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binutils-gdb/ld/ChangeLog
Alan Modra 7d4c687d56 Control powerpc64-ld provision of register save/restore 
This patch allows the user to override powerpc64-ld's default for
providing linker generated register save and restore functions as used
by gcc -Os code.  Normally these are not provided by ld -r, so Linux
kernel modules have needed to include their own copies.

bfd/
	* elf64-ppc.h (struct ppc64_elf_params): Add save_restore_funcs.
	* elf64-ppc.c (ppc64_elf_func_desc_adjust): Use it to control
	provision of out-of-line register save/restore routines.
ld/
	* emultempl/ppc64elf.em (params): Init new field.
	(ppc_create_output_section_statements): Set params.save_restore_funcs
	default.
	(PARSE_AND_LIST_*): Add support for --save-restore-funcs and
	--no-save-restore-funcs.
2014-02-19 14:53:50 +10:30

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2014-02-19 Alan Modra <amodra@gmail.com>
* emultempl/ppc64elf.em (params): Init new field.
(ppc_create_output_section_statements): Set params.save_restore_funcs
default.
(PARSE_AND_LIST_*): Add support for --save-restore-funcs and
--no-save-restore-funcs.
2014-02-17 Alan Modra <amodra@gmail.com>
* emultemps/ppc64elf.em (params): New static struct replacing
various other static vars. Adjust code throughout file.
2014-02-17 Alan Modra <amodra@gmail.com>
* emultempl/ppc32elf.em (ppc_after_open_output): Really enable
ppc476 workaround for ld -r.
2014-02-12 Alan Modra <amodra@gmail.com>
* emultempl/ppc32elf.em (pagesize): New static var.
(ppc_after_open_output): Set params.pagesize_p2 from pagesize.
(PARSE_AND_LIST_ARGS_CASES): Adjust to use pagesize.
2014-02-11 Andrew Pinski <apinski@cavium.com>
* emulparams/aarch64linux32.sh (LIBPATH_SUFFIX): Change to ilp32.
(ELF_INTERPRETER_NAME): Define.
* emulparams/aarch64linux32b.sh (ELF_INTERPRETER_NAME): Define.
2014-02-10 Alan Modra <amodra@gmail.com>
* po/ld.pot: Regenerate.
2014-02-03 Alan Modra <amodra@gmail.com>
* emultempl/ppc32elf.em (no_tls_get_addr_opt, emit_stub_syms)
plt_style): Delete. Adjust all refs to instead use..
(params): ..this. New variable.
(ppc_after_open_output): New function. Tweak params and pass to
ppc_elf_link_params.
(ppc_after_open): Adjust ppc_elf_select_plt_layout call.
(ppc_before_allocation): Adjust ppc_elf_tls_setup call. Enable
relaxation for ppc476 workaround.
(PARSE_AND_LIST_*): Add --{no-,}ppc476-workaround support.
(LDEMUL_CREATE_OUTPUT_SECTION_STATEMENTS): Define.
2014-02-02 Sebastian Huber <sebastian.huber@embedded-brains.de>
* ld/ld.texinfo: Change ALIGN_WITH_INPUT documentation.
* ld/ldlang.c (lang_size_sections_1): Add dotdelta
variable which reflects the VMA change due to alignment
requirements. Use dotdelta do change the LMA if
ALIGN_WITH_INPUT is requested.
2014-02-01 Hans-Peter Nilsson <hp@bitrange.com>
* emultempl/mmix-elfnmmo.em (mmix_after_allocation): Fix typo in
call to bfd_set_section_vma exposed by recent bfd_set_section_vma
change.
2014-01-30 Sandra Loosemore <sandra@codesourcery.com>
* Makefile.am (enios2elf.c, enios2linux.c): Update dependencies.
* Makefile.in: Regenerated.
* emulparams/nios2elf.sh (EXTRA_EM_FILE): Set.
* emulparams/nios2linux.sh (EXTRA_EM_FILE): Set.
* emultempl/nios2elf.em: New file.
* gen-doc.texi (NIOSII): Set.
* ld.texinfo (NIOSII): Set.
2014-01-28 Nick Clifton <nickc@redhat.com>
* Makefile.am: Remove obsolete MSP430 emulations.
* configure.tgt: Likewise.
* emulparams/msp430all.sh: Likewise.
* Makefile.in: Regenerate.
2014-01-24 H.J. Lu <hongjiu.lu@intel.com>
PR ld/16498
* emultempl/elf32.em (gld${EMULATION_NAME}_place_orphan): Improve
orphaned TLS section handling.
2014-01-24 Alan Modra <amodra@gmail.com>
* ldlang.c (lang_output_section_find_by_flags): Be careful to
test look->bfd_section->flags if available rather than
look->flags. Separate SEC_THREAD_LOCAL handling from
SEC_READONLY loop, and rewrite.
2014-01-22 Alan Modra <amodra@gmail.com>
* ldlang.c (asneeded_list_head, asneeded_list_tail): New vars.
(lang_init): Initialise them.
(lang_print_asneeded): New function.
(lang_process): Call lang_print_asneeded.
* ldlang.h (struct asneeded_minfo): New.
(asneeded_list_tail): Declare.
* ldmain.c (add_archive_element): Improve archive map heading.
* ldmisc.c (minfo): Stash --as-needed info.
2014-01-22 Alan Modra <amodra@gmail.com>
* ld.h (struct map_symbol_def): Move to..
* ldlang.h: ..here.
* ldlang.c (print_assignment): Don't set expld.assign_name to dot.
2014-01-22 Alan Modra <amodra@gmail.com>
* ld.texinfo (Output Section Discarding): Mention assigning to dot
as a way of keeping otherwise empty sections.
* ldexp.c (is_dot, is_value, is_sym_value, is_dot_ne_0,
is_dot_plus_0, is_align_conditional): New predicates.
(exp_fold_tree_1): Set SEC_KEEP when assigning to dot inside an
output section, except for some special cases.
* scripttempl/elfmicroblaze.sc: Use canonical form to align at
end of .heap and .stack.
2014-01-20 Marcus Shawcroft <marcus.shawcroft@arm.com>
* emulparams/aarch64linuxb.sh (ELF_INTERPRETER_NAME): Define.
2014-01-20 Marcus Shawcroft <marcus.shawcroft@arm.com>
* emulparams/aarch64linux.sh (ELF_INTERPRETER_NAME): Define.
2014-01-20 Alan Modra <amodra@gmail.com>
* ldlang.h (struct lang_definedness_hash_entry): Add by_object and
by_script. Make iteration a single bit field.
(lang_track_definedness, lang_symbol_definition_iteration): Delete.
(lang_symbol_defined): Declare.
* ldlang.c (lang_statement_iteration): Expand comment a little.
(lang_init <lang_definedness_table>): Make it bigger.
(lang_track_definedness, lang_symbol_definition): Delete.
(lang_definedness_newfunc): Update.
(lang_symbol_defined): New function.
(lang_update_definedness): Create entries here. Do track whether
script definition of symbol is valid, even when also defined in
an object file.
* ldexp.c (fold_name <DEFINED>): Update.
(fold_name <NAME>): Allow self-assignment for absolute symbols
defined in a linker script.
2014-01-20 Guy Martin <gmsoft@tuxicoman.be>
Alan Modra <amodra@gmail.com>
* ldlang.h (lang_output_section_get): Define.
* ldlang.c (lang_output_section_get): Likewise.
(init_os): Set the output_section userdata to the output
section statement.
* emultempl/hppaelf.em: Use lang_output_section_get instead of
lang_output_section_find where applicable.
* emultempl/aarch64elf.em: Likewise.
* emultempl/aix.em: Likewise.
* emultempl/armelf.em: Likewise.
* emultempl/m68hc1xelf.em: Likewise.
* emultempl/metagelf.em: Likewise.
* emultempl/mipself.em: Likewise.
* emultempl/ppc64elf.em: Likewise.
* emultempl/spuelf.em: Likewise.
2014-01-17 Alan Modra <amodra@gmail.com>
* genscripts.sh (COMPILE_IN): Don't set if already set.
* emulparams/nds32elf.sh: Don't clear EMULATION_LIBPATH, set
COMPILE_IN=no.
* emulparams/nds32elf16m.sh: Likewise.
* emulparams/nds32elf_linux.sh: Likewise.
* emultempl/aix.em: Test COMPILE_IN value is "yes".
* emultempl/armcoff.em: Likewise.
* emultempl/elf32.em: Likewise.
* emultempl/generic.em: Likewise.
* emultempl/gld960.em: Likewise.
* emultempl/gld960c.em: Likewise.
* emultempl/linux.em: Likewise.
* emultempl/lnk960.em: Likewise.
* emultempl/m68kcoff.em: Likewise.
* emultempl/sunos.em: Likewise.
* emultempl/ticoff.em: Likewise.
2014-01-16 H.J. Lu <hongjiu.lu@intel.com>
PR ld/16456
* genscripts.sh: Don't search directory with LIBPATH_SUFFIX_SKIP
suffix.
* emulparams/elf32_x86_64.sh (LIBPATH_SUFFIX_SKIP): Set to 64
for elf32_x86_64 emulation.
* emulparams/elf_i386.sh (LIBPATH_SUFFIX_SKIP): Set to 64
for elf_i386 emulation.
2014-01-16 Alan Modra <amodra@gmail.com>
* ld.h (fat_section_userdata_type, get_userdata): Move to..
* ldlang.h (input_section_userdata_type, get_userdata): ..here.
* ldlang.c (init_map_userdata): Delete. Fold into..
(sort_def_symbol): ..here. Don't attach input section userdata
to output sections or global bfd sections.
(lang_map): Don't pre-allocate input section userdata.
(init_os): Don't allocate userdata for output sections.
(print_all_symbols): Update.
2014-01-15 H.J. Lu <hongjiu.lu@intel.com>
* emultempl/elf32.em (gld${EMULATION_NAME}_before_allocation):
Silence uninitialized warning on ehdr_start_save with older
GCC.
2014-01-15 Alan Modra <amodra@gmail.com>
* emultempl/elf32.em (gld${EMULATION_NAME}_before_allocation): Define
__ehdr_start before size_dynamic_sections and restore afterwards.
2014-01-10 Alan Modra <amodra@gmail.com>
PR ld/14207
PR ld/16322
PR binutils/16323
* ldlang.c (lang_size_sections): Remove unneeded RELRO base
adjust. Tidy comments.
* ld.texinfo (DATA_SEGMENT_RELRO_END): Correct description.
2014-01-10 Hans-Peter Nilsson <hp@axis.com>
* emulparams/crislinux.sh (COMMONPAGESIZE): Define.
2014-01-08 H.J. Lu <hongjiu.lu@intel.com>
PR ld/14207
PR ld/16322
PR binutils/16323
* ldlang.c (lang_size_sections): Properly align RELRO base.
2014-01-08 H.J. Lu <hongjiu.lu@intel.com>
* ldver.c (ldversion): Update copyright year to 2014.
For older changes see ChangeLog-2013
Copyright (C) 2014 Free Software Foundation, Inc.
Copying and distribution of this file, with or without modification,
are permitted in any medium without royalty provided the copyright
notice and this notice are preserved.
Local Variables:
mode: change-log
left-margin: 8
fill-column: 74
version-control: never
End:
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