/* ldmisc.c
- Copyright (C) 1991, 92, 93, 94 Free Software Foundation, Inc.
-
+ Copyright 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
+ 2000, 2002
+ Free Software Foundation, Inc.
Written by Steve Chamberlain of Cygnus Support.
This file is part of GLD, the Gnu Linker.
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. */
+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 "sysdep.h"
+#include "libiberty.h"
+#include "demangle.h"
+
+#ifdef ANSI_PROTOTYPES
+#include <stdarg.h>
+#else
#include <varargs.h>
-#include <demangle.h>
+#endif
#include "ld.h"
#include "ldmisc.h"
#include "ldexp.h"
#include "ldlang.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));
+static void vfinfo PARAMS ((FILE *, const char *, va_list));
/*
%% literal %
%X no object output, fail return
%V hex bfd_vma
%v hex bfd_vma, no leading zeros
- %C Clever filename:linenumber
+ %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)
+char *
+demangle (string)
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;
+ char *res;
+ const char *p;
+
+ if (output_bfd != NULL
+ && bfd_get_symbol_leading_char (output_bfd) == string[0])
+ ++string;
+
+ /* 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. */
+ p = string;
+ while (*p == '.')
+ ++p;
+
+ res = cplus_demangle (p, DMGL_ANSI | DMGL_PARAMS);
+ return res ? res : xstrdup (string);
}
static void
-vfinfo(fp, fmt, arg)
+vfinfo (fp, fmt, arg)
FILE *fp;
- char *fmt;
+ const char *fmt;
va_list arg;
{
boolean fatal = false;
- while (*fmt)
- {
- while (*fmt != '%' && *fmt != '\0')
- {
- putc(*fmt, fp);
- fmt++;
- }
-
- 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 */
- {
- 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 'T':
- /* Symbol name. */
- {
- const char *name = va_arg (arg, const char *);
-
- 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 == (char *)NULL) {
- fprintf(fp,"command line");
- }
- else {
- 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':
- /* 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. */
+ if (*fmt == '%')
{
- 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
+ fmt++;
+ switch (*fmt++)
{
- unsigned int symsize;
- unsigned int symbol_count;
-
- symsize = get_symtab_upper_bound (abfd);
- asymbols = (asymbol **) xmalloc (symsize);
- symbol_count = bfd_canonicalize_symtab (abfd, asymbols);
- if (entry != (lang_input_statement_type *) NULL)
- {
- entry->asymbols = asymbols;
- entry->symbol_count = symbol_count;
- }
- }
-
- if (bfd_find_nearest_line (abfd, section, asymbols, offset,
- &filename, &functionname, &linenumber))
- {
- if (filename == (char *) NULL)
- filename = abfd->filename;
-
- if (functionname != (char *)NULL)
- fprintf (fp, "%s:%u: %s", filename, linenumber,
- demangle (functionname, 1));
- else if (linenumber != 0)
- fprintf (fp, "%s:%u", filename, linenumber);
+ 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 == (const char *) 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
- finfo (fp, "%s(%s+0x%v)", filename, section->name, offset);
-
+ 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,
+ or section name as a last resort. 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;
+ 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 = (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;
+ }
+ }
+
+ 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;
+
+ if (last_bfd == NULL
+ || last_file == NULL
+ || last_function == NULL
+ || last_bfd != abfd
+ || 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);
+
+ last_bfd = abfd;
+ if (last_file != NULL)
+ free (last_file);
+ 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);
+ }
+ 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);
+ }
+ else
+ lfinfo (fp, "%B(%s+0x%v)", abfd, section->name, offset);
+
+ 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;
}
- else
- finfo (fp, "%s(%s+0x%v)", abfd->filename, section->name, offset);
}
- 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;
- }
}
- }
- if (fatal == true)
- xexit(1);
+ if (config.fatal_warnings)
+ config.make_executable = false;
+
+ if (fatal == true)
+ xexit (1);
}
-/* 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 hosed by LynxOS, which defines that name in its libc.) */
-void info_msg(va_alist)
- va_dcl
+void
+info_msg VPARAMS ((const char *fmt, ...))
{
- char *fmt;
- va_list arg;
- va_start(arg);
- fmt = va_arg(arg, char *);
- vfinfo(stdout, fmt, arg);
- va_end(arg);
-}
-
-/* ('e' for error.) Format info message and print on stderr. */
+ VA_OPEN (arg, fmt);
+ VA_FIXEDARG (arg, const char *, fmt);
-void einfo(va_alist)
- va_dcl
-{
- char *fmt;
- va_list arg;
- va_start(arg);
- fmt = va_arg(arg, char *);
- vfinfo(stderr, fmt, arg);
- va_end(arg);
+ vfinfo (stdout, fmt, arg);
+ VA_CLOSE (arg);
}
-/* Warn about a symbol NEWSYM being multiply defined with another symbol OLDSYM.
- MESSAGE1 and MESSAGE2 should look something like:
- "%C: warning: multiple commons of `%s'\n"
- "%C: warning: previous common here\n" */
+/* ('e' for error.) Format info message and print on stderr. */
void
-multiple_warn (message1, newsym, message2, oldsym)
- char *message1;
- asymbol *newsym;
- char *message2;
- asymbol *oldsym;
+einfo VPARAMS ((const char *fmt, ...))
{
- lang_input_statement_type *inp_stat;
- asymbol **stat_symbols;
-
- inp_stat = (lang_input_statement_type *) bfd_asymbol_bfd (newsym)->usrdata;
- stat_symbols = inp_stat ? inp_stat->asymbols : 0;
-
- einfo (message1,
- bfd_asymbol_bfd (newsym), newsym->section, stat_symbols, newsym->value,
- demangle (newsym->name, 1));
+ VA_OPEN (arg, fmt);
+ VA_FIXEDARG (arg, const char *, fmt);
- inp_stat = (lang_input_statement_type *) bfd_asymbol_bfd (oldsym)->usrdata;
- stat_symbols = inp_stat ? inp_stat->asymbols : 0;
-
- einfo (message2,
- bfd_asymbol_bfd (oldsym), oldsym->section, stat_symbols, oldsym->value);
+ vfinfo (stderr, fmt, arg);
+ VA_CLOSE (arg);
}
-void
-info_assert(file, line)
- char *file;
+void
+info_assert (file, line)
+ const char *file;
unsigned int line;
{
- einfo("%F%P: internal error %s %d\n", file,line);
+ einfo (_("%F%P: internal error %s %d\n"), file, line);
}
-/* Return a newly-allocated string
- whose contents concatenate those of S1, S2, S3. */
+/* ('m' for map) Format info message and print on map. */
-char *
-concat (s1, s2, s3)
- CONST char *s1;
- CONST char *s2;
- CONST char *s3;
+void
+minfo VPARAMS ((const char *fmt, ...))
{
- size_t len1 = strlen (s1);
- size_t len2 = strlen (s2);
- size_t len3 = strlen (s3);
- char *result = xmalloc (len1 + len2 + len3 + 1);
-
- if (len1 != 0)
- memcpy(result, s1, len1);
- if (len2 != 0)
- memcpy(result+len1, s2, len2);
- if (len3 != 0)
- memcpy(result+len1+len2, s2, len3);
- *(result + len1 + len2 + len3) = 0;
-
- return result;
-}
+ VA_OPEN (arg, fmt);
+ VA_FIXEDARG (arg, const char *, fmt);
-char *
-buystring (x)
- CONST char *CONST x;
-{
- size_t l = strlen(x)+1;
- char *r = xmalloc(l);
- memcpy(r, x,l);
- return r;
+ vfinfo (config.map_file, fmt, arg);
+ VA_CLOSE (arg);
}
-
-/* ('m' for map) Format info message and print on map. */
-
-void minfo(va_alist)
- va_dcl
+void
+lfinfo VPARAMS ((FILE *file, 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_OPEN (arg, fmt);
+ VA_FIXEDARG (arg, FILE *, file);
+ VA_FIXEDARG (arg, const char *, fmt);
-static void
-finfo (va_alist)
- va_dcl
-{
- char *fmt;
- FILE *file;
- va_list arg;
- va_start (arg);
- file = va_arg (arg, FILE *);
- fmt = va_arg (arg, char *);
vfinfo (file, fmt, arg);
- va_end (arg);
+ VA_CLOSE (arg);
}
+\f
+/* Functions to print the link map. */
-
-
-/*----------------------------------------------------------------------
- Functions to print the link map
- */
-
-void
+void
print_space ()
{
- fprintf(config.map_file, " ");
+ fprintf (config.map_file, " ");
}
-void
+
+void
print_nl ()
{
- fprintf(config.map_file, "\n");
+ fprintf (config.map_file, "\n");
}
-void
-print_address (value)
- bfd_vma value;
+
+/* A more or less friendly abort message. In ld.h abort is defined to
+ call this function. */
+
+void
+ld_abort (file, line, fn)
+ const char *file;
+ int line;
+ const char *fn;
{
- fprintf_vma(config.map_file, value);
+ 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);
}