syscall.sh / openrisc / userfaultfd

userfaultfd

create a file descriptor for handling page faults in user space

sys_userfaultfd(int flags)
number282 (0x11a)
abicommon
entry pointsys_userfaultfd
sinceLinux 4.3
man pageuserfaultfd(2)
sourceelixir.bootlin.com

Registers

registervalue
r11282, the syscall number
r3int flags
r11the return value

Then run l.sys 1 to enter the kernel.

Same syscall on other architectures

Get this as JSON: https://api.syscall.sh/v2/syscalls/openrisc/userfaultfd