s/SYS_MAXSYSARGS/LINUX_SYS_MAXSYSARGS/

Add prctl(2) lwp_{g,s}etname for compat linux (Kevin Bloom)

remove unimpl

one more

Linux GSoC-2024: renameat2, clone3, sync_file_range, syncfs (Shivraj Jamgade)

Add linux POSIX message queue support (Ricardo Branco)

branches: 1.80.2;
From gsoc 2024: Implement faccessat2 and getcpu (Shivraz)

Add inotify* syscalls GSoC 2023 (Theodore Preduta)

Add linux waitid(2) from GSoC 2023 (Theodore Preduta)

Add/fix statx, readahead, close_range. From GSoC 2023 by Theodore Preduta

add epoll syscalls

add prlimit64(2) syscall to COMPAT_LINUX and COMPAT_LINUX32

add getrandom(2) syscall entry

Add preadv(2) and pwritev(2) system calls to COMPAT_LINUX and COMPAT_LINUX32.

Add the eventfd system calls to COMPAT_LINUX and COMPAT_LINUX32.

Add the timerfd syscalls to COMPAT_LINUX and COMPAT_LINUX32.

Add the POSIX timer syscalls (timer_create(), timer_settime(), timer_gettime(),
timer_getoverrun(), and timer_delete()) to COMPAT_LINUX and COMPAT_LINUX32.

branches: 1.69.2;
Add a NetBSD native futex implementation, mostly written by riastradh@.
Map the COMPAT_LINUX futex calls to the native ones.

add dummy implementation of linux fallocate() which just returns EOPNOTSUPP;
this is needed so that glibc falls back to emulation and apps behaving
properly, since EOPNOTSUPP is a documented and expected return code, but
ENOSYS is not

right now there are no filesystems in NetBSD tree supporting the fallocate
VOP, so no point trying to map this to a native call

supposed to help with problem reported in
https://mail-index.netbsd.org/tech-kern/2019/11/03/msg025641.html

branches: 1.67.14;
add send recv mmsg and unimpl
XXX: fix base?

Add accept4 definitions

branches: 1.65.2;
Add pselect6 Linux system call.
This lets Matlab R2016A run on NetBSD/amd64

Small cleanup. Adjust readlink/readlinkat signatures to reduce diffs with
native.

branches: 1.63.2;
Fix inconsistent argument names

branches: 1.62.2;
Fix ppoll signature (int ->u_int)

branches: 1.61.2;
Fix munmap(2) signature.

For utimes(2), use compat_50_sys_utimes() instead of local version.

Fix getgroups/setgroups signature.

Fix fadvise64 syscalls to use 64bit offset types.

Reduce diffs between archs; make mknod device argument unsigned.

Fix pread/pwrite syscalls which need a 64bit offset argument.

Adjust read/write/readv/writev signature to match native versions.

branches: 1.54.2;
Sprinkle a few more linux_umode_t where appropriate.
Reduce diffs between archs.

add the *at() syscalls.

Fix dup/dup2/dup3 argument types (u_int -> int).

Add utimensat(2) for compat linux.

branches: 1.50.4;
support utimes on non-alpha linux platforms

emulate ppoll which is essentially our pollts

branches: 1.48.10;
add sigtimedwait

branches: 1.47.2;
the first argument of {g,s}etitimer() is int not u_int.

Add fadvise64 and fadvise64_64 syscalls to compat_linux and compat_linux32.

Add dup3() and pipe2() for these archs as well.

branches: 1.44.2;
many changes for COMPAT_LINUX:
- update the linux syscall table for each platform.
- support new-style (NPTL) linux pthreads on all platforms.
clone() with CLONE_THREAD uses 1 process with many LWPs
instead of separate processes.
- move the contents of sys__lwp_setprivate() into a new
lwp_setprivate() and use that everywhere.
- update linux_release[] and linux32_release[] to "2.6.18".
- adjust placement of emul fork/exec/exit hooks as needed
and adjust other emul code to match.
- convert all struct emul definitions to use named initializers.
- change the pid allocator to allow multiple pids to refer to the same proc.
- remove a few fields from struct proc that are no longer needed.
- disable the non-functional "vdso" code in linux32/amd64,
glibc works fine without it.
- fix a race in the futex code where we could miss a wakeup after
a requeue operation.
- redo futex locking to be a little more efficient.

branches: 1.43.2; 1.43.4;
Update personality(2) to match Linux definition where the argument is an
unsigned long.

Update rt_queueinfo(2) definition, and kill a corresponding comment.

branches: 1.41.2;
Convert linux/linux32 wait(4) to use a compat50 rusage structure.

Update some syscalls/arguments to use the new compat50 equivalents.

Convert the syscalls.master to a format from which it is easier
to parse and generate the compat name and basename (e.g. __stat50
and stat). Use this to autogenerate __RENAME()'s to the rump_syscalls
header so that they can be called e.g. rump_sys_socket() instead
of rump_sys___socket30().

actually commit syscalls.master this time
add back blank line between #include <sys/.. and #include <sys/compat/..
regen

Make the emulations, exec formats, coredump, NFS, and the NFS server
into modules. By and large this commit:

- shuffles header files and ifdefs
- splits code out where necessary to be modular
- adds module glue for each of the components
- adds/replaces hooks for things that can be installed at runtime

Fix nanosleep(2) on 64-bit archs. Do not call native nanosleep
syscall, but rather a modified version the will take care of `struct
timespec' conversions.

branches: 1.35.2; 1.35.4; 1.35.8; 1.35.10; 1.35.12;
-SYCALL_MPSAFE

branches: 1.34.2;
Cleanup. Kill linux_sys_msync and use sys___msync13 instead.
No functional changes expected.

branches: 1.33.6;
compat linux (and linux32) uid16 functions cleanup and fixes.

- Move uid16 functions to their own file linux_uid16.c, included by
needed archs (arm, i386 and m68k).
- Add new MI types linux_{u,g}id16_t.
- Add macros to handle linux_uid16_t and uid_t conversions.
- Add linux_sys_getres{uid,gid}16 syscalls, to fix an overflow with
bad sizes given to copyout when linux_sys_getres{uid,gid} are used.
- Update arm syscall table to use more uid16 functions.

Kill unneeded linux_sys_getpgid and use native sys_getpgid instead.

- Fix setfsuid to return uid on success.
- Replace getfsuid, which never existed on Linux, by correct setfsgid
syscall.

ok by christos and dsl.

Convert all the system call entry points from:
int foo(struct lwp *l, void *v, register_t *retval)
to:
int foo(struct lwp *l, const struct foo_args *uap, register_t *retval)
Fixup compat code to not write into 'uap' and (in some cases) to actually
pass a correctly formatted 'uap' structure with the right name to the
next routine.
A few 'compat' routines that just call standard ones have been deleted.
All the 'compat' code compiles (along with the kernels required to test
build it).
98% done by automated scripts.

branches: 1.29.2; 1.29.6;
Cleanup. Remove a few linux syscalls definitions, now identical to
native ones (with stackgap and ALT_CHECK_xxx removal). No functional
changes expected.

branches: 1.28.14; 1.28.16; 1.28.20; 1.28.22;
Kill caddr_t; there will be some MI fallout, but it will be fixed shortly.

branches: 1.27.2;
Merge newlock2 to head.

branches: 1.26.2;
Don't conditionalize *sys_ptrace. The lack of sys_ptrace will be dealt
with differently.

Update to deal with options PTRACE

linux getpriority is off-by-20 so use our own function.
From PR/33671: Nicolas Joly

branches: 1.23.4; 1.23.8; 1.23.14;
merge ktrace-lwp.

branches: 1.22.2;
Add clock_* POSIX functions.

Add *xattr functions (they all return EOPNOTSUPP).

nuke trailing whitespace

branches: 1.19.4; 1.19.6;
implement support for Linux statfs64() syscall - 64bit variant of statfs()

implement basic exit_group(2), which just terminates calling thread;
apparently not many apps use thread groups yet, at least not with default
SuSE 9.1 libraries, so this is enough for now

add stub entries for syscalls added until Linux kernel 2.6.7

move the ARM-specific syscall range up to offset 0x180, to make room
for the new syscalls

connect madvise(2) and mincore(2) - apparently the newer Linux libs
don't stub it anymore, so allow the application to take advantage
of them

the Linux calls appear to be compatible in the flag values and semantics,
so a wrapper is not necessary

add Linux compat arg wrapper for ftruncate64(), and change linux compat
truncate64() wrapper to translate args structure
NetBSD truncate() and ftrucate() have hidden 'pad' argument, so we have
to do the argument translation

Problem found and patch supplied in PR kern/22360 by Ales Krenek

This is the last of syscalls with hidden 'pad' arg we didn't have
wrapper for; all the others (lseek, mmap, pwrite, pread) already had
wrapper before.

branches: 1.14.2;
Need to include linux_mmap.h to get size of struct linux_sys_mmap2_args.

PR/21937: Todd Vierling: Proper support for mmap2

Merge the nathanw_sa branch.

branches: 1.11.4;
hook in remaining 64bit fs syscalls
make most of stuff in linux_file64.c available unconditionally,
with exception of fcntl64, which is not present on Linux m68k

add getdents64

nuke mmap2 add mprotect

branches: 1.8.2;
getrlimit and setrlimit now have Linux-specific implementations. Use them.

- add a real linux_sys___sysctl because the mib numbers are different.
implement only the kernel version getting entries.
- make the signal conversion functions consistent; dest is arg 1.
- make linux_fakedev deal with block and char devices differently.
- add linux_sys_ugetrlimit, and flesh out the regular get/setrlimit so
that they work properly.
- add linux_mmap2 [untested].
- bump kernel to 2.4.18, and make the date be valentine's day :-)
- linux_sys_*stat64 family was totally busted. Fix it.

tested only on i386.

Status:
gdb, telnet, work
jdk-1.4.0 extractor works, jdk still coredumps.

christos

branches: 1.6.2;
Add support for breakpoints to ARMLinux emulation.

Make syscall 0 an explicit call of linux_sys_nosys, as it is on i386. This
is necessary to get a prototype for linux_sys_nosys generated in syscallargs.h.

Syscall 0 isn't syscall() on ARMLinux. Mark it UNIMPL instead.

Add support for the ARM-specific syscalls in ARMLinux. These are invoked
by SWI numbers above 0x9f0000, but we re-map them down to somewhere just
after the end of the usual syscall range, since NetBSD doesn't handle
sparse syscall arrays well.

The only syscall I've actually implemented in this range is cacheflush(),
which was previously being mapped to fork(), causing ... interesting results.

Shuffle uname calls around. It turns out we don't use the same names as
Linux does, so:
sys_olduname -> linux_sys_oldolduname
sys_uname -> linux_sys_olduname
sys_newuname -> linux_sys_uname

Crude first cut at ARMLinux binary compatibility. Successfully runs
"/emul/linux/bin/echo hello, world", dynamically linked.