syscall.sh / sh / openat2

openat2

open and possibly create a file (extended)

sys_openat2(int dfd, const char *filename, struct open_how *how, size_t size)
number437 (0x1b5)
abicommon
entry pointsys_openat2
sinceLinux 5.6
man pageopenat2(2)
sourceelixir.bootlin.com

Registers

registervalue
r3437, the syscall number
r4int dfd
r5const char *filename
r6struct open_how *how
r7size_t size
r0the return value

Then run trapa #31 to enter the kernel.

Same syscall on other architectures

Get this as JSON: https://api.syscall.sh/v2/syscalls/sh/openat2