/* Main program of GNU linker.
Copyright 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001,
- 2002, 2003
+ 2002, 2003, 2004, 2005
Free Software Foundation, Inc.
Written by Steve Chamberlain steve@cygnus.com
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. */
+ Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
+ 02110-1301, USA. */
#include "bfd.h"
#include "sysdep.h"
#include <string.h>
#ifdef HAVE_SBRK
-#ifdef NEED_DECLARATION_SBRK
-extern PTR sbrk ();
+#if !HAVE_DECL_SBRK
+extern void *sbrk ();
#endif
#endif
#define TARGET_SYSTEM_ROOT ""
#endif
-int main PARAMS ((int, char **));
-
/* EXPORTS */
char *default_target;
char *program_name;
/* The prefix for system library directories. */
-char *ld_sysroot;
+const 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;
/* Nonzero means link in every member of an archive. */
bfd_boolean whole_archive;
+/* 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;
ld_config_type config;
+sort_type sort_section;
+
+static const char *get_sysroot
+ (int, char **);
static char *get_emulation
- PARAMS ((int, char **));
+ (int, char **);
static void set_scripts_dir
- PARAMS ((void));
-static void remove_output
- PARAMS ((void));
-static bfd_boolean check_for_scripts_dir
- PARAMS ((char *));
+ (void);
static bfd_boolean add_archive_element
- PARAMS ((struct bfd_link_info *, bfd *, const char *));
+ (struct bfd_link_info *, bfd *, const char *);
static bfd_boolean multiple_definition
- PARAMS ((struct bfd_link_info *, const char *, bfd *, asection *, bfd_vma,
- bfd *, asection *, bfd_vma));
+ (struct bfd_link_info *, const char *, bfd *, asection *, bfd_vma,
+ bfd *, asection *, bfd_vma);
static bfd_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));
+ (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
- PARAMS ((struct bfd_link_info *, struct bfd_link_hash_entry *,
- bfd_reloc_code_real_type, bfd *, asection *, bfd_vma));
+ (struct bfd_link_info *, struct bfd_link_hash_entry *,
+ bfd_reloc_code_real_type, bfd *, asection *, bfd_vma);
static bfd_boolean constructor_callback
- PARAMS ((struct bfd_link_info *, bfd_boolean, const char *, bfd *,
- asection *, bfd_vma));
+ (struct bfd_link_info *, bfd_boolean, const char *, bfd *,
+ asection *, bfd_vma);
static bfd_boolean warning_callback
- PARAMS ((struct bfd_link_info *, const char *, const char *, bfd *,
- asection *, bfd_vma));
+ (struct bfd_link_info *, const char *, const char *, bfd *,
+ asection *, bfd_vma);
static void warning_find_reloc
- PARAMS ((bfd *, asection *, PTR));
+ (bfd *, asection *, void *);
static bfd_boolean undefined_symbol
- PARAMS ((struct bfd_link_info *, const char *, bfd *, asection *, bfd_vma,
- bfd_boolean));
+ (struct bfd_link_info *, const char *, bfd *, asection *, bfd_vma,
+ bfd_boolean);
static bfd_boolean reloc_overflow
- PARAMS ((struct bfd_link_info *, const char *, const char *, bfd_vma,
- bfd *, asection *, bfd_vma));
+ (struct bfd_link_info *, struct bfd_link_hash_entry *, const char *,
+ const char *, bfd_vma, bfd *, asection *, bfd_vma);
static bfd_boolean reloc_dangerous
- PARAMS ((struct bfd_link_info *, const char *, bfd *, asection *, bfd_vma));
+ (struct bfd_link_info *, const char *, bfd *, asection *, bfd_vma);
static bfd_boolean unattached_reloc
- PARAMS ((struct bfd_link_info *, const char *, bfd *, asection *, bfd_vma));
+ (struct bfd_link_info *, const char *, bfd *, asection *, bfd_vma);
static bfd_boolean notice
- PARAMS ((struct bfd_link_info *, const char *, bfd *, asection *, bfd_vma));
+ (struct bfd_link_info *, const char *, bfd *, asection *, bfd_vma);
static struct bfd_link_callbacks link_callbacks =
{
reloc_overflow,
reloc_dangerous,
unattached_reloc,
- notice
+ notice,
+ einfo
};
struct bfd_link_info link_info;
\f
static void
-remove_output ()
+remove_output (void)
{
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);
+ unlink_if_ordinary (output_filename);
}
}
int
-main (argc, argv)
- int argc;
- char **argv;
+main (int argc, char **argv)
{
char *emulation;
long start_time = get_run_time ();
START_PROGRESS (program_name, 0);
+ expandargv (&argc, &argv);
+
bfd_init ();
bfd_set_error_program_name (program_name);
xatexit (remove_output);
-#ifdef TARGET_SYSTEM_ROOT_RELOCATABLE
- ld_sysroot = make_relative_prefix (program_name, BINDIR,
- TARGET_SYSTEM_ROOT);
-
- if (ld_sysroot)
+ /* Set up the sysroot directory. */
+ ld_sysroot = get_sysroot (argc, argv);
+ if (*ld_sysroot)
{
- struct stat s;
- int res = stat (ld_sysroot, &s) == 0 && S_ISDIR (s.st_mode);
-
- if (!res)
+ if (*TARGET_SYSTEM_ROOT == 0)
{
- 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;
- }
+ einfo ("%P%F: this linker was not configured to use sysroots\n");
+ ld_sysroot = "";
}
+ else
+ ld_canon_sysroot = lrealpath (ld_sysroot);
}
-
- if (! ld_sysroot)
-#endif
- ld_sysroot = TARGET_SYSTEM_ROOT;
+ 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,
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.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.relocateable = 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.no_undefined = FALSE;
- link_info.allow_shlib_undefined = TRUE;
+ 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_sec_merge;
and _fini symbols. We are compatible. */
link_info.init_function = "_init";
link_info.fini_function = "_fini";
- link_info.mpc860c0 = 0;
link_info.pei386_auto_import = -1;
link_info.pei386_runtime_pseudo_reloc = FALSE;
link_info.spare_dynamic_tags = 5;
- link_info.flags = (bfd_vma) 0;
- link_info.flags_1 = (bfd_vma) 0;
+ link_info.flags = 0;
+ link_info.flags_1 = 0;
+ link_info.need_relax_finalize = FALSE;
+ link_info.warn_shared_textrel = FALSE;
+ link_info.gc_sections = FALSE;
ldfile_add_arch ("");
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)
+ if (link_info.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: -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_sec_merge)
/* Print error messages for any missing symbols, for any warning
symbols, and possibly multiple definitions. */
- if (link_info.relocateable)
+ 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
+ lang_finish ();
+
+ /* 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?) */
+ want to ignore for relocatable output?) */
if (!config.make_executable && !force_make_executable)
{
if (trace_files)
/* 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)
+ if (! link_info.relocatable && command_line.force_exe_suffix)
{
int len = strlen (output_filename);
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 (config.stats)
{
#ifdef HAVE_SBRK
- char *lim = (char *) sbrk (0);
+ char *lim = sbrk (0);
#endif
long run_time = get_run_time () - start_time;
return 0;
}
+/* 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;
+}
+
/* 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 *
-get_emulation (argc, argv)
- int argc;
- char **argv;
+get_emulation (int argc, char **argv)
{
char *emulation;
int i;
|| strcmp (argv[i], "-mips5") == 0
|| strcmp (argv[i], "-mips32") == 0
|| strcmp (argv[i], "-mips32r2") == 0
- || strcmp (argv[i], "-mips64") == 0)
+ || strcmp (argv[i], "-mips64") == 0
+ || strcmp (argv[i], "-mips64r2") == 0)
{
/* FIXME: The arguments -mips1, -mips2, -mips3, etc. are
passed to the linker by some MIPS compilers. They
else return FALSE. */
static bfd_boolean
-check_for_scripts_dir (dir)
- char *dir;
+check_for_scripts_dir (char *dir)
{
size_t dirlen;
char *buf;
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);
(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 && check_for_scripts_dir (dir))
- /* Success. Don't free dir. */
- return;
-
if (dir)
- free (dir);
+ {
+ found = check_for_scripts_dir (dir);
+ free (dir);
+ if (found)
+ return;
+ }
dir = make_relative_prefix (program_name, TOOLBINDIR, SCRIPTDIR);
- if (dir && check_for_scripts_dir (dir))
- /* Success. Don't free dir. */
- return;
-
if (dir)
- free (dir);
+ {
+ found = check_for_scripts_dir (dir);
+ free (dir);
+ if (found)
+ return;
+ }
if (check_for_scripts_dir (SCRIPTDIR))
/* We've been installed normally. */
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))
- /* Don't free dir. */
- return;
+ {
+ 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;
-
- /* 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))
/* 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)
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
a link. */
static bfd_boolean
-add_archive_element (info, abfd, name)
- struct bfd_link_info *info ATTRIBUTE_UNUSED;
- bfd *abfd;
- const char *name;
+add_archive_element (struct bfd_link_info *info,
+ 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;
ldlang_add_file (input);
- if (config.map_file != (FILE *) NULL)
+ if (config.map_file != NULL)
{
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 (info->hash, name, FALSE, FALSE, TRUE);
if (h == NULL)
from = NULL;
multiple times. */
static bfd_boolean
-multiple_definition (info, name, obfd, osec, oval, nbfd, nsec, nval)
- struct bfd_link_info *info ATTRIBUTE_UNUSED;
- const char *name;
- bfd *obfd;
- asection *osec;
- bfd_vma oval;
- bfd *nbfd;
- asection *nsec;
- bfd_vma nval;
+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
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);
if (command_line.relax)
-warn-common was used. */
static bfd_boolean
-multiple_common (info, name, obfd, otype, osize, nbfd, ntype, nsize)
- 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;
+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;
represent a value which should be added to the set. */
static bfd_boolean
-add_to_set (info, h, reloc, abfd, section, value)
- 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;
+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"),
if (! config.build_constructors)
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)
{
adding an element to a set, but less general. */
static bfd_boolean
-constructor_callback (info, constructor, name, abfd, section, value)
- struct bfd_link_info *info;
- bfd_boolean constructor;
- const char *name;
- bfd *abfd;
- asection *section;
- bfd_vma value;
+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;
/* 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
+ && (info->relocatable
|| bfd_reloc_type_lookup (abfd, BFD_RELOC_CTOR) == NULL))
einfo (_("%P%F: BFD backend error: BFD_RELOC_CTOR unsupported\n"));
/* This is called when there is a reference to a warning symbol. */
static bfd_boolean
-warning_callback (info, warning, symbol, abfd, section, address)
- struct bfd_link_info *info ATTRIBUTE_UNUSED;
- const char *warning;
- const char *symbol;
- bfd *abfd;
- asection *section;
- bfd_vma address;
+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? */
return TRUE;
if (section != NULL)
- einfo ("%C: %s\n", abfd, section, address, warning);
+ einfo ("%C: %s%s\n", abfd, section, address, _("warning: "), warning);
else if (abfd == NULL)
- einfo ("%P: %s\n", warning);
+ einfo ("%P: %s%s\n", _("warning: "), warning);
else if (symbol == NULL)
- einfo ("%B: %s\n", abfd, warning);
+ einfo ("%B: %s%s\n", abfd, _("warning: "), warning);
else
{
lang_input_statement_type *entry;
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.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);
+ einfo ("%B: %s%s\n", abfd, _("warning: "), warning);
if (entry == NULL)
free (asymbols);
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);
&& strcmp (bfd_asymbol_name (*q->sym_ptr_ptr), info->symbol) == 0)
{
/* We found a reloc for the symbol we are looking for. */
- einfo ("%C: %s\n", abfd, sec, q->address, info->warning);
+ einfo ("%C: %s%s\n", abfd, sec, q->address, _("warning: "),
+ info->warning);
info->found = TRUE;
break;
}
/* This is called when an undefined symbol is found. */
static bfd_boolean
-undefined_symbol (info, name, abfd, section, address, fatal)
- struct bfd_link_info *info ATTRIBUTE_UNUSED;
- const char *name;
- bfd *abfd;
- asection *section;
- bfd_vma address;
- bfd_boolean fatal ATTRIBUTE_UNUSED;
+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;
/* 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"));
}
/* 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 = xstrdup (name);
}
{
if (error_count < MAX_ERRORS_IN_A_ROW)
{
- einfo (_("%C: undefined reference to `%T'\n"),
- abfd, section, address, name);
- if (fatal)
- einfo ("%X");
+ 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 (_("%B: undefined reference to `%T'\n"),
- abfd, name);
- if (fatal)
- einfo ("%X");
+ 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;
}
+/* 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. */
static bfd_boolean
-reloc_overflow (info, name, reloc_name, addend, abfd, section, address)
- struct bfd_link_info *info ATTRIBUTE_UNUSED;
- const char *name;
- const char *reloc_name;
- bfd_vma addend;
- bfd *abfd;
- asection *section;
- bfd_vma address;
+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)
- einfo (_("%P%X: generated"));
+ if (overflow_cutoff_limit == -1)
+ return TRUE;
+
+ einfo ("%X%C:", abfd, section, address);
+
+ 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 == bfd_abs_section_ptr
+ ? output_bfd : entry->u.def.section->owner);
+ break;
+ default:
+ abort ();
+ break;
+ }
+ }
else
- einfo ("%X%C:", abfd, section, address);
- einfo (_(" relocation truncated to fit: %s %T"), reloc_name, name);
+ einfo (_(" relocation truncated to fit: %s against `%T'"),
+ reloc_name, name);
if (addend != 0)
einfo ("+%v", addend);
einfo ("\n");
/* This is called when a dangerous relocation is made. */
static bfd_boolean
-reloc_dangerous (info, message, abfd, section, address)
- struct bfd_link_info *info ATTRIBUTE_UNUSED;
- const char *message;
- bfd *abfd;
- asection *section;
- bfd_vma address;
+reloc_dangerous (struct bfd_link_info *info ATTRIBUTE_UNUSED,
+ const char *message,
+ bfd *abfd,
+ asection *section,
+ bfd_vma address)
{
- if (abfd == (bfd *) NULL)
- einfo (_("%P%X: generated"));
- else
- einfo ("%X%C:", abfd, section, address);
- einfo (_("dangerous relocation: %s\n"), message);
+ einfo (_("%X%C: dangerous relocation: %s\n"),
+ abfd, section, address, message);
return TRUE;
}
that is not being output. */
static bfd_boolean
-unattached_reloc (info, name, abfd, section, address)
- struct bfd_link_info *info ATTRIBUTE_UNUSED;
- const char *name;
- bfd *abfd;
- asection *section;
- bfd_vma address;
+unattached_reloc (struct bfd_link_info *info ATTRIBUTE_UNUSED,
+ const char *name,
+ bfd *abfd,
+ asection *section,
+ bfd_vma address)
{
- if (abfd == (bfd *) 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);
+ einfo (_("%X%C: reloc refers to symbol `%T' which is not being output\n"),
+ abfd, section, address, name);
return TRUE;
}
using the -y option. */
static bfd_boolean
-notice (info, name, abfd, section, value)
- struct bfd_link_info *info;
- const char *name;
- bfd *abfd;
- asection *section;
- bfd_vma value;
+notice (struct bfd_link_info *info,
+ const char *name,
+ bfd *abfd,
+ asection *section,
+ bfd_vma value)
{
if (! info->notice_all
|| (info->notice_hash != NULL
projects / deliverable / binutils-gdb.git / blobdiff