| Commit message (Collapse) | Author | Age | Files | Lines |
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The ChangeLog automation scripts were incorporated in gnulib as
vcs-to-changelog for a while now since other projects expressed the
desire to use and extend this script. In the interest of avoiding
duplication of code, drop the glibc version of gitlog-to-changelog and
use the gnulib one directly.
The only file that remains is vcstocl_quirks.py, which specifies
properties and quirks of the glibc project source code. This patch
also drops the shebang at the start of vcstocl_quirks.py since the
file is not intended to be directly executable.
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The parser cannot identify the __nonnull off the bat and confuses
__typeof in the change db25266c9 to be a function declaration.
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This patch updates build-many-glibcs.py for the move of GCC to git,
teaching it to do the initial checkout from git, to replace an SVN
checkout with a git one if --replace-sources is used, and to get the
commit identifier from a git checkout after updating it.
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Add another newline when the number of files differing is too large.
This is typical for across-the-board changes such as the copyright
year update that happened recently.
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Hurd uses an empty prefix, so the linker scripts end up in /lib, the
find command picked them up, and stripping them failed because they
are not ELF files.
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This command uses pre-built compilers to re-install the Linux headers
from the current sources into a temporary location and runs glibc's
“make update-syscalls-lists” against that. This updates the glibc
source tree with the current system call numbers.
Reviewed-by: Siddhesh Poyarekar <siddhesh@sourceware.org>
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The new classes GlibcPolicyForCompiler and GlibcPolicyForBuild allow
customization of the Glibc.build_glibc method, replacing the existing
for_compiler flag.
Reviewed-by: Siddhesh Poyarekar <siddhesh@sourceware.org>
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And move install_linux_headers to the top level.
Reviewed-by: Siddhesh Poyarekar <siddhesh@sourceware.org>
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I've updated copyright dates in glibc for 2020. This is the patch for
the changes not generated by scripts/update-copyrights and subsequent
build / regeneration of generated files. As well as the usual annual
updates, mainly dates in --version output (minus libc.texinfo which
previously had to be handled manually but is now successfully updated
by update-copyrights), there is a fix to
sysdeps/unix/sysv/linux/powerpc/bits/termios-c_lflag.h where a typo in
the copyright notice meant it failed to be updated automatically.
Please remember to include 2020 in the dates for any new files added
in future (which means updating any existing uncommitted patches you
have that add new files to use the new copyright dates in them).
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They are not used during the subsequent glibc build, so creating them
merely wastes time.
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This patch enables building mips/r6 isa/little-endian/hard-float configuration in
o32, n32, and n64 variants.
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It also fixes the sparcv9-linux-gnu-disable-multi-arch configuration.
The resulting sparc possible build permutations are:
- sparc64-linux-gnu
- sparcv9-linux-gnu
- sparcv8-linux-gnu-leon3 (from extra_glibcs)
- sparc64-linux-gnu-disable-multi-arch (from extra_glibcs)
- sparcv9-linux-gnu-disable-multi-arch (from extra_glibcs)
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The recent SPARC changes caused a syntax error:
'ccopts': '-m32 -mlong-double-128 -mcpu=v9'}],
^
SyntaxError: invalid syntax
Fixed by this patch.
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The patch is straighforward:
- The sparc32 v8 implementations are moved as the generic ones.
- A configure test is added to check for either __sparc_v8__ or
__sparc_v9__.
- The triple names are simplified and sparc implies sparcv8.
The idea is to keep support on sparcv8 architectures that does support
CAS instructions, such as LEON3/LEON4.
Checked on a sparcv9-linux-gnu and sparc64-linux-gnu.
Tested-by: Andreas Larsson <andreas@gaisler.com>
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This patch makes build-many-glibcs.py use Linux 5.4.
Tested with build-many-glibcs.py (compilers and glibcs builds).
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This patch makes build-many-glibcs.py default to binutils 2.33 branch.
Tested with build-many-glibcs.py (compilers and glibcs builds).
* scripts/build-many-glibcs.py (Context.checkout): Default
binutils version to 2.33 branch.
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Bruno Haible had pointed out that latin1 is a subset of cp1252 and is
hence redundant. I forgot to remove it back then.
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Co-authored-by: Gabriel F. T. Gomes <gabriel@inconstante.net.br>
Reviewed-by: Gabriel F. T. Gomes <gabriel@inconstante.net.br>
Reviewed-by: Joseph Myers <joseph@codesourcery.com>
The utility of a ChangeLog file has been discussed in various mailing
list threads and GNU Tools Cauldrons in the past years and the general
consensus is that while the file may have been very useful in the past
when revision control did not exist or was not as powerful as it is
today, it's current utility is fast diminishing. Further, the
ChangeLog format gets in the way of modernisation of processes since
it almost always results in rewriting of a commit, thus preventing use
of any code review tools to automatically manage patches in the glibc
project.
There is consensus in the glibc community that documentation of why a
change was done (i.e. a detailed description in a git commit) is more
useful than what changed (i.e. a ChangeLog entry) since the latter can
be deduced from the patch. The GNU community would however like to
keep the option of ascertaining what changed through a ChangeLog-like
output and as a compromise, it was proposed that a script be developed
that generates this output.
The script below is the result of these discussions. This script
takes two git revisions references as input and generates the git log
between those revisions in a form that resembles a ChangeLog. Its
capabilities and limitations are listed in a comment in the script.
On a high level it is capable of parsing C code and telling what
changed at the top level, but not within constructs such as functions.
Design
------
At a high level, the script analyses the raw output of a VCS, parses
the source files that have changed and attempts to determine what
changed. The script driver needs three distinct components to be
fully functional for a repository:
- A vcstocl_quirks.py file that helps it parse weird patterns in
sources that may result from preprocessor defines.
- A VCS plugin backend; the git backend is implemented for glibc
- A programming language parser plugin. C is currently implemented.
Additional programming language parsers can be added to give more
detailed output for changes in those types of files.
For input in languages other than those that have a parser, the script
only identifies if a file has been added, removed, modified,
permissions changed, etc. but cannot understand the change in content.
The C Parser
------------
The C parser is capable of parsing C programs with preprocessor macros
in place, as if they were part of the language. This presents some
challenges with parsing code that expands macros on the fly and to
help work around that, a vcstocl_quirks.py file has transformations to
ease things.
The C parser currently can identify macro definitions and scopes and
all global and static declarations and definitions. It cannot parse
(and compare) changes inside functions yet, it could be a future
enhancement if the need for it arises.
Testing
-------
The script has been tested with the glibc repository up to glibc-2.29
and also in the past with emacs. While it would be ideal to have
something like this in a repository like gnulib, that should not be a
bottleneck for glibc to start using this, so this patch proposes to
add these scripts into glibc.
And here is (hopefully!) one of the last ChangeLog entries we'd have
to write for glibc:
* scripts/gitlog_to_changelog.py: New script to auto-generate
ChangeLog.
* scripts/vcs_to_changelog/frontend_c.py: New file.
* scripts/vcs_to_changelog/misc_util.py: New file.
* scripts/vcs_to_changelog/vcs_git.py: New file.
* scripts/vcs_to_changelog/vcstocl_quirks.py: Likewise.
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This patch makes build-many-glibcs.py use Linux 5.3.
Tested with build-many-glibcs.py (host-libraries, compilers and glibcs
builds).
* scripts/build-many-glibcs.py (Context.checkout): Default Linux
version to 5.3.
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Also, change sources.redhat.com to sourceware.org.
This patch was automatically generated by running the following shell
script, which uses GNU sed, and which avoids modifying files imported
from upstream:
sed -ri '
s,(http|ftp)(://(.*\.)?(gnu|fsf|sourceware)\.org($|[^.]|\.[^a-z])),https\2,g
s,(http|ftp)(://(.*\.)?)sources\.redhat\.com($|[^.]|\.[^a-z]),https\2sourceware.org\4,g
' \
$(find $(git ls-files) -prune -type f \
! -name '*.po' \
! -name 'ChangeLog*' \
! -path COPYING ! -path COPYING.LIB \
! -path manual/fdl-1.3.texi ! -path manual/lgpl-2.1.texi \
! -path manual/texinfo.tex ! -path scripts/config.guess \
! -path scripts/config.sub ! -path scripts/install-sh \
! -path scripts/mkinstalldirs ! -path scripts/move-if-change \
! -path INSTALL ! -path locale/programs/charmap-kw.h \
! -path po/libc.pot ! -path sysdeps/gnu/errlist.c \
! '(' -name configure \
-execdir test -f configure.ac -o -f configure.in ';' ')' \
! '(' -name preconfigure \
-execdir test -f preconfigure.ac ';' ')' \
-print)
and then by running 'make dist-prepare' to regenerate files built
from the altered files, and then executing the following to cleanup:
chmod a+x sysdeps/unix/sysv/linux/riscv/configure
# Omit irrelevant whitespace and comment-only changes,
# perhaps from a slightly-different Autoconf version.
git checkout -f \
sysdeps/csky/configure \
sysdeps/hppa/configure \
sysdeps/riscv/configure \
sysdeps/unix/sysv/linux/csky/configure
# Omit changes that caused a pre-commit check to fail like this:
# remote: *** error: sysdeps/powerpc/powerpc64/ppc-mcount.S: trailing lines
git checkout -f \
sysdeps/powerpc/powerpc64/ppc-mcount.S \
sysdeps/unix/sysv/linux/s390/s390-64/syscall.S
# Omit change that caused a pre-commit check to fail like this:
# remote: *** error: sysdeps/sparc/sparc64/multiarch/memcpy-ultra3.S: last line does not end in newline
git checkout -f sysdeps/sparc/sparc64/multiarch/memcpy-ultra3.S
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Now that there are no internal users of __sysctl left, it is possible
to add an unconditional deprecation warning to <sys/sysctl.h>.
To avoid a test failure due this warning in check-install-headers,
skip the test for sys/sysctl.h.
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
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GCC 9 dropped support for the SPE extensions to PowerPC, which means
powerpc*-*-*gnuspe* configurations are no longer buildable with that
compiler. This ISA extension was peculiar to the “e500” line of
embedded PowerPC chips, which, as far as I can tell, are no longer
being manufactured, so I think we should follow suit.
This patch was developed by grepping for “e500”, “__SPE__”, and
“__NO_FPRS__”, and may not eliminate every vestige of SPE support.
Most uses of __NO_FPRS__ are left alone, as they are relevant to
normal embedded PowerPC with soft-float.
* sysdeps/powerpc/preconfigure: Error out on powerpc-*-*gnuspe*
host type.
* scripts/build-many-glibcs.py: Remove powerpc-*-linux-gnuspe
and powerpc-*-linux-gnuspe-e500v1 from list of build configurations.
* sysdeps/powerpc/powerpc32/e500: Recursively delete.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/e500: Recursively delete.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/context-e500.h:
Delete.
* sysdeps/powerpc/fpu_control.h: Remove SPE variant.
Issue an #error if used with a compiler in SPE-float mode.
* sysdeps/powerpc/powerpc32/__longjmp_common.S
* sysdeps/powerpc/powerpc32/setjmp_common.S
* sysdeps/unix/sysv/linux/powerpc/powerpc32/getcontext-common.S
* sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/getcontext.S
* sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/setcontext.S
* sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/swapcontext.S
* sysdeps/unix/sysv/linux/powerpc/powerpc32/setcontext-common.S
* sysdeps/unix/sysv/linux/powerpc/powerpc32/swapcontext-common.S:
Remove code to preserve SPE register state.
* sysdeps/unix/sysv/linux/powerpc/elision-lock.c
* sysdeps/unix/sysv/linux/powerpc/elision-trylock.c
* sysdeps/unix/sysv/linux/powerpc/elision-unlock.c
Remove __SPE__ ifndefs.
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This reverts commit c2b11710fb4a2e8d337ae8f042724143c5ccf173.
Linux 5.1 headers are not in fact usable for glibc testing, because
"[PATCH] uapi: avoid namespace conflict in linux/posix_types.h"
<https://lore.kernel.org/lkml/20190319165123.3967889-1-arnd@arndb.de/>
did not get merged for 5.1 and so many conform/ tests fail.
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* scripts/build-many-glibcs.py (Context.checkout): Default Linux
version to 5.1.
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* scripts/build-many-glibcs.py (Context.checkout): Default GCC
version to 9 branch.
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A few of our installed headers contain UTF-8 in comments.
check-obsolete-constructs opened files without explicitly specifying
their encoding, so it would barf on these headers if “make check” was
run in a non-UTF-8 locale.
* scripts/check-obsolete-constructs.py (HeaderChecker.check):
Specify encoding="utf-8" when opening headers to check.
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This patch makes build-many-glibcs.py use Linux 5.0 in place of 4.20
(now that the test change required to avoid false positives with ulong
in kernel headers has been committed). This includes adjusting the
logic to compute a tarball URL to handle different major version
numbers (rather than changing the path to hardcode v5.x in place of
v4.x, as someone might still wish to check out a v4.x version).
Tested that build-many-glibcs.py successfully checks out Linux 5.0
sources after this patch.
* scripts/build-many-glibcs.py (Context.checkout): Default Linux
version to 5.0.
(Context.checkout_tar): Handle variable major version for Linux
kernel.
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The test for obsolete typedefs in installed headers was implemented
using grep, and could therefore get false positives on e.g. “ulong”
in a comment. It was also scanning all of the headers included by
our headers, and therefore testing headers we don’t control, e.g.
Linux kernel headers.
This patch splits the obsolete-typedef test from
scripts/check-installed-headers.sh to a separate program,
scripts/check-obsolete-constructs.py. Being implemented in Python,
it is feasible to make it tokenize C accurately enough to avoid false
positives on the contents of comments and strings. It also only
examines $(headers) in each subdirectory--all the headers we install,
but not any external dependencies of those headers. Headers whose
installed name starts with finclude/ are ignored, on the assumption
that they contain Fortran.
It is also feasible to make the new test understand the difference
between _defining_ the obsolete typedefs and _using_ the obsolete
typedefs, which means posix/{bits,sys}/types.h no longer need to be
exempted. This uncovered an actual bug in bits/types.h: __quad_t and
__u_quad_t were being used to define __S64_TYPE, __U64_TYPE,
__SQUAD_TYPE and __UQUAD_TYPE. These are changed to __int64_t and
__uint64_t respectively. This is a safe change, despite the comments
in bits/types.h claiming a difference between __quad_t and __int64_t,
because those comments are incorrect. In all current ABIs, both
__quad_t and __int64_t are ‘long’ when ‘long’ is a 64-bit type, and
‘long long’ when ‘long’ is a 32-bit type, and similarly for __u_quad_t
and __uint64_t. (Changing the types to be what the comments say they
are would be an ABI break, as it affects C++ name mangling.) This
patch includes a minimal change to make the comments not completely
wrong.
sys/types.h was defining the legacy BSD u_intN_t typedefs using a
construct that was not necessarily consistent with how the C99 uintN_t
typedefs are defined, and is also too complicated for the new script to
understand (it lexes C relatively accurately, but it does not attempt
to expand preprocessor macros, nor does it do any actual parsing).
This patch cuts all of that out and uses bits/types.h's __uintN_t typedefs
to define u_intN_t instead. This is verified to not change the ABI on
any supported architecture, via the c++-types test, which means u_intN_t
and uintN_t were, in fact, consistent on all supported architectures.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
* scripts/check-obsolete-constructs.py: New test script.
* scripts/check-installed-headers.sh: Remove tests for
obsolete typedefs, superseded by check-obsolete-constructs.py.
* Rules: Run scripts/check-obsolete-constructs.py over $(headers)
as a special test. Update commentary.
* posix/bits/types.h (__SQUAD_TYPE, __S64_TYPE): Define as __int64_t.
(__UQUAD_TYPE, __U64_TYPE): Define as __uint64_t.
Update commentary.
* posix/sys/types.h (__u_intN_t): Remove.
(u_int8_t): Typedef using __uint8_t.
(u_int16_t): Typedef using __uint16_t.
(u_int32_t): Typedef using __uint32_t.
(u_int64_t): Typedef using __uint64_t.
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The check for "/finclude/" fails with the actual location of
Fortran headers because they are now stored in the "finclude"
subdirectory of the top-level include directory, so a relative path
does not contain a slash '/' before the "finclude" string.
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2019-03-07 Martin Liska <mliska@suse.cz>
* math/Makefile: Change location where math-vector-fortran.h is
installed.
* math/finclude/math-vector-fortran.h: Move from bits/math-vector-fortran.h.
* sysdeps/x86/fpu/finclude/math-vector-fortran.h: Move
from sysdeps/x86/fpu/bits/math-vector-fortran.h.
* scripts/check-installed-headers.sh: Skip Fortran header files.
* scripts/check-wrapper-headers.py: Likewise.
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If building on a subset of architectures only, it is easy to miss
wrapper headers which are required by other architectures because
they lack the corresponding sysdeps header. The check ensures
that every installed header which is not itself a sysdeps header
has a header under include/ (that presumably wraps the header,
and perhaps also adding declarations and definitions for !_ISOMAC).
Also check for the absence of the sysdeps/generic/bits directory
removed in commit c72565e5f1124c2dc72573e83406fe999e56091f, to make
accidental re-introduction more difficult.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
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In some cases, sensitive to readline version and the user's
environment, gdb might emit escape codes while run under python's
pexpect (i.e. testing pretty printers). This patch, suggested
by Jan, helps isolate the test from the user's environment.
Tested on RHEL 7 x86_64 with DTS 7 and EPEL, which is one
magic combination of components that triggers this bug.
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* scripts/build-many-glibcs.py (Context.checkout): Default MPFR
version to 4.0.2.
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* scripts/build-many-glibcs.py (Context.checkout): Default
binutils version to 2.32 branch.
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This patch updates some miscellaneous files from their upstream
sources (thereby bringing in copyright date updates for some of those
files).
Tested for x86_64, including "make pdf".
* manual/texinfo.tex: Update to version 2018-12-28.17 with
trailing whitespace removed.
* scripts/config.guess: Update to version 2019-01-01.
* scripts/config.sub: Update to version 2019-01-01.
* scripts/move-if-change: Update from gnulib.
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I've updated copyright dates in glibc for 2019. This is the patch for
the changes not generated by scripts/update-copyrights and subsequent
build / regeneration of generated files.
Please remember to include 2019 in the dates for any new files added
in future (which means updating any existing uncommitted patches you
have that add new files to use the new copyright dates in them).
* NEWS: Update copyright dates.
* catgets/gencat.c (print_version): Likewise.
* csu/version.c (banner): Likewise.
* debug/catchsegv.sh: Likewise.
* debug/pcprofiledump.c (print_version): Likewise.
* debug/xtrace.sh (do_version): Likewise.
* elf/ldconfig.c (print_version): Likewise.
* elf/ldd.bash.in: Likewise.
* elf/pldd.c (print_version): Likewise.
* elf/sotruss.sh: Likewise.
* elf/sprof.c (print_version): Likewise.
* iconv/iconv_prog.c (print_version): Likewise.
* iconv/iconvconfig.c (print_version): Likewise.
* locale/programs/locale.c (print_version): Likewise.
* locale/programs/localedef.c (print_version): Likewise.
* login/programs/pt_chown.c (print_version): Likewise.
* malloc/memusage.sh (do_version): Likewise.
* malloc/memusagestat.c (print_version): Likewise.
* malloc/mtrace.pl: Likewise.
* manual/libc.texinfo: Likewise.
* nptl/version.c (banner): Likewise.
* nscd/nscd.c (print_version): Likewise.
* nss/getent.c (print_version): Likewise.
* nss/makedb.c (print_version): Likewise.
* posix/getconf.c (main): Likewise.
* scripts/test-installation.pl: Likewise.
* sysdeps/unix/sysv/linux/lddlibc4.c (main): Likewise.
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* All files with FSF copyright notices: Update copyright dates
using scripts/update-copyrights.
* locale/programs/charmap-kw.h: Regenerated.
* locale/programs/locfile-kw.h: Likewise.
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* scripts/build-many-glibcs.py (Context.checkout): Default Linux
version to 4.20.
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This patch add two abi combinations support for C-SKY ABIV2: soft-float
little endian, hard float little endian. C-SKY ABI manual and architecture
user guide are available from: https://github.com/c-sky/csky-doc
* config.h.in (CSKYABI, CSKY_HARD_FLOAT): New Define.
* scripts/build-many-glibcs.py: Add C-SKY targets.
* sysdeps/csky/Implies: New file.
* sysdeps/csky/Makefile: Likewise.
* sysdeps/csky/abiv2/__longjmp.S: Likewise.
* sysdeps/csky/abiv2/csky-mcount.S: Likewise.
* sysdeps/csky/abiv2/dl-trampoline.S: Likewise.
* sysdeps/csky/abiv2/memcmp.S: Likewise.
* sysdeps/csky/abiv2/memcpy.S: Likewise.
* sysdeps/csky/abiv2/memmove.S: Likewise.
* sysdeps/csky/abiv2/memset.S: Likewise.
* sysdeps/csky/abiv2/setjmp.S: Likewise.
* sysdeps/csky/abiv2/start.S: Likewise.
* sysdeps/csky/abiv2/strcmp.S: Likewise.
* sysdeps/csky/abiv2/strcpy.S: Likewise.
* sysdeps/csky/abiv2/strlen.S: Likewise.
* sysdeps/csky/abiv2/tls-macros.h: Likewise.
* sysdeps/csky/abort-instr.h: Likewise.
* sysdeps/csky/atomic-machine.h: Likewise.
* sysdeps/csky/bits/endian.h: Likewise.
* sysdeps/csky/bits/fenv.h: Likewise.
* sysdeps/csky/bits/link.h: Likewise.
* sysdeps/csky/bits/setjmp.h: Likewise.
* sysdeps/csky/bsd-_setjmp.S: Likewise.
* sysdeps/csky/bsd-setjmp.S: Likewise.
* sysdeps/csky/configure: Likewise.
* sysdeps/csky/configure.ac: Likewise.
* sysdeps/csky/dl-machine.h: Likewise.
* sysdeps/csky/dl-procinfo.c: Likewise.
* sysdeps/csky/dl-procinfo.h: Likewise.
* sysdeps/csky/dl-sysdep.h: Likewise.
* sysdeps/csky/dl-tls.h: Likewise.
* sysdeps/csky/fpu/fclrexcpt.c: Likewise.
* sysdeps/csky/fpu/fedisblxcpt.c: Likewise.
* sysdeps/csky/fpu/feenablxcpt.c: Likewise.
* sysdeps/csky/fpu/fegetenv.c: Likewise.
* sysdeps/csky/fpu/fegetexcept.c: Likewise.
* sysdeps/csky/fpu/fegetmode.c: Likewise.
* sysdeps/csky/fpu/fegetround.c: Likewise.
* sysdeps/csky/fpu/feholdexcpt.c: Likewise.
* sysdeps/csky/fpu/fenv_libc.h: Likewise.
* sysdeps/csky/fpu/fenv_private.h: Likewise.
* sysdeps/csky/fpu/fesetenv.c: Likewise.
* sysdeps/csky/fpu/fesetexcept.c: Likewise.
* sysdeps/csky/fpu/fesetmode.c: Likewise.
* sysdeps/csky/fpu/fesetround.c: Likewise.
* sysdeps/csky/fpu/feupdateenv.c: Likewise.
* sysdeps/csky/fpu/fgetexcptflg.c: Likewise.
* sysdeps/csky/fpu/fix-fp-int-convert-overflow.h: Likewise.
* sysdeps/csky/fpu/fraiseexcpt.c: Likewise.
* sysdeps/csky/fpu/fsetexcptflg.c: Likewise.
* sysdeps/csky/fpu/ftestexcept.c: Likewise.
* sysdeps/csky/fpu/libm-test-ulps: Likewise.
* sysdeps/csky/fpu/libm-test-ulps-name: Likewise.
* sysdeps/csky/fpu_control.h: Likewise.
* sysdeps/csky/gccframe.h: Likewise.
* sysdeps/csky/jmpbuf-unwind.h: Likewise.
* sysdeps/csky/ldsodefs.h: Likewise.
* sysdeps/csky/libc-tls.c: Likewise.
* sysdeps/csky/linkmap.h: Likewise.
* sysdeps/csky/machine-gmon.h: Likewise.
* sysdeps/csky/memusage.h: Likewise.
* sysdeps/csky/nofpu/Implies: Likewise.
* sysdeps/csky/nofpu/libm-test-ulps: Likewise.
* sysdeps/csky/nofpu/libm-test-ulps-name: Likewise.
* sysdeps/csky/nptl/Makefile: Likewise.
* sysdeps/csky/nptl/bits/pthreadtypes-arch.h: Likewise.
* sysdeps/csky/nptl/bits/semaphore.h: Likewise.
* sysdeps/csky/nptl/pthread-offsets.h: Likewise.
* sysdeps/csky/nptl/pthreaddef.h: Likewise.
* sysdeps/csky/nptl/tcb-offsets.sym: Likewise.
* sysdeps/csky/nptl/tls.h: Likewise.
* sysdeps/csky/preconfigure: Likewise.
* sysdeps/csky/sfp-machine.h: Likewise.
* sysdeps/csky/sotruss-lib.c: Likewise.
* sysdeps/csky/stackinfo.h: Likewise.
* sysdeps/csky/sysdep.h: Likewise.
* sysdeps/csky/tininess.h: Likewise.
* sysdeps/csky/tst-audit.h: Likewise.
* sysdeps/unix/sysv/linux/csky/Implies: Likewise.
* sysdeps/unix/sysv/linux/csky/Makefile: Likewise.
* sysdeps/unix/sysv/linux/csky/Versions: Likewise.
* sysdeps/unix/sysv/linux/csky/abiv2/____longjmp_chk.S: Likewise.
* sysdeps/unix/sysv/linux/csky/abiv2/clone.S: Likewise.
* sysdeps/unix/sysv/linux/csky/abiv2/getcontext.S: Likewise.
* sysdeps/unix/sysv/linux/csky/abiv2/setcontext.S: Likewise.
* sysdeps/unix/sysv/linux/csky/abiv2/swapcontext.S: Likewise.
* sysdeps/unix/sysv/linux/csky/abiv2/syscall.S: Likewise.
* sysdeps/unix/sysv/linux/csky/abiv2/sysdep.S: Likewise.
* sysdeps/unix/sysv/linux/csky/abiv2/ucontext_i.sym: Likewise.
* sysdeps/unix/sysv/linux/csky/bits/procfs.h: Likewise.
* sysdeps/unix/sysv/linux/csky/bits/shmlba.h: Likewise.
* sysdeps/unix/sysv/linux/csky/c++-types.data: Likewise.
* sysdeps/unix/sysv/linux/csky/configure: Likewise.
* sysdeps/unix/sysv/linux/csky/configure.ac: Likewise.
* sysdeps/unix/sysv/linux/csky/ipc_priv.h: Likewise.
* sysdeps/unix/sysv/linux/csky/jmp_buf-macros.h: Likewise.
* sysdeps/unix/sysv/linux/csky/kernel-features.h: Likewise.
* sysdeps/unix/sysv/linux/csky/ld.abilist: Likewise.
* sysdeps/unix/sysv/linux/csky/ldconfig.h: Likewise.
* sysdeps/unix/sysv/linux/csky/libBrokenLocale.abilist: Likewise.
* sysdeps/unix/sysv/linux/csky/libanl.abilist: Likewise.
* sysdeps/unix/sysv/linux/csky/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/csky/libcrypt.abilist: Likewise.
* sysdeps/unix/sysv/linux/csky/libdl.abilist: Likewise.
* sysdeps/unix/sysv/linux/csky/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/csky/libpthread.abilist: Likewise.
* sysdeps/unix/sysv/linux/csky/libresolv.abilist: Likewise.
* sysdeps/unix/sysv/linux/csky/librt.abilist: Likewise.
* sysdeps/unix/sysv/linux/csky/libthread_db.abilist: Likewise.
* sysdeps/unix/sysv/linux/csky/libutil.abilist: Likewise.
* sysdeps/unix/sysv/linux/csky/localplt.data: Likewise.
* sysdeps/unix/sysv/linux/csky/makecontext.c: Likewise.
* sysdeps/unix/sysv/linux/csky/profil-counter.h: Likewise.
* sysdeps/unix/sysv/linux/csky/pt-vfork.S: Likewise.
* sysdeps/unix/sysv/linux/csky/register-dump.h: Likewise.
* sysdeps/unix/sysv/linux/csky/shlib-versions: Likewise.
* sysdeps/unix/sysv/linux/csky/sigcontextinfo.h: Likewise.
* sysdeps/unix/sysv/linux/csky/sys/cachectl.h: Likewise.
* sysdeps/unix/sysv/linux/csky/sys/ucontext.h: Likewise.
* sysdeps/unix/sysv/linux/csky/sys/user.h: Likewise.
* sysdeps/unix/sysv/linux/csky/syscalls.list: Likewise.
* sysdeps/unix/sysv/linux/csky/sysdep.h: Likewise.
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This commit does not change the generated output file.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
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Continuing the process of building up and using Python infrastructure
for extracting and using values in headers, this patch adds a test
that MAP_* constants from sys/mman.h agree with those in the Linux
kernel headers. (Other sys/mman.h constants could be added to the
test separately.)
This set of constants has grown over time, so the generic code is
enhanced to allow saying extra constants are OK on either side of the
comparison (where the caller sets those parameters based on the Linux
kernel headers version, compared with the version the headers were
last updated from). Although the test is a custom Python file, my
intention is to move in future to a single Python script for such
tests and text files it takes as inputs, once there are enough
examples to provide a guide to the common cases in such tests (I'd
like to end up with most or all such sets of constants copied from
kernel headers having such tests, and likewise for structure layouts
from the kernel).
The Makefile code is essentially the same as for tst-signal-numbers,
but I didn't try to find an object file to depend on to represent the
dependency on the headers used by the test (the conform/ tests don't
try to represent such header dependencies at all, for example).
Tested with build-many-glibcs.py, and also for x86_64 with older
kernel headers.
* scripts/glibcextract.py (compare_macro_consts): Take parameters
to allow extra macros from first or second sources.
* sysdeps/unix/sysv/linux/tst-mman-consts.py: New file.
* sysdeps/unix/sysv/linux/Makefile [$(subdir) = misc]
(tests-special): Add $(objpfx)tst-mman-consts.out.
($(objpfx)tst-mman-consts.out): New makefile target.
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This patch eliminates the gen-py-const.awk variant of gen-as-const,
switching to use of gnu-as-const.py (with a new --python option) to
process .pysym files (i.e., to generate nptl_lock_constants.py), as
the syntax of those files is identical to that of .sym files.
Note that the generated nptl_lock_constants.py is *not* identical to
the version generated by the awk script. Apart from the trivial
changes (comment referencing the new script, and output being sorted),
the constant FUTEX_WAITERS, PTHREAD_MUTEXATTR_FLAG_BITS,
PTHREAD_MUTEXATTR_FLAG_PSHARED and PTHREAD_MUTEX_PRIO_CEILING_MASK are
now output as positive rather than negative constants (on x86_64
anyway; maybe not necessarily on 32-bit systems):
< FUTEX_WAITERS = -2147483648
---
> FUTEX_WAITERS = 2147483648
< PTHREAD_MUTEXATTR_FLAG_BITS = -251662336
< PTHREAD_MUTEXATTR_FLAG_PSHARED = -2147483648
---
> PTHREAD_MUTEXATTR_FLAG_BITS = 4043304960
> PTHREAD_MUTEXATTR_FLAG_PSHARED = 2147483648
< PTHREAD_MUTEX_PRIO_CEILING_MASK = -524288
---
> PTHREAD_MUTEX_PRIO_CEILING_MASK = 4294443008
This is because gen-as-const has a cast of the constant value to long
int, which gen-py-const lacks.
I think the positive values are more logically correct, since the
constants in question are in fact unsigned in C. But to reliably
produce gen-as-const.py output for constants that always (in C and
Python) reflects the signedness of values with the high bit of "long
int" set would mean more complicated logic needs to be used in
computing values.
The more correct positive values by themselves produce a failure of
nptl/test-mutexattr-printers, because masking with
~PTHREAD_MUTEXATTR_FLAG_BITS & ~PTHREAD_MUTEX_NO_ELISION_NP now leaves
a bit -1 << 32 in the Python value, resulting in a KeyError exception.
To avoid that, places masking with ~ of one of the constants in
question are changed to mask with 0xffffffff as well (this reflects
how ~ in Python applies to an infinite-precision integer whereas ~ in
C does not do any promotions beyond the width of int).
Tested for x86_64.
* scripts/gen-as-const.py (main): Handle --python option.
* scripts/gen-py-const.awk: Remove.
* Makerules (py-const-script): Use gen-as-const.py.
($(py-const)): Likewise.
* nptl/nptl-printers.py (MutexPrinter.read_status_no_robust): Mask
with 0xffffffff together with ~(PTHREAD_MUTEX_PRIO_CEILING_MASK).
(MutexAttributesPrinter.read_values): Mask with 0xffffffff
together with ~PTHREAD_MUTEXATTR_FLAG_BITS and
~PTHREAD_MUTEX_NO_ELISION_NP.
* manual/README.pretty-printers: Update reference to
gen-py-const.awk.
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This patch converts the tst-signal-numbers test from shell + awk to
Python.
As with gen-as-const, the point is not so much that shell and awk are
problematic for this code, as that it's useful to build up general
infrastructure in Python for use of a range of code involving
extracting values from C headers. This patch moves some code from
gen-as-const.py to a new glibcextract.py, which also gains functions
relating to listing macros, and comparing the values of a set of
macros from compiling two different pieces of code.
It's not just signal numbers that should have such tests; pretty much
any case where glibc copies constants from Linux kernel headers should
have such tests that the values and sets of constants agree except
where differences are known to be OK. Much the same also applies to
structure layouts (although testing those without hardcoding lists of
fields to test will be more complicated).
Given this patch, another test for a set of macros would essentially
be just a call to glibcextract.compare_macro_consts (plus boilerplate
code - and we could move to having separate text files defining such
tests, like the .sym inputs to gen-as-const, so that only a single
Python script is needed for most such tests). Some such tests would
of course need new features, e.g. where the set of macros changes in
new kernel versions (so you need to allow new macro names on the
kernel side if the kernel headers are newer than the version known to
glibc, and extra macros on the glibc side if the kernel headers are
older). tst-syscall-list.sh could become a Python script that uses
common code to generate lists of macros but does other things with its
own custom logic.
There are a few differences from the existing shell + awk test.
Because the new test evaluates constants using the compiler, no
special handling is needed any more for one signal name being defined
to another. Because asm/signal.h now needs to pass through the
compiler, not just the preprocessor, stddef.h is included as well
(given the asm/signal.h issue that it requires an externally provided
definition of size_t). The previous code defined __ASSEMBLER__ with
asm/signal.h; this is removed (__ASSEMBLY__, a different macro,
eliminates the requirement for stddef.h on some but not all
architectures).
Tested for x86_64, and with build-many-glibcs.py.
* scripts/glibcextract.py: New file.
* scripts/gen-as-const.py: Do not import os.path, re, subprocess
or tempfile. Import glibcexctract.
(compute_c_consts): Remove. Moved to glibcextract.py.
(gen_test): Update reference to compute_c_consts.
(main): Likewise.
* sysdeps/unix/sysv/linux/tst-signal-numbers.py: New file.
* sysdeps/unix/sysv/linux/tst-signal-numbers.sh: Remove.
* sysdeps/unix/sysv/linux/Makefile
($(objpfx)tst-signal-numbers.out): Use tst-signal-numbers.py.
Redirect stderr as well as stdout.
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This patch updates various miscellaneous files from their upstream
sources.
Tested for x86_64, including "make pdf".
* manual/texinfo.tex: Update to version 2018-09-21.20 with
trailing whitespace removed.
* scripts/config.guess: Update to version 2018-11-28.
* scripts/config.sub: Update to version 2018-11-28.
* scripts/install-sh: Update to version 2018-03-11.20.
* scripts/mkinstalldirs: Update to version 2018-03-07.03.
* scripts/move-if-change: Update to version 2018-03-07 03:47.
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It was reported in
<https://sourceware.org/ml/libc-alpha/2018-12/msg00045.html> that
gen-as-const.py fails to generate test code in the case where a .sym
file has no symbols in it, so resulting in a test failing to link for
Hurd.
The relevant difference from the old awk script is that the old script
treated '--' lines as indicating that the text to do at the start of
the test (or file used to compute constants) should be output at that
point if not already output, as well as treating lines with actual
entries for constants like that. This patch changes gen-as-const.py
accordingly, making it the sole responsibility of the code parsing
.sym files to determine when such text should be output and ensuring
it's always output at some point even if there are no symbols and no
'--' lines, since not outputting it means the test fails to link.
Handling '--' like that also avoids any problems that would arise if
the first entry for a symbol were inside #ifdef (since the text in
question must not be output inside #ifdef).
Tested for x86_64, and with build-many-glibcs.py for i686-gnu. Note
that there are still compilation test failures for i686-gnu
(linknamespace tests, possibly arising from recent posix_spawn-related
changes).
* scripts/gen-as-const.py (compute_c_consts): Take an argument
'START' to indicate that start text should be output.
(gen_test): Likewise.
(main): Generate 'START' for first symbol or '--' line, or at end
of input if not previously generated.
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hurd's jmp_buf-ssp.sym does not define any symbol.
scripts/gen-as-const.py currently was emitting an empty line in that
case, and the gawk invocation was prepending "asconst_" to it, ending up
with:
.../build/glibc/setjmp/test-as-const-jmp_buf-ssp.c:1:2: error: expected « = », « , », « ; », « asm » or
« __attribute__ » at end of input
1 | asconst_
| ^~~~~~~~
* scripts/gen-as-const.py (main): Avoid emitting empty line when
there is no element in `consts'.
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Hurd has this in libc.so:
0024db9c g D .bss 00000000 GLIBC_2.2.6 _end
This g/D combination was not recognized before.
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