syscall.sh / s390x / pwrite64
pwrite64
read from or write to a file descriptor at a given offset
sys_pwrite64(unsigned int fd, const char *buf, size_t count, loff_t pos)| number | 181 (0xb5) |
|---|---|
| abi | common |
| entry point | sys_pwrite64 |
| since | Linux 4.16 |
| man page | pwrite64(2) |
| source | elixir.bootlin.com |
Registers
| register | value |
|---|---|
r1 | 181, the syscall number |
r2 | unsigned int fd |
r3 | const char *buf |
r4 | size_t count |
r5 | loff_t pos |
r2 | the return value |
Then run svc 0 to enter the kernel.
Same syscall on other architectures
- x64 18
- x86 181
- arm64 68
- arm 181
- riscv64 68
- x32 1073741842
- loongarch64 68
- ppc64 180
- ppc 180
- mips64 5017
- mipsn32 6017
- mipso32 4201
- alpha 350
- arc 68
- csky 68
- hexagon 68
- m68k 181
- microblaze 181
- nios2 68
- openrisc 68
- parisc 109
- sh 181
- sparc 68
- sparc64 68
- xtensa 31
Get this as JSON: https://api.syscall.sh/v2/syscalls/s390x/pwrite64