From fe723c8722e3b99a1d85807c4a53241fafa310bc Mon Sep 17 00:00:00 2001 From: Matt Thomas Date: Thu, 2 Apr 2009 00:20:42 +0000 Subject: [PATCH] 2009-04-01 Matt Thomas * elf32-vax.c (elf_vax_check_relocs): Do not put relocations against hidden symbols into the GOT or PLT.GOT. (elf_vax_relocate_section): Do not emit a PCREL reloc into a shared object if it is against a hidden symbol. --- bfd/ChangeLog | 7 +++++++ bfd/elf32-vax.c | 44 +++++++++++++++++++++++++------------------- 2 files changed, 32 insertions(+), 19 deletions(-) diff --git a/bfd/ChangeLog b/bfd/ChangeLog index d4b319d..89fab56 100644 --- a/bfd/ChangeLog +++ b/bfd/ChangeLog @@ -1,3 +1,10 @@ +2009-04-01 Matt Thomas + + * elf32-vax.c (elf_vax_check_relocs): Do not put relocations against + hidden symbols into the GOT or PLT.GOT. + (elf_vax_relocate_section): Do not emit a PCREL reloc + into a shared object if it is against a hidden symbol. + 2009-04-01 Richard Sandiford * xcofflink.c (xcoff_archive_info): Add contains_shared_object_p diff --git a/bfd/elf32-vax.c b/bfd/elf32-vax.c index 7f47819..9caa47d 100644 --- a/bfd/elf32-vax.c +++ b/bfd/elf32-vax.c @@ -599,8 +599,10 @@ elf_vax_check_relocs (bfd *abfd, struct bfd_link_info *info, asection *sec, switch (ELF32_R_TYPE (rel->r_info)) { case R_VAX_GOT32: - if (h != NULL - && strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0) + BFD_ASSERT (h != NULL); + if (h->forced_local + || h == elf_hash_table (info)->hgot + || h == elf_hash_table (info)->hplt) break; /* This symbol requires a global offset table entry. */ @@ -654,10 +656,11 @@ elf_vax_check_relocs (bfd *abfd, struct bfd_link_info *info, asection *sec, h->got.refcount++; if (eh->got_addend != (bfd_vma) rel->r_addend) (*_bfd_error_handler) - (_("%s: warning: GOT addend of %ld to `%s' does not match previous GOT addend of %ld"), - bfd_get_filename (abfd), rel->r_addend, - h->root.root.string, - eh->got_addend); + (_("%s: warning: GOT addend of %ld to `%s' does" + " not match previous GOT addend of %ld"), + bfd_get_filename (abfd), rel->r_addend, + h->root.root.string, + eh->got_addend); } } @@ -673,8 +676,9 @@ elf_vax_check_relocs (bfd *abfd, struct bfd_link_info *info, asection *sec, /* If this is a local symbol, we resolve it directly without creating a procedure linkage table entry. */ - if (h == NULL) - continue; + BFD_ASSERT (h != NULL); + if (h->forced_local) + break; h->needs_plt = 1; if (h->plt.refcount == -1) @@ -702,7 +706,7 @@ elf_vax_check_relocs (bfd *abfd, struct bfd_link_info *info, asection *sec, && (!info->symbolic || !h->def_regular))) { - if (h != NULL) + if (h != NULL && !h->forced_local) { /* Make sure a plt entry is created for this symbol if it turns out to be a function defined by a dynamic @@ -714,6 +718,9 @@ elf_vax_check_relocs (bfd *abfd, struct bfd_link_info *info, asection *sec, } break; } + if (h != NULL && h->forced_local) + break; + /* Fall through. */ case R_VAX_8: case R_VAX_16: @@ -1305,7 +1312,8 @@ elf_vax_instantiate_got_entries (struct elf_link_hash_entry *h, PTR infoptr) srelgot = bfd_get_section_by_name (dynobj, ".rela.got"); if (!elf_hash_table (info)->dynamic_sections_created - || (info->shared && info->symbolic)) + || (info->shared && info->symbolic) + || h->forced_local) { h->got.refcount = 0; h->got.offset = (bfd_vma) -1; @@ -1409,10 +1417,11 @@ elf_vax_relocate_section (bfd *output_bfd, || h->root.type == bfd_link_hash_defweak) && ((r_type == R_VAX_PLT32 && h->plt.offset != (bfd_vma) -1 + && !h->forced_local && elf_hash_table (info)->dynamic_sections_created) || (r_type == R_VAX_GOT32 - && strcmp (h->root.root.string, - "_GLOBAL_OFFSET_TABLE_") != 0 + && h->got.offset != (bfd_vma) -1 + && !h->forced_local && elf_hash_table (info)->dynamic_sections_created && (! info->shared || (! info->symbolic && h->dynindx != -1) @@ -1430,10 +1439,7 @@ elf_vax_relocate_section (bfd *output_bfd, && h->def_dynamic)) && (r_type == R_VAX_8 || r_type == R_VAX_16 - || r_type == R_VAX_32 - || r_type == R_VAX_PC8 - || r_type == R_VAX_PC16 - || r_type == R_VAX_PC32)))) + || r_type == R_VAX_32)))) /* In these cases, we don't need the relocation value. We check specially because in some obscure cases sec->output_section will be NULL. */ @@ -1459,7 +1465,7 @@ elf_vax_relocate_section (bfd *output_bfd, case R_VAX_GOT32: /* Relocation is to the address of the entry for this symbol in the global offset table. */ - if (h == NULL || h->got.offset == (bfd_vma) -1) + if (h == NULL || h->got.offset == (bfd_vma) -1 || h->forced_local) break; /* Relocation is the offset of the entry for this symbol in @@ -1521,7 +1527,7 @@ elf_vax_relocate_section (bfd *output_bfd, /* Resolve a PLTxx reloc against a local symbol directly, without using the procedure linkage table. */ - if (h == NULL) + if (h == NULL || h->forced_local) break; if (h->plt.offset == (bfd_vma) -1 @@ -1575,7 +1581,7 @@ elf_vax_relocate_section (bfd *output_bfd, case R_VAX_PC8: case R_VAX_PC16: case R_VAX_PC32: - if (h == NULL) + if (h == NULL || h->forced_local) break; /* Fall through. */ case R_VAX_8: -- 2.7.4