vmsplice on metag

splice user pages to/from a pipe

sys_vmsplice(int fd, const struct iovec *iov, unsigned long nr_segs, unsigned int flags)
number75 (0x4b)
abicommon
entry pointsys_vmsplice
sinceLinux 3.9 or earlier (3.9 is the first release scanned for metag)
man pagevmsplice(2)
sourceelixir.bootlin.com

Registers

registervalue
D1Re075, the syscall number
D1Ar1int fd
D0Ar2const struct iovec *iov
D1Ar3unsigned long nr_segs
D0Ar4unsigned int flags
D0Re0the return value

Then run SWITCH #0x440001 to enter the kernel.

Values wider than one register are packed into consecutive arguments.

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/metag/vmsplice?kernel=all