| 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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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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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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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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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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This test is a wrapper on tst-clock_adjtime test.
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
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This test is a wrapper on tst-clock_adjtime test.
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
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The tst-clock_adjtime can be adjusted to be reused for also testing
adjtimex.
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
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This code privides test to check if time on target machine is properly
adjusted.
The time is altered only when cross-test-ssh.sh is executed with
--allow-time-setting flag.
As the delta added to CLOCK_REALTIME is only 1 sec the original time is
not restored and further tests are executed with this bias.
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
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The symbol is exported by libc.
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There were following problems discovered for tst-timerfd test:
1. Do not set the struct itimerspec's it_interval tv_sec to 2 seconds.
After this change the timerfd will trigger only once (the it_value is
only set in this case).
2. The 'val1' variable (including the call to timerfd_gettime) is not
needed anymore, as it is just enough to read the struct itimerspec
after sleep. As a consequence the 'val2' has been renamed to 'val'.
3. After calling timerfd_gettime, the value of struct itimerspec time,
when timer is running, is the remaining time. In the case of this test
it would be less than 1 second.
As a result the TEST_COMPARE macro logic had to be adjusted.
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
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This patch provides test for utimes. It uses wrapper to read
access and modification times to compare them with ones written by
utimes.
Moreover, access and modification times beyond the Y2038 threshold
date (i.e. 32 bit time_t overflow) are also checked.
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
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This patch provides test for utime. It uses wrapper to read access
and modification times to compare them with ones written by utime.
Moreover, access and modification times beyond the Y2038 threshold
date (i.e. 32 bit time_t overflow) are also checked.
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
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This patch provides test for futimens. It uses wrapper, which
reads access and modification time to compare them with ones
written by futimens.
Moreover, access and modification times beyond the Y2038 threshold
date (i.e. 32 bit time_t overflow) are also checked.
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
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Reviewed-by: Carlos O'Donell <carlos@redhat.com>
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This will be used to consolidate the libgcc_s access for backtrace
and pthread_cancel.
Unlike the existing backtrace implementations, it provides some
hardening based on pointer mangling.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
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It turns out the startup code in csu/elf-init.c has a perfect pair of
ROP gadgets (see Marco-Gisbert and Ripoll-Ripoll, "return-to-csu: A
New Method to Bypass 64-bit Linux ASLR"). These functions are not
needed in dynamically-linked binaries because DT_INIT/DT_INIT_ARRAY
are already processed by the dynamic linker. However, the dynamic
linker skipped the main program for some reason. For maximum
backwards compatibility, this is not changed, and instead, the main
map is consulted from __libc_start_main if the init function argument
is a NULL pointer.
For statically linked binaries, the old approach based on linker
symbols is still used because there is nothing else available.
A new symbol version __libc_start_main@@GLIBC_2.34 is introduced because
new binaries running on an old libc would not run their ELF
constructors, leading to difficult-to-debug issues.
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The elision interfaces are closely aligned between the targets that
implement them, so declare them in the generic <lowlevellock.h>
file.
Empty .c stubs are provided, so that fewer makefile updates
under sysdeps are needed. Also simplify initialization via
__libc_early_init.
The symbols __lll_clocklock_elision, __lll_lock_elision,
__lll_trylock_elision, __lll_unlock_elision, __pthread_force_elision
move into libc. For the time being, non-hidden references are used
from libpthread to access them, but once that part of libpthread
is moved into libc, hidden symbols will be used again. (Hidden
references seem desirable to reduce the likelihood of transactions
aborts.)
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There is no neeed for
call L(here)
L(here):
popl %ebx
addl $_GLOBAL_OFFSET_TABLE_+[.-L(here)], %ebx
before
movl %eax, %ebx
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This was likely a mistake in the original aarch64 port copied over
from arm: on aarch64 tpidr_el0 register is always available.
The __read_tp symbol is visible with static linking, but it's not
part of the public ABI so it should be safe to remove.
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Linux 5.11 has one new syscall, epoll_pwait2. Update
syscall-names.list and regenerate the arch-syscall.h headers with
build-many-glibcs.py update-syscalls.
Tested with build-many-glibcs.py.
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The new hwcap values indicate support for arch14 architecture.
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If the linux asm/ptrace.h is included before sys/ptrace.h that
breaks the newly added declarations there, so undef the names
that may be defined as macros in the linux header.
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The check is moved to LFS fstatat implementation (since it is the
code that actually implements the syscall).
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
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The header is not used anywhere.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
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Remove the internal_statvfs64.c and open code the implementation
on internal_statvfs.c. The alpha is now unrequired, the generic
implementation also handles it.
Also, remove unused includes on internal_statvfs.c, and remove
unused arguments on __internal_statvfs{64}.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
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There is no need to handle ENOSYS on fstatfs64 call, required only
for alpha (where is already fallbacks to fstatfs).
Checked on x86_64-linux-gnu.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
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There is no need to handle ENOSYS on fstatfs64 call, required only
for alpha (where is already fallbacks to fstatfs). The wordsize
internal_statvfs64.c is removed, since how the LFS support is
provided by fstatvfs64.c (used on 64-bit architectures as well).
Checked on x86_64-linux-gnu.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
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The __NR_statfs64 syscall is supported on all architectures but
aarch64, mips64, riscv64, and x86_64. And newer ABIs also uses
the new statfs64 interface (where the struct size is used as
second argument).
So the default implementation now uses:
1. __NR_statfs64 for non-LFS call and handle overflow directly
There is no need to handle __NR_statfs since all architectures
that only support are LFS only.
2. __NR_statfs if defined or __NR_statfs64 otherwise for LFS
call.
Alpha is the only outlier, since it is a 64-bit architecture which
provides non-LFS interface and only provides __NR_statfs64 on
newer kernels (v5.1+).
Checked on x86_64-linux-gnu.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
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