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|
#!@SH@
LIBKVER='@PREFIX@/lib/libkver.so'
EX_USAGE=64
nl='
'
tab=' '
usage()
{
cat <<ENDUSAGE;
usage: $0 [-s ostype] [-r osrelease] [-m machine] [-p arch] command [args]
ENDUSAGE
}
bomb()
{
echo >&2 "$0: $*"
exit $EX_USAGE
}
# begin code copied from build.sh {{{
# valid_MACHINE_ARCH -- A multi-line string, listing all valid
# MACHINE/MACHINE_ARCH pairs.
#
# Each line contains a MACHINE and MACHINE_ARCH value, an optional ALIAS
# which may be used to refer to the MACHINE/MACHINE_ARCH pair, and an
# optional DEFAULT or NO_DEFAULT keyword.
#
# When a MACHINE corresponds to multiple possible values of
# MACHINE_ARCH, then this table should list all allowed combinations.
# If the MACHINE is associated with a default MACHINE_ARCH (to be
# used when the user specifies the MACHINE but fails to specify the
# MACHINE_ARCH), then one of the lines should have the "DEFAULT"
# keyword. If there is no default MACHINE_ARCH for a particular
# MACHINE, then there should be a line with the "NO_DEFAULT" keyword,
# and with a blank MACHINE_ARCH.
#
valid_MACHINE_ARCH='
MACHINE=acorn26 MACHINE_ARCH=arm
MACHINE=acorn32 MACHINE_ARCH=arm
MACHINE=algor MACHINE_ARCH=mips64el ALIAS=algor64
MACHINE=algor MACHINE_ARCH=mipsel DEFAULT
MACHINE=alpha MACHINE_ARCH=alpha
MACHINE=amd64 MACHINE_ARCH=x86_64
MACHINE=amiga MACHINE_ARCH=m68k
MACHINE=amigappc MACHINE_ARCH=powerpc
MACHINE=arc MACHINE_ARCH=mips64el ALIAS=arc64
MACHINE=arc MACHINE_ARCH=mipsel DEFAULT
MACHINE=atari MACHINE_ARCH=m68k
MACHINE=bebox MACHINE_ARCH=powerpc
MACHINE=cats MACHINE_ARCH=arm DEFAULT
MACHINE=cats MACHINE_ARCH=earm
MACHINE=cesfic MACHINE_ARCH=m68k
MACHINE=cobalt MACHINE_ARCH=mips64el ALIAS=cobalt64
MACHINE=cobalt MACHINE_ARCH=mipsel DEFAULT
MACHINE=dreamcast MACHINE_ARCH=sh3el
MACHINE=emips MACHINE_ARCH=mipseb
MACHINE=evbarm MACHINE_ARCH=arm ALIAS=evbarm-el DEFAULT
MACHINE=evbarm MACHINE_ARCH=armeb ALIAS=evbarm-eb
MACHINE=evbarm MACHINE_ARCH=earm ALIAS=evbearm-el
MACHINE=evbarm MACHINE_ARCH=earmeb ALIAS=evbearm-eb
MACHINE=evbmips MACHINE_ARCH= NO_DEFAULT
MACHINE=evbmips MACHINE_ARCH=mips64eb ALIAS=evbmips64-eb
MACHINE=evbmips MACHINE_ARCH=mips64el ALIAS=evbmips64-el
MACHINE=evbmips MACHINE_ARCH=mipseb ALIAS=evbmips-eb
MACHINE=evbmips MACHINE_ARCH=mipsel ALIAS=evbmips-el
MACHINE=evbppc MACHINE_ARCH=powerpc DEFAULT
MACHINE=evbppc MACHINE_ARCH=powerpc64 ALIAS=evbppc64
MACHINE=evbsh3 MACHINE_ARCH= NO_DEFAULT
MACHINE=evbsh3 MACHINE_ARCH=sh3eb ALIAS=evbsh3-eb
MACHINE=evbsh3 MACHINE_ARCH=sh3el ALIAS=evbsh3-el
MACHINE=ews4800mips MACHINE_ARCH=mipseb
MACHINE=hp300 MACHINE_ARCH=m68k
MACHINE=hp700 MACHINE_ARCH=hppa
MACHINE=hpcarm MACHINE_ARCH=arm
MACHINE=hpcmips MACHINE_ARCH=mipsel
MACHINE=hpcsh MACHINE_ARCH=sh3el
MACHINE=i386 MACHINE_ARCH=i386
MACHINE=ia64 MACHINE_ARCH=ia64
MACHINE=ibmnws MACHINE_ARCH=powerpc
MACHINE=iyonix MACHINE_ARCH=arm DEFAULT
MACHINE=iyonix MACHINE_ARCH=earm
MACHINE=landisk MACHINE_ARCH=sh3el
MACHINE=luna68k MACHINE_ARCH=m68k
MACHINE=mac68k MACHINE_ARCH=m68k
MACHINE=macppc MACHINE_ARCH=powerpc DEFAULT
MACHINE=macppc MACHINE_ARCH=powerpc64 ALIAS=macppc64
MACHINE=mipsco MACHINE_ARCH=mipseb
MACHINE=mmeye MACHINE_ARCH=sh3eb
MACHINE=mvme68k MACHINE_ARCH=m68k
MACHINE=mvmeppc MACHINE_ARCH=powerpc
MACHINE=netwinder MACHINE_ARCH=arm DEFAULT
MACHINE=netwinder MACHINE_ARCH=earm
MACHINE=news68k MACHINE_ARCH=m68k
MACHINE=newsmips MACHINE_ARCH=mipseb
MACHINE=next68k MACHINE_ARCH=m68k
MACHINE=ofppc MACHINE_ARCH=powerpc DEFAULT
MACHINE=ofppc MACHINE_ARCH=powerpc64 ALIAS=ofppc64
MACHINE=pmax MACHINE_ARCH=mips64el ALIAS=pmax64
MACHINE=pmax MACHINE_ARCH=mipsel DEFAULT
MACHINE=prep MACHINE_ARCH=powerpc
MACHINE=rs6000 MACHINE_ARCH=powerpc
MACHINE=sandpoint MACHINE_ARCH=powerpc
MACHINE=sbmips MACHINE_ARCH= NO_DEFAULT
MACHINE=sbmips MACHINE_ARCH=mips64eb ALIAS=sbmips64-eb
MACHINE=sbmips MACHINE_ARCH=mips64el ALIAS=sbmips64-el
MACHINE=sbmips MACHINE_ARCH=mipseb ALIAS=sbmips-eb
MACHINE=sbmips MACHINE_ARCH=mipsel ALIAS=sbmips-el
MACHINE=sgimips MACHINE_ARCH=mips64eb ALIAS=sgimips64
MACHINE=sgimips MACHINE_ARCH=mipseb DEFAULT
MACHINE=shark MACHINE_ARCH=arm DEFAULT
MACHINE=shark MACHINE_ARCH=earm
MACHINE=sparc MACHINE_ARCH=sparc
MACHINE=sparc64 MACHINE_ARCH=sparc64
MACHINE=sun2 MACHINE_ARCH=m68000
MACHINE=sun3 MACHINE_ARCH=m68k
MACHINE=vax MACHINE_ARCH=vax
MACHINE=x68k MACHINE_ARCH=m68k
MACHINE=zaurus MACHINE_ARCH=arm DEFAULT
MACHINE=zaurus MACHINE_ARCH=earm
'
# getarch -- find the default MACHINE_ARCH for a MACHINE,
# or convert an alias to a MACHINE/MACHINE_ARCH pair.
#
# Saves MACHINE in makewrappermachine before possibly modifying MACHINE.
#
# Sets MACHINE and MACHINE_ARCH if the input MACHINE value is
# recognised as an alias, or recognised as a machine that has a default
# MACHINE_ARCH (or that has only one possible MACHINE_ARCH).
#
# Leaves MACHINE and MACHINE_ARCH unchanged if MACHINE is recognised
# as being associated with multiple MACHINE_ARCH values with no default.
#
# Bombs if MACHINE is not recognised.
#
getarch()
{
local IFS
local found=""
local line
IFS="${nl}"
makewrappermachine="${MACHINE}"
for line in ${valid_MACHINE_ARCH}; do
line="${line%%#*}" # ignore comments
line="$( IFS=" ${tab}" ; echo $line )" # normalise white space
case "${line} " in
"")
# skip blank lines or comment lines
continue
;;
*" ALIAS=${MACHINE} "*)
# Found a line with a matching ALIAS=<alias>.
found="$line"
break
;;
"MACHINE=${MACHINE} "*" NO_DEFAULT"*)
# Found an explicit "NO_DEFAULT" for this MACHINE.
found="$line"
break
;;
"MACHINE=${MACHINE} "*" DEFAULT"*)
# Found an explicit "DEFAULT" for this MACHINE.
found="$line"
break
;;
"MACHINE=${MACHINE} "*)
# Found a line for this MACHINE. If it's the
# first such line, then tentatively accept it.
# If it's not the first matching line, then
# remember that there was more than one match.
case "$found" in
'') found="$line" ;;
*) found="MULTIPLE_MATCHES" ; break ;;
esac
;;
esac
done
case "$found" in
*NO_DEFAULT*|*MULTIPLE_MATCHES*)
# MACHINE is OK, but MACHINE_ARCH is still unknown
return
;;
"MACHINE="*" MACHINE_ARCH="*)
# Obey the MACHINE= and MACHINE_ARCH= parts of the line.
IFS=" "
for frag in ${found}; do
case "$frag" in
MACHINE=*|MACHINE_ARCH=*)
eval "$frag"
;;
esac
done
;;
*)
bomb "Unknown target MACHINE: ${MACHINE}"
;;
esac
}
# end code copied from build.sh }}}
# MAIN PROGRAM
opt_s=""
opt_r=""
opt_m=""
opt_p=""
while getopts "s:r:m:p:" opt
do
case "$opt" in
s) opt_s="$OPTARG"; export LIBKVER_OSTYPE="$OPTARG" ;;
r) opt_r="$OPTARG"; export LIBKVER_OSRELEASE="$OPTARG" ;;
m) opt_m="$OPTARG"; export LIBKVER_MACHINE="$OPTARG" ;;
p) opt_p="$OPTARG"; export LIBKVER_MACHINE_ARCH="$OPTARG" ;;
*) usage ; exit $EX_USAGE ;;
esac
done
shift $(($OPTIND - 1))
if [ $# -eq 0 ]; then
usage
exit $EX_USAGE
fi
# If MACHINE was specified and MACHINE_ARCH was not specified,
# then try to guess MACHINE_ARCH.
if [ -n "$opt_m" ] && [ -z "$opt_p" ]; then
MACHINE="$opt_m"
getarch
if [ -n "$MACHINE_ARCH" ]; then
# in addition to setting MACHINE_ARCH,
# getarch might have modified MACHINE.
export LIBKVER_MACHINE="$MACHINE"
export LIBKVER_MACHINE_ARCH="$MACHINE_ARCH"
else
bomb "'-m ${MACHINE}' needs '-p <machine_arch>'"
fi
fi
export LD_PRELOAD="${LIBKVER}${LD_PRELOAD:+:}${LD_PRELOAD}"
exec "$@"
|
