This commit is the result of the following actions:
- Running gdb/copyright.py to update all of the copyright headers to
include 2024,
- Manually updating a few files the copyright.py script told me to
update, these files had copyright headers embedded within the
file,
- Regenerating gdbsupport/Makefile.in to refresh it's copyright
date,
- Using grep to find other files that still mentioned 2023. If
these files were updated last year from 2022 to 2023 then I've
updated them this year to 2024.
I'm sure I've probably missed some dates. Feel free to fix them up as
you spot them.
A user on irc noticed a missing backslash on one line in
update-gnulib.sh. This patch adds it.
Re-running update-gnulib.sh causes a few copyright notices to change.
Presumably these are from upstream gnulib and shouldn't be touched by
our yearly update. I've updated the script to account for this, but I
did not want to try testing it...
This commit is the result of running the gdb/copyright.py script,
which automated the update of the copyright year range for all
source files managed by the GDB project to be updated to include
year 2023.
gdbsupport compilation badly fails with GCC 12 on Solaris, with errors
like
../gnulib/config.h:1693:72: error: ‘malloc’ attribute argument 1 is ambiguous
1693 | # define _GL_ATTRIBUTE_DEALLOC(f, i) __attribute__ ((__malloc__ (f, i)))
| ^
../gnulib/config.h:1693:72: note: use a cast to the expected type to disambiguate
We've not yet been able to determine where the ambiguity actually lies,
so this patch works around the issue by disabling _GL_ATTRIBUTE_DEALLOC
on Solaris, at least as a workaround for GDB 13.
As Tom suggested in the PR, this is done using our infrastructure for
local gnulib patches.
Tested on sparcv9-sun-solaris2.11, amd64-pc-solaris2.11, and
x86_64-pc-linux-gnu.
Approved-By: Simon Marchi <simon.marchi@efficios.com>
Update the gnulib import to fixes these issues:
- GDB build with clang + glibc < 2.33.
https://git.savannah.gnu.org/cgit/gnulib.git/commit/?id=d6a07b4dc21b3118727743142c678858df442853https://lists.gnu.org/archive/html/bug-gnulib/2022-04/msg00072.html
With glibc < 2.33, gnulib (since relatively recently) enables a
replacement for free (see gnulib/import/m4/free.m4). In that path,
clang shows this error:
make[2]: Entering directory '/home/smarchi/build/binutils-gdb-clang/gdbsupport'
CXX agent.o
In file included from /home/smarchi/src/binutils-gdb/gdbsupport/agent.cc:20:
In file included from /home/smarchi/src/binutils-gdb/gdbsupport/common-defs.h:95:
../gnulib/import/string.h:636:19: error: exception specification in declaration does not match previous declaration
_GL_EXTERN_C void free (void *) throw ();
^
../gnulib/import/stdlib.h:737:17: note: expanded from macro 'free'
# define free rpl_free
^
../gnulib/import/stdlib.h:739:1: note: previous declaration is here
_GL_FUNCDECL_RPL (free, void, (void *ptr));
^
../gnulib/import/sys/select.h:251:23: note: expanded from macro '_GL_FUNCDECL_RPL'
_GL_FUNCDECL_RPL_1 (rpl_##func, rettype, parameters_and_attributes)
^
<scratch space>:139:1: note: expanded from here
rpl_free
^
The gnulib commit mentioned fixes the exception specification of `free`.
- GDB build on RHEL 7:
CC libgnu_a-openat-proc.o
In file included from /usr/include/string.h:633,
from ./string.h:41,
from ../../../binutils-gdb/gnulib/import/openat-proc.c:30:
./string.h:1105:1: error: expected identifier or '(' before '__extension__'
1105 | _GL_FUNCDECL_SYS (strndup, char *,
| ^~~~~~~~~~~~~~~~
https://git.savannah.gnu.org/cgit/gnulib.git/commit/?id=84863a1c4dc8cca8fb0f6f670f67779cdd2d543bhttps://lists.gnu.org/archive/html/bug-gnulib/2022-04/msg00075.html
Change-Id: Ibd51302feece6f385d0c53e0d08921b5d95e2776
This updates gnulib to a relatively recent commit. Most of this was
done by the gnulib import script; the only change I made was to
update-gnulib.sh.
Tested on x86-64 Fedora 34. I also did a mingw cross build.
This commit brings all the changes made by running gdb/copyright.py
as per GDB's Start of New Year Procedure.
For the avoidance of doubt, all changes in this commits were
performed by the script.
Some sim ports use these to provide networking functionality via the
dv-sockser module or via direct emulation for a few ports.
Gdb seems to build just fine still too.
We use getline in sim today which breaks on older systems that are
not compliant with the latest POSIX standard. For example, mingw64
for Windows omits getline so we fail to build there.
This fixes PR27184, a failure to compile gdb due to
cdefs.h being out of sync with glibc on ppc64le targets
which are compiled with -mabi=ieeelongdouble and glibc
2.32.
Likewise, update usage of _GL_ATTRIBUTE_FORMAT_PRINTF to
_GL_ATTRIBUTE_FORMAT_PRINTF_STANDARD.
Likewise, disable newly added rpl_free gnulib api in
gdbserver support libraries.
Likewise, undefine read/write macros before redefining them
on mingw targets.
Likewise, wrap C++ usage of free with GNULIB_NAMESPACE namespace
as needed.
Change-Id: I86517613c0d8ac8f5ea45bbc4ebe2b54a3aef29f
This commits the result of running gdb/copyright.py as per our Start
of New Year procedure...
gdb/ChangeLog
Update copyright year range in copyright header of all GDB files.
PR win32/25302 notes that gdb will crash when trying to "run" even a
simple program on Windows. The essential bug here is that the BFD
cache can easily be corrupted -- I have sent a separate patch for
that.
The particular reason that the cache is corrupted on Windows is that
gnulib overrides "stat" to make it do timezone adjustment -- but BFD
does not use this version of stat. The difference here triggers the
latent cache bug, but can also cause other bugs as well; in particular
it can cause spurious warnings about source files being newer.
This patch simply removes the stat override on mingw, making gnulib
and BFD agree.
I tested this by backing out the local AdaCore changes to work around
this bug and then verifying that I could reproduce it. Then, I
applied this patch and verified that "run" works again.
2020-09-08 Tom Tromey <tromey@adacore.com>
PR win32/25302:
* update-gnulib.sh: Apply stat patch.
* patches/0001-use-windows-stat: New file.
* import/m4/stat.m4: Update.
* configure: Rebuild.
This is mostly to get this commit from gnulib:
e22cd2677a4b7beacbf30b93bb0559f7b89f96ce
Add ‘extern "C"’ to count-one-bits.h etc.
... which fixes this compilation problem I observed with clang++:
CXXLD gdb
arch/arm-get-next-pcs.o:arm-get-next-pcs.c:function thumb_get_next_pcs_raw(arm_get_next_pcs*): error: undefined reference to 'count_one_bits(unsigned int)'
<more such undefined references>
I built-tested on GNU/Linux x86-64 (gcc-9 and clang-9) as well as with the
x86_64-w64-mingw32-gcc cross-compiler.
gnulib/ChangeLog:
* update-gnulib.sh (GNULIB_COMMIT_SHA1): Bump to
e22cd2677a4b7beacbf30b93bb0559f7b89f96ce.
* Makefile.in, config.in, configure, import/*: Re-generate.
For a fix I intend to submit, I would need a function that counts the
number of set bits in a word. There is __builtin_popcount that is
supported by gcc and clang, but there is also a gnulib module that wraps
that and provides a fallback for other compilers, so I think it would be
good to use it.
I also noticed that there is a bitcount function in arch/arm.c, so I
thought that as a first step I would replace that one with the gnulib
count-one-bits module. This is what this patch does.
The gnulib module provides multiple functions, with various parameter
length (unsigned int, unsigned long int, unsigned long long int), I
chose the one that made sense for each call site based on the argument
type.
gnulib/ChangeLog:
* update-gnulib.sh (IMPORTED_GNULIB_MODULES): Import
count-one-bits module.
* configure: Re-generate.
* aclocal.m4: Re-generate.
* Makefile.in: Re-generate.
* import/count-one-bits.c: New file.
* import/count-one-bits.h: New file.
* import/Makefile.am: Re-generate.
* import/Makefile.in: Re-generate.
* import/m4/gnulib-cache.m4: Re-generate.
* import/m4/gnulib-comp.m4: Re-generate.
* import/m4/count-one-bits.m4: New file.
gdb/ChangeLog:
* arm-tdep.c: Include count-one-bits.h.
(cleanup_block_store_pc): Use count_one_bits.
(cleanup_block_load_pc): Use count_one_bits.
(arm_copy_block_xfer): Use count_one_bits.
(thumb2_copy_block_xfer): Use count_one_bits.
(thumb_copy_pop_pc_16bit): Use count_one_bits.
* arch/arm-get-next-pcs.c: Include count-one-bits.h.
(thumb_get_next_pcs_raw): Use count_one_bits.
(arm_get_next_pcs_raw): Use count_one_bits_l.
* arch/arm.c (bitcount): Remove.
* arch/arm.h (bitcount): Remove.
Makes sure to assign the return value of strerror_r to an int,
so that we get a compile error if we accidentally get the
wrong version.
gdb/ChangeLog:
2019-11-15 Christian Biesinger <cbiesinger@google.com>
* config.in: Regenerate.
* configure: Regenerate.
* gdbsupport/common.m4: No longer check for strerror_r.
* gdbsupport/posix-strerror.c (safe_strerror): Always call the
POSIX version of strerror_r, now that gnulib provides it if
necessary.
gdb/gdbserver/ChangeLog:
2019-11-15 Christian Biesinger <cbiesinger@google.com>
* config.in: Regenerate.
* configure: Regenerate.
gnulib/ChangeLog:
2019-11-15 Christian Biesinger <cbiesinger@google.com>
* Makefile.in: Regenerate.
* aclocal.m4: Regenerate.
* config.in: Regenerate.
* configure: Regenerate.
* import/Makefile.am: Update.
* import/Makefile.in: Regenerate.
* import/extra/config.rpath: New file.
* import/glthread/lock.c: New file.
* import/glthread/lock.h: New file.
* import/glthread/threadlib.c: New file.
* import/m4/gnulib-cache.m4: Update.
* import/m4/gnulib-comp.m4: Update.
* import/m4/lib-ld.m4: New file.
* import/m4/lib-link.m4: New file.
* import/m4/lib-prefix.m4: New file.
* import/m4/lock.m4: New file.
* import/m4/strerror_r.m4: New file.
* import/m4/threadlib.m4: New file.
* import/strerror_r.c: New file.
* update-gnulib.sh: Import strerror_r-posix.
Change-Id: I5cfeb12a5203a4cd94a78581541e6085a68685c3
This is a lot simpler and as a side-effect this will correctly
regenerate import/Makefile and config.h during rebuilds if
necessary.
gnulib/ChangeLog:
2019-11-15 Christian Biesinger <cbiesinger@google.com>
* Makefile.am: New file.
* Makefile.in: Replace with generated file.
* aclocal-m4-deps.mk: Remove.
* configure.ac: Use the foreign option for automake and specify
the aclocal search path here.
* update-gnulib.sh: Don't generate aclocal-m4-deps.mk anymore.
Also don't specify the aclocal include path here, now that it
is in configure.ac.
Change-Id: I6a2c4d41cf4f0e21d5c813197bad63ed5c08e408
Coverity discovered a number of resource leaks in Gnulib's glob.c.
This commit backports the Gnulib commits that fix the leaks.
gnulib/ChangeLog:
* patches/0003-Fix-glob-c-Coverity-issues.patch: New file.
* update-gnulib.sh: List the above.
* import/glob.c: Rebuild.
This commit fixes two paths in update-gnulib.sh that weren't updated
when gnulib was moved to toplevel.
gnulib/ChangeLog:
* update-gnulib.sh: Adjust paths.
This patch moves the gdb/gnulib subdirectory to the top level.
It adjusts the top-level build system to build gnulib when necessary,
and changes gdb to use this. However, gdbserver still builds its own
copy of gnulib, just from the new source location.
A small hack was needed to ensure that gnulib is only built when gdb
is enabled. The Makefile only provides an ordering -- the directory
must be mentioned in configdirs to actually be compiled at all.
Most of the patch is just a "git mv" of gnulib, though a few minor
path adjustments were needed in some files there.
Tested by the buildbot.
ChangeLog
2019-06-14 Tom Tromey <tom@tromey.com>
* MAINTAINERS: Add gnulib.
* gnulib: New directory, move from gdb/gnulib.
* configure.ac (host_libs): Add gnulib.
* configure: Rebuild.
* Makefile.def (host_modules, dependencies): Add gnulib.
* Makefile.in: Rebuild.
gdb/ChangeLog
2019-06-14 Tom Tromey <tom@tromey.com>
* gnulib: Move directory to top-level.
* configure.ac: Don't configure gnulib.
* configure: Rebuild.
* common/common-defs.h: Use new path to gnulib.
* Makefile.in (GNULIB_BUILDDIR): Now ../gnulib.
(GNULIB_H): Remove.
(INCGNU): Look in new gnulib location.
(HFILES_NO_SRCDIR): Remove gnulib files.
(SUBDIR, REQUIRED_SUBDIRS): Remove gnulib.
(generated_files): Remove GNULIB_H.
($(LIBGNU), all-lib): Remove targets.
(distclean): Don't mention GNULIB_BUILDDIR.
($(GNULIB_BUILDDIR)/Makefile): Remove target.
gdb/gdbserver/ChangeLog
2019-06-14 Tom Tromey <tom@tromey.com>
* configure.ac: Use new path to gnulib.
* configure: Rebuild.
* Makefile.in (INCGNU, $(GNULIB_BUILDDIR)/Makefile): Use new path
to gnulib.
gnulib/ChangeLog
2019-06-14 Tom Tromey <tom@tromey.com>
* update-gnulib.sh: Adjust paths.
* Makefile.in: Adjust paths.
* configure.ac: Adjust paths. Use ACX_LARGEFILE.
* configure: Rebuild.