| Commit message (Collapse) | Author | Age | Files | Lines |
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The libc version is identical and built with same flags.
Checked on x86_64-linux-gnu.
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The libc version is identical and built with same flags.
Checked on x86_64-linux-gnu.
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The libc version is identical and built with same flags.
Checked on x86_64-linux-gnu.
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The libc version is identical and built with same flags.
Checked on x86_64-linux-gnu.
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The libc version is identical and built with same flags.
Checked on x86_64-linux-gnu.
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The libc version is identical and built with same flags.
Checked on x86_64-linux-gnu.
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The libc version is identical and built with same flags.
Checked on x86_64-linux-gnu.
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The libc version is identical and built with same flags.
Checked on x86_64-linux-gnu.
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The libc version is identical and built with same flags.
Checked on x86_64-linux-gnu.
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The libc version is identical and built with same flags.
Checked on x86_64-linux-gnu.
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The libc version is identical and built with same flags.
Checked on x86_64-linux-gnu.
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The libc version is identical and built with same flags.
Checked on x86_64-linux-gnu.
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The libc version is identical and built with same flags.
Checked on x86_64-linux-gnu.
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The libc version is identical and built with same flags.
Checked on x86_64-linux-gnu.
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The libc version is identical and built with same flags.
Checked on x86_64-linux-gnu.
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The libc version is identical and built with same flags.
Checked on x86_64-linux-gnu.
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Add a benchtest to ilogb, ilogbf and ilogbf128 based on the logb* benchtests.
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The POWER9 builtins used to improve the ilogb* functions can be
used in the llogb* functions as well.
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The instructions xsxexpdp and xsxexpqp introduced on POWER9 extract
the exponent from a double-precision and quad-precision floating-point
respectively, thus they can be used to improve ilogb, ilogbf and ilogbf128.
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This detects some bogus abilist files.
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
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Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
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It is not actually used by the legacy unwinder linked into
libc.so, and it conflicts with the unwind-link functionality
in libpthread.
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
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Pass environ to posix_spawn so that the child process can inherit
environment of the test.
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Generated with 'make regen-ulps' on POWER8.
Tested on powerpc, powerpc64, and powerpc64le
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This does not change the emitted code since __libc_start_main does not
return, but is important for formal flags compliance.
This also cleans up the cosmetic inconsistency in the stack protector
flags in csu, especially the incorrect value of STACK_PROTECTOR_LEVEL.
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
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__x86_get_cpuid_feature_leaf is called during early startup, before
the stack check guard is initialized and is hence not safe to build
with stack-protector.
Additionally, IFUNC resolvers for static tst-ifunc-isa tests get
called too early for stack protector to be useful, so fix them to
disable stack protector for the resolver functions.
This fixes all failures seen with --enable-stack-protector=all
configuration.
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
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Enabling --enable-stack-protector=all causes the following tests to fail:
FAIL: elf/ifuncmain9picstatic
FAIL: elf/ifuncmain9static
Nick Alcock (who committed the stack protector code) marked the IFUNC
resolvers with inhibit_stack_protector when he done the original work and
suggested doing so again @ BZ #25680. This patch adds
inhibit_stack_protector to ifuncmain9.
After patch is applied, --enable-stack-protector=all does not fail the
above tests.
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
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- Add a newline to the end of error messages in transfer().
- Fixed the name of support_subprocess_init().
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In this case, use the link map of the dynamic loader itself as
a replacement. This is more than just a hack: if we ever support
DT_RUNPATH/DT_RPATH for the dynamic loader, reporting it for
ld.so --help (without further command line arguments) would be the
right thing to do.
Fixes commit 332421312576bd7095e70589154af99b124dd2d1 ("elf: Always
set l in _dl_init_paths (bug 23462)").
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commit 2d651eb9265d1366d7b9e881bfddd46db9c1ecc4
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Fri Sep 18 07:55:14 2020 -0700
x86: Move x86 processor cache info to cpu_features
missed _SC_LEVEL1_ICACHE_LINESIZE.
1. Add level1_icache_linesize to struct cpu_features.
2. Initialize level1_icache_linesize by calling handle_intel,
handle_zhaoxin and handle_amd with _SC_LEVEL1_ICACHE_LINESIZE.
3. Return level1_icache_linesize for _SC_LEVEL1_ICACHE_LINESIZE.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
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After d1d5471579eb0426671bf94f2d71e61dfb204c30 ("Remove dead
DL_DST_REQ_STATIC code.") we always setup the link map l to make the
static and shared cases the same. The bug is that in elf/dl-load.c
(_dl_init_paths) we conditionally set l only in the #ifdef SHARED
case, but unconditionally use it later. The simple solution is to
remove the #ifdef SHARED conditional, because it's no longer needed,
and unconditionally setup l for both the static and shared cases. A
regression test is added to run a static binary with
LD_LIBRARY_PATH='$ORIGIN' which crashes before the fix and runs after
the fix.
Co-Authored-By: Florian Weimer <fweimer@redhat.com>
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Updates needed after recent commit:
db3f7bb5586392d9809fc6397c7184983aed6008
"math: Remove slow paths from asin and acos [BZ #15267]"
Compre to the required ulps update for x86_64.
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Checked on x86_64-linux-gnu.
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This is part of the libpthread removal project:
<https://sourceware.org/ml/libc-alpha/2019-10/msg00080.html>
Checked on x86_64-linux-gnu.
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Checked on x86_64-linux-gnu.
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Both htl and nptl uses a different data structure to implement atfork
handlers. The nptl one was refactored by 27761a1042d to use a dynarray
which simplifies the code.
This patch moves the nptl one to be the generic implementation and
replace Hurd linked one. Different than previous NPTL, Hurd also uses
a global lock, so performance should be similar.
Checked on x86_64-linux-gnu, i686-linux-gnu, and with a build for
i686-gnu.
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The nptl already expects a Linux syscall internally. Also
__is_internal_signal is used and the DEBUGGING_P check is removed.
Checked on x86_64-linux-gnu.
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Some Linux filesystems might not fully support 64 bit timestamps [1],
which make some Linux specific tests to fail when they check for the
functionality.
This patch adds a new libsupport function, support_path_support_time64,
that returns whether the target file supports or not 64 bit timestamps.
The support is checked by issuing a utimensat and verifying both the
last access and last modification time against a statx call.
The tests that might fail are also adjusted to check the file support
as well:
$ dd if=/dev/zero of=loopbackfile.img bs=100M count=1
1+0 records in
1+0 records out
104857600 bytes (105 MB, 100 MiB) copied, 0,0589568 s, 1,8 GB/s
$ sudo losetup -fP loopbackfile.img
$ mkfs.xfs loopbackfile.img
meta-data=loopbackfile.img isize=512 agcount=4, agsize=6400 blks
= sectsz=512 attr=2, projid32bit=1
= crc=1 finobt=1, sparse=1, rmapbt=0
= reflink=1
data = bsize=4096 blocks=25600, imaxpct=25
= sunit=0 swidth=0 blks
naming =version 2 bsize=4096 ascii-ci=0, ftype=1
log =internal log bsize=4096 blocks=1368, version=2
= sectsz=512 sunit=0 blks, lazy-count=1
realtime =none extsz=4096 blocks=0, rtextents=0
$ mkdir loopfs
$ sudo mount -o loop /dev/loop0 loopfs/
$ sudo chown -R azanella:azanella loopfs
$ TMPDIR=loopfs/ ./testrun.sh misc/tst-utimes
error: ../sysdeps/unix/sysv/linux/tst-utimes.c:55: File loopfs//utimesfECsK1 does not support 64-bit timestamps
[1] https://bugzilla.redhat.com/show_bug.cgi?id=1795576
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There's a small chance that a fresh checkout will result in some of
the test-specific container files will have the same timestamp and
size, which breaks the rsync logic in test-container, resulting in
tests running with the wrong support files.
This patch changes the rsync logic to always copy the test-specific
files, which normally would always be copied anyway. The rsync logic
for the testroot itself is unchanged.
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Previous commit was missing deleted files in sysdeps/ieee754/dbl-64.
Finally remove all mpa related files, headers, declarations, probes, unused
tables and update makefiles.
Reviewed-By: Paul Zimmermann <Paul.Zimmermann@inria.fr>
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Finally remove all mpa related files, headers, declarations, probes, unused
tables and update makefiles.
Reviewed-By: Paul Zimmermann <Paul.Zimmermann@inria.fr>
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Remove slow paths from atan2. Add ULP annotations.
Reviewed-By: Paul Zimmermann <Paul.Zimmermann@inria.fr>
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Remove slow paths from atan. Add ULP annotations.
Reviewed-By: Paul Zimmermann <Paul.Zimmermann@inria.fr>
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Remove slow paths in tan. Add ULP annotations. Merge 'number' into 'mynumber'.
Remove unused entries from tan constants.
Reviewed-By: Paul Zimmermann <Paul.Zimmermann@inria.fr>
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This patch series removes all remaining slow paths and related code.
First asin/acos, tan, atan, atan2 implementations are updated, and the final
patch removes the unused mpa files, headers and probes. Passes buildmanyglibc.
Remove slow paths from asin/acos. Add ULP annotations based on previous slow
path checks (which are approximate). Update AArch64 and x86_64 libm-test-ulps.
Reviewed-By: Paul Zimmermann <Paul.Zimmermann@inria.fr>
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Now that fstat is implemented on top fstatat we need to handle negative
inputs. The implementation now rejects AT_FDCWD, which would otherwise
be accepted by the kernel.
Checked on x86_64-linux-gnu and on i686-linux-gnu.
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With gdb 10, the pretty printer tests are UNSUPPORTED::
The gdb version string (gdb -v) is incorrectly formatted.
This is observable in:
nptl/test-cond-printers, nptl/test-condattr-printers,
nptl/test-mutex-printers, nptl/test-mutexattr-printers,
nptl/test-rwlock-printers, nptl/test-rwlockattr-printers
After updating the regexp and building with debug-info,
all those tests are passing.
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This patch updates the kernel version in the test tst-mman-consts.py
to 5.11. (There are no new MAP_* constants covered by this test in
5.11 that need any other header changes.)
Tested with build-many-glibcs.py.
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Now that compat_symbol_reference works in non-internal tests.
Also do not build and run the test at all on architectures which
do not have the pre-2.28 symbol version of fcntl.
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
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compat_symbol_reference works in non-internal tests now. Also
avoid building the test for unsupported configurations at all.
I verified by building with build-many-glibcs.py that GLIBC_2.1.3
works as the predecessor of GLIBC_2.2. (Symbol versions in
the early days are complex.)
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
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