sendfile64 on metag

transfer data between file descriptors

sys_sendfile64(int out_fd, int in_fd, loff_t *offset, size_t count)
number71 (0x47)
abicommon
entry pointsys_sendfile64
sinceLinux 3.9 or earlier (3.9 is the first release scanned for metag)
man pagesendfile64(2)
sourceelixir.bootlin.com

Registers

registervalue
D1Re071, the syscall number
D1Ar1int out_fd
D0Ar2int in_fd
D1Ar3loff_t *offset
D0Ar4size_t count
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/sendfile64?kernel=all