syscall.sh / sh / umount
umount
unmount filesystem
sys_oldumount(char *name)| number | 22 (0x16) |
|---|---|
| abi | common |
| entry point | sys_oldumount |
| since | Linux 5.0 |
| man page | umount(2) |
| source | elixir.bootlin.com |
Registers
| register | value |
|---|---|
r3 | 22, the syscall number |
r4 | char *name |
r0 | the return value |
Then run trapa #31 to enter the kernel.
Same syscall on other architectures
- x86 22
- ppc 22
- s390x 22
- mipso32 4022
- alpha 22, removed in 5.1
- m68k 22
- microblaze 22
- sparc 159
- sparc64 159
- xtensa 176
Get this as JSON: https://api.syscall.sh/v2/syscalls/sh/umount