syscall.sh / x64 / setsockopt
setsockopt
get and set options on sockets
sys_setsockopt(int fd, int level, int optname, char *optval, int optlen)| number | 54 (0x36) |
|---|---|
| abi | 64 |
| entry point | sys_setsockopt |
| since | Linux 3.3 |
| man page | setsockopt(2) |
| source | elixir.bootlin.com |
Registers
| register | value |
|---|---|
rax | 54, the syscall number |
rdi | int fd |
rsi | int level |
rdx | int optname |
r10 | char *optval |
r8 | int optlen |
rax | the return value |
Then run syscall to enter the kernel.
Same syscall on other architectures
- x86 366
- arm64 208
- arm 294
- riscv64 208
- x32 1073741878, 1073742365
- loongarch64 208
- ppc64 339
- ppc 339
- s390x 366
- mips64 5053
- mipsn32 6053
- mipso32 4181
- alpha 105
- arc 208
- csky 208
- hexagon 208
- m68k 363
- microblaze 357
- nios2 208
- openrisc 208
- parisc 181
- sh 353
- sparc 355
- sparc64 355
- xtensa 97
Get this as JSON: https://api.syscall.sh/v2/syscalls/x64/setsockopt