syscall.sh / arm / eventfd2

eventfd2

create a file descriptor for event notification

sys_eventfd2(unsigned int count, int flags)
number356 (0x164)
abicommon
entry pointsys_eventfd2
sinceLinux 4.10
man pageeventfd2(2)
sourceelixir.bootlin.com

Registers

registervalue
r7356, the syscall number
r0unsigned int count
r1int flags
r0the 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/arm/eventfd2