grub/grub-core/genmod.sh.in
Vladimir Serbinenko 68e158dffd Strip .ARM.exidx
This section is generated by clang and is useful only for debugging.
It contains exotic relocations, so strip them to avoid them interferring
with module loading.
2015-12-31 18:13:59 +01:00

97 lines
2.8 KiB
Bash

#! /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 -R .ARM.exidx $tmpfile || exit 1
fi
if ! test -z "${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