mirror/binutils-gdb
2
0
Fork 0
mirror of https://sourceware.org/git/binutils-gdb.git synced 2024-12-15 04:31:49 +08:00
Code Issues Packages Projects Releases Wiki Activity
a068643d69
binutils-gdb/bfd/ChangeLog
Sudakshina Das 1dbade7441 [BFD, LD, AArch64, 3/3] Add --pac-plt to enable PLTs protected with PAC. 
This is part of the patch series to add support for BTI and
PAC in AArch64 linker.

1) This patch adds new definitions of PAC enabled PLTs
and both BTI and PAC enabled PLTs.
2) It also defines the new dynamic tag DT_AARCH64_PAC_PLT
for the PAC enabled PLTs.
3) This patch adds a new ld command line option: --pac-plt.
In the presence of this option, the linker uses the PAC
enabled PLTs and marks with DT_AARCH64_PAC_PLT.
4) In case both BTI and PAC are enabled the linker should
pick PLTs enabled with both and also use dynamic tags for both.
All these are made according to the new AArch64 ELF ABI
https://developer.arm.com/docs/ihi0056/latest/elf-for-the-arm-64-bit-architecture-aarch64-abi-2018q4

*** bfd/ChangeLog ***

2019-03-13  Sudakshina Das  <sudi.das@arm.com>

	* elfnn-aarch64.c (PLT_PAC_ENTRY_SIZE, PLT_PAC_SMALL_ENTRY_SIZE): New.
	(PLT_BTI_PAC_ENTRY_SIZE, PLT_BTI_PAC_SMALL_ENTRY_SIZE): New.
	(setup_plt_values): Account for PAC or PAC and BTI enabled PLTs.
	(elfNN_aarch64_size_dynamic_sections): Add checks for PLT_BTI_PAC
	and PLT_PAC_PLT.
	(elfNN_aarch64_finish_dynamic_sections): Account for PLT_BTI_PAC.
	(get_plt_type): Add case for DT_AARCH64_PAC_PLT.
	(elfNN_aarch64_plt_sym_val): Add cases for PLT_BTI_PAC and PLT_PAC.

*** binutils/ChangeLog ***

2019-03-13  Sudakshina Das  <sudi.das@arm.com>

	* readelf.c (get_aarch64_dynamic_type): Add case for
	DT_AARCH64_PAC_PLT.
	(dynamic_section_aarch64_val): Likewise.

*** include/ChangeLog ***

2019-03-13  Sudakshina Das  <sudi.das@arm.com>

	* elf/aarch64.h (DT_AARCH64_PAC_PLT): New.

*** ld/ChangeLog ***

2019-03-13  Sudakshina Das  <sudi.das@arm.com>

	* NEWS: Document --pac-plt.
	* emultempl/aarch64elf.em (OPTION_PAC_PLT): New.
	(PARSE_AND_LIST_LONGOPTS, PARSE_AND_LIST_OPTIONS): Add pac-plt.
	(PARSE_AND_LIST_ARGS_CASES): Handle OPTION_PAC_PLT.
	* testsuite/ld-aarch64/aarch64-elf.exp: Add the following tests.
	* testsuite/ld-aarch64/bti-pac-plt-1.d: New test.
	* testsuite/ld-aarch64/bti-pac-plt-2.d: New test.
	* testsuite/ld-aarch64/pac-plt-1.d: New test.
	* testsuite/ld-aarch64/pac-plt-2.d: New test.
	* testsuite/ld-aarch64/bti-plt-1.s: Add .ifndef directive.
2019-03-13 11:47:33 +00:00

374 lines
12 KiB
Plaintext
Raw Blame History

This file contains invisible Unicode characters

This file contains invisible Unicode characters that are indistinguishable to humans but may be processed differently by a computer. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

2019-03-13 Sudakshina Das <sudi.das@arm.com>
* elfnn-aarch64.c (PLT_PAC_ENTRY_SIZE, PLT_PAC_SMALL_ENTRY_SIZE): New.
(PLT_BTI_PAC_ENTRY_SIZE, PLT_BTI_PAC_SMALL_ENTRY_SIZE): New.
(setup_plt_values): Account for PAC or PAC and BTI enabled PLTs.
(elfNN_aarch64_size_dynamic_sections): Add checks for PLT_BTI_PAC
and PLT_PAC_PLT.
(elfNN_aarch64_finish_dynamic_sections): Account for PLT_BTI_PAC.
(get_plt_type): Add case for DT_AARCH64_PAC_PLT.
(elfNN_aarch64_plt_sym_val): Add cases for PLT_BTI_PAC and PLT_PAC.
2019-03-13 Sudakshina Das <sudi.das@arm.com>
Szabolcs Nagy <szabolcs.nagy@arm.com>
* bfd-in.h (aarch64_plt_type, aarch64_enable_bti_type): New.
(aarch64_bti_pac_info): New.
(bfd_elf64_aarch64_set_options): Add aarch64_bti_pac_info argument.
(bfd_elf32_aarch64_set_options): Likewise.
* bfd-in2.h: Regenerate
* elfnn-aarch64.c (PLT_BTI_ENTRY_SIZE): New.
(PLT_BTI_SMALL_ENTRY_SIZE, PLT_BTI_TLSDESC_ENTRY_SIZE): New.
(elfNN_aarch64_small_plt0_bti_entry): New.
(elfNN_aarch64_small_plt_bti_entry): New.
(elfNN_aarch64_tlsdesc_small_plt_bti_entry): New.
(elf_aarch64_obj_tdata): Add no_bti_warn and plt_type fields.
(elf_aarch64_link_hash_table): Add plt0_entry, plt_entry and
tlsdesc_plt_entry_size fields.
(elfNN_aarch64_link_hash_table_create): Initialise the new fields.
(setup_plt_values): New helper function.
(bfd_elfNN_aarch64_set_options): Use new bp_info to set plt sizes and
bti enable type.
(elfNN_aarch64_allocate_dynrelocs): Use new size members instead of
fixed macros.
(elfNN_aarch64_size_dynamic_sections): Likewise and add checks.
(elfNN_aarch64_create_small_pltn_entry): Use new generic pointers
to plt stubs instead of fixed ones and update filling them according
to the need for bti.
(elfNN_aarch64_init_small_plt0_entry): Likewise.
(elfNN_aarch64_finish_dynamic_sections): Likewise.
(get_plt_type, elfNN_aarch64_get_synthetic_symtab): New.
(elfNN_aarch64_plt_sym_val): Update size accordingly.
(elfNN_aarch64_link_setup_gnu_properties): Set up plts if BTI GNU NOTE
is set.
(bfd_elfNN_get_synthetic_symtab): Define.
(elfNN_aarch64_merge_gnu_properties): Give out warning with --force-bti
and mising BTI NOTE SECTION.
2019-03-13 Sudakshina Das <sudi.das@arm.com>
* elf-properties.c (_bfd_elf_link_setup_gnu_properties): Exclude
linker created inputs from merge.
* elfnn-aarch64.c (struct elf_aarch64_obj_tdata): Add field for
GNU_PROPERTY_AARCH64_FEATURE_1_AND properties.
(elfNN_aarch64_link_setup_gnu_properties): New.
(elfNN_aarch64_merge_gnu_properties): New.
(elf_backend_setup_gnu_properties): Define for AArch64.
(elf_backend_merge_gnu_properties): Likewise.
* elfxx-aarch64.c (_bfd_aarch64_elf_link_setup_gnu_properties): Define.
(_bfd_aarch64_elf_parse_gnu_properties): Define.
(_bfd_aarch64_elf_merge_gnu_properties): Define.
* elfxx-aarch64.h (_bfd_aarch64_elf_link_setup_gnu_properties): Declare.
(_bfd_aarch64_elf_parse_gnu_properties): Declare.
(_bfd_aarch64_elf_merge_gnu_properties): Declare.
(elf_backend_parse_gnu_properties): Define for AArch64.
2019-03-13 H.J. Lu <hongjiu.lu@intel.com>
PR ld/24322
* elfxx-x86.c (_bfd_x86_elf_merge_gnu_properties): Properly
merge GNU_PROPERTY_X86_FEATURE_1_[IBT|SHSTK].
2019-03-12 Alan Modra <amodra@gmail.com>
* coffcode.h (buy_and_read): Delete unnecessary forward decl. Add
nmemb parameter. Use bfd_alloc2.
(coff_slurp_line_table): Use bfd_alloc2. Update buy_and_read calls.
Delete assertion.
(coff_slurp_symbol_table): Use bfd_alloc2 and bfd_zalloc2.
(coff_slurp_reloc_table): Use bfd_alloc2. Update buy_and_read calls.
* coffgen.c (coff_get_reloc_upper_bound): Ensure size calculation
doesn't overflow.
* elf.c (bfd_section_from_shdr): Use bfd_zalloc2. Style fix.
(assign_section_numbers): Style fix.
(swap_out_syms): Use bfd_malloc2.
(_bfd_elf_get_reloc_upper_bound): Ensure size calculation doesn't
overflow.
(_bfd_elf_make_empty_symbol): Style fix.
(elfobj_grok_stapsdt_note_1): Formatting.
* elfcode.h (elf_object_p): Use bfd_alloc2.
(elf_write_relocs, elf_write_shdrs_and_ehdr): Likewise.
(elf_slurp_symbol_table): Use bfd_zalloc2.
(elf_slurp_reloc_table): Use bfd_alloc2.
(_bfd_elf_bfd_from_remote_memory): Use bfd_malloc2.
* elf64-sparc (elf64_sparc_get_reloc_upper_bound): Ensure
size calculation doesn't overflow.
(elf64_sparc_get_dynamic_reloc_upper_bound): Likewise.
* mach-o.c (bfd_mach_o_get_reloc_upper_bound): Likewise.
* pdp11.c (get_reloc_upper_bound): Copy aoutx.h version.
2019-03-08 Alan Modra <amodra@gmail.com>
PR 24311
* merge.c (merge_strings): Return secinfo. Don't pad section
to alignment here.
(_bfd_merge_sections): Pad section to alignment here, if input
sections contributing to merged output all pad to alignment.
Formatting.
2019-03-06 Nick Clifton <nickc@redhat.com>
* dwarf2.c (_bfd_dwarf2_find_symbol_bias): Check for a NULL symbol
table pointer.
* coffgen.c (coff_find_nearest_line_with_names): Do not call
_bfd_dwarf2_find_symbol_bias if there is no symbol table available.
2019-03-01 Andreas Krebbel <krebbel@linux.ibm.com>
This reverts commit 5a12586d44fa8d5dfc74cbca4f2f36a273a16335.
2019-01-14 Maamoun Tarsha <maamountk@hotmail.com>
PR 20113
* elf32-s390.c (allocate_dynrelocs): Update comment.
2019-02-28 Tamar Christina <tamar.christina@arm.com>
* elf-eh-frame.c (_bfd_elf_write_section_eh_frame): Correct CIE parse.
2019-02-28 Nick Clifton <nickc@redhat.com>
PR 24273
* elf.c (bfd_elf_string_from_elf_section): Check for a string
section that is not NUL terminated.
2019-02-27 H.J. Lu <hongjiu.lu@intel.com>
PR ld/24276
* elf64-x86-64.c (elf_x86_64_check_relocs): Skip symbol defined
by linker when checking copy reloc on protected symbol.
2019-02-24 Alan Modra <amodra@gmail.com>
PR 24144
* pdp11.c (set_section_contents): Revert 2015-02-24 change.
2019-02-20 Eric Tsai <erictsai@cadence.com>
* elf32-xtensa.c (is_resolvable_asm_expansion): Scan output
sections between the call site and call destination and adjust
call distance by the largest alignment.
2019-02-20 Alan Hayward <alan.hayward@arm.com>
* elf-bfd.h (elfcore_write_aarch_pauth): Add declaration.
* elf.c (elfcore_grok_aarch_pauth): New function.
(elfcore_grok_note): Check for NT_ARM_PAC_MASK.
(elfcore_write_aarch_pauth): New function.
(elfcore_write_register_note): Check for AArch64 pauth section.
2019-02-20 Alan Modra <amodra@gmail.com>
PR 24225
* elf32-nios2.c (nios2_elf32_relocate_section): Check asprintf
return value.
2019-02-20 Michael Roitzsch <reactorcontrol@icloud.com>
* configure.ac (SHARED_LIBADD): Add -liberty -lintl for all
Darwin hosts, not just or1k.
* configure: Regenerate.
2019-02-20 Alan Modra <amodra@gmail.com>
PR 24236
* archive64.c (_bfd_archive_64_bit_slurp_armap): Move code adding
sentinel NUL to string buffer nearer to loop where it is used.
Don't go past sentinel when scanning strings, and don't write
NUL again.
* archive.c (do_slurp_coff_armap): Simplify string handling to
archive64.c style.
2019-02-19 Alan Modra <amodra@gmail.com>
PR 24235
* pei-x86_64.c (pex64_bfd_print_pdata_section): Correct checks
attempting to prevent read past end of section.
2019-02-18 Alan Modra <amodra@gmail.com>
PR 24225
* elf32-nios2.c (nios2_elf32_relocate_section): Use asprintf and
PRIx64 to generate warning messages. Print local sym names too.
2019-02-09 Vineet Gupta <vgupta@synopsys.com>
* elf32-arc (INIT_SYM_STRING): Delete.
(FINI_SYM_STRING): Likewise.
(init_str): Likewise.
(fini_str): Likewise.
2019-02-08 Alan Modra <amodra@gmail.com>
* elf32-ppc.c (ppc_elf_relocate_section): Add %X to "unsupported
for bss-plt" warning to make it an error.
2019-02-07 Eric Botcazou <ebotcazou@adacore.com>
PR ld/18841
* elf32-sparc.c (elf32_sparc_reloc_type_class): Return
reloc_class_ifunc for ifunc symbols.
* elf64-sparc.c (elf64_sparc_reloc_type_class): Likewise.
2019-02-07 Eric Botcazou <ebotcazou@adacore.com>
* elf32-visium.c (visium_elf_howto_parity_reloc): Minor tweak.
<R_VISIUM_PC16>: Use explicit range test to detect an overflow.
2019-02-07 Nick Clifton <nickc@redhat.com>
* config.bfd: Move the powerpc-lynxos and powerpc-windiss targets
into the definitely obsolete list.
2019-02-05 H.J. Lu <hongjiu.lu@intel.com>
PR ld/24151
* elf64-x86-64.c (elf_x86_64_need_pic): Check
SYMBOL_DEFINED_NON_SHARED_P instead of def_regular.
(elf_x86_64_relocate_section): Move PIC check for PC-relative
relocations to ...
(elf_x86_64_check_relocs): Here.
(elf_x86_64_finish_dynamic_symbol): Use SYMBOL_DEFINED_NON_SHARED_P
to check if a symbol is defined in a non-shared object.
* elfxx-x86.h (SYMBOL_DEFINED_NON_SHARED_P): New.
2019-01-21 Sergio Durigan Junior <sergiodj@redhat.com>
* elf32-arm.c (elf32_arm_final_link_relocate): Use 'llabs' instead
of 'labs' (and fix GCC warning).
2019-01-25 Nick Clifton <nickc@redhat.com>
* po/ru.po: Updated Russian translation.
2019-01-23 Nick Clifton <nickc@redhat.com>
* po/fr.po: Updated French translation.
2019-01-21 Nick Clifton <nickc@redhat.com>
* po/pt.po: Updated Portuguese translation.
* po/uk.po: Updated Ukranian translation.
2019-01-21 Yuri Chornoivan <yurchor@ukr.net>
PR 24108
* elf32-nds32.c (nds32_relocate_section): Add space between words
in error message.
* elfnn-riscv.c (riscv_version_mismatch): Fix spelling mistake in
error message.
(riscv_i_or_e_p): Likewise.
(riscv_merge_arch_attr_info): Likewise.
2019-01-19 Nick Clifton <nickc@redhat.com>
* version.m4: Reset to 2.32.51
* configure: Regenerate.
* po/bfd.pot: Regenerate.
2018-06-24 Nick Clifton <nickc@redhat.com>
2.32 branch created.
2019-01-16 Kito Cheng <kito@andestech.com>
* elf-attrs.c (vendor_obj_attr_size): Return 0 if size is 0 even
for OBJ_ATTR_PROC.
2019-01-16 Kito Cheng <kito@andestech.com>
Nelson Chu <nelson@andestech.com>
* elfnn-riscv.c (in_subsets): New.
(out_subsets): Likewise.
(merged_subsets): Likewise.
(riscv_std_ext_p): Likewise.
(riscv_non_std_ext_p): Likewise.
(riscv_std_sv_ext_p): Likewise.
(riscv_non_std_sv_ext_p): Likewise.
(riscv_version_mismatch): Likewise.
(riscv_i_or_e_p): Likewise.
(riscv_merge_std_ext): Likewise.
(riscv_merge_non_std_and_sv_ext): Likewise.
(riscv_merge_arch_attr_info): Likewise.
(riscv_merge_attributes): Likewise.
(_bfd_riscv_elf_merge_private_bfd_data): Merge attribute.
* elfnn-riscv.c (riscv_elf_obj_attrs_arg_type): New.
(elf_backend_obj_attrs_vendor): Define.
(elf_backend_obj_attrs_section_type): Likewise.
(elf_backend_obj_attrs_section): Likewise.
(elf_backend_obj_attrs_arg_type): Define as
riscv_elf_obj_attrs_arg_type.
* elfxx-riscv.c (riscv_estimate_digit): New.
(riscv_estimate_arch_strlen1): Likewise.
(riscv_estimate_arch_strlen): Likewise.
(riscv_arch_str1): Likewise.
(riscv_arch_str): Likewise.
* elfxx-riscv.h (riscv_arch_str): Declare.
2019-01-14 John Darrington <john@darrington.wattle.id.au>
* bfd-in2.h [BFD_RELOC_S12Z_OPR]: New reloc.
* libbfd.h: regen.
* elf32-s12z.c (eld_s12z_howto_table): R_S12Z_OPR takes non zero
source field. (md_apply_fix): Apply final fix
to BFD_RELOC_S12Z_OPR.
* reloc.c[BFD_RELOC_S12Z_OPR]: New reloc.
2019-01-14 Maamoun Tarsha <maamountk@hotmail.com>
PR 20113
* elf32-s390.c (allocate_dynrelocs): Update comment.
2019-01-09 Andrew Paprocki <andrew@ishiboo.com>
* warning.m4: Adjust egrep pattern for non-GNU compilers.
* configure: Regenerate.
2019-01-08 Alan Modra <amodra@gmail.com>
PR 23699
PR 24065
* ihex.c (ihex_write_object_contents): Properly check 32-bit
address range.
2019-01-05 Yoshinori Sato <ysato@users.sourceforge.jp>
* bfd/archures.c: Add bfd_mach_rx_v2 and bfd_mach_rx_v3.
* bfd/bfd-in2.h: Regenerate.
* bfd/cpu-rx.c (arch_info_struct): Add RXv2 and RXv3 entry.
* bfd/elf32-rx.c (elf32_rx_machine): Add RXv2 and RXv3 support.
2019-01-04 Lifang Xia <lifang_xia@c-sky.com>
* config.bfd (csky-*-elf* | csky-*-linux*): Modify the csky
default target, little endian target is more suitable.
2019-01-04 Alan Modra <amodra@gmail.com>
PR 24061
PR 21786
* coff-rs6000.c (GET_VALUE_IN_FIELD): Add base parameter and
adjust all callers.
(EQ_VALUE_IN_FIELD): Likewise.
* coff64-rs6000.c (GET_VALUE_IN_FIELD): Likewise.
2019-01-01 Alan Modra <amodra@gmail.com>
Update year range in copyright notice of all files.
For older changes see ChangeLog-2018
Copyright (C) 2019 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:
Reference in New Issue View Git Blame Copy Permalink