+++ /dev/null
-# This shell script emits a C file. -*- C -*-
-# It does some substitutions.
-fragment <<EOF
-/* This file is is generated by a shell script. DO NOT EDIT! */
-
-/* emulate the original gld for the given ${EMULATION_NAME}
- Copyright (C) 1991-2022 Free Software Foundation, Inc.
- Written by Steve Chamberlain steve@cygnus.com
-
- This file is part of the GNU Binutils.
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 3 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
- MA 02110-1301, USA. */
-
-#define TARGET_IS_${EMULATION_NAME}
-
-#include "sysdep.h"
-#include "bfd.h"
-#include "bfdlink.h"
-#include "ctf-api.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"
-
-/* If TRUE, then interworking stubs which support calls to old,
- non-interworking aware ARM code should be generated. */
-
-static int support_old_code = 0;
-static char * thumb_entry_symbol = NULL;
-
-#define OPTION_SUPPORT_OLD_CODE 300
-#define OPTION_THUMB_ENTRY 301
-
-static void
-gld${EMULATION_NAME}_add_options
- (int ns ATTRIBUTE_UNUSED, char **shortopts ATTRIBUTE_UNUSED, int nl,
- struct option **longopts, int nrl ATTRIBUTE_UNUSED,
- struct option **really_longopts ATTRIBUTE_UNUSED)
-{
- static const struct option xtra_long[] = {
- {"support-old-code", no_argument, NULL, OPTION_SUPPORT_OLD_CODE},
- {"thumb-entry", required_argument, NULL, OPTION_THUMB_ENTRY},
- {NULL, no_argument, NULL, 0}
- };
-
- *longopts = xrealloc (*longopts,
- nl * sizeof (struct option) + sizeof (xtra_long));
- memcpy (*longopts + nl, &xtra_long, sizeof (xtra_long));
-}
-
-static void
-gld${EMULATION_NAME}_list_options (FILE *file)
-{
- fprintf (file, _(" --support-old-code Support interworking with old code\n"));
- fprintf (file, _(" --thumb-entry=<sym> Set the entry point to be Thumb symbol <sym>\n"));
-}
-
-static bool
-gld${EMULATION_NAME}_handle_option (int optc)
-{
- switch (optc)
- {
- default:
- return false;
-
- case OPTION_SUPPORT_OLD_CODE:
- support_old_code = 1;
- break;
-
- case OPTION_THUMB_ENTRY:
- thumb_entry_symbol = optarg;
- break;
- }
-
- return true;
-}
-\f
-static void
-gld${EMULATION_NAME}_before_parse (void)
-{
-#ifndef TARGET_ /* I.e., if not generic. */
- ldfile_set_output_arch ("`echo ${ARCH}`", bfd_arch_unknown);
-#endif /* not TARGET_ */
-}
-
-/* This is called after the sections have been attached to output
- sections, but before any sizes or addresses have been set. */
-
-static void
-gld${EMULATION_NAME}_before_allocation (void)
-{
- /* we should be able to set the size of the interworking stub section */
-
- /* Here we rummage through the found bfds to collect glue information */
- /* FIXME: should this be based on a command line option? krk@cygnus.com */
- {
- LANG_FOR_EACH_INPUT_STATEMENT (is)
- {
- if (! bfd_arm_process_before_allocation
- (is->the_bfd, & link_info, support_old_code))
- {
- /* xgettext:c-format */
- einfo (_("%P: errors encountered processing file %s\n"),
- is->filename);
- }
- }
- }
-
- /* We have seen it all. Allocate it, and carry on */
- bfd_arm_allocate_interworking_sections (& link_info);
-
- before_allocation_default ();
-}
-
-static void
-gld${EMULATION_NAME}_after_open (void)
-{
- after_open_default ();
-
- if (strstr (bfd_get_target (link_info.output_bfd), "arm") == NULL)
- {
- /* The arm backend needs special fields in the output hash structure.
- These will only be created if the output format is an arm format,
- hence we do not support linking and changing output formats at the
- same time. Use a link followed by objcopy to change output formats. */
- einfo (_("%F%P: error: cannot change output format "
- "whilst linking %s binaries\n"), "ARM");
- return;
- }
-
- {
- LANG_FOR_EACH_INPUT_STATEMENT (is)
- {
- if (bfd_arm_get_bfd_for_interworking (is->the_bfd, & link_info))
- break;
- }
- }
-}
-
-static void
-gld${EMULATION_NAME}_finish (void)
-{
- if (thumb_entry_symbol != NULL)
- {
- struct bfd_link_hash_entry * h;
-
- h = bfd_link_hash_lookup (link_info.hash, thumb_entry_symbol,
- false, false, true);
-
- if (h != (struct bfd_link_hash_entry *) NULL
- && (h->type == bfd_link_hash_defined
- || h->type == bfd_link_hash_defweak)
- && h->u.def.section->output_section != NULL)
- {
- static char buffer[32];
- bfd_vma val;
-
- /* Special procesing is required for a Thumb entry symbol. The
- bottom bit of its address must be set. */
- val = (h->u.def.value
- + bfd_section_vma (h->u.def.section->output_section)
- + h->u.def.section->output_offset);
-
- val |= 1;
-
- /* Now convert this value into a string and store it in entry_symbol
- where the lang_finish() function will pick it up. */
- buffer[0] = '0';
- buffer[1] = 'x';
-
- sprintf_vma (buffer + 2, val);
-
- if (entry_symbol.name != NULL && entry_from_cmdline)
- einfo (_("%P: warning: '--thumb-entry %s' is overriding '-e %s'\n"),
- thumb_entry_symbol, entry_symbol.name);
- entry_symbol.name = buffer;
- }
- else
- einfo (_("%P: warning: cannot find thumb start symbol %s\n"),
- thumb_entry_symbol);
- }
-
- finish_default ();
-}
-
-static char *
-gld${EMULATION_NAME}_get_script (int *isfile)
-EOF
-
-if test x"$COMPILE_IN" = xyes
-then
-# Scripts compiled in.
-
-# sed commands to quote an ld script as a C string.
-sc="-f stringify.sed"
-
-fragment <<EOF
-{
- *isfile = 0;
-
- if (bfd_link_relocatable (&link_info) && config.build_constructors)
- return
-EOF
-sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c
-echo ' ; else if (bfd_link_relocatable (&link_info)) return' >> e${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.
-
-fragment <<EOF
-{
- *isfile = 1;
-
- if (bfd_link_relocatable (&link_info) && config.build_constructors)
- return "ldscripts/${EMULATION_NAME}.xu";
- else if (bfd_link_relocatable (&link_info))
- return "ldscripts/${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/${EMULATION_NAME}.x";
-}
-EOF
-
-fi
-
-fragment <<EOF
-
-struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation =
-{
- gld${EMULATION_NAME}_before_parse,
- syslib_default,
- hll_default,
- after_parse_default,
- gld${EMULATION_NAME}_after_open,
- after_check_relocs_default,
- before_place_orphans_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}",
- gld${EMULATION_NAME}_finish,
- NULL, /* create output section statements */
- NULL, /* open dynamic archive */
- NULL, /* place orphan */
- NULL, /* set symbols */
- NULL, /* parse_args */
- gld${EMULATION_NAME}_add_options,
- gld${EMULATION_NAME}_handle_option,
- NULL, /* unrecognised file */
- gld${EMULATION_NAME}_list_options,
- NULL, /* recognized file */
- NULL, /* find_potential_libraries */
- NULL, /* new_vers_pattern */
- NULL, /* extra_map_file_text */
- ${LDEMUL_EMIT_CTF_EARLY-NULL},
- ${LDEMUL_ACQUIRE_STRINGS_FOR_CTF-NULL},
- ${LDEMUL_NEW_DYNSYM_FOR_CTF-NULL},
- ${LDEMUL_PRINT_SYMBOL-NULL}
-};
-EOF
projects / binutils-gdb.git / commitdiff