openat on tilegx

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 or earlier (3.7 is the first release scanned for tilegx)
man pageopenat(2)
sourceelixir.bootlin.com

Registers

registervalue
r1056, the syscall number
r0int dfd
r1const char *filename
r2int flags
r3umode_t mode
r0the return value

Then run swint1 to enter the kernel.

The kernel uses r1 to signal an error.

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/tilegx/openat?kernel=all