syscall.sh / x86 / 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 | 334 (0x14e) |
|---|---|
| abi | i386 |
| entry point | sys_pwritev |
| since | Linux 3.3 |
| man page | pwritev(2) |
| source | elixir.bootlin.com |
Registers
| register | value |
|---|---|
eax | 334, the syscall number |
ebx | unsigned long fd |
ecx | const struct iovec *vec |
edx | unsigned long vlen |
esi | unsigned long pos_l |
edi | unsigned long pos_h |
eax | the return value |
Then run int 0x80 to enter the kernel.
Same syscall on other architectures
- x64 296
- 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
- xtensa 318
Get this as JSON: https://api.syscall.sh/v2/syscalls/x86/pwritev