Ian Lance Taylor [Wed, 13 Jan 2010 16:19:03 +0000 (16:19 +0000)]
Bring over from mainline:
2010-01-04 Ian Lance Taylor <iant@google.com>
PR 10980
* options.h (class General_options): Add --add-needed and
--copy-dt-needed-entries. Tweak --as-needed help entry.
* object.cc (Input_objects::check_dynamic_dependencies): Give an
error if --copy-dt-needed-entries aka --add-needed is used and
would cause a change in behaviour.
Backport from trunk:
2009-12-21 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
Richard Earnshaw <richard.earnshaw@arm.com>
* config/tc-arm.c (encode_thumb2_b_bl_offset): New. Refactored
from md_apply_fix.
(md_apply_fix): Fixup range checks for Thumb2 version
of unconditional calls. Call encode_thumb2_b_bl_offset for
unconditional branches / function calls.
Dave Korn [Thu, 17 Dec 2009 21:46:44 +0000 (21:46 +0000)]
* pe-dll.c (generate_reloc): Take account of wrapper options when
testing if a weak symbol is defined or not, and when it is not,
consider whether the default value requires a base reloc anyway.
Alan Modra [Thu, 17 Dec 2009 05:46:06 +0000 (05:46 +0000)]
PR ld/11088
include/elf/
* ppc.h (R_PPC_RELAX32, R_PPC_RELAX32PC, R_PPC_RELAX32_PLT,
R_PPC_RELAX32PC_PLT): Delete.
(R_PPC_RELAX, R_PPC_RELAX_PLT, R_PPC_RELAX_PLTREL24): Define.
bfd/
* elf32-ppc.c (update_plt_info): Clear sec here when addend is
less than 32768..
(ppc_elf_check_relocs): ..rather than doing so here. Ignore new
relax relocs.
(ppc_elf_gc_sweep_hook): Don't segfault when symbol hiding has
removed plt_entry records.
(ppc_elf_tls_setup): Handle PIE calls to __tls_get_addr correctly.
(ppc_elf_tls_optimize): Likewise. Also dec __tls_get_addr refcount
when optimizing code using new tlsgd and tlsld marker relocs.
(ppc_elf_relax_section): Differentiate relaxed PLTREL24 relocs
from ADDR24 relocs using plt or glink. Don't clear the addend
for R_PPC_RELAX_PLTREL24.
(ppc_elf_relocate_section): Correctly handle addends on relaxed
PLTREL24 relocs.
Alan Modra [Thu, 3 Dec 2009 08:32:06 +0000 (08:32 +0000)]
PR ld/11047
* elf32-ppc.c (ppc_elf_relocate_section): Delete __tls_get_addr
symbol reference from relocs belonging to calls that are
optimized away.
* elf64-ppc.c (ppc64_elf_relocate_section): Likewise.
Ulrich Weigand [Tue, 17 Nov 2009 13:47:05 +0000 (13:47 +0000)]
* elf32-spu.c (struct spu_link_hash_table): Remove overlay_fixed,
reserved, and extra_stack_space members.
(spu_elf_auto_overlay): Use auto_overlay_fixed, auto_overlay_reserved,
and extra_stack_space members of htab->params instead.
Bring over from mainline:
2009-10-16 Doug Kwan <dougkwan@google.com>
* dynobj.cc (Versions::Versions): Initialize version_script_.
Only insert base version symbol definition for a shared object
if version script defines any version versions.
(Versions::define_base_version): New method definition.
(Versions::add_def): Check that base version is not needed.
(Versions::add_need): Define base version lazily.
* dynobj.h (Versions::define_base_version): New method declaration.
(Versions::needs_base_version_): New data member declaration.
PR 10880
* object.h (class Object): Add is_needed and set_is_needed
methods. Add is_needed_ field. Make bool fields into bitfields.
* symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
defined in a dynamic object and referenced by a regular object,
set is_needed for the dynamic object.
* layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
if the file is marked with as_needed and it is not needed.