setarch - change reported architecture in new program environment and set personality flags
SYNOPSIS
setarch <arch> [options] [program [arguments]]
arch [options] [program [arguments]]
DESCRIPTION
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.
OPTIONS
-v
Be verbose.
-h, --help
Display help (it is also displayed when setarch takes no arguments).
-3
Specifies that processes should use a maximum of 3GB of address space on systems where it is supported (ADDR_LIMIT_3GB).
-B
Turns on ADDR_LIMIT_32BIT.
-F
Userspace function pointers point to descriptors (turns on FDPIC_FUNCPTRS).
-I
Turns on SHORT_INODE.
-L
Changes the way virtual memory is allocated (turns on the ADDR_COMPAT_LAYOUT).
-R
Disables randomization of the virtual address space (turns on ADDR_NO_RANDOMIZE).
