syscall.sh / s390x / vfork
vfork
create a child process and block parent
sys_vfork(void)| number | 190 (0xbe) |
|---|---|
| abi | common |
| entry point | sys_vfork |
| since | Linux 4.16 |
| man page | vfork(2) |
| source | elixir.bootlin.com |
Registers
| register | value |
|---|---|
r1 | 190, the syscall number |
r2 | the return value |
Then run svc 0 to enter the kernel.
Same syscall on other architectures
- x64 58
- x86 190
- arm 190
- x32 1073741882
- ppc64 189
- ppc 189
- alpha 66
- m68k 190
- microblaze 190
- parisc 113
- sh 190
- sparc 66
- sparc64 66
Get this as JSON: https://api.syscall.sh/v2/syscalls/s390x/vfork