write on ia32

write to a file descriptor

sys_write(unsigned int fd, const char *buf, size_t count)
number4 (0x4)
abii386
entry pointsys_write
sinceLinux 3.3 or earlier (3.3 is the first release scanned for ia32)
man pagewrite(2)
sourceelixir.bootlin.com

Registers

registervalue
eax4, the syscall number
ebxunsigned int fd
ecxconst char *buf
edxsize_t count
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/write