Commit graph

6583 commits

Author SHA1 Message Date
H.J. Lu
09eb8b7bd6 Add cast to unsigned long
* pei-x86_64.c (pex64_bfd_print_pdata_section): Add cast to
	unsigned long.
2014-12-24 14:14:14 -08:00
Pierre Muller
854399ea9d This patch adds support for printing out the pdata section of PE objects.
* pe-x86_64.c (pex64_bfd_print_pdata): Add external
	declaration.
	(bfd_pe_print_data): Set macro to pex64_bfd_print_data.
	* pei-x86_64.c (pex64_bfd_print_pdata): Changed to
	global function. Now handles multiple .pdata sections.
	(pex_bfd_print_pdata_section): New static helper function,
	using most of old pex_bfd_print_pdata function code, but adding
	support for coff pe objects, which might have some fields
	starting at zero offset.
	(pex64_print_all_pdata_sections) : New static helper function,
	used in call to bfd_map_over_sections inside new
	pex66_bfd_print_pdata function.
	(bfd_boolean pdata_count): New static variable, used to return
	bfd_boolean value for pex64_bfd_print_pdata function.
2014-12-24 10:06:57 +00:00
Alan Modra
d5111a0e03 Fix generic linker symbol output when weak is overridden by strong
Yes, I know this also affects bfd_link_hash_indirect, but output of
indirect and warning symbols looks quite broken anyway.

	* linker.c (_bfd_generic_link_output_symbols): Remove BSF_WEAK
	flag from bfd_link_hash_defined symbols.
2014-12-24 13:02:42 +10:30
Andrew Burgess
eac7440d80 AVR: Only set link-relax elf flag when appropriate.
The AVR target uses a bit in the elf header flags to indicate if the
object was assembled ready for linker relaxation.  Previously this flag
was always set, even when the object was not assembled ready for linker
relaxation.

This patch moves setting of the flag into the assembler, and sets it
only when the assembler is preparing the file for linker relaxation.

bfd/ChangeLog:

	* elf32-avr.c (bfd_elf_avr_final_write_processing): Don't set
	EF_AVR_LINKRELAX_PREPARED unconditionally.

gas/ChangeLog:

	* config/tc-avr.c: Add include for elf/avr.h.
	(avr_elf_final_processing): New function.
	* config/tc-avr.h (elf_tc_final_processing): Define.
	(avr_elf_final_processing): Declare

gas/testsuite/ChangeLog:

	* gas/avr/link-relax-elf-flag-clear.d: New file.
	* gas/avr/link-relax-elf-flag-set.d: New file.
	* gas/avr/link-relax-elf-flag.s: New file.
2014-12-23 15:45:11 +00:00
Alan Modra
12b2843a6b Use a symbol flag bit to mark linker defined symbols
Trying to use the SEC_LINKER_CREATED section flag to determine whether
a symbol is linker defined fails to work on targets like alpha that
define special SEC_COMMON sections.  These might contain symbols that
originated in an object file.

include/
	* bfdlink.h (struct bfd_link_hash_entry): Comment non_ir_ref.  Add
	linker_def.
bfd/
	* elflink.c (_bfd_elf_define_linkage_sym): Set linker_def.
	* linker.c (_bfd_generic_link_add_one_symbol): Clear linker_def
	for CDEF, DEF, DEFW, COM.
ld/
	* ldexp.c (exp_fold_tree_1 <etree_provide>): Test linker_def.
ld/testsuite/
	* ld-powerpc/sdabase.s,
	* ld-powerpc/sdabase.t,
	* ld-powerpc/sdabase.d: New test.
	* ld-powerpc/sdabase2.t,
	* ld-powerpc/sdabase2.d: New test.
	* ld-powerpc/powerpc.exp: Run them.
2014-12-23 23:36:50 +10:30
Nick Clifton
5860e3f883 More fixes for memory access violations exposed by fuzzed binaries.
PR binutils/17512
	* archive.c (do_slurp_bsd_armap): Return if the parsed_size is
	zero.
	(bfd_slurp_armap): Zero terminate the name.
	(bfd_generic_stat_arch_elt): If there is no header, fail.
	* elf32-arc.c (arc_info_to_howto_rel): Replace BFD_ASSERT with
	error message.
	* elf32-avr.c (avr_info_to_howto_rela): Likewise.
	* elf32-cr16c.c (elf_cr16c_info_to_howto_rel): Likewise.
	* elf32-cris.c (cris_info_to_howto_rela): Likewise.
	* elf32-d10v.c (d10v_info_to_howto_rel): Likewise.
	* elf32-d30v.c (d30v_info_to_howto_rel): Likewise.
	* elf32-dlx.c (dlx_rtype_to_howto): Likewise.
	* elf32-epiphany.c (epiphany_info_to_howto_rela): Likewise.
	* elf32-fr30.c (fr30_info_to_howto_rela): Likewise.
	* elf32-frv.c (frv_info_to_howto_rela): Likewise.
	* elf32-i960.c (elf32_i960_info_to_howto_rel): Likewise.
	* elf32-ip2k.c (ip2k_info_to_howto_rela): Likewise.
	* elf32-iq2000.c (iq2000_info_to_howto_rela): Likewise.
	* elf32-lm32.c (lm32_info_to_howto_rela): Likewise.
	* elf32-m32c.c (m32c_info_to_howto_rela): Likewise.
	* elf32-m32r.c (m32r_info_to_howto_rel): Likewise.
	* elf32-m68hc11.c (m68hc11_info_to_howto_rel): Likewise.
	* elf32-m68hc12.c (m68hc11_info_to_howto_rel): Likewise.
	* elf32-mep.c (mep_info_to_howto_rela): Likewise.
	* elf32-metag.c (metag_info_to_howto_rela): Likewise.
	* elf32-moxie.c (moxie_info_to_howto_rela): Likewise.
	* elf32-msp430.c (msp430_info_to_howto_rela): Likewise.
	* elf32-mt.c (mt_info_to_howto_rela): Likewise.
	* elf32-nds32.c (nds32_info_to_howto_rel): Likewise.
	* elf32-or1k.c (or1k_info_to_howto_rela): Likewise.
	* elf32-rl78.c (rl78_info_to_howto_rela): Likewise.
	* elf32-rx.c (rx_info_to_howto_rela): Likewise.
	* elf32-v850.c (v850_elf_info_to_howto_rel): Likewise.
	* elf32-visium.c (visium_info_to_howto_rela): Likewise.
	* elf32-xgate.c (xgate_info_to_howto_rel): Likewise.
	* elf32-xtensa.c (elf_xtensa_info_to_howto_rela): Likewise.
	* elf64-mmix.c (mmix_info_to_howto_rela): Likewise.
	* elf64-x86-64.c (elf_x86_64_reloc_type_lookup): Likewise.
	* elfnn-aarch64.c (elfNN_aarch64_bfd_reloc_from_type): Likewise.
	* elf64-sparc.c (elf64_sparc_slurp_one_reloc_table): Add range
	checking of reloc symbol index.
	* mach-o.c (bfd_mach_o_canonicalize_one_reloc): If no symbols have
	been provided then set the reloc's symbol to undefined.
	* reloc.c (bfd_generic_get_relocated_section_contents): Add range
	checking of the reloc to be applied.
	* versados.c (process_otr): Add more range checks.
	(versados_canonicalize_reloc): If the section is unknown, set the
	symbol to undefined.
	* vms-alpha.c (_bfd_vms_slurp_eisd): Add range checks.
	(alpha_vms_object_p): Likewise.
2014-12-22 20:59:00 +00:00
Richard Henderson
04c6a44c7c Set ppc COMMONPAGESIZE to 64k
bfd/
	* elf32-ppc.c (ELF_COMMONPAGESIZE): Set to 64k.
	* elf64-ppc.c (ELF_COMMONPAGESIZE): Likewise.
2014-12-18 15:40:25 -06:00
Nick Clifton
033539e268 Fix a memory access violation triggeed by a fuzzed binary.
PR binutils/17512
	* format.c (bfd_check_format_matches): Check for a matching vector
	before using match priorities.
	* mach-o.c (bfd_mach_o_canonicalize_one_reloc): Fix off-by-one
	errors with previous delta.
2014-12-16 14:17:15 +00:00
H.J. Lu
263ddf6802 Check corrupt input
PR ld/17713
	* elflink.c (_bfd_elf_gc_mark_rsec): Check corrupt input.
2014-12-15 08:27:57 -08:00
H.J. Lu
bc696fd5af Handle weak alias for PIE with copy reloc
When there is a weak symbol with a real definition, the processor
independent code will have arranged for us to see the real definition
first.  We need to copy the needs_copy bit from the real definition and
check it when allowing copy reloc in PIE.

bfd/

	PR ld/17689
	* elf64-x86-64.c (elf_x86_64_link_hash_entry): Add needs_copy.
	Change has_bnd_reloc to bit field.
	(elf_x86_64_link_hash_newfunc): Initialize needs_copy and
	has_bnd_reloc to 0.
	(elf_x86_64_check_relocs): Set has_bnd_reloc to 1 instead
	of TRUE.
	(elf_x86_64_adjust_dynamic_symbol): Copy needs_copy from the
	real definition to a weak symbol.
	(elf_x86_64_allocate_dynrelocs): Also check needs_copy of a
	weak symbol for PIE when discarding space for relocs against
	symbols which turn out to need copy relocs.
	(elf_x86_64_relocate_section): Also check needs_copy of a
	weak symbol for PIE with copy reloc.

ld/testsuite/

	PR ld/17689
	* ld-x86-64/pr17689.out: New file.
	* ld-x86-64/pr17689.rd: Likewise.
	* ld-x86-64/pr17689a.c: Likewise.
	* ld-x86-64/pr17689b.S: Likewise.

	* ld-x86-64/x86-64.exp: Run PR ld/17689 tests.
2014-12-13 23:39:56 -08:00
Alan Modra
de287215ce Set bfd_error in _bfd_elf_adjust_dynamic_copy
PR 15228
	* elflink.c (_bfd_elf_adjust_dynamic_copy): Call bfd_set_error.
2014-12-12 23:45:49 +10:30
Alan Modra
6cabe1ea46 Copy relocations against protected symbols
Copy relocs are used in a scheme to avoid dynamic text relocations in
non-PIC executables that refer to variables defined in shared
libraries.  The idea is to have the linker define any such variable in
the executable, with a copy reloc copying the initial value, then have
both the executable and shared library refer to the executable copy.
If the shared library defines the variable as protected then we have
two copies of the variable being used.

	PR 15228
	* elflink.c (_bfd_elf_adjust_dynamic_copy): Add "info" param.
	Error on copy relocs against protected symbols.
	(elf_merge_st_other): Set h->protected_def.
	* elf-bfd.h (struct elf_link_hash_entry): Add "protected_def".
	(_bfd_elf_adjust_dynamic_copy): Update prototype.
	* elf-m10300.c (_bfd_mn10300_elf_adjust_dynamic_symbol): Update
	_bfd_elf_adjust_dynamic_copy call.
	* elf32-arm.c (elf32_arm_adjust_dynamic_symbol): Likewise.
	* elf32-cr16.c (_bfd_cr16_elf_adjust_dynamic_symbol): Likewise.
	* elf32-cris.c (elf_cris_adjust_dynamic_symbol): Likewise.
	* elf32-hppa.c (elf32_hppa_adjust_dynamic_symbol): Likewise.
	* elf32-i370.c (i370_elf_adjust_dynamic_symbol): Likewise.
	* elf32-i386.c (elf_i386_adjust_dynamic_symbol): Likewise.
	* elf32-lm32.c (lm32_elf_adjust_dynamic_symbol): Likewise.
	* elf32-m32r.c (m32r_elf_adjust_dynamic_symbol): Likewise.
	* elf32-m68k.c (elf_m68k_adjust_dynamic_symbol): Likewise.
	* elf32-metag.c (elf_metag_adjust_dynamic_symbol): Likewise.
	* elf32-or1k.c (or1k_elf_adjust_dynamic_symbol): Likewise.
	* elf32-ppc.c (ppc_elf_adjust_dynamic_symbol): Likewise.
	* elf32-s390.c (elf_s390_adjust_dynamic_symbol): Likewise.
	* elf32-sh.c (sh_elf_adjust_dynamic_symbol): Likewise.
	* elf32-tic6x.c (elf32_tic6x_adjust_dynamic_symbol): Likewise.
	* elf32-tilepro.c (tilepro_elf_adjust_dynamic_symbol): Likewise.
	* elf32-vax.c (elf_vax_adjust_dynamic_symbol): Likewise.
	* elf64-ppc.c (ppc64_elf_adjust_dynamic_symbol): Likewise.
	* elf64-s390.c (elf_s390_adjust_dynamic_symbol): Likewise.
	* elf64-sh64.c (sh64_elf64_adjust_dynamic_symbol): Likewise.
	* elf64-x86-64.c (elf_x86_64_adjust_dynamic_symbol): Likewise.
	* elfnn-aarch64.c (elfNN_aarch64_adjust_dynamic_symbol): Likewise.
	* elfxx-mips.c (_bfd_mips_elf_adjust_dynamic_symbol): Likewise.
	* elfxx-sparc.c (_bfd_sparc_elf_adjust_dynamic_symbol): Likewise.
	* elfxx-tilegx.c (tilegx_elf_adjust_dynamic_symbol): Likewise.
2014-12-12 23:35:50 +10:30
Keith Seitz
8acbedd60e This commit causes hundreds of core file regressions in gdb:
commit f64e188b58
Author: Nick Clifton <nickc@redhat.com>
Date:   Tue Dec 9 12:42:18 2014 +0000

    More fixes for memory access violations triggered by fuzzed binaries.
    [snip]
        * elf.c (elf_parse_notes): Check that the namedata is long enough
        for the string comparison that is about to be performed.
        (elf_read_notes): Zero-terminate the note buffer.

This change to elf_parse_notes is the culprit:

+           for (i = ARRAY_SIZE (grokers); i--;)
+             if (in.namesz >= sizeof grokers[i].string - 1
+                 && strncmp (in.namedata, grokers[i].string,
+                             sizeof (grokers[i].string) - 1) == 0)

Note how this applies sizeof to grokers[i].string...

bfd/ChangeLog

        * elf.c (elf_parse_notes): Define convenience macro
        GROKER_ELEMENT to add elements to 'grokers'.
        Use grokers.len instead of sizeof in string comparisons.
2014-12-11 09:39:24 -08:00
Alan Modra
f4943d8253 Don't always build coffgen.o
Removes a bunch of unused functions from libbfd when building ELF or
AOUT.  Split off the bits we need externally when not building a COFF
target into coff-bfd.c and coff-bfd.h.

bfd/
	* Makefile.am (BFD32_LIBS, BFD32_LIBS_CFILES): Remove dwarf2
	and coffgen.  Add coff-bfd.  Sort.
	(BFD32_BACKENDS, BFD32_BACKENDS_CFILES): Add coffgen and dwarf2.
	* bfd-in.h (bfd_coff_get_syment, bfd_coff_get_auxent): Delete.
	(struct coff_comdat_info, bfd_coff_get_comdat_section): Delete.
	* coffgen.c (coff_symbol_from): Move to coff-bfd.h as macro,
	without unused param.  Update uses.
	(bfd_coff_get_comdat_section): Move to coff-bfd.h as macro.
	(bfd_coff_get_syment, bfd_coff_get_auxent): Move to coff-bfd.c.
	* libcoff-in.h: #include "coff-bfd.h".
	(struct coff_section_tdata, coff_section_data): Move to coff-bfd.h.
	(coff_symbol_from): Delete.
	* coff-bfd.c: New file.
	* coff-bfd.h: New file.
	* coff-i386.c: Update coff_symbol_from occurrences.
	* coff-i960.c: Likewise.
	* coff-m68k.c: Likewise.
	* coff-sh.c: Likewise.
	* coff-x86_64.c: Likewise.
	* coffcode.h: Likewise.
	* pe-mips.c: Likewise.
	* configure.ac (elf): Add dwarf2.lo.
	(coffgen, coff, ecoff, xcoff): Define.  Use when mapping bfd
	target vectors to .o files.  Add dwarf2 for mach-o targets.
	Fix the sh target FIXME.
	* po/SRC-POTFILES.in: Regenerate.
	* Makefile.in: Regenerate.
	* configure: Regenerate.
	* bfd-in2.h: Regenerate.
	* libcoff.h: Regenerate.
binutils/
	* objdump.c: #include "coff-bfd.h".
ld/
	* ldmisc.c: #include "coff-bfd.h"
2014-12-10 23:13:49 +10:30
Alan Modra
e00e81980c Don't return DW_AT_name for function name in C++
DW_AT_name for functions typically just contains the base function
name, so lacks namespace, class and parameter information.  It would
be possible to extract all these from the DWARF, but at a considerable
complication of the parser in dwarf2.c, and then you'd need to mangle
it all together.  Much simpler is to look up the actual symbol.  This
patch does that, avoiding the extra symbol lookup when the language
doesn't do name mangling.

	PR 17541
	* dwarf2.c (struct comp_unit): Add "lang".
	(non_mangled): New function.
	(struct funcinfo): Add "is_linkage".  Reorder for better packing.
	Make "name" a const char*.
	(lookup_address_in_function_table): Delete functionname_ptr param.
	(find_abstract_instance_name): Add is_linkage param.  Set if we
	have DW_AT_linkage_name or non_mangled DW_AT_name.
	(scan_unit_for_symbols): Similarly set func->is_linkage.
	(parse_comp_unit): Stash DW_AT_language.
	(comp_unit_find_nearest_line): Replace functionname_ptr param
	with function_ptr param.
	(_bfd_dwarf2_find_nearest_line): Adjust above calls.  Set
	functionname_ptr from function->name.  Call _bfd_elf_find_function
	to retrieve symbol for function if not linkage name.
	(_bfd_elf_find_function): Add bfd_target_elf_flavour test, moved from..
	* elf.c (elf_find_function): ..here.
	(_bfd_elf_find_nearest_line): Adjust calls.
	* elf-bfd.h (_bfd_elf_find_function): Declare.
2014-12-10 23:00:51 +10:30
Alan Modra
fa15f18dea Don't access elf tdata in dwarf.c without first checking for an ELF bfd
_bfd_dwarf2_find_nearest_line may be called on a COFF bfd.

	* dwarf2.c (read_address): Check bfd_target_elf_flavour before
	calling get_elf_backend_data.
	(_bfd_dwarf2_find_nearest_line): Fix parens.
2014-12-10 15:30:54 +10:30
Alan Modra
28dbcedc7b Don't sort ld -r relocs for mips
HI16/LO16 are deliberately put adjacent, which might mean relocs are
then not sorted by r_offset.  See tc-mips.c:mips_frob_file.  Don't undo
the HI16/LO16 sorting.

	PR 17666
	* elf-bfd.h (struct elf_backend_data): Add sort_relocs_p.
	* elfxx-target.h (elf_backend_sort_relocs_p): Define.
	(elfNN_bed): Init new field.
	* elflink.c (elf_link_adjust_relocs): Conditionally sort.
	(bfd_elf_final_link): Control sorting of relocs.
	* elfxx-mips.c (_bfd_mips_elf_sort_relocs_p): New function.
	* elfxx-mips.h (_bfd_mips_elf_sort_relocs_p): Declare.
	* elf32-mips.c (elf_backend_sort_relocs_p): Define.
	* elf64-mips.c (elf_backend_sort_relocs_p): Define.
2014-12-10 09:55:31 +10:30
Nick Clifton
f64e188b58 More fixes for memory access violations triggered by fuzzed binaries.
PR binutils/17512
	* objdump.c (display_any_bfd): Avoid infinite loop closing and
	opening the same archive again and again.

	* archive64.c (bfd_elf64_archive_slurp_armap): Add range checks.
	* libbfd.c (safe_read_leb128): New function.
	* libbfd-in.h (safe_read_leb128): Add prototype.
	* libbfd.h: Regenerate.
	* elf-attrs.c (_bfd_elf_parse_attributes): Use safe_read_leb128.
	Check for an over-long subsection length.
	* elf.c (elf_parse_notes): Check that the namedata is long enough
	for the string comparison that is about to be performed.
	(elf_read_notes): Zero-terminate the note buffer.
2014-12-09 12:42:18 +00:00
Alan Modra
31d999a568 ppc64_elf_edit_opd revamp, take 2
Now that ld -r relocs are sorted by the pr17666 fix, there isn't so
much need to sort incoming relocs.

	* elf64-ppc.c (sort_r_offset): Delete.
	(ppc64_elf_edit_opd): Don't sort input relocs.
2014-12-09 14:36:38 +10:30
Eric Botcazou
d924db559b Add Visium support to bfd
bfd/
	* config.bfd: Add Visium support.
	* configure.ac: Likewise.
	* configure: Regenerate.
	* Makefile.am (ALL_MACHINES): Add cpu-visium.lo.
	(ALL_MACHINES_CFILES): Add cpu-visium.c.
	(BFD32_BACKENDS): Add elf32-visium.lo.
	(BFD32_BACKENDS_CFILES): Add elf32-visium.c.
	* Makefile.in: Regenerate.
	* archures.c (DESCRIPTION): Add Visium support.
	(bfd_visium_arch): Declare.
	(bfd_archures_list): Add bfd_visium_arch.
	* reloc.c: Add Visium relocations.
	* targets.c (visium_elf32_vec): Declare.
	(_bfd_target_vector): Add visium_elf32_vec.
	* bfd-in2.h: Regenerate.
	* libbfd.h: Likewise.
	* cpu-visium.c: New file.
	* elf32-visium.c: Likewise.
	* po/SRC-POTFILES.in: Regenerate.
include/elf/
	* common.h (EM_VISIUM): Define.
	* visium.h: New file.
2014-12-06 16:35:18 +01:00
Steve Ellcey
238309aab1 2014-12-05 Steve Ellcey <sellcey@mips.com>
* ecoff.c (_bfd_ecoff_slurp_symbol_table): Add cast.
2014-12-05 11:06:53 -08:00
H.J. Lu
b7365e5df5 Define bfd_elf32_get_synthetic_symtab for x32
* elf64-x86-64.c (bfd_elf32_get_synthetic_symtab): New.
2014-12-05 04:52:47 -08:00
H.J. Lu
3972882e52 Add _bfd_elf_ifunc_get_synthetic_symtab
In i386 and x86-64 binaries with ifunc, relocations against .got.plt
section may not be in the same order as entries in PLT section.  This
patch adds _bfd_elf_ifunc_get_synthetic_symtab.  It takes a function
pointer which returns an array of PLT entry symbol values.  It calls
the function pointer to get the PLT entry symbol value array indexed
by relocation index, instead of calling plt_sym_val on each relocation
index.

	PR binutils/17677
	* elf-bfd.h (_bfd_elf_ifunc_get_synthetic_symtab): New prototype.
	* elf-ifunc.c (_bfd_elf_ifunc_get_synthetic_symtab): New
	function.
	* elf32-i386.c (elf_i386_plt_sym_val): Removed.
	(elf_backend_plt_sym_val): Likewise.
	(elf_i386_get_plt_sym_val): New.
	(elf_i386_get_synthetic_symtab): Likewise.
	(bfd_elf32_get_synthetic_symtab): Likewise.
	* elf64-x86-64.c (elf_x86_64_plt_sym_val): Removed.
	(elf_x86_64_plt_sym_val_offset_plt_bnd): Likewise.
	(elf_backend_plt_sym_val): Likewise.
	(elf_x86_64_get_plt_sym_val): New.
	(elf_x86_64_get_synthetic_symtab): Use
	_bfd_elf_ifunc_get_synthetic_symtab.
	(bfd_elf64_get_synthetic_symtab): Don't undefine for NaCl.
2014-12-04 16:55:39 -08:00
Alan Modra
53df40a43c Sort relocs output by ld -r
bfd/
	PR 17666
	* elflink.c: Include bfd_stdint.h.
	(cmp_ext32l_r_offset, cmp_ext32b_r_offset,
	cmp_ext64l_r_offset, cmp_ext64b_r_offset): New functions.
	(elf_link_adjust_relocs): Sort relocs.  Free reloc hashes after
	sorting invalidates.
ld/testsuite/
	* ld-powerpc/vxworks-relax.rd: Update for reloc sorting.
	* ld-powerpc/vxworks-relax-2.rd: Likewise.
	* ld-sh/sh64/reldl32.rd: Likewise.
	* ld-sh/sh64/reldl64.rd: Likewise.
2014-12-04 17:37:58 +10:30
Nick Clifton
db6b071a97 Fix memory access problems exposed by fuzzed binaries.
PR binutils/17512
	* objdump.c (free_debug_section): Reset the compress_status as
	well.

	* compress.c (bfd_get_full_section_contents): Fail if there are no
	section contents available when the compress_status is
	COMPRESS_SECTION_DONE.
	* libbfd.c (bfd_malloc): Refuse to allocate a negative size.
	(bfd_malloc2): Use bfd_malloc.
	(bfd_realloc): Refuse to reallocate a negative size.
	(bfd_realloc2): Use bfd_realloc.
	(bfd_realloc_or_free): Use bfd_realloc.
	(bfd_zmalloc): Use bfd_malloc.
	(bfd_zmalloc): Use bfd_malloc2.
	* opncls.c (bfd_alloc): Refuse to allocate a negative size.
2014-12-03 19:50:48 +00:00
H.J. Lu
9d157cb9fe Reformat elf_x86_64_create_dynamic_sections
* elf64-x86-64.c (elf_x86_64_create_dynamic_sections): Reformat.
2014-12-03 08:10:04 -08:00
H.J. Lu
fd9edc9089 Check info->executable for symbols which need copy relocs
* elf64-x86-64.c (elf_x86_64_relocate_section): Check
	info->executable for symbols which need copy relocs.
2014-12-02 16:58:22 -08:00
H.J. Lu
31c0ebfe8b Discard space for relocs against symbols with copy relocs
This patch reverts the change in elf_x86_64_check_relocs and the partial
change in elf_x86_64_adjust_dynamic_symbol.  Instead, we discard space
in PIE for relocs against symbols which turn out to need copy relocs.

	* elf64-x86-64.c (elf_x86_64_check_relocs): Revert the last
	change.
	(elf_x86_64_adjust_dynamic_symbol): Don't check !info->shared
	with ELIMINATE_COPY_RELOCS.
	(elf_x86_64_allocate_dynrelocs): For PIE, discard space for
	relocs against symbols which turn out to need copy relocs.
2014-12-02 16:52:12 -08:00
H.J. Lu
9a926d55ab X86-64: Allow copy relocs for building PIE
This patch allows copy relocs for non-GOT pc-relative relocation in PIE.

bfd/

	* elf64-x86-64.c (elf_x86_64_create_dynamic_sections): Always
	allow copy relocs for building executables.
	(elf_x86_64_check_relocs): Allow copy relocs for non-GOT
	pc-relative relocation in shared object.
	(elf_x86_64_adjust_dynamic_symbol): Allocate copy relocs for
	PIE.
	(elf_x86_64_relocate_section): Don't copy a pc-relative
	relocation into the output file if the symbol needs copy reloc.

ld/testsuite/

	* ld-x86-64/copyreloc-lib.c: New file.
	* ld-x86-64/copyreloc-main.c: Likewise.
	* ld-x86-64/copyreloc-main.out: Likewise.
	* ld-x86-64/copyreloc-main1.rd: Likewise.
	* ld-x86-64/copyreloc-main2.rd: Likewise.

	* ld-x86-64/x86-64.exp: Run copyreloc tests.
2014-12-02 15:19:25 -08:00
Andrew Bennett
538baf8b7e [MIPS] When calculating a relocation using an undefined weak symbol don't check for overflow.
In MIPS the relocation calculation only ignores the overflow checks for undefined
weak symbols on relocations associated with j/jal.   This patch extends this to
the relocations used by the: b* instructions; pc/gp relative symbol offsets; and the
lwpc/ldpc MIPS r6 instructions.

bfd/
	* elfxx-mips.c (mips_elf_calculate_relocation): Only check for overflow
	on non-weak undefined symbols.

ld/testsuite/
	* ld-mips-elf/mips-elf.exp: Add in undefined weak overflow tests for
	o32, n32 and n64.
	* ld-mips-elf/undefweak-overflow.s: New test.
	* ld-mips-elf/undefweak-overflow.d: New test.
	* ld-mips-elf/undefweak-overflow-n32.d: New test.
	* ld-mips-elf/undefweak-overflow-n64.d: New test.
2014-12-02 13:27:36 +00:00
Alan Modra
51aecdc532 ppc64_elf_edit_opd revamp
This patch sorts .opd relocs (see pr17666) and allows .opd sections
with a mix of 16 and 24 byte entries to be edited.

	* elf64-ppc.c (OPD_NDX): Define.  Use throughout for sizing/indexing
	_opd_sec_data array, halving required memory.
	(sort_r_offset): New function.
	(ppc64_elf_edit_opd): Sort incoming relocs.  Accept .opd
	sections with a mix of 16 and 24 byte OPD entries.  Don't
	attempt to honour --non-overlapping-opd for .opd sections with
	unexpected relocs.  Simplify opd entry size calculations by
	first finding the reloc for the next entry.  Make edit loop
	handle one opd entry per iteration, with an inner loop
	handling relocs per entry.
2014-12-02 23:13:30 +10:30
Nick Clifton
06614111d1 More fixes for memory access violations exposed by fuzzed binaries.
PR binutils/17512
	* dwarf.h (struct dwarf_section): Add user_data field.
	* dwarf.c (frame_need_space): Check for an over large register
	number.
	(display_debug_frames): Check the return value from
	frame_need_space.  Check for a CFA expression that is so long the
	start address wraps around.
	(debug_displays): Initialise the user_data field.
	* objdump.c (load_specific_debug_section): Save the BFD section
	pointer in the user_data field of the dwarf_section structure.
	(free_debug_section): Update BFD section data when freeing section
	contents.
	* readelf.c (load_specific_debug_section): Initialise the
	user_data field.

	* archive.c (do_slurp_coff_armap): Add range checks to prevent
	running off the end of the string table.
	* compress.c (bfd_get_full_section_contents): Return a NULL
	pointer for zero sized sections.  Do not attempt to copy a buffer
	onto itself.
	* elf-attrs.c (_bfd_elf_parse_attributes): Check for an empty
	header.  Add range checks to avoid running off the end of the
	section.
	* elf.c (bfd_elf_get_str_section): Seek before allocating so that
	if the seek fails, no memory is allocated.
	(bfd_elf_string_from_elf_section): Do not allocate a string from a
	non string section.  It only leads to trouble later on.
	(_bfd_elf_print_private_bfd_data): Check for there being too
	little external dynamic data.
	(bfd_section_from_shdr): Replace assertion with a failure mode.
	(bfd_section_from_shdr): When walking a loaded group section use
	the internal structure size, not the external size.  Check for the
	group section being empty.
	* elf32-i386.c (elf_i386_rtype_to_howto): Replace assertion with a
	failure mode.
	* elfcode.h (elf_slurp_reloc_table): Likewise.
	* reloc.c (bfd_perform_relocation): Avoid seg-fault if the howto
	parameter is NULL.
2014-12-01 16:43:46 +00:00
Alan Modra
7b20f09964 Don't output symbol version definitions for non-DT_NEEDED libs
PR 16452, 16457
	* elflink.c (_bfd_elf_link_find_version_dependencies): Exclude
	symbols from libraries that won't be listed in DT_NEEDED.
	(elf_link_output_extsym): Don't output verdefs for such symbols.
2014-11-30 12:11:03 +10:30
Alan Modra
25ff461f19 Sanity checks on version section
* elf.c (_bfd_elf_slurp_version_tables): Exit loops when vn_next/
	vna_next/vd_next/vda_next is zero.  Correct counts.
2014-11-28 14:39:28 +10:30
Nick Clifton
1036838a77 Fixes a few more memory access violations exposed by fuzzed binaries.
PR binutils/17512
	* ecoff.c (_bfd_ecoff_slurp_symbol_table): Warn about and correct
	a discrepancy between the isymMax and ifdMax values in the
	symbolic header.
	* elf.c (_bfd_elf_print_private_bfd_data): Fix the range check
	scanning the external dynamic entries.
2014-11-27 12:19:10 +00:00
Nick Clifton
a11652892c More fixes for memory access errors triggered by attemps to examine corrupted binaries.
PR binutils/17512
	* dwarf.c (display_block): Do nothing if the block starts after
	the end of the buffer.
	(read_and_display_attr_value): Add range checks.
	(struct Frame_Chunk): Make the ncols and ra fields unsigned.
	(frame_need_space): Test for an ncols of zero.
	(read_cie): Fail if the augmentation data extends off the end of
	the buffer.
	(display_debug_frames): Add checks for read_cie failing.  Add
	range checks.
	* coff-h8300.c (rtype2howto): Replace abort with returning a NULL
	value.
	* coff-h8500.c (rtype2howto): Likewise.
	* coff-tic30.c (rtype2howto): Likewise.
	* coff-z80.c (rtype2howto): Likewise.
	* coff-z8k.c (rtype2howto): Likewise.
	* coff-ia64.c (RTYPE2HOWTO): Always return a valid howto.
	* coff-m68k.c (m68k_rtype2howto): Return a NULL howto if none
	could be found.
	* coff-mcore.c (RTYPE2HOWTO): Add range checking.
	* coff-w65.c (rtype2howto): Likewise.
	* coff-we32k.c (RTYPE2HOWTO): Likewise.
	* pe-mips.c (RTYPE2HOWTO): Likewise.
	* coff-x86_64.c (coff_amd64_reloc): Likewise.  Replace abort with
	an error return.
	* coffcode.h (coff_slurp_reloc_table): Allow the rel parameter to
	be unused.
	* coffgen.c (make_a_section_from_file): Check the length of a
	section name before testing to see if it is a debug section name.
	(coff_object_p): Zero out any uninitialised bytes in the opt
	header.
	* ecoff.c (_bfd_ecoff_slurp_symbolic_info): Test for the raw
	source being empty when there are values to be processed.
	(_bfd_ecoff_slurp_symbol_table): Add range check.
	* mach-o.c (bfd_mach_o_canonicalize_one_reloc): Likewise.
	(bfd_mach_o_mangle_sections): Move test for too many sections to
	before the allocation of the section table.
	(bfd_mach_o_read_symtab_strtab): If the read fails, free the
	memory and nullify the symbol pointer.
	* reloc.c (bfd_generic_get_relocated_section_contents): Add
	handling of a bfd_reloc_notsupported return value.
	* versados.c (EDATA): Add range checking.
	(get_record): Likewise.
	(process_otr): Check for contents being available before updating
	them.
	(versados_canonicalize_reloc): Add range check.
2014-11-26 14:11:23 +00:00
Alan Modra
601a03ba3d _bfd_elf_slurp_version_tables tidy
The internal verref buffer is allocated with bfd_zalloc, based on a
count given in headers.  If the headers are broken/fuzzed and contain
an enormous count the alloc can result in OOM.  If we first read the
external verrefs (into a buffer that isn't zeroed on allocation) then
the read provides a sanity check on the headers.

Also prints an error for version info that fails other sanity checks.

	* elf.c (_bfd_elf_slurp_version_tables): Delay allocation of
	internal verref buffer.  Error for zero sh_info.  Print errors.
	Check for zero vd_ndx.  Use bfd_zalloc for vd_auxptr buffer.
2014-11-26 13:29:29 +10:30
H.J. Lu
60bb06bc89 Use get_symbol_version_string in BFD_JUMP_TABLE_SYMBOLS
This patch adds get_symbol_version_string to BFD_JUMP_TABLE_SYMBOLS so
that we can use bfd_get_symbol_version_string in objdump for non-ELF
targets.

bfd/

	* targets.c (BFD_JUMP_TABLE_SYMBOLS): Use
	NAME##_get_symbol_version_string.
	(bfd_get_symbol_version_string): New.
	* aout-adobe.c (aout_32_get_symbol_version_string): Define using
	_bfd_nosymbols define.
	* aout-target.h (MY_get_symbol_version_string): Likewise.
	* aout-tic30.c (MY_get_symbol_version_string): Likewise.
	* binary.c (binary_get_symbol_version_string): Likewise.
	* bout.c (aout_32_get_symbol_version_string): Likewise.
	* coff-rs6000.c (_bfd_xcoff_get_symbol_version_string): Likewise.
	* i386msdos.c (msdos_get_symbol_version_string): Likewise.
	* i386os9k.c (aout_32_get_symbol_version_string): Likewise.
	* ieee.c (ieee_get_symbol_version_string): Likewise.
	* ihex.c (ihex_get_symbol_version_string): Likewise.
	* libecoff.h (_bfd_ecoff_get_symbol_version_string): Likewise.
	* mach-o-target.c (bfd_mach_o_get_symbol_version_string): Likewise.
	* mmo.c (mmo_get_symbol_version_string): Likewise.
	* nlm-target.h (nlm_get_symbol_version_string): Likewise.
	* oasys.c (oasys_get_symbol_version_string): Likewise.
	* pef.c (bfd_pef_get_symbol_version_string): Likewise.
	* plugin.c (bfd_plugin_get_symbol_version_string): Likewise.
	* ppcboot.c (ppcboot_get_symbol_version_string): Likewise.
	* som.c (som_get_symbol_version_string): Likewise.
	* srec.c (srec_get_symbol_version_string): Likewise.
	* tekhex.c (tekhex_get_symbol_version_string): Likewise.
	* versados.c (versados_get_symbol_version_string): Likewise.
	* vms-alpha.c (alpha_vms_get_symbol_version_string): Likewise.
	* xsym.c (bfd_sym_get_symbol_version_string): Likewise.

	* coff64-rs6000.c (rs6000_xcoff64_vec): Use
	coff_get_symbol_version_string.
	(rs6000_xcoff64_aix_vec): Likewise.

	* elf-bfd.h (bfd_elf_get_symbol_version_string): Renamed to ...
	(_bfd_elf_get_symbol_version_string): This.
	* elf.c: Likewise.
	(bfd_elf_print_symbol): Updated.
	* elfxx-target.h (bfd_elfNN_get_symbol_version_string): Define.

	* libbfd-in.h (_bfd_nosymbols_get_symbol_version_string): Define.
	* libcoff-in.h (coff_get_symbol_version_string): Likewise.
	* bfd-in2.h: Regenerated.
	* libbfd.h: Likewise.
	* libcoff.h: Likewise.

binutils/

	* objdump.c (objdump_print_symname): Replace
	bfd_elf_get_symbol_version_string with
	bfd_get_symbol_version_string.
2014-11-25 09:28:32 -08:00
H.J. Lu
bb4d2ac2cc Display symbol version when dumping dynrelocs
Both readelf/objdump know how to get symbol version string for dynamic
symbols.  This patch extracts this functionality into a separate
function and uses it to add symbol version string to versioned symbol
names when dumping dynamic relocations.

bfd/

	PR binutils/16496
	* elf-bfd.h (bfd_elf_get_symbol_version_string): New.
	* elf.c (bfd_elf_get_symbol_version_string): New.  Extracted
	from bfd_elf_print_symbol.
	(bfd_elf_print_symbol): Use it.

binutils/

	PR binutils/16496
	* objdump.c (objdump_print_symname): Call
	bfd_elf_get_symbol_version_string to get ELF symbol version
	string.  Append version string if needed.

	* readelf.c (versioned_symbol_info): New enum.
	(get_symbol_version_string): New.  Extracted from
	process_symbol_table.
	(dump_relocations): Add a new argument to indicate if dynamic
	symbol table is used.  Use get_symbol_version_string to get
	symbol version string for dynamic symbol.  Append version string
	if needed.
	(process_relocs): Updated dump_relocations call.
	(process_symbol_table): Use get_symbol_version_string.

ld/testsuite/

	PR binutils/16496
	* ld-cris/weakref3.d: Add symbol version string to versioned
	symbol names in dynamic relocation.
	* ld-cris/weakref4.d: Likewise.
	* ld-elfvers/vers24.rd: Likewise.

	* ld-elf/pr16496a.c: New file.
	* ld-elf/pr16496a.map: Likewise.
	* ld-elf/pr16496b.c: Likewise.
	* ld-elf/pr16496b.od: Likewise.

	* ld-elf/shared.exp (build_tests): Add libpr16496a.so and
	libpr16496b.so tests.
2014-11-25 06:47:44 -08:00
H.J. Lu
dd7e64d45b Optimize out i386/x86-64 JUMP_SLOT relocation
When there are both PLT and GOT references to the same function symbol,
linker will create a GOTPLT slot for PLT entry and a GOT slot for GOT
reference.  A run-time JUMP_SLOT relocation is created to update the
GOTPLT slot and a run-time GLOB_DAT relocation is created to update the
GOT slot.  Both JUMP_SLOT and GLOB_DAT relocations will apply the same
symbol value to GOTPLT and GOT slots, respectively, at run-time.

This optimization combines GOTPLT and GOT slots into a single GOT slot
and removes the run-time JUMP_SLOT relocation.  It replaces the regular
PLT entry:

	indirect jump	[GOTPLT slot]
	push		relocation index
	jump		PLT0

with an GOT PLT entry with an indirect jump via the GOT slot:

	indirect jump	[GOT slot]
	nop

and resolves PLT reference to the GOT PLT entry.

We must avoid this optimization if pointer equality is needed since
we don't clear symbol value in this case and the dynamic linker won't
update the GOT slot.  Otherwise, the resulting binary will get into an
infinite loop at run-time.

bfd/

	* elf32-i386.c (elf_i386_got_plt_entry): New.
	(elf_i386_pic_got_plt_entry): Likewise.
	(elf_i386_link_hash_entry): Add plt_got.
	(elf_i386_link_hash_table): Likewise.
	(elf_i386_link_hash_newfunc): Initialize plt_got.offset to -1.
	(elf_i386_get_local_sym_hash): Likewise.
	(elf_i386_check_relocs): Create the GOT PLT if there are both
	PLT and GOT references when the regular PLT is used.
	(elf_i386_allocate_dynrelocs): Use the GOT PLT if there are
	both PLT and GOT references unless pointer equality is needed.
	(elf_i386_relocate_section): Also check the GOT PLT when
	resolving R_386_PLT32.
	(elf_i386_finish_dynamic_symbol): Use the GOT PLT if it is
	available.

	* elf64-x86-64.c (elf_x86_64_link_hash_entry): Add plt_got.
	(elf_x86_64_link_hash_table): Likewise.
	(elf_x86_64_link_hash_newfunc): Initialize plt_got.offset to -1.
	(elf_x86_64_get_local_sym_hash): Likewise.
	(elf_x86_64_check_relocs): Create the GOT PLT if there are both
	PLT and GOT references when the regular PLT is used.
	(elf_x86_64_allocate_dynrelocs): Use the GOT PLT if there are
	both PLT and GOT references unless pointer equality is needed.
	(elf_x86_64_relocate_section): Also check the GOT PLT when
	resolving R_X86_64_PLT32.
	(elf_x86_64_finish_dynamic_symbol): Use the GOT PLT if it is
	available.

ld/

	* emulparams/elf_i386.sh (TINY_READONLY_SECTION): New.
	* emulparams/elf_x86_64.sh (TINY_READONLY_SECTION): Add .plt.got.

ld/testsuite/

	* ld-i386/i386.exp: Add run-time relocation tests for plt-main.
	* ld-i386/plt-main.rd: New file.
	* ld-x86-64/plt-main-bnd.dd: Likewise.
	* ld-x86-64/plt-main.rd: Likewise.
	* ld-x86-64/x86-64.exp: Add run-time relocation tests for
	plt-main.
2014-11-25 05:05:39 -08:00
H.J. Lu
6e733ccea9 Update libtool.m4 from GCC trunk
* libtool.m4: Updated from GCC trunk.

bfd/

	* configure: Regenerated.

binutils/

	* configure: Regenerated.

gas/

	* configure: Regenerated.

gprof/

	* configure: Regenerated.

ld/

	* configure: Regenerated.

opcodes/

	* configure: Regenerated.
2014-11-24 09:14:09 -08:00
Jiong Wang
520c7b56ac [AArch64] Cortex-A53 Erratum 835769 -- sort maps
2014-11-24  Tejas Belagod  <tejas.belagod@arm.com>

  bfd/
    * elfnn-aarch64.c (elf_aarch64_compare_mapping): New.
    (erratum_835769_scan): Sort map list.
2014-11-24 13:43:39 +00:00
Alan Modra
e05fa0bad2 PowerPC64 --plt-align
Alignment of plt stubs was broken, firstly because the option was
being dropped due to the alignment value not being set in the "params"
struct used in elf64-ppc.c, and secondly due to not calculating the
number of alignment boundary crossings correctly.

bfd/
	* elf64-ppc.c (plt_stub_pad): Correct.
ld/
	* ld.texinfo: Correct --plt-align documentation.
	* emultempl/ppc64elf.em (plt_stub_align): Delete.  Use and set
	params.plt_stub_align instead.
2014-11-24 12:56:59 +10:30
H.J. Lu
6db50b4cfe Assert size of elf_x86_64_{bnd|legacy}_plt2_entry
Assert size of elf_x86_64_bnd_plt2_entry and elf_x86_64_legacy_plt2_entry
only in elf_x86_64_check_relocs.

	* elf64-x86-64.c (elf_x86_64_check_relocs): Assert size of
	elf_x86_64_bnd_plt2_entry and elf_x86_64_legacy_plt2_entry.
	(elf_x86_64_allocate_dynrelocs): Don't assert size of
	elf_x86_64_bnd_plt2_entry and elf_x86_64_legacy_plt2_entry.
2014-11-23 05:54:02 -08:00
H.J. Lu
35a14c6b54 Check branch displacement overflow in x86-64 PLT entry
Displacement of branch to PLT0 in x86-64 PLT entry is signed 32-bit.
This patch adds a sanity check.  We will only see the failure when PLT
size is > 2GB.

	* elf64-x86-64.c (elf_x86_64_finish_dynamic_symbol): Check
	branch displacement overflow in PLT entry.
2014-11-22 08:58:07 -08:00
Nick Clifton
0a9d414aa1 Fixes for memory access violations exposed by fuzzinf various binaries.
PR binutils/17512
	* dwarf.c (get_encoded_value): Check for an encoded size of 0.
	(display_debug_lines_raw): Check for an invalid line range value.
	(display_debug_frames): Check for corrupt augmentation data.

	* coffgen.c (coff_get_normalized_symtab): Check for an excessive
	number of auxillary entries.
	* ieee.c (next_byte): Convert to a function.  Return FALSE if the
	next byte is beyond the end of the buffer.
	(parse_int): Test the return value of next_byte.
	(parse_expression): Convert to boolean.  Return FALSE if the
	parsing failed.  Test the return value of next_byte.
	(ieee_seek): Convert to a function.  Return FALSE if the seek goes
	beyond the end of the buffer.
	(ieee_slurp_external_symbols): Test the return value of ieee_seek
	and next_byte.
	(ieee_slurp_sections): Convert to boolean.  Return FALSE if the
	operation failed.  Test the return value of ieee_seek and
	next_byte.
	(ieee_archive_p): Test the return value of ieee_seek and
	next_byte.
	(do_one): Likewise.
	(ieee_slurp_section_data): Likewise.
	(ieee_object_p): Likewise.  Store the size of the buffer in the
	total_amt field in the header.
	* libieee.h (common_header_type): Add amt field.
	* mach-o.c (bfd_mach_o_canonicalize_one_reloc): Check that the
	reloc's value is within range.
	(bfd_mach_o_read_symtab_symbols): Nullify the symbols field if the
	operation fails.
	* pei-x86_64.c (pex64_xdata_print_uwd_codes): Replace abort with
	an error message.
	(pex64_dump_xdata): Check for buffer overflows.
	* versados.c (process_otr): Check that the section exists before
	taking its size.
	(versados_object_p): Make sure that enough data was read for the
	header to be checked.
	* vms-alpha.c (vms_get_remaining_object_record): Change
	read_so_far parameter to an unsigned int.  Check that the amount
	read is in range.
2014-11-21 21:44:04 +00:00
H.J. Lu
5974eba65b Optimize PC-relative offset overflow check
* elf64-x86-64.c (elf_x86_64_finish_dynamic_symbol): Optimize
	PC-relative offset overflow check.
2014-11-21 12:12:30 -08:00
Alexander Cherepanov
cd11f78f81 Fix a snafu setting up the string table read in from a COFF file.
PR binutils/17512
	* coffgen.c (_bfd_coff_read_string_table): Test allocation of
	string table before clearing the first few bytes.
2014-11-21 11:19:49 +00:00
Terry Guo
a715796ba1 Support ARM Cortex-M7
include/ChangeLog:
2014-11-21  Terry Guo  <terry.guo@arm.com>

	* opcode/arm.h (FPU_VFP_EXT_ARMV8xD): New macro.
	(FPU_VFP_V5D16): Likewise.
	(FPU_VFP_V5_SP_D16): Likewise.
	(FPU_ARCH_VFP_V5D16): Likewise.
	(FPU_ARCH_VFP_V5_SP_D16): Likewise.

bfd/ChangeLog:
2014-11-21  Terry Guo  <terry.guo@arm.com>

	* elf32-arm.c (elf32_arm_merge_eabi_attributes): Support FPv5.

binutils/ChangeLog:
2014-11-21  Terry Guo  <terry.guo@arm.com>

	* readelf.c (arm_attr_tag_FP_arch): Extended to support FPv5.

gas/ChangeLog:
2014-11-21  Terry Guo  <terry.guo@arm.com>

	* config/tc-arm.c (fpu_vfp_ext_armv8xd): New.
	(arm_cpus): Support cortex-m7.
	(arm_fpus): Support fpv5-sp-d16 and fpv5-d16.
	(do_vfp_nsyn_cvt_fpv8): Generate error when use D register for S
	register only target like FPv5-SP-D16.
	(do_neon_cvttb_1): Likewise.
	(do_vfp_nsyn_fpv8): Likewise.
	(do_vrint_1): Likewise.
	(aeabi_set_public_attributes): Set proper FP arch for FPv5.
	* doc/c-arm.texi: Document new cpu and fpu names for cortex-m7.

gas/testsuite/ChangeLog:
2014-11-21  Terry Guo  <terry.guo@arm.com>

	* gas/arm/armv7e-m+fpv5-d16.s: New.
	* gas/arm/armv7e-m+fpv5-d16.d: Likewise.
	* gas/arm/armv7e-m+fpv5-sp-d16.s: Likewise.
	* gas/arm/armv7e-m+fpv5-sp-d16.d: Likewise.

ld/testsuite/ChangeLog:
2014-11-21  Terry Guo  <terry.guo@arm.com>

	* ld-arm/attr-merge-vfp-4-sp.s: New test source file.
	* ld-arm/attr-merge-vfp-5-sp.s: Likewise.
	* ld-arm/attr-merge-vfp-5.s: Likewise.
	* ld-arm/attr-merge-vfp-8.d: New test.
	* ld-arm/attr-merge-vfp-8r.d: Likewise.
	* ld-arm/attr-merge-vfp-9.d: Likewise.
	* ld-arm/attr-merge-vfp-9r.d: Likewise.
	* ld-arm/attr-merge-vfp-10.d: Likewise.
	* ld-arm/attr-merge-vfp-10r.d: Likewise.
	* ld-arm/attr-merge-vfp-11.d: Likewise.
	* ld-arm/attr-merge-vfp-11r.d: Likewise.
	* ld-arm/attr-merge-vfp-12.d: Likewise.
	* ld-arm/attr-merge-vfp-12r.d: Likewise.
	* ld-arm/attr-merge-vfp-13.d: Likewise.
	* ld-arm/attr-merge-vfp-13r.d: Likewise.
	* ld-arm/attr-merge-vfp-14.d: Likewise.
	* ld-arm/attr-merge-vfp-14r.d: Likewise.
	* ld-arm/arm-elf.exp: Run the new tests.
2014-11-21 11:36:06 +08:00
Alan Modra
0cfb071748 PPC gold doesn't check for overflow properly
Corrects overflow test for rel14, addr14, rel24, addr24 branch relocs,
and prints an information message to give a hint as to how a branch
that can't reach a stub might be cured.

bfd/
	* elf64-ppc.c (group_sections): Init stub14_group_size from
	--stub-group-size parameter divided by 1024.
gold/
	* powerpc.cc (Stub_control::Stub_control): Init stub14_group_size_
	from --stub-group-size parameter divided by 1024.
	(Powerpc_relocate_functions::rela, rela_ua): Add fieldsize
	template parameter.  Update all uses.
	(Target_powerpc::Relocate::relocate): Rename has_plt_value to
	has_stub_value.  Set for long branches.  Don't report overflow for
	branch to undefined weak symbols.  Print info message on
	overflowing branch to stub.
2014-11-20 21:37:05 +10:30