syscall.sh / riscv64 / 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)
number285 (0x11d)
abicommon
entry pointsys_copy_file_range
sinceLinux 4.15
man pagecopy_file_range(2)
sourceelixir.bootlin.com

Registers

registervalue
a7285, the syscall number
a0int fd_in
a1loff_t *off_in
a2int fd_out
a3loff_t *off_out
a4size_t len
a5unsigned int flags
a0the return value

Then run ecall to enter the kernel.

Same syscall on other architectures

Get this as JSON: https://api.syscall.sh/v2/syscalls/riscv64/copy_file_range