bsd-user: Add stubs for vadvise(), sbrk() and sstk()

The above system calls are not supported by qemu.

Signed-off-by: Warner Losh <imp@bsdimp.com>
Signed-off-by: Karim Taha <kariem.taha2.7@gmail.co

bsd-user: Add stubs for vadvise(), sbrk() and sstk()

The above system calls are not supported by qemu.

Signed-off-by: Warner Losh <imp@bsdimp.com>
Signed-off-by: Karim Taha <kariem.taha2.7@gmail.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230925182709.4834-24-kariem.taha2.7@gmail.com>

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bsd-user: Implement shmat(2) and shmdt(2)

Use `WITH_MMAP_LOCK_GUARD` instead of mmap_lock() and mmap_unlock(),
to match linux-user implementation, according to the following commits:

69fa2708a216df

bsd-user: Implement shmat(2) and shmdt(2)

Use `WITH_MMAP_LOCK_GUARD` instead of mmap_lock() and mmap_unlock(),
to match linux-user implementation, according to the following commits:

69fa2708a216df715ba5102a0f98468b540a464e linux-user: Use WITH_MMAP_LOCK_GUARD in target_{shmat,shmdt}
ceda5688b650646248f269a992c06b11148c5759 linux-user: Fix shmdt

Signed-off-by: Stacey Son <sson@FreeBSD.org>
Signed-off-by: Karim Taha <kariem.taha2.7@gmail.com>
Message-Id: <20230925182709.4834-23-kariem.taha2.7@gmail.com>

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bsd-user: Implement shmctl(2)

Signed-off-by: Stacey Son <sson@FreeBSD.org>
Signed-off-by: Karim Taha <kariem.taha2.7@gmail.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-

bsd-user: Implement shmctl(2)

Signed-off-by: Stacey Son <sson@FreeBSD.org>
Signed-off-by: Karim Taha <kariem.taha2.7@gmail.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230925182709.4834-22-kariem.taha2.7@gmail.com>

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bsd-user: Implement shm_unlink(2) and shmget(2)

Signed-off-by: Stacey Son <sson@FreeBSD.org>
Signed-off-by: Karim Taha <kariem.taha2.7@gmail.com>
Reviewed-by: Warner Losh <imp@bsdimp.com>
Reviewed-b

bsd-user: Implement shm_unlink(2) and shmget(2)

Signed-off-by: Stacey Son <sson@FreeBSD.org>
Signed-off-by: Karim Taha <kariem.taha2.7@gmail.com>
Reviewed-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230925182709.4834-21-kariem.taha2.7@gmail.com>

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bsd-user: Implement shm_open(2)

Co-authored-by: Kyle Evans <kevans@FreeBSD.org>

Signed-off-by: Stacey Son <sson@FreeBSD.org>
Signed-off-by: Kyle Evans <kevans@FreeBSD.org>
Signed-off-by: Karim Taha

bsd-user: Implement shm_open(2)

Co-authored-by: Kyle Evans <kevans@FreeBSD.org>

Signed-off-by: Stacey Son <sson@FreeBSD.org>
Signed-off-by: Kyle Evans <kevans@FreeBSD.org>
Signed-off-by: Karim Taha <kariem.taha2.7@gmail.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230925182709.4834-20-kariem.taha2.7@gmail.com>

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bsd-user: Implement do_obreak function

Match linux-user, by manually applying the following commits, in order:

d28b3c90cfad1a7e211ae2bce36ecb9071086129 linux-user: Make sure initial brk(0) is pag

bsd-user: Implement do_obreak function

Match linux-user, by manually applying the following commits, in order:

d28b3c90cfad1a7e211ae2bce36ecb9071086129 linux-user: Make sure initial brk(0) is page-aligned
15ad98536ad9410fb32ddf1ff09389b677643faa linux-user: Fix qemu brk() to not zero bytes on current page
dfe49864afb06e7e452a4366051697bc4fcfc1a5 linux-user: Prohibit brk() to to shrink below initial heap address
eac78a4b0b7da4de2c0a297f4d528ca9cc6256a3 linux-user: Fix signed math overflow in brk() syscall
c6cc059eca18d9f6e4e26bb8b6d1135ddb35d81a linux-user: Do not call get_errno() in do_brk()
e69e032d1a8ee8d754ca119009a3c2c997f8bb30 linux-user: Use MAP_FIXED_NOREPLACE for do_brk()
cb9d5d1fda0bc2312fc0c779b4ea1d7bf826f31f linux-user: Do nothing if too small brk is specified
2aea137a425a87b930a33590177b04368fd7cc12 linux-user: Do not align brk with host page size

Signed-off-by: Stacey Son <sson@FreeBSD.org>
Signed-off-by: Karim Taha <kariem.taha2.7@gmail.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230925182709.4834-19-kariem.taha2.7@gmail.com>

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bsd-user: Implement mincore(2)

Signed-off-by: Stacey Son <sson@FreeBSD.org>
Signed-off-by: Karim Taha <kariem.taha2.7@gmail.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message

bsd-user: Implement mincore(2)

Signed-off-by: Stacey Son <sson@FreeBSD.org>
Signed-off-by: Karim Taha <kariem.taha2.7@gmail.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230925182709.4834-18-kariem.taha2.7@gmail.com>

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bsd-user: Implment madvise(2) to match the linux-user implementation.

Signed-off-by: Karim Taha <kariem.taha2.7@gmail.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <

bsd-user: Implment madvise(2) to match the linux-user implementation.

Signed-off-by: Karim Taha <kariem.taha2.7@gmail.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230925182709.4834-17-kariem.taha2.7@gmail.com>

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bsd-user: Implement mlock(2), munlock(2), mlockall(2), munlockall(2), minherit(2)

Signed-off-by: Stacey Son <sson@FreeBSD.org>
Signed-off-by: Karim Taha <kariem.taha2.7@gmail.com>
Reviewed-by: Richa

bsd-user: Implement mlock(2), munlock(2), mlockall(2), munlockall(2), minherit(2)

Signed-off-by: Stacey Son <sson@FreeBSD.org>
Signed-off-by: Karim Taha <kariem.taha2.7@gmail.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230925182709.4834-16-kariem.taha2.7@gmail.com>

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bsd-user: Implement msync(2)

Co-authored-by: Kyle Evans <kevans@FreeBSD.org>
Signed-off-by: Stacey Son <sson@FreeBSD.org>
Signed-off-by: Kyle Evans <kevans@FreeBSD.org>
Signed-off-by: Karim Taha <ka

bsd-user: Implement msync(2)

Co-authored-by: Kyle Evans <kevans@FreeBSD.org>
Signed-off-by: Stacey Son <sson@FreeBSD.org>
Signed-off-by: Kyle Evans <kevans@FreeBSD.org>
Signed-off-by: Karim Taha <kariem.taha2.7@gmail.com>
Reviewed-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230925182709.4834-15-kariem.taha2.7@gmail.com>

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bsd-user: Implement mprotect(2)

Signed-off-by: Stacey Son <sson@FreeBSD.org>
Signed-off-by: Karim Taha <kariem.taha2.7@gmail.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Review

bsd-user: Implement mprotect(2)

Signed-off-by: Stacey Son <sson@FreeBSD.org>
Signed-off-by: Karim Taha <kariem.taha2.7@gmail.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Warner Losh <imp@bsdimp.com>
Message-Id: <20230925182709.4834-14-kariem.taha2.7@gmail.com>

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bsd-user: Implement mmap(2) and munmap(2)

Signed-off-by: Stacey Son <sson@FreeBSD.org>
Signed-off-by: Karim Taha <kariem.taha2.7@gmail.com>
Reviewed-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Ric

bsd-user: Implement mmap(2) and munmap(2)

Signed-off-by: Stacey Son <sson@FreeBSD.org>
Signed-off-by: Karim Taha <kariem.taha2.7@gmail.com>
Reviewed-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230925182709.4834-13-kariem.taha2.7@gmail.com>

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bsd-user: Introduce bsd-mem.h to the source tree

Preserve the copyright notice and help with the 'Author' info for
subsequent changes to the file.

Signed-off-by: Stacey Son <sson@FreeBSD.org>
Signe

bsd-user: Introduce bsd-mem.h to the source tree

Preserve the copyright notice and help with the 'Author' info for
subsequent changes to the file.

Signed-off-by: Stacey Son <sson@FreeBSD.org>
Signed-off-by: Karim Taha <kariem.taha2.7@gmail.com>
Reviewed-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230925182709.4834-12-kariem.taha2.7@gmail.com>

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bsd-user: Implement target_set_brk function in bsd-mem.c instead of os-syscall.c

The definitions and variables names matches the corresponding ones in
linux-user/syscall.c, for making later implemen

bsd-user: Implement target_set_brk function in bsd-mem.c instead of os-syscall.c

The definitions and variables names matches the corresponding ones in
linux-user/syscall.c, for making later implementation of do_obreak easier

Co-authored-by: Mikaël Urankar <mikael.urankar@gmail.com>
Signed-off-by: Mikaël Urankar <mikael.urankar@gmail.com>
Signed-off-by: Karim Taha <kariem.taha2.7@gmail.com>
Reviewed-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230925182709.4834-9-kariem.taha2.7@gmail.com>

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bsd-user: Implement shm_rename(2) system call

Signed-off-by: Kyle Evans <kevans@FreeBSD.org>
Signed-off-by: Karim Taha <kariem.taha2.7@gmail.com>
Reviewed-by: Richard Henderson <richard.henderson@li

bsd-user: Implement shm_rename(2) system call

Signed-off-by: Kyle Evans <kevans@FreeBSD.org>
Signed-off-by: Karim Taha <kariem.taha2.7@gmail.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Warner Losh <imp@bsdimp.com>
Message-Id: <20230925182709.4834-7-kariem.taha2.7@gmail.com>

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bsd-user: Implement shm_open2(2) system call

Signed-off-by: Kyle Evans <kevans@FreeBSD.org>
Signed-off-by: Karim Taha <kariem.taha2.7@gmail.com>
Reviewed-by: Richard Henderson <richard.henderson@lin

bsd-user: Implement shm_open2(2) system call

Signed-off-by: Kyle Evans <kevans@FreeBSD.org>
Signed-off-by: Karim Taha <kariem.taha2.7@gmail.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230925182709.4834-6-kariem.taha2.7@gmail.com>

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bsd-user: Implement pdfork(2) system call.

Signed-off-by: Stacey Son <sson@FreeBSD.org>
Signed-off-by: Karim Taha <kariem.taha2.7@gmail.com>
Acked-by: Richard Henderson <richard.henderson@linaro.org

bsd-user: Implement pdfork(2) system call.

Signed-off-by: Stacey Son <sson@FreeBSD.org>
Signed-off-by: Karim Taha <kariem.taha2.7@gmail.com>
Acked-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Warner Losh <imp@bsdimp.com>
Message-Id: <20230925182425.3163-29-kariem.taha2.7@gmail.com>

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bsd-user: Implement rfork(2) system call.

Signed-off-by: Stacey Son <sson@FreeBSD.org>
Signed-off-by: Karim Taha <kariem.taha2.7@gmail.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.o

bsd-user: Implement rfork(2) system call.

Signed-off-by: Stacey Son <sson@FreeBSD.org>
Signed-off-by: Karim Taha <kariem.taha2.7@gmail.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Warner Losh <imp@bsdimp.com>
Message-Id: <20230925182425.3163-28-kariem.taha2.7@gmail.com>

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bsd-user: Implement fork(2) and vfork(2) system calls.

Signed-off-by: Stacey Son <sson@FreeBSD.org>
Signed-off-by: Karim Taha <kariem.taha2.7@gmail.com>
Reviewed-by: Richard Henderson <richard.hende

bsd-user: Implement fork(2) and vfork(2) system calls.

Signed-off-by: Stacey Son <sson@FreeBSD.org>
Signed-off-by: Karim Taha <kariem.taha2.7@gmail.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Warner Losh <imp@bsdimp.com>
Message-Id: <20230925182425.3163-27-kariem.taha2.7@gmail.com>

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bsd-user: Implement pdgetpid(2) and the undocumented setugid.

Signed-off-by: Stacey Son <sson@FreeBSD.org>
Signed-off-by: Karim Taha <kariem.taha2.7@gmail.com>
Reviewed-by: Richard Henderson <richar

bsd-user: Implement pdgetpid(2) and the undocumented setugid.

Signed-off-by: Stacey Son <sson@FreeBSD.org>
Signed-off-by: Karim Taha <kariem.taha2.7@gmail.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Warner Losh <imp@bsdimp.com>
Message-Id: <20230925182425.3163-26-kariem.taha2.7@gmail.com>

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bsd-user: Implement setloginclass(2) and getloginclass(2) system calls.

Signed-off-by: Stacey Son <sson@FreeBSD.org>
Signed-off-by: Karim Taha <kariem.taha2.7@gmail.com>
Reviewed-by: Warner Losh <im

bsd-user: Implement setloginclass(2) and getloginclass(2) system calls.

Signed-off-by: Stacey Son <sson@FreeBSD.org>
Signed-off-by: Karim Taha <kariem.taha2.7@gmail.com>
Reviewed-by: Warner Losh <imp@bsdimp.com>
Message-Id: <20230925182425.3163-25-kariem.taha2.7@gmail.com>

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bsd-user: Implement wait4(2) and wait6(2) system calls.

Signed-off-by: Stacey Son <sson@FreeBSD.org>
Signed-off-by: Karim Taha <kariem.taha2.7@gmail.com>
Reviewed-by: Warner Losh <imp@bsdimp.com>
Me

bsd-user: Implement wait4(2) and wait6(2) system calls.

Signed-off-by: Stacey Son <sson@FreeBSD.org>
Signed-off-by: Karim Taha <kariem.taha2.7@gmail.com>
Reviewed-by: Warner Losh <imp@bsdimp.com>
Message-Id: <20230925182425.3163-24-kariem.taha2.7@gmail.com>

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bsd-user: Implement execve(2) and fexecve(2) system calls.

Signed-off-by: Stacey Son <sson@FreeBSD.org>
Signed-off-by: Karim Taha <kariem.taha2.7@gmail.com>
Reviewed-by: Richard Henderson <richard.h

bsd-user: Implement execve(2) and fexecve(2) system calls.

Signed-off-by: Stacey Son <sson@FreeBSD.org>
Signed-off-by: Karim Taha <kariem.taha2.7@gmail.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Warner Losh <imp@bsdimp.com>
Message-Id: <20230925182425.3163-23-kariem.taha2.7@gmail.com>

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bsd-user: Implement procctl(2) along with necessary conversion functions.

Implement t2h_procctl_cmd, h2t_reaper_status, h2t_reaper_pidinfo and h2t/t2h reaper_kill conversion functions.

Signed-off-b

bsd-user: Implement procctl(2) along with necessary conversion functions.

Implement t2h_procctl_cmd, h2t_reaper_status, h2t_reaper_pidinfo and h2t/t2h reaper_kill conversion functions.

Signed-off-by: Stacey Son <sson@FreeBSD.org>
Signed-off-by: Karim Taha <kariem.taha2.7@gmail.com>
Reviewed-by: Warner Losh <imp@bsdimp.com>
Message-Id: <20230925182425.3163-22-kariem.taha2.7@gmail.com>

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bsd-user: Implement getpriority(2) and setpriority(2).

Signed-off-by: Stacey Son <sson@FreeBSD.org>
Signed-off-by: Karim Taha <kariem.taha2.7@gmail.com>
Reviewed-by: Warner Losh <imp@bsdimp.com>
Mes

bsd-user: Implement getpriority(2) and setpriority(2).

Signed-off-by: Stacey Son <sson@FreeBSD.org>
Signed-off-by: Karim Taha <kariem.taha2.7@gmail.com>
Reviewed-by: Warner Losh <imp@bsdimp.com>
Message-Id: <20230925182425.3163-19-kariem.taha2.7@gmail.com>

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