a6cc6b3bc4
* Makefile.am (ALL_EMULATIONS): Add eelf32_sparc_sol2.o, eelf_i386_sol2.o. (ALL_64_EMULATIONS): Add eelf_x86_64_sol2.o, eelf64_sparc_sol2.o. (eelf32_sparc_sol2.c): New rule. (eelf64_sparc_sol2.c): Likewise. (eelf_x86_64_sol2.c): Likewise. (eelf_i386_sol2.c): Likewise. * Makefile.in: Regenerate. * configure.tgt (i[3-7]86-*-solaris2*): Change targ_emul to elf_i386_sol2. Add elf_i386_ldso, elf_x86_64_sol2 to targ_extra_emuls. (x86_64-*-solaris2*): Change targ_emul to elf_x86_64_sol2. Add elf_x86_64, elf_i386_sol2, elf_i386 to targ_extra_emuls. (sparc-*-solaris2.[0-6]*): Change targ_emul to elf32_sparc_sol2. Add target_extra_emuls. (sparc-*-solaris2*): Change targ_emul to elf32_sparc_sol2. Add elf32_sparc, elf64_sparc_sol2 to targ_extra_emuls. (sparcv9-*-solaris2*): Change targ_emul to elf64_sparc_sol2. Add elf64_sparc, elf32_sparc_sol2 to target_extra_emuls. * emulparams/elf32_sparc_sol2.sh: New file. * emulparams/elf64_sparc_sol2.sh: New file. * emulparams/elf_i386_sol2.sh: New file. * emulparams/elf_x86_64_sol2.sh: New file. * emultempl/solaris2.em: New file. bfd: * elflink.c (bfd_elf_size_dynamic_sections): Don't emit base version twice. Skip it when constructing def.vd_next. * elf32-i386.c (TARGET_LITTLE_SYM): Redefine to bfd_elf32_i386_sol2_vec. (TARGET_LITTLE_NAME): Redefine to elf32-i386-sol2. (elf32_bed): Redefine to elf32_i386_sol2_bed. (elf_backend_want_plt_sym): Redefine to 1. * elf64-x86-64.c (TARGET_LITTLE_SYM): Redefine to bfd_elf64_x86_64_sol2_vec. (TARGET_LITTLE_NAME): Redefine to elf64-x86-64-sol2. (elf64_bed): Redefine to elf64_x86_64_sol2_bed. (elf_backend_want_plt_sym): Redefine to 1. * config.bfd (i[3-7]86-*-solaris2*): Set targ_defvec to bfd_elf32_i386_sol2_vec. Replace bfd_elf64_x86_64_vec by bfd_elf64_x86_64_sol2_vec in targ64_selvecs. (x86_64-*-solaris2*): Set targ_defvec to bfd_elf32_i386_sol2_vec. Replace bfd_elf64_x86_64_vec by bfd_elf64_x86_64_sol2_vec in targ_selvecs. * configure.in: Handle bfd_elf32_i386_sol2_vec, bfd_elf64_x86_64_sol2_vec. * configure: Regenerate. * targets.c (bfd_elf32_i386_sol2_vec): Declare. (bfd_elf64_x86_64_sol2_vec): Declare. (_bfd_target_vector): Add bfd_elf32_i386_sol2_vec, bfd_elf64_x86_64_sol2_vec.
108 lines
3.4 KiB
Text
108 lines
3.4 KiB
Text
# This shell script emits a C file. -*- C -*-
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# It does some substitutions.
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if [ -z "$MACHINE" ]; then
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OUTPUT_ARCH=${ARCH}
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else
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OUTPUT_ARCH=${ARCH}:${MACHINE}
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fi
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fragment <<EOF
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/* This file is generated by a shell script. DO NOT EDIT! */
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/* Solaris 2 emulation code for ${EMULATION_NAME}
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Copyright 2010 Free Software Foundation, Inc.
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Written by Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
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This file is part of the GNU Binutils.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
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MA 02110-1301, USA. */
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#define TARGET_IS_${EMULATION_NAME}
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/* The Solaris 2 ABI requires some symbols to always be bound to the base
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version in a shared object.
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Cf. Linker and Libraries Guide, Ch. 2, Link-Editor, Generating the Output
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File, p.63. */
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static void
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elf_solaris2_before_allocation (void)
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{
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/* Symbols required to be bound to the base version. */
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static const char *basever_syms[] = {
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"_DYNAMIC",
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"_GLOBAL_OFFSET_TABLE_",
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"_PROCEDURE_LINKAGE_TABLE_",
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"_edata",
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"_end",
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"_etext",
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NULL
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};
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const char **sym;
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/* Only do this if emitting a shared object and versioning is in place. */
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if (link_info.shared
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&& (lang_elf_version_info != NULL || link_info.create_default_symver))
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{
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struct bfd_elf_version_expr *globals = NULL, *locals = NULL;
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struct bfd_elf_version_tree *basever;
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const char *soname;
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for (sym = basever_syms; *sym != NULL; sym++)
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{
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/* Create a version pattern for this symbol. Some of them start
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off as local, others as global, so try both. */
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globals = lang_new_vers_pattern (globals, *sym, NULL, TRUE);
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locals = lang_new_vers_pattern (locals, *sym, NULL, TRUE);
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}
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/* New version node for those symbols. */
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basever = lang_new_vers_node (globals, locals);
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/* The version name matches what bfd_elf_size_dynamic_sections uses
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for the base version. */
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soname = bfd_elf_get_dt_soname (link_info.output_bfd);
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if (soname == NULL)
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soname = lbasename (bfd_get_filename (link_info.output_bfd));
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/* Register the node. */
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lang_register_vers_node (soname, basever, NULL);
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/* Enforce base version. The encoded vd_ndx is vernum + 1. */
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basever->vernum = 0;
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for (sym = basever_syms; *sym != NULL; sym++)
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{
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struct elf_link_hash_entry *h;
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/* Lookup symbol. */
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h = elf_link_hash_lookup (elf_hash_table (&link_info), *sym,
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FALSE, FALSE, FALSE);
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if (h == NULL)
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continue;
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/* Undo the hiding done by _bfd_elf_define_linkage_sym. */
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h->forced_local = 0;
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h->other &= ~STV_HIDDEN;
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/* Emit it into the .dynamic section, too. */
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bfd_elf_link_record_dynamic_symbol (&link_info, h);
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}
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}
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gld${EMULATION_NAME}_before_allocation ();
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}
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EOF
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LDEMUL_BEFORE_ALLOCATION=elf_solaris2_before_allocation
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