179 lines
5.4 KiB
Plaintext
179 lines
5.4 KiB
Plaintext
# This shell script emits a C file. -*- C -*-
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# It does some substitutions.
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cat >e${EMULATION_NAME}.c <<EOF
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/* This file is is generated by a shell script. DO NOT EDIT! */
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/* emulate the original gld for the given ${EMULATION_NAME}
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Copyright (C) 1991, 93, 96, 97, 98, 99, 2000
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Free Software Foundation, Inc.
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Written by Steve Chamberlain steve@cygnus.com
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This file is part of GLD, the Gnu Linker.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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#define TARGET_IS_${EMULATION_NAME}
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#define bfd_elf32_arm_allocate_interworking_sections \
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bfd_elf32_arm_oabi_allocate_interworking_sections
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#define bfd_elf32_arm_get_bfd_for_interworking \
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bfd_elf32_arm_oabi_get_bfd_for_interworking
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#define bfd_elf32_arm_process_before_allocation \
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bfd_elf32_arm_oabi_process_before_allocation
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#include "bfd.h"
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#include "sysdep.h"
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#include "bfdlink.h"
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#include "getopt.h"
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#include "ld.h"
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#include "ldmain.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 "ldemul.h"
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static void gld${EMULATION_NAME}_before_parse PARAMS ((void));
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static void gld${EMULATION_NAME}_before_allocation PARAMS ((void));
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static char *gld${EMULATION_NAME}_get_script PARAMS ((int *isfile));
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static void
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gld${EMULATION_NAME}_before_parse ()
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{
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#ifndef TARGET_ /* I.e., if not generic. */
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ldfile_set_output_arch ("`echo ${ARCH}`");
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#endif /* not TARGET_ */
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}
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/* This is called after the sections have been attached to output
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sections, but before any sizes or addresses have been set. */
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static void
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gld${EMULATION_NAME}_before_allocation ()
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{
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/* we should be able to set the size of the interworking stub section */
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/* Here we rummage through the found bfds to collect glue information */
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/* FIXME: should this be based on a command line option? krk@cygnus.com */
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{
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LANG_FOR_EACH_INPUT_STATEMENT (is)
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{
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if (!bfd_elf32_arm_process_before_allocation (is->the_bfd, &link_info, 0))
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{
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/* xgettext:c-format */
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einfo (_("Errors encountered processing file %s"), is->filename);
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}
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}
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}
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/* We have seen it all. Allocate it, and carry on */
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bfd_elf32_arm_allocate_interworking_sections (& link_info);
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}
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static void
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gld${EMULATION_NAME}_after_open ()
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{
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LANG_FOR_EACH_INPUT_STATEMENT (is)
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{
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/* The interworking bfd must be the last one to be processed */
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if (!is->next)
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bfd_elf32_arm_get_bfd_for_interworking (is->the_bfd, & link_info);
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}
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}
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static char *
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gld${EMULATION_NAME}_get_script (isfile)
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int *isfile;
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EOF
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if test -n "$COMPILE_IN"
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then
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# Scripts compiled in.
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# sed commands to quote an ld script as a C string.
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sc="-f stringify.sed"
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cat >>e${EMULATION_NAME}.c <<EOF
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{
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*isfile = 0;
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if (link_info.relocateable == true && config.build_constructors == true)
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return
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EOF
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sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c
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echo ' ; else if (link_info.relocateable == true) return' >> e${EMULATION_NAME}.c
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sed $sc ldscripts/${EMULATION_NAME}.xr >> e${EMULATION_NAME}.c
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echo ' ; else if (!config.text_read_only) return' >> e${EMULATION_NAME}.c
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sed $sc ldscripts/${EMULATION_NAME}.xbn >> e${EMULATION_NAME}.c
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echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c
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sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c
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echo ' ; else return' >> e${EMULATION_NAME}.c
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sed $sc ldscripts/${EMULATION_NAME}.x >> e${EMULATION_NAME}.c
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echo '; }' >> e${EMULATION_NAME}.c
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else
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# Scripts read from the filesystem.
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cat >>e${EMULATION_NAME}.c <<EOF
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{
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*isfile = 1;
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if (link_info.relocateable == true && config.build_constructors == true)
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return "ldscripts/${EMULATION_NAME}.xu";
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else if (link_info.relocateable == true)
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return "ldscripts/${EMULATION_NAME}.xr";
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else if (!config.text_read_only)
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return "ldscripts/${EMULATION_NAME}.xbn";
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else if (!config.magic_demand_paged)
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return "ldscripts/${EMULATION_NAME}.xn";
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else
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return "ldscripts/${EMULATION_NAME}.x";
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}
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EOF
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fi
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cat >>e${EMULATION_NAME}.c <<EOF
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struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation =
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{
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gld${EMULATION_NAME}_before_parse,
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syslib_default,
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hll_default,
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after_parse_default,
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gld${EMULATION_NAME}_after_open,
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after_allocation_default,
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set_output_arch_default,
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ldemul_default_target,
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gld${EMULATION_NAME}_before_allocation,
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gld${EMULATION_NAME}_get_script,
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"${EMULATION_NAME}",
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"${OUTPUT_FORMAT}",
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NULL, /* finish */
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NULL, /* create output section statements */
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NULL, /* open dynamic archive */
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NULL, /* place orphan */
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NULL, /* set symbols */
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NULL, /* parse args */
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NULL, /* unrecognized file */
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NULL, /* list options */
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NULL, /* recognized file */
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NULL /* find_potential_libraries */
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};
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EOF
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