syscall.sh / s390x / copy_file_range

copy_file_range

Copy a range of data from one file to another

sys_copy_file_range(int fd_in, loff_t *off_in, int fd_out, loff_t *off_out, size_t len, unsigned int flags)
number375 (0x177)
abicommon
entry pointsys_copy_file_range
sinceLinux 4.16
man pagecopy_file_range(2)
sourceelixir.bootlin.com

Registers

registervalue
r1375, the syscall number
r2int fd_in
r3loff_t *off_in
r4int fd_out
r5loff_t *off_out
r6size_t len
r7unsigned int flags
r2the 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/s390x/copy_file_range