-/* Copyright (C) 1991 Free Software Foundation, Inc.
+/* ldemul.c -- clearing house for ld emulation states
+ Copyright 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
+ 2001, 2002, 2003, 2005, 2007, 2008
+ Free Software Foundation, Inc.
-This file is part of GLD, the Gnu Linker.
+ This file is part of the GNU Binutils.
-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)
-any later version.
+ This program 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 3 of the License, or
+ (at your option) any later version.
-GLD is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ 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. */
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
+ MA 02110-1301, USA. */
-/*
- * $Id$
- */
-
-/*
- * clearing house for ld emulation states
- */
-
-#include "bfd.h"
#include "sysdep.h"
+#include "bfd.h"
+#include "getopt.h"
+#include "bfdlink.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"
-extern ld_emulation_xfer_type ld_lnk960_emulation;
-extern ld_emulation_xfer_type ld_gldm88kbcs_emulation;
-extern ld_emulation_xfer_type ld_gld_emulation;
-extern ld_emulation_xfer_type ld_vanilla_emulation;
-extern ld_emulation_xfer_type ld_gld68k_emulation;
-extern ld_emulation_xfer_type ld_gld960_emulation;
-extern ld_emulation_xfer_type ld_gld29k_emulation;
-extern ld_emulation_xfer_type ld_gldnews_emulation;
-extern ld_emulation_xfer_type ld_h8300hds_emulation;
+static ld_emulation_xfer_type *ld_emulation;
+void
+ldemul_hll (char *name)
+{
+ ld_emulation->hll (name);
+}
-ld_emulation_xfer_type *ld_emulation;
+void
+ldemul_syslib (char *name)
+{
+ ld_emulation->syslib (name);
+}
void
-ldemul_hll(name)
-char *name;
+ldemul_after_parse (void)
{
- ld_emulation->hll(name);
+ ld_emulation->after_parse ();
}
+void
+ldemul_before_parse (void)
+{
+ ld_emulation->before_parse ();
+}
-void ldemul_syslib(name)
-char *name;
+void
+ldemul_after_open (void)
{
- ld_emulation->syslib(name);
+ ld_emulation->after_open ();
}
void
-ldemul_after_parse()
+ldemul_after_allocation (void)
{
- ld_emulation->after_parse();
+ ld_emulation->after_allocation ();
}
void
-ldemul_before_parse()
+ldemul_before_allocation (void)
{
- ld_emulation->before_parse();
+ ld_emulation->before_allocation ();
}
-void
-ldemul_after_allocation()
+void
+ldemul_set_output_arch (void)
{
- ld_emulation->after_allocation();
+ ld_emulation->set_output_arch ();
}
-void
-ldemul_before_allocation()
+void
+ldemul_finish (void)
{
- if (ld_emulation->before_allocation) {
- ld_emulation->before_allocation();
- }
+ ld_emulation->finish ();
}
+void
+ldemul_set_symbols (void)
+{
+ if (ld_emulation->set_symbols)
+ ld_emulation->set_symbols ();
+}
void
-ldemul_set_output_arch()
+ldemul_create_output_section_statements (void)
{
- ld_emulation->set_output_arch();
+ if (ld_emulation->create_output_section_statements)
+ ld_emulation->create_output_section_statements ();
}
char *
-ldemul_choose_target()
+ldemul_get_script (int *isfile)
+{
+ return ld_emulation->get_script (isfile);
+}
+
+bfd_boolean
+ldemul_open_dynamic_archive (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, search, entry);
+ return FALSE;
+}
+
+lang_output_section_statement_type *
+ldemul_place_orphan (asection *s, const char *name, int constraint)
{
- return ld_emulation->choose_target();
+ if (ld_emulation->place_orphan)
+ return (*ld_emulation->place_orphan) (s, name, constraint);
+ return NULL;
+}
+
+void
+ldemul_add_options (int ns, char **shortopts, int nl,
+ struct option **longopts, int nrl,
+ struct option **really_longopts)
+{
+ if (ld_emulation->add_options)
+ (*ld_emulation->add_options) (ns, shortopts, nl, longopts,
+ nrl, really_longopts);
+}
+
+bfd_boolean
+ldemul_handle_option (int optc)
+{
+ if (ld_emulation->handle_option)
+ return (*ld_emulation->handle_option) (optc);
+ return FALSE;
+}
+
+bfd_boolean
+ldemul_parse_args (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 FALSE;
+}
+
+/* Let the emulation code handle an unrecognized file. */
+
+bfd_boolean
+ldemul_unrecognized_file (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. */
+
+bfd_boolean
+ldemul_recognized_file (lang_input_statement_type *entry)
+{
+ if (ld_emulation->recognized_file)
+ return (*ld_emulation->recognized_file) (entry);
+ return FALSE;
}
char *
-ldemul_get_script()
-{
- return ld_emulation->get_script();
-}
-
-void
-ldemul_choose_mode(target)
-char *target;
-{
- if (strcmp(target,LNK960_EMULATION_NAME)==0) {
- ld_emulation = &ld_lnk960_emulation;
- }
- else if (strcmp(target,GLD960_EMULATION_NAME)==0) {
- ld_emulation = &ld_gld960_emulation;
- }
- else if (strcmp(target,GLDM88KBCS_EMULATION_NAME)==0) {
- ld_emulation = &ld_gldm88kbcs_emulation;
- }
-#ifndef GNU960
- else if (strcmp(target,GLD_EMULATION_NAME)==0) {
- ld_emulation = &ld_gld_emulation;
- }
- else if (strcmp(target,VANILLA_EMULATION_NAME)==0) {
- ld_emulation = &ld_vanilla_emulation;
- }
- else if (strcmp(target,H8300HDS_EMULATION_NAME)==0) {
- ld_emulation = &ld_h8300hds_emulation;
- }
-
- else if (strcmp(target,GLD68K_EMULATION_NAME)==0) {
- ld_emulation = &ld_gld68k_emulation;
- }
- else if (strcmp(target,GLD29K_EMULATION_NAME)==0) {
- ld_emulation = &ld_gld29k_emulation;
- }
- else if (strcmp(target,GLDNEWS_EMULATION_NAME)==0) {
- ld_emulation = &ld_gldnews_emulation;
- }
-#endif
- else {
- info("%P%F unrecognised emulation mode: %s\n",target);
- }
+ldemul_choose_target (int argc, char **argv)
+{
+ return ld_emulation->choose_target (argc, argv);
}
+/* The default choose_target function. */
+
+char *
+ldemul_default_target (int argc ATTRIBUTE_UNUSED, char **argv ATTRIBUTE_UNUSED)
+{
+ char *from_outside = getenv (TARGET_ENVIRON);
+ if (from_outside != (char *) NULL)
+ return from_outside;
+ return ld_emulation->target_name;
+}
+
+void
+after_parse_default (void)
+{
+}
+void
+after_open_default (void)
+{
+}
+
+void
+after_allocation_default (void)
+{
+}
+
+void
+before_allocation_default (void)
+{
+ if (!link_info.relocatable)
+ strip_excluded_output_sections ();
+}
+
+void
+finish_default (void)
+{
+ if (!link_info.relocatable)
+ _bfd_fix_excluded_sec_syms (link_info.output_bfd, &link_info);
+}
+
+void
+set_output_arch_default (void)
+{
+ /* Set the output architecture and machine if possible. */
+ bfd_set_arch_mach (link_info.output_bfd,
+ ldfile_output_architecture, ldfile_output_machine);
+}
+
+void
+syslib_default (char *ignore ATTRIBUTE_UNUSED)
+{
+ info_msg (_("%S SYSLIB ignored\n"));
+}
+
+void
+hll_default (char *ignore ATTRIBUTE_UNUSED)
+{
+ info_msg (_("%S HLL ignored\n"));
+}
+
+ld_emulation_xfer_type *ld_emulations[] = { EMULATION_LIST };
+
+void
+ldemul_choose_mode (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: unrecognised emulation mode: %s\n"), target);
+ einfo (_("Supported emulations: "));
+ ldemul_list_emulations (stderr);
+ einfo ("%F\n");
+}
+
+void
+ldemul_list_emulations (FILE *f)
+{
+ ld_emulation_xfer_type **eptr = ld_emulations;
+ bfd_boolean first = TRUE;
+
+ for (; *eptr; eptr++)
+ {
+ if (first)
+ first = FALSE;
+ else
+ fprintf (f, " ");
+ fprintf (f, "%s", (*eptr)->emulation_name);
+ }
+}
+
+void
+ldemul_list_emulation_options (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 (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 (struct bfd_elf_version_expr *entry)
+{
+ if (ld_emulation->new_vers_pattern)
+ entry = (*ld_emulation->new_vers_pattern) (entry);
+ return entry;
+}