pivot_root on ia64

change the root mount

sys_pivot_root(const char *new_root, const char *put_old)
number1207 (0x4b7)
abicommon
entry pointsys_pivot_root
sinceLinux 5.0 or earlier (5.0 is the first release scanned for ia64)
man pagepivot_root(2)
sourceelixir.bootlin.com

Registers

registervalue
r151207, the syscall number
out0const char *new_root
out1const char *put_old
r8the return value

Then run break 0x100000 to enter the kernel.

The kernel uses r10 to signal an error.

The pipe call returns file descriptors in r8 and r9.

This architecture was removed from the Linux kernel in Linux 6.7. The newest release with a syscall table here is Linux 6.6. The other removed architectures live on the historical architectures page.

Same syscall on other architectures

Get this as JSON: https://api.syscall.sh/v2/syscalls/ia64/pivot_root?kernel=all