/* ldmisc.c
- Copyright (C) 1991 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. */
-
-/*
-$Id$
-
-
- */
+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>
+#endif
#include "ld.h"
#include "ldmisc.h"
+#include "ldexp.h"
#include "ldlang.h"
+#include "ldgram.h"
#include "ldlex.h"
-/* IMPORTS */
-
-extern char *program_name;
+#include "ldmain.h"
+#include "ldfile.h"
-extern FILE *ldlex_input_stack;
-extern char *ldfile_input_filename;
-extern ld_config_type config;
-
-void
-yyerror(arg)
-char *arg;
-{
- einfo("%P%F: %S %s\n",arg);
-}
-
-extern int errno;
-extern int sys_nerr;
-extern char *sys_errlist[];
+static void vfinfo PARAMS ((FILE *, const char *, va_list));
/*
+ %% literal %
%F error is fatal
- %P print progam name
+ %P print program name
%S print script file and linenumber
%E current bfd error or errno
%I filename from a lang_input_statement_type
%B filename from a bfd
- %T symbol table entry
+ %T symbol name
%X no object output, fail return
%V hex bfd_vma
- %C Clever filename:linenumber
+ %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
*/
+
+char *
+demangle (string)
+ const char *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;
{
- extern char *cplus_demangle();
boolean fatal = false;
- while (*fmt)
- {
- while (*fmt != '%' && *fmt != '\0')
- {
- putc(*fmt, fp);
- fmt++;
- }
- if (*fmt == '%')
+
+ while (*fmt != '\0')
{
- fmt ++;
- switch (*fmt++)
- {
- case 'X':
- config.make_executable = false;
- break;
- case 'V':
- {
- bfd_vma value = va_arg(arg, bfd_vma);
- fprintf_vma(fp, value);
- }
- break;
- case 'T':
- {
- asymbol *symbol = va_arg(arg, asymbol *);
- if (symbol)
+ while (*fmt != '%' && *fmt != '\0')
{
-
-
- asection *section = symbol->section;
- char *cplusname = cplus_demangle(symbol->name, 1);
- CONST char *section_name = section->name;
- if (section != &bfd_und_section)
- {
- fprintf(fp,"%s (%s)", cplusname ? cplusname :
- symbol->name, section_name);
- }
- else
- {
- fprintf(fp,"%s", cplusname ? cplusname : symbol->name);
- }
-
- if (cplusname)
- {
- free(cplusname);
- }
-
+ putc (*fmt, fp);
+ fmt++;
}
- else
+
+ if (*fmt == '%')
{
- fprintf(fp,"no symbol");
- }
- }
- break;
- case 'B':
- {
- 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':
- fatal = true;
- break;
- case 'P':
- fprintf(fp,"%s", program_name);
- break;
- case 'E':
- /* Replace with the most recent errno explanation */
-
-
- fprintf(fp, bfd_errmsg(bfd_error));
-
-
- break;
- case 'I':
- {
- lang_input_statement_type *i =
- va_arg(arg,lang_input_statement_type *);
-
- fprintf(fp,"%s", i->local_sym_name);
- }
- break;
- case 'S':
- /* Print source script file and line number */
-
- {
-
-
- extern unsigned int lineno;
- if (ldfile_input_filename == (char *)NULL) {
- fprintf(fp,"command line");
+ 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);
}
- else {
- fprintf(fp,"%s:%u", ldfile_input_filename, lineno );
+ 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 'R':
- /* Print all that's interesting about a relent */
- {
- arelent *relent = va_arg(arg, arelent *);
-
- fprintf(fp,"%s+0x%x (type %s)",
- (*(relent->sym_ptr_ptr))->name,
- relent->addend,
- relent->howto->name);
-
-
- }
- break;
-
-
-
-
- case 'C':
- {
- CONST char *filename;
- CONST char *functionname;
- char *cplus_name;
-
- unsigned int linenumber;
- bfd *abfd = va_arg(arg, bfd *);
- asection *section = va_arg(arg, asection *);
- asymbol **symbols = va_arg(arg, asymbol **);
- bfd_vma offset = va_arg(arg, bfd_vma);
-
- if (bfd_find_nearest_line(abfd,
- section,
- symbols,
- offset,
- &filename,
- &functionname,
- &linenumber))
- {
- if (filename == (char *)NULL)
- filename = abfd->filename;
- if (functionname != (char *)NULL)
- {
- cplus_name = cplus_demangle(functionname, 1);
- fprintf(fp,"%s:%u: (%s)", filename, linenumber,
- cplus_name? cplus_name: functionname);
- if (cplus_name)
- free(cplus_name);
-
-
- }
-
- else if (linenumber != 0)
- fprintf(fp,"%s:%u", filename, linenumber);
- else
- fprintf(fp,"%s(%s+%0x)", filename,
- section->name,
- offset);
-
+ 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
+ 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 {
- fprintf(fp,"%s(%s+%0x)", abfd->filename,
- section->name,
- offset);
- }
- }
- break;
-
- case 's':
- fprintf(fp,"%s", va_arg(arg, char *));
- break;
- case 'd':
- fprintf(fp,"%d", va_arg(arg, int));
- break;
- default:
- fprintf(fp,"%s", va_arg(arg, char *));
- break;
- }
- }
- }
- if (fatal == true) {
- extern char *output_filename;
- if (output_filename)
- unlink(output_filename);
- exit(1);
}
-}
-/* Format info message and print on stdout. */
+ if (config.fatal_warnings)
+ config.make_executable = false;
-void info(va_alist)
-va_dcl
-{
- char *fmt;
- va_list arg;
- va_start(arg);
- fmt = va_arg(arg, char *);
- vfinfo(stdout, fmt, arg);
- va_end(arg);
+ if (fatal == true)
+ xexit (1);
}
-/* ('e' for error.) Format info message and print on stderr. */
+/* Format info message and print on stdout. */
-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);
-}
+/* (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_assert(file, line)
-char *file;
-unsigned int line;
+void
+info_msg VPARAMS ((const char *fmt, ...))
{
- einfo("%F%P internal error %s %d\n", file,line);
-}
-
-/* Return a newly-allocated string
- whose contents concatenate those of S1, S2, S3. */
+ VA_OPEN (arg, fmt);
+ VA_FIXEDARG (arg, const char *, fmt);
-char *
-DEFUN(concat, (s1, s2, s3),
- CONST char *s1 AND
- CONST char *s2 AND
- CONST char *s3)
-{
- bfd_size_type len1 = strlen (s1);
- bfd_size_type len2 = strlen (s2);
- bfd_size_type len3 = strlen (s3);
- char *result = ldmalloc (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;
+ vfinfo (stdout, fmt, arg);
+ VA_CLOSE (arg);
}
+/* ('e' for error.) Format info message and print on stderr. */
-
-PTR
-DEFUN(ldmalloc, (size),
-bfd_size_type size)
+void
+einfo VPARAMS ((const char *fmt, ...))
{
- PTR result = malloc ((int)size);
+ VA_OPEN (arg, fmt);
+ VA_FIXEDARG (arg, const char *, fmt);
- if (result == (char *)NULL && size != 0)
- einfo("%F%P virtual memory exhausted\n");
+ vfinfo (stderr, fmt, arg);
+ VA_CLOSE (arg);
+}
- return result;
-}
+void
+info_assert (file, line)
+ 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. */
-PTR
-DEFUN(ldrealloc, (ptr, size),
-PTR ptr AND
-bfd_size_type size)
+void
+minfo VPARAMS ((const char *fmt, ...))
{
- PTR result = realloc (ptr, (int)size);
-
- if (result == (char *)NULL && size != 0)
- einfo("%F%P virtual memory exhausted\n");
+ VA_OPEN (arg, fmt);
+ VA_FIXEDARG (arg, const char *, fmt);
- return result;
-}
+ vfinfo (config.map_file, fmt, arg);
+ VA_CLOSE (arg);
+}
+void
+lfinfo VPARAMS ((FILE *file, const char *fmt, ...))
+{
+ VA_OPEN (arg, fmt);
+ VA_FIXEDARG (arg, FILE *, file);
+ VA_FIXEDARG (arg, const char *, fmt);
+ vfinfo (file, fmt, arg);
+ VA_CLOSE (arg);
+}
+\f
+/* Functions to print the link map. */
-char *DEFUN(buystring,(x),
- CONST char *CONST x)
+void
+print_space ()
{
- bfd_size_type l = strlen(x)+1;
- char *r = ldmalloc(l);
- memcpy(r, x,l);
- return r;
+ fprintf (config.map_file, " ");
}
-
-/* ('m' for map) Format info message and print on map. */
-
-void minfo(va_alist)
-va_dcl
+void
+print_nl ()
{
- char *fmt;
- va_list arg;
- va_start(arg);
- fmt = va_arg(arg, char *);
- vfinfo(config.map_file, fmt, arg);
- va_end(arg);
+ fprintf (config.map_file, "\n");
}
+/* A more or less friendly abort message. In ld.h abort is defined to
+ call this function. */
-
-
-
-
-/*----------------------------------------------------------------------
- Functions to print the link map
- */
-
-void
-DEFUN_VOID(print_space)
-{
- fprintf(config.map_file, " ");
-}
-void
-DEFUN_VOID(print_nl)
-{
- fprintf(config.map_file, "\n");
-}
-void
-DEFUN(print_address,(value),
- bfd_vma value)
+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);
}