syscall.sh / arm64 / vmsplice

vmsplice

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 3.7
man pagevmsplice(2)
sourceelixir.bootlin.com

Registers

registervalue
x875, the syscall number
x0int fd
x1const struct iovec *iov
x2unsigned long nr_segs
x3unsigned int flags
x0the return value

Then run svc #0 to enter the kernel.

Same syscall on other architectures

Get this as JSON: https://api.syscall.sh/v2/syscalls/arm64/vmsplice