syscall.sh / nios2 / process_vm_readv
process_vm_readv
transfer data between process address spaces
sys_process_vm_readv(pid_t pid, const struct iovec *lvec, unsigned long liovcnt, const struct iovec *rvec, unsigned long riovcnt, unsigned long flags)| number | 270 (0x10e) |
|---|---|
| abi | common |
| entry point | sys_process_vm_readv |
| since | Linux 3.19 |
| man page | process_vm_readv(2) |
| source | elixir.bootlin.com |
Registers
| register | value |
|---|---|
r2 | 270, the syscall number |
r4 | pid_t pid |
r5 | const struct iovec *lvec |
r6 | unsigned long liovcnt |
r7 | const struct iovec *rvec |
r8 | unsigned long riovcnt |
r9 | unsigned long flags |
r2 | the return value |
Then run trap to enter the kernel.
Same syscall on other architectures
- x64 310
- x86 347
- arm64 270
- arm 376
- riscv64 270
- x32 1073742363
- loongarch64 270
- ppc64 351
- ppc 351
- s390x 340
- mips64 5304
- mipsn32 6309
- mipso32 4345
- alpha 504
- arc 270
- csky 270
- hexagon 270
- m68k 345
- microblaze 377
- openrisc 270
- parisc 330
- sh 365
- sparc 338
- sparc64 338
- xtensa 322
Get this as JSON: https://api.syscall.sh/v2/syscalls/nios2/process_vm_readv