home *** CD-ROM | disk | FTP | other *** search
- /* ldemul.c -- clearing house for ld emulation states
- Copyright (C) 1991, 1993 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
- 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,
- 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, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
-
- #include "bfd.h"
- #include "sysdep.h"
-
- #include "ld.h"
- #include "ldemul.h"
- #include "ldmisc.h"
- #include "ldexp.h"
- #include "ldlang.h"
- #include "ldfile.h"
- #include "ldmain.h"
- #include "ldemul-list.h"
-
- ld_emulation_xfer_type *ld_emulation;
-
- void
- ldemul_hll(name)
- char *name;
- {
- ld_emulation->hll(name);
- }
-
-
- void ldemul_syslib(name)
- char *name;
- {
- ld_emulation->syslib(name);
- }
-
- void
- ldemul_after_parse()
- {
- ld_emulation->after_parse();
- }
-
- void
- ldemul_before_parse()
- {
- ld_emulation->before_parse();
- }
-
- void
- ldemul_after_open ()
- {
- ld_emulation->after_open ();
- }
-
- void
- ldemul_after_allocation()
- {
- ld_emulation->after_allocation();
- }
-
- void
- ldemul_before_allocation()
- {
- if (ld_emulation->before_allocation)
- ld_emulation->before_allocation();
- }
-
-
- void
- ldemul_set_output_arch()
- {
- ld_emulation->set_output_arch();
- }
-
- void
- ldemul_finish()
- {
- if (ld_emulation->finish)
- ld_emulation->finish();
- }
-
- void
- 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();
- }
-
- char *
- ldemul_get_script(isfile)
- int *isfile;
- {
- return ld_emulation->get_script(isfile);
- }
-
- boolean
- 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, search, entry);
- return false;
- }
-
- boolean
- ldemul_place_orphan (file, s)
- lang_input_statement_type *file;
- asection *s;
- {
- if (ld_emulation->place_orphan)
- return (*ld_emulation->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;
- }
-
- char *
- ldemul_choose_target()
- {
- return ld_emulation->choose_target();
- }
-
- /* The default choose_target function. */
-
- char *
- ldemul_default_target()
- {
- char *from_outside = (char *) getenv(TARGET_ENVIRON);
- if (from_outside != (char *)NULL)
- return from_outside;
- return ld_emulation->target_name;
- }
-
- void
- after_parse_default()
- {
-
- }
-
- void
- after_open_default ()
- {
- }
-
- void
- after_allocation_default()
- {
-
- }
-
- void
- before_allocation_default()
- {
-
- }
-
- void
- set_output_arch_default()
- {
- /* 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;
- {
- info_msg ("%S SYSLIB ignored\n");
- }
-
- /*ARGSUSED*/
- void
- hll_default(ignore)
- char *ignore;
- {
- info_msg ("%S HLL ignored\n");
- }
-
- ld_emulation_xfer_type *ld_emulations[] = { EMULATION_LIST };
-
- void
- 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: unrecognised emulation mode: %s\n", target);
- einfo ("Supported emulations: ", program_name);
- ldemul_list_emulations (stderr);
- einfo ("%F\n");
- }
-
- void
- ldemul_list_emulations (f)
- FILE *f;
- {
- ld_emulation_xfer_type **eptr = ld_emulations;
- boolean first = true;
-
- for (; *eptr; eptr++)
- {
- if (first)
- first = false;
- else
- fprintf (f, " ");
- fprintf (f, "%s", (*eptr)->emulation_name);
- }
- }
-