Add support for WinCE based toolchains.

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

diff --git a/ld/ldfile.c b/ld/ldfile.c
index f084d36a837df34f1ab3a625192cff164692d7b2..187770e892b73f8aad80d86db6fe5ccbd81634f5 100644 (file)
--- a/ld/ldfile.c
+++ b/ld/ldfile.c
@@ -1,10 +1,10 @@
-/* Copyright (C) 1991, 92, 93, 94 Free Software Foundation, Inc.
+/* Copyright (C) 1991, 92, 93, 94, 95, 98, 99, 2000 Free Software Foundation, Inc.

 
 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,


@@ -13,8 +13,9 @@ 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.  */
+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.  */

 
 /*
  ldfile.c
 
 /*
  ldfile.c


@@ -25,6 +26,7 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
 
 #include "bfd.h"
 #include "sysdep.h"
 
 #include "bfd.h"
 #include "sysdep.h"

+#include "bfdlink.h"

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


@@ -33,29 +35,31 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
 #include "ldmain.h"
 #include "ldgram.h"
 #include "ldlex.h"
 #include "ldmain.h"
 #include "ldgram.h"
 #include "ldlex.h"

+#include "ldemul.h"

 
 #include <ctype.h>
 
 
 #include <ctype.h>
 

-char *ldfile_input_filename;
+const char *ldfile_input_filename;
+boolean ldfile_assumed_script = false;

 const char *ldfile_output_machine_name = "";
 unsigned long ldfile_output_machine;
 enum bfd_architecture ldfile_output_architecture;
 search_dirs_type *search_head;
 
 const char *ldfile_output_machine_name = "";
 unsigned long ldfile_output_machine;
 enum bfd_architecture ldfile_output_architecture;
 search_dirs_type *search_head;
 

-/* start-sanitize-mpw */

 #ifndef MPW
 #ifndef MPW

-/* end-sanitize-mpw */

 #ifdef VMS
 char *slash = "";
 #else
 #ifdef VMS
 char *slash = "";
 #else

+#if defined (_WIN32) && ! defined (__CYGWIN32__)
+char *slash = "\\";
+#else

 char *slash = "/";
 #endif
 char *slash = "/";
 #endif

-/* start-sanitize-mpw */
+#endif

 #else /* MPW */
 /* The MPW path char is a colon. */
 char *slash = ":";
 #endif /* MPW */
 #else /* MPW */
 /* The MPW path char is a colon. */
 char *slash = ":";
 #endif /* MPW */

-/* end-sanitize-mpw */

 
 /* LOCAL */
 
 
 /* LOCAL */
 


@@ -70,11 +74,7 @@ typedef struct search_arch
 static search_arch_type *search_arch_head;
 static search_arch_type **search_arch_tail_ptr = &search_arch_head;
  
 static search_arch_type *search_arch_head;
 static search_arch_type **search_arch_tail_ptr = &search_arch_head;
  

-static bfd *cached_bfd_openr PARAMS ((const char *attempt,
-                                     lang_input_statement_type *entry));
-static bfd *open_a PARAMS ((char *arch, lang_input_statement_type *entry,
-                           char *lib, char *suffix));
-static FILE *try_open PARAMS ((char *name, char *exten));
+static FILE *try_open PARAMS ((const char *name, const char *exten));

 
 void
 ldfile_add_library_path (name, cmdline)
 
 void
 ldfile_add_library_path (name, cmdline)


@@ -91,85 +91,144 @@ ldfile_add_library_path (name, cmdline)
   search_tail_ptr = &new->next;
 }
 
   search_tail_ptr = &new->next;
 }
 

+/* Try to open a BFD for a lang_input_statement.  */

 
 

-static bfd *
-cached_bfd_openr(attempt,entry)
+boolean
+ldfile_try_open_bfd (attempt, entry)

      const char *attempt;
      const char *attempt;

-     lang_input_statement_type  *entry;
+     lang_input_statement_type *entry;

 {
 {

-  entry->the_bfd = bfd_openr(attempt, entry->target);
-  if (trace_file_tries == true ) {
-    info_msg ("attempt to open %s %s\n", attempt,
-               (entry->the_bfd == (bfd *)NULL) ? "failed" : "succeeded" );
-  }
-  return entry->the_bfd;
+  entry->the_bfd = bfd_openr (attempt, entry->target);
+
+  if (trace_file_tries)
+    {
+      if (entry->the_bfd == NULL)
+       info_msg (_("attempt to open %s failed\n"), attempt);
+      else
+       info_msg (_("attempt to open %s succeeded\n"), attempt);
+    }
+
+  if (entry->the_bfd == NULL)
+    {
+      if (bfd_get_error () == bfd_error_invalid_target)
+       einfo (_("%F%P: invalid BFD target `%s'\n"), entry->target);
+      return false;
+    }
+
+  /* If we are searching for this file, see if the architecture is
+     compatible with the output file.  If it isn't, keep searching.
+     If we can't open the file as an object file, stop the search
+     here.  */
+
+  if (entry->search_dirs_flag)
+    {
+      bfd *check;
+
+      if (bfd_check_format (entry->the_bfd, bfd_archive))
+       check = bfd_openr_next_archived_file (entry->the_bfd, NULL);
+      else
+       check = entry->the_bfd;
+
+      if (! bfd_check_format (check, bfd_object))
+       return true;
+      if (bfd_arch_get_compatible (check, output_bfd) == NULL)
+       {
+         einfo (_("%P: skipping incompatible %s when searching for %s"),
+                attempt, entry->local_sym_name);
+         bfd_close (entry->the_bfd);
+         entry->the_bfd = NULL;
+         return false;
+       }
+    }
+
+  return true;

 }
 
 }
 

-static bfd *
-open_a(arch, entry, lib, suffix)
-     char *arch;
+/* Search for and open the file specified by ENTRY.  If it is an
+   archive, use ARCH, LIB and SUFFIX to modify the file name.  */
+
+boolean
+ldfile_open_file_search (arch, entry, lib, suffix)
+     const char *arch;

      lang_input_statement_type *entry;
      lang_input_statement_type *entry;

-     char *lib;
-     char *suffix;
+     const char *lib;
+     const char *suffix;

 {
 {

-  bfd*desc;
-  search_dirs_type *search ;
+  search_dirs_type *search;

 
   /* If this is not an archive, try to open it in the current
      directory first.  */
   if (! entry->is_archive)
     {
 
   /* If this is not an archive, try to open it in the current
      directory first.  */
   if (! entry->is_archive)
     {

-      desc = cached_bfd_openr (entry->filename, entry);
-      if (desc != NULL)
-       return desc;
+      if (ldfile_try_open_bfd (entry->filename, entry))
+       return true;

     }
 
   for (search = search_head;
        search != (search_dirs_type *)NULL;
        search = search->next) 
     {
     }
 
   for (search = search_head;
        search != (search_dirs_type *)NULL;
        search = search->next) 
     {

-      char buffer[1000];

       char *string;
       char *string;

-      if (entry->is_archive == true) {
-       sprintf(buffer,
-               "%s%s%s%s%s%s",
-               search->name,
-               slash,
-               lib,
-               entry->filename, arch, suffix);
-      }
-      else {
-       if (entry->filename[0] == '/' || entry->filename[0] == '.') {
-         strcpy(buffer, entry->filename);
-       } else {
-         sprintf(buffer,"%s%s%s",search->name, slash, entry->filename);
-       } 
-      }
-      string = buystring(buffer);      
-      desc = cached_bfd_openr (string, entry);
-      if (desc)
+
+      if (entry->dynamic && ! link_info.relocateable)
+       {
+         if (ldemul_open_dynamic_archive (arch, search, entry))
+           return true;
+       }
+
+      string = (char *) xmalloc (strlen (search->name)
+                                + strlen (slash)
+                                + strlen (lib)
+                                + strlen (entry->filename)
+                                + strlen (arch)
+                                + strlen (suffix)
+                                + 1);
+
+      if (entry->is_archive)
+       sprintf (string, "%s%s%s%s%s%s", search->name, slash,
+                lib, entry->filename, arch, suffix);
+      else if (entry->filename[0] == '/' || entry->filename[0] == '.'
+#if defined (__MSDOS__) || defined (_WIN32)
+              || entry->filename[0] == '\\' 
+              || (isalpha (entry->filename[0]) 
+                  && entry->filename[1] == ':')
+#endif
+         )
+       strcpy (string, entry->filename);
+      else
+       sprintf (string, "%s%s%s", search->name, slash, entry->filename);
+
+      if (ldfile_try_open_bfd (string, entry))

        {
          entry->filename = string;
        {
          entry->filename = string;

-         entry->the_bfd =  desc;
-         return desc;
+         return true;

        }
        }

-      free(string);
+
+      free (string);

     }
     }

-  return (bfd *)NULL;
+
+  return false;

 }
 
 }
 

-/* Open the input file specified by 'entry', and return a descriptor.
-   The open file is remembered; if the same file is opened twice in a row,
-   a new open is not actually done.  */
+/* Open the input file specified by ENTRY.  */

 
 void
 ldfile_open_file (entry)
      lang_input_statement_type *entry;
 {
 
 void
 ldfile_open_file (entry)
      lang_input_statement_type *entry;
 {

-  ASSERT (entry->the_bfd == NULL);
+  if (entry->the_bfd != NULL)
+    return;

 
   if (! entry->search_dirs_flag)
 
   if (! entry->search_dirs_flag)

-    entry->the_bfd = cached_bfd_openr (entry->filename, entry);
+    {
+      if (ldfile_try_open_bfd (entry->filename, entry))
+       return;
+      if (strcmp (entry->filename, entry->local_sym_name) != 0)
+       einfo (_("%F%P: cannot open %s for %s: %E\n"),
+              entry->filename, entry->local_sym_name);
+      else
+       einfo(_("%F%P: cannot open %s: %E\n"), entry->local_sym_name);
+    }

   else
     {
       search_arch_type *arch;
   else
     {
       search_arch_type *arch;


@@ -179,57 +238,54 @@ ldfile_open_file (entry)
           arch != (search_arch_type *) NULL;
           arch = arch->next)
        {
           arch != (search_arch_type *) NULL;
           arch = arch->next)
        {

-         if (config.dynamic_link)
-           {
-             /* FIXME: Perhaps we will sometimes want something other
-                than .so.  */
-             if (open_a (arch->name, entry, "lib", ".so") != (bfd *) NULL)
-               return;
-           }
-         if (open_a (arch->name, entry, "lib", ".a") != (bfd *) NULL)
+         if (ldfile_open_file_search (arch->name, entry, "lib", ".a"))

            return;
 #ifdef VMS
            return;
 #ifdef VMS

-         if (open_a (arch->name, entry, ":lib", ".a") != (bfd *) NULL)
+         if (ldfile_open_file_search (arch->name, entry, ":lib", ".a"))

            return;
 #endif
            return;
 #endif

+         if (ldemul_find_potential_libraries (arch->name, entry))
+           return;

        }
        }

+      einfo (_("%F%P: cannot find %s\n"), entry->local_sym_name);

     }
     }

-
-  if (entry->the_bfd == NULL)
-    einfo("%F%P: cannot open %s: %E\n", entry->local_sym_name);

 }
 
 /* Try to open NAME; if that fails, try NAME with EXTEN appended to it.  */
 
 static FILE *
 }
 
 /* Try to open NAME; if that fails, try NAME with EXTEN appended to it.  */
 
 static FILE *

-try_open(name, exten)
-     char *name;
-     char *exten;
+try_open (name, exten)
+     const char *name;
+     const char *exten;

 {
   FILE *result;
   char buff[1000];
 
 {
   FILE *result;
   char buff[1000];
 

-  result = fopen(name, "r");
-  if (trace_file_tries == true) {
-    if (result == (FILE *)NULL) {
-      info_msg ("cannot find ");
+  result = fopen (name, "r");
+  if (trace_file_tries)
+    {
+      if (result == NULL)
+       info_msg (_("cannot find script file %s\n"), name);
+      else
+       info_msg (_("opened script file %s\n"), name);

     }
     }

-    info_msg ("%s\n",name);
-  }
-  if (result != (FILE *)NULL) {
+
+  if (result != NULL)

     return result;
     return result;

-  }

 
 

-  if (*exten) {
-    sprintf(buff, "%s%s", name, exten);
-    result = fopen(buff, "r");
-    if (trace_file_tries == true) {
-      if (result == (FILE *)NULL) {
-       info_msg ("cannot find ");
-      }
-      info_msg ("%s\n", buff);
+  if (*exten)
+    {
+      sprintf (buff, "%s%s", name, exten);
+      result = fopen (buff, "r");
+      if (trace_file_tries)
+       {
+         if (result == NULL)
+           info_msg (_("cannot find script file %s\n"), buff);
+         else
+           info_msg (_("opened script file %s\n"), buff);
+       }

     }
     }

-  }
+

   return result;
 }
 
   return result;
 }
 


@@ -237,9 +293,9 @@ try_open(name, exten)
    specified with -L, without and with EXTEND apppended.  */
 
 FILE *
    specified with -L, without and with EXTEND apppended.  */
 
 FILE *

-ldfile_find_command_file(name, extend)
-char *name;
-char *extend;
+ldfile_find_command_file (name, extend)
+     const char *name;
+     const char *extend;

 {
   search_dirs_type *search;
   FILE *result;
 {
   search_dirs_type *search;
   FILE *result;


@@ -252,7 +308,7 @@ char *extend;
     for (search = search_head;
         search != (search_dirs_type *)NULL;
         search = search->next) {
     for (search = search_head;
         search != (search_dirs_type *)NULL;
         search = search->next) {

-      sprintf(buffer,"%s/%s", search->name, name);
+      sprintf(buffer,"%s%s%s", search->name, slash, name);

       result = try_open(buffer, extend);
       if (result)break;
     }
       result = try_open(buffer, extend);
       if (result)break;
     }


@@ -261,19 +317,20 @@ char *extend;
 }
 
 void
 }
 
 void

-ldfile_open_command_file(name)
-char *name;
+ldfile_open_command_file (name)
+     const char *name;

 {
   FILE *ldlex_input_stack;
   ldlex_input_stack = ldfile_find_command_file(name, "");
 
   if (ldlex_input_stack == (FILE *)NULL) {
     bfd_set_error (bfd_error_system_call);
 {
   FILE *ldlex_input_stack;
   ldlex_input_stack = ldfile_find_command_file(name, "");
 
   if (ldlex_input_stack == (FILE *)NULL) {
     bfd_set_error (bfd_error_system_call);

-    einfo("%P%F: cannot open linker script file %s: %E\n",name);
+    einfo(_("%P%F: cannot open linker script file %s: %E\n"),name);

   }
   lex_push_file(ldlex_input_stack, name);
   
   ldfile_input_filename = name;
   }
   lex_push_file(ldlex_input_stack, name);
   
   ldfile_input_filename = name;

+  lineno = 1;

   had_script = true;
 }
 
   had_script = true;
 }
 


@@ -309,7 +366,7 @@ char *name;
   }
 
   if ( tp->cmd_switch == NULL ){
   }
 
   if ( tp->cmd_switch == NULL ){

-    einfo("%P%F: unknown architecture: %s\n",name);
+    einfo(_("%P%F: unknown architecture: %s\n"),name);

   }
   return tp->arch;
 }
   }
   return tp->arch;
 }


@@ -326,7 +383,7 @@ char *name;
 
   if (*name != '\0') {
     if (ldfile_output_machine_name[0] != '\0') {
 
   if (*name != '\0') {
     if (ldfile_output_machine_name[0] != '\0') {

-      einfo("%P%F: target architecture respecified\n");
+      einfo(_("%P%F: target architecture respecified\n"));

       return;
     }
     ldfile_output_machine_name = name;
       return;
     }
     ldfile_output_machine_name = name;


@@ -348,16 +405,18 @@ ldfile_add_arch (in_name)
 {
   char *name = buystring(in_name);
   search_arch_type *new =
 {
   char *name = buystring(in_name);
   search_arch_type *new =

-    (search_arch_type *)xmalloc((bfd_size_type)(sizeof(search_arch_type)));
+    (search_arch_type *) xmalloc (sizeof (search_arch_type));

 
   ldfile_output_machine_name = in_name;
 
   new->name = name;
   new->next = (search_arch_type*)NULL;
 
   ldfile_output_machine_name = in_name;
 
   new->name = name;
   new->next = (search_arch_type*)NULL;

-  while (*name) {
-    if (isupper(*name)) *name = tolower(*name);
-    name++;
-  }
+  while (*name)
+    {
+      if (isupper ((unsigned char) *name))
+       *name = tolower ((unsigned char) *name);
+      name++;
+    }

   *search_arch_tail_ptr = new;
   search_arch_tail_ptr = &new->next;
 
   *search_arch_tail_ptr = new;
   search_arch_tail_ptr = &new->next;
 


@@ -369,7 +428,7 @@ void
 ldfile_set_output_arch (string)
      CONST char *string;
 {
 ldfile_set_output_arch (string)
      CONST char *string;
 {

-  bfd_arch_info_type *arch = bfd_scan_arch(string);
+  const bfd_arch_info_type *arch = bfd_scan_arch(string);

 
   if (arch) {
     ldfile_output_architecture = arch->arch;
 
   if (arch) {
     ldfile_output_architecture = arch->arch;


@@ -377,6 +436,6 @@ ldfile_set_output_arch (string)
     ldfile_output_machine_name = arch->printable_name;
   }
   else {
     ldfile_output_machine_name = arch->printable_name;
   }
   else {

-    einfo("%P%F: cannot represent machine `%s'\n", string);
+    einfo(_("%P%F: cannot represent machine `%s'\n"), string);

   }
 }
   }
 }