/* ldmisc.c
- Copyright (C) 1991, 92, 93, 94 Free Software Foundation, Inc.
-
+ 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, 675 Mass Ave, Cambridge, MA 02139, 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 <varargs.h>
-#include <demangle.h>
-
+#include "libiberty.h"
+#include "demangle.h"
+#include <stdarg.h>
#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"
-/* VARARGS*/
-static void finfo ();
-static const char *demangle PARAMS ((const char *string,
- int remove_underscore));
-
/*
%% literal %
%F error is fatal
%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
%d integer, like printf
+ %u integer, like printf
*/
-static const char *
-demangle (string, remove_underscore)
- const char *string;
- int remove_underscore;
-{
- const char *res;
- if (remove_underscore && output_bfd)
- {
- if (bfd_get_symbol_leading_char (output_bfd) == string[0])
- string++;
- }
- /* Note that there's a memory leak here, we keep buying memory
- for demangled names, and never free. But if you have so many
- errors that you run out of VM with the error messages, then
- there's something up */
- res = cplus_demangle (string, DMGL_ANSI|DMGL_PARAMS);
- return res ? res : string;
-}
-
static void
-vfinfo(fp, fmt, arg)
- FILE *fp;
- char *fmt;
- va_list arg;
+vfinfo (FILE *fp, const char *fmt, va_list arg)
{
- boolean fatal = false;
-
- while (*fmt)
- {
- while (*fmt != '%' && *fmt != '\0')
- {
- putc(*fmt, fp);
- fmt++;
- }
+ bfd_boolean fatal = FALSE;
- if (*fmt == '%')
+ while (*fmt != '\0')
{
- fmt ++;
- switch (*fmt++)
- {
- default:
- fprintf(fp,"%%%c", fmt[-1]);
- break;
-
- case '%':
- /* literal % */
- putc('%', fp);
- break;
-
- case 'X':
- /* no object output, fail return */
- config.make_executable = false;
- break;
-
- case 'V':
- /* hex bfd_vma */
+ while (*fmt != '%' && *fmt != '\0')
{
- bfd_vma value = va_arg(arg, bfd_vma);
- fprintf_vma(fp, value);
+ putc (*fmt, fp);
+ fmt++;
}
- break;
- case 'v':
- /* hex bfd_vma, no leading zeros */
+ if (*fmt == '%')
{
- char buf[100];
- char *p = buf;
- bfd_vma value = va_arg (arg, bfd_vma);
- sprintf_vma (p, value);
- while (*p == '0')
- p++;
- if (!*p)
- p--;
- fputs (p, fp);
+ fmt++;
+ switch (*fmt++)
+ {
+ default:
+ fprintf (fp, "%%%c", fmt[-1]);
+ break;
+
+ case '%':
+ /* literal % */
+ putc ('%', fp);
+ break;
+
+ case 'X':
+ /* no object output, fail return */
+ config.make_executable = FALSE;
+ break;
+
+ case 'V':
+ /* hex bfd_vma */
+ {
+ bfd_vma value = va_arg (arg, bfd_vma);
+ fprintf_vma (fp, value);
+ }
+ break;
+
+ case 'v':
+ /* hex bfd_vma, no leading zeros */
+ {
+ char buf[100];
+ char *p = buf;
+ bfd_vma value = va_arg (arg, bfd_vma);
+ sprintf_vma (p, value);
+ while (*p == '0')
+ p++;
+ if (!*p)
+ p--;
+ fputs (p, fp);
+ }
+ break;
+
+ case 'W':
+ /* hex bfd_vma with 0x with no leading zeroes taking up
+ 8 spaces. */
+ {
+ char buf[100];
+ bfd_vma value;
+ char *p;
+ int len;
+
+ value = va_arg (arg, bfd_vma);
+ sprintf_vma (buf, value);
+ for (p = buf; *p == '0'; ++p)
+ ;
+ if (*p == '\0')
+ --p;
+ len = strlen (p);
+ while (len < 8)
+ {
+ putc (' ', fp);
+ ++len;
+ }
+ fprintf (fp, "0x%s", p);
+ }
+ break;
+
+ case 'T':
+ /* Symbol name. */
+ {
+ 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
+ {
+ char *demangled;
+
+ demangled = demangle (name);
+ fprintf (fp, "%s", demangled);
+ free (demangled);
+ }
+ }
+ break;
+
+ case 'B':
+ /* filename from a bfd */
+ {
+ bfd *abfd = va_arg (arg, bfd *);
+ if (abfd->my_archive)
+ fprintf (fp, "%s(%s)", abfd->my_archive->filename,
+ abfd->filename);
+ else
+ fprintf (fp, "%s", abfd->filename);
+ }
+ break;
+
+ case 'F':
+ /* Error is fatal. */
+ fatal = TRUE;
+ break;
+
+ case 'P':
+ /* Print program name. */
+ fprintf (fp, "%s", program_name);
+ break;
+
+ case 'E':
+ /* current bfd error or errno */
+ fprintf (fp, "%s", bfd_errmsg (bfd_get_error ()));
+ break;
+
+ case 'I':
+ /* filename from a lang_input_statement_type */
+ {
+ lang_input_statement_type *i;
+
+ i = va_arg (arg, lang_input_statement_type *);
+ if (bfd_my_archive (i->the_bfd) != NULL)
+ fprintf (fp, "(%s)",
+ 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)
+ 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);
+ break;
+
+ case 'R':
+ /* 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.
+ The arguments are a BFD, a section, and an offset. */
+ {
+ static bfd *last_bfd;
+ static char *last_file = NULL;
+ static char *last_function = NULL;
+ bfd *abfd;
+ asection *section;
+ bfd_vma offset;
+ lang_input_statement_type *entry;
+ asymbol **asymbols;
+ const char *filename;
+ const char *functionname;
+ unsigned int linenumber;
+ bfd_boolean discard_last;
+
+ 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
+ {
+ 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;
+ }
+ }
+
+ 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))
+ {
+ bfd_boolean need_colon = TRUE;
+
+ if (functionname != NULL && fmt[-1] == 'C')
+ {
+ if (last_bfd == NULL
+ || last_file == NULL
+ || last_function == NULL
+ || last_bfd != abfd
+ || (filename != NULL
+ && strcmp (last_file, filename) != 0)
+ || strcmp (last_function, functionname) != 0)
+ {
+ lfinfo (fp, _(": In function `%T':\n"),
+ functionname);
+ need_colon = FALSE;
+
+ last_bfd = abfd;
+ if (last_file != NULL)
+ free (last_file);
+ last_file = NULL;
+ if (filename)
+ last_file = xstrdup (filename);
+ if (last_function != NULL)
+ free (last_function);
+ last_function = xstrdup (functionname);
+ }
+ discard_last = FALSE;
+ }
+
+ if (filename != NULL)
+ {
+ if (need_colon)
+ putc (':', fp);
+ fputs (filename, fp);
+ }
+
+ if (functionname != NULL && fmt[-1] == 'G')
+ lfinfo (fp, ":%T", functionname);
+ else if (filename != NULL && linenumber != 0)
+ fprintf (fp, ":%u", linenumber);
+ }
+
+ if (asymbols != NULL && entry == NULL)
+ free (asymbols);
+
+ if (discard_last)
+ {
+ last_bfd = NULL;
+ if (last_file != NULL)
+ {
+ free (last_file);
+ last_file = NULL;
+ }
+ if (last_function != NULL)
+ {
+ free (last_function);
+ last_function = NULL;
+ }
+ }
+ }
+ break;
+
+ case 's':
+ /* arbitrary string, like printf */
+ fprintf (fp, "%s", va_arg (arg, char *));
+ break;
+
+ case 'd':
+ /* integer, like printf */
+ fprintf (fp, "%d", va_arg (arg, int));
+ break;
+
+ case 'u':
+ /* unsigned integer, like printf */
+ fprintf (fp, "%u", va_arg (arg, unsigned int));
+ break;
+ }
}
- break;
+ }
- case 'T':
- /* Symbol name. */
- {
- const char *name = va_arg (arg, const char *);
+ if (config.fatal_warnings)
+ config.make_executable = FALSE;
- if (name != (const char *) NULL)
- fprintf (fp, "%s", demangle (name, 1));
- else
- fprintf (fp, "no symbol");
- }
- break;
-
- case 'B':
- /* filename from a bfd */
- {
- bfd *abfd = va_arg(arg, bfd *);
- if (abfd->my_archive) {
- fprintf(fp,"%s(%s)", abfd->my_archive->filename,
- abfd->filename);
- }
- else {
- fprintf(fp,"%s", abfd->filename);
- }
- }
- break;
-
- case 'F':
- /* error is fatal */
- fatal = true;
- break;
-
- case 'P':
- /* print program name */
- fprintf(fp,"%s", program_name);
- break;
-
- case 'E':
- /* current bfd error or errno */
- fprintf(fp, bfd_errmsg(bfd_get_error ()));
- break;
-
- case 'I':
- /* filename from a lang_input_statement_type */
- {
- lang_input_statement_type *i =
- va_arg(arg,lang_input_statement_type *);
-
- if (i->the_bfd->my_archive)
- fprintf(fp, "(%s)", i->the_bfd->my_archive->filename);
- fprintf(fp,"%s", i->local_sym_name);
- }
- break;
-
- case 'S':
- /* print script file and linenumber */
- {
- if (ldfile_input_filename) {
- fprintf(fp,"%s:%u", ldfile_input_filename, lineno );
- }
- }
- break;
-
- case 'R':
- /* Print all that's interesting about a relent */
- {
- arelent *relent = va_arg(arg, arelent *);
-
- finfo (fp, "%s+0x%v (type %s)",
- (*(relent->sym_ptr_ptr))->name,
- relent->addend,
- relent->howto->name);
- }
- break;
-
- case 'C':
- case 'D':
- /* 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. */
- {
- bfd *abfd;
- asection *section;
- bfd_vma offset;
- lang_input_statement_type *entry;
- asymbol **asymbols;
- const char *filename;
- const char *functionname;
- unsigned int linenumber;
-
- 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
- {
- long symsize;
- long symbol_count;
-
- symsize = bfd_get_symtab_upper_bound (abfd);
- if (symsize < 0)
- einfo ("%B%F: could not read symbols", abfd);
- asymbols = (asymbol **) xmalloc (symsize);
- symbol_count = bfd_canonicalize_symtab (abfd, asymbols);
- if (symbol_count < 0)
- einfo ("%B%F: could not read symbols", abfd);
- if (entry != (lang_input_statement_type *) NULL)
- {
- entry->asymbols = asymbols;
- entry->symbol_count = symbol_count;
- }
- }
+ if (fatal)
+ xexit (1);
+}
- if (bfd_find_nearest_line (abfd, section, asymbols, offset,
- &filename, &functionname, &linenumber))
- {
- if (filename == (char *) NULL)
- filename = abfd->filename;
-
- if (functionname != NULL && fmt[-1] == 'C')
- {
- fprintf (fp, "%s: In function `%s':\n", filename,
- demangle (functionname, 1));
- fprintf (fp, "%s:%u", filename, linenumber);
- }
- else if (linenumber != 0)
- fprintf (fp, "%s:%u", filename, linenumber);
- else
- finfo (fp, "%s(%s+0x%v)", filename, section->name, offset);
+/* Wrapper around cplus_demangle. Strips leading underscores and
+ other such chars that would otherwise confuse the demangler. */
- }
- else
- finfo (fp, "%s(%s+0x%v)", abfd->filename, section->name, offset);
+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;
}
- break;
-
- case 's':
- /* arbitrary string, like printf */
- fprintf(fp,"%s", va_arg(arg, char *));
- break;
-
- case 'd':
- /* integer, like printf */
- fprintf(fp,"%d", va_arg(arg, int));
- break;
- }
+ return res;
}
- }
-
- if (fatal == true)
- xexit(1);
+ 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.) */
+/* (You would think this should be called just "info", but then you
+ would be hosed by LynxOS, which defines that name in its libc.) */
-void info_msg(va_alist)
- va_dcl
+void
+info_msg (const char *fmt, ...)
{
- char *fmt;
va_list arg;
- va_start(arg);
- fmt = va_arg(arg, char *);
- vfinfo(stdout, fmt, arg);
- va_end(arg);
+
+ va_start (arg, fmt);
+ 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 einfo(va_alist)
- va_dcl
+void
+einfo (const char *fmt, ...)
{
- char *fmt;
va_list arg;
- va_start(arg);
- fmt = va_arg(arg, char *);
- vfinfo(stderr, fmt, arg);
- va_end(arg);
-}
-void
-info_assert(file, line)
- char *file;
- unsigned int line;
-{
- einfo("%F%P: internal error %s %d\n", file,line);
+ va_start (arg, fmt);
+ vfinfo (stderr, fmt, arg);
+ va_end (arg);
}
-char *
-buystring (x)
- CONST char *CONST x;
+void
+info_assert (const char *file, unsigned int line)
{
- size_t l = strlen(x)+1;
- char *r = xmalloc(l);
- memcpy(r, x,l);
- return r;
+ einfo (_("%F%P: internal error %s %d\n"), file, line);
}
+/* ('m' for map) Format info message and print on map. */
-/* ('m' for map) Format info message and print on map. */
-
-void minfo(va_alist)
- va_dcl
+void
+minfo (const char *fmt, ...)
{
- char *fmt;
va_list arg;
- va_start(arg);
- fmt = va_arg(arg, char *);
- vfinfo(config.map_file, fmt, arg);
- va_end(arg);
-}
+ va_start (arg, fmt);
+ vfinfo (config.map_file, fmt, arg);
+ va_end (arg);
+}
-static void
-finfo (va_alist)
- va_dcl
+void
+lfinfo (FILE *file, const char *fmt, ...)
{
- char *fmt;
- FILE *file;
va_list arg;
- va_start (arg);
- file = va_arg (arg, FILE *);
- fmt = va_arg (arg, char *);
+
+ va_start (arg, fmt);
vfinfo (file, fmt, arg);
va_end (arg);
}
+\f
+/* Functions to print the link map. */
+void
+print_space (void)
+{
+ fprintf (config.map_file, " ");
+}
-
-/*----------------------------------------------------------------------
- Functions to print the link map
- */
-
-void
-print_space ()
+void
+print_nl (void)
{
- fprintf(config.map_file, " ");
+ fprintf (config.map_file, "\n");
}
-void
-print_nl ()
+
+/* 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)
{
- fprintf(config.map_file, "\n");
+ 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);
}
-void
-print_address (value)
- bfd_vma value;
+
+bfd_boolean
+error_handler (int id, const char *fmt, ...)
{
- fprintf_vma(config.map_file, value);
+ 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