2 Copyright (C) 1991-2016 Free Software Foundation, Inc.
3 Written by Steve Chamberlain of Cygnus Support.
5 This file is part of the GNU Binutils.
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software
19 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
20 MA 02110-1301, USA. */
25 #include "libiberty.h"
26 #include "filenames.h"
42 %A section name from a section
43 %B filename from a bfd
44 %C clever filename:linenumber with function
45 %D like %C, but no function name
46 %E current bfd error or errno
48 %G like %D, but only function name
49 %H like %C but in addition emit section+offset
50 %I filename from a lang_input_statement_type
52 %R info about a relent
53 %S print script file and linenumber from etree_type.
56 %W hex bfd_vma with 0x with no leading zeros taking up 8 spaces
57 %X no object output, fail return
58 %d integer, like printf
60 %lu unsigned long, like printf
61 %p native (host) void* pointer, like printf
62 %s arbitrary string, like printf
63 %u integer, like printf
64 %v hex bfd_vma, no leading zeros
68 vfinfo (FILE *fp, const char *fmt, va_list arg, bfd_boolean is_warning)
70 bfd_boolean fatal = FALSE;
74 const char *str = fmt;
75 while (*fmt != '%' && *fmt != '\0')
78 if (fwrite (str, 1, fmt - str, fp))
94 /* no object output, fail return */
95 config.make_executable = FALSE;
101 bfd_vma value = va_arg (arg, bfd_vma);
102 fprintf_vma (fp, value);
107 /* hex bfd_vma, no leading zeros */
111 bfd_vma value = va_arg (arg, bfd_vma);
112 sprintf_vma (p, value);
122 /* hex bfd_vma with 0x with no leading zeroes taking up
130 value = va_arg (arg, bfd_vma);
131 sprintf_vma (buf, value);
132 for (p = buf; *p == '0'; ++p)
142 fprintf (fp, "0x%s", p);
149 const char *name = va_arg (arg, const char *);
151 if (name == NULL || *name == 0)
153 fprintf (fp, _("no symbol"));
160 demangled = bfd_demangle (link_info.output_bfd, name,
161 DMGL_ANSI | DMGL_PARAMS);
162 if (demangled != NULL)
164 fprintf (fp, "%s", demangled);
169 fprintf (fp, "%s", name);
174 /* section name from a section */
176 asection *sec = va_arg (arg, asection *);
177 bfd *abfd = sec->owner;
178 const char *group = NULL;
179 struct coff_comdat_info *ci;
181 fprintf (fp, "%s", sec->name);
183 && bfd_get_flavour (abfd) == bfd_target_elf_flavour
184 && elf_next_in_group (sec) != NULL
185 && (sec->flags & SEC_GROUP) == 0)
186 group = elf_group_name (sec);
187 else if (abfd != NULL
188 && bfd_get_flavour (abfd) == bfd_target_coff_flavour
189 && (ci = bfd_coff_get_comdat_section (sec->owner,
193 fprintf (fp, "[%s]", group);
198 /* filename from a bfd */
200 bfd *abfd = va_arg (arg, bfd *);
203 fprintf (fp, "%s generated", program_name);
204 else if (abfd->my_archive)
205 fprintf (fp, "%s(%s)", abfd->my_archive->filename,
208 fprintf (fp, "%s", abfd->filename);
213 /* Error is fatal. */
218 /* Print program name. */
219 fprintf (fp, "%s", program_name);
223 /* current bfd error or errno */
224 fprintf (fp, "%s", bfd_errmsg (bfd_get_error ()));
228 /* filename from a lang_input_statement_type */
230 lang_input_statement_type *i;
232 i = va_arg (arg, lang_input_statement_type *);
233 if (bfd_my_archive (i->the_bfd) != NULL)
235 bfd_get_filename (bfd_my_archive (i->the_bfd)));
236 fprintf (fp, "%s", i->local_sym_name);
237 if (bfd_my_archive (i->the_bfd) == NULL
238 && filename_cmp (i->local_sym_name, i->filename) != 0)
239 fprintf (fp, " (%s)", i->filename);
244 /* Print script file and linenumber. */
247 etree_type *tp = va_arg (arg, etree_type *);
252 tp->type.filename = ldlex_filename ();
253 tp->type.lineno = lineno;
255 if (tp->type.filename != NULL)
256 fprintf (fp, "%s:%u", tp->type.filename, tp->type.lineno);
261 /* Print all that's interesting about a relent. */
263 arelent *relent = va_arg (arg, arelent *);
265 lfinfo (fp, "%s+0x%v (type %s)",
266 (*(relent->sym_ptr_ptr))->name,
268 relent->howto->name);
276 /* Clever filename:linenumber with function name if possible.
277 The arguments are a BFD, a section, and an offset. */
279 static bfd *last_bfd;
280 static char *last_file = NULL;
281 static char *last_function = NULL;
285 asymbol **asymbols = NULL;
286 const char *filename;
287 const char *functionname;
288 unsigned int linenumber;
289 bfd_boolean discard_last;
292 abfd = va_arg (arg, bfd *);
293 section = va_arg (arg, asection *);
294 offset = va_arg (arg, bfd_vma);
298 if (!bfd_generic_link_read_symbols (abfd))
299 einfo (_("%B%F: could not read symbols: %E\n"), abfd);
301 asymbols = bfd_get_outsymbols (abfd);
304 /* The GNU Coding Standard requires that error messages
307 source-file-name:lineno: message
309 We do not always have a line number available so if
310 we cannot find them we print out the section name and
314 && bfd_find_nearest_line (abfd, section, asymbols, offset,
315 &filename, &functionname,
318 if (functionname != NULL
319 && (fmt[-1] == 'C' || fmt[-1] == 'H'))
321 /* Detect the case where we are printing out a
322 message for the same function as the last
323 call to vinfo ("%C"). In this situation do
324 not print out the ABFD filename or the
325 function name again. Note - we do still
326 print out the source filename, as this will
327 allow programs that parse the linker's output
328 (eg emacs) to correctly locate multiple
329 errors in the same source file. */
332 || last_function == NULL
335 && filename_cmp (last_file, filename) != 0)
336 || strcmp (last_function, functionname) != 0)
338 lfinfo (fp, _("%B: In function `%T':\n"),
342 if (last_file != NULL)
346 last_file = xstrdup (filename);
347 if (last_function != NULL)
348 free (last_function);
349 last_function = xstrdup (functionname);
351 discard_last = FALSE;
354 lfinfo (fp, "%B:", abfd);
356 if (filename != NULL)
357 fprintf (fp, "%s:", filename);
359 done = fmt[-1] != 'H';
360 if (functionname != NULL && fmt[-1] == 'G')
361 lfinfo (fp, "%T", functionname);
362 else if (filename != NULL && linenumber != 0)
363 fprintf (fp, "%u%s", linenumber, done ? "" : ":");
369 lfinfo (fp, "%B:", abfd);
373 lfinfo (fp, "(%A+0x%v)", section, offset);
378 if (last_file != NULL)
383 if (last_function != NULL)
385 free (last_function);
386 last_function = NULL;
393 /* native (host) void* pointer, like printf */
394 fprintf (fp, "%p", va_arg (arg, void *));
398 /* arbitrary string, like printf */
399 fprintf (fp, "%s", va_arg (arg, char *));
403 /* integer, like printf */
404 fprintf (fp, "%d", va_arg (arg, int));
408 /* unsigned integer, like printf */
409 fprintf (fp, "%u", va_arg (arg, unsigned int));
415 fprintf (fp, "%ld", va_arg (arg, long));
419 else if (*fmt == 'u')
421 fprintf (fp, "%lu", va_arg (arg, unsigned long));
428 fprintf (fp, "%%%c", fmt[-1]);
434 if (is_warning && config.fatal_warnings)
435 config.make_executable = FALSE;
441 /* Format info message and print on stdout. */
443 /* (You would think this should be called just "info", but then you
444 would be hosed by LynxOS, which defines that name in its libc.) */
447 info_msg (const char *fmt, ...)
452 vfinfo (stdout, fmt, arg, FALSE);
456 /* ('e' for error.) Format info message and print on stderr. */
459 einfo (const char *fmt, ...)
465 vfinfo (stderr, fmt, arg, TRUE);
471 info_assert (const char *file, unsigned int line)
473 einfo (_("%F%P: internal error %s %d\n"), file, line);
476 /* ('m' for map) Format info message and print on map. */
479 minfo (const char *fmt, ...)
481 if (config.map_file != NULL)
486 if (fmt[0] == '%' && fmt[1] == '!' && fmt[2] == 0)
488 /* Stash info about --as-needed shared libraries. Print
489 later so they don't appear intermingled with archive
491 struct asneeded_minfo *m = xmalloc (sizeof *m);
494 m->soname = va_arg (arg, const char *);
495 m->ref = va_arg (arg, bfd *);
496 m->name = va_arg (arg, const char *);
497 *asneeded_list_tail = m;
498 asneeded_list_tail = &m->next;
501 vfinfo (config.map_file, fmt, arg, FALSE);
507 lfinfo (FILE *file, const char *fmt, ...)
512 vfinfo (file, fmt, arg, FALSE);
516 /* Functions to print the link map. */
521 fprintf (config.map_file, " ");
527 fprintf (config.map_file, "\n");
530 /* A more or less friendly abort message. In ld.h abort is defined to
531 call this function. */
534 ld_abort (const char *file, int line, const char *fn)
537 einfo (_("%P: internal error: aborting at %s:%d in %s\n"),
540 einfo (_("%P: internal error: aborting at %s:%d\n"),
542 einfo (_("%P%F: please report this bug\n"));