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| author | Karel Zak | 2007-07-02 13:48:15 +0200 |
|---|---|---|
| committer | Karel Zak | 2007-07-02 13:48:15 +0200 |
| commit | 8b3a46d2b023e3f4d5cd6778cdf17ecd3d5911d7 (patch) | |
| tree | e7a428fab949cf0bc75a4342628e32c5e2d9cba9 /sys-utils/setarch.8 | |
| parent | build-sys: cleanup architecture conditionals (diff) | |
| download | kernel-qcow2-util-linux-8b3a46d2b023e3f4d5cd6778cdf17ecd3d5911d7.tar.gz kernel-qcow2-util-linux-8b3a46d2b023e3f4d5cd6778cdf17ecd3d5911d7.tar.xz kernel-qcow2-util-linux-8b3a46d2b023e3f4d5cd6778cdf17ecd3d5911d7.zip | |
sys-utils: added setarch command
This patch merges setarch command to util-linux-ng code.
Signed-off-by: Karel Zak <kzak@redhat.com>
Diffstat (limited to 'sys-utils/setarch.8')
| -rw-r--r-- | sys-utils/setarch.8 | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/sys-utils/setarch.8 b/sys-utils/setarch.8 new file mode 100644 index 000000000..57bb6f7fe --- /dev/null +++ b/sys-utils/setarch.8 @@ -0,0 +1,65 @@ +.TH SETARCH 8 "Jun 2007" setarch "Linux Programmer's Manual" +.SH NAME +setarch \- change reported architecture in new program environment and set personality flags +.SH SYNOPSIS +\fBsetarch\fR <\fIarch\fR> [\fBoptions\fR] [\fIprogram\fR [\fBarguments\fR]] + +\fIarch\fR [\fBoptions\fR] [\fIprogram\fR [\fBarguments\fR]] + +.SH DESCRIPTION +.B 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 +.IR i686 +(or other relevant arch) instead of +.IR x86_64 +as machine type. It also allows to set various personality options. The default +.B program +is /bin/sh. +.SH OPTIONS +.TP +.I "\-v" +Be verbose. +.TP +.I "\-h," "\-\-help" +Display help (it is also displayed when setarch takes no arguments). +.TP +.I "\-3" +Specifies that processes should use a maximum of 3GB of address space on systems where it is supported (ADDR_LIMIT_3GB). +.TP +.I "\-B" +Turns on ADDR_LIMIT_32BIT. +.TP +.I "\-F" +Userspace function pointers point to descriptors (turns on FDPIC_FUNCPTRS). +.TP +.I "\-I" +Turns on SHORT_INODE. +.TP +.I "\-L" +Changes the way virtual memory is allocated (turns on the ADDR_COMPAT_LAYOUT). +.TP +.I "\-R" +Disables randomization of the virtual address space (turns on ADDR_NO_RANDOMIZE). +.TP +.I "\-S" +Turns on WHOLE_SECONDS. +.TP +.I "\-T" +Turns on STICKY_TIMEOUTS. +.TP +.I "\-X" +Turns on READ_IMPLIES_EXEC. +.TP +.I "\-Z" +Turns on MMAP_PAGE_ZERO. +.SH EXAMPLES +setarch ppc32 rpmbuild --target=ppc --rebuild foo.src.rpm +.br +setarch ppc32 -v -vL3 rpmbuild --target=ppc --rebuild bar.src.rpm +.SH AUTHOR +Elliot Lee <sopwith@redhat.com> +.br +Jindrich Novy <jnovy@redhat.com> +.SH AVAILABILITY +setarch is part of the util-linux-ng package and is available from +ftp://ftp.kernel.org/pub/linux/utils/util-linux-ng/. |