Age | Commit message (Collapse) | Author | Files | Lines |
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* intl: Remove directory. Replaced with out-of-tree GNU gettext.
* .gitignore: Add '/gettext*'.
* configure.ac (host_libs): Replace intl with gettext. (hbaseargs, bbaseargs, baseargs): Split baseargs into {h,b}baseargs. (skip_barg): New flag. Skips appending current flag to bbaseargs. <library exemptions>: Exempt --with-libintl-{type,prefix} from target and build machine argument passing.
* configure: Regenerate.
* Makefile.def (host_modules): Replace intl module with gettext module. (configure-ld): Depend on configure-gettext.
* Makefile.in: Regenerate.
* src-release.sh: Remove references to the intl/ directory.
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Add check for libdebuginfod 0.188 in AC_DEBUGINFOD and if found
define macro HAVE_LIBDEBUGINFOD_FIND_SECTION.
This macro indicates support for downloading ELF sections from
debuginfod servers.
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[Merge from GCC commit 4d9bc81a5d8d884dee7a7781fa4c1577a6c9681a.]
The GCC_ENABLE_PLUGINS configure logic for detecting whether -rdynamic
is necessary and supported uses an appropriate objdump for $host
binaries (running on $build) in cases where $host is $build or
$target.
However, it is missing such logic in the case where $host is neither
$build nor $target, resulting in the compilers not being linked with
-rdynamic and plugins not being usable with such a compiler. In fact
$ac_cv_prog_OBJDUMP, as used when $build = $host, is always an objdump
for $host binaries that runs on $build; that is, it's appropriate to
use in this case as well.
Tested in such a configuration that it does result in cc1 being linked
with -rdynamic as expected. Also bootstrapped with no regressions for
x86_64-pc-linux-gnu.
config/
* gcc-plugin.m4 (GCC_ENABLE_PLUGINS): Use
export_sym_check="$ac_cv_prog_OBJDUMP -T" also when host is not
build or target.
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gcc's build system has BOOT_CFLAGS and various STAGE<N>_C{,XX}FLAGS
variables. BOOT_CXXFLAGS is not handled anywhere.
config/
* mh-mingw: Drop assignment of unused BOOT_CXXFLAGS variable.
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This is similar to what was done in
eea4e2ff0a3f5e7f37df204c070cc5d9ef339e6e (where it was added to
STAGE*_CXXFLAGS), but this adds the flag to the CXXFLAGS and
BOOT_CXXFLAGS variables too (as it's already added to CFLAGS and
BOOT_CFLAGS).
2021-04-09 Martin Storsjö <martin@martin.st>
config/
* mh-mingw: Set __USE_MINGW_ACCESS in missed C++ flags
variables
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This makes the host_shared value available to host makefile
fragments.
It uses this to adjust Darwin's mdynamic-no-pic in the case that
shared host resources are required.
Signed-off-by: Iain Sandoe <iain@sandoe.co.uk>
config/
* mh-darwin: Require a non-shared host configuration to
enable mdynamic-no-pic where that is supported.
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There were two uses for the Darwin host config fragment:
The first is to arrange for targets that support mdynamic-no-pic
to be built with that enabled (since it makes a significant
difference to the compiler performance). We can be more specific
in the application of this, since it only applies to 32b hosts
plus powerpc64-darwin9.
The second was to work around a tool bug where -fno-PIE was not
propagated to the link stage. This second use is redundant,
since the buggy toolchain cannot bootstrap current GCC sources
anyway.
This makes the host fragment more specific and reduces the number
of toolchains for which it is included which reduces clutter in
configure lines.
Signed-off-by: Iain Sandoe <iain@sandoe.co.uk>
config/
* mh-darwin: Make this specific to handling the
mdynamic-no-pic case.
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This patch adds the new thread model `mcf`, which implements mutexes
and condition variables with the mcfgthread library.
Source code for mcfgthread is available at <https://github.com/lhmouse/mcfgthread>.
config/
* gthr.m4 (GCC_AC_THREAD_HEADER): Add new case for `mcf` thread
model
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So the problem here is that now the lto-plugin requires NM that works
with LTO to work so we need to pass down NM just like we do for ranlib
and ar.
config/
* bootstrap-lto-lean.mk: Handle NM like RANLIB AND AR.
* bootstrap-lto.mk: Likewise.
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* configure.ac: Drop GCC configury for hpux10
* configure: Likewise.
config/
* mh-pa-hpux10: Drop.
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We now use a C++ compiler so that we need to process
CXXFLAGS as well as CFLAGS in the gcc-plugin config
fragment.
Signed-off-by: Iain Sandoe <iain@sandoe.co.uk>
config/
* gcc-plugin.m4: Save and process CXXFLAGS.
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$ac_cv_prog_OBJDUMP contains the --host OBJDUMP that
libtool has inferred. Current config/gcc-plugin.m4 does
not respect the user's choice for OBJDUMP.
config/
* gcc-plugin.m4: Use libtool's $ac_cv_prog_OBJDUMP.
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and regen libiberty/configure
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libsframe is a library that allows you to:
- decode a .sframe section
- probe and inspect a .sframe section
- encode (and eventually write) a .sframe section.
This library is currently being used by the linker, readelf, objdump.
This library will also be used by the SFrame unwinder which is still
to be upstream'd.
The file include/sframe-api.h defines the user-facing APIs for decoding,
encoding and probing .sframe sections. A set of error codes together
with their error message strings are also defined.
Endian flipping is performed automatically at read and write time, if
cross-endianness is detected.
ChangeLog:
* Makefile.def: Add libsframe as new module with its
dependencies.
* Makefile.in: Regenerated.
* binutils/Makefile.am: Add libsframe.
* binutils/Makefile.in: Regenerated.
* configure: Regenerated
* configure.ac: Add libsframe to host_libs.
* libsframe/Makefile.am: New file.
* libsframe/Makefile.in: New file.
* libsframe/aclocal.m4: New file.
* libsframe/config.h.in: New file.
* libsframe/configure: New file.
* libsframe/configure.ac: New file.
* libsframe/sframe-error.c: New file.
* libsframe/sframe-impl.h: New file.
* libsframe/sframe.c: New file.
include/ChangeLog:
* sframe-api.h: New file.
testsuite/ChangeLog:
* libsframe/testsuite/Makefile.am: New file.
* libsframe/testsuite/Makefile.in: Regenerated.
* libsframe/testsuite/libsframe.decode/Makefile.am: New
file.
* libsframe/testsuite/libsframe.decode/Makefile.in:
Regenerated.
* libsframe/testsuite/libsframe.decode/decode.exp: New file.
* libsframe/testsuite/libsframe.encode/Makefile.am:
Likewise.
* libsframe/testsuite/libsframe.encode/Makefile.in:
Regenerated.
* libsframe/testsuite/libsframe.encode/encode.exp: New file.
* libsframe/testsuite/libsframe.encode/encode-1.c: Likewise.
* libsframe/testsuite/libsframe.decode/be-flipping.c: Likewise.
* libsframe/testsuite/libsframe.decode/frecnt-1.c: Likewise.
* libsframe/testsuite/libsframe.decode/frecnt-2.c: Likewise.
* libsframe/testsuite/libsframe.decode/DATA-BE: New file.
* libsframe/testsuite/libsframe.decode/DATA1: Likewise.
* libsframe/testsuite/libsframe.decode/DATA2: Likewise.
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gas uses ZSTD_compressStream2 which is only available with libzstd >=
1.4.0, leading to build errors when an older version is installed.
This patch updates the check libzstd presence to check its version is
>= 1.4.0. However, since gas seems to be the only component requiring
such a recent version this may imply that we disable ZSTD support for
all components although some would still benefit from an older
version.
I ran 'autoreconf -f' in all directories containing a configure.ac
file, using vanilla autoconf-2.69 and automake-1.15.1. I noticed
several errors from autoheader in readline, as well as warnings in
intl, but they are unrelated to this patch.
This should fix some of the buildbots.
OK for trunk?
Thanks,
Christophe
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Also copy over config.acx.m4, and regenerate.
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To merge with gcc's copy of configure.ac we need to revert changes to
configure.ac in the following gcc commits:
dc832fb39fc0 2022-08-25
fc259b522c0f 2022-06-25
Then reapply configure.ac changes in binutils from these binutils
commits:
50ad1254d503 2021-01-09
bb368aad297f 2022-03-11
e5f2f7d901ee 2022-07-26
2cac01e3ffff 2022-09-26
Plus copy over gcc's config/ax_cxx_compile_stdcxx.m4, then regenerate
configure.
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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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PR29397 PR29563: Add new configure option --with-zstd which defaults to
auto. If pkgconfig/libzstd.pc is found, define HAVE_ZSTD and support
zstd compressed debug sections for most tools.
* bfd: for addr2line, objdump --dwarf, gdb, etc
* gas: support --compress-debug-sections=zstd
* ld: support ELFCOMPRESS_ZSTD input and --compress-debug-sections=zstd
* objcopy: support ELFCOMPRESS_ZSTD input for
--decompress-debug-sections and --compress-debug-sections=zstd
* gdb: support ELFCOMPRESS_ZSTD input. The bfd change references zstd
symbols, so gdb has to link against -lzstd in this patch.
If zstd is not supported, ELFCOMPRESS_ZSTD input triggers an error. We
can avoid HAVE_ZSTD if binutils-gdb imports zstd/ like zlib/, but this
is too heavyweight, so don't do it for now.
```
% ld/ld-new a.o
ld/ld-new: a.o: section .debug_abbrev is compressed with zstd, but BFD is not built with zstd support
...
% ld/ld-new a.o --compress-debug-sections=zstd
ld/ld-new: --compress-debug-sections=zstd: ld is not built with zstd support
% binutils/objcopy --compress-debug-sections=zstd a.o b.o
binutils/objcopy: --compress-debug-sections=zstd: binutils is not built with zstd support
% binutils/objcopy b.o --decompress-debug-sections
binutils/objcopy: zstd.o: section .debug_abbrev is compressed with zstd, but BFD is not built with zstd support
...
```
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2022-04-28 Christophe Lyon <christophe.lyon@arm.com>
config/
* dfp.m4 (enable_decimal_float): Enable BID for AArch64.
libdecnumber/
* configure: Regenerate.
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Move the 64-bit bfd logic out of bfd/configure.ac and into bfd64.m4
under config so it can be shared between all the other subdirs.
This replaces want64 with enable_64_bit_bfd which was already being
declared, but not used directly.
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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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detection with musl libc, since it does not define these internal symbols.
This allows binutils to build with musl gettext rather than falling
back to the bundled version.
[0] https://git.savannah.gnu.org/gitweb/?p=gettext.git;a=commit;h=b67399b4
2021-06-13 Michael Forney <mforney@mforney.org>
config/ChangeLog:
* gettext.m4 (AM_GNU_GETTEXT): Skip checks for the internal
symbols _nl_msg_cat_cntr, _nl_domain_bindings, and
_nl_expand_alias, if __GNU_GETTEXT_SUPPORTED_REVISION is defined.
Backport of gettext serial 68 patch.
intl/ChangeLog:
* configure: Regenerate.
---
Thi
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Nothing in gcc or binutils or gdb or anything anywhere uses these.
config/
* acinclude.m4 (CYG_AC_PATH_SIM, CYG_AC_PATH_DEVO): Delete.
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Check if host supports multi-byte NOPs before enabling CET on host.
config/
PR binutils/27397
* cet.m4 (GCC_CET_HOST_FLAGS): Check if host supports multi-byte
NOPs.
libiberty/
PR binutils/27397
* configure: Regenerated.
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Any code using AC_DEBUGINFOD from this dir is using -I../config when
running aclocal, so an explicit include on pkg.m4 is unnecessary:
aclocal will find the pkg.m4 in this dir just as easily. This is
seen in the only two dirs that use AC_DEBUGINFOD (binutils & gdb)
as their aclocal.m4 already has m4_include on config m4 files.
The include as written only works if aclocal is run on a dir that is
at the same level of config/. Any other depth will fail.
./
|-- config/
|-- binutils/ # works
|-- gdb/ # works
`-- sim/ # works
`-- <port>/ # fails
It fails even if AC_DEBUGINFOD itself isn't used:
sim/bfin/ $ aclocal -I../../config
aclocal-1.15: error: ../../config/debuginfod.m4:8: file '../config/pkg.m4' does not exist
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Compiling binutils using -flto=jobserver with GCC 11 leads to
libtool: link: gcc -W -Wall -Wstrict-prototypes -Wmissing-prototypes -Wshadow -Wstack-usage=262144 -Wwrite-strings -I../../gas/../zlib -g -O2 -fprofile-generate -flto=jobserver -o as-new app.o as.o atof-generic.o compress-debug.o cond.o depend.o dwarf2dbg.o dw2gencfi.o ecoff.o ehopt.o expr.o flonum-copy.o flonum-konst.o flonum-mult.o frags.o hash.o input-file.o input-scrub.o listing.o literal.o macro.o messages.o output-file.o read.o remap.o sb.o stabs.o subsegs.o symbols.o write.o config/tc-i386.o config/obj-elf.o config/atof-ieee.o ../opcodes/.libs/libopcodes.a ../bfd/.libs/libbfd.a -L/tmp/binutils-gdb/objdir/zlib -lz ../libiberty/libiberty.a -ldl
lto-wrapper: warning: jobserver is not available: '--jobserver-auth=' is not present in 'MAKEFLAGS'
since the '+' is missing on the recipe line in Makefiles generated by
automake. Add the '+' to the recipe line by hand.
bfd/
PR binutils/26792
* configure.ac: Use GNU_MAKE_JOBSERVER.
* aclocal.m4: Regenerated.
* configure: Likewise.
binutils/
PR binutils/26792
* configure.ac: Use GNU_MAKE_JOBSERVER.
* aclocal.m4: Regenerated.
* configure: Likewise.
config/
PR binutils/26792
* jobserver.m4: New file.
gas/
PR binutils/26792
* configure.ac: Use GNU_MAKE_JOBSERVER.
* aclocal.m4: Regenerated.
* configure: Likewise.
gprof/
PR binutils/26792
* configure.ac: Use GNU_MAKE_JOBSERVER.
* aclocal.m4: Regenerated.
* configure: Likewise.
ld/
PR binutils/26792
* configure.ac: Use GNU_MAKE_JOBSERVER.
* aclocal.m4: Regenerated.
* configure: Likewise.
libctf/
PR binutils/26792
* configure.ac: Use GNU_MAKE_JOBSERVER.
* aclocal.m4: Regenerated.
* configure: Likewise.
opcodes/
PR binutils/26792
* configure.ac: Use GNU_MAKE_JOBSERVER.
* aclocal.m4: Regenerated.
* configure: Likewise.
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AR from older binutils doesn't work with --plugin and rc:
[hjl@gnu-cfl-2 bin]$ touch foo.c
[hjl@gnu-cfl-2 bin]$ ar --plugin /usr/libexec/gcc/x86_64-redhat-linux/10/liblto_plugin.so rc libfoo.a foo.c
[hjl@gnu-cfl-2 bin]$ ./ar --plugin /usr/libexec/gcc/x86_64-redhat-linux/10/liblto_plugin.so rc libfoo.a foo.c
./ar: no operation specified
[hjl@gnu-cfl-2 bin]$ ./ar --version
GNU ar (Linux/GNU Binutils) 2.29.51.0.1.20180112
Copyright (C) 2018 Free Software Foundation, Inc.
This program is free software; you may redistribute it under the terms of
the GNU General Public License version 3 or (at your option) any later version.
This program has absolutely no warranty.
[hjl@gnu-cfl-2 bin]$
Check if AR works with --plugin and rc before passing --plugin to AR and
RANLIB.
PR ld/27173
* configure: Regenerated.
* libtool.m4 (_LT_CMD_OLD_ARCHIVE): Check if AR works with
--plugin and rc before enabling --plugin.
config/
PR ld/27173
* gcc-plugin.m4 (GCC_PLUGIN_OPTION): Check if AR works with
--plugin and rc before enabling --plugin.
libiberty/
PR ld/27173
* configure: Regenerated.
zlib/
PR ld/27173
* configure: Regenerated.
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Detect GCC LTO plugin. Pass --plugin to AR and RANLIB to support LTO
build.
* Makefile.tpl (AR): Add @AR_PLUGIN_OPTION@
(RANLIB): Add @RANLIB_PLUGIN_OPTION@.
* configure.ac: Include config/gcc-plugin.m4.
AC_SUBST AR_PLUGIN_OPTION and RANLIB_PLUGIN_OPTION.
* libtool.m4 (_LT_CMD_OLD_ARCHIVE): Pass --plugin to AR and
RANLIB if possible.
* Makefile.in: Regenerated.
* configure: Likewise.
config/
* gcc-plugin.m4 (GCC_PLUGIN_OPTION): New.
libiberty/
* Makefile.in (AR): Add @AR_PLUGIN_OPTION@
(RANLIB): Add @RANLIB_PLUGIN_OPTION@.
(configure_deps): Depend on ../config/gcc-plugin.m4.
* aclocal.m4: Include ../config/gcc-plugin.m4.
* configure.ac: AC_SUBST AR_PLUGIN_OPTION and
RANLIB_PLUGIN_OPTION.
* configure: Regenerated.
zlib/
* configure: Regenerated.
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PR 27116
bfd/
* xcofflink.c: Correct spelling in comments.
binutils/
* coffgrok.c (do_type): Correct spelling of auxiliary in errors.
* doc/binutils.texi: Correct grammar.
* readelf.c (process_version_sections): Correct spelling of auxiliary
in warning.
* testsuite/binutils-all/vax/objdump.exp: Comment grammar fix.
config/
* override.m4: Correct comment grammar.
gas/
* config/tc-i386.c: Correct comment spelling.
* config/tc-riscv.c: Likewise.
* config/tc-s390.c: Correct comment grammar.
* doc/c-i386.texi: Correct spelling.
* doc/c-s390.texi: Correct grammar.
gold/
* tilegx.cc: Correct comment spelling.
gprof/
* README: Correct grammar.
* gprof.texi: Likewise.
include/
* coff/internal.h: Correct comment spelling.
* coff/sym.h: Likewise.
* opcode/aarch64.h: Likewise.
ld/
* configure.tgt: Correct comment grammar.
* emultempl/m68hc1xelf.em: Likewise.
* ld.texi: Correct grammar.
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config/
Sync from gcc
2020-07-15 H.J. Lu <hjl.tools@gmail.com>
PR bootstrap/96202
* cet.m4 (GCC_CET_HOST_FLAGS): Don't enable CET without CET
support in stage1 nor for build support.
libiberty/
* configure: Regenerate.
Sync from gcc
2020-09-08 Alan Modra <amodra@gmail.com>
* d-demangle.c: Include limits.h.
(ULONG_MAX, UINT_MAX): Provide fall-back definition.
(dlang_number): Simplify and correct overflow test. Only
write *ret on returning non-NULL. Make "ret" an unsigned long*.
Only succeed for result of [0,UINT_MAX].
(dlang_decode_backref): Simplify and correct overflow test.
Only write *ret on returning non-NULL. Only succeed for
result [1,MAX_LONG].
(dlang_backref): Remove now unnecessary range check.
(dlang_symbol_name_p): Likewise.
(string_need): Take a size_t n arg, and use size_t tem.
(string_append): Use size_t n.
(string_appendn, string_prependn): Take a size_t n arg.
(TEMPLATE_LENGTH_UNKNOWN): Define as -1UL.
(dlang_lname, dlang_parse_template): Take an unsigned long len
arg.
(dlang_symbol_backref, dlang_identifier, dlang_parse_integer),
(dlang_parse_integer, dlang_parse_string),
(dlang_parse_arrayliteral, dlang_parse_assocarray),
(dlang_parse_structlit, dlang_parse_tuple),
(dlang_template_symbol_param, dlang_template_args): Use
unsigned long variables.
* testsuite/d-demangle-expected: Add new tests.
2020-08-04 Iain Buclaw <ibuclaw@gdcproject.org>
* d-demangle.c (dlang_function_args): Handle 'in' and 'in ref'
parameter storage classes.
(dlang_type): Remove identifier type.
* testsuite/d-demangle-expected: Update tests.
2020-08-03 Richard Biener <rguenther@suse.de>
PR lto/96385
* simple-object-elf.c
(simple_object_elf_copy_lto_debug_sections): Localize global
UNDEFs and reuse the prevailing name.
2020-07-10 Ian Lance Taylor <iant@golang.org>
PR demangler/96143
* cp-demangle.c (d_lambda): Don't add substitution candidate.
* testsuite/demangle-expected: Update a few existing test cases
accordingly, and add a new test case.
2020-07-04 Jason Merrill <jason@redhat.com>
* cp-demangle.c (cplus_demangle_operators): Add di, dx, dX.
(d_expression_1): Handle di and dX.
(is_designated_init, d_maybe_print_designated_init): New.
(d_print_comp_inner): Use d_maybe_print_designated_init.
* testsuite/demangle-expected: Add designator tests.
2020-06-25 Nick Clifton <nickc@redhat.com>
* bsearch.c (bsearch): Remove use of register keyword.
* bsearch_r.c (bsearch_r): Likewise.
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GDB currently doesn't build on 32-bit Solaris:
* On Solaris 11.4/x86:
In file included from /usr/include/sys/procfs.h:26,
from /vol/src/gnu/gdb/hg/master/dist/gdb/i386-sol2-nat.c:24:
/usr/include/sys/old_procfs.h:31:2: error: #error "Cannot use procfs in the large file compilation environment"
#error "Cannot use procfs in the large file compilation environment"
^~~~~
* On Solaris 11.3/x86 there are several more instances of this.
The interaction between procfs and large-file support historically has
been a royal mess on Solaris:
* There are two versions of the procfs interface:
** The old ioctl-based /proc, deprecated and not used any longer in
either gdb or binutils.
** The `new' (introduced in Solaris 2.6, 1997) structured /proc.
* There are two headers one can possibly include:
** <procfs.h> which only provides the structured /proc, definining
_STRUCTURED_PROC=1 and then including ...
** <sys/procfs.h> which defaults to _STRUCTURED_PROC=0, the ioctl-based
/proc, but provides structured /proc if _STRUCTURED_PROC == 1.
* procfs and the large-file environment didn't go well together:
** Until Solaris 11.3, <sys/procfs.h> would always #error in 32-bit
compilations when the large-file environment was active
(_FILE_OFFSET_BITS == 64).
** In both Solaris 11.4 and Illumos, this restriction was lifted for
structured /proc.
So one has to be careful always to define _STRUCTURED_PROC=1 when
testing for or using <sys/procfs.h> on Solaris. As the errors above
show, this isn't always the case in binutils-gdb right now.
Also one may need to disable large-file support for 32-bit compilations
on Solaris. config/largefile.m4 meant to do this by wrapping the
AC_SYS_LARGEFILE autoconf macro with appropriate checks, yielding
ACX_LARGEFILE. Unfortunately the macro doesn't always succeed because
it neglects the _STRUCTURED_PROC part.
To make things even worse, since GCC 9 g++ predefines
_FILE_OFFSET_BITS=64 on Solaris. So even if largefile.m4 deciced not to
enable large-file support, this has no effect, breaking the gdb build.
This patch addresses all this as follows:
* All tests for the <sys/procfs.h> header are made with
_STRUCTURED_PROC=1, the definition going into the various config.h
files instead of having to make them (and sometimes failing) in the
affected sources.
* To cope with the g++ predefine of _FILE_OFFSET_BITS=64,
-U_FILE_OFFSET_BITS is added to various *_CPPFLAGS variables. It had
been far easier to have just
#undef _FILE_OFFSET_BITS
in config.h, but unfortunately such a construct in config.in is
commented by config.status irrespective of indentation and whitespace
if large-file support is disabled. I found no way around this and
putting the #undef in several global headers for bfd, binutils, ld,
and gdb seemed way more invasive.
* Last, the applicability check in largefile.m4 was modified only to
disable largefile support if really needed. To do so, it checks if
<sys/procfs.h> compiles with _FILE_OFFSET_BITS=64 defined. If it
doesn't, the disabling only happens if gdb exists in-tree and isn't
disabled, otherwise (building binutils from a tarball), there's no
conflict.
What initially confused me was the check for $plugins here, which
originally caused the disabling not to take place. Since AC_PLUGINGS
does enable plugin support if <dlfcn.h> exists (which it does on
Solaris), the disabling never happened.
I could find no explanation why the linker plugin needs large-file
support but thought it would be enough if gld and GCC's lto-plugin
agreed on the _FILE_OFFSET_BITS value. Unfortunately, that's not
enough: lto-plugin uses the simple-object interface from libiberty,
which includes off_t arguments. So to fully disable large-file
support would mean also disabling it in libiberty and its users: gcc
and libstdc++-v3. This seems highly undesirable, so I decided to
disable the linker plugin instead if large-file support won't work.
The patch allows binutils+gdb to build on i386-pc-solaris2.11 (both
Solaris 11.3 and 11.4, using GCC 9.3.0 which is the worst case due to
predefined _FILE_OFFSET_BITS=64). Also regtested on
amd64-pc-solaris2.11 (again on Solaris 11.3 and 11.4),
x86_64-pc-linux-gnu and i686-pc-linux-gnu.
config:
* largefile.m4 (ACX_LARGEFILE) <sparc-*-solaris*|i?86-*-solaris*>:
Check for <sys/procfs.h> incompatilibity with large-file support
on Solaris.
Only disable large-file support and perhaps plugins if needed.
Set, substitute LARGEFILE_CPPFLAGS if so.
bfd:
* bfd.m4 (BFD_SYS_PROCFS_H): New macro.
(BFD_HAVE_SYS_PROCFS_TYPE): Require BFD_SYS_PROCFS_H.
Don't define _STRUCTURED_PROC.
(BFD_HAVE_SYS_PROCFS_TYPE_MEMBER): Likewise.
* elf.c [HAVE_SYS_PROCFS_H] (_STRUCTURED_PROC): Don't define.
* configure.ac: Use BFD_SYS_PROCFS_H to check for <sys/procfs.h>.
* configure, config.in: Regenerate.
* Makefile.am (AM_CPPFLAGS): Add LARGEFILE_CPPFLAGS.
* Makefile.in, doc/Makefile.in: Regenerate.
binutils:
* Makefile.am (AM_CPPFLAGS): Add LARGEFILE_CPPFLAGS.
* Makefile.in, doc/Makefile.in: Regenerate.
* configure: Regenerate.
gas:
* Makefile.am (AM_CPPFLAGS): Add LARGEFILE_CPPFLAGS.
* Makefile.in, doc/Makefile.in: Regenerate.
* configure: Regenerate.
gdb:
* proc-api.c (_STRUCTURED_PROC): Don't define.
* proc-events.c: Likewise.
* proc-flags.c: Likewise.
* proc-why.c: Likewise.
* procfs.c: Likewise.
* Makefile.in (INTERNAL_CPPFLAGS): Add LARGEFILE_CPPFLAGS.
* configure, config.in: Regenerate.
gdbserver:
* configure, config.in: Regenerate.
gdbsupport:
* Makefile.am (AM_CPPFLAGS): Add LARGEFILE_CPPFLAGS.
* common.m4 (GDB_AC_COMMON): Use BFD_SYS_PROCFS_H to check for
<sys/procfs.h>.
* Makefile.in: Regenerate.
* configure, config.in: Regenerate.
gnulib:
* configure.ac: Run ACX_LARGEFILE before gl_EARLY.
* configure: Regenerate.
gprof:
* Makefile.am (AM_CPPFLAGS): Add LARGEFILE_CPPFLAGS.
* Makefile.in: Regenerate.
* configure: Regenerate.
ld:
* Makefile.am (AM_CPPFLAGS): Add LARGEFILE_CPPFLAGS.
* Makefile.in: Regenerate.
* configure: Regenerate.
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There is no need to check $pkg_cv_[]$1[]_LIBS works if package check
failed.
config/
PR binutils/26301
* pkg.m4 (PKG_CHECK_MODULES): Use AC_TRY_LINK only if
$pkg_failed = no.
binutils/
PR binutils/26301
* configure: Regenerated.
gdb/
PR binutils/26301
* configure: Regenerated.
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It is quite normal to have headers without library on multilib OSes.
Add AC_TRY_LINK to PKG_CHECK_MODULES to check if $pkg_cv_[]$1[]_LIBS
works.
config/
PR binutils/26301
* pkg.m4 (PKG_CHECK_MODULES): Add AC_TRY_LINK to check if
$pkg_cv_[]$1[]_LIBS works.
binutils/
PR binutils/26301
* configure: Regenerated.
gdb/
PR binutils/26301
* configure: Regenerated.
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Use PKG_CHECK_MODULES to set debuginfod autoconf vars. Also add
pkg.m4 to config/.
ChangeLog:
* config/debuginfod.m4: use PKG_CHECK_MODULES.
* config/pkg.m4: New file.
* configure: Rebuild.
* configure.ac: Remove AC_DEBUGINFOD.
ChangeLog/binutils:
* Makefile.am: Replace LIBDEBUGINFOD with DEBUGINFOD_LIBS.
* Makefile.in: Rebuild.
* configure: Rebuild.
* doc/Makefile.in: Rebuild.
ChangeLog/gdb:
* Makefile.in: Replace LIBDEBUGINFOD with DEBUGINFOD_LIBS.
* configure: Rebuild.
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config/
2020-06-24 H.J. Lu <hongjiu.lu@intel.com>
Sync with GCC
2020-05-29 H.J. Lu <hjl.tools@gmail.com>
PR bootstrap/95413
* cet.m4: Replace save_CFLAGS and save_LDFLAGS with
cet_save_CFLAGS and cet_save_LDFLAGS.
include/
2020-06-24 H.J. Lu <hongjiu.lu@intel.com>
Sync with GCC
2020-06-23 Nick Alcock <nick.alcock@oracle.com>
* libiberty.h (bsearch_r): New.
2020-04-17 Martin Liska <mliska@suse.cz>
Jonathan Yong <10walls@gmail.com>
PR gcov-profile/94570
* filenames.h (defined): Do not define HAVE_DOS_BASED_FILE_SYSTEM
for CYGWIN.
libiberty/
2020-06-23 Nick Alcock <nick.alcock@oracle.com>
* bsearch_r.c: New file.
* Makefile.in (CFILES): Add bsearch_r.c.
(REQUIRED_OFILES): Add bsearch_r.o.
* functions.texi: Regenerate.
2020-05-29 H.J. Lu <hjl.tools@gmail.com>
PR bootstrap/95413
* configure: Regenerated.
2020-05-15 Iain Buclaw <ibuclaw@gdcproject.org>
* d-demangle.c (dlang_attributes): Add @live attribute.
* testsuite/d-demangle-expected: Add new tests.
2020-05-14 Rainer Schuetze <r.sagitario@gmx.de>
Iain Buclaw <ibuclaw@gdcproject.org>
* d-demangle.c (enum dlang_symbol_kinds): Remove enum.
(struct dlang_info): New struct
(dlang_decode_backref): New function.
(dlang_backref): New function.
(dlang_symbol_backref): New function.
(dlang_type_backref): New function.
(dlang_symbol_name_p): New function.
(dlang_function_type_noreturn): New function.
(dlang_function_type): Add 'info' parameter. Decode function type
with dlang_function_type_noreturn.
(dlang_function_args): Add 'info' parameter.
(dlang_type): Add 'info' parameter. Handle back referenced types.
(dlang_identifier): Replace 'kind' parameter with 'info'. Handle back
referenced symbols. Split off decoding of plain identifiers to...
(dlang_lname): ...here.
(dlang_parse_mangle): Replace 'kind' parameter with 'info'. Decode
function type and return with dlang_type.
(dlang_parse_qualified): Replace 'kind' parameter with 'info', add
'suffix_modifier' parameter. Decode function type with
dlang_function_type_noreturn.
(dlang_parse_tuple): Add 'info' parameter.
(dlang_template_symbol_param): New function.
(dlang_template_args): Add 'info' parameter. Decode symbol parameter
with dlang_template_symbol_param. Handle back referenced values, and
externally mangled parameters.
(dlang_parse_template): Add 'info' parameter.
(dlang_demangle_init_info): New function.
(dlang_demangle): Initialize and pass 'info' parameter.
* testsuite/d-demangle-expected: Add new tests.
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Sync with GCC
2020-05-15 H.J. Lu <hongjiu.lu@intel.com>
PR bootstrap/95147
* cet.m4 (GCC_CET_FLAGS): Also check if -fcf-protection works
when defaulting to auto.
2020-05-14 H.J. Lu <hongjiu.lu@intel.com>
* cet.m4 (GCC_CET_FLAGS): Change default to auto.
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config/
PR bootstrap/94998
* cet.m4 (GCC_CET_HOST_FLAGS): Enable CET in cross compiler if
possible.
libiberty/
PR bootstrap/94998
* configure: Regenerated.
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config/
2020-04-29 H.J. Lu <hongjiu.lu@intel.com>
Sync with GCC
2020-04-28 H.J. Lu <hongjiu.lu@intel.com>
PR bootstrap/94739
* cet.m4 (GCC_CET_HOST_FLAGS): Add -fcf-protection=none to
-Wl,-z,ibt,-z,shstk. Check whether -fcf-protection=none
-Wl,-z,ibt,-z,shstk works first.
2020-04-25 H.J. Lu <hongjiu.lu@intel.com>
PR bootstrap/94739
* cet.m4 (GCC_CET_HOST_FLAGS): New.
2020-04-22 Jakub Jelinek <jakub@redhat.com>
PR libfortran/94694
PR libfortran/94586
* math.m4 (GCC_CHECK_MATH_INLINE_BUILTIN_FALLBACK1,
GCC_CHECK_MATH_INLINE_BUILTIN_FALLBACK2): New.
libiberty/
2020-04-28 H.J. Lu <hongjiu.lu@intel.com>
PR bootstrap/94739
* configure: Regenerated.
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GCC's config/ChangeLog since the last time this merge was done
(in the binutils-gdb commit 0b4d000cc4e8e77c823) is included at the
end of this commit message.
It is worth noting that the binutils-gdb commit 301a9420d947da1458
added the file config/debuginfod.m4 which is not present in GCC's
config/ directory. This file is preserved, unmodified, after this
commit.
In order to regenerate all of the configure files, I configured with
--enable-maintainer-mode, and built the 'all' target. I then did the
same thing on a source tree without this patch, and only committed
those files that changed when this patch was added.
GCC's config/ChangeLog entries:
2020-02-12 Sandra Loosemore <sandra@codesourcery.com>
PR libstdc++/79193
PR libstdc++/88999
* no-executables.m4: Use a non-empty program to test for linker
support.
2020-02-01 Andrew Burgess <andrew.burgess@embecosm.com>
* lib-link.m4 (AC_LIB_LINKFLAGS_BODY): Update shell syntax.
2020-01-27 Andrew Burgess <andrew.burgess@embecosm.com>
* lib-link.m4 (AC_LIB_LINKFLAGS_BODY): Add new
--with-libXXX-type=... option. Use this to guide the selection of
either a shared library or a static library.
2020-01-24 Maciej W. Rozycki <macro@wdc.com>
* toolexeclibdir.m4: New file.
2019-09-10 Christophe Lyon <christophe.lyon@st.com>
* futex.m4: Handle *-uclinux*.
* tls.m4 (GCC_CHECK_TLS): Likewise.
2019-09-06 Florian Weimer <fweimer@redhat.com>
* futex.m4 (GCC_LINUX_FUTEX): Include <unistd.h> for the syscall
function.
2019-07-08 Richard Sandiford <richard.sandiford@arm.com>
* bootstrap-Og.mk: New file.
2019-06-25 Kwok Cheung Yeung <kcy@codesourcery.com>
Andrew Stubbs <ams@codesourcery.com>
* gthr.m4 (GCC_AC_THREAD_HEADER): Add case for gcn.
2019-05-30 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
* ax_count_cpus.m4: New file.
2019-05-02 Richard Biener <rguenther@suse.de>
PR bootstrap/85574
* bootstrap-lto.mk (extra-compare): Set to gcc/lto1$(exeext).
2019-04-16 Martin Liska <mliska@suse.cz>
* bootstrap-lto-lean.mk: Filter out -flto in STAGEtrain_CFLAGS.
2019-04-09 Martin Liska <mliska@suse.cz>
* bootstrap-lto-lean.mk: New file.
2019-03-02 Johannes Pfau <johannespfau@gmail.com>
* mh-mingw: Also set __USE_MINGW_ACCESS flag for C++ code.
2018-10-31 Joseph Myers <joseph@codesourcery.com>
PR bootstrap/82856
* math.m4, tls.m4: Use AC_LANG_SOURCE.
Merge from binutils-gdb:
2018-06-19 Simon Marchi <simon.marchi@ericsson.com>
* override.m4 (_GCC_AUTOCONF_VERSION): Bump from 2.64 to 2.69.
config/ChangeLog:
* ax_count_cpus.m4: New file, backported from GCC.
* bootstrap-Og.mk: New file, backported from GCC.
* bootstrap-lto-lean.mk: New file, backported from GCC.
* bootstrap-lto.mk: Changes backported from GCC.
* futex.m4: Changes backported from GCC.
* gthr.m4: Changes backported from GCC.
* lib-link.m4: Changes backported from GCC.
* mh-mingw: Changes backported from GCC.
* no-executables.m4: Changes backported from GCC.
* tls.m4: Changes backported from GCC.
* toolexeclibdir.m4: New file, backported from GCC.
binutils/ChangeLog:
* configure: Regenerate.
gdb/ChangeLog:
* configure: Regenerate.
gdbserver/ChangeLog:
* configure: Regenerate.
gdbsupport/ChangeLog:
* configure: Regenerate.
intl/ChangeLog:
* configure: Regenerate.
libiberty/ChangeLog:
* configure: Regenerate.
zlib/ChangeLog.bin-gdb:
* configure: Regenerate.
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a configure time option).
debuginfod is a lightweight web service that indexes ELF/DWARF
debugging resources by build-id and serves them over HTTP. This patch
enables objdump and readelf to query debuginfod servers when they are
otherwise not able to find separate debug files. Binutils can be built
with debuginfod using the --with-debuginfod configure option. This
requires that libdebuginfod be installed and found at configure time.
debuginfod is packaged with elfutils, starting with version 0.178. For
more information see https://sourceware.org/elfutils/.
toplevel* config/debuginfod.m4: New file. Add macro AC_DEBUGINFOD. Adds
new configure option --with-debuginfod.
* configure: Regenerate.
* configure.ac: Call AC_DEBUGINFOD.
binutils* Makefile.am (readelf_LDADD, objdump_LDADD): Add libdebuginfod.
* Makefile.in: Regenerate.
* NEWS: Update.
* config.in: Regenerate.
* configure: Regenerate.
* configure.ac: Call AC_DEBUGINFOD.
* doc/Makefile.in: Regenerate.
* doc/binutils.texi: Add section on using binutils
with debuginfod.
* dwarf.c (debuginfod_fetch_separate_debug_info): New function.
Query debuginfod servers for the target debug file.
(load_separate_debug_info): Call
debuginfod_fetch_separate_debug_info if configured with
debuginfod.
(load_separate_debug_files): Add file argument to
load_separate_debug_info calls.
* dwarf.h (get_build_id): Add declaration.
* objdump.c (get_build_id): New function. Get build-id of file.
* readelf.c (get_build_id): Likewise.
* testsuite/binutils-all/debuginfod.exp: New tests.
* testsuite/binutils-all/linkdebug.s: Add .note.gnu.build-id
section.
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