dup3 on ia32

duplicate a file descriptor

sys_dup3(unsigned int oldfd, unsigned int newfd, int flags)
number330 (0x14a)
abii386
entry pointsys_dup3
sinceLinux 3.3 or earlier (3.3 is the first release scanned for ia32)
man pagedup3(2)
sourceelixir.bootlin.com

Registers

registervalue
eax330, the syscall number
ebxunsigned int oldfd
ecxunsigned int newfd
edxint flags
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/dup3