Commit Graph

21017 Commits

Author SHA1 Message Date
Gordon Bergling
eef7327a68 setlocale(3): Add an EXAMPLES section and add LANG category
PR:		41824
Submitted by:	Slaven Rezic <eserte atvran dot herceg dot de>
Obtained from:	NetBSD
MFC after:	1 week
2020-08-07 17:25:56 +00:00
Gordon Bergling
90fb6afc55 mbsrtowcs(3): Clarify the RETURN VALUES section
PR:		215848
Submitted by:	Andrew Stevenson <andrew at ugh dot net dot au>
MFC after:	1 week
2020-08-07 16:56:43 +00:00
Gordon Bergling
1f325602e4 tmpnam(3): Also mention tmpfile in the ENVIRONMENT section
PR:		181785
Submitted by:	Kevin P. Neal <kpneal atpobox dot com>
MFC after:	1 week
2020-08-07 16:20:07 +00:00
Bjoern A. Zeeb
d4a5edc3e3 lib80211: fix indentation of comments for some netbands.
Whitespace only; no functional changes.

MFC after:	2 weeks
Sponsored by:	Rubicon Communications, LLC (d/b/a "Netgate")
2020-08-07 12:47:00 +00:00
Brandon Bergren
e039e3d1d2 [POWERPC] Fix ppc64 makecontext() parameter overflow handling.
On ELFv2, the overflow parameters in the stack frame are at a different offset
from sp than ELFv1. Adjust code to use the correct offset in all cases.

This had resulted in argv[8] and up being copied to the incorrect address
in the new context's initial stack frame.

This is not necessarily the only bug in this function, I need to do a full
review still and ensure the rest of the math is sane for ELFv2 stack frames.

Reported by:	pherde (Probably. My notes are a bit unclear.)
Reviewed by:	jhibbits (in irc)
Sponsored by:	Tag1 Consulting, Inc.
2020-08-06 17:49:19 +00:00
Mateusz Guzik
94e9ef85c5 pmcstat: implement showing offsets into symbols in top mode
The -I option (and hotkey) is reused for this. Skipping symbol resolution is
moved to the new -A option (and hotkey).

While arguably this violates POLA I think it's a change for the better.
ALso note the -I option was added in head.

Differential Revision:	https://reviews.freebsd.org/D21658
2020-08-05 19:05:49 +00:00
Eric van Gyzen
d7e515ff26 devinfo: add man page links
Add man page links for all functions in devinfo(3).

Reported by:	vim
MFC after:	2 weeks
Sponsored by:	Dell EMC Isilon
2020-08-04 21:09:36 +00:00
Eric van Gyzen
32592d86df devinfo: fix memory leak on error paths
Refactor to create devinfo_free_dev().  Call it to plug a memory leak
on two error paths in devinfo_init_devices().

Reported by:	Coverity
MFC after:	2 weeks
Sponsored by:	Dell EMC Isilon
2020-08-04 21:05:53 +00:00
John Baldwin
ec71044958 ld.bfd requires an explicit emulation for MIPS for ld -r.
Unlike lld, ld.bfd doesn't infer the emulation from the first object
file, but assumes its compiled in default for ld -r.

Differential Revision:	https://reviews.freebsd.org/D25728
2020-08-04 18:23:32 +00:00
Gordon Bergling
74f32f086b directory(3): Add an ERRORS section
- Add an ERRORS section for opendir(3) and closedir(3)
- Document also the errors of readdir(3), readdir_r(3) and telldir(3)
- Convert the code sample into an EXAMPLES section

PR:	75711

Submitted by:	abc <abc at ai1 dot anchorage dot mtaonline dot net>
Reviewed by:	0mp, bcr, jilles
Approved by:	0mp, bcr, jilles
Obtained from:	partial from OpenBSD
MFC after:	1 week
Differential Revision:	https://reviews.freebsd.org/D25892
2020-08-04 08:46:28 +00:00
Kyle Evans
eb578fec7f Ensure libregex is built in time for googletest
In lib/Makefile, we document the dependency with SUBDIR_DEPEND

For buildworld orchestration, just prebuild libregex if GOOGLETEST is
enabled. googletest will get built in a later pass.
2020-08-04 03:43:28 +00:00
Kyle Evans
b4af4f93c6 gtest: link against libregex for GNU extensions
gtest tests want to use \w ([[:alnum:]]) at the very least, which was
causing them to fail after r363679.

Start linking against libregex so that this shorthand is implemented.

PR:		248452
2020-08-04 02:18:24 +00:00
Kyle Evans
61898cde69 libregex: disable some of the unimplemented test cases for now
This should allow the tests to actually pass. Future work will uncomment the
unimplemented tests as they're implemented.
2020-08-04 02:16:43 +00:00
Kyle Evans
18a1e2e9b9 libregex: Implement a subset of the GNU extensions
The entire patch-set is not yet mature enough for commit, but this usable
subset is generally enough for googletest to be happy with and mostly map to
some existing concepts, so they're not as invasive.

The specific changes included here are:

- Branching in BREs with \|
- \w and \W for [[:alnum:]] and [^[:alnum:]] respectively
- \s and \S for [[:space:]] and [^[:space:]] respectively
- Additional quantifiers in BREs, \? and \+ (self-explanatory)

There's some #ifdef'd out work for allowing empty branches as a match-all.
This is a feature that's under assessment... future work will determine
how standard this behavior is and act accordingly.
2020-08-04 02:14:51 +00:00
Kyle Evans
ba8b64de05 regex(3): belatedly document REG_POSIX from r363734
My original patch included this documented, but it appears that I failed to
include the manpage update. Do so now.
2020-08-04 02:06:49 +00:00
Konstantin Belousov
6e0c8e1ae2 Add SOL_LOCAL symbolic constant for unix socket option level.
The constant seems to exists on MacOS X >= 10.8.

Requested by:	swills
Reviewed by:	allanjude, kevans
Sponsored by:	The FreeBSD Foundation
MFC after:	1 week
Differential revision:	https://reviews.freebsd.org/D25933
2020-08-03 22:13:02 +00:00
Alex Richardson
9053c1a431 Allow building setmode.c on Linux/macOS
We bootstrap this file to allow compiling FreeBSD on Linux systems since
some boostrap tools use setmode(). Unfortunately, glibc's sys/stat.h
declares a non-static getumask() function (which is unimplemented!) and
that conflicts with the local getumask() function. To work around this
simply use a different name here.

Reviewed By:	brooks, emaste
Differential Revision: https://reviews.freebsd.org/D25929
2020-08-03 18:08:04 +00:00
John Baldwin
338b22234b Pass the full CFLAGS to cpp for MKlib_gen.sh.
GCC's cpp was exiting immediately when it failed to find requested
includes (<ncurses_cfg.h> and <ncurses_defs.h>).  clang-cpp emitted an
error for the missing header files but continued processing the file
(thus not honoring any macros defined in the missing headers).

Arguably, the awk script is buggy since it doesn't check the return
value of the command it executes.

Reviewed by:	kevans
Differential Revision:	https://reviews.freebsd.org/D25731
2020-08-03 17:53:15 +00:00
Kristof Provost
7393b267c6 libc: Provide sub fp(s|g)etmask() implementations for RISC-V
RISC-V doesn't support floating-point exceptions.

RISC-V Instruction Set Manual: Volume I: User-Level ISA, 11.2 Floating-Point
Control and Status Register: "As allowed by the standard, we do not support
traps on floating-point exceptions in the base ISA, but instead require
explicit checks of the flags in software. We considered adding branches
controlled directly by the contents of the floating-point accrued exception
flags, but ultimately chose to omit these instructions to keep the ISA simple."

We still need these functions, because some applications (notably Perl) call
them, but we cannot provide a meaningful implementation.

Sponsored by:	Axiado
Differential Revision:	https://reviews.freebsd.org/D25740
2020-08-03 12:48:51 +00:00
Kyle Evans
adeebf4cd4 regex(3): Interpret many escaped ordinary characters as EESCAPE
In IEEE 1003.1-2008 [1] and earlier revisions, BRE/ERE grammar allows for
any character to be escaped, but "ORD_CHAR preceded by an unescaped
<backslash> character [gives undefined results]".

Historically, we've interpreted an escaped ordinary character as the
ordinary character itself. This becomes problematic when some extensions
give special meanings to an otherwise ordinary character
(e.g. GNU's \b, \s, \w), meaning we may have two different valid
interpretations of the same sequence.

To make this easier to deal with and given that the standard calls this
undefined, we should throw an error (EESCAPE) if we run into this scenario
to ease transition into a state where some escaped ordinaries are blessed
with a special meaning -- it will either error out or have extended
behavior, rather than have two entirely different versions of undefined
behavior that leave the consumer of regex(3) guessing as to what behavior
will be used or leaving them with false impressions.

This change bumps the symbol version of regcomp to FBSD_1.6 and provides the
old escape semantics for legacy applications, just in case one has an older
application that would immediately turn into a pumpkin because of an
extraneous escape that's embedded or otherwise critical to its operation.

This is the final piece needed before enhancing libregex with GNU extensions
and flipping the switch on bsdgrep.

[1] http://pubs.opengroup.org/onlinepubs/9699919799.2016edition/

PR:		229925 (exp-run, courtesy of antoine)
Differential Revision:	https://reviews.freebsd.org/D10510
2020-07-29 23:21:56 +00:00
Ryan Moeller
24e337bec5 libpmc: Use known pmc_cpuid buffer size
Use the existing PMC_CPUID_LEN to size pmc_cpuid in the kernel and various
buffers for reading it in libpmc.  This avoids some extra syscalls and
malloc/frees.

While in here, use strlcpy to copy a user-provided cpuid string instead of
memcpy, to make sure we terminate the buffer.

Reviewed by:	mav
MFC after:	1 week
Sponsored by:	iXsystems, Inc.
Differential Revision:	https://reviews.freebsd.org/D25679
2020-07-28 02:56:26 +00:00
Ed Maste
0d2c19d05b libmd: temporarily disable optimized assembly skein1024 implementation
It is apparently broken when assembled by contemporary GNU as as well as
Clang IAS (which is used in the default configuration).

PR:		248221
Reported by:	pizzamig
Sponsored by:	The FreeBSD Foundation
2020-07-23 18:55:47 +00:00
Gordon Bergling
9af25ea3bb geli(8): Add missing commands in the EXAMPLES section
- Add a missing 'geli attach' command
- Fix the passphrase prompt for a 'geli attach' command

Reported by:	Fabian Keil <freebsd-listen at fabiankeil dot de>
Reviewed by:	bcr (mentor)
Approved by:	bcr (mentor)
Differential Revision:	https://reviews.freebsd.org/D25761
2020-07-22 13:00:56 +00:00
Kyle Evans
9d6d8bf8c7 libbe: annotate lbh as __unused in be_is_auto_snapshot_name
lbh is included for consistency with other functions and in case
future work needs to use it, but it is currently unused. Mark it,
and a post-OpenZFS-import world will be able to raise WARNS of
libbe to the default (pending some minor changes to openzfs libzfs).

MFC after:	3 days
2020-07-22 02:09:10 +00:00
Dimitry Andric
716df522b8 Merge llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and openmp
10.0.1 final (aka llvmorg-10.0.1-0-gef32c611aa2).

There were no changes since rc2, except in the upstream regression
tests, which we do not ship.

Relnotes:	yes
MFC after:	immediately (no material changes except tag)
2020-07-21 17:34:05 +00:00
Alan Somers
e3f1731aec [skip ci] document close_range(2) as async-signal-safe
Reviewed by:	bcr (manpages)
MFC after:	2 weeks
Sponsored by:	Axcient
Differential Revision:	https://reviews.freebsd.org/D25513
2020-07-21 16:46:40 +00:00
Gordon Bergling
fcc9702f05 geli(8): Add an example on how to use geli(8) with a file as encrypted storage
Reviewed by:	bcr (mentor)
Approved by:	bcr (mentor)
MFC after:	1 week
Differential Revision:	https://reviews.freebsd.org/D25741
2020-07-20 13:24:50 +00:00
Simon J. Gerraty
f2be828f97 Revert that! 2020-07-19 23:56:19 +00:00
Simon J. Gerraty
e17f5b1d30 Oops missed Makefile.config 2020-07-19 23:54:00 +00:00
John Baldwin
0bfad43298 Include ABI note tag in shared libraries.
Split the ELF feature note into a separate file that is linked into
*crt1.o the same as crtbrand.S was before.  crtbrand.o is now linked
into crti.o on all platforms in addition to *crt1.o.

Reviewed by:	kib
Sponsored by:	DARPA
Differential Revision:	https://reviews.freebsd.org/D25304
2020-07-16 21:58:43 +00:00
Gregory Neil Shapiro
5b0945b570 Merge sendmail 8.16.1 to HEAD: See contrib/sendmail/RELEASE_NOTES for details
Includes build infrastructure & config updates required for changes in 8.16.1

MFC after:	5 days
2020-07-15 18:28:54 +00:00
Alex Richardson
7425ce4b54 Remove warning that is no longer accurate after r361853
We now build the skein assembly with clangs integrated assembler.

Reviewed By:	emaste
Differential Revision: https://reviews.freebsd.org/D25664
2020-07-15 17:24:34 +00:00
Brooks Davis
7a61fe3a30 Don't imply that all action values can be OR'd.
This is neither POSIX compliant nor what the implementation does.
This could be allowed by changing the value of TCSAFLUSH from 2 to 3,
but that doesn't seem worthwhile after 25+ years.

Reviewed by:	imp
MFC after:	1 week
Sponsored by:	DARPA
Differential Revision:	https://reviews.freebsd.org/D25659
2020-07-15 17:05:37 +00:00
Alex Richardson
a9ea004745 Avoid rebuilding libpmc in every incremental rebuild
Generate libpmc_events.c in a temporary file first and only overwrite it
if the files are actually different.
This avoids compiling and relinking the different variants of libpmc on
every incremental build.

Reviewed By:	jhb
Differential Revision: https://reviews.freebsd.org/D24784
2020-07-15 12:07:47 +00:00
Mateusz Guzik
f1221c59d7 libprocstat: fix kvm filedesc access after introduction of fdescenttbl 2020-07-15 10:13:23 +00:00
Alexander Motin
1791cad0a9 Add stepping to the kern.hwpmc.cpuid string on x86.
It follows the equivalent Linux change to be able to differentiate
skylakex and cascadelakex, sharing the same model but not stepping.

This fixes skylakex handling broken by r363144.

MFC after:	6 days
2020-07-14 18:11:05 +00:00
Li-Wen Hsu
1f4e879031 Revert r351416 to let lib.libc.gen.getmntinfo_test.getmntinfo_test get more test
This is supposed to be fixed by r363068

PR:		240049
Sponsored by:	The FreeBSD Foundation
2020-07-13 18:19:02 +00:00
Alexander Motin
48daf25193 Update AMD Zen1 and add Zen2 events mapping.
MFC after:	2 weeks
2020-07-13 16:23:02 +00:00
Gordon Bergling
e7677232d6 lseek(2): Document the seek behavior better and update the POSIX compliance
In certain situations lseek(2) will return successful although if no seek
was performed. This can happen when operating on devices that don't support
seeking (older tape drives) or when operating on changeable media devices
(such as DVD or Blu-ray devices) without a medium inserted.

Document this within the man page and update the POSIX compliance while here.

PR:		162765
Submitted by:	arundel@
Reported by:	arundel@
Reviewed by:	bcr (mentor)
Approved by:	bcr (mentor)
MFC after:	1 week
Differential Revision:	https://reviews.freebsd.org/D25646
2020-07-13 15:52:57 +00:00
Gordon Bergling
e4d47f45eb gethostname(3): Correct the reference of the undefined value HOST_NAME_MAX
PR:		143472
Submitted by:	bcran@
Reported by:	Jeremy Huddleston <jeremyhu at apple dot com>
Reviewed by:	bcr (mentor)
Approved by:	bcr (mentor)
MFC after:	1 week
Differential Revision:	https://reviews.freebsd.org/D25647
2020-07-13 15:17:29 +00:00
Alexander Motin
eab56f7f65 Minor textual fixes.
MFC after:	1 week
2020-07-13 14:25:25 +00:00
Allan Jude
0e3972bc19 procctl(2): consistently refer to the last agrument as 'data'
Some older references called it 'arg'

Also fix a syntax error that was underlining an entire sentence.

PR:		247386
Reported by:	Paul Floyd <paulf@free.fr>, PauAmma (research)
MFC after:	2 weeks
Sponsored by:	Klara Inc.
2020-07-11 18:04:09 +00:00
Kyle Evans
423a033ba7 memfd_create: turn on SHM_GROW_ON_WRITE
memfd_create fds will no longer require an ftruncate(2) to set the size;
they'll grow (to the extent that it's possible) upon write(2)-like syscalls.

Reviewed by:	kib
Differential Revision:	https://reviews.freebsd.org/D25502
2020-07-10 00:45:16 +00:00
Mark Johnston
fe59cb6ba2 Apply the logic from r363051 to semctl(2) and __sem_base field.
Reported by:	Jeffball <jeffball@grimm-co.com>
MFC after:	1 week
Sponsored by:	The FreeBSD Foundation
Differential Revision:	https://reviews.freebsd.org/D25600
2020-07-09 18:34:54 +00:00
Mark Johnston
f4f16af1d3 Avoid copying out kernel pointers from msgctl(IPC_STAT).
While this behaviour is harmless, it is really just an artifact of the
fact that the msgctl(2) implementation uses a user-visible structure as
part of the internal implementation, so it is not deliberate and these
pointers are not useful to userspace.  Thus, NULL them out before
copying out, and remove references to them from the manual page.

Reported by:	Jeffball <jeffball@grimm-co.com>
Reviewed by:	emaste, kib
MFC after:	1 week
Sponsored by:	The FreeBSD Foundation
Differential Revision:	https://reviews.freebsd.org/D25600
2020-07-09 17:26:49 +00:00
Alfredo Dal'Ava Junior
537976d190 test: add libkvm read test
This test checks if value received from kvm_read is sane, based on
value returned by sysctl interface.

This should catch regression on bug fixed by r359160

Reviewed by:	jhb
Approved by:	jhibbits (mentor)
MFC after:	1 week
Sponsored by:	Eldorado Research Institute (eldorado.org.br)
Differential Revision:	https://reviews.freebsd.org/D23783
2020-07-08 18:58:44 +00:00
John Baldwin
bd25b3408e Invoke objcopy on the right object when building Scrt1.o on i386.
This was a copy-paste bug in r362902.  While here, switch to using
${.TARGET}.

Reported by:	Kjell Tore Ullavik <ktullavik@gmail.com>
Reviewed by:	kib
Sponsored by:	DARPA
Differential Revision:	https://reviews.freebsd.org/D25585
2020-07-07 18:19:05 +00:00
Mitchell Horne
10aabc8b83 libefivar: define MDE_CPU_RISCV64
The necessary definitions from EDK2 are present, so this allows the
library to be built on RISC-V.
2020-07-06 17:47:29 +00:00
Mateusz Piotrowski
bd93bdc9b6 Clean up cam.3
- Add a missing Pp [1]
- Remove uses of Tn
- Use "Xr open 2" when appropriate

PR:		247783 [1]
Submitted by:	PauAmma <pauamma@gundo.com> [1]
MFC after:	3 days
2020-07-06 09:53:00 +00:00
John Baldwin
b0ee263dbd Consolidate duplicated logic in csu Makefiles to lib/csu/Makefile.inc.
Reviewed by:	kib
Sponsored by:	DARPA
Differential Revision:	https://reviews.freebsd.org/D25537
2020-07-03 00:09:41 +00:00