SETARCH

Section: Linux Programmer's Manual (8)
Updated: Oct 2004
 

NAME

setarch - change reported architecture in new program environment and set personality flags  

SYNOPSIS

setarch arch [options] program

arch [options] program

 

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.
-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.
-I
Turns on SHORT_INODE.
-L
Changes the way virtual memory is allocated (turns on the ADDR_COMPAT_LAYOUT).
-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/


 

Index

NAME
SYNOPSIS
DESCRIPTION
OPTIONS
EXAMPLES
AUTHOR
BUGS
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