+++ /dev/null
-#!/bin/sh -e
-## 206-hjl-binutils-shr.dpatch
-##
-## DP: Description: implementation of ELF sharable section proposal
-## DP: Author: H.J. Lu <hongjiu.lu@intel.com>
-## DP: Upstream status: hjl 2.17.50.0.18
-## DP: Original patch: binutils-shr-82.patch
-
-if [ $# -ne 1 ]; then
- echo >&2 "`basename $0`: script expects -patch|-unpatch as argument"
- exit 1
-fi
-
-[ -f debian/patches/00patch-opts ] && . debian/patches/00patch-opts
-patch_opts="${patch_opts:--f --no-backup-if-mismatch}"
-
-case "$1" in
- -patch) patch $patch_opts -p1 < $0;;
- -unpatch) patch $patch_opts -p1 -R < $0;;
- *)
- echo >&2 "`basename $0`: script expects -patch|-unpatch as argument"
- exit 1;;
-esac
-
-exit 0
-
-http://groups.google.com/group/generic-abi/browse_thread/thread/f7b3e06417ead85a
-http://groups.google.com/group/generic-abi/browse_thread/thread/bca08f6560f61b0d
-
-bfd/
-
-2007-01-23 H.J. Lu <hongjiu.lu@intel.com>
-
- * elf-bfd.h (_bfd_elf_sharable_com_section): New.
- (_bfd_elf_add_sharable_symbol): Likewise.
- (_bfd_elf_sharable_section_from_bfd_section): Likewise.
- (_bfd_elf_sharable_symbol_processing): Likewise.
- (_bfd_elf_sharable_common_definition): Likewise.
- (_bfd_elf_sharable_common_section_index): Likewise.
- (_bfd_elf_sharable_common_section): Likewise.
- (_bfd_elf_sharable_merge_symbol): Likewise.
-
- * elf.c (special_sections_g): Add ".gnu.linkonce.shrb" and
- ".gnu.linkonce.shrd".
- (special_sections_s): Add ".sharable_bss" and ".sharable_data".
- (get_program_header_size): Handle PT_GNU_SHR segment.
- (_bfd_elf_map_sections_to_segments): Likewise.
- (assign_file_positions_for_load_sections): Likewise.
-
- * elf32-i386.c (elf_i386_link_hash_table): Add sdynsharablebss
- and srelsharablebss fields.
- (elf_i386_link_hash_table_create): Initialize sdynsharablebss
- and srelsharablebss.
- (elf_i386_create_dynamic_sections): Handle sdynsharablebss and
- srelsharablebss.
- (elf_i386_adjust_dynamic_symbol): Likewise.
- (elf_i386_size_dynamic_sections): Likewise.
- (elf_i386_finish_dynamic_symbol): Likewise.
- (elf_backend_add_symbol_hook): Defined.
- (elf_backend_section_from_bfd_section): Likewise.
- (elf_backend_symbol_processing): Likewise.
- (elf_backend_common_section_index): Likewise.
- (elf_backend_common_section): Likewise.
- (elf_backend_common_definition): Likewise.
- (elf_backend_merge_symbol): Likewise.
-
- * elf64-x86-64.c (elf64_x86_64_link_hash_table): Add
- sdynsharablebss and srelsharablebss fields.
- (elf64_x86_64_link_hash_table_create): Initialize sdynsharablebss
- and srelsharablebss.
- (elf64_x86_64_create_dynamic_sections): Handle sdynsharablebss
- and srelsharablebss.
- (elf64_x86_64_adjust_dynamic_symbol): Likewise.
- (elf64_x86_64_size_dynamic_sections): Likewise.
- (elf64_x86_64_finish_dynamic_symbol): Likewise.
- (elf64_x86_64_add_symbol_hook): Handle sharable symbols.
- (elf64_x86_64_elf_section_from_bfd_section): Likewise.
- (elf64_x86_64_symbol_processing): Likewise.
- (elf64_x86_64_merge_symbol): Likewise.
- (elf64_x86_64_common_definition): Handle sharable sections.
- (elf64_x86_64_common_section_index): Likewise.
- (elf64_x86_64_common_section): Likewise.
-
- * elflink.c (_bfd_elf_create_dynamic_sections): Handle
- .dynsharablebss section.
- (_bfd_elf_sharable_com_section): New.
- (get_sharable_common_section): Likewise.
- (_bfd_elf_add_sharable_symbol): Likewise.
- (_bfd_elf_sharable_section_from_bfd_section): Likewise.
- (_bfd_elf_sharable_symbol_processing): Likewise.
- (_bfd_elf_sharable_common_definition): Likewise.
- (_bfd_elf_sharable_common_section_index): Likewise.
- (_bfd_elf_sharable_common_section): Likewise.
- (_bfd_elf_sharable_merge_symbol): Likewise.
-
- * elfxx-ia64.c (elfNN_ia64_add_symbol_hook): Handle sharable
- symbols.
- (elf_backend_add_symbol_hook): Defined.
- (elf_backend_section_from_bfd_section): Likewise.
- (elf_backend_symbol_processing): Likewise.
- (elf_backend_common_section_index): Likewise.
- (elf_backend_common_section): Likewise.
- (elf_backend_common_definition): Likewise.
- (elf_backend_merge_symbol): Likewise.
-
-binutils/
-
-2007-01-04 H.J. Lu <hongjiu.lu@intel.com>
-
- * readelf.c (dump_relocations): Handle sharable sections.
- (get_segment_type): Handle sharable segment.
- (get_symbol_index_type): Handle sharable sections.
-
-gas/
-
-2007-01-04 H.J. Lu <hongjiu.lu@intel.com>
-
- * config/obj-elf.c (obj_elf_sharable_common): New.
- (elf_pseudo_table): Add "sharable_common".
- (obj_elf_change_section): Handle sharable sections.
-
-include/
-
-2007-01-23 H.J. Lu <hongjiu.lu@intel.com>
-
- * bfdlink.h (bfd_link_info): Add sharable_sections.
-
-include/elf/
-
-2007-01-04 H.J. Lu <hongjiu.lu@intel.com>
-
- * common.h (PT_GNU_SHR): New.
- (SHF_GNU_SHARABLE): Likewise.
- (SHN_GNU_SHARABLE_COMMON): Likewise.
-
-ld/
-
-2007-01-04 H.J. Lu <hongjiu.lu@intel.com>
-
- * emulparams/elf64_ia64.sh (SHARABLE_SECTIONS): Set to yes.
- * emulparams/elf_i386.sh (SHARABLE_SECTIONS): Likewise.
- * emulparams/elf_x86_64.sh (SHARABLE_SECTIONS): Likewise.
-
- * emultempl/elf32.em (gld${EMULATION_NAME}_before_parse): Set
- link_info.sharable_sections based on $SHARABLE_SECTIONS.
- (gld${EMULATION_NAME}_place_orphan): Don't allow orphaned
- sharable sections.
-
- * ldmain.c (main): Initialize link_info.sharable_sections.
- * scripttempl/elf.sc: Support sharable sections.
-
-@DPATCH@
-diff -urNad binutils-2.18~cvs20070812~/bfd/elf-bfd.h binutils-2.18~cvs20070812/bfd/elf-bfd.h
---- binutils-2.18~cvs20070812~/bfd/elf-bfd.h 2007-08-12 13:32:34.000000000 +0200
-+++ binutils-2.18~cvs20070812/bfd/elf-bfd.h 2007-08-12 13:32:59.000000000 +0200
-@@ -1929,6 +1929,28 @@
- (bfd *, struct bfd_link_info *);
- extern bfd_boolean _bfd_elf_add_dynamic_entry
- (struct bfd_link_info *, bfd_vma, bfd_vma);
-+extern asection _bfd_elf_sharable_com_section;
-+extern bfd_boolean _bfd_elf_add_sharable_symbol
-+ (bfd *, struct bfd_link_info *, Elf_Internal_Sym *, const char **,
-+ flagword *, asection **, bfd_vma *);
-+extern bfd_boolean _bfd_elf_sharable_section_from_bfd_section
-+ (bfd *, asection *, int *);
-+extern void _bfd_elf_sharable_symbol_processing
-+ (bfd *, asymbol *);
-+extern bfd_boolean _bfd_elf_sharable_common_definition
-+ (Elf_Internal_Sym *);
-+extern unsigned int _bfd_elf_sharable_common_section_index
-+ (asection *);
-+extern asection *_bfd_elf_sharable_common_section
-+ (asection *);
-+extern bfd_boolean _bfd_elf_sharable_merge_symbol
-+ (struct bfd_link_info *, struct elf_link_hash_entry **,
-+ struct elf_link_hash_entry *, Elf_Internal_Sym *, asection **,
-+ bfd_vma *, unsigned int *, bfd_boolean *, bfd_boolean *,
-+ bfd_boolean *, bfd_boolean *, bfd_boolean *, bfd_boolean *,
-+ bfd_boolean *, bfd_boolean *, bfd *, asection **,
-+ bfd_boolean *, bfd_boolean *, bfd_boolean *, bfd_boolean *,
-+ bfd *, asection **);
-
- extern bfd_boolean bfd_elf_link_record_dynamic_symbol
- (struct bfd_link_info *, struct elf_link_hash_entry *);
-diff -urNad binutils-2.18~cvs20070812~/bfd/elf.c binutils-2.18~cvs20070812/bfd/elf.c
---- binutils-2.18~cvs20070812~/bfd/elf.c 2007-08-12 13:32:34.000000000 +0200
-+++ binutils-2.18~cvs20070812/bfd/elf.c 2007-08-12 13:32:59.000000000 +0200
-@@ -1992,6 +1992,8 @@
- { STRING_COMMA_LEN (".gnu.liblist"), 0, SHT_GNU_LIBLIST, SHF_ALLOC },
- { STRING_COMMA_LEN (".gnu.conflict"), 0, SHT_RELA, SHF_ALLOC },
- { STRING_COMMA_LEN (".gnu.hash"), 0, SHT_GNU_HASH, SHF_ALLOC },
-+ { STRING_COMMA_LEN (".gnu.linkonce.shrb"), -2, SHT_NOBITS, SHF_ALLOC + SHF_WRITE + SHF_GNU_SHARABLE},
-+ { STRING_COMMA_LEN (".gnu.linkonce.shrd"), -2, SHT_PROGBITS, SHF_ALLOC + SHF_WRITE + SHF_GNU_SHARABLE},
- { NULL, 0, 0, 0, 0 }
- };
-
-@@ -2046,6 +2048,8 @@
- /* See struct bfd_elf_special_section declaration for the semantics of
- this special case where .prefix_length != strlen (.prefix). */
- { ".stabstr", 5, 3, SHT_STRTAB, 0 },
-+ { STRING_COMMA_LEN (".sharable_bss"), -2, SHT_NOBITS, SHF_ALLOC + SHF_WRITE + SHF_GNU_SHARABLE},
-+ { STRING_COMMA_LEN (".sharable_data"), -2, SHT_PROGBITS, SHF_ALLOC + SHF_WRITE + SHF_GNU_SHARABLE},
- { NULL, 0, 0, 0, 0 }
- };
-
-@@ -3374,6 +3378,32 @@
- }
- }
-
-+ /* Check to see if we need a PT_GNU_SHR segment for sharable data
-+ sections. */
-+ for (s = abfd->sections; s != NULL; s = s->next)
-+ {
-+ if ((elf_section_flags (s) & SHF_GNU_SHARABLE) != 0
-+ && elf_section_type (s) == SHT_PROGBITS)
-+ {
-+ /* We need a PT_GNU_SHR segment. */
-+ ++segs;
-+ break;
-+ }
-+ }
-+
-+ /* Check to see if we need a PT_GNU_SHR segment for sharable bss
-+ sections. */
-+ for (s = abfd->sections; s != NULL; s = s->next)
-+ {
-+ if ((elf_section_flags (s) & SHF_GNU_SHARABLE) != 0
-+ && elf_section_type (s) == SHT_NOBITS)
-+ {
-+ /* We need a PT_GNU_SHR segment. */
-+ ++segs;
-+ break;
-+ }
-+ }
-+
- /* Let the backend count up any program headers it might need. */
- bed = get_elf_backend_data (abfd);
- if (bed->elf_backend_additional_program_headers)
-@@ -3514,6 +3544,8 @@
- bfd_boolean phdr_in_segment = TRUE;
- bfd_boolean writable;
- int tls_count = 0;
-+ int sharable_data_count = 0, sharable_bss_count = 0;
-+ asection *first_sharable_data = NULL, *first_sharable_bss = NULL;
- asection *first_tls = NULL;
- asection *dynsec, *eh_frame_hdr;
- bfd_size_type amt;
-@@ -3785,6 +3817,22 @@
- first_tls = s;
- tls_count++;
- }
-+ if (elf_section_flags (s) & SHF_GNU_SHARABLE)
-+ {
-+ if (elf_section_type (s) == SHT_PROGBITS)
-+ {
-+ if (! sharable_data_count)
-+ first_sharable_data = s;
-+ sharable_data_count++;
-+ }
-+ else
-+ {
-+ BFD_ASSERT (elf_section_type (s) == SHT_NOBITS);
-+ if (! sharable_bss_count)
-+ first_sharable_bss = s;
-+ sharable_bss_count++;
-+ }
-+ }
- }
-
- /* If there are any SHF_TLS output sections, add PT_TLS segment. */
-@@ -3814,6 +3862,60 @@
- pm = &m->next;
- }
-
-+ /* If there are any output SHF_GNU_SHARABLE data sections, add a
-+ PT_GNU_SHR segment. */
-+ if (sharable_data_count > 0)
-+ {
-+ int i;
-+
-+ amt = sizeof (struct elf_segment_map);
-+ amt += (sharable_data_count - 1) * sizeof (asection *);
-+ m = bfd_zalloc (abfd, amt);
-+ if (m == NULL)
-+ goto error_return;
-+ m->next = NULL;
-+ m->p_type = PT_GNU_SHR;
-+ m->count = sharable_data_count;
-+ /* Mandated PF_R. */
-+ m->p_flags = PF_R;
-+ m->p_flags_valid = 1;
-+ for (i = 0; i < sharable_data_count; ++i)
-+ {
-+ m->sections[i] = first_sharable_data;
-+ first_sharable_data = first_sharable_data->next;
-+ }
-+
-+ *pm = m;
-+ pm = &m->next;
-+ }
-+
-+ /* If there are any output SHF_GNU_SHARABLE bss sections, add a
-+ PT_GNU_SHR segment. */
-+ if (sharable_bss_count > 0)
-+ {
-+ int i;
-+
-+ amt = sizeof (struct elf_segment_map);
-+ amt += (sharable_bss_count - 1) * sizeof (asection *);
-+ m = bfd_zalloc (abfd, amt);
-+ if (m == NULL)
-+ goto error_return;
-+ m->next = NULL;
-+ m->p_type = PT_GNU_SHR;
-+ m->count = sharable_bss_count;
-+ /* Mandated PF_R. */
-+ m->p_flags = PF_R;
-+ m->p_flags_valid = 1;
-+ for (i = 0; i < sharable_bss_count; ++i)
-+ {
-+ m->sections[i] = first_sharable_bss;
-+ first_sharable_bss = first_sharable_bss->next;
-+ }
-+
-+ *pm = m;
-+ pm = &m->next;
-+ }
-+
- /* If there is a .eh_frame_hdr section, throw in a PT_GNU_EH_FRAME
- segment. */
- eh_frame_hdr = elf_tdata (abfd)->eh_frame_hdr;
-@@ -4247,6 +4349,7 @@
- align = (bfd_size_type) 1 << bfd_get_section_alignment (abfd, sec);
-
- if (p->p_type == PT_LOAD
-+ || p->p_type == PT_GNU_SHR
- || p->p_type == PT_TLS)
- {
- bfd_signed_vma adjust = sec->lma - (p->p_paddr + p->p_memsz);
-diff -urNad binutils-2.18~cvs20070812~/bfd/elf32-i386.c binutils-2.18~cvs20070812/bfd/elf32-i386.c
---- binutils-2.18~cvs20070812~/bfd/elf32-i386.c 2007-07-27 20:50:18.000000000 +0200
-+++ binutils-2.18~cvs20070812/bfd/elf32-i386.c 2007-08-12 13:32:59.000000000 +0200
-@@ -661,6 +661,8 @@
- asection *srelplt;
- asection *sdynbss;
- asection *srelbss;
-+ asection *sdynsharablebss;
-+ asection *srelsharablebss;
-
- /* The (unloaded but important) .rel.plt.unloaded section on VxWorks. */
- asection *srelplt2;
-@@ -753,6 +755,8 @@
- ret->srelplt = NULL;
- ret->sdynbss = NULL;
- ret->srelbss = NULL;
-+ ret->sdynsharablebss = NULL;
-+ ret->srelsharablebss = NULL;
- ret->tls_ldm_got.refcount = 0;
- ret->next_tls_desc_index = 0;
- ret->sgotplt_jump_table_size = 0;
-@@ -813,10 +817,19 @@
- htab->srelplt = bfd_get_section_by_name (dynobj, ".rel.plt");
- htab->sdynbss = bfd_get_section_by_name (dynobj, ".dynbss");
- if (!info->shared)
-- htab->srelbss = bfd_get_section_by_name (dynobj, ".rel.bss");
-+ {
-+ htab->srelbss = bfd_get_section_by_name (dynobj, ".rel.bss");
-+ htab->sdynsharablebss
-+ = bfd_get_section_by_name (dynobj, ".dynsharablebss");
-+ htab->srelsharablebss
-+ = bfd_get_section_by_name (dynobj, ".rel.sharable_bss");
-+ }
-
- if (!htab->splt || !htab->srelplt || !htab->sdynbss
-- || (!info->shared && !htab->srelbss))
-+ || (!info->shared
-+ && (!htab->srelbss
-+ || !htab->sdynsharablebss
-+ || !htab->srelsharablebss)))
- abort ();
-
- if (htab->is_vxworks
-@@ -1534,17 +1547,23 @@
- both the dynamic object and the regular object will refer to the
- same memory location for the variable. */
-
-+ s = htab->sdynbss;
-+
- /* We must generate a R_386_COPY reloc to tell the dynamic linker to
- copy the initial value out of the dynamic object and into the
- runtime process image. */
- if ((h->root.u.def.section->flags & SEC_ALLOC) != 0)
- {
-- htab->srelbss->size += sizeof (Elf32_External_Rel);
-+ if (elf_section_flags (h->root.u.def.section) & SHF_GNU_SHARABLE)
-+ {
-+ htab->srelsharablebss->size += sizeof (Elf32_External_Rel);
-+ s = htab->sdynsharablebss;
-+ }
-+ else
-+ htab->srelbss->size += sizeof (Elf32_External_Rel);
- h->needs_copy = 1;
- }
-
-- s = htab->sdynbss;
--
- return _bfd_elf_adjust_dynamic_copy (h, s);
- }
-
-@@ -1998,7 +2017,8 @@
- if (s == htab->splt
- || s == htab->sgot
- || s == htab->sgotplt
-- || s == htab->sdynbss)
-+ || s == htab->sdynbss
-+ || s == htab->sdynsharablebss)
- {
- /* Strip this section if we don't need it; see the
- comment below. */
-@@ -3536,21 +3556,27 @@
- {
- Elf_Internal_Rela rel;
- bfd_byte *loc;
-+ asection *s;
-+
-+ if (h->root.u.def.section == htab->sdynsharablebss)
-+ s = htab->srelsharablebss;
-+ else
-+ s = htab->srelbss;
-
- /* This symbol needs a copy reloc. Set it up. */
-
- if (h->dynindx == -1
- || (h->root.type != bfd_link_hash_defined
- && h->root.type != bfd_link_hash_defweak)
-- || htab->srelbss == NULL)
-+ || s == NULL)
- abort ();
-
- rel.r_offset = (h->root.u.def.value
- + h->root.u.def.section->output_section->vma
- + h->root.u.def.section->output_offset);
- rel.r_info = ELF32_R_INFO (h->dynindx, R_386_COPY);
-- loc = htab->srelbss->contents;
-- loc += htab->srelbss->reloc_count++ * sizeof (Elf32_External_Rel);
-+ loc = s->contents;
-+ loc += s->reloc_count++ * sizeof (Elf32_External_Rel);
- bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
- }
-
-@@ -3838,6 +3864,21 @@
- #define elf_backend_plt_sym_val elf_i386_plt_sym_val
- #define elf_backend_hash_symbol elf_i386_hash_symbol
-
-+#define elf_backend_add_symbol_hook \
-+ _bfd_elf_add_sharable_symbol
-+#define elf_backend_section_from_bfd_section \
-+ _bfd_elf_sharable_section_from_bfd_section
-+#define elf_backend_symbol_processing \
-+ _bfd_elf_sharable_symbol_processing
-+#define elf_backend_common_section_index \
-+ _bfd_elf_sharable_common_section_index
-+#define elf_backend_common_section \
-+ _bfd_elf_sharable_common_section
-+#define elf_backend_common_definition \
-+ _bfd_elf_sharable_common_definition
-+#define elf_backend_merge_symbol \
-+ _bfd_elf_sharable_merge_symbol
-+
- #include "elf32-target.h"
-
- /* FreeBSD support. */
-diff -urNad binutils-2.18~cvs20070812~/bfd/elf64-x86-64.c binutils-2.18~cvs20070812/bfd/elf64-x86-64.c
---- binutils-2.18~cvs20070812~/bfd/elf64-x86-64.c 2007-07-03 16:26:42.000000000 +0200
-+++ binutils-2.18~cvs20070812/bfd/elf64-x86-64.c 2007-08-12 13:32:59.000000000 +0200
-@@ -470,6 +470,8 @@
- asection *srelplt;
- asection *sdynbss;
- asection *srelbss;
-+ asection *sdynsharablebss;
-+ asection *srelsharablebss;
-
- /* The offset into splt of the PLT entry for the TLS descriptor
- resolver. Special values are 0, if not necessary (or not found
-@@ -557,6 +559,8 @@
- ret->srelplt = NULL;
- ret->sdynbss = NULL;
- ret->srelbss = NULL;
-+ ret->sdynsharablebss = NULL;
-+ ret->srelsharablebss = NULL;
- ret->sym_sec.abfd = NULL;
- ret->tlsdesc_plt = 0;
- ret->tlsdesc_got = 0;
-@@ -615,10 +619,19 @@
- htab->srelplt = bfd_get_section_by_name (dynobj, ".rela.plt");
- htab->sdynbss = bfd_get_section_by_name (dynobj, ".dynbss");
- if (!info->shared)
-- htab->srelbss = bfd_get_section_by_name (dynobj, ".rela.bss");
-+ {
-+ htab->srelbss = bfd_get_section_by_name (dynobj, ".rela.bss");
-+ htab->sdynsharablebss
-+ = bfd_get_section_by_name (dynobj, ".dynsharablebss");
-+ htab->srelsharablebss
-+ = bfd_get_section_by_name (dynobj, ".rela.sharable_bss");
-+ }
-
- if (!htab->splt || !htab->srelplt || !htab->sdynbss
-- || (!info->shared && !htab->srelbss))
-+ || (!info->shared
-+ && (!htab->srelbss
-+ || !htab->sdynsharablebss
-+ || !htab->srelsharablebss)))
- abort ();
-
- return TRUE;
-@@ -1396,17 +1409,23 @@
-
- htab = elf64_x86_64_hash_table (info);
-
-+ s = htab->sdynbss;
-+
- /* We must generate a R_X86_64_COPY reloc to tell the dynamic linker
- to copy the initial value out of the dynamic object and into the
- runtime process image. */
- if ((h->root.u.def.section->flags & SEC_ALLOC) != 0)
- {
-- htab->srelbss->size += sizeof (Elf64_External_Rela);
-+ if (elf_section_flags (h->root.u.def.section) & SHF_GNU_SHARABLE)
-+ {
-+ htab->srelsharablebss->size += sizeof (Elf64_External_Rela);
-+ s = htab->sdynsharablebss;
-+ }
-+ else
-+ htab->srelbss->size += sizeof (Elf64_External_Rela);
- h->needs_copy = 1;
- }
-
-- s = htab->sdynbss;
--
- return _bfd_elf_adjust_dynamic_copy (h, s);
- }
-
-@@ -1854,7 +1873,8 @@
- if (s == htab->splt
- || s == htab->sgot
- || s == htab->sgotplt
-- || s == htab->sdynbss)
-+ || s == htab->sdynbss
-+ || s == htab->sdynsharablebss)
- {
- /* Strip this section if we don't need it; see the
- comment below. */
-@@ -3193,13 +3213,19 @@
- {
- Elf_Internal_Rela rela;
- bfd_byte *loc;
-+ asection *s;
-+
-+ if (h->root.u.def.section == htab->sdynsharablebss)
-+ s = htab->srelsharablebss;
-+ else
-+ s = htab->srelbss;
-
- /* This symbol needs a copy reloc. Set it up. */
-
- if (h->dynindx == -1
- || (h->root.type != bfd_link_hash_defined
- && h->root.type != bfd_link_hash_defweak)
-- || htab->srelbss == NULL)
-+ || s == NULL)
- abort ();
-
- rela.r_offset = (h->root.u.def.value
-@@ -3207,8 +3233,8 @@
- + h->root.u.def.section->output_offset);
- rela.r_info = ELF64_R_INFO (h->dynindx, R_X86_64_COPY);
- rela.r_addend = 0;
-- loc = htab->srelbss->contents;
-- loc += htab->srelbss->reloc_count++ * sizeof (Elf64_External_Rela);
-+ loc = s->contents;
-+ loc += s->reloc_count++ * sizeof (Elf64_External_Rela);
- bfd_elf64_swap_reloca_out (output_bfd, &rela, loc);
- }
-
-@@ -3472,9 +3498,12 @@
- }
- *secp = lcomm;
- *valp = sym->st_size;
-+ return TRUE;
- break;
- }
-- return TRUE;
-+
-+ return _bfd_elf_add_sharable_symbol (abfd, info, sym, namep, flagsp,
-+ secp, valp);
- }
-
-
-@@ -3490,7 +3519,7 @@
- *index = SHN_X86_64_LCOMMON;
- return TRUE;
- }
-- return FALSE;
-+ return _bfd_elf_sharable_section_from_bfd_section (abfd, sec, index);
- }
-
- /* Process a symbol. */
-@@ -3508,22 +3537,26 @@
- asym->value = elfsym->internal_elf_sym.st_size;
- /* Common symbol doesn't set BSF_GLOBAL. */
- asym->flags &= ~BSF_GLOBAL;
-+ return;
- break;
- }
-+
-+ _bfd_elf_sharable_symbol_processing (abfd, asym);
- }
-
- static bfd_boolean
- elf64_x86_64_common_definition (Elf_Internal_Sym *sym)
- {
- return (sym->st_shndx == SHN_COMMON
-- || sym->st_shndx == SHN_X86_64_LCOMMON);
-+ || sym->st_shndx == SHN_X86_64_LCOMMON
-+ || _bfd_elf_sharable_common_definition (sym));
- }
-
- static unsigned int
- elf64_x86_64_common_section_index (asection *sec)
- {
- if ((elf_section_flags (sec) & SHF_X86_64_LARGE) == 0)
-- return SHN_COMMON;
-+ return _bfd_elf_sharable_common_section_index (sec);
- else
- return SHN_X86_64_LCOMMON;
- }
-@@ -3532,7 +3565,7 @@
- elf64_x86_64_common_section (asection *sec)
- {
- if ((elf_section_flags (sec) & SHF_X86_64_LARGE) == 0)
-- return bfd_com_section_ptr;
-+ return _bfd_elf_sharable_common_section (sec);
- else
- return &_bfd_elf_large_com_section;
- }
-@@ -3569,7 +3602,8 @@
- && h->root.type == bfd_link_hash_common
- && !*newdyn
- && bfd_is_com_section (*sec)
-- && *oldsec != *sec)
-+ && *oldsec != *sec
-+ && _bfd_elf_sharable_common_section_index (*oldsec) == SHN_COMMON)
- {
- if (sym->st_shndx == SHN_COMMON
- && (elf_section_flags (*oldsec) & SHF_X86_64_LARGE) != 0)
-@@ -3577,13 +3611,26 @@
- h->root.u.c.p->section
- = bfd_make_section_old_way (oldbfd, "COMMON");
- h->root.u.c.p->section->flags = SEC_ALLOC;
-+ return TRUE;
- }
- else if (sym->st_shndx == SHN_X86_64_LCOMMON
- && (elf_section_flags (*oldsec) & SHF_X86_64_LARGE) == 0)
-- *psec = *sec = bfd_com_section_ptr;
-+ {
-+ *psec = *sec = bfd_com_section_ptr;
-+ return TRUE;
-+ }
- }
-
-- return TRUE;
-+ return _bfd_elf_sharable_merge_symbol (info, sym_hash, h, sym,
-+ psec, pvalue, pold_alignment,
-+ skip, override,
-+ type_change_ok, size_change_ok,
-+ newdyn, newdef,
-+ newdyncommon, newweak,
-+ abfd, sec,
-+ olddyn, olddef,
-+ olddyncommon, oldweak,
-+ oldbfd, oldsec);
- }
-
- static int
-diff -urNad binutils-2.18~cvs20070812~/bfd/elflink.c binutils-2.18~cvs20070812/bfd/elflink.c
---- binutils-2.18~cvs20070812~/bfd/elflink.c 2007-08-12 13:32:34.000000000 +0200
-+++ binutils-2.18~cvs20070812/bfd/elflink.c 2007-08-12 13:32:59.000000000 +0200
-@@ -353,6 +353,27 @@
- if (s == NULL
- || ! bfd_set_section_alignment (abfd, s, bed->s->log_file_align))
- return FALSE;
-+
-+ if (info->sharable_sections)
-+ {
-+ s = bfd_make_section (abfd, ".dynsharablebss");
-+ if (s == NULL
-+ || ! bfd_set_section_flags (abfd, s,
-+ (SEC_ALLOC
-+ | SEC_LINKER_CREATED)))
-+ return FALSE;
-+
-+ s = bfd_make_section (abfd,
-+ (bed->default_use_rela_p
-+ ? ".rela.sharable_bss"
-+ : ".rel.sharable_bss"));
-+ if (s == NULL
-+ || ! bfd_set_section_flags (abfd, s,
-+ flags | SEC_READONLY)
-+ || ! bfd_set_section_alignment (abfd, s,
-+ bed->s->log_file_align))
-+ return FALSE;
-+ }
- }
- }
-
-@@ -12319,3 +12340,219 @@
- {
- return bfd_com_section_ptr;
- }
-+
-+asection _bfd_elf_sharable_com_section
-+ = BFD_FAKE_SECTION (_bfd_elf_sharable_com_section, SEC_IS_COMMON,
-+ NULL, "SHARABLE_COMMON", 0);
-+
-+static asection *
-+get_sharable_common_section (bfd *abfd)
-+{
-+ asection *scomm = bfd_get_section_by_name (abfd, "SHARABLE_COMMON");
-+
-+ if (scomm == NULL)
-+ {
-+ scomm = bfd_make_section_with_flags (abfd,
-+ "SHARABLE_COMMON",
-+ (SEC_ALLOC
-+ | SEC_IS_COMMON
-+ | SEC_LINKER_CREATED));
-+ if (scomm == NULL)
-+ return scomm;
-+ elf_section_flags (scomm) |= SHF_GNU_SHARABLE;
-+ }
-+
-+ return scomm;
-+}
-+
-+bfd_boolean
-+_bfd_elf_add_sharable_symbol (bfd *abfd ATTRIBUTE_UNUSED,
-+ struct bfd_link_info *info ATTRIBUTE_UNUSED,
-+ Elf_Internal_Sym *sym,
-+ const char **namep ATTRIBUTE_UNUSED,
-+ flagword *flagsp ATTRIBUTE_UNUSED,
-+ asection **secp,
-+ bfd_vma *valp)
-+{
-+ asection *scomm;
-+
-+ switch (sym->st_shndx)
-+ {
-+ case SHN_GNU_SHARABLE_COMMON:
-+ scomm = get_sharable_common_section (abfd);
-+ if (scomm == NULL)
-+ return FALSE;
-+ *secp = scomm;
-+ *valp = sym->st_size;
-+ break;
-+ }
-+ return TRUE;
-+}
-+
-+bfd_boolean
-+_bfd_elf_sharable_section_from_bfd_section
-+ (bfd *abfd ATTRIBUTE_UNUSED, asection *sec, int *index)
-+{
-+ if (sec == &_bfd_elf_sharable_com_section)
-+ {
-+ *index = SHN_GNU_SHARABLE_COMMON;
-+ return TRUE;
-+ }
-+ return FALSE;
-+}
-+
-+void
-+_bfd_elf_sharable_symbol_processing (bfd *abfd ATTRIBUTE_UNUSED,
-+ asymbol *asym)
-+{
-+ elf_symbol_type *elfsym = (elf_symbol_type *) asym;
-+
-+ switch (elfsym->internal_elf_sym.st_shndx)
-+ {
-+ case SHN_GNU_SHARABLE_COMMON:
-+ asym->section = &_bfd_elf_sharable_com_section;
-+ asym->value = elfsym->internal_elf_sym.st_size;
-+ asym->flags &= ~BSF_GLOBAL;
-+ break;
-+ }
-+}
-+
-+bfd_boolean
-+_bfd_elf_sharable_common_definition (Elf_Internal_Sym *sym)
-+{
-+ return (sym->st_shndx == SHN_COMMON
-+ || sym->st_shndx == SHN_GNU_SHARABLE_COMMON);
-+}
-+
-+unsigned int
-+_bfd_elf_sharable_common_section_index (asection *sec)
-+{
-+ if ((elf_section_flags (sec) & SHF_GNU_SHARABLE) == 0)
-+ return SHN_COMMON;
-+ else
-+ return SHN_GNU_SHARABLE_COMMON;
-+}
-+
-+asection *
-+_bfd_elf_sharable_common_section (asection *sec)
-+{
-+ if ((elf_section_flags (sec) & SHF_GNU_SHARABLE) == 0)
-+ return bfd_com_section_ptr;
-+ else
-+ return &_bfd_elf_sharable_com_section;
-+}
-+
-+bfd_boolean
-+_bfd_elf_sharable_merge_symbol
-+ (struct bfd_link_info *info ATTRIBUTE_UNUSED,
-+ struct elf_link_hash_entry **sym_hash ATTRIBUTE_UNUSED,
-+ struct elf_link_hash_entry *h,
-+ Elf_Internal_Sym *sym ATTRIBUTE_UNUSED,
-+ asection **psec,
-+ bfd_vma *pvalue ATTRIBUTE_UNUSED,
-+ unsigned int *pold_alignment ATTRIBUTE_UNUSED,
-+ bfd_boolean *skip ATTRIBUTE_UNUSED,
-+ bfd_boolean *override ATTRIBUTE_UNUSED,
-+ bfd_boolean *type_change_ok ATTRIBUTE_UNUSED,
-+ bfd_boolean *size_change_ok ATTRIBUTE_UNUSED,
-+ bfd_boolean *newdef ATTRIBUTE_UNUSED,
-+ bfd_boolean *newdyn,
-+ bfd_boolean *newdyncommon ATTRIBUTE_UNUSED,
-+ bfd_boolean *newweak ATTRIBUTE_UNUSED,
-+ bfd *abfd,
-+ asection **sec,
-+ bfd_boolean *olddef ATTRIBUTE_UNUSED,
-+ bfd_boolean *olddyn,
-+ bfd_boolean *olddyncommon ATTRIBUTE_UNUSED,
-+ bfd_boolean *oldweak ATTRIBUTE_UNUSED,
-+ bfd *oldbfd,
-+ asection **oldsec)
-+{
-+ /* Check sharable symbol. If one is undefined, it is OK. */
-+ if (*oldsec && !bfd_is_und_section (*sec))
-+ {
-+ bfd_boolean sharable, oldsharable;
-+
-+ sharable = (elf_section_data (*sec)
-+ && (elf_section_flags (*sec) & SHF_GNU_SHARABLE));
-+ oldsharable = (elf_section_data (*oldsec)
-+ && (elf_section_flags (*oldsec)
-+ & SHF_GNU_SHARABLE));
-+
-+ if (sharable != oldsharable)
-+ {
-+ bfd *nsbfd, *sbfd;
-+ asection *nssec, *ssec;
-+ bfd_boolean nsdyn, sdyn, nsdef, sdef;
-+
-+ if (oldsharable)
-+ {
-+ sbfd = oldbfd;
-+ nsbfd = abfd;
-+ ssec = *oldsec;
-+ nssec = *sec;
-+ sdyn = *olddyn;
-+ nsdyn = *newdyn;
-+ sdef = *olddef;
-+ nsdef = *newdef;
-+ }
-+ else
-+ {
-+ sbfd = abfd;
-+ nsbfd = oldbfd;
-+ ssec = *sec;
-+ nssec = *oldsec;
-+ sdyn = *newdyn;
-+ nsdyn = *olddyn;
-+ sdef = *newdef;
-+ nsdef = *olddef;
-+ }
-+
-+ if (sdef && !sdyn)
-+ {
-+ /* If the sharable definition comes from a relocatable
-+ file, it will override the non-sharable one in DSO. */
-+ return TRUE;
-+ }
-+ else if (!nsdef
-+ && !nsdyn
-+ && (h->root.type == bfd_link_hash_common
-+ || bfd_is_com_section (nssec)))
-+ {
-+ asection *scomm;
-+
-+ /* When the non-sharable common symbol in a relocatable
-+ file, we can turn it into sharable. If the sharable
-+ symbol isn't common, the non-sharable common symbol
-+ will be overidden. We only need to handle the
-+ sharable common symbol and the non-sharable common
-+ symbol. We just turn the non-sharable common symbol
-+ into the sharable one. */
-+ if (sym->st_shndx == SHN_GNU_SHARABLE_COMMON)
-+ {
-+ scomm = get_sharable_common_section (oldbfd);
-+ if (scomm == NULL)
-+ return FALSE;
-+ h->root.u.c.p->section = scomm;
-+ }
-+ else
-+ {
-+ scomm = get_sharable_common_section (abfd);
-+ if (scomm == NULL)
-+ return FALSE;
-+ *psec = *sec = scomm;
-+ }
-+
-+ return TRUE;
-+ }
-+
-+ (*_bfd_error_handler)
-+ (_("%s: sharable symbol in %B section %A mismatches non-shrable symbol in %B section %A"),
-+ sbfd, ssec, nsbfd, nssec, h->root.root.string);
-+ bfd_set_error (bfd_error_bad_value);
-+ return FALSE;
-+ }
-+ }
-+
-+ return TRUE;
-+}
-diff -urNad binutils-2.18~cvs20070812~/bfd/elfxx-ia64.c binutils-2.18~cvs20070812/bfd/elfxx-ia64.c
---- binutils-2.18~cvs20070812~/bfd/elfxx-ia64.c 2007-07-03 16:26:42.000000000 +0200
-+++ binutils-2.18~cvs20070812/bfd/elfxx-ia64.c 2007-08-12 13:32:59.000000000 +0200
-@@ -1637,7 +1637,8 @@
- *valp = sym->st_size;
- }
-
-- return TRUE;
-+ return _bfd_elf_add_sharable_symbol (abfd, info, sym, namep, flagsp,
-+ secp, valp);
- }
-
- /* Return the number of additional phdrs we will need. */
-@@ -5901,6 +5902,19 @@
- #define elf_backend_special_sections elfNN_ia64_special_sections
- #define elf_backend_default_execstack 0
-
-+#define elf_backend_section_from_bfd_section \
-+ _bfd_elf_sharable_section_from_bfd_section
-+#define elf_backend_symbol_processing \
-+ _bfd_elf_sharable_symbol_processing
-+#define elf_backend_common_section_index \
-+ _bfd_elf_sharable_common_section_index
-+#define elf_backend_common_section \
-+ _bfd_elf_sharable_common_section
-+#define elf_backend_common_definition \
-+ _bfd_elf_sharable_common_definition
-+#define elf_backend_merge_symbol \
-+ _bfd_elf_sharable_merge_symbol
-+
- /* FIXME: PR 290: The Intel C compiler generates SHT_IA_64_UNWIND with
- SHF_LINK_ORDER. But it doesn't set the sh_link or sh_info fields.
- We don't want to flood users with so many error messages. We turn
-diff -urNad binutils-2.18~cvs20070812~/binutils/readelf.c binutils-2.18~cvs20070812/binutils/readelf.c
---- binutils-2.18~cvs20070812~/binutils/readelf.c 2007-07-27 02:48:30.000000000 +0200
-+++ binutils-2.18~cvs20070812/binutils/readelf.c 2007-08-12 13:32:59.000000000 +0200
-@@ -1266,6 +1266,8 @@
- sec_name = "ABS";
- else if (psym->st_shndx == SHN_COMMON)
- sec_name = "COMMON";
-+ else if (psym->st_shndx == SHN_GNU_SHARABLE_COMMON)
-+ sec_name = "GNU_SHARABLE_COMMON";
- else if (elf_header.e_machine == EM_MIPS
- && psym->st_shndx == SHN_MIPS_SCOMMON)
- sec_name = "SCOMMON";
-@@ -2464,6 +2466,7 @@
- case PT_SHLIB: return "SHLIB";
- case PT_PHDR: return "PHDR";
- case PT_TLS: return "TLS";
-+ case PT_GNU_SHR: return "GNU_SHR";
-
- case PT_GNU_EH_FRAME:
- return "GNU_EH_FRAME";
-@@ -6971,6 +6974,8 @@
- case SHN_UNDEF: return "UND";
- case SHN_ABS: return "ABS";
- case SHN_COMMON: return "COM";
-+ case SHN_GNU_SHARABLE_COMMON:
-+ return "GNU_SHARABLE_COM";
- default:
- if (type == SHN_IA_64_ANSI_COMMON
- && elf_header.e_machine == EM_IA_64
-diff -urNad binutils-2.18~cvs20070812~/gas/config/obj-elf.c binutils-2.18~cvs20070812/gas/config/obj-elf.c
---- binutils-2.18~cvs20070812~/gas/config/obj-elf.c 2007-07-03 13:01:04.000000000 +0200
-+++ binutils-2.18~cvs20070812/gas/config/obj-elf.c 2007-08-12 13:32:59.000000000 +0200
-@@ -73,6 +73,7 @@
- static void obj_elf_subsection (int);
- static void obj_elf_popsection (int);
- static void obj_elf_tls_common (int);
-+static void obj_elf_sharable_common (int);
- static void obj_elf_lcomm (int);
- static void obj_elf_struct (int);
-
-@@ -130,6 +131,8 @@
-
- {"tls_common", obj_elf_tls_common, 0},
-
-+ {"sharable_common", obj_elf_sharable_common, 0},
-+
- /* End sentinel. */
- {NULL, NULL, 0},
- };
-@@ -374,6 +377,39 @@
- }
-
- static void
-+obj_elf_sharable_common (int ignore ATTRIBUTE_UNUSED)
-+{
-+ static segT sharable_bss_section;
-+ asection *saved_com_section_ptr = elf_com_section_ptr;
-+ asection *saved_bss_section = bss_section;
-+
-+ if (sharable_bss_section == NULL)
-+ {
-+ flagword applicable;
-+ segT seg = now_seg;
-+ subsegT subseg = now_subseg;
-+
-+ /* The .sharable_bss section is for local .sharable_common
-+ symbols. */
-+ sharable_bss_section = subseg_new (".sharable_bss", 0);
-+ applicable = bfd_applicable_section_flags (stdoutput);
-+ bfd_set_section_flags (stdoutput, sharable_bss_section,
-+ applicable & SEC_ALLOC);
-+ seg_info (sharable_bss_section)->bss = 1;
-+
-+ subseg_set (seg, subseg);
-+ }
-+
-+ elf_com_section_ptr = &_bfd_elf_sharable_com_section;
-+ bss_section = sharable_bss_section;
-+
-+ s_comm_internal (0, elf_common_parse);
-+
-+ elf_com_section_ptr = saved_com_section_ptr;
-+ bss_section = saved_bss_section;
-+}
-+
-+static void
- obj_elf_lcomm (int ignore ATTRIBUTE_UNUSED)
- {
- symbolS *symbolP = s_comm_internal (0, s_lcomm_internal);
-@@ -587,11 +623,17 @@
-
- .section .lbss,"aw",@progbits
-
-+ "@progbits" is incorrect. Also for sharable bss
-+ sections, gcc, as of 2005-07-06, will emit
-+
-+ .section .sharable_bss,"aw",@progbits
-+
- "@progbits" is incorrect. */
- #ifdef TC_I386
- && (bed->s->arch_size != 64
- || !(ssect->attr & SHF_X86_64_LARGE))
- #endif
-+ && !(ssect->attr & SHF_GNU_SHARABLE)
- && ssect->type != SHT_INIT_ARRAY
- && ssect->type != SHT_FINI_ARRAY
- && ssect->type != SHT_PREINIT_ARRAY)
-diff -urNad binutils-2.18~cvs20070812~/include/bfdlink.h binutils-2.18~cvs20070812/include/bfdlink.h
---- binutils-2.18~cvs20070812~/include/bfdlink.h 2007-07-09 23:21:42.000000000 +0200
-+++ binutils-2.18~cvs20070812/include/bfdlink.h 2007-08-12 13:32:59.000000000 +0200
-@@ -351,6 +351,9 @@
- /* Non-NULL if .note.gnu.build-id section should be created. */
- char *emit_note_gnu_build_id;
-
-+ /* TRUE if sharables sections may be created. */
-+ unsigned int sharable_sections: 1;
-+
- /* What to do with unresolved symbols in an object file.
- When producing executables the default is GENERATE_ERROR.
- When producing shared libraries the default is IGNORE. The
-diff -urNad binutils-2.18~cvs20070812~/include/elf/common.h binutils-2.18~cvs20070812/include/elf/common.h
---- binutils-2.18~cvs20070812~/include/elf/common.h 2007-07-09 23:17:42.000000000 +0200
-+++ binutils-2.18~cvs20070812/include/elf/common.h 2007-08-12 13:32:59.000000000 +0200
-@@ -309,6 +309,7 @@
- #define PT_SUNW_EH_FRAME PT_GNU_EH_FRAME /* Solaris uses the same value */
- #define PT_GNU_STACK (PT_LOOS + 0x474e551) /* Stack flags */
- #define PT_GNU_RELRO (PT_LOOS + 0x474e552) /* Read-only after relocation */
-+#define PT_GNU_SHR (PT_LOOS + 0x474e554) /* Sharable segment */
-
- /* Program segment permissions, in program header p_flags field. */
-
-@@ -381,6 +382,8 @@
- #define SHF_MASKOS 0x0FF00000 /* New value, Oct 4, 1999 Draft */
- #define SHF_MASKPROC 0xF0000000 /* Processor-specific semantics */
-
-+#define SHF_GNU_SHARABLE 0x01000000 /* sharable section */
-+
- /* Values of note segment descriptor types for core files. */
-
- #define NT_PRSTATUS 1 /* Contains copy of prstatus struct */
-@@ -505,6 +508,9 @@
- #define SHN_HIRESERVE 0xFFFF /* End range of reserved indices */
- #define SHN_BAD ((unsigned) -1) /* Used internally by bfd */
-
-+/* Associated symbol is in common sharable */
-+#define SHN_GNU_SHARABLE_COMMON (SHN_LOOS + 10)
-+
- /* The following constants control how a symbol may be accessed once it has
- become part of an executable or shared library. */
-
-diff -urNad binutils-2.18~cvs20070812~/ld/emulparams/elf64_ia64.sh binutils-2.18~cvs20070812/ld/emulparams/elf64_ia64.sh
---- binutils-2.18~cvs20070812~/ld/emulparams/elf64_ia64.sh 2006-05-30 18:45:32.000000000 +0200
-+++ binutils-2.18~cvs20070812/ld/emulparams/elf64_ia64.sh 2007-08-12 13:32:59.000000000 +0200
-@@ -37,3 +37,4 @@
- # .dtors. They have to be next to .sbss/.sbss2/.sdata/.sdata2.
- SMALL_DATA_CTOR=" "
- SMALL_DATA_DTOR=" "
-+SHARABLE_SECTIONS=yes
-diff -urNad binutils-2.18~cvs20070812~/ld/emulparams/elf_i386.sh binutils-2.18~cvs20070812/ld/emulparams/elf_i386.sh
---- binutils-2.18~cvs20070812~/ld/emulparams/elf_i386.sh 2007-08-12 13:32:34.000000000 +0200
-+++ binutils-2.18~cvs20070812/ld/emulparams/elf_i386.sh 2007-08-12 13:33:45.000000000 +0200
-@@ -11,6 +11,7 @@
- GENERATE_PIE_SCRIPT=yes
- NO_SMALL_DATA=yes
- SEPARATE_GOTPLT=12
-+SHARABLE_SECTIONS=yes
-
- # Linux modify the default library search path to first include
- # a 32-bit specific directory.
-diff -urNad binutils-2.18~cvs20070812~/ld/emulparams/elf_x86_64.sh binutils-2.18~cvs20070812/ld/emulparams/elf_x86_64.sh
---- binutils-2.18~cvs20070812~/ld/emulparams/elf_x86_64.sh 2007-08-12 10:00:33.000000000 +0200
-+++ binutils-2.18~cvs20070812/ld/emulparams/elf_x86_64.sh 2007-08-12 13:32:59.000000000 +0200
-@@ -13,6 +13,7 @@
- NO_SMALL_DATA=yes
- LARGE_SECTIONS=yes
- SEPARATE_GOTPLT=24
-+SHARABLE_SECTIONS=yes
-
- if [ "x${host}" = "x${target}" ]; then
- case " $EMULATION_LIBPATH " in
-diff -urNad binutils-2.18~cvs20070812~/ld/emultempl/elf32.em binutils-2.18~cvs20070812/ld/emultempl/elf32.em
---- binutils-2.18~cvs20070812~/ld/emultempl/elf32.em 2007-08-12 13:32:34.000000000 +0200
-+++ binutils-2.18~cvs20070812/ld/emultempl/elf32.em 2007-08-12 13:32:59.000000000 +0200
-@@ -101,6 +101,7 @@
- ldfile_set_output_arch ("${OUTPUT_ARCH}", bfd_arch_`echo ${ARCH} | sed -e 's/:.*//'`);
- config.dynamic_link = ${DYNAMIC_LINK-TRUE};
- config.has_shared = `if test -n "$GENERATE_SHLIB_SCRIPT" ; then echo TRUE ; else echo FALSE ; fi`;
-+ link_info.sharable_sections = `if test "$SHARABLE_SECTIONS" = "yes" ; then echo TRUE ; else echo FALSE ; fi`;
- }
-
- EOF
-@@ -1679,6 +1680,12 @@
-
- secname = bfd_get_section_name (s->owner, s);
-
-+ /* Orphaned sharable sections won't have correct page
-+ requirements. */
-+ if (elf_section_flags (s) & SHF_GNU_SHARABLE)
-+ einfo ("%F%P: unable to place orphaned sharable section %A (%B)\n",
-+ s, s->owner);
-+
- if (! link_info.relocatable
- && link_info.combreloc
- && (s->flags & SEC_ALLOC))
-diff -urNad binutils-2.18~cvs20070812~/ld/ldmain.c binutils-2.18~cvs20070812/ld/ldmain.c
---- binutils-2.18~cvs20070812~/ld/ldmain.c 2007-07-06 16:09:41.000000000 +0200
-+++ binutils-2.18~cvs20070812/ld/ldmain.c 2007-08-12 13:32:59.000000000 +0200
-@@ -275,6 +275,7 @@
- link_info.relax_pass = 1;
- link_info.pei386_auto_import = -1;
- link_info.spare_dynamic_tags = 5;
-+ link_info.sharable_sections = FALSE;
-
- ldfile_add_arch ("");
- emulation = get_emulation (argc, argv);
-diff -urNad binutils-2.18~cvs20070812~/ld/scripttempl/elf.sc binutils-2.18~cvs20070812/ld/scripttempl/elf.sc
---- binutils-2.18~cvs20070812~/ld/scripttempl/elf.sc 2007-07-28 00:33:24.000000000 +0200
-+++ binutils-2.18~cvs20070812/ld/scripttempl/elf.sc 2007-08-12 13:32:59.000000000 +0200
-@@ -238,6 +238,40 @@
- ${RELOCATING+_stack = .;}
- *(.stack)
- }"
-+test "${SHARABLE_SECTIONS}" = "yes" && OTHER_READWRITE_SECTIONS="
-+ ${OTHER_READWRITE_SECTIONS}
-+ /* Sharable data sections. */
-+ .sharable_data ${RELOCATING-0} : ${RELOCATING+ALIGN(${MAXPAGESIZE})}
-+ {
-+ ${RELOCATING+PROVIDE_HIDDEN (__sharable_data_start = .);}
-+ *(.sharable_data${RELOCATING+ .sharable_data.* .gnu.linkonce.shrd.*})
-+ /* Align here to ensure that the sharable data section ends at the
-+ page boundary. */
-+ ${RELOCATING+. = ALIGN(. != 0 ? ${MAXPAGESIZE} : 1);}
-+ ${RELOCATING+PROVIDE_HIDDEN (__sharable_data_end = .);}
-+ }
-+"
-+test "${SHARABLE_SECTIONS}" = "yes" && OTHER_BSS_SECTIONS="
-+ ${OTHER_BSS_SECTIONS}
-+ /* Sharable bss sections */
-+ .sharable_bss ${RELOCATING-0} : ${RELOCATING+ALIGN(${MAXPAGESIZE})}
-+ {
-+ ${RELOCATING+PROVIDE_HIDDEN (__sharable_bss_start = .);}
-+ *(.dynsharablebss)
-+ *(.sharable_bss${RELOCATING+ .sharable_bss.* .gnu.linkonce.shrb.*})
-+ *(SHARABLE_COMMON)
-+ /* Align here to ensure that the sharable bss section ends at the
-+ page boundary. */
-+ ${RELOCATING+. = ALIGN(. != 0 ? ${MAXPAGESIZE} : 1);}
-+ ${RELOCATING+PROVIDE_HIDDEN (__sharable_bss_end = .);}
-+ }
-+"
-+test "${SHARABLE_SECTIONS}" = "yes" && REL_SHARABLE="
-+ .rel.sharable_data ${RELOCATING-0} : { *(.rel.sharable_data${RELOCATING+ .rel.sharable_data.* .rel.gnu.linkonce.shrd.*}) }
-+ .rela.sharable_data ${RELOCATING-0} : { *(.rela.sharable_data${RELOCATING+ .rela.sharable_data.* .rela.gnu.linkonce.shrd.*}) }
-+ .rel.sharable_bss ${RELOCATING-0} : { *(.rel.sharable_bss${RELOCATING+ .rel.sharable_bss.* .rel.gnu.linkonce.shrb.*}) }
-+ .rela.sharable_bss ${RELOCATING-0} : { *(.rela.sharable_bss${RELOCATING+ .rela.sharable_bss.* .rela.gnu.linkonce.shrb.*}) }
-+"
-
- # if this is for an embedded system, don't add SIZEOF_HEADERS.
- if [ -z "$EMBEDDED" ]; then
-@@ -308,6 +342,7 @@
- .rel.got ${RELOCATING-0} : { *(.rel.got) }
- .rela.got ${RELOCATING-0} : { *(.rela.got) }
- ${OTHER_GOT_RELOC_SECTIONS}
-+ ${REL_SHARABLE}
- ${REL_SDATA}
- ${REL_SBSS}
- ${REL_SDATA2}