2002-09-10 Andrew Cagney <cagney@redhat.com>
[deliverable/binutils-gdb.git] / ld / ldemul.c
index 6348afc39b4f7d9c76fa2918f5c212c8639cbcfb..c90673b919d3dda6316fa006e68df2cbc387f800 100644 (file)
@@ -1,5 +1,6 @@
 /* ldemul.c -- clearing house for ld emulation states
-   Copyright (C) 1991, 1993 Free Software Foundation, Inc.
+   Copyright 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 2000
+   Free Software Foundation, Inc.
 
 This file is part of GLD, the Gnu Linker.
 
@@ -14,48 +15,48 @@ 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
-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.  */
 
 #include "bfd.h"
 #include "sysdep.h"
 
-#include "config.h"
 #include "ld.h"
-#include "ldemul.h"
 #include "ldmisc.h"
 #include "ldexp.h"
 #include "ldlang.h"
 #include "ldfile.h"
+#include "ldemul.h"
 #include "ldmain.h"
 #include "ldemul-list.h"
 
 ld_emulation_xfer_type *ld_emulation;
 
 void
-ldemul_hll(name)
+ldemul_hll (name)
      char *name;
 {
-  ld_emulation->hll(name);
+  ld_emulation->hll (name);
 }
 
-
-void ldemul_syslib(name)
+void
+ldemul_syslib (name)
      char *name;
 {
-  ld_emulation->syslib(name);
+  ld_emulation->syslib (name);
 }
 
 void
-ldemul_after_parse()
+ldemul_after_parse ()
 {
-  ld_emulation->after_parse();
+  ld_emulation->after_parse ();
 }
 
 void
-ldemul_before_parse()
+ldemul_before_parse ()
 {
-  ld_emulation->before_parse();
+  ld_emulation->before_parse ();
 }
 
 void
@@ -64,54 +65,61 @@ ldemul_after_open ()
   ld_emulation->after_open ();
 }
 
-void 
-ldemul_after_allocation()
+void
+ldemul_after_allocation ()
 {
-  ld_emulation->after_allocation();
+  ld_emulation->after_allocation ();
 }
 
-void 
-ldemul_before_allocation()
+void
+ldemul_before_allocation ()
 {
   if (ld_emulation->before_allocation)
-    ld_emulation->before_allocation();
+    ld_emulation->before_allocation ();
 }
 
-
 void
-ldemul_set_output_arch()
+ldemul_set_output_arch ()
 {
-  ld_emulation->set_output_arch();
+  ld_emulation->set_output_arch ();
 }
 
 void
-ldemul_finish()
+ldemul_finish ()
 {
   if (ld_emulation->finish)
-    ld_emulation->finish();
+    ld_emulation->finish ();
 }
 
 void
-ldemul_create_output_section_statements()
+ldemul_set_symbols ()
+{
+  if (ld_emulation->set_symbols)
+    ld_emulation->set_symbols ();
+}
+
+void
+ldemul_create_output_section_statements ()
 {
   if (ld_emulation->create_output_section_statements)
-    ld_emulation->create_output_section_statements();
+    ld_emulation->create_output_section_statements ();
 }
 
 char *
-ldemul_get_script(isfile)
+ldemul_get_script (isfile)
      int *isfile;
 {
-  return ld_emulation->get_script(isfile);
+  return ld_emulation->get_script (isfile);
 }
 
 boolean
-ldemul_open_dynamic_archive (arch, entry)
+ldemul_open_dynamic_archive (arch, search, entry)
      const char *arch;
+     search_dirs_type *search;
      lang_input_statement_type *entry;
 {
   if (ld_emulation->open_dynamic_archive)
-    return (*ld_emulation->open_dynamic_archive) (arch, entry);
+    return (*ld_emulation->open_dynamic_archive) (arch, search, entry);
   return false;
 }
 
@@ -125,27 +133,66 @@ ldemul_place_orphan (file, s)
   return false;
 }
 
+int
+ldemul_parse_args (argc, argv)
+     int argc;
+     char **argv;
+{
+  /* Try and use the emulation parser if there is one.  */
+  if (ld_emulation->parse_args)
+    {
+      return ld_emulation->parse_args (argc, argv);
+    }
+  return 0;
+}
+
+/* Let the emulation code handle an unrecognized file.  */
+
+boolean
+ldemul_unrecognized_file (entry)
+     lang_input_statement_type *entry;
+{
+  if (ld_emulation->unrecognized_file)
+    return (*ld_emulation->unrecognized_file) (entry);
+  return false;
+}
+
+/* Let the emulation code handle a recognized file.  */
+
+boolean
+ldemul_recognized_file (entry)
+     lang_input_statement_type *entry;
+{
+  if (ld_emulation->recognized_file)
+    return (*ld_emulation->recognized_file) (entry);
+  return false;
+}
+
 char *
-ldemul_choose_target()
+ldemul_choose_target (argc, argv)
+     int argc;
+     char **argv;
 {
-  return ld_emulation->choose_target();
+  return ld_emulation->choose_target (argc, argv);
 }
 
+
 /* The default choose_target function.  */
 
 char *
-ldemul_default_target()
+ldemul_default_target (argc, argv)
+     int argc ATTRIBUTE_UNUSED;
+     char **argv ATTRIBUTE_UNUSED;
 {
-  char *from_outside = getenv(TARGET_ENVIRON);
-  if (from_outside != (char *)NULL)
+  char *from_outside = getenv (TARGET_ENVIRON);
+  if (from_outside != (char *) NULL)
     return from_outside;
   return ld_emulation->target_name;
 }
 
-void 
-after_parse_default()
+void
+after_parse_default ()
 {
-
 }
 
 void
@@ -154,60 +201,59 @@ after_open_default ()
 }
 
 void
-after_allocation_default()
+after_allocation_default ()
 {
-
 }
 
 void
-before_allocation_default()
+before_allocation_default ()
 {
-
 }
 
 void
-set_output_arch_default()
+set_output_arch_default ()
 {
-  /* Set the output architecture and machine if possible */
-  bfd_set_arch_mach(output_bfd,
-                   ldfile_output_architecture, ldfile_output_machine);
+  /* Set the output architecture and machine if possible */
+  bfd_set_arch_mach (output_bfd,
+                    ldfile_output_architecture, ldfile_output_machine);
 }
 
-/*ARGSUSED*/
 void
-syslib_default(ignore)
-     char  *ignore;
+syslib_default (ignore)
+     char *ignore ATTRIBUTE_UNUSED;
 {
-  info_msg ("%S SYSLIB ignored\n");
+  info_msg (_("%S SYSLIB ignored\n"));
 }
 
-/*ARGSUSED*/
 void
-hll_default(ignore)
-     char  *ignore;
+hll_default (ignore)
+     char *ignore ATTRIBUTE_UNUSED;
 {
-  info_msg ("%S HLL ignored\n");
+  info_msg (_("%S HLL ignored\n"));
 }
 
 ld_emulation_xfer_type *ld_emulations[] = { EMULATION_LIST };
 
 void
-ldemul_choose_mode(target)
+ldemul_choose_mode (target)
      char *target;
 {
-    ld_emulation_xfer_type **eptr = ld_emulations;
-    /* Ignore "gld" prefix. */
-    if (target[0] == 'g' && target[1] == 'l' && target[2] == 'd')
-       target += 3;
-    for (; *eptr; eptr++)
-      {
-       if (strcmp(target, (*eptr)->emulation_name) == 0)
-         {
-           ld_emulation = *eptr;
-           return;
-         }
-      }
-    einfo("%P%F: unrecognised emulation mode: %s\n",target);
+  ld_emulation_xfer_type **eptr = ld_emulations;
+  /* Ignore "gld" prefix.  */
+  if (target[0] == 'g' && target[1] == 'l' && target[2] == 'd')
+    target += 3;
+  for (; *eptr; eptr++)
+    {
+      if (strcmp (target, (*eptr)->emulation_name) == 0)
+       {
+         ld_emulation = *eptr;
+         return;
+       }
+    }
+  einfo (_("%P: unrecognised emulation mode: %s\n"), target);
+  einfo (_("Supported emulations: "));
+  ldemul_list_emulations (stderr);
+  einfo ("%F\n");
 }
 
 void
@@ -226,3 +272,48 @@ ldemul_list_emulations (f)
       fprintf (f, "%s", (*eptr)->emulation_name);
     }
 }
+
+void
+ldemul_list_emulation_options (f)
+     FILE *f;
+{
+  ld_emulation_xfer_type **eptr;
+  int options_found = 0;
+
+  for (eptr = ld_emulations; *eptr; eptr++)
+    {
+      ld_emulation_xfer_type *emul = *eptr;
+
+      if (emul->list_options)
+       {
+         fprintf (f, "%s: \n", emul->emulation_name);
+
+         emul->list_options (f);
+
+         options_found = 1;
+       }
+    }
+
+  if (! options_found)
+    fprintf (f, _("  no emulation specific options.\n"));
+}
+
+int
+ldemul_find_potential_libraries (name, entry)
+     char *name;
+     lang_input_statement_type *entry;
+{
+  if (ld_emulation->find_potential_libraries)
+    return ld_emulation->find_potential_libraries (name, entry);
+
+  return 0;
+}
+
+struct bfd_elf_version_expr *
+ldemul_new_vers_pattern (entry)
+     struct bfd_elf_version_expr *entry;
+{
+  if (ld_emulation->new_vers_pattern)
+    entry = (*ld_emulation->new_vers_pattern) (entry);
+  return entry;
+}
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