lookup_dcookie on m32r

return a directory entry's path

sys_lookup_dcookie(u64 cookie64, char *buf, size_t len)
number253 (0xfd)
abicommon
entry pointsys_lookup_dcookie
sinceLinux 3.3 or earlier (3.3 is the first release scanned for m32r)
man pagelookup_dcookie(2)
sourceelixir.bootlin.com

Registers

registervalue
r7253, the syscall number
r0u64 cookie64
r1char *buf
r2size_t len
r0the return value

Then run trap #2 to enter the kernel.

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/m32r/lookup_dcookie?kernel=all