module_name = swap_driver
cross_compiler = $(subst gcc,,$(CC))
+#bin_SCRIPTS = patchko.sh insmod.sh
+
all-local:
cp $(top_srcdir)/src/modules/kprobe/Module.symvers $(driver_module_dir)
$(MAKE) CROSS_COMPILE=$(cross_compiler) ARCH=$(target_arch) memchecker=$(memchecker) android_opt=$(android_opt) slp_opt=$(slp_opt) android_app_opt=$(android_app_opt) board_opt=$(board_opt) debug_opt=$(debug_opt) $(AM_MAKEFLAGS) -C $(target_kernel_src) M=$(driver_module_dir) modules
echo "generate data for version patching <$(OBJDUMP)><$(READELF)>"
- $(top_srcdir)/src/daemon/patchko.sh -g $(driver_module_dir)/$(module_name).ko $(OBJDUMP) $(READELF)
+ $(top_srcdir)/src/modules/driver/patchko.sh -g $(driver_module_dir)/$(module_name).ko $(OBJDUMP) $(READELF)
clean-local:
$(MAKE) CROSS_COMPILE=$(cross_compiler) ARCH=$(target_arch) $(AM_MAKEFLAGS) -C $(target_kernel_src) M=$(driver_module_dir) clean
install -m 644 $(driver_module_dir)/$(module_name).ko $(prefix)
install -m 644 $(driver_module_dir)/$(module_name).ko.addr $(prefix)
+ install -m 755 $(driver_module_dir)/patchko.sh $(prefix)/bin
+ install -m 755 $(driver_module_dir)/insmod.sh $(prefix)/bin
if [ "$(android)" != "yes" ] ; then \
sed "s|__DEV_MAJOR__|$(dev_major)|" $(driver_module_dir)/$(module_name).sh | \
sed "s|__DEV_NAME__|`basename $(dev_path)`|" | \
sed "s|__DEV_DIR__|`dirname $(dev_path)`|" > \
- $(prefix)/$(module_name).sh ; chmod +x $(prefix)/$(module_name).sh ; fi
+ $(prefix)/$(module_name).sh ; chmod +x $(prefix)/$(module_name).sh ; \
+ chmod +x $(driver_module_dir)/patchko.sh ; \
+ chmod +x $(driver_module_dir)/insmod.sh ; \
+ fi
--- /dev/null
+#!/bin/bash
+opt=$1
+patch_file=$2
+output_file=$3
+data_file=$4
+
+objdump=$3
+readelf=$4
+
+howto()
+{
+ echo " $0 -r <patchingfile.ko> <readelf> <objdump>"
+ echo " $0 -g <patchingfile.ko> <readelf> <objdump>"
+ echo " $0 -p <patchingfile.ko> <outputfile.ko> <patchdata>"
+}
+
+debug(){
+ echo "patchko.sh) $1"
+}
+
+error(){
+ debug "[Err]$1"
+}
+
+#toolchain=~/Work/tools/u1_slp/toolchai
+#cross=${toolchain}/bin/arm-none-linux-gnueabi-
+#cross=arm-none-linux-gnueabi-
+
+sect_name="modinfo"
+varname="vermagic"
+debug "patchfile <$patch_file>"
+
+if [ -f "$patch_file" ]; then
+
+ if [ "$opt" = "-p" ];then
+ #set version (use only on target)
+ debug "Set version (patching) to <$patch_file>"
+ if [ -f "$data_file" ];then
+ cp -f "${patch_file}" "${output_file}"
+
+ #get patching adderes
+ let pos=`cat $patch_file.addr | awk '{print \$1}'`
+ let abs_len=`cat $patch_file.addr | awk '{print \$2}'`
+
+ key_before=`dd if="$patch_file" bs=1 skip=${pos}c count=${abs_len}c 2>/dev/null`
+ #debug "key_before<$key_before>"
+ key_before_tail=${key_before#*\ }
+ #debug "key_before_tail<$key_before_tail>"
+ echo -ne "`cat $data_file` $key_before_tail\000">$data_file
+
+ key_len="`cat $data_file`"
+ let key_len=${#key_len}+1
+
+ #debug "POS>$pos<"
+ #debug "OLDLEN>$abs_len<"
+ #debug "NEWLEN>$key_len<"
+ #debug "PATCH_TO>`cat $data_file`<"
+
+ #debug "key_len=$key_len"
+ if [ $key_len -le ${abs_len} ];then
+ #debug "before=<$key_before>"
+ res=`dd if="${data_file}" of="${output_file}" bs=1 seek=${pos} skip=0c count=${key_len}c conv=notrunc 2>/dev/null`
+
+ #res=`dd if="$output_file" bs=1 skip=${pos}c count=${abs_len}c 2>/dev/null`
+ #debug "patched=<$res>"
+ else
+ error "Error on patching <${patch_file}>:data file <$data_file> NEW KEY TOO LONG"
+ exit -2
+ fi
+ else
+ error "Error on patching <${patch_file}>:data file <$data_file> not found"
+ exit -1
+ fi
+ else
+ #if[ "$opt" != "-p" ];then
+ debug "+not p"
+
+ $readelf -v
+ if [ $? -ne 0 ];then
+ error "readelf not found on path <$readelf>"
+ exit 2
+ fi
+ $objdump -v
+ if [ $? -ne 0 ];then
+ error "objdump not found on path <$objdump>"
+ exit 1
+ fi
+
+ let file_size=`ls -la "$patch_file" | awk '{print \$5}'`
+ debug "file_size=$file_size"
+
+ section=`$readelf -e $patch_file | grep ${sect_name}`
+ section=${section##*${sect_name}}
+ debug "section=$section"
+
+ let addr=0x`echo $section | awk '{print $2}'`
+ let offs=0x`echo $section | awk '{print $3}'`
+ let size=0x`echo $section | awk '{print $4}'`
+ debug $addr:$offs:$size
+
+ let abs_len=0x`$objdump -t -j .${sect_name} "$patch_file" | grep _${varname} | awk '{print $5}'`
+ let abs_len=$abs_len-${#varname}-1
+ let sect_off=0x`$objdump -t -j .${sect_name} "$patch_file" | grep _${varname} | awk '{print $1}'`
+ let add_off=${#varname}+1
+
+ let abs_addr=${addr}+${offs}+${sect_off}+${add_off}
+ debug "abs_addr=$abs_addr;"
+ debug "abs_len=$abs_len"
+ if [ "$opt" = "-r" ];then
+ #read version (for patch testing)
+ debug "Read version in <$patch_file>"
+ res=`dd if="$patch_file" bs=1 skip=${abs_addr}c count=${abs_len}c 2>/dev/null`
+ debug "ver<$res>"
+ elif [ "$opt" = "-g" ];then
+ #gen file version (use only on host)
+ debug "Generate version data for <$patch_file>"
+ #res=`dd if="$patch_file" of="$patch_file.addr" bs=1 skip=${abs_addr}c count=${abs_len}c`
+ echo "$abs_addr $abs_len">"$patch_file.addr"
+ debug "patch_addr=`cat $patch_file.addr`"
+ else
+ error "Wrong param <$opt>"
+ fi
+ fi
+else
+ error "file for patchig not found <$patch_file>"
+fi
projects / kernel / swap-modules.git / commitdiff