format string in arbitrary order. This makes the related test cases in
lib/libc/tests/time (not yet connected to the build) pass.
While here, don't error on negative tm_year value based on the
APPLICATION USAGE in
http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/time.h.html
(glibc does the same):
tm_year is a signed value; therefore, years before 1900 may be represented.
Approved by: re (gjb), kib (mentor)
Differential Revision: https://reviews.freebsd.org/D17550
This makes statically linked binaries with ifuncs operational.
Reported and tested by: mjg
Reviewed by: emaste, markj
Sponsored by: The FreeBSD Foundation
Approved by: re (rgrimes)
Differential revision: https://reviews.freebsd.org/D17363
The function is of limited use and is an almost a direct clone of
memmove/memcpy (with arguments swapped). Introduction of ERMS variants
of string routines would mean avoidable growth of libc.
bcopy will get redefined to a __builtin_memmove later on with this
symbol only left for compatibility.
Reviewed by: kib
Approved by: re (gjb)
Sponsored by: The FreeBSD Foundation
Differential Revision: https://reviews.freebsd.org/D17539
bcopy is left alone as it is expected to be converted to a C func.
Due to header mess ALIGN_TEXT is temporarily defined explicitly in memmove.S
Reviewed by: kib
Approved by: re (gjb)
Sponsored by: The FreeBSD Foundation
Differential Revision: https://reviews.freebsd.org/D17538
ELF spec says that for SHT_REL and SHT_RELA sh_link should reference the
associated string table and sh_info should reference the "section to
which the relocation applies." ELF Tool Chain's elfcopy / strip use
this (in part) to control whether or not the relocation entry is copied
to the output.
LLVM PR 37538 https://bugs.llvm.org/show_bug.cgi?id=37538
Approved by: re (kib)
Obtained from: llvm r344226 (backported for 6.0)
It is required by POSIX, specified in our man page, and followed by
Linux.
PR: 232072
Reported by: miguel_tete17@hotmail.com
Sponsored by: The FreeBSD Foundation
Approved by: re (gjb)
MFC after: 1 week
See r339205 for details.
An unused ERMS support is retained in the macro. It will be activated
after ifunc support lands.
Reviewed by: kib
Approved by: re (gjb)
Sponsored by: The FreeBSD Foundation
Differential Revision: https://reviews.freebsd.org/D17405
This makes it easier to grep the source tree for these notes, and
ensures that they will remain in sync.
Reviewed by: kib
Approved by: re (gjb)
MFC after: 1 week
Sponsored by: The FreeBSD Foundation
Differential Revision: https://reviews.freebsd.org/D17408
This is a depessimization, see r334537 for an explanation. Routines
remain significantly slower than they have to be.
bzero was removed from the kernel but remains in libc. Macroify to
accommodate differences to memset (no return value, always setting to 0).
The bzero.S file is left in place due to libc build magic which pulls in
a C variant if a matching .S file is missing.
Reviewed by: kib
Approved by: re (gjb)
Differential Revision: https://reviews.freebsd.org/D17355
This allows older BEs to be destroyed as they become replaced by a BE
created from them: e.g.
bectl create -e brokenworld fixedworld
bectl activate fixedworld
bectl destroy brokenworld
Submitted by: Shawn Webb
Approved by: re (gjb)
Obtained from: HardenedBSD (5948c0581e)
Previously Clang required ifunc resolution functions to take no
arguments, presumably because GCC documented ifunc resolvers as taking
no arguments. However, GCC accepts resolvers accepting arguments, and
our rtld passes CPU ID information (cpuid, hwcap, etc.) to ifunc
resolvers. Just remove the check from the in-tree compiler for our in-
tree compiler; a different (per-OS) approach may be required upstream.
Reported by: mjg
Approved by: re (rgrimes)
MFC after: 1 week
Relnotes: Yes
Sponsored by: The FreeBSD Foundation
make sure there is always a master polling thread, by setting the "ctx_handler"
field in the context. Else the reception of completion events can stop.
This happens if event threads are created and destroyed during runtime.
Found by: Ludovic Rousseau <ludovic.rousseau+freebsd@gmail.com>
PR: 231742
MFC after: 1 week
Approved by: re (kib)
Sponsored by: Mellanox Technologies
Both are significantly slower than hand-coded loops. See r338963 for
kernel commit.
bcmp differs from memcmp by always returning 1 when a difference is
found, as opposed to going for a value bigger or lower than 0
depending on what it is. This means it can do less work. For now the
code is duplicated and modified. This will get deduplicated after
another round of optimization when memcmp will get a longer-term form.
Both tested with the glibc suite. While the suite does not have a test
for bcmp, I created a wrapper routine which verified that values match
(0 vs 0, 1 vs non-zero).
Reviewed by: kib
Approved by: re (gjb)
Sponsored by: The FreeBSD Foundation
Differential Revision: https://reviews.freebsd.org/D17336
Targets like 'cleandir' must not depend on toolchain capabilities.
Reported by: delphij, Shawn Webb
Approved by: re (kib)
Sponsored by: The FreeBSD Foundation
This leverages CONFS to handle the install.
Approved by: re (blanket, pkgbase), bapt (mentor)
Differential Revision: https://reviews.freebsd.org/D17240
We expect to introduce optimized libc routines in the near future,
which requires use of a linker that supports ifuncs.
Approved by: re (gjb, kib)
Sponsored by: The FreeBSD Foundation
This leverages CONFS to handle the install. lib80211 was picked because it is
where this file is actually used from.
Approved by: re (blanket, pkgbase), will (mentor)
Differential Revision: https://reviews.freebsd.org/D17229
This leverages CONFS to handle the install of the config file.
Approved by: re (blanket, pkgbase), will (mentor)
Differential Revision: https://reviews.freebsd.org/D17162
This uses relative paths to make it more specific to avoid any potential
future problems with .PATH and leverages CONFS.
libc was picked as the destination location for these because of the syscalls
that use these files as the lowest level place they are referenced.
Approved by: re (gjb), will (mentor)
Differential Revision: https://reviews.freebsd.org/D17163
This uses relative paths to make it more specific to avoid any potential
future problems with .PATH and leverages CONFS.
libc was picked as the destination location for these because of the syscalls
that use these files as the lowest level place they are referenced.
Approved by: re (gjb), will (mentor)
Differential Revision: https://reviews.freebsd.org/D17164
The change resembles what was done in r334537 for kernel routines.
While here take care of i386 variants. Note that primitives remain
suboptimal.
Reviewed by: kib (previous version)
Approved by: re (gjb)
Differential Revision: https://reviews.freebsd.org/D17167
and transfer prints. Make sure the debug level comes from the
correct USB context.
Found by: Ludovic Rousseau <ludovic.rousseau+freebsd@gmail.com>
PR: 231264
MFC after: 1 week
Approved by: re (kib)
Sponsored by: Mellanox Technologies
Not all event descriptions have a sample rate (such as inst_retired.any)
this will restore the legacy behavior of using 65536 in that case. It also
prevents accidental API misuse that could lead to panic.
PR: 230985
Reported by: markj
Reviewed by: markj
Approved by: re (gjb)
Sponsored by: Limelight Networks
Differential Revision: https://reviews.freebsd.org/D16958
I had disabled building of the aforementioned targets due to warnings breaking
tinderbox. This silences the warning and restores them to the build.
Reported by: jhibbits
Reviewed by: jhibbits
Approved by: re (gjb)
