syscall.sh / arm64 / msgrcv

msgrcv

System V message queue operations

sys_msgrcv(int msqid, struct msgbuf *msgp, size_t msgsz, long msgtyp, int msgflg)
number188 (0xbc)
abicommon
entry pointsys_msgrcv
sinceLinux 3.7
man pagemsgrcv(2)
sourceelixir.bootlin.com

Registers

registervalue
x8188, the syscall number
x0int msqid
x1struct msgbuf *msgp
x2size_t msgsz
x3long msgtyp
x4int msgflg
x0the return value

Then run svc #0 to enter the kernel.

Same syscall on other architectures

Get this as JSON: https://api.syscall.sh/v2/syscalls/arm64/msgrcv