diff options
Diffstat (limited to 'x/binutils/ld/emultempl/armelf.em')
| -rw-r--r-- | x/binutils/ld/emultempl/armelf.em | 220 |
1 files changed, 0 insertions, 220 deletions
diff --git a/x/binutils/ld/emultempl/armelf.em b/x/binutils/ld/emultempl/armelf.em deleted file mode 100644 index 0c051ad62b89..000000000000 --- a/x/binutils/ld/emultempl/armelf.em +++ /dev/null @@ -1,220 +0,0 @@ -# This shell script emits a C file. -*- C -*- -# Copyright 1991, 1993, 1996, 1997, 1998, 1999, 2000, 2002, 2003, 2004 -# Free Software Foundation, Inc. -# -# 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. -# - -# This file is sourced from elf32.em, and defines extra arm-elf -# specific routines. -# -cat >>e${EMULATION_NAME}.c <<EOF - -static int no_pipeline_knowledge = 0; -static char *thumb_entry_symbol = NULL; -static bfd *bfd_for_interwork; - -static void -gld${EMULATION_NAME}_before_parse (void) -{ -#ifndef TARGET_ /* I.e., if not generic. */ - ldfile_set_output_arch ("`echo ${ARCH}`", bfd_arch_unknown); -#endif /* not TARGET_ */ - config.dynamic_link = ${DYNAMIC_LINK-TRUE}; - config.has_shared = `if test -n "$GENERATE_SHLIB_SCRIPT" ; then echo TRUE ; else echo FALSE ; fi`; -} - -static void -arm_elf_after_open (void) -{ - if (strstr (bfd_get_target (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%X%P: error: cannot change output format whilst linking ARM binaries\n"); - return; - } - - { - LANG_FOR_EACH_INPUT_STATEMENT (is) - { - bfd_elf32_arm_add_glue_sections_to_bfd (is->the_bfd, & link_info); - } - } - - /* Call the standard elf routine. */ - gld${EMULATION_NAME}_after_open (); -} - -static void -arm_elf_set_bfd_for_interworking (lang_statement_union_type *statement) -{ - if (statement->header.type == lang_input_section_enum - && !statement->input_section.ifile->just_syms_flag) - { - asection *i = statement->input_section.section; - asection *output_section = i->output_section; - - ASSERT (output_section->owner == output_bfd); - - if ((output_section->flags & SEC_HAS_CONTENTS) != 0 - && (i->flags & SEC_NEVER_LOAD) == 0 - && ! i->owner->output_has_begun) - { - bfd_for_interwork = i->owner; - bfd_for_interwork->output_has_begun = TRUE; - } - } -} - -static void -arm_elf_before_allocation (void) -{ - bfd *tem; - - /* Call the standard elf routine. */ - gld${EMULATION_NAME}_before_allocation (); - - if (link_info.input_bfds != NULL) - { - /* The interworking bfd must be the last one in the link. */ - bfd_for_interwork = NULL; - for (tem = link_info.input_bfds; tem != NULL; tem = tem->link_next) - tem->output_has_begun = FALSE; - - lang_for_each_statement (arm_elf_set_bfd_for_interworking); - for (tem = link_info.input_bfds; tem != NULL; tem = tem->link_next) - tem->output_has_begun = FALSE; - - /* If bfd_for_interwork is NULL, then there are no loadable sections - with real contents to be linked, so we are not going to have to - create any interworking stubs, so it is OK not to call - bfd_elf32_arm_get_bfd_for_interworking. */ - if (bfd_for_interwork != NULL) - bfd_elf32_arm_get_bfd_for_interworking (bfd_for_interwork, &link_info); - } - /* 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_elf32_arm_process_before_allocation (is->the_bfd, & link_info, - no_pipeline_knowledge)) - { - /* xgettext:c-format */ - einfo (_("Errors encountered processing file %s"), is->filename); - } - } - } - - /* We have seen it all. Allocate it, and carry on. */ - bfd_elf32_arm_allocate_interworking_sections (& link_info); -} - -static void -arm_elf_finish (void) -{ - struct bfd_link_hash_entry * h; - - /* Call the elf32.em routine. */ - gld${EMULATION_NAME}_finish (); - - if (thumb_entry_symbol == NULL) - return; - - 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_get_section_vma (output_bfd, - 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: connot find thumb start symbol %s\n"), - thumb_entry_symbol); -} - -EOF - -# Define some shell vars to insert bits of code into the standard elf -# parse_args and list_options functions. -# -PARSE_AND_LIST_PROLOGUE=' -#define OPTION_THUMB_ENTRY 301 -' - -PARSE_AND_LIST_SHORTOPTS=p - -PARSE_AND_LIST_LONGOPTS=' - { "no-pipeline-knowledge", no_argument, NULL, '\'p\''}, - { "thumb-entry", required_argument, NULL, OPTION_THUMB_ENTRY}, -' - -PARSE_AND_LIST_OPTIONS=' - fprintf (file, _(" -p --no-pipeline-knowledge Stop the linker knowing about the pipeline length\n")); - fprintf (file, _(" --thumb-entry=<sym> Set the entry point to be Thumb symbol <sym>\n")); -' - -PARSE_AND_LIST_ARGS_CASES=' - case '\'p\'': - no_pipeline_knowledge = 1; - break; - - case OPTION_THUMB_ENTRY: - thumb_entry_symbol = optarg; - break; -' - -# We have our own after_open and before_allocation functions, but they call -# the standard routines, so give them a different name. -LDEMUL_AFTER_OPEN=arm_elf_after_open -LDEMUL_BEFORE_ALLOCATION=arm_elf_before_allocation - -# Replace the elf before_parse function with our own. -LDEMUL_BEFORE_PARSE=gld"${EMULATION_NAME}"_before_parse - -# Call the extra arm-elf function -LDEMUL_FINISH=arm_elf_finish |