setarch - Unix, Linux Command
NAME
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
| Tag | Description |
|---|
|
-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).
|
|
-S |
Turns on WHOLE_SECONDS.
|
|
-T |
Turns on STICKY_TIMEOUTS.
|
|
-X |
Turns on READ_IMPLIES_EXEC.
|
|
-Z |
Turns on MMAP_PAGE_ZERO.
|
EXAMPLES
setarch ppc32 rpmbuild --target=ppc --rebuild foo.src.rpm
setarch ppc32 -v -vL3 rpmbuild --target=ppc --rebuild bar.src.rpm
AUTHOR
Elliot Lee <
sopwith@redhat.com>
Jindrich Novy <
jnovy@redhat.com>
BUGS
Report bugs via
http://bugzilla.redhat.com/bugzilla/
|
