semctl on blackfin

System V semaphore control operations

sys_semctl(int semid, int semnum, int cmd, unsigned long arg)
number331 (0x14b)
abicommon
kconfigCONFIG_SYSVIPC
familysysvipc see the whole family on blackfin
entry pointsys_semctl
sinceLinux 3.3 or earlier (3.3 is the first release scanned for blackfin)
man pagesemctl(2)
sourceelixir.bootlin.com

Registers

registervalue
P0331, the syscall number
R0int semid
R1int semnum
R2int cmd
R3unsigned long arg
R0the return value

Then run excpt 0 to enter the kernel.

This architecture was removed from the Linux kernel in Linux 4.17. The newest release with a syscall table here is Linux 4.16. The other removed architectures live on the historical architectures page.

Same syscall on other architectures

Get this as JSON: https://api.syscall.sh/v2/syscalls/blackfin/semctl?kernel=all