syscall.sh / openrisc / openat

openat

open and possibly create a file

sys_openat(int dfd, const char *filename, int flags, umode_t mode)
number56 (0x38)
abicommon
entry pointsys_openat
sinceLinux 3.7
man pageopenat(2)
sourceelixir.bootlin.com

Registers

registervalue
r1156, the syscall number
r3int dfd
r4const char *filename
r5int flags
r6umode_t mode
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/openat