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#!/bin/sh
# On ultrix, this will compile string constants into the text segment
# where they can be shared. Use to build pine by saying:
#
# build CC=txtcc gul
#
# As of Pine4.03, this moves about 675k per process into shareable memory
#
# Corey Satten, corey@cac.washington.edu, 9/11/98
TMP1=/tmp/cc$$.s
TMP2=/tmp/cc$$.delayed
trap "rm -f $TMP1 $TMP2" 0 1 2 13 15
for i in "$@"; do
case "$oflag//$i" in
//-c) cflag=1;;
//-o) oflag=1;;
//-g) gflag=1;;
1//*) ofile="$i"; oflag=;;
//*.c) cfile="$i"; : ${ofile=`basename $i .c`.o};;
esac
done
case "$cflag" in
1) sfile=`basename $ofile .o`.s
gcc -S "$@"
# Postprocess assembly language to move strings to .text segment.
#
# Use sed to collect .ascii statements and their preceding label
# and .align and emit those to $TMP2, the rest to $TMP1.
#
# Start in state0
# In state0: if .align is seen -> state1; else print, -> state0
# In state1: if a label is seen -> state2; else -> punt
# In state2: if .ascii is seen -> state3; else -> punt
# In state3: if .ascii is seen -> state4; else write TMP2, -> state0
# In state4: append to buffer, -> state3
# In state punt: print unprinted lines, -> state0
#
sed '
: state0
/^[ ][ ]*\.align/ b state1
b
: state1
h
N; s/^[^\n]*\n//; H
/^[!-~]*:/ b state2
b punt
: state2
N; s/^[^\n]*\n//; H
/^[ ][ ]*\.ascii/ b state3
b punt
: state3
N; s/^[^\n]*\n//
/^[ ][ ]*\.ascii/ b state4
x
w '"$TMP2"'
x
b state0
: state4
H
b state3
: punt
x
' $sfile > $TMP1
# now add the deferred .ascii statements to .text segment in $TMP1
echo ' .text' >> $TMP1
cat $TMP2 >> $TMP1
rm `basename $ofile .o`.s
gcc ${gflag+"-g"} -c -o $ofile $TMP1
;;
*) gcc "$@"
;;
esac
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