fchmodat on ia32

change permissions of a file

sys_fchmodat(int dfd, const char *filename, umode_t mode)
number306 (0x132)
abii386
entry pointsys_fchmodat
sinceLinux 3.3 or earlier (3.3 is the first release scanned for ia32)
man pagefchmodat(2)
sourceelixir.bootlin.com

Registers

registervalue
eax306, the syscall number
ebxint dfd
ecxconst char *filename
edxumode_t mode
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/fchmodat