shmat on metag
System V shared memory operations
sys_shmat(int shmid, char *shmaddr, int shmflg)
| number | 196 (0xc4) |
|---|---|
| abi | common |
| kconfig | CONFIG_SYSVIPC |
| family | sysvipc see the whole family on metag |
| entry point | sys_shmat |
| since | Linux 3.9 or earlier (3.9 is the first release scanned for metag) |
| man page | shmat(2) |
| source | elixir.bootlin.com |
Registers
| register | value |
|---|---|
D1Re0 | 196, the syscall number |
D1Ar1 | int shmid |
D0Ar2 | char *shmaddr |
D1Ar3 | int shmflg |
D0Re0 | the return value |
Then run SWITCH #0x440001 to enter the kernel.
Values wider than one register are packed into consecutive arguments.
This architecture was removed from the Linux kernel in Linux 4.17. The newest release with a syscall table here is Linux 4.16. The other removed architectures live on the historical architectures page.
Same syscall on other architectures
- x64 30
- x86 397
- arm64 196
- arm 305
- riscv64 196
- ia32 397
- x32 1073741854
- loongarch64 196
- ppc64 397
- ppc 397
- s390x 397
- mips64 5029
- mipsn32 6029
- mipso32 4397
- alpha 209
- arc 196
- blackfin 338, removed in 4.17
- csky 196
- hexagon 196
- ia64 1114, removed in 6.7
- m68k 397
- microblaze 335
- nds32 196, removed in 5.18
- nios2 196
- openrisc 196
- parisc 192
- score 196, removed in 4.17
- sh 397
- sparc 397
- sparc64 397
- tilegx 196, removed in 4.17
- tilepro 196, removed in 4.17
- xtensa 93
Get this as JSON: https://api.syscall.sh/v2/syscalls/metag/shmat?kernel=all