diff options
Diffstat (limited to 'ld/emultempl')
| -rw-r--r-- | ld/emultempl/vms.em | 123 |
1 files changed, 123 insertions, 0 deletions
diff --git a/ld/emultempl/vms.em b/ld/emultempl/vms.em new file mode 100644 index 0000000..0b6b059 --- /dev/null +++ b/ld/emultempl/vms.em @@ -0,0 +1,123 @@ +# This shell script emits a C file. -*- C -*- +# Copyright 2010 +# Free Software Foundation, Inc. +# +# 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. +# + +# This file is sourced from generic.em. + +fragment <<EOF +static void +gld${EMULATION_NAME}_before_parse (void) +{ + ldfile_set_output_arch ("${ARCH}", bfd_arch_`echo ${ARCH} | sed -e 's/:.*//'`); + config.dynamic_link = TRUE; + config.has_shared = FALSE; /* Not yet. */ +} + +/* This is called before the input files are opened. We add the + standard library. */ + +static void +gld${EMULATION_NAME}_create_output_section_statements (void) +{ + lang_add_input_file ("imagelib", lang_input_file_is_l_enum, NULL); + lang_add_input_file ("starlet", lang_input_file_is_l_enum, NULL); + lang_add_input_file ("sys\$public_vectors", lang_input_file_is_l_enum, NULL); +} + +/* Try to open a dynamic archive. This is where we know that VMS + shared images (dynamic libraries) have an extension of .exe. */ + +static bfd_boolean +gld${EMULATION_NAME}_open_dynamic_archive (const char *arch ATTRIBUTE_UNUSED, + search_dirs_type *search, + lang_input_statement_type *entry) +{ + char *string; + + if (! entry->is_archive) + return FALSE; + + string = (char *) xmalloc (strlen (search->name) + + strlen (entry->filename) + + sizeof "/.exe"); + + sprintf (string, "%s/%s.exe", search->name, entry->filename); + + if (! ldfile_try_open_bfd (string, entry)) + { + free (string); + return FALSE; + } + + entry->filename = string; + + return TRUE; +} + +static int +gld${EMULATION_NAME}_find_potential_libraries + (char *name, lang_input_statement_type *entry) +{ + return ldfile_open_file_search (name, entry, "", ".olb"); +} + +/* Place an orphan section. We use this to put random OVR sections. + Much borrowed from elf32.em. */ + +static lang_output_section_statement_type * +vms_place_orphan (asection *s, + const char *secname ATTRIBUTE_UNUSED, + int constraint ATTRIBUTE_UNUSED) +{ + static struct orphan_save hold_data = + { + "\$DATA\$", + SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_DATA, + 0, 0, 0, 0 + }; + + /* We have nothing to say for anything other than a final link. */ + if (link_info.relocatable + || (s->flags & (SEC_EXCLUDE | SEC_LOAD)) != SEC_LOAD) + return NULL; + + /* Only handle data sections. */ + if ((s->flags & SEC_DATA) == 0) + return NULL; + + if (hold_data.os == NULL) + hold_data.os = lang_output_section_find (hold_data.name); + + if (hold_data.os != NULL) + { + lang_add_section (&hold_data.os->children, s, hold_data.os); + return hold_data.os; + } + else + return NULL; +} +EOF + +LDEMUL_PLACE_ORPHAN=vms_place_orphan +LDEMUL_BEFORE_PARSE=gld"$EMULATION_NAME"_before_parse +LDEMUL_CREATE_OUTPUT_SECTION_STATEMENTS=gld"$EMULATION_NAME"_create_output_section_statements +LDEMUL_FIND_POTENTIAL_LIBRARIES=gld"$EMULATION_NAME"_find_potential_libraries +LDEMUL_OPEN_DYNAMIC_ARCHIVE=gld"$EMULATION_NAME"_open_dynamic_archive |