syscall.sh / x64 / open

open

open and possibly create a file

sys_open(const char *filename, int flags, umode_t mode)
number2 (0x2)
abicommon
entry pointsys_open
sinceLinux 3.3
man pageopen(2)
sourceelixir.bootlin.com

Registers

registervalue
rax2, the syscall number
rdiconst char *filename
rsiint flags
rdxumode_t mode
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/open