dup on blackfin
duplicate a file descriptor
sys_dup(unsigned int fildes)| number | 41 (0x29) |
|---|---|
| abi | common |
| entry point | sys_dup |
| since | Linux 3.3 or earlier (3.3 is the first release scanned for blackfin) |
| man page | dup(2) |
| source | elixir.bootlin.com |
Registers
| register | value |
|---|---|
P0 | 41, the syscall number |
R0 | unsigned int fildes |
R0 | the return value |
Then run excpt 0 to enter the kernel.
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 32
- x86 41
- arm64 23
- arm 41
- riscv64 23
- ia32 41
- x32 1073741856
- loongarch64 23
- ppc64 41
- ppc 41
- s390x 41
- mips64 5031
- mipsn32 6031
- mipso32 4041
- alpha 41
- arc 23
- cris 41, removed in 4.17
- csky 23
- frv 41, removed in 4.17
- hexagon 23
- ia64 1057, removed in 6.7
- m32r 41, removed in 4.17
- m68k 41
- metag 23, removed in 4.17
- microblaze 41
- mn10300 41, removed in 4.17
- nds32 23, removed in 5.18
- nios2 23
- openrisc 23
- parisc 41
- score 23, removed in 4.17
- sh 41
- sparc 41
- sparc64 41
- tilegx 23, removed in 4.17
- tilepro 23, removed in 4.17
- xtensa 10
Get this as JSON: https://api.syscall.sh/v2/syscalls/blackfin/dup?kernel=all