sethostname on ia32

get/set hostname

sys_sethostname(char *name, int len)
number74 (0x4a)
abii386
entry pointsys_sethostname
sinceLinux 3.3 or earlier (3.3 is the first release scanned for ia32)
man pagesethostname(2)
sourceelixir.bootlin.com

Registers

registervalue
eax74, the syscall number
ebxchar *name
ecxint len
eaxthe return value

Then run int 0x80 to enter the kernel.

This compat ABI is only available when the kernel is built with CONFIG_IA32_EMULATION.

Same syscall on other architectures

Get this as JSON: https://api.syscall.sh/v2/syscalls/ia32/sethostname