syscall.sh / arm64 / close

close

close a file descriptor

sys_close(unsigned int fd)
number57 (0x39)
abicommon
entry pointsys_close
sinceLinux 3.7
man pageclose(2)
sourceelixir.bootlin.com

Registers

registervalue
x857, the syscall number
x0unsigned int fd
x0the 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/arm64/close