| Age | Commit message (Collapse) | Author | Files | Lines |
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Apparently some distros have a nagging egrep that helpfully tells you
egrep is deprecated and to use "grep -E". The nag message causes a ld
testsuite failure. What's more the advice isn't that good. The "-E"
flag may not be available with older versions of grep.
This patch fixes bare invocation of egrep within binutils, replacing
it with the autoconf $EGREP or with grep.
config/
* lib-ld.m4 (AC_LIB_PROG_LD_GNU): Require AC_PROG_EGREP and
invoke $EGREP.
(AC_LIB_PROG_LD): Likewise.
binutils/
* configure: Regenerate.
* embedspu.sh: Replace egrep with grep.
gold/
* testsuite/Makefile.am (flagstest_compress_debug_sections.check):
Replace egrep with grep.
* testsuite/Makefile.in: Regenerate.
* testsuite/bnd_ifunc_1.sh: Replace egrep with $EGREP.
* testsuite/bnd_ifunc_2.sh: Likewise.
* testsuite/bnd_plt_1.sh: Likewise.
* testsuite/discard_locals_test.sh: Likewise.
* testsuite/gnu_property_test.sh: Likewise.
* testsuite/no_version_test.sh: Likewise.
* testsuite/pr18689.sh: Likewise.
* testsuite/pr26936.sh: Likewise.
* testsuite/retain.sh: Likewise.
* testsuite/split_i386.sh: Likewise.
* testsuite/split_s390.sh: Likewise.
* testsuite/split_x32.sh: Likewise.
* testsuite/split_x86_64.sh: Likewise.
* testsuite/ver_test_pr16504.sh: Likewise.
intl/
* configure: Regenerate.
ld/
* testsuite/ld-elfvers/vers.exp (test_ar): Replace egrep with grep.
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Clang generates a warning if there is a variable that is set but not used
otherwise ("-Wunused-but-set-variable"). On the default configuration, it
causes a build failure (unless "--disable-werror" is specified).
Because the cause of this error is in the Bison-generated code
($(srcdir)/gold/yyscript.y -> $(builddir)/gold/yyscript.c),
this commit suppresses this warning ("-Wunused-but-set-variable") by placing
DIAGNOSTIC_IGNORE_UNUSED_BUT_SET_VARIABLE macro at the end of user
prologue on yyscript.y.
* yyscript.y: Suppress -Wunused-but-set-variable warning on
the Bison-generated code.
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We were attempting to set a BSS style section contents.
PR 29542
* powerpc.cc (Output_data_plt_powerpc::do_write): Don't set .plt,
.iplt or .lplt section contents when position independent.
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Some components of GNU Binutils will pass "-Wstack-usage=262144" when
"GCC >= 5.0" is detected. However, Clang does not support "-Wstack-usage",
despite that related configuration part in bfd/warning.m4 handles the latest
Clang (15.0.0 as of this writing) as "GCC >= 5.0".
The option "-Wstack-usage" was ignored when the first version of Clang is
released but even this "ignoring" behavior is removed before Clang 4.0.0.
So, if we give Clang "-Wstack-usage=262144", it generates a warning, making
the build failure.
This commit checks "__clang__" macro to prevent adding the option if the
compiler is identified as Clang.
bfd/ChangeLog:
* warning.m4: Stop appending "-Wstack-usage=262144" option when
compiled with Clang.
* configure: Regenerate.
binutils/ChangeLog:
* configure: Regenerate.
gas/ChangeLog:
* configure: Regenerate.
gold/ChangeLog:
* configure: Regenerate.
gprof/ChangeLog:
* configure: Regenerate.
ld/ChangeLog:
* configure: Regenerate.
opcodes/ChangeLog:
* configure: Regenerate.
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Prior to the inline plt call support (commit 08be322439), the only
local syms with plt entries were local ifunc symbols. There shouldn't
be stubs for other local symbols so don't look for them. The patch
also fixes minor bugs in get_reference_flags; Many relocs are valid
only for ppc64 and a couple only for ppc32.
PR 29462
* powerpc.cc (Target_powerpc::Relocate::relocate): Rename
use_plt_offset to pltcal_to_direct, invert logic. For relocs
not used with inline plt sequences against local symbols, only
look for stubs when the symbol is an ifunc.
(Target_powerpc::Scan::get_reference_flags): Correct reloc
handling for relocs not valid for both 32-bit and 64-bit.
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Following the same format as the implementation in ld:
9e2bb0cb5e74aed4158f08495534922d7108f928
Generate a .note.package FDO package metadata ELF note, following
the spec: https://systemd.io/ELF_PACKAGE_METADATA/
If the jansson library is available at build time (and it is explicitly
enabled), link ld to it, and use it to validate that the input is
correct JSON, to avoid writing garbage to the file. The
configure option --enable-jansson has to be used to explicitly enable
it (error out when not found). This allows bootstrappers (or others who
are not interested) to seamlessly skip it without issues.
elfcpp/
* elfcpp.h: Add FDO_PACKAGING_METADATA note type.
gold/
* Makefile.am: Add jansson flags and libraries.
* configure.ac: Check for jansson library.
* layout.cc (Layout::create_notes): Call create_package_metadata().
(Layout::create_package_metadata): New function.
* layout.h (Layout::create_package_metadata): New function.
(Layout::package_metadata_note_): New data member.
* options.h (class General_options): Add --package-metadata option.
* testsuite/Makefile.am (object_unittest): Add jansson libraries.
(binary_unittest): Likewise.
(leb128_unittest): Likewise.
(overflow_unittest): Likewise.
(package_metadata_test): New test.
* testsuite/package_metadata_main.c: New test source.
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PR 23765
* fileread.cc (File_read::do_read): Check start parameter before
computing number of bytes to read.
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* int_encoding.cc (get_length_as_unsigned_LEB_128): Remove
current_length variable.
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pr17704a_test.s is a x86_64 assembly file, but it invokes IA32 exit
syscall with "int 0x80". This causes a segfault on kernels with
CONFIG_IA32_EMULATION disabled.
gold/
* testsuite/pr17704a_test.s (_start): Invoke x86_64 exit syscall
instead of its IA32 counterpart.
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The gold subdir doesn't actually have a manual, so this hack doesn't
do anything. Plus the automake cygnus option was removed years ago
by Simon in d0ac1c44885daf68f631befa37e ("Bump to autoconf 2.69 and
automake 1.15.1"). So delete it here.
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sub-directories
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Regenerate Makefile.in files with the unmodified automake 1.15.1 to
remove
runstatedir = @runstatedir@
bfd/
* Makefile.in: Regenerate.
binutils/
* Makefile.in: Regenerate.
gas/
* Makefile.in: Regenerate.
gold/
* Makefile.in: Regenerate.
* testsuite/Makefile.in: Likewise.
gprof/
* Makefile.in: Regenerate.
ld/
* Makefile.in: Regenerate.
opcodes/
* Makefile.in: Regenerate.
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Regenerate configure files with the unmodified autoconf 2.69 to remove
--runstatedir=DIR modifiable per-process data [LOCALSTATEDIR/run]
bfd/
* configure: Regenerate.
binutils/
* configure: Regenerate.
gas/
* configure: Regenerate.
gold/
* configure: Regenerate.
gprof/
* configure: Regenerate.
ld/
* configure: Regenerate.
opcodes/
* configure: Regenerate.
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gold/testsuite/icf_test.cc:32:5: error: infinite recursion detected [-Werror=infinite-recursion]
32 | int kept_func()
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* testsuite/icf_test.cc: Avoid infinite recursion error.
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The result of running etc/update-copyright.py --this-year, fixing all
the files whose mode is changed by the script, plus a build with
--enable-maintainer-mode --enable-cgen-maint=yes, then checking
out */po/*.pot which we don't update frequently.
The copy of cgen was with commit d1dd5fcc38ead reverted as that commit
breaks building of bfp opcodes files.
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Gold version of commit 7aba54da42.
elfcpp/
* powerpc.h (R_PPC64_REL24_P9NOTOC): Define.
gold/
* powerpc.cc (Target_powerpc::maybe_skip_tls_get_addr_call,
is_branch_reloc, max_branch_delta): Handle R_PPC64_REL24_P9NOTOC.
(Target_powerpc::Branch_info::make_stub): Likewise.
(struct Plt_stub_ent): Add p9notoc_, p9off_, tsize_.
(struct Branch_stub_ent): Add p9notoc_, p9off_.
(Stub_table::add_plt_call_entry): Handle R_PPC64_REL24_P9NOTOC.
(Stub_table::add_long_branch_entry): Likewise.
(Stub_table::add_eh_frame): Likewise.
(Stub_table::plt_call_size): Return aligned size. Adjust callers.
Handle p9notoc_ sizing.
(Stub_table::do_write): Write out p9notoc_ stubs.
(Target_powerpc::Scan::get_reference_flags, local, global):
Handle R_PPC64_REL24_P9NOTOC.
(Target_powerpc::Relocate::relocate): Likewise.
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The fixes gold failures to handle inline PLT sequences properly.
PowerPC gold was always turning these back into direct calls due to
gsym->use_plt_offset() returning false. This is fixed for dynamic
linking by correcting get_reference_flags, and for static linking by
overriding use_plt_offset() in relocate(). The rest of the patch
revolves around needing to create PLT entries for inline PLT calls
when statically linking (for gcc -mlongcall). The lplt section
handled that for local symbols, now it does globals too.
* powerpc.cc (Target_powerpc::plt_off): Return proper section
for static link.
(Target_powerpc::symval_for_branch): Make public.
(Target_powerpc::make_lplt_section): Add Symbol_table* param.
Adjust all calls.
(Target_powerpc::make_local_plt_entry): Likewise.
(Target_powerpc::make_local_plt_entry): New variant for global syms.
(Powerpc_relobj::do_relocate_sections): Don't write lplt contents.
(Output_data_plt_powerpc::do_write): Write lplt contents here.
(Output_data_plt_powerpc::Output_data_plt_powerpc): Save
symbol table pointer. Adjust all uses.
(Output_data_plt_powerpc::add_entry): Add stash parameter. Don't
do dynamic reloc handling when no reloc section. Save symbol
for local plt entries.
(Output_data_plt_powerpc::add_local_entry): Save symbol.
(Output_data_plt_powerpc::Local_plt_ent): New class.
(Output_data_plt_powerpc::sym_ents_): New vector.
(Target_powerpc::Scan::get_reference_flags): Return
FUNCTION_CALL|RELATIVE_REF for inline plt relocs.
(Target_powerpc::Scan::global): Make entries in lplt for inline
plt call relocation symbols.
(Target_powerpc::Relocate::relocate): Rename has_plt_offset to
use_plt_offset. Set use_plt_offset for inline plt relocs.
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https://sourceware.org/bugzilla/ everywhere
bfd/
* configure.ac (ACX_BUGURL): Set to https://sourceware.org/bugzilla/
* po/Make-in (msgid-bugs-address): Likewise.
* README: Report bugs to the above.
* configure: Regenerate.
binutils/
* po/Make-in (msgid-bugs-address): Update.
gas/
* README: Update bug address. Delete mention of gcc.
* po/Make-in: Update bug address.
gold/
* po/Make-in: Update bug address.
gprof/
* po/Make-in: Update bug address.
ld/
* po/Make-in: Update bug address.
opcodes/
* po/Make-in: Update bug address.
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Current mainline gcc.
common_test_1.c: In function 'main':
common_test_1.c:56:14: error: comparison between two arrays [-Werror=array-compare]
56 | assert (c5 > c4);
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common_test_1.c:56:14: note: use '&c5[0] > &c4[0]' to compare the addresses
* testsuite/common_test_1.c: Avoid -Waddress warnings.
* testsuite/common_test_1_v1.c: Likewise.
* testsuite/common_test_1_v2.c: Likewise.
* testsuite/script_test_2.cc: Likewise.
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Place the .note.gnu.property section before all other note sections to
avoid being placed between other note sections with different alignments.
PR gold/28494
* layout.cc (Layout::create_note): Set order to ORDER_PROPERTY_NOTE
for the .note.gnu.property section.
* layout.h (Output_section_order): Add ORDER_PROPERTY_NOTE.
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PR 28417
* incremental.cc (Sized_relobj_incr::do_section_name): Avoid
std:string undefined behaviour.
* options.h (Search_directory::Search_directory): Likewise.
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My previous PR27625 patch had a problem or two. For one, the error
"__tls_get_addr call lacks marker reloc" on processing some calls
before hitting a call without markers typically isn't seen. Instead a
gold assertion fails. Either way it would be a hard error, which
triggers on a file contained in libphobos.a when running the gcc
testsuite. A warning isn't even appropriate since the call involved
is one built by hand without any of the arg setup relocations that
might result in linker optimisation.
So this patch reverts most of commit 0af4fcc25dd5, instead entirely
ignoring the problem of mis-optimising old-style __tls_get_addr calls
without marker relocs. We can't handle them gracefully without
another pass over relocations before decisions are made about GOT
entries in Scan::global or Scan::local. That seems too costly, just
to link object files from 2009. What's more, there doesn't seem to be
any way to allow the libphobos explicit __tls_get_addr call, but not
old TLS sequences without marker relocs. Examining instructions
before the __tls_get_addr call is out of the question: program flow
might reach the call via a branch. Putting an R_PPC64_TLSGD marker
with zero sym on the call might be a solution, but current linkers
will then merrily optimise away the call!
PR gold/27625
* powerpc.cc (Powerpc_relobj): Delete no_tls_marker_, tls_marker_,
and tls_opt_error_ variables and accessors. Remove all uses.
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We can't get at section->address() until everything is laid out, so
trying to generalise the offset calculation rather than using a value
of 0x8000 (the old object->toc_base_offset()) was bound to fail.
got->g_o_t() is a little better than a hard-coded 0x8000.
* powerpc.cc (Target_powerpc::Scan::local, global): Don't use
toc_pointer() here.
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Split .got into two piece, one with the header and entries for small
model got entries, the other with entries for medium/large model got
entries. The idea is to better support mixed pcrel/non-pcrel code
where non-pcrel small-model .toc entries need to be within 32k of the
toc pointer.
* target.h (Target::tls_offset_for_local): Add got param.
(Target::tls_offset_for_global): Likewise.
(Target::do_tls_offset_for_local, do_tls_offset_for_global): Likewise.
* output.h (Output_data_got::Got_entry::write): Add got param.
* output.cc (Output_data_got::Got_entry::write): Likewise, pass to
tls_offset_for_local/global calls.
(Output_data_got::do_write): Adjust to suit.
* s390.cc (Target_s390::do_tls_offset_for_local): Likewise.
(Target_s390::do_tls_offset_for_global): Likewise.
* powerpc.cc (enum Got_type): Extend with small types, move from
class Target_powerpc.
(Target_powerpc::biggot_): New.
(Traget_powerpc::do_tls_offset_for_local, do_tls_offset_for_global,
got_size, got_section, got_base_offset): Handle biggot_.
(Target_powerpc::do_define_standard_symbols): Adjust.
(Target_powerpc::make_plt_section, do_finalize_sections): Likewise.
(Output_data_got_powerpc::Output_data_got_powerpc): Only make
64-bit header for small got section.
(Output_data_got_powerpc::g_o_t): Only return a result for small
got section.
(Output_data_got_powerpc::write): Only write small got section
header.
(Target_powerpc::Scan::local, global): Select small/big Got_type
and section to suit reloc.
(Target_powerpc::Relocate::relocate): Similarly.
(Sort_toc_sections): Rewrite.
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Code in powerpc.cc is pretending to support a per-object toc pointer
value, but powerpc gold has no real support for multi-toc. This patch
removes the pretense, tidying quite a lot in preparation for a
followup patch. If multi-toc is ever to be supported, don't revert
this patch but start by adding object parameter to toc_pointer() and
an object to Branch_stub_key.
* powerpc.cc (Powerpc_relobj::toc_base_offset): Delete.
(Target_powerpc::toc_pointer): New function. Use throughout.
(Target_powerpc::got_base_offset): New function. Use throughout..
(Output_data_got_powerpc::got_base_offset): ..in place of
this. Delete.
(Output_data_got_powerpc::Output_data_got_powerpc): Init
header_index_ to -1u for 64-bit, and make header here.
(Output_data_got_powerpc::set_final_data_size, reserve_ent): Don't
make 64-bit header here.
(Output_data_got_powerpc::g_o_t): Return toc pointer offset in
section for 64-bit. Use throughout.
(Stub_table): Remove toc_base_off_ from Branch_stub_key, and
object param on add_long_branch_entry and find_long_branch_entry.
Adjust all uses.
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Pass addends to all the GOT handling functions, plus remove some
extraneous asserts.
PR 28192
* powerpc.cc (Output_data_got_powerpc): Add addend parameter to
all methods creating got entries.
(Target_powerpc::Scan::local): Pass reloc addend to got handling
functions, and when creating dynamic got relocations.
(Target_powerpc::Scan::global): Likewise.
(Target_powerpc::Relocate::relocate): Likewise. Remove extraneous
assertions.
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This takes care of writing out GOT entries with addends. The local
symbol case was already largely handled, except for passing the addend
to tls_offset_for_local which might need the addend in a
local_got_offset call. That's needed also in tls_offset_for_global.
I'm assuming here that GOT entries for function symbols won't ever
have addends, and in particular that a GOT entry referencing PLT call
stub code won't want an offset into the code.
PR 28192
* output.cc (Output_data_got::Got_entry::write): Include addend
in global symbol value. Pass addend to tls_offset_for_*.
* powerpc.cc (Target_powerpc::do_tls_offset_for_local): Handle addend.
(Target_powerpc::do_tls_offset_for_global): Likewise.
* s390.cc (Target_s390::do_tls_offset_for_local): Likewise.
(Target_s390::do_tls_offset_for_global): Likewise.
* target.h (Target::tls_offset_for_local): Add addend param.
(Target::tls_offset_for_global): Likewise.
(Target::do_tls_offset_for_local): Likewise.
(Target::do_tls_offset_for_global): Likewise.
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This patch makes all the Output_data_got methods that create new
entries accept an optional addend.
PR 28192
* output.h (Output_data_got::add_global): Add optional addend
parameter. Update comment. Delete overload without addend.
(Output_data_got::add_global_plt): Likewise.
(Output_data_got::add_global_tls): Likewise.
(Output_data_got::add_global_with_rel): Likewise.
(Output_data_got::add_global_pair_with_rel): Likewise.
(Output_data_got::add_local_plt): Likewise.
(Output_data_got::add_local_tls): Likewise.
(Output_data_got::add_local_tls_pair): Likewise.
(Output_data_got::reserve_local): Likewise.
(Output_data_got::reserve_global): Likewise.
(Output_data_got::Got_entry): Include addend in global sym
constructor. Delete local sym constructor without addend.
* output.cc (Output_data_got::add_global): Add addend param,
pass to got handling methods.
(Output_data_got::add_global_plt): Likewise.
(Output_data_got::add_global_with_rel): Likewise.
(Output_data_got::add_global_pair_with_rel): Likewise.
(Output_data_got::add_local_plt): Likewise.
(Output_data_got::add_local_tls_pair): Likewise.
(Output_data_got::reserve_local): Likewise.
(Output_data_got::reserve_global): Likewise.
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Some Output_data_got methods already have support for addends, but
were implemented as separate methods. This removes unnecessary code
duplication.
Relobj::local_has_got_offset and others there get a similar treatment.
Comments are removed since it should be obvious without a comment, and
the existing comments are not precisely what the code does. For
example, a local_has_got_offset call without an addend does not return
whether the local symbol has *a* GOT offset of type GOT_TYPE, it
returns whether there is a GOT entry of type GOT_TYPE for the symbol
with addend of zero.
PR 28192
* output.h (Output_data_got::add_local): Make addend optional.
(Output_data_got::add_local_with_rel): Likewise.
(Output_data_got::add_local_pair_with_rel): Likewise.
* output.cc (Output_data_got::add_local): Delete overload
without addend.
(Output_data_got::add_local_with_rel): Likewise.
(Output_data_got::add_local_pair_with_rel): Likewise.
* object.h (Relobj::local_has_got_offset): Make addend optional.
Delete overload without addend later. Update comment.
(Relobj::local_got_offset): Likewise.
(Relobj::set_local_got_offset): Likewise.
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This patch removes the addend from Local_got_entry_key, which is
unnecessary now that Got_offset_list has an addend. Note that it
might be advantageous to keep the addend in Local_got_entry_key when
linking objects containing a large number of section_sym+addend@got
relocations. I opted to save some memory by removing the field but
left the class there in case we might need to restore {sym,addend}
lookup. That's also why this change is split out from the
Got_offset_list change.
PR 28192
* object.h (Local_got_entry_key): Delete addend_ field.
Adjust constructor and methods to suit.
* object.cc (Sized_relobj::do_for_all_local_got_entries):
Update key.
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This is the first in a series of patches aimed at supporting GOT
entries against symbol plus addend generally for PowerPC64 rather than
just section symbol plus addend as gold has currently.
This patch adds an addend field to Got_offset_list, so that both local
and global symbols can have GOT entries with addend.
PR 28192
* object.h (Got_offset_list): Add addend_ field, init in both
constructors. Adjust all accessors to suit.
(Sized_relobj::do_local_has_got_offset): Adjust to suit.
(Sized_relobj::do_local_got_offset): Likewise.
(Sized_relobj::do_set_local_got_offset): Likewise.
* symtab.h (Symbol::has_got_offset): Add optional addend param.
(Symbol::got_offset, Symbol::set_got_offset): Likewise.
* incremental.cc (Local_got_offset_visitor::visit): Add unused
uint64_t parameter with FIXME.
(Global_got_offset_visitor::visit): Add unused uint64_t parameter.
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to match GNU ld.
gold/
* archive.cc (Library_base::should_include_member): Don't handle
--export-dynamic-symbol.
* symtab.cc (Symbol_table::do_add_undefined_symbols_from_command_line):
Likewise.
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Fixes a silly mistake in calculating the address of -Os out-of-line
register save/restore function copies. Copies of these linker defined
functions are added to stub sections when the original (in
target->savres_section) can't be reached.
* powerpc.cc (Target_powerpc::Relocate::relocate): Correct address
calculation of out-of-line save/restore function copies.
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As discussed previously, a.out support is now quite deprecated, and in
some cases removed, in both Binutils itself and NetBSD, so this legacy
default makes little sense. `netbsdelf*` and `netbsdaout*` still work
allowing the user to be explicit about there choice. Additionally, the
configure script warns about the change as Nick Clifton requested.
One possible concern was the status of NetBSD on NS32K, where only a.out
was supported. But per [1] NetBSD has removed support, and if it were to
come back, it would be with ELF. The binutils implementation is
therefore marked obsolete, per the instructions in the last message.
With that patch and this one applied, I have confirmed the following:
--target=i686-unknown-netbsd
--target=i686-unknown-netbsdelf
builds completely
--target=i686-unknown-netbsdaout
properly fails because target is deprecated.
--target=vax-unknown-netbsdaout builds completely except for gas, where
the target is deprecated.
[1]: https://mail-index.netbsd.org/tech-toolchain/2021/07/19/msg004025.html
---
bfd/config.bfd | 43 +++++++++++++--------
bfd/configure.ac | 5 +--
binutils/testsuite/binutils-all/nm.exp | 2 +-
binutils/testsuite/lib/binutils-common.exp | 7 +---
config/picflag.m4 | 4 +-
gas/configure.tgt | 9 +++--
gas/testsuite/gas/arm/blx-bl-convert.d | 2 +-
gas/testsuite/gas/arm/blx-local-thumb.d | 2 +-
gas/testsuite/gas/sh/basic.exp | 2 +-
gdb/configure.host | 34 +++++++----------
gdb/configure.tgt | 2 +-
gdb/testsuite/gdb.asm/asm-source.exp | 6 +--
intl/configure | 2 +-
ld/configure.tgt | 44 +++++++++++-----------
ld/testsuite/ld-arm/arm-elf.exp | 4 +-
ld/testsuite/ld-elf/elf.exp | 2 +-
ld/testsuite/ld-elf/shared.exp | 4 +-
libiberty/configure | 4 +-
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https://en.cppreference.com/w/cpp/types/NULL says NULL might be
defined as nullptr.
https://en.cppreference.com/w/cpp/language/reinterpret_cast says
reinterpret_cast can't be used on nullptr.
PR gold/28106
PR gold/27815
* gc.h (gc_process_relocs): Use static_cast in Section_id constructor.
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PR gold/28098
* reloc.cc (Track_relocs::advance): Skip R_*_NONE relocation entries
with r_sym of zero without counting in advance method.
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2.37 branch.
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Don't use nullptr, it requires -std=c++11 on versions of gcc prior to
6.1. It would be possible to arrange to pass -std=c++11 automatically
when required (top level configure does that for gcc builds) but that
seems overkill and since we're not up-to-date on the top level config
files would mean someone would need to sync those over.
PR gold/27815
* gc.h (gc_process_relocs): Use cast in Section_id constructor.
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