syscall.sh / xtensa / pwritev
pwritev
read or write data into multiple buffers
sys_pwritev(unsigned long fd, const struct iovec *vec, unsigned long vlen, unsigned long pos_l, unsigned long pos_h)| number | 318 (0x13e) |
|---|---|
| abi | common |
| entry point | sys_pwritev |
| since | Linux 5.0 |
| man page | pwritev(2) |
| source | elixir.bootlin.com |
Registers
| register | value |
|---|---|
a2 | 318, the syscall number |
a6 | unsigned long fd |
a3 | const struct iovec *vec |
a4 | unsigned long vlen |
a5 | unsigned long pos_l |
a8 | unsigned long pos_h |
a2 | the return value |
Then run syscall to enter the kernel.
Same syscall on other architectures
- x64 296
- x86 334
- arm64 70
- arm 362
- riscv64 70
- x32 1073742359
- loongarch64 70
- ppc64 321
- ppc 321
- s390x 329
- mips64 5290
- mipsn32 6294
- mipso32 4331
- alpha 491
- arc 70
- csky 70
- hexagon 70
- m68k 330
- microblaze 364
- nios2 70
- openrisc 70
- parisc 316
- sh 334
- sparc 325
- sparc64 325
Get this as JSON: https://api.syscall.sh/v2/syscalls/xtensa/pwritev