syscall.sh / s390x / readv

readv

read or write data into multiple buffers

sys_readv(unsigned long fd, const struct iovec *vec, unsigned long vlen)
number145 (0x91)
abicommon
entry pointsys_readv
sinceLinux 4.16
man pagereadv(2)
sourceelixir.bootlin.com

Registers

registervalue
r1145, the syscall number
r2unsigned long fd
r3const struct iovec *vec
r4unsigned long vlen
r2the return value

Then run svc 0 to enter the kernel.

Same syscall on other architectures

Get this as JSON: https://api.syscall.sh/v2/syscalls/s390x/readv