-/* Copyright (C) 1991 Free Software Foundation, Inc.
+/* ldmisc.c
+ Copyright (C) 1991, 92, 93, 94, 95, 1996 Free Software Foundation, Inc.
+ Written by Steve Chamberlain of Cygnus Support.
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 1, or (at your option)
+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,
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. */
-
-/*
- * $Id$
- *
- * $Log$
- * Revision 1.1 1991/03/21 21:28:55 gumby
- * Initial revision
- *
- * Revision 1.2 1991/03/15 18:45:55 rich
- * foo
- *
- * Revision 1.1 1991/03/13 00:48:30 chrisb
- * Initial revision
- *
- * Revision 1.7 1991/03/10 09:31:34 rich
- * Modified Files:
- * Makefile config.h ld-emul.c ld-emul.h ld-gld.c ld-gld960.c
- * ld-lnk960.c ld.h lddigest.c ldexp.c ldexp.h ldfile.c ldfile.h
- * ldgram.y ldinfo.h ldlang.c ldlang.h ldlex.h ldlex.l ldmain.c
- * ldmain.h ldmisc.c ldmisc.h ldsym.c ldsym.h ldversion.c
- * ldversion.h ldwarn.h ldwrite.c ldwrite.h y.tab.h
- *
- * As of this round of changes, ld now builds on all hosts of (Intel960)
- * interest and copy passes my copy test on big endian hosts again.
- *
- * Revision 1.6 1991/03/09 03:31:01 sac
- * After a fatal info message, the output file is deleted.
- *
- * Revision 1.5 1991/03/06 21:59:54 sac
- * Made %C print function name if available
- *
- * Revision 1.4 1991/03/06 02:27:45 sac
- * Added support for linenumber printing via %C
- *
- * Revision 1.3 1991/02/22 17:15:03 sac
- * Added RCS keywords and copyrights
- *
- */
-
-/*
- ldmisc.c
-
-*/
+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>
+#define USE_STDARG 1
+#else
#include <varargs.h>
-#include "bfd.h"
+#define USE_STDARG 0
+#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"
-/* IMPORTS */
-
-extern char *program_name;
-extern FILE *ldlex_input_stack;
-extern char *ldfile_input_filename;
-extern ld_config_type config;
-
-void
-yyerror(arg)
-char *arg;
-{
- info("%P%F: %S %s\n",arg);
-}
-
-extern int errno;
-extern int sys_nerr;
-extern char *sys_errlist[];
+#if USE_STDARG
+static void finfo PARAMS ((FILE *, const char *, ...));
+#else
+/* VARARGS*/
+static void finfo ();
+#endif
/*
+ %% 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
+ %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
*/
-void info(va_alist)
-va_dcl
+
+char *
+demangle (string)
+ const char *string;
{
- char *fmt;
- boolean fatal = false;
- va_list arg;
- va_start(arg);
- fmt = va_arg(arg, char *);
- while (*fmt) {
- while (*fmt != '%' && *fmt != '\0') {
- fputc(*fmt, stderr);
- fmt++;
- }
- if (*fmt == '%') {
- fmt ++;
- switch (*fmt++) {
- case 'X':
- config.make_executable = false;
- break;
- case 'V':
- fprintf(stderr,"%08lx", va_arg(arg, bfd_vma));
- break;
- case 'T':
- {
- asymbol *symbol = va_arg(arg, asymbol *);
- if (symbol) {
- asection *section = symbol->section;
- if ((symbol->flags & BSF_UNDEFINED) == 0) {
- char *section_name = section == (asection *)NULL ?
- "absolute" : section->name;
- fprintf(stderr,"%s (%s)", symbol->name, section_name);
- }
- else {
- fprintf(stderr,"%s", symbol->name);
- }
- }
- else {
- fprintf(stderr,"no symbol");
- }
- }
- break;
- case 'B':
- {
- bfd *abfd = va_arg(arg, bfd *);
- if (abfd->my_archive) {
- fprintf(stderr,"%s(%s)", abfd->my_archive->filename,
- abfd->filename);
- }
- else {
- fprintf(stderr,"%s", abfd->filename);
-
- }
- }
- break;
- case 'F':
- fatal = true;
- break;
- case 'P':
- fprintf(stderr,"%s", program_name);
- break;
- case 'E':
- /* Replace with the most recent errno explanation */
+ 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. */
+ if (string[0] == '.')
+ ++string;
- fprintf(stderr, bfd_errmsg(bfd_error));
+ 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;
+{
+ boolean fatal = false;
- break;
- case 'I':
+ while (*fmt != '\0')
+ {
+ while (*fmt != '%' && *fmt != '\0')
{
- lang_input_statement_type *i =
- va_arg(arg,lang_input_statement_type *);
-
- fprintf(stderr,"%s", i->local_sym_name);
- }
- break;
- case 'S':
- /* Print source script file and line number */
-
- if (ldlex_input_stack) {
- extern unsigned int lineno;
- if (ldfile_input_filename == (char *)NULL) {
- fprintf(stderr,"command line");
- }
- else {
- fprintf(stderr,"%s:%u", ldfile_input_filename, lineno + 1);
- }
+ putc (*fmt, fp);
+ fmt++;
}
- else {
- fprintf(stderr,"command line ");
- }
- break;
- case 'C':
+
+ if (*fmt == '%')
{
- char *filename;
- char *functionname;
- 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))
+ fmt ++;
+ switch (*fmt++)
{
- if (filename == (char *)NULL)
- filename = abfd->filename;
- if (functionname != (char *)NULL)
- fprintf(stderr,"%s:%u: (%s)", filename, linenumber, functionname);
- else if (linenumber != 0)
- fprintf(stderr,"%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 'T':
+ /* Symbol name. */
+ {
+ const char *name = va_arg (arg, const char *);
+
+ if (name == (const char *) NULL)
+ fprintf (fp, "no symbol");
else
- fprintf(stderr,"%s", filename);
-
+ {
+ 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, 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 *);
+
+ finfo (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')
+ {
+ finfo (fp, "%B:", abfd);
+ if (filename != NULL
+ && strcmp (filename, bfd_get_filename (abfd)) != 0)
+ fprintf (fp, "%s:", filename);
+ finfo (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. */
+ finfo (fp, "%B: In function `%T':\n",
+ abfd, functionname);
+
+ last_bfd = abfd;
+ if (last_file != NULL)
+ free (last_file);
+ last_file = buystring (filename);
+ if (last_function != NULL)
+ free (last_function);
+ last_function = buystring (functionname);
+ }
+ discard_last = false;
+ if (linenumber != 0)
+ fprintf (fp, "%s:%u", filename, linenumber);
+ else
+ finfo (fp, "%s(%s+0x%v)", filename, section->name,
+ offset);
+ }
+ else if (filename == NULL
+ || strcmp (filename, abfd->filename) == 0)
+ {
+ finfo (fp, "%B(%s+0x%v)", abfd, section->name, offset);
+ if (linenumber != 0)
+ finfo (fp, ":%u", linenumber);
+ }
+ else if (linenumber != 0)
+ finfo (fp, "%B:%s:%u", abfd, filename, linenumber);
+ else
+ finfo (fp, "%B(%s+0x%v):%s", abfd, section->name, offset,
+ filename);
+ }
+ else
+ finfo (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(stderr,"%s", abfd->filename);
- }
}
- break;
-
- case 's':
- fprintf(stderr,"%s", va_arg(arg, char *));
- break;
- case 'd':
- fprintf(stderr,"%d", va_arg(arg, int));
- break;
- default:
- fprintf(stderr,"%s", va_arg(arg, char *));
- break;
- }
}
- }
- if (fatal == true) {
- extern char *output_filename;
- if (output_filename)
- unlink(output_filename);
- exit(1);
- }
- va_end(arg);
+
+ if (fatal == true)
+ xexit(1);
}
+/* Format info message and print on stdout. */
-void
-info_assert(file, line)
-char *file;
-unsigned int line;
+/* (You would think this should be called just "info", but then you
+ would 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. */
+
+void
+#if USE_STDARG
+einfo (const char *fmt, ...)
+#else
+einfo (va_alist)
+ va_dcl
+#endif
{
- info("%F%P internal error %s %d\n", file,line);
+ 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);
}
-/* Return a newly-allocated string
- whose contents concatenate those of S1, S2, S3. */
+void
+info_assert (file, line)
+ const char *file;
+ unsigned int line;
+{
+ einfo ("%F%P: internal error %s %d\n", file, line);
+}
char *
-concat (s1, s2, s3)
- char *s1, *s2, *s3;
+buystring (x)
+ CONST char *CONST x;
{
- size_t len1 = strlen (s1);
- size_t len2 = strlen (s2);
- size_t 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;
+ 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. */
+
+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);
+}
-char *ldmalloc (size)
-size_t size;
+static void
+#if USE_STDARG
+finfo (FILE *file, const char *fmt, ...)
+#else
+finfo (va_alist)
+ va_dcl
+#endif
{
- char * result = malloc (size);
+ va_list arg;
+
+#if ! USE_STDARG
+ FILE *file;
+ const char *fmt;
- if (result == (char *)NULL && size != 0)
- info("%F%P virtual memory exhausted\n");
+ va_start (arg);
+ file = va_arg (arg, FILE *);
+ fmt = va_arg (arg, const char *);
+#else
+ va_start (arg, fmt);
+#endif
- return result;
-}
+ vfinfo (file, fmt, arg);
+ va_end (arg);
+}
+\f
+/* Functions to print the link map. */
+void
+print_space ()
+{
+ fprintf (config.map_file, " ");
+}
+void
+print_nl ()
+{
+ fprintf (config.map_file, "\n");
+}
-char *buystring(x)
-char *x;
+void
+print_address (value)
+ bfd_vma value;
{
- size_t l = strlen(x)+1;
- char *r = ldmalloc(l);
- memcpy(r, x,l);
- return r;
+ fprintf_vma (config.map_file, value);
}