use objcopy instead of creating mod-*.c and mod-*.o

This commit is contained in:
BVK Chaitanya 2010-08-29 16:43:07 +05:30
parent ea943e89a3
commit 6b5f780f05
5 changed files with 86 additions and 22 deletions

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@ -285,31 +285,11 @@ def module(platform):
r += gvar_add("CLEANFILES", "$(nodist_" + cname() + "_SOURCES)")
r += gvar_add("MOD_FILES", "[+ name +].mod")
r += gvar_add("platform_DATA", "[+ name +].mod")
r += gvar_add("CLEANFILES", "def-[+ name +].lst und-[+ name +].lst mod-[+ name +].c mod-[+ name +].o [+ name +].mod")
r += gvar_add("PP_FILES", "[+ name +].pp")
r += gvar_add("CLEANFILES", "[+ name +].pp")
r += """
[+ name +].pp: $(""" + cname() + """_SOURCES) $(nodist_""" + cname() + """_SOURCES)
$(TARGET_CPP) -DGRUB_LST_GENERATOR $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(""" + cname() + """_CPPFLAGS) $(CPPFLAGS) $^ > $@ || (rm -f $@; exit 1)
mod-[+ name +].c: [+ name +].module$(EXEEXT) moddep.lst genmodsrc.sh
sh $(srcdir)/genmodsrc.sh [+ name +] moddep.lst > $@ || (rm -f $@; exit 1)
mod-[+ name +].o: mod-[+ name +].c
$(TARGET_CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(""" + cname() + """_CPPFLAGS) $(CPPFLAGS) $(""" + cname() + """_CFLAGS) $(CFLAGS) -c -o $@ $<
[+ name +].mod: [+ name +].module$(EXEEXT) mod-[+ name +].o
if test x$(USE_APPLE_CC_FIXES) = xyes; then \
$(CCLD) $(""" + cname() + """_LDFLAGS) $(LDFLAGS) -o $@.bin $^; \
$(OBJCONV) -f$(TARGET_MODULE_FORMAT) -nr:_grub_mod_init:grub_mod_init -nr:_grub_mod_fini:grub_mod_fini -wd1106 -nu -nd $@.bin $@; \
rm -f $@.bin; \
else \
$(CCLD) -o $@ $(""" + cname() + """_LDFLAGS) $(LDFLAGS) $^; \
if test ! -z '$(TARGET_OBJ2ELF)'; then $(TARGET_OBJ2ELF) $@ || (rm -f $@; exit 1); fi; \
$(STRIP) --strip-unneeded -K grub_mod_init -K grub_mod_fini -K _grub_mod_init -K _grub_mod_fini -R .note -R .comment $@; \
fi
"""
return r

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@ -346,6 +346,11 @@ moddep.lst: syminfo.lst genmoddep.awk
platform_DATA += moddep.lst
CLEANFILES += config.log syminfo.lst moddep.lst
$(MOD_FILES): %.mod : genmod.sh moddep.lst %.module$(EXEEXT)
sh $^ $@
platform_DATA += $(MOD_FILES)
CLEANFILES += $(MOD_FILES)
if COND_i386_pc
if COND_ENABLE_EFIEMU
efiemu32.o: efiemu/runtime/efiemu.c $(TARGET_OBJ2ELF)

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@ -1408,3 +1408,8 @@ script = {
name = gensyminfo.sh;
common = gensyminfo.sh.in;
};
script = {
name = genmod.sh;
common = genmod.sh.in;
};

73
grub-core/genmod.sh.in Normal file
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@ -0,0 +1,73 @@
#! /bin/sh -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 echo.module
#
moddep=$1
infile=$2
outfile=$3
tmpfile=${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
# stripout .modname and .moddeps sections from input module
objcopy -R .modname -R .moddeps $infile $tmpfile
# Attach .modname and .moddeps sections
t1=`mktemp`
printf "$modname\0" >$t1
t2=`mktemp`
for dep in $deps; do printf "$dep\0" >> $t2; done
if test -n "$deps"; then
objcopy --add-section .modname=$t1 --add-section .moddeps=$t2 $tmpfile
else
objcopy --add-section .modname=$t1 $tmpfile
fi
rm -f $t1 $t2
if test x@TARGET_APPLE_CC@ != x1; then
if ! test -z "@TARGET_OBJ2ELF@"; then
./@TARGET_OBJ2ELF@ $tmpfile || exit 1
fi
if test x@platform@ != xemu; then
@STRIP@ --strip-unneeded \
-K grub_mod_init -K grub_mod_fini \
-K _grub_mod_init -K _grub_mod_fini \
-R .note -R .comment $tmpfile || exit 1
fi
else
# XXX Test these Apple CC fixes
cp $tmpfile $tmpfile.bin
@OBJCONV@ -f@TARGET_MODULE_FORMAT@ \
-nr:_grub_mod_init:grub_mod_init \
-nr:_grub_mod_fini:grub_mod_fini \
-wd1106 -ew2030 -ew2050 -nu -nd $tmpfile.bin $tmpfile || exit 1
rm -f $name.bin
fi
mv $tmpfile $outfile

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@ -17,9 +17,10 @@ BEGIN {
lineno = 0;
while (getline <"/dev/stdin") {
lineno++;
if ($1 == "defined")
if ($1 == "defined") {
symtab[$3] = $2;
else if ($1 == "undefined") {
modtab[$2] = "" modtab[$2]
} else if ($1 == "undefined") {
if ($3 in symtab)
modtab[$2] = modtab[$2] " " symtab[$3];
else if ($3 != "__gnu_local_gp") {