limine/common/gensyms.sh
2022-08-13 20:32:06 +02:00

50 lines
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#! /bin/sh
set -e
LC_ALL=C
export LC_ALL
TMP0="$(mktemp)"
cat >"$TMP0" <<EOF
#! /bin/sh
set -e
set -o pipefail 2>/dev/null
EOF
chmod +x "$TMP0"
"$TMP0" && set -o pipefail
rm "$TMP0"
TMP1="$(mktemp)"
TMP2="$(mktemp)"
TMP3="$(mktemp)"
TMP4="$(mktemp)"
trap "rm -f '$TMP1' '$TMP2' '$TMP3' '$TMP4'; trap - EXIT; exit" EXIT INT TERM QUIT HUP
"$CROSS_OBJDUMP" -t "$1" | ( "$SED" '/[[:<:]]d[[:>:]]/d' 2>/dev/null || "$SED" '/\bd\b/d' ) | sort > "$TMP1"
"$GREP" "$4" < "$TMP1" | cut -d' ' -f1 > "$TMP2"
"$GREP" "$4" < "$TMP1" | "$AWK" 'NF{ print $NF }' > "$TMP3"
echo ".section .$2_map" > "$TMP4"
echo ".globl $2_map" >> "$TMP4"
echo "$2_map:" >> "$TMP4"
if [ "$3" = "32" ]; then
paste -d'$' "$TMP2" "$TMP3" | "$SED" 's/^/.long 0x/g;s/$/"/g;s/\$/\
.asciz "/g' >> "$TMP4"
echo ".long 0xffffffff" >> "$TMP4"
elif [ "$3" = "64" ]; then
paste -d'$' "$TMP2" "$TMP3" | "$SED" 's/^/.quad 0x/g;s/$/"/g;s/\$/\
.asciz "/g' >> "$TMP4"
echo ".quad 0xffffffffffffffff" >> "$TMP4"
fi
mv "$TMP4" "$2.map.S"