Add support for OpenRISC 32-bit embedded processor

[deliverable/binutils-gdb.git] / ld / ldmisc.c

diff --git a/ld/ldmisc.c b/ld/ldmisc.c
index f7fc9e97191d65cccd7712128e6182792f465aab..42adceeac3eecfa5eafae5f3ddaf18e90a7a4507 100644 (file)
--- a/ld/ldmisc.c
+++ b/ld/ldmisc.c
@@ -1,10 +1,14 @@
-/* Copyright (C) 1991 Free Software Foundation, Inc.
+/* ldmisc.c
+   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.
 
 GLD is free software; you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
 
 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,
 any later version.
 
 GLD is distributed in the hope that it will be useful,


@@ -13,267 +17,483 @@ 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
 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.  */
-
-/*
- * $Id$ 
- */
-
-/*
-  ldmisc.c
-
-*/
+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 "sysdep.h"

+#include "libiberty.h"
+#include "demangle.h"
+
+#ifdef ANSI_PROTOTYPES
+#include <stdarg.h>
+#else

 #include <varargs.h>
 #include <varargs.h>

-#include "bfd.h"
+#endif

 
 #include "ld.h"
 #include "ldmisc.h"
 
 #include "ld.h"
 #include "ldmisc.h"

+#include "ldexp.h"

 #include "ldlang.h"
 #include "ldlang.h"

+#include "ldgram.h"

 #include "ldlex.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;
-{ 
-  info("%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
  %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
  %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
  %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

 */
 */

-void info(va_alist)
-va_dcl
-{
-  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 */
-

 
 

-       fprintf(stderr, bfd_errmsg(bfd_error));
+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)
+     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 );
-         }
-       }
-       else {
-         int ch;
-         int n = 0;
-         fprintf(stderr,"command (just before \"");
-         ch = lex_input();
-         while (ch != 0 && n < 10) {
-           fprintf(stderr, "%c", ch);
-           ch = lex_input();
-           n++;
-         }
-         fprintf(stderr,"\")");
-           
+         putc (*fmt, fp);
+         fmt++;

        }
        }

-       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 '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
                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, "%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(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 (config.fatal_warnings)
+    config.make_executable = false;
+
+  if (fatal == true)
+    xexit (1);

 }
 
 }
 

+/* 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.)  */

 
 

-void 
-info_assert(file, line)
-char *file;
-unsigned int line;
+void
+info_msg VPARAMS ((const char *fmt, ...))

 {
 {

-  info("%F%P internal error %s %d\n", file,line);
+  VA_OPEN (arg, fmt);
+  VA_FIXEDARG (arg, const char *, fmt);
+
+  vfinfo (stdout, fmt, arg);
+  VA_CLOSE (arg);

 }
 
 }
 

-/* Return a newly-allocated string
-   whose contents concatenate those of S1, S2, S3.  */
+/* ('e' for error.) Format info message and print on stderr.  */

 
 

-char *
-concat (s1, s2, s3)
-     char *s1, *s2, *s3;
+void
+einfo VPARAMS ((const char *fmt, ...))
+{
+  VA_OPEN (arg, fmt);
+  VA_FIXEDARG (arg, const char *, fmt);
+
+  vfinfo (stderr, fmt, arg);
+  VA_CLOSE (arg);
+}
+
+void
+info_assert (file, line)
+     const char *file;
+     unsigned int line;

 {
 {

-  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;
+  einfo (_("%F%P: internal error %s %d\n"), file, line);

 }
 
 }
 

+/* ('m' for map) Format info message and print on map.  */
+
+void
+minfo VPARAMS ((const char *fmt, ...))
+{
+  VA_OPEN (arg, fmt);
+  VA_FIXEDARG (arg, const char *, fmt);

 
 

+  vfinfo (config.map_file, fmt, arg);
+  VA_CLOSE (arg);
+}

 
 

-char  *ldmalloc (size)
-size_t size;
+void
+lfinfo VPARAMS ((FILE *file, const char *fmt, ...))

 {
 {

-  char * result =  malloc (size);
+  VA_OPEN (arg, fmt);
+  VA_FIXEDARG (arg, FILE *, file);
+  VA_FIXEDARG (arg, const char *, fmt);

 
 

-  if (result == (char *)NULL && size != 0)
-    info("%F%P virtual memory exhausted\n");
+  vfinfo (file, fmt, arg);
+  VA_CLOSE (arg);
+}
+\f
+/* Functions to print the link map.  */

 
 

-  return result;
-} 
+void
+print_space ()
+{
+  fprintf (config.map_file, " ");
+}

 
 

+void
+print_nl ()
+{
+  fprintf (config.map_file, "\n");
+}

 
 

+/* A more or less friendly abort message.  In ld.h abort is defined to
+   call this function.  */

 
 

-char *DEFUN(buystring,(x),
-           CONST char *CONST x)
+void
+ld_abort (file, line, fn)
+     const char *file;
+     int line;
+     const char *fn;

 {
 {

-  size_t  l = strlen(x)+1;
-  char *r = ldmalloc(l);
-  memcpy(r, x,l);
-  return r;
+  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);

 }
 }