-/* Copyright (C) 1991 Free Software Foundation, Inc.
+/* ldemul.c -- clearing house for ld emulation states
+ Copyright (C) 1991, 92, 93, 94, 95, 96, 97, 98, 99, 2000
+ 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 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,
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. */
-
-/*
- * $Id$
- */
-
-/*
- * clearing house for ld emulation states
- */
+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"
-
-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;
-
+#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)
-char *name;
+ char *name;
{
ld_emulation->hll(name);
}
void ldemul_syslib(name)
-char *name;
+ char *name;
{
ld_emulation->syslib(name);
}
ld_emulation->before_parse();
}
+void
+ldemul_after_open ()
+{
+ ld_emulation->after_open ();
+}
+
void
ldemul_after_allocation()
{
void
ldemul_before_allocation()
{
- if (ld_emulation->before_allocation) {
+ if (ld_emulation->before_allocation)
ld_emulation->before_allocation();
- }
}
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;
+}
+
+/* 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()
{
return ld_emulation->choose_target();
}
+/* The default choose_target function. */
+
char *
-ldemul_get_script()
+ldemul_default_target()
{
- return ld_emulation->get_script();
+ 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_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 ATTRIBUTE_UNUSED;
+{
+ info_msg (_("%S SYSLIB ignored\n"));
+}
+
+/*ARGSUSED*/
+void
+hll_default(ignore)
+ char *ignore ATTRIBUTE_UNUSED;
+{
+ info_msg (_("%S HLL ignored\n"));
+}
+
+ld_emulation_xfer_type *ld_emulations[] = { EMULATION_LIST };
+
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);
- }
+ 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 (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);
+ }
+}
+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;
+}
projects / deliverable / binutils-gdb.git / blobdiff