/* ldmisc.c
- Copyright 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
- 2000, 2002
- Free Software Foundation, Inc.
+ Copyright (C) 1991-2014 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
-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.
+ 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 3 of the License, 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.
+ 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. */
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
+ MA 02110-1301, USA. */
-#include "bfd.h"
#include "sysdep.h"
+#include "bfd.h"
+#include "bfdlink.h"
#include "libiberty.h"
+#include "filenames.h"
#include "demangle.h"
-
-#ifdef ANSI_PROTOTYPES
#include <stdarg.h>
-#else
-#include <varargs.h>
-#endif
-
#include "ld.h"
#include "ldmisc.h"
#include "ldexp.h"
#include "ldlang.h"
-#include "ldgram.h"
+#include <ldgram.h>
#include "ldlex.h"
#include "ldmain.h"
#include "ldfile.h"
-
-static void vfinfo PARAMS ((FILE *, const char *, va_list));
+#include "elf-bfd.h"
/*
%% literal %
- %F error is fatal
- %P print program name
- %S print script file and linenumber
- %E current bfd error or errno
- %I filename from a lang_input_statement_type
+ %A section name from a section
%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
+ %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 arbitrary string, like printf
+ %S print script file and linenumber from etree_type.
+ %T symbol name
+ %V hex bfd_vma
+ %W hex bfd_vma with 0x with no leading zeros taking up 8 spaces
+ %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 (fp, fmt, arg)
- FILE *fp;
- const char *fmt;
- va_list arg;
+void
+vfinfo (FILE *fp, const char *fmt, va_list arg, bfd_boolean is_warning)
{
- boolean fatal = false;
+ bfd_boolean fatal = FALSE;
while (*fmt != '\0')
{
+ const char *str = fmt;
while (*fmt != '%' && *fmt != '\0')
- {
- putc (*fmt, fp);
- fmt++;
- }
+ fmt++;
+ if (fmt != str)
+ if (fwrite (str, 1, fmt - str, fp))
+ {
+ /* Ignore. */
+ }
if (*fmt == '%')
{
fmt++;
switch (*fmt++)
{
- default:
- fprintf (fp, "%%%c", fmt[-1]);
- break;
-
case '%':
/* literal % */
putc ('%', fp);
case 'X':
/* no object output, fail return */
- config.make_executable = false;
+ config.make_executable = FALSE;
break;
case 'V':
case 'W':
/* hex bfd_vma with 0x with no leading zeroes taking up
- 8 spaces. */
+ 8 spaces. */
{
char buf[100];
bfd_vma value;
{
const char *name = va_arg (arg, const char *);
- if (name == (const char *) NULL || *name == 0)
- fprintf (fp, _("no symbol"));
- else if (! demangling)
- fprintf (fp, "%s", name);
- else
+ if (name == NULL || *name == 0)
+ {
+ 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
case 'F':
/* Error is fatal. */
- fatal = true;
+ fatal = TRUE;
break;
case 'P':
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 'S':
/* Print script file and linenumber. */
- if (parsing_defsym)
- fprintf (fp, "--defsym %s", lex_string);
- else if (ldfile_input_filename != NULL)
- fprintf (fp, "%s:%u", ldfile_input_filename, lineno);
- else
- fprintf (fp, _("built in linker script:%u"), lineno);
+ {
+ etree_type node;
+ etree_type *tp = va_arg (arg, etree_type *);
+
+ if (tp == NULL)
+ {
+ tp = &node;
+ tp->type.filename = ldlex_filename ();
+ tp->type.lineno = lineno;
+ }
+ if (tp->type.filename != NULL)
+ fprintf (fp, "%s:%u", tp->type.filename, tp->type.lineno);
+ }
break;
case 'R':
case 'C':
case 'D':
case 'G':
- /* Clever filename:linenumber with function name if possible,
- or section name as a last resort. The arguments are a BFD,
- a section, and an offset. */
+ case 'H':
+ /* Clever filename:linenumber with function name if possible.
+ The arguments are a BFD, a section, and an offset. */
{
static bfd *last_bfd;
static char *last_file = NULL;
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;
- boolean discard_last;
+ 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 = (asymbol **) 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);
}
- discard_last = true;
- if (bfd_find_nearest_line (abfd, section, asymbols, offset,
- &filename, &functionname,
- &linenumber))
+ /* 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 (abfd != NULL
+ && bfd_find_nearest_line (abfd, section, asymbols, offset,
+ &filename, &functionname,
+ &linenumber))
{
- if (functionname != NULL && fmt[-1] == 'G')
+ if (functionname != NULL
+ && (fmt[-1] == 'C' || fmt[-1] == 'H'))
{
- lfinfo (fp, "%B:", abfd);
- if (filename != NULL
- && strcmp (filename, bfd_get_filename (abfd)) != 0)
- fprintf (fp, "%s:", filename);
- lfinfo (fp, "%T", functionname);
- }
- else if (functionname != NULL && fmt[-1] == 'C')
- {
- if (filename == (char *) NULL)
- filename = abfd->filename;
-
+ /* 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
- || strcmp (last_file, filename) != 0
+ || (filename != NULL
+ && filename_cmp (last_file, filename) != 0)
|| strcmp (last_function, functionname) != 0)
{
- /* We use abfd->filename in this initial line,
- in case filename is a .h file or something
- similarly unhelpful. */
lfinfo (fp, _("%B: In function `%T':\n"),
abfd, functionname);
last_bfd = abfd;
if (last_file != NULL)
free (last_file);
- last_file = xstrdup (filename);
+ last_file = NULL;
+ if (filename)
+ last_file = xstrdup (filename);
if (last_function != NULL)
free (last_function);
last_function = xstrdup (functionname);
}
- discard_last = false;
- if (linenumber != 0)
- fprintf (fp, "%s:%u", filename, linenumber);
- else
- lfinfo (fp, "%s(%s+0x%v)", filename, section->name,
- offset);
+ discard_last = FALSE;
}
- else if (filename == NULL
- || strcmp (filename, abfd->filename) == 0)
- {
- lfinfo (fp, "%B(%s+0x%v)", abfd, section->name,
- offset);
- if (linenumber != 0)
- lfinfo (fp, ":%u", linenumber);
- }
- else if (linenumber != 0)
- lfinfo (fp, "%B:%s:%u", abfd, filename, linenumber);
else
- lfinfo (fp, "%B(%s+0x%v):%s", abfd, section->name,
- offset, filename);
+ lfinfo (fp, "%B:", abfd);
+
+ if (filename != NULL)
+ fprintf (fp, "%s:", filename);
+
+ done = fmt[-1] != 'H';
+ if (functionname != NULL && fmt[-1] == 'G')
+ lfinfo (fp, "%T", functionname);
+ else if (filename != NULL && linenumber != 0)
+ fprintf (fp, "%u%s", linenumber, done ? "" : ":");
+ else
+ done = FALSE;
}
else
- lfinfo (fp, "%B(%s+0x%v)", abfd, section->name, offset);
+ {
+ 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)
- config.make_executable = false;
+ if (is_warning && config.fatal_warnings)
+ config.make_executable = FALSE;
- if (fatal == true)
+ if (fatal)
xexit (1);
}
-/* Wrapper around cplus_demangle. Strips leading underscores and
- other such chars that would otherwise confuse the demangler. */
-
-char *
-demangle (name)
- 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
- would hosed by LynxOS, which defines that name in its libc.) */
+ would be hosed by LynxOS, which defines that name in its libc.) */
void
-info_msg VPARAMS ((const char *fmt, ...))
+info_msg (const char *fmt, ...)
{
- VA_OPEN (arg, fmt);
- VA_FIXEDARG (arg, const char *, fmt);
+ va_list arg;
- vfinfo (stdout, fmt, arg);
- VA_CLOSE (arg);
+ va_start (arg, fmt);
+ vfinfo (stdout, fmt, arg, FALSE);
+ va_end (arg);
}
/* ('e' for error.) Format info message and print on stderr. */
void
-einfo VPARAMS ((const char *fmt, ...))
+einfo (const char *fmt, ...)
{
- VA_OPEN (arg, fmt);
- VA_FIXEDARG (arg, const char *, fmt);
+ va_list arg;
- vfinfo (stderr, fmt, arg);
- VA_CLOSE (arg);
+ fflush (stdout);
+ va_start (arg, fmt);
+ vfinfo (stderr, fmt, arg, TRUE);
+ va_end (arg);
+ fflush (stderr);
}
void
-info_assert (file, line)
- const char *file;
- unsigned int line;
+info_assert (const char *file, unsigned int line)
{
einfo (_("%F%P: internal error %s %d\n"), file, line);
}
/* ('m' for map) Format info message and print on map. */
void
-minfo VPARAMS ((const char *fmt, ...))
+minfo (const char *fmt, ...)
{
- VA_OPEN (arg, fmt);
- VA_FIXEDARG (arg, const char *, fmt);
+ if (config.map_file != NULL)
+ {
+ va_list arg;
- vfinfo (config.map_file, fmt, arg);
- VA_CLOSE (arg);
+ va_start (arg, fmt);
+ if (fmt[0] == '%' && fmt[1] == '!' && fmt[2] == 0)
+ {
+ /* Stash info about --as-needed shared libraries. Print
+ later so they don't appear intermingled with archive
+ library info. */
+ struct asneeded_minfo *m = xmalloc (sizeof *m);
+
+ m->next = NULL;
+ m->soname = va_arg (arg, const char *);
+ m->ref = va_arg (arg, bfd *);
+ m->name = va_arg (arg, const char *);
+ *asneeded_list_tail = m;
+ asneeded_list_tail = &m->next;
+ }
+ else
+ vfinfo (config.map_file, fmt, arg, FALSE);
+ va_end (arg);
+ }
}
void
-lfinfo VPARAMS ((FILE *file, const char *fmt, ...))
+lfinfo (FILE *file, const char *fmt, ...)
{
- VA_OPEN (arg, fmt);
- VA_FIXEDARG (arg, FILE *, file);
- VA_FIXEDARG (arg, const char *, fmt);
+ va_list arg;
- vfinfo (file, fmt, arg);
- VA_CLOSE (arg);
+ va_start (arg, fmt);
+ vfinfo (file, fmt, arg, FALSE);
+ va_end (arg);
}
\f
/* Functions to print the link map. */
void
-print_space ()
+print_space (void)
{
fprintf (config.map_file, " ");
}
void
-print_nl ()
+print_nl (void)
{
fprintf (config.map_file, "\n");
}
call this function. */
void
-ld_abort (file, line, fn)
- const char *file;
- int line;
- const char *fn;
+ld_abort (const char *file, int line, const char *fn)
{
if (fn != NULL)
einfo (_("%P: internal error: aborting at %s line %d in %s\n"),
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