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ok deraadt@ claudio@
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the latter supporting the ability to get timestamp resolution of
symlinks.
ok deraadt@ millert@
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for it.
ok tb
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(not used yet, because the pinsyscall changes are still being worked on)
ok kettenis
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it is a dangerous alternative entry point for all system calls, and thus
incompatible with the precision system call entry point scheme we are
heading towards. This has been a 3-year mission:
First perl needed a code-generated wrapper to fake syscall(2) as a giant
switch table, then all the ports were cleaned with relatively minor fixes,
except for "go". "go" required two fixes -- 1) a framework issue with
old library versions, and 2) like perl, a fake syscall(2) wrapper to
handle ioctl(2) and sysctl(2) because "syscall(SYS_ioctl" occurs all over
the place in the "go" ecosystem because the "go developers" are plan9-loving
unix-hating folk who tried to build an ecosystem without allowing "ioctl".
ok kettenis, jsing, afresh1, sthen
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No base usage yet, only efivar(1) from sysutils/efivar.
OK guenther
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For/OK guenther
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[-p pid] requires knowing the PIDs beforehand, sieving through big
dumps by argv[0] strings is more ergonomic.
OK deraadt
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Also add a note to the respective section in kdump.1, ktrace.1, and
ltrace.1 to keep in sync with each other; suggested by schwarze@.
ok deraadt@ schwarze@
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OK guenther@
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Add timer precision flags NOTE_SECONDS, NOTE_MSECONDS, NOTE_USECONDS
and NOTE_NSECONDS for EVFILT_TIMER. Also, add an initial implementation
of NOTE_ABSTIME timers.
Similar kevent(2) flags exist on FreeBSD, NetBSD and XNU.
Initial diff by and OK aisha@
OK mpi@
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malloc (leak) dump fucntion. ok semarie@
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arguments to mmap) because it was using syscall(2) and that callpath
is invisible in ktrace. make it visible, it will now show "(via syscall)"
and such.
ok guenther
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waitid(2) and __thrsigdivert(2) and teach kdump(1) to handle them.
Also report more from the siginfo_t inside PSIG tracepoints.
ok mpi@
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ypconnect, and __tmpfd. Reorder several other syscalls to match
the order in syscalls.master
ok deraadt@
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Add mimmutable(2) to report like munmap(2)
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Input guenther@
OK bluhm@
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ok jmc@ schwarze@
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ok guenther
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from sys/param.h include lines, or remove the include lines entirely if
it this was the least requirement.
ok millert
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And thus, sys/param.h is not needed either.
ok millert
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Switch libc and ld.so to the generic stubs for these calls.
WARNING: reboot to updated kernel before installing libc or ld.so!
Time for a story...
When gcc (back in 1.x days) first implemented long long, it didn't (always)
pass 64bit arguments in 'aligned' registers/stack slots, with the result that
argument offsets didn't match structure offsets. This affected the nine system
calls that pass off_t arguments:
ftruncate lseek mmap mquery pread preadv pwrite pwritev truncate
To avoid having to do custom ASM wrappers for those, BSD put an explicit pad
argument in so that the off_t argument would always start on a even slot and
thus be naturally aligned. Thus those odd wrappers in lib/libc/sys/ that use
__syscall() and pass an extra '0' argument.
The ABIs for different CPUs eventually settled how things should be passed on
each and gcc 2.x followed them. The only arch now where it helps is landisk,
which needs to skip the last argument register if it would be the first half of
a 64bit argument. So: add new syscalls without the pad argument and on landisk
do that skipping directly in the syscall handler in the kernel. Keep compat
support for the existing syscalls long enough for the transition.
ok deraadt@
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which must be manually included in userland were missing
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fails to report the path that the failure occured on. Suggested by
deraadt@ after some tech discussion.
Work done and verified by Ashton Fagg <ashton@fagg.id.au>
ok deraadt@ semarie@ claudio@
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In the case of FUTEX_WAKE a number of woken threads is returned.
ok guenther@
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OK deraadt@
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gilles@
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that was spotted by deraadt@;
OK deraadt@ jmc@
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about shared resources which no program should see. only a few pieces of
software use it, generally poorly thought out. they are being fixed, so
mincore() can be deleted.
ok guenther tedu jca sthen, others
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ok kn
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extra check for a truncated cmsghdr needs to be done since the embeded
lenght may be longer than the supplied buffer (MSG_CTRUNC case).
OK deraadt@
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handler; ok guenther@
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ok otto@
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ktrace.out unless argument -f is used. We can just unveil(2) that file with read
permissions before the pledge(2) call.
OK deraadt@
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This brings unveil into the tree, disabled by default - Currently
this will return EPERM on all attempts to use it until we are
fully certain it is ready for people to start using, but this
now allows for others to do more tweaking and experimentation.
Still needs to send the unveil's across forks and execs before
fully enabling.
Many thanks to robert@ and deraadt@ for extensive testing.
ok deraadt@
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