mirror of
https://sourceware.org/git/binutils-gdb.git
synced 2024-12-03 04:12:10 +08:00
3bcf55573d
(ldemul_parse_args): Return bfd_boolean. Formatting. * ldemul.h (ldemul_add_options, ldemul_handle_option): Declare. (ldemul_parse_args): Adjust. (struct ld_emulation_xfer_struct): Add add_options and handle_option. Return bfd_boolean from parse_args. * lexsup.c (parse_args): Malloc shortopts, longopts and really_longopts. Call ldemul_add_options and ldemul_handle_option. * emultempl/aix.em (gld${EMULATION_NAME}_add_options): Split out from gld${EMULATION_NAME}_parse_args. (gld${EMULATION_NAME}_handle_option): Likewise. (ld_${EMULATION_NAME}_emulation): Adjust initializer. * emultempl/armcoff.em: As for aix.em, but remove parse_args. * emultempl/beos.em: Likewise. * emultempl/pe.em: Likewise. * emultempl/ticoff.em: Likewise. * emultempl/elf32.em: Likewise. Don't duplicate long options either. (gld${EMULATION_NAME}_add_sysroot): Prototype. * emultempl/armelf.em (PARSE_AND_LIST_LONGOPTS): Don't duplicate options. * emultempl/hppaelf.em (PARSE_AND_LIST_LONGOPTS): Likewise. * emultempl/ppc32elf.em (PARSE_AND_LIST_LONGOPTS): Likewise. * emultempl/ppc64elf.em (PARSE_AND_LIST_LONGOPTS): Likewise. * emultempl/armelf_oabi.em (ld_${EMULATION_NAME}_emulation): Adjust initializer. * emultempl/generic.em: Likewise. * emultempl/gld960.em: Likewise. * emultempl/gld960c.em: Likewise. * emultempl/linux.em: Likewise. * emultempl/lnk960.em: Likewise. * emultempl/m68kcoff.em: Likewise. * emultempl/mipsecoff.em: Likewise. * emultempl/sunos.em: Likewise. * emultempl/vanilla.em: Likewise. * emultempl/netbsd.em (gldnetbsd_before_parse): Prototype.
230 lines
6.8 KiB
Plaintext
230 lines
6.8 KiB
Plaintext
# This shell script emits a C file. -*- C -*-
|
|
# It does some substitutions.
|
|
if [ -z "$MACHINE" ]; then
|
|
OUTPUT_ARCH=${ARCH}
|
|
else
|
|
OUTPUT_ARCH=${ARCH}:${MACHINE}
|
|
fi
|
|
cat >e${EMULATION_NAME}.c <<EOF
|
|
/* This file is is generated by a shell script. DO NOT EDIT! */
|
|
|
|
/* Linux a.out emulation code for ${EMULATION_NAME}
|
|
Copyright 1991, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2002, 2003
|
|
Free Software Foundation, Inc.
|
|
Written by Steve Chamberlain <sac@cygnus.com>
|
|
Linux support by Eric Youngdale <ericy@cais.cais.com>
|
|
|
|
This file is part of GLD, the Gnu Linker.
|
|
|
|
This program is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation; either version 2 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program; if not, write to the Free Software
|
|
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
|
|
|
|
#define TARGET_IS_${EMULATION_NAME}
|
|
|
|
#include "bfd.h"
|
|
#include "sysdep.h"
|
|
#include "bfdlink.h"
|
|
|
|
#include "ld.h"
|
|
#include "ldmain.h"
|
|
#include "ldmisc.h"
|
|
#include "ldexp.h"
|
|
#include "ldlang.h"
|
|
#include "ldfile.h"
|
|
#include "ldemul.h"
|
|
|
|
static void gld${EMULATION_NAME}_before_parse PARAMS ((void));
|
|
static bfd_boolean gld${EMULATION_NAME}_open_dynamic_archive
|
|
PARAMS ((const char *, search_dirs_type *, lang_input_statement_type *));
|
|
static void gld${EMULATION_NAME}_find_address_statement
|
|
PARAMS ((lang_statement_union_type *));
|
|
static void gld${EMULATION_NAME}_create_output_section_statements
|
|
PARAMS ((void));
|
|
static void gld${EMULATION_NAME}_before_allocation PARAMS ((void));
|
|
static char *gld${EMULATION_NAME}_get_script PARAMS ((int *isfile));
|
|
|
|
static void
|
|
gld${EMULATION_NAME}_before_parse()
|
|
{
|
|
const bfd_arch_info_type *arch = bfd_scan_arch ("${OUTPUT_ARCH}");
|
|
if (arch)
|
|
{
|
|
ldfile_output_architecture = arch->arch;
|
|
ldfile_output_machine = arch->mach;
|
|
ldfile_output_machine_name = arch->printable_name;
|
|
}
|
|
else
|
|
ldfile_output_architecture = bfd_arch_${ARCH};
|
|
config.dynamic_link = TRUE;
|
|
config.has_shared = TRUE;
|
|
}
|
|
|
|
/* Try to open a dynamic archive. This is where we know that Linux
|
|
dynamic libraries have an extension of .sa. */
|
|
|
|
static bfd_boolean
|
|
gld${EMULATION_NAME}_open_dynamic_archive (arch, search, entry)
|
|
const char *arch;
|
|
search_dirs_type *search;
|
|
lang_input_statement_type *entry;
|
|
{
|
|
char *string;
|
|
|
|
if (! entry->is_archive)
|
|
return FALSE;
|
|
|
|
string = (char *) xmalloc (strlen (search->name)
|
|
+ strlen (entry->filename)
|
|
+ strlen (arch)
|
|
+ sizeof "/lib.sa");
|
|
|
|
sprintf (string, "%s/lib%s%s.sa", search->name, entry->filename, arch);
|
|
|
|
if (! ldfile_try_open_bfd (string, entry))
|
|
{
|
|
free (string);
|
|
return FALSE;
|
|
}
|
|
|
|
entry->filename = string;
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
/* This is called by the create_output_section_statements routine via
|
|
lang_for_each_statement. It locates any address assignment to
|
|
.text, and modifies it to include the size of the headers. This
|
|
causes -Ttext to mean the starting address of the header, rather
|
|
than the starting address of .text, which is compatible with other
|
|
Linux tools. */
|
|
|
|
static void
|
|
gld${EMULATION_NAME}_find_address_statement (s)
|
|
lang_statement_union_type *s;
|
|
{
|
|
if (s->header.type == lang_address_statement_enum
|
|
&& strcmp (s->address_statement.section_name, ".text") == 0)
|
|
{
|
|
ASSERT (s->address_statement.address->type.node_class == etree_value);
|
|
s->address_statement.address->value.value += 0x20;
|
|
}
|
|
}
|
|
|
|
/* This is called before opening the input BFD's. */
|
|
|
|
static void
|
|
gld${EMULATION_NAME}_create_output_section_statements ()
|
|
{
|
|
lang_for_each_statement (gld${EMULATION_NAME}_find_address_statement);
|
|
}
|
|
|
|
/* This is called after the sections have been attached to output
|
|
sections, but before any sizes or addresses have been set. */
|
|
|
|
static void
|
|
gld${EMULATION_NAME}_before_allocation ()
|
|
{
|
|
if (link_info.relocateable)
|
|
return;
|
|
|
|
/* Let the backend work out the sizes of any sections required by
|
|
dynamic linking. */
|
|
if (! bfd_${EMULATION_NAME}_size_dynamic_sections (output_bfd, &link_info))
|
|
einfo ("%P%F: failed to set dynamic section sizes: %E\n");
|
|
}
|
|
|
|
static char *
|
|
gld${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 && config.build_constructors)
|
|
return
|
|
EOF
|
|
sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c
|
|
echo ' ; else if (link_info.relocateable) return' >> e${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${EMULATION_NAME}.c <<EOF
|
|
{
|
|
*isfile = 1;
|
|
|
|
if (link_info.relocateable && config.build_constructors)
|
|
return "ldscripts/${EMULATION_NAME}.xu";
|
|
else if (link_info.relocateable)
|
|
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${EMULATION_NAME}_before_parse,
|
|
syslib_default,
|
|
hll_default,
|
|
after_parse_default,
|
|
after_open_default,
|
|
after_allocation_default,
|
|
set_output_arch_default,
|
|
ldemul_default_target,
|
|
gld${EMULATION_NAME}_before_allocation,
|
|
gld${EMULATION_NAME}_get_script,
|
|
"${EMULATION_NAME}",
|
|
"${OUTPUT_FORMAT}",
|
|
NULL, /* finish */
|
|
gld${EMULATION_NAME}_create_output_section_statements,
|
|
gld${EMULATION_NAME}_open_dynamic_archive,
|
|
NULL, /* place orphan */
|
|
NULL, /* set symbols */
|
|
NULL, /* parse args */
|
|
NULL, /* add_options */
|
|
NULL, /* handle_option */
|
|
NULL, /* unrecognized file */
|
|
NULL, /* list options */
|
|
NULL, /* recognized file */
|
|
NULL, /* find_potential_libraries */
|
|
NULL /* new_vers_pattern */
|
|
};
|
|
EOF
|