eventfd on score

create a file descriptor for event notification

sys_eventfd(unsigned int count)
number1044 (0x414)
abicommon
kconfigCONFIG_EVENTFD
entry pointsys_eventfd
sinceLinux 3.7 or earlier (3.7 is the first release scanned for score)
man pageeventfd(2)
sourceelixir.bootlin.com

Registers

registervalue
r271044, the syscall number
r4unsigned int count
r4the return value

Then run syscall to enter the kernel.

r7 is the error flag and r4 then holds the positive error number.

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/score/eventfd?kernel=all