diff options
| author | H.J. Lu <hjl.tools@gmail.com> | 2009-06-16 13:41:10 +0000 |
|---|---|---|
| committer | H.J. Lu <hjl.tools@gmail.com> | 2009-06-16 13:41:10 +0000 |
| commit | 6de2ae4a2a0020a827f05f30dedf8dcec7e77ee0 (patch) | |
| tree | 1b803d87f6a3acfc6bebad13e80d25fbbd3aec2e | |
| parent | 671f4ed1aa129d71951e461890cbfdb1f5209d99 (diff) | |
| download | gdb-6de2ae4a2a0020a827f05f30dedf8dcec7e77ee0.zip gdb-6de2ae4a2a0020a827f05f30dedf8dcec7e77ee0.tar.gz gdb-6de2ae4a2a0020a827f05f30dedf8dcec7e77ee0.tar.bz2 | |
2009-06-16 H.J. Lu <hongjiu.lu@intel.com>
* configure.in (elf): Add elf-ifunc.lo.
* configure: Regenerated.
* Makefile.in: Likewise.
* elf-bfd.h (elf_link_hash_table): Add sgot, sgotplt,
srelgot, splt, srelplt, igotplt, iplt, irelplt and irelifunc.
* elf32-i386.c (elf_i386_link_hash_table): Remove sgot,
sgotplt, srelgot, splt, srelplt, igotplt, iplt, irelplt and
irelifunc.
(elf_i386_link_hash_table_create): Likewise.
(elf_i386_create_dynamic_sections): Likewise.
(elf_i386_check_relocs): Likewise.
(elf_i386_allocate_dynrelocs): Likewise.
(elf_i386_size_dynamic_sections): Likewise.
(elf_i386_relocate_section): Likewise.
(elf_i386_finish_dynamic_symbol): Likewise.
(elf_i386_finish_dynamic_sections): Likewise.
(elf_i386_create_got_section): Removed.
* elf64-x86-64.c (elf64_x86_64_link_hash_table): Remove sgot,
sgotplt, srelgot, splt, srelplt, igotplt, iplt, irelplt and
irelifunc.
(elf64_x86_64_compute_jump_table_size): Updated.
(elf64_x86_64_link_hash_table_create): Likewise.
(elf64_x86_64_create_dynamic_sections): Likewise.
(elf64_x86_64_check_relocs): Likewise.
(elf64_x86_64_allocate_dynrelocs): Likewise.
(elf64_x86_64_size_dynamic_sections): Likewise.
(elf64_x86_64_relocate_section): Likewise.
(elf64_x86_64_finish_dynamic_symbol): Likewise.
(elf64_x86_64_finish_dynamic_sections): Likewise.
(elf64_x86_64_create_got_section): Removed.
* elflink.c (_bfd_elf_create_got_section): Use log_file_align
for pointer alignment. Set up section pointers.
(_bfd_elf_create_dynamic_sections): Likewise.
(_bfd_elf_create_ifunc_sections): Moved to ...
* elf-ifunc.c: Here. New.
* Makefile.am (BFD32_BACKENDS): Add elf-ifunc.lo.
(BFD32_BACKENDS_CFILES): Add elf-ifunc.c.
Run "make dep-am".
| -rw-r--r-- | bfd/ChangeLog | 53 | ||||
| -rw-r--r-- | bfd/Makefile.am | 14 | ||||
| -rw-r--r-- | bfd/Makefile.in | 14 | ||||
| -rwxr-xr-x | bfd/configure | 3 | ||||
| -rw-r--r-- | bfd/configure.in | 3 | ||||
| -rw-r--r-- | bfd/elf-bfd.h | 11 | ||||
| -rw-r--r-- | bfd/elf-ifunc.c | 105 | ||||
| -rw-r--r-- | bfd/elf32-i386.c | 418 | ||||
| -rw-r--r-- | bfd/elf64-x86-64.c | 423 | ||||
| -rw-r--r-- | bfd/elflink.c | 132 |
10 files changed, 567 insertions, 609 deletions
diff --git a/bfd/ChangeLog b/bfd/ChangeLog index 281d56e..8a6ad9f 100644 --- a/bfd/ChangeLog +++ b/bfd/ChangeLog @@ -1,8 +1,55 @@ +2009-06-16 H.J. Lu <hongjiu.lu@intel.com> + + * configure.in (elf): Add elf-ifunc.lo. + + * configure: Regenerated. + * Makefile.in: Likewise. + + * elf-bfd.h (elf_link_hash_table): Add sgot, sgotplt, + srelgot, splt, srelplt, igotplt, iplt, irelplt and irelifunc. + + * elf32-i386.c (elf_i386_link_hash_table): Remove sgot, + sgotplt, srelgot, splt, srelplt, igotplt, iplt, irelplt and + irelifunc. + (elf_i386_link_hash_table_create): Likewise. + (elf_i386_create_dynamic_sections): Likewise. + (elf_i386_check_relocs): Likewise. + (elf_i386_allocate_dynrelocs): Likewise. + (elf_i386_size_dynamic_sections): Likewise. + (elf_i386_relocate_section): Likewise. + (elf_i386_finish_dynamic_symbol): Likewise. + (elf_i386_finish_dynamic_sections): Likewise. + (elf_i386_create_got_section): Removed. + + * elf64-x86-64.c (elf64_x86_64_link_hash_table): Remove sgot, + sgotplt, srelgot, splt, srelplt, igotplt, iplt, irelplt and + irelifunc. + (elf64_x86_64_compute_jump_table_size): Updated. + (elf64_x86_64_link_hash_table_create): Likewise. + (elf64_x86_64_create_dynamic_sections): Likewise. + (elf64_x86_64_check_relocs): Likewise. + (elf64_x86_64_allocate_dynrelocs): Likewise. + (elf64_x86_64_size_dynamic_sections): Likewise. + (elf64_x86_64_relocate_section): Likewise. + (elf64_x86_64_finish_dynamic_symbol): Likewise. + (elf64_x86_64_finish_dynamic_sections): Likewise. + (elf64_x86_64_create_got_section): Removed. + + * elflink.c (_bfd_elf_create_got_section): Use log_file_align + for pointer alignment. Set up section pointers. + (_bfd_elf_create_dynamic_sections): Likewise. + (_bfd_elf_create_ifunc_sections): Moved to ... + * elf-ifunc.c: Here. New. + + * Makefile.am (BFD32_BACKENDS): Add elf-ifunc.lo. + (BFD32_BACKENDS_CFILES): Add elf-ifunc.c. + Run "make dep-am". + 2009-06-16 Doug Kwan <dougkwan@google.com> - * elf32-arm.c (cortex_a8_erratum_scan): Change type of offset - to bfd_signed_vma. Cast constant operands which are used in - offset related expressions to bfd_signed_vma type as appropriate. + * elf32-arm.c (cortex_a8_erratum_scan): Change type of offset + to bfd_signed_vma. Cast constant operands which are used in + offset related expressions to bfd_signed_vma type as appropriate. 2009-06-16 Maciej W. Rozycki <macro@linux-mips.org> diff --git a/bfd/Makefile.am b/bfd/Makefile.am index 23d7377..13da4ef 100644 --- a/bfd/Makefile.am +++ b/bfd/Makefile.am @@ -250,6 +250,7 @@ BFD32_BACKENDS = \ ecofflink.lo \ elf-attrs.lo \ elf-eh-frame.lo \ + elf-ifunc.lo \ elf-m10200.lo \ elf-m10300.lo \ elf-strtab.lo \ @@ -432,6 +433,7 @@ BFD32_BACKENDS_CFILES = \ ecofflink.c \ elf-attrs.c \ elf-eh-frame.c \ + elf-ifunc.c \ elf-m10200.c \ elf-m10300.c \ elf-strtab.c \ @@ -2046,6 +2048,18 @@ elf-eh-frame.lo: \ $(INCDIR)/filenames.h \ $(INCDIR)/hashtab.h \ elf-bfd.h +elf-ifunc.lo: \ + elf-ifunc.c \ + $(INCDIR)/bfdlink.h \ + $(INCDIR)/elf/common.h \ + $(INCDIR)/elf/external.h \ + $(INCDIR)/elf/internal.h \ + $(INCDIR)/filenames.h \ + $(INCDIR)/hashtab.h \ + $(INCDIR)/libiberty.h \ + $(INCDIR)/objalloc.h \ + $(INCDIR)/safe-ctype.h \ + elf-bfd.h elf-m10200.lo: \ elf-m10200.c \ $(INCDIR)/bfdlink.h \ diff --git a/bfd/Makefile.in b/bfd/Makefile.in index 33493b9..45e184a 100644 --- a/bfd/Makefile.in +++ b/bfd/Makefile.in @@ -521,6 +521,7 @@ BFD32_BACKENDS = \ ecofflink.lo \ elf-attrs.lo \ elf-eh-frame.lo \ + elf-ifunc.lo \ elf-m10200.lo \ elf-m10300.lo \ elf-strtab.lo \ @@ -703,6 +704,7 @@ BFD32_BACKENDS_CFILES = \ ecofflink.c \ elf-attrs.c \ elf-eh-frame.c \ + elf-ifunc.c \ elf-m10200.c \ elf-m10300.c \ elf-strtab.c \ @@ -2647,6 +2649,18 @@ elf-eh-frame.lo: \ $(INCDIR)/filenames.h \ $(INCDIR)/hashtab.h \ elf-bfd.h +elf-ifunc.lo: \ + elf-ifunc.c \ + $(INCDIR)/bfdlink.h \ + $(INCDIR)/elf/common.h \ + $(INCDIR)/elf/external.h \ + $(INCDIR)/elf/internal.h \ + $(INCDIR)/filenames.h \ + $(INCDIR)/hashtab.h \ + $(INCDIR)/libiberty.h \ + $(INCDIR)/objalloc.h \ + $(INCDIR)/safe-ctype.h \ + elf-bfd.h elf-m10200.lo: \ elf-m10200.c \ $(INCDIR)/bfdlink.h \ diff --git a/bfd/configure b/bfd/configure index de3cc60..c3ef346 100755 --- a/bfd/configure +++ b/bfd/configure @@ -20942,7 +20942,8 @@ selarchs="$f" # Target backend .o files. tb= -elf="elf.lo elflink.lo elf-attrs.lo elf-strtab.lo elf-eh-frame.lo dwarf1.lo" +elf="elf.lo elflink.lo elf-attrs.lo elf-ifunc.lo elf-strtab.lo + elf-eh-frame.lo dwarf1.lo" for vec in $selvecs do diff --git a/bfd/configure.in b/bfd/configure.in index 19d1535..146785e 100644 --- a/bfd/configure.in +++ b/bfd/configure.in @@ -639,7 +639,8 @@ selarchs="$f" # Target backend .o files. tb= -elf="elf.lo elflink.lo elf-attrs.lo elf-strtab.lo elf-eh-frame.lo dwarf1.lo" +elf="elf.lo elflink.lo elf-attrs.lo elf-ifunc.lo elf-strtab.lo + elf-eh-frame.lo dwarf1.lo" for vec in $selvecs do diff --git a/bfd/elf-bfd.h b/bfd/elf-bfd.h index 610aafc..a3ae6a2 100644 --- a/bfd/elf-bfd.h +++ b/bfd/elf-bfd.h @@ -457,6 +457,17 @@ struct elf_link_hash_table /* A linked list of BFD's loaded in the link. */ struct elf_link_loaded_list *loaded; + + /* Short-cuts to get to dynamic linker sections. */ + asection *sgot; + asection *sgotplt; + asection *srelgot; + asection *splt; + asection *srelplt; + asection *igotplt; + asection *iplt; + asection *irelplt; + asection *irelifunc; }; /* Look up an entry in an ELF linker hash table. */ diff --git a/bfd/elf-ifunc.c b/bfd/elf-ifunc.c new file mode 100644 index 0000000..4bfc31b --- /dev/null +++ b/bfd/elf-ifunc.c @@ -0,0 +1,105 @@ +/* ELF STT_GNU_IFUNC support. + Copyright 2009 + Free Software Foundation, Inc. + + This file is part of BFD, the Binary File Descriptor library. + + 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. */ + +#include "sysdep.h" +#include "bfd.h" +#include "bfdlink.h" +#include "libbfd.h" +#define ARCH_SIZE 0 +#include "elf-bfd.h" +#include "safe-ctype.h" +#include "libiberty.h" +#include "objalloc.h" + +/* Create sections needed by STT_GNU_IFUNC symbol. */ + +bfd_boolean +_bfd_elf_create_ifunc_sections (bfd *abfd, struct bfd_link_info *info) +{ + flagword flags, pltflags; + asection *s; + const struct elf_backend_data *bed = get_elf_backend_data (abfd); + struct elf_link_hash_table *htab = elf_hash_table (info); + + if (htab->irelifunc != NULL || htab->iplt != NULL) + return TRUE; + + flags = bed->dynamic_sec_flags; + pltflags = flags; + if (bed->plt_not_loaded) + /* We do not clear SEC_ALLOC here because we still want the OS to + allocate space for the section; it's just that there's nothing + to read in from the object file. */ + pltflags &= ~ (SEC_CODE | SEC_LOAD | SEC_HAS_CONTENTS); + else + pltflags |= SEC_ALLOC | SEC_CODE | SEC_LOAD; + if (bed->plt_readonly) + pltflags |= SEC_READONLY; + + if (info->shared) + { + /* We need to create .rel[a].ifunc for shared objects. */ + const char *rel_sec = (bed->rela_plts_and_copies_p + ? ".rela.ifunc" : ".rel.ifunc"); + + s = bfd_make_section_with_flags (abfd, rel_sec, + flags | SEC_READONLY); + if (s == NULL + || ! bfd_set_section_alignment (abfd, s, + bed->s->log_file_align)) + return FALSE; + htab->irelifunc = s; + } + else + { + /* We need to create .iplt, .rel[a].iplt, .igot and .igot.plt + for static executables. */ + s = bfd_make_section_with_flags (abfd, ".iplt", pltflags); + if (s == NULL + || ! bfd_set_section_alignment (abfd, s, bed->plt_alignment)) + return FALSE; + htab->iplt = s; + + s = bfd_make_section_with_flags (abfd, + (bed->rela_plts_and_copies_p + ? ".rela.iplt" : ".rel.iplt"), + flags | SEC_READONLY); + if (s == NULL + || ! bfd_set_section_alignment (abfd, s, + bed->s->log_file_align)) + return FALSE; + htab->irelplt = s; + + /* We don't need the .igot section if we have the .igot.plt + section. */ + if (bed->want_got_plt) + s = bfd_make_section_with_flags (abfd, ".igot.plt", flags); + else + s = bfd_make_section_with_flags (abfd, ".igot", flags); + if (s == NULL + || !bfd_set_section_alignment (abfd, s, + bed->s->log_file_align)) + return FALSE; + htab->igotplt = s; + } + + return TRUE; +} diff --git a/bfd/elf32-i386.c b/bfd/elf32-i386.c index c9e2c1d..610c709 100644 --- a/bfd/elf32-i386.c +++ b/bfd/elf32-i386.c @@ -670,17 +670,8 @@ struct elf_i386_link_hash_table struct elf_link_hash_table elf; /* Short-cuts to get to dynamic linker sections. */ - asection *sgot; - asection *sgotplt; - asection *srelgot; - asection *splt; - asection *srelplt; asection *sdynbss; asection *srelbss; - asection *igotplt; - asection *iplt; - asection *irelplt; - asection *irelifunc; /* The (unloaded but important) .rel.plt.unloaded section on VxWorks. */ asection *srelplt2; @@ -850,17 +841,8 @@ elf_i386_link_hash_table_create (bfd *abfd) return NULL; } - ret->sgot = NULL; - ret->sgotplt = NULL; - ret->srelgot = NULL; - ret->splt = NULL; - ret->srelplt = NULL; ret->sdynbss = NULL; ret->srelbss = NULL; - ret->igotplt= NULL; - ret->iplt = NULL; - ret->irelplt= NULL; - ret->irelifunc = NULL; ret->tls_ldm_got.refcount = 0; ret->next_tls_desc_index = 0; ret->sgotplt_jump_table_size = 0; @@ -899,35 +881,6 @@ elf_i386_link_hash_table_free (struct bfd_link_hash_table *hash) _bfd_generic_link_hash_table_free (hash); } -/* Create .got, .gotplt, and .rel.got sections in DYNOBJ, and set up - shortcuts to them in our hash table. */ - -static bfd_boolean -elf_i386_create_got_section (bfd *dynobj, struct bfd_link_info *info) -{ - struct elf_i386_link_hash_table *htab; - - if (! _bfd_elf_create_got_section (dynobj, info)) - return FALSE; - - htab = elf_i386_hash_table (info); - htab->sgot = bfd_get_section_by_name (dynobj, ".got"); - htab->sgotplt = bfd_get_section_by_name (dynobj, ".got.plt"); - if (!htab->sgot || !htab->sgotplt) - abort (); - - htab->srelgot = bfd_make_section_with_flags (dynobj, ".rel.got", - (SEC_ALLOC | SEC_LOAD - | SEC_HAS_CONTENTS - | SEC_IN_MEMORY - | SEC_LINKER_CREATED - | SEC_READONLY)); - if (htab->srelgot == NULL - || ! bfd_set_section_alignment (dynobj, htab->srelgot, 2)) - return FALSE; - return TRUE; -} - /* Create .plt, .rel.plt, .got, .got.plt, .rel.got, .dynbss, and .rel.bss sections in DYNOBJ, and set up shortcuts to them in our hash table. */ @@ -937,25 +890,21 @@ elf_i386_create_dynamic_sections (bfd *dynobj, struct bfd_link_info *info) { struct elf_i386_link_hash_table *htab; - htab = elf_i386_hash_table (info); - if (!htab->sgot && !elf_i386_create_got_section (dynobj, info)) - return FALSE; - if (!_bfd_elf_create_dynamic_sections (dynobj, info)) return FALSE; - htab->splt = bfd_get_section_by_name (dynobj, ".plt"); - htab->srelplt = bfd_get_section_by_name (dynobj, ".rel.plt"); + htab = elf_i386_hash_table (info); htab->sdynbss = bfd_get_section_by_name (dynobj, ".dynbss"); if (!info->shared) htab->srelbss = bfd_get_section_by_name (dynobj, ".rel.bss"); - if (!htab->splt || !htab->srelplt || !htab->sdynbss + if (!htab->sdynbss || (!info->shared && !htab->srelbss)) abort (); if (htab->is_vxworks - && !elf_vxworks_create_dynamic_sections (dynobj, info, &htab->srelplt2)) + && !elf_vxworks_create_dynamic_sections (dynobj, info, + &htab->srelplt2)) return FALSE; return TRUE; @@ -1427,31 +1376,8 @@ elf_i386_check_relocs (bfd *abfd, case R_386_PLT32: case R_386_GOT32: case R_386_GOTOFF: - if (htab->irelifunc == NULL && htab->iplt == NULL) - { - if (!_bfd_elf_create_ifunc_sections (abfd, info)) - return FALSE; - - if (info->shared) - { - htab->irelifunc = bfd_get_section_by_name (abfd, - ".rel.ifunc"); - if (!htab->irelifunc) - abort (); - } - else - { - htab->iplt = bfd_get_section_by_name (abfd, ".iplt"); - htab->irelplt = bfd_get_section_by_name (abfd, - ".rel.iplt"); - htab->igotplt = bfd_get_section_by_name (abfd, - ".igot.plt"); - if (!htab->iplt - || !htab->irelplt - || !htab->igotplt) - abort (); - } - } + if (!_bfd_elf_create_ifunc_sections (abfd, info)) + return FALSE; break; } @@ -1534,8 +1460,8 @@ elf_i386_check_relocs (bfd *abfd, case R_386_GOT32: case R_386_GOTOFF: h->got.refcount += 1; - if (htab->sgot == NULL - && !elf_i386_create_got_section (htab->elf.dynobj, + if (htab->elf.sgot == NULL + && !_bfd_elf_create_got_section (htab->elf.dynobj, info)) return FALSE; break; @@ -1678,11 +1604,11 @@ elf_i386_check_relocs (bfd *abfd, case R_386_GOTOFF: case R_386_GOTPC: create_got: - if (htab->sgot == NULL) + if (htab->elf.sgot == NULL) { if (htab->elf.dynobj == NULL) htab->elf.dynobj = abfd; - if (!elf_i386_create_got_section (htab->elf.dynobj, info)) + if (!_bfd_elf_create_got_section (htab->elf.dynobj, info)) return FALSE; } if (r_type != R_386_TLS_IE) @@ -2175,11 +2101,11 @@ elf_i386_allocate_dynrelocs (struct elf_link_hash_entry *h, void *inf) /* When building a static executable, use .iplt, .igot.plt and .rel.iplt sections for STT_GNU_IFUNC symbols. */ - if (htab->splt != NULL) + if (htab->elf.splt != NULL) { - plt = htab->splt; - gotplt = htab->sgotplt; - relplt = htab->srelplt; + plt = htab->elf.splt; + gotplt = htab->elf.sgotplt; + relplt = htab->elf.srelplt; /* If this is the first .plt entry, make room for the special first entry. */ @@ -2188,9 +2114,9 @@ elf_i386_allocate_dynrelocs (struct elf_link_hash_entry *h, void *inf) } else { - plt = htab->iplt; - gotplt = htab->igotplt; - relplt = htab->irelplt; + plt = htab->elf.iplt; + gotplt = htab->elf.igotplt; + relplt = htab->elf.irelplt; } /* Don't update value of STT_GNU_IFUNC symbol to PLT. We need @@ -2218,7 +2144,7 @@ elf_i386_allocate_dynrelocs (struct elf_link_hash_entry *h, void *inf) /* Finally, allocate space. */ for (p = eh->dyn_relocs; p != NULL; p = p->next) - htab->irelifunc->size += p->count * sizeof (Elf32_External_Rel); + htab->elf.irelifunc->size += p->count * sizeof (Elf32_External_Rel); /* For STT_GNU_IFUNC symbol, .got.plt has the real function addres and .got has the PLT entry adddress. We will load @@ -2239,17 +2165,17 @@ elf_i386_allocate_dynrelocs (struct elf_link_hash_entry *h, void *inf) || (!info->shared && !h->pointer_equality_needed) || (info->executable && info->shared) - || htab->sgot == NULL) + || htab->elf.sgot == NULL) { /* Use .got.plt. */ h->got.offset = (bfd_vma) -1; } else { - h->got.offset = htab->sgot->size; - htab->sgot->size += 4; + h->got.offset = htab->elf.sgot->size; + htab->elf.sgot->size += 4; if (info->shared) - htab->srelgot->size += sizeof (Elf32_External_Rel); + htab->elf.srelgot->size += sizeof (Elf32_External_Rel); } return TRUE; @@ -2269,7 +2195,7 @@ elf_i386_allocate_dynrelocs (struct elf_link_hash_entry *h, void *inf) if (info->shared || WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, 0, h)) { - asection *s = htab->splt; + asection *s = htab->elf.splt; /* If this is the first .plt entry, make room for the special first entry. */ @@ -2295,10 +2221,10 @@ elf_i386_allocate_dynrelocs (struct elf_link_hash_entry *h, void *inf) /* We also need to make an entry in the .got.plt section, which will be placed in the .got section by the linker script. */ - htab->sgotplt->size += 4; + htab->elf.sgotplt->size += 4; /* We also need to make an entry in the .rel.plt section. */ - htab->srelplt->size += sizeof (Elf32_External_Rel); + htab->elf.srelplt->size += sizeof (Elf32_External_Rel); htab->next_tls_desc_index++; if (htab->is_vxworks && !info->shared) @@ -2357,12 +2283,12 @@ elf_i386_allocate_dynrelocs (struct elf_link_hash_entry *h, void *inf) return FALSE; } - s = htab->sgot; + s = htab->elf.sgot; if (GOT_TLS_GDESC_P (tls_type)) { - eh->tlsdesc_got = htab->sgotplt->size + eh->tlsdesc_got = htab->elf.sgotplt->size - elf_i386_compute_jump_table_size (htab); - htab->sgotplt->size += 8; + htab->elf.sgotplt->size += 8; h->got.offset = (bfd_vma) -2; } if (! GOT_TLS_GDESC_P (tls_type) @@ -2381,20 +2307,20 @@ elf_i386_allocate_dynrelocs (struct elf_link_hash_entry *h, void *inf) need two), R_386_TLS_GD needs one if local symbol and two if global. */ if (tls_type == GOT_TLS_IE_BOTH) - htab->srelgot->size += 2 * sizeof (Elf32_External_Rel); + htab->elf.srelgot->size += 2 * sizeof (Elf32_External_Rel); else if ((GOT_TLS_GD_P (tls_type) && h->dynindx == -1) || (tls_type & GOT_TLS_IE)) - htab->srelgot->size += sizeof (Elf32_External_Rel); + htab->elf.srelgot->size += sizeof (Elf32_External_Rel); else if (GOT_TLS_GD_P (tls_type)) - htab->srelgot->size += 2 * sizeof (Elf32_External_Rel); + htab->elf.srelgot->size += 2 * sizeof (Elf32_External_Rel); else if (! GOT_TLS_GDESC_P (tls_type) && (ELF_ST_VISIBILITY (h->other) == STV_DEFAULT || h->root.type != bfd_link_hash_undefweak) && (info->shared || WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, 0, h))) - htab->srelgot->size += sizeof (Elf32_External_Rel); + htab->elf.srelgot->size += sizeof (Elf32_External_Rel); if (GOT_TLS_GDESC_P (tls_type)) - htab->srelplt->size += sizeof (Elf32_External_Rel); + htab->elf.srelplt->size += sizeof (Elf32_External_Rel); } else h->got.offset = (bfd_vma) -1; @@ -2644,8 +2570,8 @@ elf_i386_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED, end_local_got = local_got + locsymcount; local_tls_type = elf_i386_local_got_tls_type (ibfd); local_tlsdesc_gotent = elf_i386_local_tlsdesc_gotent (ibfd); - s = htab->sgot; - srel = htab->srelgot; + s = htab->elf.sgot; + srel = htab->elf.srelgot; for (; local_got < end_local_got; ++local_got, ++local_tls_type, ++local_tlsdesc_gotent) { @@ -2654,9 +2580,9 @@ elf_i386_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED, { if (GOT_TLS_GDESC_P (*local_tls_type)) { - *local_tlsdesc_gotent = htab->sgotplt->size + *local_tlsdesc_gotent = htab->elf.sgotplt->size - elf_i386_compute_jump_table_size (htab); - htab->sgotplt->size += 8; + htab->elf.sgotplt->size += 8; *local_got = (bfd_vma) -2; } if (! GOT_TLS_GDESC_P (*local_tls_type) @@ -2678,7 +2604,7 @@ elf_i386_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED, || ! GOT_TLS_GDESC_P (*local_tls_type)) srel->size += sizeof (Elf32_External_Rel); if (GOT_TLS_GDESC_P (*local_tls_type)) - htab->srelplt->size += sizeof (Elf32_External_Rel); + htab->elf.srelplt->size += sizeof (Elf32_External_Rel); } } else @@ -2690,9 +2616,9 @@ elf_i386_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED, { /* Allocate 2 got entries and 1 dynamic reloc for R_386_TLS_LDM relocs. */ - htab->tls_ldm_got.offset = htab->sgot->size; - htab->sgot->size += 8; - htab->srelgot->size += sizeof (Elf32_External_Rel); + htab->tls_ldm_got.offset = htab->elf.sgot->size; + htab->elf.sgot->size += 8; + htab->elf.srelgot->size += sizeof (Elf32_External_Rel); } else htab->tls_ldm_got.offset = -1; @@ -2711,7 +2637,7 @@ elf_i386_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED, it's not incremented, so in order to compute the space reserved for them, it suffices to multiply the reloc count by the jump slot size. */ - if (htab->srelplt) + if (htab->elf.srelplt) htab->sgotplt_jump_table_size = htab->next_tls_desc_index * 4; /* We now have determined the sizes of the various dynamic sections. @@ -2724,11 +2650,11 @@ elf_i386_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED, if ((s->flags & SEC_LINKER_CREATED) == 0) continue; - if (s == htab->splt - || s == htab->sgot - || s == htab->sgotplt - || s == htab->iplt - || s == htab->igotplt + if (s == htab->elf.splt + || s == htab->elf.sgot + || s == htab->elf.sgotplt + || s == htab->elf.iplt + || s == htab->elf.igotplt || s == htab->sdynbss) { /* Strip this section if we don't need it; see the @@ -2742,7 +2668,9 @@ elf_i386_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED, } else if (CONST_STRNEQ (bfd_get_section_name (dynobj, s), ".rel")) { - if (s->size != 0 && s != htab->srelplt && s != htab->srelplt2) + if (s->size != 0 + && s != htab->elf.srelplt + && s != htab->srelplt2) relocs = TRUE; /* We use the reloc_count field as a counter if we need @@ -2800,7 +2728,7 @@ elf_i386_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED, return FALSE; } - if (htab->splt->size != 0) + if (htab->elf.splt->size != 0) { if (!add_dynamic_entry (DT_PLTGOT, 0) || !add_dynamic_entry (DT_PLTRELSZ, 0) @@ -3162,15 +3090,15 @@ elf_i386_relocate_section (bfd *output_bfd, abort (); /* STT_GNU_IFUNC symbol must go through PLT. */ - if (htab->splt != NULL) + if (htab->elf.splt != NULL) { - plt = htab->splt; - gotplt = htab->sgotplt; + plt = htab->elf.splt; + gotplt = htab->elf.sgotplt; } else { - plt = htab->iplt; - gotplt = htab->igotplt; + plt = htab->elf.iplt; + gotplt = htab->elf.igotplt; } relocation = (plt->output_section->vma @@ -3228,7 +3156,7 @@ elf_i386_relocate_section (bfd *output_bfd, else outrel.r_info = ELF32_R_INFO (h->dynindx, r_type); - sreloc = htab->irelifunc; + sreloc = htab->elf.irelifunc; loc = sreloc->contents; loc += (sreloc->reloc_count++ * sizeof (Elf32_External_Rel)); @@ -3247,7 +3175,7 @@ elf_i386_relocate_section (bfd *output_bfd, goto do_relocation; case R_386_GOT32: - base_got = htab->sgot; + base_got = htab->elf.sgot; off = h->got.offset; if (base_got == NULL) @@ -3259,17 +3187,17 @@ elf_i386_relocate_section (bfd *output_bfd, even just remember the offset, as finish_dynamic_symbol would use that as offset into .got. */ - if (htab->splt != NULL) + if (htab->elf.splt != NULL) { plt_index = h->plt.offset / PLT_ENTRY_SIZE - 1; off = (plt_index + 3) * 4; - base_got = htab->sgotplt; + base_got = htab->elf.sgotplt; } else { plt_index = h->plt.offset / PLT_ENTRY_SIZE; off = plt_index * 4; - base_got = htab->igotplt; + base_got = htab->elf.igotplt; } if (h->dynindx == -1 @@ -3298,7 +3226,7 @@ elf_i386_relocate_section (bfd *output_bfd, relocation = off; /* Adjust for static executables. */ - if (htab->splt == NULL) + if (htab->elf.splt == NULL) relocation += gotplt->output_offset; } else @@ -3308,7 +3236,7 @@ elf_i386_relocate_section (bfd *output_bfd, - gotplt->output_section->vma - gotplt->output_offset); /* Adjust for static executables. */ - if (htab->splt == NULL) + if (htab->elf.splt == NULL) relocation += gotplt->output_offset; } @@ -3326,7 +3254,7 @@ elf_i386_relocate_section (bfd *output_bfd, case R_386_GOT32: /* Relocation is to the entry for this symbol in the global offset table. */ - if (htab->sgot == NULL) + if (htab->elf.sgot == NULL) abort (); if (h != NULL) @@ -3358,7 +3286,7 @@ elf_i386_relocate_section (bfd *output_bfd, else { bfd_put_32 (output_bfd, relocation, - htab->sgot->contents + off); + htab->elf.sgot->contents + off); h->got.offset |= 1; } } @@ -3380,7 +3308,7 @@ elf_i386_relocate_section (bfd *output_bfd, else { bfd_put_32 (output_bfd, relocation, - htab->sgot->contents + off); + htab->elf.sgot->contents + off); if (info->shared) { @@ -3388,12 +3316,12 @@ elf_i386_relocate_section (bfd *output_bfd, Elf_Internal_Rela outrel; bfd_byte *loc; - s = htab->srelgot; + s = htab->elf.srelgot; if (s == NULL) abort (); - outrel.r_offset = (htab->sgot->output_section->vma - + htab->sgot->output_offset + outrel.r_offset = (htab->elf.sgot->output_section->vma + + htab->elf.sgot->output_offset + off); outrel.r_info = ELF32_R_INFO (0, R_386_RELATIVE); loc = s->contents; @@ -3408,10 +3336,10 @@ elf_i386_relocate_section (bfd *output_bfd, if (off >= (bfd_vma) -2) abort (); - relocation = htab->sgot->output_section->vma - + htab->sgot->output_offset + off - - htab->sgotplt->output_section->vma - - htab->sgotplt->output_offset; + relocation = htab->elf.sgot->output_section->vma + + htab->elf.sgot->output_offset + off + - htab->elf.sgotplt->output_section->vma + - htab->elf.sgotplt->output_offset; break; case R_386_GOTOFF: @@ -3467,14 +3395,14 @@ elf_i386_relocate_section (bfd *output_bfd, defined _GLOBAL_OFFSET_TABLE_ in a different way, as is permitted by the ABI, we might have to change this calculation. */ - relocation -= htab->sgotplt->output_section->vma - + htab->sgotplt->output_offset; + relocation -= htab->elf.sgotplt->output_section->vma + + htab->elf.sgotplt->output_offset; break; case R_386_GOTPC: /* Use global offset table as symbol value. */ - relocation = htab->sgotplt->output_section->vma - + htab->sgotplt->output_offset; + relocation = htab->elf.sgotplt->output_section->vma + + htab->elf.sgotplt->output_offset; unresolved_reloc = FALSE; break; @@ -3488,7 +3416,7 @@ elf_i386_relocate_section (bfd *output_bfd, break; if (h->plt.offset == (bfd_vma) -1 - || htab->splt == NULL) + || htab->elf.splt == NULL) { /* We didn't make a PLT entry for this symbol. This happens when statically linking PIC code, or when @@ -3496,8 +3424,8 @@ elf_i386_relocate_section (bfd *output_bfd, break; } - relocation = (htab->splt->output_section->vma - + htab->splt->output_offset + relocation = (htab->elf.splt->output_section->vma + + htab->elf.splt->output_offset + h->plt.offset); unresolved_reloc = FALSE; break; @@ -3800,7 +3728,7 @@ elf_i386_relocate_section (bfd *output_bfd, } } - if (htab->sgot == NULL) + if (htab->elf.sgot == NULL) abort (); if (h != NULL) @@ -3826,7 +3754,7 @@ elf_i386_relocate_section (bfd *output_bfd, int dr_type, indx; asection *sreloc; - if (htab->srelgot == NULL) + if (htab->elf.srelgot == NULL) abort (); indx = h && h->dynindx != -1 ? h->dynindx : 0; @@ -3835,12 +3763,12 @@ elf_i386_relocate_section (bfd *output_bfd, { outrel.r_info = ELF32_R_INFO (indx, R_386_TLS_DESC); BFD_ASSERT (htab->sgotplt_jump_table_size + offplt + 8 - <= htab->sgotplt->size); - outrel.r_offset = (htab->sgotplt->output_section->vma - + htab->sgotplt->output_offset + <= htab->elf.sgotplt->size); + outrel.r_offset = (htab->elf.sgotplt->output_section->vma + + htab->elf.sgotplt->output_offset + offplt + htab->sgotplt_jump_table_size); - sreloc = htab->srelplt; + sreloc = htab->elf.srelplt; loc = sreloc->contents; loc += (htab->next_tls_desc_index++ * sizeof (Elf32_External_Rel)); @@ -3852,21 +3780,21 @@ elf_i386_relocate_section (bfd *output_bfd, BFD_ASSERT (! unresolved_reloc); bfd_put_32 (output_bfd, relocation - elf_i386_dtpoff_base (info), - htab->sgotplt->contents + offplt + htab->elf.sgotplt->contents + offplt + htab->sgotplt_jump_table_size + 4); } else { bfd_put_32 (output_bfd, 0, - htab->sgotplt->contents + offplt + htab->elf.sgotplt->contents + offplt + htab->sgotplt_jump_table_size + 4); } } - sreloc = htab->srelgot; + sreloc = htab->elf.srelgot; - outrel.r_offset = (htab->sgot->output_section->vma - + htab->sgot->output_offset + off); + outrel.r_offset = (htab->elf.sgot->output_section->vma + + htab->elf.sgot->output_offset + off); if (GOT_TLS_GD_P (tls_type)) dr_type = R_386_TLS_DTPMOD32; @@ -3880,14 +3808,14 @@ elf_i386_relocate_section (bfd *output_bfd, if (dr_type == R_386_TLS_TPOFF && indx == 0) bfd_put_32 (output_bfd, relocation - elf_i386_dtpoff_base (info), - htab->sgot->contents + off); + htab->elf.sgot->contents + off); else if (dr_type == R_386_TLS_TPOFF32 && indx == 0) bfd_put_32 (output_bfd, elf_i386_dtpoff_base (info) - relocation, - htab->sgot->contents + off); + htab->elf.sgot->contents + off); else if (dr_type != R_386_TLS_DESC) bfd_put_32 (output_bfd, 0, - htab->sgot->contents + off); + htab->elf.sgot->contents + off); outrel.r_info = ELF32_R_INFO (indx, dr_type); loc = sreloc->contents; @@ -3903,12 +3831,12 @@ elf_i386_relocate_section (bfd *output_bfd, BFD_ASSERT (! unresolved_reloc); bfd_put_32 (output_bfd, relocation - elf_i386_dtpoff_base (info), - htab->sgot->contents + off + 4); + htab->elf.sgot->contents + off + 4); } else { bfd_put_32 (output_bfd, 0, - htab->sgot->contents + off + 4); + htab->elf.sgot->contents + off + 4); outrel.r_info = ELF32_R_INFO (indx, R_386_TLS_DTPOFF32); outrel.r_offset += 4; @@ -3925,7 +3853,7 @@ elf_i386_relocate_section (bfd *output_bfd, (indx == 0 ? relocation - elf_i386_dtpoff_base (info) : 0), - htab->sgot->contents + off + 4); + htab->elf.sgot->contents + off + 4); outrel.r_info = ELF32_R_INFO (indx, R_386_TLS_TPOFF); outrel.r_offset += 4; sreloc->reloc_count++; @@ -3951,10 +3879,10 @@ elf_i386_relocate_section (bfd *output_bfd, } else if (r_type == ELF32_R_TYPE (rel->r_info)) { - bfd_vma g_o_t = htab->sgotplt->output_section->vma - + htab->sgotplt->output_offset; - relocation = htab->sgot->output_section->vma - + htab->sgot->output_offset + off - g_o_t; + bfd_vma g_o_t = htab->elf.sgotplt->output_section->vma + + htab->elf.sgotplt->output_offset; + relocation = htab->elf.sgot->output_section->vma + + htab->elf.sgot->output_offset + off - g_o_t; if ((r_type == R_386_TLS_IE || r_type == R_386_TLS_GOTIE) && tls_type == GOT_TLS_IE_BOTH) relocation += 4; @@ -3996,10 +3924,10 @@ elf_i386_relocate_section (bfd *output_bfd, if (tls_type == GOT_TLS_IE_POS) contents[roff + 6] = 0x03; bfd_put_32 (output_bfd, - htab->sgot->output_section->vma - + htab->sgot->output_offset + off - - htab->sgotplt->output_section->vma - - htab->sgotplt->output_offset, + htab->elf.sgot->output_section->vma + + htab->elf.sgot->output_offset + off + - htab->elf.sgotplt->output_section->vma + - htab->elf.sgotplt->output_offset, contents + roff + 8); /* Skip R_386_PLT32. */ rel++; @@ -4037,10 +3965,10 @@ elf_i386_relocate_section (bfd *output_bfd, off += 4; bfd_put_32 (output_bfd, - htab->sgot->output_section->vma - + htab->sgot->output_offset + off - - htab->sgotplt->output_section->vma - - htab->sgotplt->output_offset, + htab->elf.sgot->output_section->vma + + htab->elf.sgot->output_offset + off + - htab->elf.sgotplt->output_section->vma + - htab->elf.sgotplt->output_offset, contents + roff); continue; } @@ -4103,7 +4031,7 @@ elf_i386_relocate_section (bfd *output_bfd, continue; } - if (htab->sgot == NULL) + if (htab->elf.sgot == NULL) abort (); off = htab->tls_ldm_got.offset; @@ -4114,26 +4042,26 @@ elf_i386_relocate_section (bfd *output_bfd, Elf_Internal_Rela outrel; bfd_byte *loc; - if (htab->srelgot == NULL) + if (htab->elf.srelgot == NULL) abort (); - outrel.r_offset = (htab->sgot->output_section->vma - + htab->sgot->output_offset + off); + outrel.r_offset = (htab->elf.sgot->output_section->vma + + htab->elf.sgot->output_offset + off); bfd_put_32 (output_bfd, 0, - htab->sgot->contents + off); + htab->elf.sgot->contents + off); bfd_put_32 (output_bfd, 0, - htab->sgot->contents + off + 4); + htab->elf.sgot->contents + off + 4); outrel.r_info = ELF32_R_INFO (0, R_386_TLS_DTPMOD32); - loc = htab->srelgot->contents; - loc += htab->srelgot->reloc_count++ * sizeof (Elf32_External_Rel); + loc = htab->elf.srelgot->contents; + loc += htab->elf.srelgot->reloc_count++ * sizeof (Elf32_External_Rel); bfd_elf32_swap_reloc_out (output_bfd, &outrel, loc); htab->tls_ldm_got.offset |= 1; } - relocation = htab->sgot->output_section->vma - + htab->sgot->output_offset + off - - htab->sgotplt->output_section->vma - - htab->sgotplt->output_offset; + relocation = htab->elf.sgot->output_section->vma + + htab->elf.sgot->output_offset + off + - htab->elf.sgotplt->output_section->vma + - htab->elf.sgotplt->output_offset; unresolved_reloc = FALSE; break; @@ -4272,17 +4200,17 @@ elf_i386_finish_dynamic_symbol (bfd *output_bfd, /* When building a static executable, use .iplt, .igot.plt and .rel.iplt sections for STT_GNU_IFUNC symbols. */ - if (htab->splt != NULL) + if (htab->elf.splt != NULL) { - plt = htab->splt; - gotplt = htab->sgotplt; - relplt = htab->srelplt; + plt = htab->elf.splt; + gotplt = htab->elf.sgotplt; + relplt = htab->elf.srelplt; } else { - plt = htab->iplt; - gotplt = htab->igotplt; - relplt = htab->irelplt; + plt = htab->elf.iplt; + gotplt = htab->elf.igotplt; + relplt = htab->elf.irelplt; } /* This symbol has an entry in the procedure linkage table. Set @@ -4308,7 +4236,7 @@ elf_i386_finish_dynamic_symbol (bfd *output_bfd, For static executables, we don't reserve anything. */ - if (plt == htab->splt) + if (plt == htab->elf.splt) { plt_index = h->plt.offset / PLT_ENTRY_SIZE - 1; got_offset = (plt_index + 3) * 4; @@ -4350,16 +4278,16 @@ elf_i386_finish_dynamic_symbol (bfd *output_bfd, loc = (htab->srelplt2->contents + reloc_index * sizeof (Elf32_External_Rel)); - rel.r_offset = (htab->splt->output_section->vma - + htab->splt->output_offset + rel.r_offset = (htab->elf.splt->output_section->vma + + htab->elf.splt->output_offset + h->plt.offset + 2), rel.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_386_32); bfd_elf32_swap_reloc_out (output_bfd, &rel, loc); /* Create the R_386_32 relocation referencing the beginning of the PLT for this GOT entry. */ - rel.r_offset = (htab->sgotplt->output_section->vma - + htab->sgotplt->output_offset + rel.r_offset = (htab->elf.sgotplt->output_section->vma + + htab->elf.sgotplt->output_offset + got_offset); rel.r_info = ELF32_R_INFO (htab->elf.hplt->indx, R_386_32); bfd_elf32_swap_reloc_out (output_bfd, &rel, @@ -4375,7 +4303,7 @@ elf_i386_finish_dynamic_symbol (bfd *output_bfd, } /* Don't fill PLT entry for static executables. */ - if (plt == htab->splt) + if (plt == htab->elf.splt) { bfd_put_32 (output_bfd, plt_index * sizeof (Elf32_External_Rel), plt->contents + h->plt.offset + 7); @@ -4442,11 +4370,11 @@ elf_i386_finish_dynamic_symbol (bfd *output_bfd, /* This symbol has an entry in the global offset table. Set it up. */ - if (htab->sgot == NULL || htab->srelgot == NULL) + if (htab->elf.sgot == NULL || htab->elf.srelgot == NULL) abort (); - rel.r_offset = (htab->sgot->output_section->vma - + htab->sgot->output_offset + rel.r_offset = (htab->elf.sgot->output_section->vma + + htab->elf.sgot->output_offset + (h->got.offset & ~(bfd_vma) 1)); /* If this is a static link, or it is a -Bsymbolic link and the @@ -4470,11 +4398,11 @@ elf_i386_finish_dynamic_symbol (bfd *output_bfd, /* For non-shared object, we can't use .got.plt, which contains the real function addres if we need pointer equality. We load the GOT entry with the PLT entry. */ - asection *plt = htab->splt ? htab->splt : htab->iplt; + asection *plt = htab->elf.splt ? htab->elf.splt : htab->elf.iplt; bfd_put_32 (output_bfd, (plt->output_section->vma + plt->output_offset + h->plt.offset), - htab->sgot->contents + h->got.offset); + htab->elf.sgot->contents + h->got.offset); return TRUE; } } @@ -4489,12 +4417,12 @@ elf_i386_finish_dynamic_symbol (bfd *output_bfd, BFD_ASSERT((h->got.offset & 1) == 0); do_glob_dat: bfd_put_32 (output_bfd, (bfd_vma) 0, - htab->sgot->contents + h->got.offset); + htab->elf.sgot->contents + h->got.offset); rel.r_info = ELF32_R_INFO (h->dynindx, R_386_GLOB_DAT); } - loc = htab->srelgot->contents; - loc += htab->srelgot->reloc_count++ * sizeof (Elf32_External_Rel); + loc = htab->elf.srelgot->contents; + loc += htab->elf.srelgot->reloc_count++ * sizeof (Elf32_External_Rel); bfd_elf32_swap_reloc_out (output_bfd, &rel, loc); } @@ -4585,7 +4513,7 @@ elf_i386_finish_dynamic_sections (bfd *output_bfd, { Elf32_External_Dyn *dyncon, *dynconend; - if (sdyn == NULL || htab->sgot == NULL) + if (sdyn == NULL || htab->elf.sgot == NULL) abort (); dyncon = (Elf32_External_Dyn *) sdyn->contents; @@ -4606,17 +4534,17 @@ elf_i386_finish_dynamic_sections (bfd *output_bfd, continue; case DT_PLTGOT: - s = htab->sgotplt; + s = htab->elf.sgotplt; dyn.d_un.d_ptr = s->output_section->vma + s->output_offset; break; case DT_JMPREL: - s = htab->srelplt; + s = htab->elf.srelplt; dyn.d_un.d_ptr = s->output_section->vma + s->output_offset; break; case DT_PLTRELSZ: - s = htab->srelplt; + s = htab->elf.srelplt; dyn.d_un.d_val = s->size; break; @@ -4627,7 +4555,7 @@ elf_i386_finish_dynamic_sections (bfd *output_bfd, what Solaris does. However, UnixWare can not handle that case. Therefore, we override the DT_RELSZ entry here to make it not include the JMPREL relocs. */ - s = htab->srelplt; + s = htab->elf.srelplt; if (s == NULL) continue; dyn.d_un.d_val -= s->size; @@ -4637,7 +4565,7 @@ elf_i386_finish_dynamic_sections (bfd *output_bfd, /* We may not be using the standard ELF linker script. If .rel.plt is the first .rel section, we adjust DT_REL to not include it. */ - s = htab->srelplt; + s = htab->elf.srelplt; if (s == NULL) continue; if (dyn.d_un.d_ptr != s->output_section->vma + s->output_offset) @@ -4650,33 +4578,33 @@ elf_i386_finish_dynamic_sections (bfd *output_bfd, } /* Fill in the first entry in the procedure linkage table. */ - if (htab->splt && htab->splt->size > 0) + if (htab->elf.splt && htab->elf.splt->size > 0) { if (info->shared) { - memcpy (htab->splt->contents, elf_i386_pic_plt0_entry, + memcpy (htab->elf.splt->contents, elf_i386_pic_plt0_entry, sizeof (elf_i386_pic_plt0_entry)); - memset (htab->splt->contents + sizeof (elf_i386_pic_plt0_entry), + memset (htab->elf.splt->contents + sizeof (elf_i386_pic_plt0_entry), htab->plt0_pad_byte, PLT_ENTRY_SIZE - sizeof (elf_i386_pic_plt0_entry)); } else { - memcpy (htab->splt->contents, elf_i386_plt0_entry, + memcpy (htab->elf.splt->contents, elf_i386_plt0_entry, sizeof(elf_i386_plt0_entry)); - memset (htab->splt->contents + sizeof (elf_i386_plt0_entry), + memset (htab->elf.splt->contents + sizeof (elf_i386_plt0_entry), htab->plt0_pad_byte, PLT_ENTRY_SIZE - sizeof (elf_i386_plt0_entry)); bfd_put_32 (output_bfd, - (htab->sgotplt->output_section->vma - + htab->sgotplt->output_offset + (htab->elf.sgotplt->output_section->vma + + htab->elf.sgotplt->output_offset + 4), - htab->splt->contents + 2); + htab->elf.splt->contents + 2); bfd_put_32 (output_bfd, - (htab->sgotplt->output_section->vma - + htab->sgotplt->output_offset + (htab->elf.sgotplt->output_section->vma + + htab->elf.sgotplt->output_offset + 8), - htab->splt->contents + 8); + htab->elf.splt->contents + 8); if (htab->is_vxworks) { @@ -4685,15 +4613,15 @@ elf_i386_finish_dynamic_sections (bfd *output_bfd, /* Generate a relocation for _GLOBAL_OFFSET_TABLE_ + 4. On IA32 we use REL relocations so the addend goes in the PLT directly. */ - rel.r_offset = (htab->splt->output_section->vma - + htab->splt->output_offset + rel.r_offset = (htab->elf.splt->output_section->vma + + htab->elf.splt->output_offset + 2); rel.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_386_32); bfd_elf32_swap_reloc_out (output_bfd, &rel, htab->srelplt2->contents); /* Generate a relocation for _GLOBAL_OFFSET_TABLE_ + 8. */ - rel.r_offset = (htab->splt->output_section->vma - + htab->splt->output_offset + rel.r_offset = (htab->elf.splt->output_section->vma + + htab->elf.splt->output_offset + 8); rel.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_386_32); bfd_elf32_swap_reloc_out (output_bfd, &rel, @@ -4704,13 +4632,13 @@ elf_i386_finish_dynamic_sections (bfd *output_bfd, /* UnixWare sets the entsize of .plt to 4, although that doesn't really seem like the right value. */ - elf_section_data (htab->splt->output_section) + elf_section_data (htab->elf.splt->output_section) ->this_hdr.sh_entsize = 4; /* Correct the .rel.plt.unloaded relocations. */ if (htab->is_vxworks && !info->shared) { - int num_plts = (htab->splt->size / PLT_ENTRY_SIZE) - 1; + int num_plts = (htab->elf.splt->size / PLT_ENTRY_SIZE) - 1; unsigned char *p; p = htab->srelplt2->contents; @@ -4736,24 +4664,24 @@ elf_i386_finish_dynamic_sections (bfd *output_bfd, } } - if (htab->sgotplt) + if (htab->elf.sgotplt) { /* Fill in the first three entries in the global offset table. */ - if (htab->sgotplt->size > 0) + if (htab->elf.sgotplt->size > 0) { bfd_put_32 (output_bfd, (sdyn == NULL ? 0 : sdyn->output_section->vma + sdyn->output_offset), - htab->sgotplt->contents); - bfd_put_32 (output_bfd, 0, htab->sgotplt->contents + 4); - bfd_put_32 (output_bfd, 0, htab->sgotplt->contents + 8); + htab->elf.sgotplt->contents); + bfd_put_32 (output_bfd, 0, htab->elf.sgotplt->contents + 4); + bfd_put_32 (output_bfd, 0, htab->elf.sgotplt->contents + 8); } - elf_section_data (htab->sgotplt->output_section)->this_hdr.sh_entsize = 4; + elf_section_data (htab->elf.sgotplt->output_section)->this_hdr.sh_entsize = 4; } - if (htab->sgot && htab->sgot->size > 0) - elf_section_data (htab->sgot->output_section)->this_hdr.sh_entsize = 4; + if (htab->elf.sgot && htab->elf.sgot->size > 0) + elf_section_data (htab->elf.sgot->output_section)->this_hdr.sh_entsize = 4; /* Fill PLT and GOT entries for local STT_GNU_IFUNC symbols. */ htab_traverse (htab->loc_hash_table, diff --git a/bfd/elf64-x86-64.c b/bfd/elf64-x86-64.c index 02e8201..06408b0 100644 --- a/bfd/elf64-x86-64.c +++ b/bfd/elf64-x86-64.c @@ -488,17 +488,8 @@ struct elf64_x86_64_link_hash_table struct elf_link_hash_table elf; /* Short-cuts to get to dynamic linker sections. */ - asection *sgot; - asection *sgotplt; - asection *srelgot; - asection *splt; - asection *srelplt; asection *sdynbss; asection *srelbss; - asection *igotplt; - asection *iplt; - asection *irelplt; - asection *irelifunc; /* The offset into splt of the PLT entry for the TLS descriptor resolver. Special values are 0, if not necessary (or not found @@ -534,7 +525,7 @@ struct elf64_x86_64_link_hash_table ((struct elf64_x86_64_link_hash_table *) ((p)->hash)) #define elf64_x86_64_compute_jump_table_size(htab) \ - ((htab)->srelplt->reloc_count * GOT_ENTRY_SIZE) + ((htab)->elf.srelplt->reloc_count * GOT_ENTRY_SIZE) /* Create an entry in an x86-64 ELF linker hash table. */ @@ -664,17 +655,8 @@ elf64_x86_64_link_hash_table_create (bfd *abfd) return NULL; } - ret->sgot = NULL; - ret->sgotplt = NULL; - ret->srelgot = NULL; - ret->splt = NULL; - ret->srelplt = NULL; ret->sdynbss = NULL; ret->srelbss = NULL; - ret->igotplt= NULL; - ret->iplt = NULL; - ret->irelplt= NULL; - ret->irelifunc = NULL; ret->sym_sec.abfd = NULL; ret->tlsdesc_plt = 0; ret->tlsdesc_got = 0; @@ -711,35 +693,6 @@ elf64_x86_64_link_hash_table_free (struct bfd_link_hash_table *hash) _bfd_generic_link_hash_table_free (hash); } -/* Create .got, .gotplt, and .rela.got sections in DYNOBJ, and set up - shortcuts to them in our hash table. */ - -static bfd_boolean -elf64_x86_64_create_got_section (bfd *dynobj, struct bfd_link_info *info) -{ - struct elf64_x86_64_link_hash_table *htab; - - if (! _bfd_elf_create_got_section (dynobj, info)) - return FALSE; - - htab = elf64_x86_64_hash_table (info); - htab->sgot = bfd_get_section_by_name (dynobj, ".got"); - htab->sgotplt = bfd_get_section_by_name (dynobj, ".got.plt"); - if (!htab->sgot || !htab->sgotplt) - abort (); - - htab->srelgot = bfd_make_section_with_flags (dynobj, ".rela.got", - (SEC_ALLOC | SEC_LOAD - | SEC_HAS_CONTENTS - | SEC_IN_MEMORY - | SEC_LINKER_CREATED - | SEC_READONLY)); - if (htab->srelgot == NULL - || ! bfd_set_section_alignment (dynobj, htab->srelgot, 3)) - return FALSE; - return TRUE; -} - /* Create .plt, .rela.plt, .got, .got.plt, .rela.got, .dynbss, and .rela.bss sections in DYNOBJ, and set up shortcuts to them in our hash table. */ @@ -749,20 +702,15 @@ elf64_x86_64_create_dynamic_sections (bfd *dynobj, struct bfd_link_info *info) { struct elf64_x86_64_link_hash_table *htab; - htab = elf64_x86_64_hash_table (info); - if (!htab->sgot && !elf64_x86_64_create_got_section (dynobj, info)) - return FALSE; - if (!_bfd_elf_create_dynamic_sections (dynobj, info)) return FALSE; - htab->splt = bfd_get_section_by_name (dynobj, ".plt"); - htab->srelplt = bfd_get_section_by_name (dynobj, ".rela.plt"); + htab = elf64_x86_64_hash_table (info); htab->sdynbss = bfd_get_section_by_name (dynobj, ".dynbss"); if (!info->shared) htab->srelbss = bfd_get_section_by_name (dynobj, ".rela.bss"); - if (!htab->splt || !htab->srelplt || !htab->sdynbss + if (!htab->sdynbss || (!info->shared && !htab->srelbss)) abort (); @@ -1213,31 +1161,8 @@ elf64_x86_64_check_relocs (bfd *abfd, struct bfd_link_info *info, case R_X86_64_PLT32: case R_X86_64_GOTPCREL: case R_X86_64_GOTPCREL64: - if (htab->irelifunc == NULL && htab->iplt == NULL) - { - if (!_bfd_elf_create_ifunc_sections (abfd, info)) - return FALSE; - - if (info->shared) - { - htab->irelifunc = bfd_get_section_by_name (abfd, - ".rela.ifunc"); - if (!htab->irelifunc) - abort (); - } - else - { - htab->iplt = bfd_get_section_by_name (abfd, ".iplt"); - htab->irelplt = bfd_get_section_by_name (abfd, - ".rela.iplt"); - htab->igotplt = bfd_get_section_by_name (abfd, - ".igot.plt"); - if (!htab->iplt - || !htab->irelplt - || !htab->igotplt) - abort (); - } - } + if (!_bfd_elf_create_ifunc_sections (abfd, info)) + return FALSE; break; } @@ -1328,9 +1253,9 @@ elf64_x86_64_check_relocs (bfd *abfd, struct bfd_link_info *info, case R_X86_64_GOTPCREL: case R_X86_64_GOTPCREL64: h->got.refcount += 1; - if (htab->sgot == NULL - && !elf64_x86_64_create_got_section (htab->elf.dynobj, - info)) + if (htab->elf.sgot == NULL + && !_bfd_elf_create_got_section (htab->elf.dynobj, + info)) return FALSE; break; } @@ -1466,12 +1391,12 @@ elf64_x86_64_check_relocs (bfd *abfd, struct bfd_link_info *info, case R_X86_64_GOTPC32: case R_X86_64_GOTPC64: create_got: - if (htab->sgot == NULL) + if (htab->elf.sgot == NULL) { if (htab->elf.dynobj == NULL) htab->elf.dynobj = abfd; - if (!elf64_x86_64_create_got_section (htab->elf.dynobj, - info)) + if (!_bfd_elf_create_got_section (htab->elf.dynobj, + info)) return FALSE; } break; @@ -2017,11 +1942,11 @@ elf64_x86_64_allocate_dynrelocs (struct elf_link_hash_entry *h, void * inf) /* When building a static executable, use .iplt, .igot.plt and .rela.iplt sections for STT_GNU_IFUNC symbols. */ - if (htab->splt != NULL) + if (htab->elf.splt != NULL) { - plt = htab->splt; - gotplt = htab->sgotplt; - relplt = htab->srelplt; + plt = htab->elf.splt; + gotplt = htab->elf.sgotplt; + relplt = htab->elf.srelplt; /* If this is the first .plt entry, make room for the special first entry. */ @@ -2030,9 +1955,9 @@ elf64_x86_64_allocate_dynrelocs (struct elf_link_hash_entry *h, void * inf) } else { - plt = htab->iplt; - gotplt = htab->igotplt; - relplt = htab->irelplt; + plt = htab->elf.iplt; + gotplt = htab->elf.igotplt; + relplt = htab->elf.irelplt; } /* Don't update value of STT_GNU_IFUNC symbol to PLT. We need @@ -2060,7 +1985,8 @@ elf64_x86_64_allocate_dynrelocs (struct elf_link_hash_entry *h, void * inf) /* Finally, allocate space. */ for (p = eh->dyn_relocs; p != NULL; p = p->next) - htab->irelifunc->size += p->count * sizeof (Elf64_External_Rela); + htab->elf.irelifunc->size + += p->count * sizeof (Elf64_External_Rela); /* For STT_GNU_IFUNC symbol, .got.plt has the real function addres and .got has the PLT entry adddress. We will load @@ -2081,17 +2007,17 @@ elf64_x86_64_allocate_dynrelocs (struct elf_link_hash_entry *h, void * inf) || (!info->shared && !h->pointer_equality_needed) || (info->executable && info->shared) - || htab->sgot == NULL) + || htab->elf.sgot == NULL) { /* Use .got.plt. */ h->got.offset = (bfd_vma) -1; } else { - h->got.offset = htab->sgot->size; - htab->sgot->size += GOT_ENTRY_SIZE; + h->got.offset = htab->elf.sgot->size; + htab->elf.sgot->size += GOT_ENTRY_SIZE; if (info->shared) - htab->srelgot->size += sizeof (Elf64_External_Rela); + htab->elf.srelgot->size += sizeof (Elf64_External_Rela); } return TRUE; @@ -2111,7 +2037,7 @@ elf64_x86_64_allocate_dynrelocs (struct elf_link_hash_entry *h, void * inf) if (info->shared || WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, 0, h)) { - asection *s = htab->splt; + asection *s = htab->elf.splt; /* If this is the first .plt entry, make room for the special first entry. */ @@ -2137,11 +2063,11 @@ elf64_x86_64_allocate_dynrelocs (struct elf_link_hash_entry *h, void * inf) /* We also need to make an entry in the .got.plt section, which will be placed in the .got section by the linker script. */ - htab->sgotplt->size += GOT_ENTRY_SIZE; + htab->elf.sgotplt->size += GOT_ENTRY_SIZE; /* We also need to make an entry in the .rela.plt section. */ - htab->srelplt->size += sizeof (Elf64_External_Rela); - htab->srelplt->reloc_count++; + htab->elf.srelplt->size += sizeof (Elf64_External_Rela); + htab->elf.srelplt->reloc_count++; } else { @@ -2183,15 +2109,15 @@ elf64_x86_64_allocate_dynrelocs (struct elf_link_hash_entry *h, void * inf) if (GOT_TLS_GDESC_P (tls_type)) { - eh->tlsdesc_got = htab->sgotplt->size + eh->tlsdesc_got = htab->elf.sgotplt->size - elf64_x86_64_compute_jump_table_size (htab); - htab->sgotplt->size += 2 * GOT_ENTRY_SIZE; + htab->elf.sgotplt->size += 2 * GOT_ENTRY_SIZE; h->got.offset = (bfd_vma) -2; } if (! GOT_TLS_GDESC_P (tls_type) || GOT_TLS_GD_P (tls_type)) { - s = htab->sgot; + s = htab->elf.sgot; h->got.offset = s->size; s->size += GOT_ENTRY_SIZE; if (GOT_TLS_GD_P (tls_type)) @@ -2203,18 +2129,18 @@ elf64_x86_64_allocate_dynrelocs (struct elf_link_hash_entry *h, void * inf) R_X86_64_GOTTPOFF needs one dynamic relocation. */ if ((GOT_TLS_GD_P (tls_type) && h->dynindx == -1) || tls_type == GOT_TLS_IE) - htab->srelgot->size += sizeof (Elf64_External_Rela); + htab->elf.srelgot->size += sizeof (Elf64_External_Rela); else if (GOT_TLS_GD_P (tls_type)) - htab->srelgot->size += 2 * sizeof (Elf64_External_Rela); + htab->elf.srelgot->size += 2 * sizeof (Elf64_External_Rela); else if (! GOT_TLS_GDESC_P (tls_type) && (ELF_ST_VISIBILITY (h->other) == STV_DEFAULT || h->root.type != bfd_link_hash_undefweak) && (info->shared || WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, 0, h))) - htab->srelgot->size += sizeof (Elf64_External_Rela); + htab->elf.srelgot->size += sizeof (Elf64_External_Rela); if (GOT_TLS_GDESC_P (tls_type)) { - htab->srelplt->size += sizeof (Elf64_External_Rela); + htab->elf.srelplt->size += sizeof (Elf64_External_Rela); htab->tlsdesc_plt = (bfd_vma) -1; } } @@ -2445,8 +2371,8 @@ elf64_x86_64_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED, end_local_got = local_got + locsymcount; local_tls_type = elf64_x86_64_local_got_tls_type (ibfd); local_tlsdesc_gotent = elf64_x86_64_local_tlsdesc_gotent (ibfd); - s = htab->sgot; - srel = htab->srelgot; + s = htab->elf.sgot; + srel = htab->elf.srelgot; for (; local_got < end_local_got; ++local_got, ++local_tls_type, ++local_tlsdesc_gotent) { @@ -2455,9 +2381,9 @@ elf64_x86_64_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED, { if (GOT_TLS_GDESC_P (*local_tls_type)) { - *local_tlsdesc_gotent = htab->sgotplt->size + *local_tlsdesc_gotent = htab->elf.sgotplt->size - elf64_x86_64_compute_jump_table_size (htab); - htab->sgotplt->size += 2 * GOT_ENTRY_SIZE; + htab->elf.sgotplt->size += 2 * GOT_ENTRY_SIZE; *local_got = (bfd_vma) -2; } if (! GOT_TLS_GDESC_P (*local_tls_type) @@ -2474,7 +2400,8 @@ elf64_x86_64_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED, { if (GOT_TLS_GDESC_P (*local_tls_type)) { - htab->srelplt->size += sizeof (Elf64_External_Rela); + htab->elf.srelplt->size + += sizeof (Elf64_External_Rela); htab->tlsdesc_plt = (bfd_vma) -1; } if (! GOT_TLS_GDESC_P (*local_tls_type) @@ -2491,9 +2418,9 @@ elf64_x86_64_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED, { /* Allocate 2 got entries and 1 dynamic reloc for R_X86_64_TLSLD relocs. */ - htab->tls_ld_got.offset = htab->sgot->size; - htab->sgot->size += 2 * GOT_ENTRY_SIZE; - htab->srelgot->size += sizeof (Elf64_External_Rela); + htab->tls_ld_got.offset = htab->elf.sgot->size; + htab->elf.sgot->size += 2 * GOT_ENTRY_SIZE; + htab->elf.srelgot->size += sizeof (Elf64_External_Rela); } else htab->tls_ld_got.offset = -1; @@ -2513,7 +2440,7 @@ elf64_x86_64_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED, it's not incremented, so in order to compute the space reserved for them, it suffices to multiply the reloc count by the jump slot size. */ - if (htab->srelplt) + if (htab->elf.srelplt) htab->sgotplt_jump_table_size = elf64_x86_64_compute_jump_table_size (htab); @@ -2525,14 +2452,14 @@ elf64_x86_64_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED, htab->tlsdesc_plt = 0; else { - htab->tlsdesc_got = htab->sgot->size; - htab->sgot->size += GOT_ENTRY_SIZE; + htab->tlsdesc_got = htab->elf.sgot->size; + htab->elf.sgot->size += GOT_ENTRY_SIZE; /* Reserve room for the initial entry. FIXME: we could probably do away with it in this case. */ - if (htab->splt->size == 0) - htab->splt->size += PLT_ENTRY_SIZE; - htab->tlsdesc_plt = htab->splt->size; - htab->splt->size += PLT_ENTRY_SIZE; + if (htab->elf.splt->size == 0) + htab->elf.splt->size += PLT_ENTRY_SIZE; + htab->tlsdesc_plt = htab->elf.splt->size; + htab->elf.splt->size += PLT_ENTRY_SIZE; } } @@ -2544,11 +2471,11 @@ elf64_x86_64_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED, if ((s->flags & SEC_LINKER_CREATED) == 0) continue; - if (s == htab->splt - || s == htab->sgot - || s == htab->sgotplt - || s == htab->iplt - || s == htab->igotplt + if (s == htab->elf.splt + || s == htab->elf.sgot + || s == htab->elf.sgotplt + || s == htab->elf.iplt + || s == htab->elf.igotplt || s == htab->sdynbss) { /* Strip this section if we don't need it; see the @@ -2556,12 +2483,12 @@ elf64_x86_64_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED, } else if (CONST_STRNEQ (bfd_get_section_name (dynobj, s), ".rela")) { - if (s->size != 0 && s != htab->srelplt) + if (s->size != 0 && s != htab->elf.srelplt) relocs = TRUE; /* We use the reloc_count field as a counter if we need to copy relocs into the output file. */ - if (s != htab->srelplt) + if (s != htab->elf.srelplt) s->reloc_count = 0; } else @@ -2615,7 +2542,7 @@ elf64_x86_64_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED, return FALSE; } - if (htab->splt->size != 0) + if (htab->elf.splt->size != 0) { if (!add_dynamic_entry (DT_PLTGOT, 0) || !add_dynamic_entry (DT_PLTRELSZ, 0) @@ -2879,7 +2806,7 @@ elf64_x86_64_relocate_section (bfd *output_bfd, struct bfd_link_info *info, abort (); /* STT_GNU_IFUNC symbol must go through PLT. */ - plt = htab->splt ? htab->splt : htab->iplt; + plt = htab->elf.splt ? htab->elf.splt : htab->elf.iplt; relocation = (plt->output_section->vma + plt->output_offset + h->plt.offset); @@ -2952,7 +2879,7 @@ elf64_x86_64_relocate_section (bfd *output_bfd, struct bfd_link_info *info, outrel.r_addend = 0; } - sreloc = htab->irelifunc; + sreloc = htab->elf.irelifunc; loc = sreloc->contents; loc += (sreloc->reloc_count++ * sizeof (Elf64_External_Rela)); @@ -2974,7 +2901,7 @@ elf64_x86_64_relocate_section (bfd *output_bfd, struct bfd_link_info *info, case R_X86_64_GOTPCREL: case R_X86_64_GOTPCREL64: - base_got = htab->sgot; + base_got = htab->elf.sgot; off = h->got.offset; if (base_got == NULL) @@ -2986,17 +2913,17 @@ elf64_x86_64_relocate_section (bfd *output_bfd, struct bfd_link_info *info, even just remember the offset, as finish_dynamic_symbol would use that as offset into .got. */ - if (htab->splt != NULL) + if (htab->elf.splt != NULL) { plt_index = h->plt.offset / PLT_ENTRY_SIZE - 1; off = (plt_index + 3) * GOT_ENTRY_SIZE; - base_got = htab->sgotplt; + base_got = htab->elf.sgotplt; } else { plt_index = h->plt.offset / PLT_ENTRY_SIZE; off = plt_index * GOT_ENTRY_SIZE; - base_got = htab->igotplt; + base_got = htab->elf.igotplt; } if (h->dynindx == -1 @@ -3032,10 +2959,10 @@ elf64_x86_64_relocate_section (bfd *output_bfd, struct bfd_link_info *info, && r_type != R_X86_64_GOTPCREL64) { asection *gotplt; - if (htab->splt != NULL) - gotplt = htab->sgotplt; + if (htab->elf.splt != NULL) + gotplt = htab->elf.sgotplt; else - gotplt = htab->igotplt; + gotplt = htab->elf.igotplt; relocation -= (gotplt->output_section->vma - gotplt->output_offset); } @@ -3062,9 +2989,9 @@ elf64_x86_64_relocate_section (bfd *output_bfd, struct bfd_link_info *info, offset, if this symbol got a PLT entry (it was global). Additionally if it's computed from the PLT entry, then that GOT offset is relative to .got.plt, not to .got. */ - base_got = htab->sgot; + base_got = htab->elf.sgot; - if (htab->sgot == NULL) + if (htab->elf.sgot == NULL) abort (); if (h != NULL) @@ -3082,7 +3009,7 @@ elf64_x86_64_relocate_section (bfd *output_bfd, struct bfd_link_info *info, .got. */ bfd_vma plt_index = h->plt.offset / PLT_ENTRY_SIZE - 1; off = (plt_index + 3) * GOT_ENTRY_SIZE; - base_got = htab->sgotplt; + base_got = htab->elf.sgotplt; } dyn = htab->elf.dynamic_sections_created; @@ -3143,7 +3070,7 @@ elf64_x86_64_relocate_section (bfd *output_bfd, struct bfd_link_info *info, /* We need to generate a R_X86_64_RELATIVE reloc for the dynamic linker. */ - s = htab->srelgot; + s = htab->elf.srelgot; if (s == NULL) abort (); @@ -3167,8 +3094,8 @@ elf64_x86_64_relocate_section (bfd *output_bfd, struct bfd_link_info *info, relocation = base_got->output_section->vma + base_got->output_offset + off; if (r_type != R_X86_64_GOTPCREL && r_type != R_X86_64_GOTPCREL64) - relocation -= htab->sgotplt->output_section->vma - - htab->sgotplt->output_offset; + relocation -= htab->elf.sgotplt->output_section->vma + - htab->elf.sgotplt->output_offset; break; @@ -3197,15 +3124,15 @@ elf64_x86_64_relocate_section (bfd *output_bfd, struct bfd_link_info *info, defined _GLOBAL_OFFSET_TABLE_ in a different way, as is permitted by the ABI, we might have to change this calculation. */ - relocation -= htab->sgotplt->output_section->vma - + htab->sgotplt->output_offset; + relocation -= htab->elf.sgotplt->output_section->vma + + htab->elf.sgotplt->output_offset; break; case R_X86_64_GOTPC32: case R_X86_64_GOTPC64: /* Use global offset table as symbol value. */ - relocation = htab->sgotplt->output_section->vma - + htab->sgotplt->output_offset; + relocation = htab->elf.sgotplt->output_section->vma + + htab->elf.sgotplt->output_offset; unresolved_reloc = FALSE; break; @@ -3215,16 +3142,16 @@ elf64_x86_64_relocate_section (bfd *output_bfd, struct bfd_link_info *info, if (h != NULL /* See PLT32 handling. */ && h->plt.offset != (bfd_vma) -1 - && htab->splt != NULL) + && htab->elf.splt != NULL) { - relocation = (htab->splt->output_section->vma - + htab->splt->output_offset + relocation = (htab->elf.splt->output_section->vma + + htab->elf.splt->output_offset + h->plt.offset); unresolved_reloc = FALSE; } - relocation -= htab->sgotplt->output_section->vma - + htab->sgotplt->output_offset; + relocation -= htab->elf.sgotplt->output_section->vma + + htab->elf.sgotplt->output_offset; break; case R_X86_64_PLT32: @@ -3237,7 +3164,7 @@ elf64_x86_64_relocate_section (bfd *output_bfd, struct bfd_link_info *info, break; if (h->plt.offset == (bfd_vma) -1 - || htab->splt == NULL) + || htab->elf.splt == NULL) { /* We didn't make a PLT entry for this symbol. This happens when statically linking PIC code, or when @@ -3245,8 +3172,8 @@ elf64_x86_64_relocate_section (bfd *output_bfd, struct bfd_link_info *info, break; } - relocation = (htab->splt->output_section->vma - + htab->splt->output_offset + relocation = (htab->elf.splt->output_section->vma + + htab->elf.splt->output_offset + h->plt.offset); unresolved_reloc = FALSE; break; @@ -3578,7 +3505,7 @@ elf64_x86_64_relocate_section (bfd *output_bfd, struct bfd_link_info *info, BFD_ASSERT (FALSE); } - if (htab->sgot == NULL) + if (htab->elf.sgot == NULL) abort (); if (h != NULL) @@ -3604,7 +3531,7 @@ elf64_x86_64_relocate_section (bfd *output_bfd, struct bfd_link_info *info, int dr_type, indx; asection *sreloc; - if (htab->srelgot == NULL) + if (htab->elf.srelgot == NULL) abort (); indx = h && h->dynindx != -1 ? h->dynindx : 0; @@ -3613,12 +3540,12 @@ elf64_x86_64_relocate_section (bfd *output_bfd, struct bfd_link_info *info, { outrel.r_info = ELF64_R_INFO (indx, R_X86_64_TLSDESC); BFD_ASSERT (htab->sgotplt_jump_table_size + offplt - + 2 * GOT_ENTRY_SIZE <= htab->sgotplt->size); - outrel.r_offset = (htab->sgotplt->output_section->vma - + htab->sgotplt->output_offset + + 2 * GOT_ENTRY_SIZE <= htab->elf.sgotplt->size); + outrel.r_offset = (htab->elf.sgotplt->output_section->vma + + htab->elf.sgotplt->output_offset + offplt + htab->sgotplt_jump_table_size); - sreloc = htab->srelplt; + sreloc = htab->elf.srelplt; loc = sreloc->contents; loc += sreloc->reloc_count++ * sizeof (Elf64_External_Rela); @@ -3631,10 +3558,10 @@ elf64_x86_64_relocate_section (bfd *output_bfd, struct bfd_link_info *info, bfd_elf64_swap_reloca_out (output_bfd, &outrel, loc); } - sreloc = htab->srelgot; + sreloc = htab->elf.srelgot; - outrel.r_offset = (htab->sgot->output_section->vma - + htab->sgot->output_offset + off); + outrel.r_offset = (htab->elf.sgot->output_section->vma + + htab->elf.sgot->output_offset + off); if (GOT_TLS_GD_P (tls_type)) dr_type = R_X86_64_DTPMOD64; @@ -3643,7 +3570,7 @@ elf64_x86_64_relocate_section (bfd *output_bfd, struct bfd_link_info *info, else dr_type = R_X86_64_TPOFF64; - bfd_put_64 (output_bfd, 0, htab->sgot->contents + off); + bfd_put_64 (output_bfd, 0, htab->elf.sgot->contents + off); outrel.r_addend = 0; if ((dr_type == R_X86_64_TPOFF64 || dr_type == R_X86_64_TLSDESC) && indx == 0) @@ -3663,12 +3590,12 @@ elf64_x86_64_relocate_section (bfd *output_bfd, struct bfd_link_info *info, BFD_ASSERT (! unresolved_reloc); bfd_put_64 (output_bfd, relocation - elf64_x86_64_dtpoff_base (info), - htab->sgot->contents + off + GOT_ENTRY_SIZE); + htab->elf.sgot->contents + off + GOT_ENTRY_SIZE); } else { bfd_put_64 (output_bfd, 0, - htab->sgot->contents + off + GOT_ENTRY_SIZE); + htab->elf.sgot->contents + off + GOT_ENTRY_SIZE); outrel.r_info = ELF64_R_INFO (indx, R_X86_64_DTPOFF64); outrel.r_offset += GOT_ENTRY_SIZE; @@ -3694,12 +3621,12 @@ elf64_x86_64_relocate_section (bfd *output_bfd, struct bfd_link_info *info, { if (r_type == R_X86_64_GOTPC32_TLSDESC || r_type == R_X86_64_TLSDESC_CALL) - relocation = htab->sgotplt->output_section->vma - + htab->sgotplt->output_offset + relocation = htab->elf.sgotplt->output_section->vma + + htab->elf.sgotplt->output_offset + offplt + htab->sgotplt_jump_table_size; else - relocation = htab->sgot->output_section->vma - + htab->sgot->output_offset + off; + relocation = htab->elf.sgot->output_section->vma + + htab->elf.sgot->output_offset + off; unresolved_reloc = FALSE; } else @@ -3718,8 +3645,8 @@ elf64_x86_64_relocate_section (bfd *output_bfd, struct bfd_link_info *info, "\x64\x48\x8b\x04\x25\0\0\0\0\x48\x03\x05\0\0\0", 16); - relocation = (htab->sgot->output_section->vma - + htab->sgot->output_offset + off + relocation = (htab->elf.sgot->output_section->vma + + htab->elf.sgot->output_offset + off - roff - input_section->output_section->vma - input_section->output_offset @@ -3753,8 +3680,8 @@ elf64_x86_64_relocate_section (bfd *output_bfd, struct bfd_link_info *info, bfd_put_8 (output_bfd, 0x8b, contents + roff - 2); bfd_put_32 (output_bfd, - htab->sgot->output_section->vma - + htab->sgot->output_offset + off + htab->elf.sgot->output_section->vma + + htab->elf.sgot->output_offset + off - rel->r_offset - input_section->output_section->vma - input_section->output_offset @@ -3807,7 +3734,7 @@ elf64_x86_64_relocate_section (bfd *output_bfd, struct bfd_link_info *info, continue; } - if (htab->sgot == NULL) + if (htab->elf.sgot == NULL) abort (); off = htab->tls_ld_got.offset; @@ -3818,25 +3745,25 @@ elf64_x86_64_relocate_section (bfd *output_bfd, struct bfd_link_info *info, Elf_Internal_Rela outrel; bfd_byte *loc; - if (htab->srelgot == NULL) + if (htab->elf.srelgot == NULL) abort (); - outrel.r_offset = (htab->sgot->output_section->vma - + htab->sgot->output_offset + off); + outrel.r_offset = (htab->elf.sgot->output_section->vma + + htab->elf.sgot->output_offset + off); bfd_put_64 (output_bfd, 0, - htab->sgot->contents + off); + htab->elf.sgot->contents + off); bfd_put_64 (output_bfd, 0, - htab->sgot->contents + off + GOT_ENTRY_SIZE); + htab->elf.sgot->contents + off + GOT_ENTRY_SIZE); outrel.r_info = ELF64_R_INFO (0, R_X86_64_DTPMOD64); outrel.r_addend = 0; - loc = htab->srelgot->contents; - loc += htab->srelgot->reloc_count++ * sizeof (Elf64_External_Rela); + loc = htab->elf.srelgot->contents; + loc += htab->elf.srelgot->reloc_count++ * sizeof (Elf64_External_Rela); bfd_elf64_swap_reloca_out (output_bfd, &outrel, loc); htab->tls_ld_got.offset |= 1; } - relocation = htab->sgot->output_section->vma - + htab->sgot->output_offset + off; + relocation = htab->elf.sgot->output_section->vma + + htab->elf.sgot->output_offset + off; unresolved_reloc = FALSE; break; @@ -3937,17 +3864,17 @@ elf64_x86_64_finish_dynamic_symbol (bfd *output_bfd, /* When building a static executable, use .iplt, .igot.plt and .rela.iplt sections for STT_GNU_IFUNC symbols. */ - if (htab->splt != NULL) + if (htab->elf.splt != NULL) { - plt = htab->splt; - gotplt = htab->sgotplt; - relplt = htab->srelplt; + plt = htab->elf.splt; + gotplt = htab->elf.sgotplt; + relplt = htab->elf.srelplt; } else { - plt = htab->iplt; - gotplt = htab->igotplt; - relplt = htab->irelplt; + plt = htab->elf.iplt; + gotplt = htab->elf.igotplt; + relplt = htab->elf.irelplt; } /* This symbol has an entry in the procedure linkage table. Set @@ -3972,7 +3899,7 @@ elf64_x86_64_finish_dynamic_symbol (bfd *output_bfd, For static executables, we don't reserve anything. */ - if (plt == htab->splt) + if (plt == htab->elf.splt) { plt_index = h->plt.offset / PLT_ENTRY_SIZE - 1; got_offset = (plt_index + 3) * GOT_ENTRY_SIZE; @@ -4003,7 +3930,7 @@ elf64_x86_64_finish_dynamic_symbol (bfd *output_bfd, plt->contents + h->plt.offset + 2); /* Don't fill PLT entry for static executables. */ - if (plt == htab->splt) + if (plt == htab->elf.splt) { /* Put relocation index. */ bfd_put_32 (output_bfd, plt_index, @@ -4070,11 +3997,11 @@ elf64_x86_64_finish_dynamic_symbol (bfd *output_bfd, /* This symbol has an entry in the global offset table. Set it up. */ - if (htab->sgot == NULL || htab->srelgot == NULL) + if (htab->elf.sgot == NULL || htab->elf.srelgot == NULL) abort (); - rela.r_offset = (htab->sgot->output_section->vma - + htab->sgot->output_offset + rela.r_offset = (htab->elf.sgot->output_section->vma + + htab->elf.sgot->output_offset + (h->got.offset &~ (bfd_vma) 1)); /* If this is a static link, or it is a -Bsymbolic link and the @@ -4098,11 +4025,11 @@ elf64_x86_64_finish_dynamic_symbol (bfd *output_bfd, /* For non-shared object, we can't use .got.plt, which contains the real function addres if we need pointer equality. We load the GOT entry with the PLT entry. */ - asection *plt = htab->splt ? htab->splt : htab->iplt; + asection *plt = htab->elf.splt ? htab->elf.splt : htab->elf.iplt; bfd_put_64 (output_bfd, (plt->output_section->vma + plt->output_offset + h->plt.offset), - htab->sgot->contents + h->got.offset); + htab->elf.sgot->contents + h->got.offset); return TRUE; } } @@ -4122,13 +4049,13 @@ elf64_x86_64_finish_dynamic_symbol (bfd *output_bfd, BFD_ASSERT((h->got.offset & 1) == 0); do_glob_dat: bfd_put_64 (output_bfd, (bfd_vma) 0, - htab->sgot->contents + h->got.offset); + htab->elf.sgot->contents + h->got.offset); rela.r_info = ELF64_R_INFO (h->dynindx, R_X86_64_GLOB_DAT); rela.r_addend = 0; } - loc = htab->srelgot->contents; - loc += htab->srelgot->reloc_count++ * sizeof (Elf64_External_Rela); + loc = htab->elf.srelgot->contents; + loc += htab->elf.srelgot->reloc_count++ * sizeof (Elf64_External_Rela); bfd_elf64_swap_reloca_out (output_bfd, &rela, loc); } @@ -4216,7 +4143,7 @@ elf64_x86_64_finish_dynamic_sections (bfd *output_bfd, struct bfd_link_info *inf { Elf64_External_Dyn *dyncon, *dynconend; - if (sdyn == NULL || htab->sgot == NULL) + if (sdyn == NULL || htab->elf.sgot == NULL) abort (); dyncon = (Elf64_External_Dyn *) sdyn->contents; @@ -4234,16 +4161,16 @@ elf64_x86_64_finish_dynamic_sections (bfd *output_bfd, struct bfd_link_info *inf continue; case DT_PLTGOT: - s = htab->sgotplt; + s = htab->elf.sgotplt; dyn.d_un.d_ptr = s->output_section->vma + s->output_offset; break; case DT_JMPREL: - dyn.d_un.d_ptr = htab->srelplt->output_section->vma; + dyn.d_un.d_ptr = htab->elf.srelplt->output_section->vma; break; case DT_PLTRELSZ: - s = htab->srelplt->output_section; + s = htab->elf.srelplt->output_section; dyn.d_un.d_val = s->size; break; @@ -4255,21 +4182,21 @@ elf64_x86_64_finish_dynamic_sections (bfd *output_bfd, struct bfd_link_info *inf linker script arranges for .rela.plt to follow all other relocation sections, we don't have to worry about changing the DT_RELA entry. */ - if (htab->srelplt != NULL) + if (htab->elf.srelplt != NULL) { - s = htab->srelplt->output_section; + s = htab->elf.srelplt->output_section; dyn.d_un.d_val -= s->size; } break; case DT_TLSDESC_PLT: - s = htab->splt; + s = htab->elf.splt; dyn.d_un.d_ptr = s->output_section->vma + s->output_offset + htab->tlsdesc_plt; break; case DT_TLSDESC_GOT: - s = htab->sgot; + s = htab->elf.sgot; dyn.d_un.d_ptr = s->output_section->vma + s->output_offset + htab->tlsdesc_got; break; @@ -4279,95 +4206,95 @@ elf64_x86_64_finish_dynamic_sections (bfd *output_bfd, struct bfd_link_info *inf } /* Fill in the special first entry in the procedure linkage table. */ - if (htab->splt && htab->splt->size > 0) + if (htab->elf.splt && htab->elf.splt->size > 0) { /* Fill in the first entry in the procedure linkage table. */ - memcpy (htab->splt->contents, elf64_x86_64_plt0_entry, + memcpy (htab->elf.splt->contents, elf64_x86_64_plt0_entry, PLT_ENTRY_SIZE); /* Add offset for pushq GOT+8(%rip), since the instruction uses 6 bytes subtract this value. */ bfd_put_32 (output_bfd, - (htab->sgotplt->output_section->vma - + htab->sgotplt->output_offset + (htab->elf.sgotplt->output_section->vma + + htab->elf.sgotplt->output_offset + 8 - - htab->splt->output_section->vma - - htab->splt->output_offset + - htab->elf.splt->output_section->vma + - htab->elf.splt->output_offset - 6), - htab->splt->contents + 2); + htab->elf.splt->contents + 2); /* Add offset for jmp *GOT+16(%rip). The 12 is the offset to the end of the instruction. */ bfd_put_32 (output_bfd, - (htab->sgotplt->output_section->vma - + htab->sgotplt->output_offset + (htab->elf.sgotplt->output_section->vma + + htab->elf.sgotplt->output_offset + 16 - - htab->splt->output_section->vma - - htab->splt->output_offset + - htab->elf.splt->output_section->vma + - htab->elf.splt->output_offset - 12), - htab->splt->contents + 8); + htab->elf.splt->contents + 8); - elf_section_data (htab->splt->output_section)->this_hdr.sh_entsize = + elf_section_data (htab->elf.splt->output_section)->this_hdr.sh_entsize = PLT_ENTRY_SIZE; if (htab->tlsdesc_plt) { bfd_put_64 (output_bfd, (bfd_vma) 0, - htab->sgot->contents + htab->tlsdesc_got); + htab->elf.sgot->contents + htab->tlsdesc_got); - memcpy (htab->splt->contents + htab->tlsdesc_plt, + memcpy (htab->elf.splt->contents + htab->tlsdesc_plt, elf64_x86_64_plt0_entry, PLT_ENTRY_SIZE); /* Add offset for pushq GOT+8(%rip), since the instruction uses 6 bytes subtract this value. */ bfd_put_32 (output_bfd, - (htab->sgotplt->output_section->vma - + htab->sgotplt->output_offset + (htab->elf.sgotplt->output_section->vma + + htab->elf.sgotplt->output_offset + 8 - - htab->splt->output_section->vma - - htab->splt->output_offset + - htab->elf.splt->output_section->vma + - htab->elf.splt->output_offset - htab->tlsdesc_plt - 6), - htab->splt->contents + htab->tlsdesc_plt + 2); + htab->elf.splt->contents + htab->tlsdesc_plt + 2); /* Add offset for jmp *GOT+TDG(%rip), where TGD stands for htab->tlsdesc_got. The 12 is the offset to the end of the instruction. */ bfd_put_32 (output_bfd, - (htab->sgot->output_section->vma - + htab->sgot->output_offset + (htab->elf.sgot->output_section->vma + + htab->elf.sgot->output_offset + htab->tlsdesc_got - - htab->splt->output_section->vma - - htab->splt->output_offset + - htab->elf.splt->output_section->vma + - htab->elf.splt->output_offset - htab->tlsdesc_plt - 12), - htab->splt->contents + htab->tlsdesc_plt + 8); + htab->elf.splt->contents + htab->tlsdesc_plt + 8); } } } - if (htab->sgotplt) + if (htab->elf.sgotplt) { /* Fill in the first three entries in the global offset table. */ - if (htab->sgotplt->size > 0) + if (htab->elf.sgotplt->size > 0) { /* Set the first entry in the global offset table to the address of the dynamic section. */ if (sdyn == NULL) - bfd_put_64 (output_bfd, (bfd_vma) 0, htab->sgotplt->contents); + bfd_put_64 (output_bfd, (bfd_vma) 0, htab->elf.sgotplt->contents); else bfd_put_64 (output_bfd, sdyn->output_section->vma + sdyn->output_offset, - htab->sgotplt->contents); + htab->elf.sgotplt->contents); /* Write GOT[1] and GOT[2], needed for the dynamic linker. */ - bfd_put_64 (output_bfd, (bfd_vma) 0, htab->sgotplt->contents + GOT_ENTRY_SIZE); - bfd_put_64 (output_bfd, (bfd_vma) 0, htab->sgotplt->contents + GOT_ENTRY_SIZE*2); + bfd_put_64 (output_bfd, (bfd_vma) 0, htab->elf.sgotplt->contents + GOT_ENTRY_SIZE); + bfd_put_64 (output_bfd, (bfd_vma) 0, htab->elf.sgotplt->contents + GOT_ENTRY_SIZE*2); } - elf_section_data (htab->sgotplt->output_section)->this_hdr.sh_entsize = + elf_section_data (htab->elf.sgotplt->output_section)->this_hdr.sh_entsize = GOT_ENTRY_SIZE; } - if (htab->sgot && htab->sgot->size > 0) - elf_section_data (htab->sgot->output_section)->this_hdr.sh_entsize + if (htab->elf.sgot && htab->elf.sgot->size > 0) + elf_section_data (htab->elf.sgot->output_section)->this_hdr.sh_entsize = GOT_ENTRY_SIZE; /* Fill PLT and GOT entries for local STT_GNU_IFUNC symbols. */ diff --git a/bfd/elflink.c b/bfd/elflink.c index e3a1670..f1bceae 100644 --- a/bfd/elflink.c +++ b/bfd/elflink.c @@ -101,41 +101,39 @@ _bfd_elf_create_got_section (bfd *abfd, struct bfd_link_info *info) asection *s; struct elf_link_hash_entry *h; const struct elf_backend_data *bed = get_elf_backend_data (abfd); - int ptralign; + struct elf_link_hash_table *htab = elf_hash_table (info); /* This function may be called more than once. */ s = bfd_get_section_by_name (abfd, ".got"); if (s != NULL && (s->flags & SEC_LINKER_CREATED) != 0) return TRUE; - switch (bed->s->arch_size) - { - case 32: - ptralign = 2; - break; - - case 64: - ptralign = 3; - break; - - default: - bfd_set_error (bfd_error_bad_value); - return FALSE; - } - flags = bed->dynamic_sec_flags; s = bfd_make_section_with_flags (abfd, ".got", flags); if (s == NULL - || !bfd_set_section_alignment (abfd, s, ptralign)) + || !bfd_set_section_alignment (abfd, s, bed->s->log_file_align)) return FALSE; + htab->sgot = s; + + s = bfd_make_section_with_flags (abfd, + (bed->rela_plts_and_copies_p + ? ".rela.got" : ".rel.got"), + (bed->dynamic_sec_flags + | SEC_READONLY)); + if (s == NULL + || ! bfd_set_section_alignment (abfd, s, bed->s->log_file_align)) + return FALSE; + htab->srelgot = s; if (bed->want_got_plt) { s = bfd_make_section_with_flags (abfd, ".got.plt", flags); if (s == NULL - || !bfd_set_section_alignment (abfd, s, ptralign)) + || !bfd_set_section_alignment (abfd, s, + bed->s->log_file_align)) return FALSE; + htab->sgotplt = s; } if (bed->want_got_sym) @@ -144,7 +142,8 @@ _bfd_elf_create_got_section (bfd *abfd, struct bfd_link_info *info) (or .got.plt) section. We don't do this in the linker script because we don't want to define the symbol if we are not creating a global offset table. */ - h = _bfd_elf_define_linkage_sym (abfd, info, s, "_GLOBAL_OFFSET_TABLE_"); + h = _bfd_elf_define_linkage_sym (abfd, info, s, + "_GLOBAL_OFFSET_TABLE_"); elf_hash_table (info)->hgot = h; if (h == NULL) return FALSE; @@ -303,6 +302,7 @@ _bfd_elf_create_dynamic_sections (bfd *abfd, struct bfd_link_info *info) struct elf_link_hash_entry *h; asection *s; const struct elf_backend_data *bed = get_elf_backend_data (abfd); + struct elf_link_hash_table *htab = elf_hash_table (info); /* We need to create .plt, .rel[a].plt, .got, .got.plt, .dynbss, and .rel[a].bss sections. */ @@ -323,6 +323,7 @@ _bfd_elf_create_dynamic_sections (bfd *abfd, struct bfd_link_info *info) if (s == NULL || ! bfd_set_section_alignment (abfd, s, bed->plt_alignment)) return FALSE; + htab->splt = s; /* Define the symbol _PROCEDURE_LINKAGE_TABLE_ at the start of the .plt section. */ @@ -342,6 +343,7 @@ _bfd_elf_create_dynamic_sections (bfd *abfd, struct bfd_link_info *info) if (s == NULL || ! bfd_set_section_alignment (abfd, s, bed->s->log_file_align)) return FALSE; + htab->srelplt = s; if (! _bfd_elf_create_got_section (abfd, info)) return FALSE; @@ -12491,95 +12493,3 @@ _bfd_elf_make_dynamic_reloc_section (asection * sec, return reloc_sec; } - -/* Create sections needed by STT_GNU_IFUNC symbol. */ - -bfd_boolean -_bfd_elf_create_ifunc_sections (bfd *abfd, struct bfd_link_info *info) -{ - flagword flags, pltflags; - int ptralign; - asection *s; - const struct elf_backend_data *bed = get_elf_backend_data (abfd); - - flags = bed->dynamic_sec_flags; - pltflags = flags; - if (bed->plt_not_loaded) - /* We do not clear SEC_ALLOC here because we still want the OS to - allocate space for the section; it's just that there's nothing - to read in from the object file. */ - pltflags &= ~ (SEC_CODE | SEC_LOAD | SEC_HAS_CONTENTS); - else - pltflags |= SEC_ALLOC | SEC_CODE | SEC_LOAD; - if (bed->plt_readonly) - pltflags |= SEC_READONLY; - - if (info->shared) - { - /* We need to create .rel[a].ifunc for shared objects. */ - const char *rel_sec = (bed->rela_plts_and_copies_p - ? ".rela.ifunc" : ".rel.ifunc"); - - /* This function should be called only once. */ - s = bfd_get_section_by_name (abfd, rel_sec); - if (s != NULL) - abort (); - - s = bfd_make_section_with_flags (abfd, rel_sec, - flags | SEC_READONLY); - if (s == NULL - || ! bfd_set_section_alignment (abfd, s, - bed->s->log_file_align)) - return FALSE; - } - else - { - /* This function should be called only once. */ - s = bfd_get_section_by_name (abfd, ".iplt"); - if (s != NULL) - abort (); - - /* We need to create .iplt, .rel[a].iplt, .igot and .igot.plt - for static executables. */ - s = bfd_make_section_with_flags (abfd, ".iplt", pltflags); - if (s == NULL - || ! bfd_set_section_alignment (abfd, s, bed->plt_alignment)) - return FALSE; - - s = bfd_make_section_with_flags (abfd, - (bed->rela_plts_and_copies_p - ? ".rela.iplt" : ".rel.iplt"), - flags | SEC_READONLY); - if (s == NULL - || ! bfd_set_section_alignment (abfd, s, - bed->s->log_file_align)) - return FALSE; - - switch (bed->s->arch_size) - { - case 32: - ptralign = 2; - break; - - case 64: - ptralign = 3; - break; - - default: - bfd_set_error (bfd_error_bad_value); - return FALSE; - } - - /* We don't need the .igot section if we have the .igot.plt - section. */ - if (bed->want_got_plt) - s = bfd_make_section_with_flags (abfd, ".igot.plt", flags); - else - s = bfd_make_section_with_flags (abfd, ".igot", flags); - if (s == NULL - || !bfd_set_section_alignment (abfd, s, ptralign)) - return FALSE; - } - - return TRUE; -} |