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Make populate_libs() more generic.

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It can handle "path to path" output of ldd, such as
    /a/b/c.so => /x/y/z.so (0x123456789)

Change-Id: I68d1096694835818c9129212a02796e1ce1c181d
This commit is contained in:
Arata Notsu 2013-02-14 17:40:39 +09:00
parent d84a2fa246
commit 826c9c7935
1 changed files with 44 additions and 10 deletions
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54
lib/ramdisk-functions
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@ -57,7 +57,6 @@ function create_base () {
mkdir -p "$TMP_MOUNT_PATH/bin"
ln -s bin "$TMP_MOUNT_PATH/sbin"
mkdir -p "$TMP_MOUNT_PATH/lib"
ln -s lib "$TMP_MOUNT_PATH/lib64"
mkdir -p "$TMP_MOUNT_PATH/lib/modules"
mkdir -p "$TMP_MOUNT_PATH/etc"
mkdir -p "$TMP_MOUNT_PATH/etc/udev"
@ -87,10 +86,52 @@ udev_log="no"
EOF
}
function copy_required_libs() {
ldd_out=`ldd "$1"`
if [ $? -ne 0 ]; then
return
fi
local IFS="
"
# Patterns of output of ldd
#
# 1. name to real path
# libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6 (0x00007f095e784000)
# 2. only path
# /lib64/ld-linux-x86-64.so.2 (0x00007f095ef79000)
# 3. path to path
# /lib64/ld-linux-x86-64.so.2 => /lib/x86_64-linux-gnu/ld-linux-x86-64.so.2 (0x00007facff857000)
# 4. name to empty (vdso)
# linux-vdso.so.1 => (0x00007fff0c5ff000)
for i in `echo "$ldd_out" | sed -e 's/^\t*//'`; do
local ref=$( echo "$i" | awk -F '[ ]' '{print $1}')
local real=$( echo "$i" | awk -F '[ ]' '$2 == "=>" {print $3}
$2 != "=>" {print $1}')
if [ -z "$real" ]; then
continue
fi
if [ "$ref" = "${ref#/}" ]; then
ref=/lib/$ref
fi
dest=/lib/`basename "$real"`
cp -Ln "$real" "$TMP_MOUNT_PATH/$dest"
# Create a symbolic link if the shared library is referred
# by the different name
if [ "$ref" != "$dest" ]; then
local link_path=$TMP_MOUNT_PATH/$ref
if ! [ -e "$link_path" -o -L "$link_path" ]; then
mkdir -p `dirname "$link_path"`
ln -s "$dest" "$link_path"
fi
fi
done
}
function populate_lib () {
echo "Populating /lib"
libs=
for i in "$BUSYBOX" "$LIB_UDEV/firmware" bash lsmod modprobe udevd udevadm wget reboot shutdown $BINARY_DEPS ; do
if "$BUSYBOX" --list | grep "^$i\$" >/dev/null; then
continue
@ -101,15 +142,8 @@ function populate_lib () {
exit 1
fi
cp -L "$path" "$TMP_MOUNT_PATH/bin/"
if l=`ldd "$path"`; then
l=$( echo "$l" | grep '/' | tr "\t" " " )
l=$( echo "$l" | sed 's/^.* => \([^ ]*\).*$/\1/' )
l=$( echo "$l" | sed 's/^ *\([^ ]*\) *(0x[0-9a-f]*)/\1/' )
l=$( echo "$l" | tr " " "\n" )
libs=$( printf "%s\n%s\n" "$l" "$libs" | sort | uniq )
fi
copy_required_libs "$path"
done
cp $libs "$TMP_MOUNT_PATH/lib/"
cp -a "$MODULE_DIR" "$TMP_MOUNT_PATH/lib/modules/$KERNEL_VERSION"
cp -a "$FIRMWARE_DIR" "$TMP_MOUNT_PATH/lib/firmware"