/* ldmisc.c
- Copyright 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
- 2000, 2002, 2003
+ Copyright 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
+ 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2010, 2011
Free Software Foundation, Inc.
Written by Steve Chamberlain of Cygnus Support.
- This file is part of GLD, the Gnu Linker.
+ This file is part of the GNU Binutils.
- GLD is free software; you can redistribute it and/or modify
+ This program 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.
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
- GLD is distributed in the hope that it will be useful,
+ This program 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. */
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
+ MA 02110-1301, USA. */
+#include "sysdep.h"
#include "bfd.h"
#include "bfdlink.h"
-#include "sysdep.h"
#include "libiberty.h"
+#include "filenames.h"
#include "demangle.h"
#include <stdarg.h>
#include "ld.h"
#include "ldlex.h"
#include "ldmain.h"
#include "ldfile.h"
+#include "elf-bfd.h"
/*
%% literal %
+ %A section name from a section
+ %B filename from a bfd
+ %C clever filename:linenumber with function
+ %D like %C, but no function name
+ %E current bfd error or errno
%F error is fatal
+ %G like %D, but only function name
+ %H like %C but in addition emit section+offset
+ %I filename from a lang_input_statement_type
%P print program name
+ %R info about a relent
%S print script file and linenumber
- %E current bfd error or errno
- %I filename from a lang_input_statement_type
- %B filename from a bfd
%T symbol name
- %X no object output, fail return
%V hex bfd_vma
- %v hex bfd_vma, no leading zeros
%W hex bfd_vma with 0x with no leading zeros taking up 8 spaces
- %C clever filename:linenumber with function
- %D like %C, but no function name
- %G like %D, but only function name
- %R info about a relent
- %s arbitrary string, like printf
+ %X no object output, fail return
%d integer, like printf
+ %ld long, like printf
+ %lu unsigned long, like printf
+ %p native (host) void* pointer, like printf
+ %s arbitrary string, like printf
%u integer, like printf
+ %v hex bfd_vma, no leading zeros
*/
-static void
-vfinfo (FILE *fp, const char *fmt, va_list arg)
+void
+vfinfo (FILE *fp, const char *fmt, va_list arg, bfd_boolean is_warning)
{
bfd_boolean fatal = FALSE;
fmt++;
switch (*fmt++)
{
- default:
- fprintf (fp, "%%%c", fmt[-1]);
- break;
-
case '%':
/* literal % */
putc ('%', fp);
const char *name = va_arg (arg, const char *);
if (name == NULL || *name == 0)
- fprintf (fp, _("no symbol"));
- else if (! demangling)
- fprintf (fp, "%s", name);
- else
+ {
+ fprintf (fp, _("no symbol"));
+ break;
+ }
+ else if (demangling)
{
char *demangled;
- demangled = demangle (name);
- fprintf (fp, "%s", demangled);
- free (demangled);
+ demangled = bfd_demangle (link_info.output_bfd, name,
+ DMGL_ANSI | DMGL_PARAMS);
+ if (demangled != NULL)
+ {
+ fprintf (fp, "%s", demangled);
+ free (demangled);
+ break;
+ }
}
+ fprintf (fp, "%s", name);
+ }
+ break;
+
+ case 'A':
+ /* section name from a section */
+ {
+ asection *sec = va_arg (arg, asection *);
+ bfd *abfd = sec->owner;
+ const char *group = NULL;
+ struct coff_comdat_info *ci;
+
+ fprintf (fp, "%s", sec->name);
+ if (abfd != NULL
+ && bfd_get_flavour (abfd) == bfd_target_elf_flavour
+ && elf_next_in_group (sec) != NULL
+ && (sec->flags & SEC_GROUP) == 0)
+ group = elf_group_name (sec);
+ else if (abfd != NULL
+ && bfd_get_flavour (abfd) == bfd_target_coff_flavour
+ && (ci = bfd_coff_get_comdat_section (sec->owner,
+ sec)) != NULL)
+ group = ci->name;
+ if (group != NULL)
+ fprintf (fp, "[%s]", group);
}
break;
/* filename from a bfd */
{
bfd *abfd = va_arg (arg, bfd *);
- if (abfd->my_archive)
+
+ if (abfd == NULL)
+ fprintf (fp, "%s generated", program_name);
+ else if (abfd->my_archive)
fprintf (fp, "%s(%s)", abfd->my_archive->filename,
abfd->filename);
else
bfd_get_filename (bfd_my_archive (i->the_bfd)));
fprintf (fp, "%s", i->local_sym_name);
if (bfd_my_archive (i->the_bfd) == NULL
- && strcmp (i->local_sym_name, i->filename) != 0)
+ && filename_cmp (i->local_sym_name, i->filename) != 0)
fprintf (fp, " (%s)", i->filename);
}
break;
case 'C':
case 'D':
case 'G':
+ case 'H':
/* Clever filename:linenumber with function name if possible.
The arguments are a BFD, a section, and an offset. */
{
bfd *abfd;
asection *section;
bfd_vma offset;
- lang_input_statement_type *entry;
- asymbol **asymbols;
+ asymbol **asymbols = NULL;
const char *filename;
const char *functionname;
unsigned int linenumber;
bfd_boolean discard_last;
+ bfd_boolean done;
abfd = va_arg (arg, bfd *);
section = va_arg (arg, asection *);
offset = va_arg (arg, bfd_vma);
- entry = (lang_input_statement_type *) abfd->usrdata;
- if (entry != (lang_input_statement_type *) NULL
- && entry->asymbols != (asymbol **) NULL)
- asymbols = entry->asymbols;
- else
+ if (abfd != NULL)
{
- long symsize;
- long symbol_count;
-
- symsize = bfd_get_symtab_upper_bound (abfd);
- if (symsize < 0)
- einfo (_("%B%F: could not read symbols\n"), abfd);
- asymbols = xmalloc (symsize);
- symbol_count = bfd_canonicalize_symtab (abfd, asymbols);
- if (symbol_count < 0)
- einfo (_("%B%F: could not read symbols\n"), abfd);
- if (entry != (lang_input_statement_type *) NULL)
- {
- entry->asymbols = asymbols;
- entry->symbol_count = symbol_count;
- }
+ if (!bfd_generic_link_read_symbols (abfd))
+ einfo (_("%B%F: could not read symbols: %E\n"), abfd);
+
+ asymbols = bfd_get_outsymbols (abfd);
}
- lfinfo (fp, "%B(%s+0x%v)", abfd, section->name, offset);
+ /* The GNU Coding Standard requires that error messages
+ be of the form:
+
+ source-file-name:lineno: message
+ We do not always have a line number available so if
+ we cannot find them we print out the section name and
+ offset instead. */
discard_last = TRUE;
- if (bfd_find_nearest_line (abfd, section, asymbols, offset,
- &filename, &functionname,
- &linenumber))
+ if (abfd != NULL
+ && bfd_find_nearest_line (abfd, section, asymbols, offset,
+ &filename, &functionname,
+ &linenumber))
{
- bfd_boolean need_colon = TRUE;
-
- if (functionname != NULL && fmt[-1] == 'C')
+ if (functionname != NULL
+ && (fmt[-1] == 'C' || fmt[-1] == 'H'))
{
+ /* Detect the case where we are printing out a
+ message for the same function as the last
+ call to vinfo ("%C"). In this situation do
+ not print out the ABFD filename or the
+ function name again. Note - we do still
+ print out the source filename, as this will
+ allow programs that parse the linker's output
+ (eg emacs) to correctly locate multiple
+ errors in the same source file. */
if (last_bfd == NULL
|| last_file == NULL
|| last_function == NULL
|| last_bfd != abfd
|| (filename != NULL
- && strcmp (last_file, filename) != 0)
+ && filename_cmp (last_file, filename) != 0)
|| strcmp (last_function, functionname) != 0)
{
- lfinfo (fp, _(": In function `%T':\n"),
- functionname);
- need_colon = FALSE;
+ lfinfo (fp, _("%B: In function `%T':\n"),
+ abfd, functionname);
last_bfd = abfd;
if (last_file != NULL)
}
discard_last = FALSE;
}
+ else
+ lfinfo (fp, "%B:", abfd);
if (filename != NULL)
- {
- if (need_colon)
- putc (':', fp);
- fputs (filename, fp);
- }
+ fprintf (fp, "%s:", filename);
+ done = fmt[-1] != 'H';
if (functionname != NULL && fmt[-1] == 'G')
- lfinfo (fp, ":%T", functionname);
+ lfinfo (fp, "%T", functionname);
else if (filename != NULL && linenumber != 0)
- fprintf (fp, ":%u", linenumber);
+ fprintf (fp, "%u%s", linenumber, ":" + done);
+ else
+ done = FALSE;
}
-
- if (asymbols != NULL && entry == NULL)
- free (asymbols);
+ else
+ {
+ lfinfo (fp, "%B:", abfd);
+ done = FALSE;
+ }
+ if (!done)
+ lfinfo (fp, "(%A+0x%v)", section, offset);
if (discard_last)
{
}
break;
+ case 'p':
+ /* native (host) void* pointer, like printf */
+ fprintf (fp, "%p", va_arg (arg, void *));
+ break;
+
case 's':
/* arbitrary string, like printf */
fprintf (fp, "%s", va_arg (arg, char *));
/* unsigned integer, like printf */
fprintf (fp, "%u", va_arg (arg, unsigned int));
break;
+
+ case 'l':
+ if (*fmt == 'd')
+ {
+ fprintf (fp, "%ld", va_arg (arg, long));
+ ++fmt;
+ break;
+ }
+ else if (*fmt == 'u')
+ {
+ fprintf (fp, "%lu", va_arg (arg, unsigned long));
+ ++fmt;
+ break;
+ }
+ /* Fall thru */
+
+ default:
+ fprintf (fp, "%%%c", fmt[-1]);
+ break;
}
}
}
- if (config.fatal_warnings)
+ if (is_warning && config.fatal_warnings)
config.make_executable = FALSE;
if (fatal)
xexit (1);
}
-/* Wrapper around cplus_demangle. Strips leading underscores and
- other such chars that would otherwise confuse the demangler. */
-
-char *
-demangle (const char *name)
-{
- char *res;
- const char *p;
-
- if (output_bfd != NULL
- && bfd_get_symbol_leading_char (output_bfd) == name[0])
- ++name;
-
- /* This is a hack for better error reporting on XCOFF, PowerPC64-ELF
- or the MS PE format. These formats have a number of leading '.'s
- on at least some symbols, so we remove all dots to avoid
- confusing the demangler. */
- p = name;
- while (*p == '.')
- ++p;
-
- res = cplus_demangle (p, DMGL_ANSI | DMGL_PARAMS);
- if (res)
- {
- size_t dots = p - name;
-
- /* Now put back any stripped dots. */
- if (dots != 0)
- {
- size_t len = strlen (res) + 1;
- char *add_dots = xmalloc (len + dots);
-
- memcpy (add_dots, name, dots);
- memcpy (add_dots + dots, res, len);
- free (res);
- res = add_dots;
- }
- return res;
- }
- return xstrdup (name);
-}
-
/* Format info message and print on stdout. */
/* (You would think this should be called just "info", but then you
va_list arg;
va_start (arg, fmt);
- vfinfo (stdout, fmt, arg);
+ vfinfo (stdout, fmt, arg, FALSE);
va_end (arg);
}
{
va_list arg;
+ fflush (stdout);
va_start (arg, fmt);
- vfinfo (stderr, fmt, arg);
+ vfinfo (stderr, fmt, arg, TRUE);
va_end (arg);
+ fflush (stderr);
}
void
void
minfo (const char *fmt, ...)
{
- va_list arg;
+ if (config.map_file != NULL)
+ {
+ va_list arg;
- va_start (arg, fmt);
- vfinfo (config.map_file, fmt, arg);
- va_end (arg);
+ va_start (arg, fmt);
+ vfinfo (config.map_file, fmt, arg, FALSE);
+ va_end (arg);
+ }
}
void
va_list arg;
va_start (arg, fmt);
- vfinfo (file, fmt, arg);
+ vfinfo (file, fmt, arg, FALSE);
va_end (arg);
}
\f
einfo (_("%P%F: please report this bug\n"));
xexit (1);
}
-
-bfd_boolean
-error_handler (int id, const char *fmt, ...)
-{
- va_list arg;
-
- va_start (arg, fmt);
-
- switch (id)
- {
- default:
- break;
-
- /* We can be called with
-
- error_handler (-LD_DEFINITION_IN_DISCARDED_SECTION, "", 0);
-
- to make this error non-fatal and
-
- error_handler (-LD_DEFINITION_IN_DISCARDED_SECTION, "", 1);
-
- to make this error fatal. */
- case -LD_DEFINITION_IN_DISCARDED_SECTION:
- case LD_DEFINITION_IN_DISCARDED_SECTION:
- {
- static struct bfd_hash_table *hash;
- static int fatal = 1;
- const char *name;
-
- if (id == -LD_DEFINITION_IN_DISCARDED_SECTION)
- {
- fatal = va_arg (arg, int);
- goto out;
- }
-
- name = va_arg (arg, const char *);
- /* Only warn once about a particular undefined symbol. */
- if (hash == NULL)
- {
- 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)
- goto out;
-
- if (bfd_hash_lookup (hash, name, TRUE, TRUE) == NULL)
- einfo (_("%F%P: bfd_hash_lookup failed: %E\n"));
-
- if (fatal)
- config.make_executable = FALSE;
- }
- break;
- }
- vfinfo (stderr, fmt, arg);
-
-out:
- va_end (arg);
- return TRUE;
-}