syscall.sh / x86 / sendfile

sendfile

transfer data between file descriptors

sys_sendfile(int out_fd, int in_fd, off_t *offset, size_t count)
number187 (0xbb)
abii386
entry pointsys_sendfile
sinceLinux 3.3
man pagesendfile(2)
sourceelixir.bootlin.com

Registers

registervalue
eax187, the syscall number
ebxint out_fd
ecxint in_fd
edxoff_t *offset
esisize_t count
eaxthe return value

Then run int 0x80 to enter the kernel.

Same syscall on other architectures

Get this as JSON: https://api.syscall.sh/v2/syscalls/x86/sendfile