syscall.sh / nios2 / ftruncate64

ftruncate64

truncate a file to a specified length

sys_ftruncate64(unsigned int fd, loff_t length)
number46 (0x2e)
abi32
entry pointsys_ftruncate64
sinceLinux 3.19
man pageftruncate64(2)
sourceelixir.bootlin.com

Registers

registervalue
r246, the syscall number
r4unsigned int fd
r5loff_t length
r2the return value

Then run trap to enter the kernel.

Same syscall on other architectures

Get this as JSON: https://api.syscall.sh/v2/syscalls/nios2/ftruncate64