syscall.sh / csky / ftruncate64
ftruncate64
truncate a file to a specified length
sys_ftruncate64(unsigned int fd, loff_t length)| number | 46 (0x2e) |
|---|---|
| abi | 32 |
| entry point | sys_ftruncate64 |
| since | Linux 4.20 |
| man page | ftruncate64(2) |
| source | elixir.bootlin.com |
Registers
| register | value |
|---|---|
r7 | 46, the syscall number |
a0 | unsigned int fd |
a1 | loff_t length |
a0 | the return value |
Then run trap 0 to enter the kernel.
Same syscall on other architectures
- x86 194
- arm 194
- ppc 194
- mipso32 4212
- arc 46
- hexagon 46
- m68k 194
- microblaze 194
- nios2 46
- openrisc 46
- parisc 200
- sh 194
- sparc 84
- xtensa 29
Get this as JSON: https://api.syscall.sh/v2/syscalls/csky/ftruncate64