1999-05-03 09:29:11 +02:00
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/* ldemul.c -- clearing house for ld emulation states
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1999-07-11 22:09:04 +02:00
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Copyright (C) 1991, 92, 93, 94, 95, 96, 97, 98, 1999
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Free Software Foundation, Inc.
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1999-05-03 09:29:11 +02:00
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This file is part of GLD, the Gnu Linker.
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GLD is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GLD is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GLD; see the file COPYING. If not, write to
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the Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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#include "bfd.h"
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#include "sysdep.h"
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#include "ld.h"
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#include "ldemul.h"
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#include "ldmisc.h"
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#include "ldexp.h"
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#include "ldlang.h"
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#include "ldfile.h"
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#include "ldmain.h"
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#include "ldemul-list.h"
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ld_emulation_xfer_type *ld_emulation;
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void
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ldemul_hll(name)
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char *name;
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{
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ld_emulation->hll(name);
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}
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void ldemul_syslib(name)
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char *name;
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{
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ld_emulation->syslib(name);
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}
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void
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ldemul_after_parse()
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{
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ld_emulation->after_parse();
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}
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void
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ldemul_before_parse()
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{
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ld_emulation->before_parse();
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}
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void
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ldemul_after_open ()
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{
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ld_emulation->after_open ();
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}
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void
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ldemul_after_allocation()
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{
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ld_emulation->after_allocation();
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}
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void
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ldemul_before_allocation()
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{
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if (ld_emulation->before_allocation)
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ld_emulation->before_allocation();
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}
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void
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ldemul_set_output_arch()
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{
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ld_emulation->set_output_arch();
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}
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void
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ldemul_finish()
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{
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if (ld_emulation->finish)
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ld_emulation->finish();
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}
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void
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ldemul_set_symbols()
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{
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if (ld_emulation->set_symbols)
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ld_emulation->set_symbols();
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}
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void
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ldemul_create_output_section_statements()
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{
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if (ld_emulation->create_output_section_statements)
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ld_emulation->create_output_section_statements();
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}
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char *
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ldemul_get_script(isfile)
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int *isfile;
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{
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return ld_emulation->get_script(isfile);
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}
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boolean
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ldemul_open_dynamic_archive (arch, search, entry)
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const char *arch;
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search_dirs_type *search;
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lang_input_statement_type *entry;
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{
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if (ld_emulation->open_dynamic_archive)
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return (*ld_emulation->open_dynamic_archive) (arch, search, entry);
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return false;
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}
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boolean
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ldemul_place_orphan (file, s)
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lang_input_statement_type *file;
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asection *s;
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{
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if (ld_emulation->place_orphan)
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return (*ld_emulation->place_orphan) (file, s);
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return false;
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}
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int
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ldemul_parse_args (argc, argv)
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int argc;
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char **argv;
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{
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/* Try and use the emulation parser if there is one. */
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if (ld_emulation->parse_args)
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{
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return ld_emulation->parse_args (argc, argv);
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}
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return 0;
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}
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/* Let the emulation code handle an unrecognized file. */
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boolean
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ldemul_unrecognized_file (entry)
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lang_input_statement_type *entry;
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{
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if (ld_emulation->unrecognized_file)
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return (*ld_emulation->unrecognized_file) (entry);
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return false;
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}
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/* Let the emulation code handle a recognized file. */
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boolean
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ldemul_recognized_file (entry)
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lang_input_statement_type *entry;
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{
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if (ld_emulation->recognized_file)
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return (*ld_emulation->recognized_file) (entry);
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return false;
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}
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char *
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ldemul_choose_target()
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{
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return ld_emulation->choose_target();
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}
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/* The default choose_target function. */
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char *
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ldemul_default_target()
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{
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char *from_outside = getenv (TARGET_ENVIRON);
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if (from_outside != (char *)NULL)
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return from_outside;
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return ld_emulation->target_name;
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}
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void
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after_parse_default()
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{
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}
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void
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after_open_default ()
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{
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}
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void
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after_allocation_default()
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{
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}
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void
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before_allocation_default()
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{
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}
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void
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set_output_arch_default()
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{
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/* Set the output architecture and machine if possible */
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bfd_set_arch_mach(output_bfd,
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ldfile_output_architecture, ldfile_output_machine);
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}
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/*ARGSUSED*/
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void
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syslib_default(ignore)
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1999-07-11 22:09:04 +02:00
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char *ignore ATTRIBUTE_UNUSED;
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1999-05-03 09:29:11 +02:00
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{
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info_msg (_("%S SYSLIB ignored\n"));
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}
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/*ARGSUSED*/
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void
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hll_default(ignore)
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1999-07-11 22:09:04 +02:00
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char *ignore ATTRIBUTE_UNUSED;
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1999-05-03 09:29:11 +02:00
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{
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info_msg (_("%S HLL ignored\n"));
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}
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ld_emulation_xfer_type *ld_emulations[] = { EMULATION_LIST };
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void
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ldemul_choose_mode(target)
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char *target;
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{
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ld_emulation_xfer_type **eptr = ld_emulations;
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/* Ignore "gld" prefix. */
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if (target[0] == 'g' && target[1] == 'l' && target[2] == 'd')
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target += 3;
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for (; *eptr; eptr++)
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{
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if (strcmp(target, (*eptr)->emulation_name) == 0)
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{
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ld_emulation = *eptr;
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return;
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}
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}
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einfo (_("%P: unrecognised emulation mode: %s\n"), target);
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einfo (_("Supported emulations: "));
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ldemul_list_emulations (stderr);
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einfo ("%F\n");
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}
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void
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ldemul_list_emulations (f)
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FILE *f;
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{
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ld_emulation_xfer_type **eptr = ld_emulations;
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boolean first = true;
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for (; *eptr; eptr++)
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{
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if (first)
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first = false;
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else
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fprintf (f, " ");
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fprintf (f, "%s", (*eptr)->emulation_name);
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}
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}
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void
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ldemul_list_emulation_options (f)
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FILE * f;
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{
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ld_emulation_xfer_type ** eptr;
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int options_found = 0;
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for (eptr = ld_emulations; * eptr; eptr ++)
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{
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ld_emulation_xfer_type * emul = * eptr;
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if (emul->list_options)
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{
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fprintf (f, "%s: \n", emul->emulation_name);
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emul->list_options (f);
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options_found = 1;
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}
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}
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if (! options_found)
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fprintf (f, _(" no emulation specific options.\n"));
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}
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2000-02-24 18:53:12 +01:00
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int
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ldemul_find_potential_libraries (name, entry)
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char * name;
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lang_input_statement_type * entry;
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{
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if (ld_emulation->find_potential_libraries)
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return ld_emulation->find_potential_libraries (name, entry);
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return 0;
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}
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