#! /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