syscall.sh / mipso32 / waitpid

waitpid

wait for process to change state

sys_waitpid(pid_t pid, int *stat_addr, int options)

number	4007 (0xfa7)
abi	o32
entry point	`sys_waitpid`
since	Linux 5.0
man page	waitpid(2)
source	elixir.bootlin.com

Registers

register	value
`v0`	4007, the syscall number
`a0`	pid_t pid
`a1`	int *stat_addr
`a2`	int options
`v0`	the return value

Then run syscall to enter the kernel.

Same syscall on other architectures

x86 7
ppc64 7
ppc 7
m68k 7
microblaze 7
parisc 7
sh 7
sparc 212
sparc64 212

Get this as JSON: https://api.syscall.sh/v2/syscalls/mipso32/waitpid