/* ldmisc.c
- Copyright (C) 1991, 92, 93, 94, 95, 96, 97, 98, 1999
+ Copyright 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
+ 2000, 2002, 2003
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 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 "bfdlink.h"
#include "sysdep.h"
#include "libiberty.h"
#include "demangle.h"
-
-#ifdef ANSI_PROTOTYPES
#include <stdarg.h>
-#define USE_STDARG 1
-#else
-#include <varargs.h>
-#define USE_STDARG 0
-#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));
-
/*
%% literal %
%F error is fatal
%u integer, like printf
*/
-char *
-demangle (string)
- const char *string;
-{
- char *res;
-
- if (output_bfd != NULL
- && bfd_get_symbol_leading_char (output_bfd) == string[0])
- ++string;
-
- /* This is a hack for better error reporting on XCOFF, or the MS PE */
- /* format. Xcoff has a single '.', while the NT PE for PPC has '..'. */
- /* So we remove all of them. */
- while(string[0] == '.')
- ++string;
-
- res = cplus_demangle (string, DMGL_ANSI | DMGL_PARAMS);
- return res ? res : xstrdup (string);
-}
-
static void
-vfinfo (fp, fmt, arg)
- FILE *fp;
- const char *fmt;
- va_list arg;
+vfinfo (FILE *fp, const char *fmt, va_list arg)
{
- boolean fatal = false;
+ bfd_boolean fatal = FALSE;
while (*fmt != '\0')
{
- while (*fmt != '%' && *fmt != '\0')
+ while (*fmt != '%' && *fmt != '\0')
{
putc (*fmt, fp);
fmt++;
}
- if (*fmt == '%')
+ if (*fmt == '%')
{
- fmt ++;
- switch (*fmt++)
+ fmt++;
+ switch (*fmt++)
{
default:
- fprintf (fp,"%%%c", fmt[-1]);
+ fprintf (fp, "%%%c", fmt[-1]);
break;
case '%':
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)
+ if (name == NULL || *name == 0)
fprintf (fp, _("no symbol"));
else if (! demangling)
fprintf (fp, "%s", name);
case 'B':
/* filename from a bfd */
- {
+ {
bfd *abfd = va_arg (arg, bfd *);
if (abfd->my_archive)
fprintf (fp, "%s(%s)", abfd->my_archive->filename,
break;
case 'F':
- /* error is fatal */
- fatal = true;
+ /* Error is fatal. */
+ fatal = TRUE;
break;
case 'P':
- /* print program name */
+ /* Print program name. */
fprintf (fp, "%s", program_name);
break;
case 'E':
/* current bfd error or errno */
- fprintf (fp, bfd_errmsg (bfd_get_error ()));
+ fprintf (fp, "%s", bfd_errmsg (bfd_get_error ()));
break;
case 'I':
break;
case 'S':
- /* print script file and linenumber */
+ /* Print script file and linenumber. */
if (parsing_defsym)
fprintf (fp, "--defsym %s", lex_string);
else if (ldfile_input_filename != NULL)
break;
case 'R':
- /* Print all that's interesting about a relent */
+ /* Print all that's interesting about a relent. */
{
arelent *relent = va_arg (arg, arelent *);
-
+
lfinfo (fp, "%s+0x%v (type %s)",
(*(relent->sym_ptr_ptr))->name,
relent->addend,
relent->howto->name);
}
break;
-
+
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. */
+ /* 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;
const char *filename;
const char *functionname;
unsigned int linenumber;
- boolean discard_last;
+ bfd_boolean discard_last;
abfd = va_arg (arg, bfd *);
section = va_arg (arg, asection *);
symsize = bfd_get_symtab_upper_bound (abfd);
if (symsize < 0)
einfo (_("%B%F: could not read symbols\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\n"), abfd);
}
}
- discard_last = true;
+ lfinfo (fp, "%B(%s+0x%v)", abfd, section->name, offset);
+
+ discard_last = TRUE;
if (bfd_find_nearest_line (abfd, section, asymbols, offset,
&filename, &functionname,
&linenumber))
{
- if (functionname != NULL && fmt[-1] == 'G')
- {
- 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;
+ bfd_boolean need_colon = TRUE;
+ if (functionname != NULL && fmt[-1] == 'C')
+ {
if (last_bfd == NULL
|| last_file == NULL
|| last_function == NULL
|| last_bfd != abfd
- || strcmp (last_file, filename) != 0
+ || (filename != NULL
+ && strcmp (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);
+ lfinfo (fp, _(": In function `%T':\n"),
+ functionname);
+ need_colon = FALSE;
last_bfd = abfd;
if (last_file != NULL)
free (last_file);
- last_file = buystring (filename);
+ last_file = NULL;
+ if (filename)
+ last_file = xstrdup (filename);
if (last_function != NULL)
free (last_function);
- last_function = buystring (functionname);
+ 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)
+
+ if (filename != NULL)
{
- lfinfo (fp, "%B(%s+0x%v)", abfd, section->name,
- offset);
- if (linenumber != 0)
- lfinfo (fp, ":%u", linenumber);
+ if (need_colon)
+ putc (':', fp);
+ fputs (filename, fp);
}
- 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);
+
+ if (functionname != NULL && fmt[-1] == 'G')
+ lfinfo (fp, ":%T", functionname);
+ else if (filename != NULL && linenumber != 0)
+ fprintf (fp, ":%u", linenumber);
}
- else
- lfinfo (fp, "%B(%s+0x%v)", abfd, section->name, offset);
+
+ if (asymbols != NULL && entry == NULL)
+ free (asymbols);
if (discard_last)
{
}
}
break;
-
+
case 's':
/* arbitrary string, like printf */
fprintf (fp, "%s", va_arg (arg, char *));
}
}
- if (fatal == true)
- xexit(1);
+ if (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. */
+/* 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
-#if USE_STDARG
info_msg (const char *fmt, ...)
-#else
-info_msg (va_alist)
- va_dcl
-#endif
{
va_list arg;
-#if ! USE_STDARG
- const char *fmt;
-
- va_start (arg);
- fmt = va_arg (arg, const char *);
-#else
va_start (arg, fmt);
-#endif
-
vfinfo (stdout, fmt, arg);
va_end (arg);
}
-/* ('e' for error.) Format info message and print on stderr. */
+/* ('e' for error.) Format info message and print on stderr. */
void
-#if USE_STDARG
einfo (const char *fmt, ...)
-#else
-einfo (va_alist)
- va_dcl
-#endif
{
va_list arg;
-#if ! USE_STDARG
- const char *fmt;
-
- va_start (arg);
- fmt = va_arg (arg, const char *);
-#else
va_start (arg, fmt);
-#endif
-
vfinfo (stderr, fmt, arg);
va_end (arg);
}
-void
-info_assert (file, line)
- const char *file;
- unsigned int line;
+void
+info_assert (const char *file, unsigned int line)
{
einfo (_("%F%P: internal error %s %d\n"), file, line);
}
-char *
-buystring (x)
- CONST char *CONST x;
-{
- size_t l = strlen(x)+1;
- char *r = xmalloc(l);
- memcpy(r, x,l);
- return r;
-}
-
-/* ('m' for map) Format info message and print on map. */
+/* ('m' for map) Format info message and print on map. */
void
-#if USE_STDARG
minfo (const char *fmt, ...)
-#else
-minfo (va_alist)
- va_dcl
-#endif
{
va_list arg;
-#if ! USE_STDARG
- const char *fmt;
- va_start (arg);
- fmt = va_arg (arg, const char *);
-#else
va_start (arg, fmt);
-#endif
-
vfinfo (config.map_file, fmt, arg);
va_end (arg);
}
void
-#if USE_STDARG
lfinfo (FILE *file, const char *fmt, ...)
-#else
-lfinfo (va_alist)
- va_dcl
-#endif
{
va_list arg;
-#if ! USE_STDARG
- FILE *file;
- const char *fmt;
-
- va_start (arg);
- file = va_arg (arg, FILE *);
- fmt = va_arg (arg, const char *);
-#else
va_start (arg, fmt);
-#endif
-
vfinfo (file, fmt, arg);
va_end (arg);
}
\f
/* Functions to print the link map. */
-void
-print_space ()
+void
+print_space (void)
{
fprintf (config.map_file, " ");
}
-void
-print_nl ()
+void
+print_nl (void)
{
fprintf (config.map_file, "\n");
}
+
+/* A more or less friendly abort message. In ld.h abort is defined to
+ call this function. */
+
+void
+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"),
+ file, line, fn);
+ else
+ einfo (_("%P: internal error: aborting at %s line %d\n"),
+ file, line);
+ 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;
+}
projects / external / binutils.git / blobdiff