syscall.sh / parisc / semop

semop

System V semaphore operations

sys_semop(int semid, struct sembuf *sops, unsigned nsops)
number185 (0xb9)
abicommon
entry pointsys_semop
sinceLinux 5.0
man pagesemop(2)
sourceelixir.bootlin.com

Registers

registervalue
r20185, the syscall number
r26int semid
r25struct sembuf *sops
r24unsigned nsops
r28the return value

Then run ble 0x100(%sr2, %r0) to enter the kernel.

Same syscall on other architectures

Get this as JSON: https://api.syscall.sh/v2/syscalls/parisc/semop