syscall.sh / nios2 / pwritev2
pwritev2
read or write data into multiple buffers
sys_pwritev2(unsigned long fd, const struct iovec *vec, unsigned long vlen, unsigned long pos_l, unsigned long pos_h, rwf_t flags)| number | 287 (0x11f) |
|---|---|
| abi | common |
| entry point | sys_pwritev2 |
| since | Linux 4.6 |
| man page | pwritev2(2) |
| source | elixir.bootlin.com |
Registers
| register | value |
|---|---|
r2 | 287, the syscall number |
r4 | unsigned long fd |
r5 | const struct iovec *vec |
r6 | unsigned long vlen |
r7 | unsigned long pos_l |
r8 | unsigned long pos_h |
r9 | rwf_t flags |
r2 | the return value |
Then run trap to enter the kernel.
Same syscall on other architectures
- x64 328
- x86 379
- arm64 287
- arm 393
- riscv64 287
- x32 1073742359, 1073742371
- loongarch64 287
- ppc64 381
- ppc 381
- s390x 377
- mips64 5322
- mipsn32 6326
- mipso32 4362
- alpha 521
- arc 287
- csky 287
- hexagon 287
- m68k 378
- microblaze 394
- openrisc 287
- parisc 348
- sh 382
- sparc 359
- sparc64 359
- xtensa 347
Get this as JSON: https://api.syscall.sh/v2/syscalls/nios2/pwritev2