syscall.sh / arc / arc_usr_cmpxchg
arc_usr_cmpxchg
sys_arc_usr_cmpxchg(int *uaddr, int expected, int new)| number | 248 (0xf8) |
|---|---|
| abi | arc |
| entry point | sys_arc_usr_cmpxchg |
| since | Linux 4.9 |
| source | elixir.bootlin.com |
Registers
| register | value |
|---|---|
r8 | 248, the syscall number |
r0 | int *uaddr |
r1 | int expected |
r2 | int new |
r0 | the return value |
Then run trap0 to enter the kernel.
Get this as JSON: https://api.syscall.sh/v2/syscalls/arc/arc_usr_cmpxchg