readv on ia32

read or write data into multiple buffers

sys_readv(unsigned long fd, const struct iovec *vec, unsigned long vlen)
number145 (0x91)
abii386
entry pointsys_readv
sinceLinux 3.3 or earlier (3.3 is the first release scanned for ia32)
man pagereadv(2)
sourceelixir.bootlin.com

Registers

registervalue
eax145, the syscall number
ebxunsigned long fd
ecxconst struct iovec *vec
edxunsigned long vlen
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/readv