PR 22465
binutils/
* objcopy.c (copy_section): New local extra. If isection->lma not
exactly divisible by interleave, then bias from. Also adjust
osection->lma if necessary.
ld/
* testsuite/ld-elf/interleave-0.d, testsuite/ld-elf/interleave-4.d,
* testsuite/ld-elf/interleave.ld, testsuite/ld-elf/interleave.s: New.
PR 22552
* readelf.c (process_file_header): Don't assume XINDEX case
value for e_shstrndx is within bounds.
(load_debug_section): Sanity test e_shstrndx before attempting
to read .shstrtab. Wrap long lines.
PR 22508
* objdump.c (dump_relocs_in_section): Also check the section's
relocation count to make sure that it is reasonable before
attempting to allocate space for the relocs.
bfd/
* po/Make-in (datadir): Define as @datadir@.
(localedir): Define as @localedir@.
(gnulocaledir, gettextsrcdir): Use @datarootdir@.
binutils/
* po/Make-in (datadir): Define as @datadir@.
(localedir): Define as @localedir@.
(gnulocaledir, gettextsrcdir): Use @datarootdir@.
gas/
* po/Make-in (datadir): Define as @datadir@.
(localedir): Define as @localedir@.
(gnulocaledir, gettextsrcdir): Use @datarootdir@.
gold/
* po/Make-in (datadir): Define as @datadir@.
(localedir): Define as @localedir@.
(gnulocaledir, gettextsrcdir): Use @datarootdir@.
gprof/
* po/Make-in (datadir): Define as @datadir@.
(localedir): Define as @localedir@.
(gnulocaledir, gettextsrcdir): Use @datarootdir@.
ld/
* po/Make-in (datadir): Define as @datadir@.
(localedir): Define as @localedir@.
(gnulocaledir, gettextsrcdir): Use @datarootdir@.
opcodes/
* po/Make-in (datadir): Define as @datadir@.
(localedir): Define as @localedir@.
(gnulocaledir, gettextsrcdir): Use @datarootdir@.
When dumping notes, get note alignment from either note section or note
segment. To support notes generated by assemblers with
https://sourceware.org/bugzilla/show_bug.cgi?id=22492
we treate alignment as 4 bytes if it is less than 4. Otherwise, we skip
notes if alignment isn't 4 nor 8 bytes.
We should call load_separate_debug_file only if e_shstrndx != SHN_UNDEF.
PR binutils/22490
* readelf.c (process_notes_at): Add an argument for note
alignment. If note alignment is less than 4, use 4 byte
alignment. Otherwise, skip notes if alignment isn't 4 nor
8 bytes.
(process_corefile_note_segments): Pass segment alignment to
process_notes_at.
(process_note_sections): Pass section alignment to
process_notes_at.
(process_object): Call load_separate_debug_file only if
e_shstrndx != SHN_UNDEF.
PR 22490
* readelf.c (dump_section_as_bytes): Check for a NULL string
section pointer.
(process_notes_at): Compute the alignment to use if displaying
notes from a segment.
This fixed the build with GCC 4.2:
cc1: warnings being treated as errors
binutils-gdb/binutils/dwarf.c: In function ‘load_separate_debug_info’:
binutils-gdb/binutils/dwarf.c:9650: warning: declaration of ‘link’ shadows a global declaration
/usr/include/unistd.h:757: warning: shadowed declaration is here
* dwarf.c (load_separate_debug_info): Rename argument name from
link to xlink.
CORE PT_NOTE segments may have p_align values of 0 or 1. gABI specifies
that PT_NOTE alignment should be aligned to 4 bytes for 32-bit objects
and to 8 bytes for 64-bit objects. If segment alignment is less than 4,
we use 4 byte alignment.
This reverts commit 650444eb54.
With this patch, running the GDB test case gdb.base/auxv.exp is stuck in
an infinite loop, consuming memory to the point that it renders the
machine unusable. I am reverting it so we can take our time to
investigate while not killing all the developers' machines.
According to gABI, in a note entry, the note name field, not note name
size, is padded for the note descriptor. And the note descriptor field,
not note descriptor size, is padded for the next note entry. Also notes
are aligned to 4 bytes in 32-bit objects and 8 bytes in 64-bit objects.
Since on Linux, .note.ABI-tag and .note.gnu.build-id notes are always
aligned to 4 bytes, we need to use alignment of note section or note
segment, instead of assuming alignment based on ELF file class.
Tested on i686 and x86-64.
bfd/
PR binutils/22444
* elf.c (elf_read_notes): Add an argument for note aligment.
(elf_parse_notes): Likewise.
(_bfd_elf_make_section_from_shdr): Pass section aligment to
elf_parse_notes.
(bfd_section_from_phdr): Pass segment aligment to elf_read_notes.
(elf_parse_notes): Add an argument for note aligment. Use
ELF_NOTE_DESC_OFFSET to get the offset of the note descriptor.
Use ELF_NOTE_NEXT_OFFSET to get the offset of the next note
entry.
(elf_read_notes): Add an argument for note aligment and pass it
to elf_parse_notes.
binutils/
PR binutils/22444
* readelf.c (process_notes_at): Use ELF_NOTE_DESC_OFFSET to get
the offset of the note descriptor. Use ELF_NOTE_NEXT_OFFSET to
get the offset of the next note entry.
include/
PR binutils/22444
* elf/external.h (ELF_ALIGN_UP): New.
(ELF_NOTE_DESC_OFFSET): Likewise.
(ELF_NOTE_NEXT_OFFSET): Likewise.
Check in the object file generated from the older assembler as a
compressed file.
PR binutils/22451
* testsuite/binutils-all/x86-64/objects.exp: New file.
* testsuite/binutils-all/x86-64/pr22451.o.bz2: Likewise.
* dwarf.c (dwo_name, dwo_dir, dwo_id, dwo_id_len): New variables.
(read_and_display_attr_value): Record dwo variables if requested.
(display_augmentation_data): Rename to display_data and make
generic.
(load_dwo_file): New function. Loads a separate dwarf object
file.
(load_separate_debug_file): Add reporting and loading of separate
dwarf objet files.
* readelf.c (process_section_headers): Add do_debug_links to list
of flags requiring a debug dump.
(display_debug_section): Tidy up code.
* doc/debug.options.texi: Add note that dwo links will also be
followed.
* testsuite/binutils-all/debuglink.s: Tidy code.
* testsuite/binutils-all/dwo.s: New test file.
* testsuite/binutils-all/readelf.wk2: New file - expected output
from readelf.
* testsuite/binutils-all/readelf.exp: Run the new test.
Symbols like *ABS* defined in bfd/section.c:global_syms are not
elf_symbol_type. They can appear on relocs and perhaps other places
in an ELF bfd, so a number of places in nm.c and objdump.c are wrong
to cast an asymbol based on the bfd being ELF. I think we lose
nothing by excluding all section symbols, not just the global_syms.
PR 22443
* nm.c (sort_symbols_by_size): Don't attempt to access
section symbol internal_elf_sym.
(print_symbol): Likewise. Don't call bfd_get_symbol_version_string
for section symbols.
* objdump.c (compare_symbols): Don't attempt to access
section symbol internal_elf_sym.
(objdump_print_symname): Don't call bfd_get_symbol_version_string
for section symbols.
binutils/
* readelf.c (elf/riscv.h): Alphabetize include.
(is_32bit_inplace_add_reloc, is_32bit_inplace_sub_reloc)
(is_64bit_inplace_add_reloc, is_64bit_inplace_sub_reloc)
(is_16bit_inplace_add_reloc, is_16bit_inplace_sub_reloc)
(is_8bit_inplace_add_reloc, is_8bit_inplace_sub_reloc): New.
(apply_relocations): New locals reloc_inplace and reloc_subtract.
Call the new functions and set the new locals. Call byte_get if
reloc_inplace. Subtract sym->st_value if reloc_subtract.
--
This patch causes problems for glibc linknamespace tests because of how it
changes the output format of readelf on .a files.
Previously, "readelf -W -s libc.a" would produce output starting e.g.:
File: /scratch/jmyers/glibc/many8/build/glibcs/x86_64-linux-gnu/glibc/libc.a(init-first.o)
Symbol table '.symtab' contains 30 entries:
and continuing with symbol information for each object in that .a file.
After this commit, instead it starts:
File: /scratch/jmyers/glibc/many8/build/glibcs/x86_64-linux-gnu/glibc/libc.a
Symbol table '.symtab' contains 30 entries:
and every object's symbol information starts with the same File: line,
missing any information about which object's symbols (within libc.a) are
being listed.
I think the previous File: lines that said libc.a(init-first.o) etc.,
identifying the particular object within libc.a, were clearly preferable,
and the glibc linknamespace tests rely on having that information about
the individual object within libc.a.
--
binutils * readelf.c (process_archive): Include member name in the
file_name of the filedata structure.
Hi Guys,
I am applying the rather large patch attached to this email to enhance
the readelf and objdump programs so that they now have the ability to
follow links to separate debug info files. (As requested by PR
15152). So for example whereas before we had this output:
$ readelf -wi main.exe
Contents of the .debug_info section:
[...]
<15> DW_AT_comp_dir : (alt indirect string, offset: 0x30c)
[...]
With the new option enabled we get:
$ readelf -wiK main.exe
main.exe: Found separate debug info file: dwz.debug
Contents of the .debug_info section (loaded from main.exe):
[...]
<15> DW_AT_comp_dir : (alt indirect string, offset: 0x30c) /home/nickc/Downloads/dwzm
[...]
The link following feature also means that we can get two lots of
output if the same section exists in both the main file and the
separate debug info file:
$ readelf -wiK main.exe
main.exe: Found separate debug info file: dwz.debug
Contents of the .debug_info section (loaded from main.exe):
[...]
Contents of the .debug_info section (loaded from dwz.debug):
[...]
The patch also adds the ability to display the contents of debuglink
sections:
$ readelf -wk main.exe
Contents of the .gnu_debugaltlink section:
Separate debug info file: dwz.debug
Build-ID (0x14 bytes):
c4 a8 89 8d 64 cf 70 8a 35 68 21 f2 ed 24 45 3e 18 7a 7a 93
Naturally there are long versions of these options (=follow-links and
=links). The documentation has been updated as well, and since both
readelf and objdump use the same set of debug display options, I have
moved the text into a separate file. There are also a couple of new
binutils tests to exercise the new behaviour.
There are a couple of missing features in the current patch however,
although I do intend to address them in follow up submissions:
Firstly the code does not check the build-id inside separate debug
info files when it is searching for a file specified by a
.gnu_debugaltlink section. It just assumes that if the file is there,
then it contains the information being sought.
Secondly I have not checked the DWARF-5 version of these link
features, so there will probably be code to add there.
Thirdly I have only implemented link following for the
DW_FORM_GNU_strp_alt format. Other alternate formats (eg
DW_FORM_GNU_ref_alt) have yet to be implemented.
Lastly, whilst implementing this feature I found it necessary to move
some of the global variables used by readelf (eg section_headers) into
a structure that can be passed around. I have moved all of the global
variables that were necessary to get the patch working, but I need to
complete the operation and move the remaining, file-specific variables
(eg dynamic_strings).
Cheers
Nick
binutils PR 15152
* dwarf.h (enum dwarf_section_display_enum): Add gnu_debuglink,
gnu_debugaltlink and separate_debug_str.
(struct dwarf_section): Add filename field.
Add prototypes for load_separate_debug_file, close_debug_file and
open_debug_file.
* dwarf.c (do_debug_links): New.
(do_follow_links): New.
(separate_debug_file, separate_debug_filename): New.
(fetch_alt_indirect_string): New function. Retrieves a string
from the debug string table in the separate debug info file.
(read_and_display_attr_value): Use it with DW_FORM_GNU_strp_alt.
(load_debug_section_with_follow): New function. Like
load_debug_section, but if the first attempt fails, then tries
again in the separate debug info file.
(introduce): New function.
(process_debug_info): Use load_debug_section_with_follow and
introduce.
(load_debug_info): Likewise.
(display_debug_lines_raw): Likewise.
(display_debug_lines_decoded): Likewise.
(display_debug_macinfo): Likewise.
(display_debug_macro): Likewise.
(display_debug_abbrev): Likewise.
(display_debug_loc): Likewise.
(display_debug_str): Likewise.
(display_debug_aranges): Likewise.
(display_debug_addr); Likewise.
(display_debug_frames): Likewise.
(display_gdb_index): Likewise.
(process_cu_tu_index): Likewise.
(load_cu_tu_indexes): Likewise.
(display_debug_links): New function. Displays the contents of a
.gnu_debuglink or .gnu_debugaltlink section.
(calc_gnu_debuglink_ctc32):New function. Calculates a CRC32
value.
(check_gnu_debuglink): New function. Checks the CRC of a
potential separate debug info file.
(parse_gnu_debuglink): New function. Reads a CRC value out of a
.gnu_debuglink section.
(check_gnu_debugaltlink): New function.
(parse_gnu_debugaltlink): New function. Reads the build-id value
out of a .gnu_debugaltlink section.
(load_separate_debug_info): New function. Finds and loads a
separate debug info file.
(load_separate_debug_file): New function. Attempts to find and
follow a link to a separate debug info file.
(free_debug_memory): Free the separate debug info file
information.
(opts_table): Add "follow-links" and "links".
(dwarf_select_sections_by_letters): Add "k" and "K".
(debug_displays): Reformat. Add .gnu-debuglink and
.gnu_debugaltlink.
Add an extra entry for .debug_str in a separate debug info file.
* doc/binutils.texi: Move description of debug dump features
common to both readelf and objdump into...
* objdump.c (usage): Add -Wk and -WK.
(load_specific_debug_section): Initialise the filename field in
the dwarf_section structure.
(close_debug_file): New function.
(open_debug_file): New function.
(dump_dwarf): Load and dump the separate debug info sections.
* readelf.c (struct filedata): New structure. Contains various
variables that used to be global:
(current_file_size, string_table, string_table_length, elf_header)
(section_headers, program_headers, dump_sects, num_dump_sects):
Move into filedata structure.
(cmdline): New global variable. Contains list of sections to dump
by number, as specified on the command line.
Add filedata parameter to most functions.
(load_debug_section): Load the string table if it has not already
been retrieved.
(close_file): New function.
(close_debug_file): New function.
(open_file): New function.
(open_debug_file): New function.
(process_object): Process sections in any separate debug info files.
* doc/debug.options.texi: New file. Add description of =links and
=follow-links options.
* NEWS: Mention the new feature.
* elfcomm.c: Have the byte gte functions take a const pointer.
* elfcomm.h: Update prototypes.
* testsuite/binutils-all/dw5.W: Update expected output.
* testsuite/binutils-all/objdump.WL: Update expected output.
* testsuite/binutils-all/objdump.exp: Add test of -WK and -Wk.
* testsuite/binutils-all/readelf.exp: Add test of -wK and -wk.
* testsuite/binutils-all/readelf.k: New file.
* testsuite/binutils-all/objdump.Wk: New file.
* testsuite/binutils-all/objdump.WK2: New file.
* testsuite/binutils-all/linkdebug.s: New file.
* testsuite/binutils-all/debuglink.s: New file.
gas * testsuite/gas/avr/large-debug-line-table.d: Update expected
output.
* testsuite/gas/elf/dwarf2-11.d: Likewise.
* testsuite/gas/elf/dwarf2-12.d: Likewise.
* testsuite/gas/elf/dwarf2-13.d: Likewise.
* testsuite/gas/elf/dwarf2-14.d: Likewise.
* testsuite/gas/elf/dwarf2-15.d: Likewise.
* testsuite/gas/elf/dwarf2-16.d: Likewise.
* testsuite/gas/elf/dwarf2-17.d: Likewise.
* testsuite/gas/elf/dwarf2-18.d: Likewise.
* testsuite/gas/elf/dwarf2-5.d: Likewise.
* testsuite/gas/elf/dwarf2-6.d: Likewise.
* testsuite/gas/elf/dwarf2-7.d: Likewise.
ld * testsuite/ld-avr/gc-section-debugline.d: Update expected
output.
Jim has recently started working at SiFive, where he'll be contributing
to our binutils port. Andrew and I would like him to be a maintainer.
My understanding is that this is right place to ask.
I've also changed my address to my SiFive one, where I also work -- it
seems cleaner to have everyone use our proper email address. While I
was in there, I noticed a trailing space after Andrew's name so I went
ahead and removed it as well.
binutils/ChangeLog
2017-11-07 Palmer Dabbelt <palmer@sifive.com>
* MAINTAINERS (RISC-V): Add Jim Wilson as a maintainer.
Clean up Andrew's entry (remove trailing space, add tabs).
Change Palmer's email address, and clean up entry (add tabs).
binutils has lacked proper pluralization of output messages for a long
time, for example, readelf will display information about a section
that "contains 1 entries" or "There are 1 section headers". Fixing
this properly requires us to use ngettext, because other languages
have different rules to English.
This patch defines macros for ngettext and friends to handle builds
with --disable-nls, and tidies the existing nls support. I've
redefined gettext rather than just defining "_" as dgettext in bfd and
opcodes in case someone wants to use gettext there (which might
conceivably happen with generated code).
bfd/
* sysdep.h: Formatting, comment fixes.
(gettext, ngettext): Redefine when ENABLE_NLS.
(ngettext, dngettext, dcngettext): Define when !ENABLE_NLS.
(_): Define using gettext.
(textdomain, bindtextdomain): Use safer "do nothing".
* hosts/alphavms.h (textdomain, bindtextdomain): Likewise.
(ngettext, dngettext, dcngettext): Define when !ENABLE_NLS.
opcodes/
* opintl.h: Formatting, comment fixes.
(gettext, ngettext): Redefine when ENABLE_NLS.
(ngettext, dngettext, dcngettext): Define when !ENABLE_NLS.
(_): Define using gettext.
(textdomain, bindtextdomain): Use safer "do nothing".
binutils/
* sysdep.h (textdomain, bindtextdomain): Use safer "do nothing".
(ngettext, dngettext, dcngettext): Define when !ENABLE_NLS.
gas/
* asintl.h (textdomain, bindtextdomain): Use safer "do nothing".
(ngettext, dngettext, dcngettext): Define when !ENABLE_NLS.
gold/
* system.h (textdomain, bindtextdomain): Use safer "do nothing".
(ngettext, dngettext, dcngettext): Define when !ENABLE_NLS.
ld/
* ld.h (textdomain, bindtextdomain): Use safer "do nothing".
(ngettext, dngettext, dcngettext): Define when !ENABLE_NLS.
Force printing of the short/signed values using hexadecimal
representation via disassembler option.
opcode/
2017-11-03 Claudiu Zissulescu <claziss@synopsys.com>
* arc-dis.c (print_hex): New variable.
(parse_option): Check for hex option.
(print_insn_arc): Use hexadecimal representation for short
immediate values when requested.
(print_arc_disassembler_options): Add hex option to the list.
binutils/
2017-11-03 Claudiu Zissulescu <claziss@synopsys.com>
* doc/binutils.texi (ARC): Update disassembler options.
* testsuite/binutils-all/arc/hexprint.s: New file.
* testsuite/binutils-all/arc/objdump.exp: Test hex printing feature.
PR 22386
* dwarf.c (read_cie): Use bfd_size_type for
augmentation_data_len.
(display_augmentation_data): New function.
(display_debug_frames): Use it.
Check for integer overflow when testing augmentation_data_len.
PR 22369
* coffgen.c (_bfd_coff_free_symbols): Fail if called on a non-COFF
file.
* cofflink.c (coff_link_check_archive_element): Skip non-COFF
members of an archive.
* readelf.c (process_relocs): Tell users if no static relocs were
found, but if they had added --use-dynamic to the command line
then relocs would have been displayed.
PR 22361
* readelf.c (process_archive_index_and_symbols): Ensure ar_size
field is zero terminated for strtoul.
(setup_archive, get_archive_member_name): Likewise.
When displaying the .debug_frame section, the register numbers in the
DW_CFA_def_cfa* statements are read as signed numbers. I have come
across a target that has register 121, encoded as 0x79 in unsigned LEB128.
Interpreting this as signed results in -7, which makes readelf display
"r-7".
The DWARF5 standard (6.4.2.2) states that the register numbers should be
treated as unsigned LEB128.
Simply replacing READ_SLEB with READ_ULEB resulted in warnings like
these:
/home/emaisin/src/binutils-gdb/binutils/dwarf.c: In function ‘display_debug_frames’:
/home/emaisin/src/binutils-gdb/binutils/dwarf.c:355:17: error: comparison between signed and unsigned integer expressions [-Werror=sign-compare]
if ((var) != _val) \
^
/home/emaisin/src/binutils-gdb/binutils/dwarf.c:7866:8: note: in expansion of macro ‘READ_ULEB’
READ_ULEB (fc->cfa_reg);
^
... so I also changed Frame_Chunk::cfa_reg to an unsigned int.
binutils/ChangeLog:
* dwarf.c (struct Frame_Chunk) <cfa_reg>: Change type to
unsigned int.
(display_debug_frames): Read CFA reg as an unsigned number.
Some targets prefix global symbols with "_".
bfd/
* archive.c (_bfd_compute_and_write_armap): Match "__gnu_lto_slim"
optionally prefixed with "_".
* linker.c (_bfd_generic_link_add_one_symbol): Likewise.
binutils/
* nm.c (filter_symbols): Match "__gnu_lto_slim" optionally prefixed
with "_".
gold/
* symtab.cc (Symbol_table::add_from_relobj): Match "__gnu_lto_slim"
optionally prefixed with "_".
ld/
* testsuite/ld-plugin/lto-3r.d: Match "__gnu_lto_v" optionally
prefixed with "_".
* testsuite/ld-plugin/lto-5r.d: Likewise.
The print_core_note change here fixes the PR, the rest is making
readelf a little more bombproof against maliciously crafted binaries.
PR 22303
* readelf.c (print_core_note): Ensure "count" sanity check
calculation doesn't overflow.
(process_notes_at): Perform note namesz and descsz checks
using unsigned comparisons against data remaining. Catch
alignment overflow of namesz and descsz too. Don't allocate a
temp for terminating "name" when there is space available
before descdata.
In https://sourceware.org/ml/binutils/2017-10/msg00160.html, Nick said I
should update MAINTAINERS to mention that I'm the dwarf-mode.el
maintainer. So, I'm checking this in.
2017-10-17 Tom Tromey <tom@tromey.com>
* MAINTAINERS: Add myself as dwarf-mode.el maintainer.
Bump the dwarf-mode version number, so it can be installed by package.el
users who installed an earlier verision.
2017-10-10 Tom Tromey <tom@tromey.com>
* dwarf-mode.el: Bump to version 1.4.
I was recently examining a very large .debug file. I tried to use
dwarf-mode, but it blocked Emacs for a very long time while reading
output.
This patch changes dwarf-mode to run the objdump process asynchronously.
This way, I can still do other things in Emacs while waiting for the
dumping to finish.
2017-10-10 Tom Tromey <tom@tromey.com>
* dwarf-mode.el (dwarf--process, dwarf--deletion-region): New
defvar.
(dwarf--check-running, dwarf--sentinel, dwarf--invoke)
(dwarf--filter): New functions.
(dwarf-do-insert-substructure, dwarf-do-refresh): Call
dwarf--check-running, dwarf--invoke.
(dwarf-browse): Initialize new variables.
Emacs has had lexical binding for a while, and it's a good practice to
use it; so enable it in dwarf-mode.el.
2017-10-10 Tom Tromey <tom@tromey.com>
* dwarf-mode.el: Set lexical-binding.
It's bad Emacs style to define keys from a top-level form. Instead, one
should define a mode map separately and binding keys in the definition.
This lets users completely override the map by defining it before
loading the mode.
2017-10-10 Tom Tromey <tom@tromey.com>
* dwarf-mode.el (dwarf-mode-map): New defvar.
This patch tidies DWARF header checks, consolidating the "negative"
checks (which are really overflow checks) with the section size
check. In a number of cases this also ensures that small negative
lengths are caught. For instance
hdrptr = start + arange.ar_length + initial_length_size;
if (hdrptr < start || hdrptr > end)
does not detect ar_length in the range [-initial_length_size,-1].
* dwarf.c (process_debug_info): Consolidate header length checks.
(display_debug_pubnames_worker): Use "start" to read header.
Properly check header length and report errors earlier.
Simplify loop printing pubnames.
(get_line_filename_and_dirname): Catch small negative "length"
values.
(display_debug_aranges): Likewise. Report header errors
earlier using standardized message.
(display_debug_names): Likewise.
readelf.c:decode_arm_unwind has a variable res that is used as a
return value, with FALSE meaning unsuccessful and TRUE meaning
successful. This is initialized to FALSE (and then various code in
the function sets it to FALSE again on error), meaning that when the
function is successful, if it reaches returning res is still returns
FALSE, resulting eventually in exit status 1 from readelf without any
error message to indicate an error.
This patch fixes the initialization to use TRUE, so avoiding those
spurious errors. I don't have a self-contained test for this issue;
it was observed as many prelink tests failing without the patch and
passing with it.
* readelf.c (decode_arm_unwind): Initialize res to TRUE.
Jim Wilson
Alan Modra
Oleksandr Pikozh
Nick Clifton
Stefan Stroe
H.J. Lu
Simon Marchi
Pavel I. Kryukov
claziss
Palmer Dabbelt
Mingi Cho
James Bowman
Eric Botcazou
Tom Tromey
Joseph Myers