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/* 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);
}
}
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