syscall.sh / x64 / 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)
number326 (0x146)
abicommon
entry pointsys_copy_file_range
sinceLinux 4.5
man pagecopy_file_range(2)
sourceelixir.bootlin.com

Registers

registervalue
rax326, the syscall number
rdiint fd_in
rsiloff_t *off_in
rdxint fd_out
r10loff_t *off_out
r8size_t len
r9unsigned int flags
raxthe return value

Then run syscall to enter the kernel.

Same syscall on other architectures

Get this as JSON: https://api.syscall.sh/v2/syscalls/x64/copy_file_range