syscall.sh / x64 / recvfrom
recvfrom
receive a message from a socket
sys_recvfrom(int fd, void *ubuf, size_t size, unsigned int flags, struct sockaddr *addr, int *addr_len)| number | 45 (0x2d) |
|---|---|
| abi | 64 |
| entry point | sys_recvfrom |
| since | Linux 3.3 |
| man page | recvfrom(2) |
| source | elixir.bootlin.com |
Registers
| register | value |
|---|---|
rax | 45, the syscall number |
rdi | int fd |
rsi | void *ubuf |
rdx | size_t size |
r10 | unsigned int flags |
r8 | struct sockaddr *addr |
r9 | int *addr_len |
rax | the return value |
Then run syscall to enter the kernel.
Same syscall on other architectures
- x86 371
- arm64 207
- arm 292
- riscv64 207
- x32 1073742341
- loongarch64 207
- ppc64 337
- ppc 337
- s390x 371
- mips64 5044
- mipsn32 6044
- mipso32 4176
- alpha 125
- arc 207
- csky 207
- hexagon 207
- m68k 368
- microblaze 355
- nios2 207
- openrisc 207
- parisc 123
- sh 351
- sparc 125
- sparc64 125
- xtensa 111
Get this as JSON: https://api.syscall.sh/v2/syscalls/x64/recvfrom