289 lines
7.8 KiB
Plaintext
289 lines
7.8 KiB
Plaintext
# This shell script emits a C file. -*- C -*-
|
|
# It does some substitutions.
|
|
cat >e${EMULATION_NAME}.c <<EOF
|
|
/* This file is is generated by a shell script. DO NOT EDIT! */
|
|
|
|
/* emulate the original gld for the given ${EMULATION_NAME}
|
|
Copyright (C) 1991, 1993 Free Software Foundation, Inc.
|
|
Written by Steve Chamberlain steve@cygnus.com
|
|
|
|
This file is part of GLD, the Gnu Linker.
|
|
|
|
This program is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation; either version 2 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program; if not, write to the Free Software
|
|
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
|
|
|
|
#define TARGET_IS_${EMULATION_NAME}
|
|
|
|
#include "bfd.h"
|
|
#include "sysdep.h"
|
|
#include "bfdlink.h"
|
|
#include "getopt.h"
|
|
|
|
#include "ld.h"
|
|
#include "ldmain.h"
|
|
#include "ldmisc.h"
|
|
#include "ldexp.h"
|
|
#include "ldlang.h"
|
|
#include "ldfile.h"
|
|
#include "ldemul.h"
|
|
#include "ldctor.h"
|
|
|
|
#include "libamiga.h"
|
|
|
|
/* shared functions */
|
|
void amiga_add_options PARAMS ((int, char **, int, struct option **, int, struct option **));
|
|
bfd_boolean amiga_handle_option PARAMS ((int));
|
|
void amiga_after_parse PARAMS ((void));
|
|
void amiga_after_open PARAMS ((void));
|
|
void amiga_after_allocation PARAMS ((void));
|
|
|
|
/* amigaoslink.c variables */
|
|
|
|
/* 1 means, write out debug hunk, when producing a load file */
|
|
extern int write_debug_hunk;
|
|
|
|
/* This is the attribute to use for the next file */
|
|
extern int amiga_attribute;
|
|
|
|
/* generate a combined data+bss hunk */
|
|
extern int amiga_base_relative;
|
|
|
|
/* generate a resident executable */
|
|
extern int amiga_resident;
|
|
|
|
static void gld${EMULATION_NAME}_before_parse PARAMS ((void));
|
|
static char *gld${EMULATION_NAME}_get_script PARAMS ((int *isfile));
|
|
|
|
#if defined(TARGET_IS_amiga)
|
|
|
|
/* Handle amiga specific options */
|
|
|
|
enum {
|
|
OPTION_IGNORE = 300,
|
|
OPTION_AMIGA_CHIP,
|
|
OPTION_AMIGA_FAST,
|
|
OPTION_AMIGA_ATTRIBUTE,
|
|
OPTION_AMIGA_DEBUG,
|
|
OPTION_AMIGA_DATABSS_TOGETHER,
|
|
OPTION_AMIGA_DATADATA_RELOC,
|
|
OPTION_FLAVOR
|
|
};
|
|
|
|
void
|
|
amiga_add_options (ns, shortopts, nl, longopts, nrl, really_longopts)
|
|
int ns ATTRIBUTE_UNUSED;
|
|
char **shortopts ATTRIBUTE_UNUSED;
|
|
int nl;
|
|
struct option **longopts;
|
|
int nrl ATTRIBUTE_UNUSED;
|
|
struct option **really_longopts ATTRIBUTE_UNUSED;
|
|
{
|
|
static const struct option xtra_long[] = {
|
|
{"flavor", required_argument, NULL, OPTION_FLAVOR},
|
|
{"amiga-datadata-reloc", no_argument, NULL, OPTION_AMIGA_DATADATA_RELOC},
|
|
{"amiga-databss-together", no_argument, NULL, OPTION_AMIGA_DATABSS_TOGETHER},
|
|
{"amiga-debug-hunk", no_argument, NULL, OPTION_AMIGA_DEBUG},
|
|
{"attribute", required_argument, NULL, OPTION_AMIGA_ATTRIBUTE},
|
|
{"fast", no_argument, NULL, OPTION_AMIGA_FAST},
|
|
{"chip", no_argument, NULL, OPTION_AMIGA_CHIP},
|
|
{NULL, no_argument, NULL, 0}
|
|
};
|
|
|
|
*longopts = (struct option *)
|
|
xrealloc (*longopts, nl * sizeof (struct option) + sizeof (xtra_long));
|
|
memcpy (*longopts + nl, &xtra_long, sizeof (xtra_long));
|
|
}
|
|
|
|
bfd_boolean
|
|
amiga_handle_option (optc)
|
|
int optc;
|
|
{
|
|
switch (optc)
|
|
{
|
|
default:
|
|
return FALSE;
|
|
|
|
case 0:
|
|
/* Long option which just sets a flag. */
|
|
break;
|
|
|
|
case OPTION_AMIGA_CHIP:
|
|
amiga_attribute = MEMF_CHIP;
|
|
break;
|
|
|
|
case OPTION_AMIGA_FAST:
|
|
amiga_attribute = MEMF_FAST;
|
|
break;
|
|
|
|
case OPTION_AMIGA_ATTRIBUTE:
|
|
{
|
|
char *end;
|
|
amiga_attribute = strtoul (optarg, &end, 0);
|
|
if (*end)
|
|
einfo ("%P%F: invalid number \`%s\'\n", optarg);
|
|
}
|
|
break;
|
|
|
|
case OPTION_AMIGA_DEBUG:
|
|
write_debug_hunk = 1; /* Write out debug hunk */
|
|
break;
|
|
|
|
case OPTION_AMIGA_DATABSS_TOGETHER:
|
|
amiga_base_relative = 1; /* Combine data and bss */
|
|
break;
|
|
|
|
case OPTION_AMIGA_DATADATA_RELOC:
|
|
amiga_resident = 1; /* Write out datadata_reloc array */
|
|
break;
|
|
|
|
case OPTION_FLAVOR:
|
|
ldfile_add_flavor (optarg);
|
|
break;
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
void
|
|
amiga_after_parse ()
|
|
{
|
|
ldfile_sort_flavors();
|
|
}
|
|
|
|
void
|
|
amiga_after_open ()
|
|
{
|
|
ldctor_build_sets ();
|
|
}
|
|
|
|
static void
|
|
amiga_assign_attribute (inp)
|
|
lang_input_statement_type *inp;
|
|
{
|
|
asection *s;
|
|
|
|
if (bfd_get_flavour(inp->the_bfd)==bfd_target_amiga_flavour)
|
|
{
|
|
for (s=inp->the_bfd->sections;s!=NULL;s=s->next)
|
|
amiga_per_section(s)->attribute=inp->amiga_attribute;
|
|
}
|
|
}
|
|
|
|
void
|
|
amiga_after_allocation ()
|
|
{
|
|
if (0) /* Does not work at the moment */
|
|
lang_for_each_input_file (amiga_assign_attribute);
|
|
}
|
|
|
|
#endif
|
|
|
|
static void
|
|
gld${EMULATION_NAME}_before_parse ()
|
|
{
|
|
write_debug_hunk = 0;
|
|
|
|
#if defined(TARGET_IS_amiga_bss)
|
|
amiga_base_relative = 1;
|
|
#endif
|
|
|
|
#ifndef TARGET_ /* I.e., if not generic. */
|
|
ldfile_output_architecture = bfd_arch_${ARCH};
|
|
#endif /* not TARGET_ */
|
|
}
|
|
|
|
static char *
|
|
gld${EMULATION_NAME}_get_script (isfile)
|
|
int *isfile;
|
|
EOF
|
|
|
|
if test -n "$COMPILE_IN"
|
|
then
|
|
# Scripts compiled in.
|
|
|
|
# sed commands to quote an ld script as a C string.
|
|
sc="-f stringify.sed"
|
|
|
|
cat >>e${EMULATION_NAME}.c <<EOF
|
|
{
|
|
*isfile = 0;
|
|
|
|
if (link_info.relocateable == TRUE && config.build_constructors == TRUE)
|
|
return
|
|
EOF
|
|
sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c
|
|
echo ' ; else if (link_info.relocateable == TRUE) return' >> e${EMULATION_NAME}.c
|
|
sed $sc ldscripts/${EMULATION_NAME}.xr >> e${EMULATION_NAME}.c
|
|
echo ' ; else if (!config.text_read_only) return' >> e${EMULATION_NAME}.c
|
|
sed $sc ldscripts/${EMULATION_NAME}.xbn >> e${EMULATION_NAME}.c
|
|
echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c
|
|
sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c
|
|
echo ' ; else return' >> e${EMULATION_NAME}.c
|
|
sed $sc ldscripts/${EMULATION_NAME}.x >> e${EMULATION_NAME}.c
|
|
echo '; }' >> e${EMULATION_NAME}.c
|
|
|
|
else
|
|
# Scripts read from the filesystem.
|
|
|
|
cat >>e${EMULATION_NAME}.c <<EOF
|
|
{
|
|
*isfile = 1;
|
|
|
|
if (link_info.relocateable == TRUE && config.build_constructors == TRUE)
|
|
return "ldscripts/${EMULATION_NAME}.xu";
|
|
else if (link_info.relocateable == TRUE)
|
|
return "ldscripts/${EMULATION_NAME}.xr";
|
|
else if (!config.text_read_only)
|
|
return "ldscripts/${EMULATION_NAME}.xbn";
|
|
else if (!config.magic_demand_paged)
|
|
return "ldscripts/${EMULATION_NAME}.xn";
|
|
else
|
|
return "ldscripts/${EMULATION_NAME}.x";
|
|
}
|
|
EOF
|
|
|
|
fi
|
|
|
|
cat >>e${EMULATION_NAME}.c <<EOF
|
|
|
|
struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation =
|
|
{
|
|
gld${EMULATION_NAME}_before_parse, /* before_parse */
|
|
syslib_default, /* syslib */
|
|
hll_default, /* hll */
|
|
amiga_after_parse, /* after_parse */
|
|
amiga_after_open, /* after_open */
|
|
amiga_after_allocation, /* after_allocation */
|
|
set_output_arch_default, /* set_output_arch */
|
|
ldemul_default_target, /* choose_target */
|
|
before_allocation_default, /* before_allocation */
|
|
gld${EMULATION_NAME}_get_script, /* get_script */
|
|
"${EMULATION_NAME}", /* emulation_name */
|
|
"${OUTPUT_FORMAT}", /* target_name */
|
|
NULL, /* finish */
|
|
NULL, /* create_output_section_statements */
|
|
NULL, /* open_dynamic_library */
|
|
NULL, /* place_orphan */
|
|
NULL, /* set_symbols */
|
|
NULL, /* parse_args */
|
|
amiga_add_options, /* add_options */
|
|
amiga_handle_option, /* handle_option */
|
|
NULL, /* unrecognized file */
|
|
NULL, /* list_options */
|
|
NULL, /* recognized_file */
|
|
NULL, /* find potential_libraries */
|
|
NULL /* new_vers_pattern */
|
|
};
|
|
EOF
|