma address,
+ bfd_boolean error)
{
static char *error_name;
static unsigned int error_count;
static struct bfd_hash_table *hash;
/* Only warn once about a particular undefined symbol. */
-
if (hash == NULL)
{
- hash = ((struct bfd_hash_table *)
- xmalloc (sizeof (struct bfd_hash_table)));
+ hash = xmalloc (sizeof (struct bfd_hash_table));
if (! bfd_hash_table_init (hash, bfd_hash_newfunc))
einfo (_("%F%P: bfd_hash_table_init failed: %E\n"));
}
- if (bfd_hash_lookup (hash, name, false, false) != NULL)
- return true;
+ if (bfd_hash_lookup (hash, name, FALSE, FALSE) != NULL)
+ return TRUE;
- if (bfd_hash_lookup (hash, name, true, true) == NULL)
+ if (bfd_hash_lookup (hash, name, TRUE, TRUE) == NULL)
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. */
- if (error_name != (char *) NULL
+ if (error_name != NULL
&& strcmp (name, error_name) == 0)
++error_count;
else
{
error_count = 0;
- if (error_name != (char *) NULL)
+ if (error_name != NULL)
free (error_name);
- error_name = buystring (name);
+ error_name = xstrdup (name);
}
if (section != NULL)
{
if (error_count < MAX_ERRORS_IN_A_ROW)
- einfo (_("%X%C: undefined reference to `%T'\n"),
- abfd, section, address, name);
+ {
+ 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);
+ }
else if (error_count == MAX_ERRORS_IN_A_ROW)
- einfo (_("%D: more undefined references to `%T' follow\n"),
- abfd, section, address, name);
+ {
+ 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");
}
else
{
if (error_count < MAX_ERRORS_IN_A_ROW)
- einfo (_("%X%B: undefined reference to `%T'\n"),
- abfd, name);
+ {
+ if (error)
+ einfo (_("%X%B: undefined reference to `%T'\n"),
+ abfd, name);
+ else
+ einfo (_("%B: warning: undefined reference to `%T'\n"),
+ abfd, name);
+ }
else if (error_count == MAX_ERRORS_IN_A_ROW)
- einfo (_("%B: more undefined references to `%T' follow\n"),
- abfd, name);
+ {
+ 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");
}
- return true;
+ return TRUE;
}
+/* 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;
+
/* This is called when a reloc overflows. */
-/*ARGSUSED*/
-static boolean
-reloc_overflow (info, name, reloc_name, addend, abfd, section, address)
- struct bfd_link_info *info;
- const char *name;
- const char *reloc_name;
- bfd_vma addend;
- bfd *abfd;
- asection *section;
- bfd_vma address;
+static bfd_boolean
+reloc_overflow (struct bfd_link_info *info ATTRIBUTE_UNUSED,
+ struct bfd_link_hash_entry *entry,
+ const char *name,
+ const char *reloc_name,
+ bfd_vma addend,
+ bfd *abfd,
+ asection *section,
+ bfd_vma address)
{
- if (abfd == (bfd *) NULL)
+ if (overflow_cutoff_limit == -1)
+ return TRUE;
+
+ if (abfd == NULL)
einfo (_("%P%X: generated"));
else
einfo ("%X%C:", abfd, section, address);
- einfo (_(" relocation truncated to fit: %s %T"), reloc_name, name);
+
+ if (overflow_cutoff_limit >= 0
+ && overflow_cutoff_limit-- == 0)
+ {
+ einfo (_(" additional relocation overflows omitted from the output\n"));
+ return TRUE;
+ }
+
+ 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,
+ entry->u.def.section, entry->u.def.section->owner);
+ break;
+ default:
+ abort ();
+ break;
+ }
+ }
+ else
+ einfo (_(" relocation truncated to fit: %s against `%T'"),
+ reloc_name, name);
if (addend != 0)
einfo ("+%v", addend);
einfo ("\n");
- return true;
+ return TRUE;
}
/* This is called when a dangerous relocation is made. */
-/*ARGSUSED*/
-static boolean
-reloc_dangerous (info, message, abfd, section, address)
- struct bfd_link_info *info;
- const char *message;
- bfd *abfd;
- asection *section;
- bfd_vma address;
+static bfd_boolean
+reloc_dangerous (struct bfd_link_info *info ATTRIBUTE_UNUSED,
+ const char *message,
+ bfd *abfd,
+ asection *section,
+ bfd_vma address)
{
- if (abfd == (bfd *) NULL)
+ if (abfd == NULL)
einfo (_("%P%X: generated"));
else
einfo ("%X%C:", abfd, section, address);
einfo (_("dangerous relocation: %s\n"), message);
- return true;
+ return TRUE;
}
/* This is called when a reloc is being generated attached to a symbol
that is not being output. */
-/*ARGSUSED*/
-static boolean
-unattached_reloc (info, name, abfd, section, address)
- struct bfd_link_info *info;
- const char *name;
- bfd *abfd;
- asection *section;
- bfd_vma address;
+static bfd_boolean
+unattached_reloc (struct bfd_link_info *info ATTRIBUTE_UNUSED,
+ const char *name,
+ bfd *abfd,
+ asection *section,
+ bfd_vma address)
{
- if (abfd == (bfd *) NULL)
+ if (abfd == NULL)
einfo (_("%P%X: generated"));
else
einfo ("%X%C:", abfd, section, address);
einfo (_(" reloc refers to symbol `%T' which is not being output\n"), name);
- return true;
+ return TRUE;
}
/* 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. */
-static boolean
-notice (info, name, abfd, section, value)
- struct bfd_link_info *info;
- const char *name;
- bfd *abfd;
- asection *section;
- bfd_vma value;
+static bfd_boolean
+notice (struct bfd_link_info *info,
+ const char *name,
+ bfd *abfd,
+ asection *section,
+ bfd_vma value)
{
if (! info->notice_all
|| (info->notice_hash != NULL
- && bfd_hash_lookup (info->notice_hash, name, false, false) != NULL))
+ && bfd_hash_lookup (info->notice_hash, name, FALSE, FALSE) != NULL))
{
if (bfd_is_und_section (section))
einfo ("%B: reference to %s\n", abfd, name);
if (command_line.cref || nocrossref_list != NULL)
add_cref (name, abfd, section, value);
- return true;
+ return TRUE;
}
projects / deliverable / binutils-gdb.git / blobdiff