setarch - change reported architecture in new program environment and set personality flags
setarch <arch> [options] [program [arguments]]
arch [options] [program [arguments]]
setarch This utility currently only affects the output of uname -m. For example, on an AMD64 system, running setarch i386 program will cause program to see
i686 (or other relevant arch) instead of
x86_64 as machine type. It also allows to set various personality options.
Display help (it is also displayed when setarch takes no arguments).
Specifies that processes should use a maximum of 3GB of address space on systems where it is supported (ADDR_LIMIT_3GB).
Turns on ADDR_LIMIT_32BIT.
Userspace function pointers point to descriptors (turns on FDPIC_FUNCPTRS).
Turns on SHORT_INODE.
Changes the way virtual memory is allocated (turns on the ADDR_COMPAT_LAYOUT).
Disables randomization of the virtual address space (turns on ADDR_NO_RANDOMIZE).