syscall.sh / nios2 / 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 3.19
man pagevmsplice(2)
sourceelixir.bootlin.com

Registers

registervalue
r275, the syscall number
r4int fd
r5const struct iovec *iov
r6unsigned long nr_segs
r7unsigned int flags
r2the return value

Then run trap to enter the kernel.

Same syscall on other architectures

Get this as JSON: https://api.syscall.sh/v2/syscalls/nios2/vmsplice