syscall.sh / x32 / prctl

prctl

operations on a process or thread

sys_prctl(int option, unsigned long arg2, unsigned long arg3, unsigned long arg4, unsigned long arg5)
number1073741981 (0x4000009d)
abicommon
entry pointsys_prctl
sinceLinux 3.4
man pageprctl(2)
sourceelixir.bootlin.com

Registers

registervalue
rax1073741981, the syscall number
rdiint option
rsiunsigned long arg2
rdxunsigned long arg3
r10unsigned long arg4
r8unsigned long arg5
raxthe return value

Then run syscall to enter the kernel.

Same syscall on other architectures

Get this as JSON: https://api.syscall.sh/v2/syscalls/x32/prctl