grub/grub-core/genmod.sh.in
2015-12-31 13:09:15 +01:00

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#! /bin/sh
set -e
# Copyright (C) 2010 Free Software Foundation, Inc.
#
# This gensymlist.sh is free software; the author
# gives unlimited permission to copy and/or distribute it,
# with or without modifications, as long as this notice is preserved.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
# PARTICULAR PURPOSE.
#
# Example:
#
# genmod.sh moddep.lst normal.module build-grub-module-verifier normal.mod
#
moddep=$1
infile=$2
outfile=$4
tmpfile=${outfile}.tmp
modname=`echo $infile | sed -e 's@\.module.*$@@'`
if ! grep ^$modname: $moddep >/dev/null; then
echo "warning: moddep.lst has no dependencies for $modname" >&2
exit 0
fi
deps=`grep ^$modname: $moddep | sed s@^.*:@@`
# remove old files if any
rm -f $tmpfile $outfile
if test x@TARGET_APPLE_LINKER@ != x1; then
# stripout .modname and .moddeps sections from input module
@TARGET_OBJCOPY@ -R .modname -R .moddeps $infile $tmpfile
# Attach .modname and .moddeps sections
t1=`mktemp "${TMPDIR:-/tmp}/tmp.XXXXXXXXXX"` || exit 1
printf "$modname\0" >$t1
t2=`mktemp "${TMPDIR:-/tmp}/tmp.XXXXXXXXXX"` || exit 1
for dep in $deps; do printf "$dep\0" >> $t2; done
if test -n "$deps"; then
@TARGET_OBJCOPY@ --add-section .modname=$t1 --add-section .moddeps=$t2 $tmpfile
else
@TARGET_OBJCOPY@ --add-section .modname=$t1 $tmpfile
fi
rm -f $t1 $t2
if test x@platform@ != xemu; then
@TARGET_STRIP@ --strip-unneeded \
-K grub_mod_init -K grub_mod_fini \
-K _grub_mod_init -K _grub_mod_fini \
-R .note.gnu.gold-version -R .note.GNU-stack \
-R .note -R .comment $tmpfile || exit 1
fi
if ! test -z "${TARGET_OBJ2ELF}"; then
"${TARGET_OBJ2ELF}" $tmpfile || exit 1
fi
else
tmpfile2=${outfile}.tmp2
t1=${outfile}.t1.c
t2=${outfile}.t2.c
# remove old files if any
rm -f $t1 $t2
cp $infile $tmpfile
# Attach .modname and .moddeps sections
echo "char modname[] __attribute__ ((section(\"_modname, _modname\"))) = \"$modname\";" >$t1
for dep in $deps; do echo "char moddep_$dep[] __attribute__ ((section(\"_moddeps, _moddeps\"))) = \"$dep\";" >>$t2; done
if test -n "$deps"; then
@TARGET_CC@ @TARGET_LDFLAGS@ -ffreestanding -nostdlib -o $tmpfile2 $t1 $t2 $tmpfile -Wl,-r,-d
else
@TARGET_CC@ @TARGET_LDFLAGS@ -ffreestanding -nostdlib -o $tmpfile2 $t1 $tmpfile -Wl,-r,-d
fi
rm -f $t1 $t2 $tmpfile
mv $tmpfile2 $tmpfile
cp $tmpfile $tmpfile.bin
@TARGET_OBJCONV@ -f@TARGET_MODULE_FORMAT@ \
-nr:_grub_mod_init:grub_mod_init \
-nr:_grub_mod_fini:grub_mod_fini \
-wd1106 -nu -nd $tmpfile.bin $tmpfile || exit 1
rm -f $name.bin
fi
./build-grub-module-verifier $tmpfile @target_cpu@
mv $tmpfile $outfile