* hppa-dis.c (print_insn_hppa): Change condition args to use

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

diff --git a/ld/ldfile.c b/ld/ldfile.c
index a52cfb0b04f640529c7180a7fa81c82bb92cb1a0..6c00cab91e3d90d2f169f581e8bc40611affcaba 100644 (file)
--- a/ld/ldfile.c
+++ b/ld/ldfile.c
@@ -1,11 +1,10 @@
-
-/* Copyright (C) 1991 Free Software Foundation, Inc.
+/* Copyright (C) 1991, 92, 93, 94, 95, 98, 1999 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,


@@ -14,12 +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.  */
-
-/*
-   $Id$ 
-*/
+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.  */

 
 /*
  ldfile.c
 
 /*
  ldfile.c


@@ -28,197 +24,284 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
 
  */
 
 
  */
 

-#include "sysdep.h"

 #include "bfd.h"
 #include "bfd.h"

-
+#include "sysdep.h"
+#include "bfdlink.h"
+#include "ld.h"

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

+#include "ldexp.h"

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

+#include "ldmain.h"
+#include "ldgram.h"
+#include "ldlex.h"
+#include "ldemul.h"
+
+#include <ctype.h>

 
 

-/* EXPORT */
-char *ldfile_input_filename;
-CONST char * ldfile_output_machine_name ="";
+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;
 unsigned long ldfile_output_machine;
 enum bfd_architecture ldfile_output_architecture;

-boolean had_script;
-
-/* IMPORT */
-
-extern boolean option_v;
-
-
-
-
+search_dirs_type *search_head;
+
+#ifndef MPW
+#ifdef VMS
+char *slash = "";
+#else
+#if defined (_WIN32) && ! defined (__CYGWIN32__)
+char *slash = "\\";
+#else
+char *slash = "/";
+#endif
+#endif
+#else /* MPW */
+/* The MPW path char is a colon. */
+char *slash = ":";
+#endif /* MPW */

 
 

-/* LOACL */
-typedef struct search_dirs_struct 
-{
-  char *name;
-  struct search_dirs_struct *next;
-} search_dirs_type;
+/* LOCAL */

 
 

-static search_dirs_type *search_head;

 static search_dirs_type **search_tail_ptr = &search_head;
 
 static search_dirs_type **search_tail_ptr = &search_head;
 

-typedef struct search_arch_struct 
+typedef struct search_arch 

 {
   char *name; 
 {
   char *name; 

-  struct search_arch_struct *next;
+  struct search_arch *next;

 } search_arch_type;
 
 static search_arch_type *search_arch_head;
 static search_arch_type **search_arch_tail_ptr = &search_arch_head;
  
 } search_arch_type;
 
 static search_arch_type *search_arch_head;
 static search_arch_type **search_arch_tail_ptr = &search_arch_head;
  

-
+static boolean ldfile_open_file_search
+  PARAMS ((const char *arch, lang_input_statement_type *,
+          const char *lib, const char *suffix));
+static FILE *try_open PARAMS ((const char *name, const char *exten));

 
 void
 
 void

-ldfile_add_library_path(name)
-char *name;
+ldfile_add_library_path (name, cmdline)
+     const char *name;
+     boolean cmdline;

 {
 {

-  search_dirs_type *new =
-    (search_dirs_type *)ldmalloc(sizeof(search_dirs_type));
+  search_dirs_type *new;
+
+  new = (search_dirs_type *) xmalloc (sizeof (search_dirs_type));
+  new->next = NULL;

   new->name = name;
   new->name = name;

-  new->next = (search_dirs_type*)NULL;
+  new->cmdline = cmdline;

   *search_tail_ptr = new;
   search_tail_ptr = &new->next;
 }
 
   *search_tail_ptr = new;
   search_tail_ptr = &new->next;
 }
 

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

 
 

-static bfd*
-cached_bfd_openr(attempt,entry)
-char *attempt;
-lang_input_statement_type  *entry;
+boolean
+ldfile_try_open_bfd (attempt, entry)
+     const char *attempt;
+     lang_input_statement_type *entry;

 {
 {

-  entry->the_bfd = bfd_openr(attempt, entry->target);
-  if (option_v == true ) {
-    info("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;
-lang_input_statement_type *entry;
-char *lib;
-char *suffix;
+/* Search for and open the file specified by ENTRY.  If it is an
+   archive, use ARCH, LIB and SUFFIX to modify the file name.  */
+
+static boolean
+ldfile_open_file_search (arch, entry, lib, suffix)
+     const char *arch;
+     lang_input_statement_type *entry;
+     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 (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",
-               search->name,
-               lib,
-               entry->filename, arch, suffix);
-      }
-      else {
-       if (entry->filename[0] == '/' || entry->filename[0] == '.') {
-         strcpy(buffer, entry->filename);
-       } else {
-         sprintf(buffer,"%s/%s",search->name, 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->search_dirs_flag = false;
-         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)
 
 void
 ldfile_open_file (entry)

-lang_input_statement_type *entry;
+     lang_input_statement_type *entry;

 {
 {

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

 
 

-  if (entry->superfile)
-    ldfile_open_file (entry->superfile);
-
-  if (entry->search_dirs_flag)
+  if (! entry->search_dirs_flag)
+    {
+      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;
     {
       search_arch_type *arch;

+

       /* Try to open <filename><suffix> or lib<filename><suffix>.a */
       /* Try to open <filename><suffix> or lib<filename><suffix>.a */

-  

       for (arch = search_arch_head;
       for (arch = search_arch_head;

-          arch != (search_arch_type *)NULL;
-          arch = arch->next) {
-       if (open_a(arch->name,entry,"","") != (bfd *)NULL) {
-         return;
-       }
-       if (open_a(arch->name,entry,"lib",".a") != (bfd *)NULL) {
-         return;
+          arch != (search_arch_type *) NULL;
+          arch = arch->next)
+       {
+         if (ldfile_open_file_search (arch->name, entry, "lib", ".a"))
+           return;
+#ifdef VMS
+         if (ldfile_open_file_search (arch->name, entry, ":lib", ".a"))
+           return;
+#endif

        }
        }

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

     }
     }

-  else {
-    entry->the_bfd = cached_bfd_openr (entry->filename, entry);
-
-  }
-  if (!entry->the_bfd)  info("%F%P: %E %I\n", entry);
-

 }
 
 }
 

-
-
-
-
+/* Try to open NAME; if that fails, try NAME with EXTEN appended to it.  */

 
 static FILE *
 
 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 (option_v == true) {
-    if (result == (FILE *)NULL) {
-      info("can't 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("%s\n",name);
-    
+
+  if (result != NULL)

     return result;
     return result;

-  }
-  sprintf(buff, "%s%s", name, exten);
-  result = fopen(buff, "r");

 
 

-  if (option_v == true) {
-    if (result == (FILE *)NULL) {
-      info("can't find ");
+  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);
+       }

     }
     }

-    info("%s\n", buff);
-  }
+

   return result;
 }
   return result;
 }

-static FILE *
-find_a_name(name, extend)
-char *name;
-char *extend;
+
+/* Try to open NAME; if that fails, look for it in any directories
+   specified with -L, without and with EXTEND apppended.  */
+
+FILE *
+ldfile_find_command_file (name, extend)
+     const char *name;
+     const char *extend;

 {
   search_dirs_type *search;
   FILE *result;
   char buffer[1000];
 {
   search_dirs_type *search;
   FILE *result;
   char buffer[1000];

+

   /* First try raw name */
   result = try_open(name,"");
   if (result == (FILE *)NULL) {
   /* First try raw name */
   result = try_open(name,"");
   if (result == (FILE *)NULL) {


@@ -226,7 +309,7 @@ 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;
     }


@@ -234,16 +317,21 @@ char *extend;
   return result;
 }
 
   return result;
 }
 

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

 {
 {

-  extern FILE *ldlex_input_stack;
-  ldlex_input_stack = find_a_name(name, ".ld");
+  FILE *ldlex_input_stack;
+  ldlex_input_stack = ldfile_find_command_file(name, "");

 
   if (ldlex_input_stack == (FILE *)NULL) {
 
   if (ldlex_input_stack == (FILE *)NULL) {

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

   }
   }

+  lex_push_file(ldlex_input_stack, name);
+  

   ldfile_input_filename = name;
   ldfile_input_filename = name;

+  lineno = 1;

   had_script = true;
 }
 
   had_script = true;
 }
 


@@ -279,7 +367,7 @@ char *name;
   }
 
   if ( tp->cmd_switch == NULL ){
   }
 
   if ( tp->cmd_switch == NULL ){

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

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


@@ -291,12 +379,12 @@ ldfile_add_arch(name)
 char *name;
 {
   search_arch_type *new =
 char *name;
 {
   search_arch_type *new =

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

 
 
   if (*name != '\0') {
     if (ldfile_output_machine_name[0] != '\0') {
 
 
   if (*name != '\0') {
     if (ldfile_output_machine_name[0] != '\0') {

-      info("%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;


@@ -313,23 +401,42 @@ char *name;
 
 
 void
 
 
 void

-DEFUN(ldfile_add_arch,(in_name),
-      CONST char * in_name)
+ldfile_add_arch (in_name)
+     CONST char * in_name;

 {
   char *name = buystring(in_name);
   search_arch_type *new =
 {
   char *name = buystring(in_name);
   search_arch_type *new =

-    (search_arch_type *)ldmalloc(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;
 
 }
 #endif
   *search_arch_tail_ptr = new;
   search_arch_tail_ptr = &new->next;
 
 }
 #endif

+
+/* Set the output architecture */
+void
+ldfile_set_output_arch (string)
+     CONST char *string;
+{
+  const bfd_arch_info_type *arch = bfd_scan_arch(string);
+
+  if (arch) {
+    ldfile_output_architecture = arch->arch;
+    ldfile_output_machine = arch->mach;
+    ldfile_output_machine_name = arch->printable_name;
+  }
+  else {
+    einfo(_("%P%F: cannot represent machine `%s'\n"), string);
+  }
+}