clean up install_gpt args to use number of sectors

build_gpt.sh

 #!/bin/bash
 #
 # Copyright (c) 2010 The Chromium OS Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 #
 # Load common constants.  This should be the first executable line.
 # The path to common.sh should be relative to your script's location.
 . "$(dirname "$0")/common.sh"
 
@@ skipping 101 matching lines @@
 # We'll need some code to put in the PMBR, for booting on legacy BIOS. Some ARM
 # systems will use a U-Boot script temporarily, but it goes in the same place.
 if [[ "$ARCH" = "arm" ]]; then
   PMBRCODE=/dev/zero
 else
   PMBRCODE=$(readlink -f /usr/share/syslinux/gptmbr.bin)
 fi
 
 # Create the GPT. This has the side-effect of setting some global vars
 # describing the partition table entries (see the comments in the source).
-install_gpt $OUTDEV $ROOTFS_IMG $STATEFUL_IMG $PMBRCODE $ESP_IMG \
-    false $FLAGS_rootfs_partition_size
+install_gpt $OUTDEV $(numsectors $ROOTFS_IMG) $(numsectors $STATEFUL_IMG) \
+    $PMBRCODE $(numsectors $ESP_IMG) false $FLAGS_rootfs_partition_size
 
 if [[ "$ARCH" = "arm" ]]; then
   # assume /dev/mmcblk1. we could not get this from ${OUTDEV}
   DEVICE=1
   MBR_SCRIPT_UIMG=$(make_arm_mbr \
     ${START_KERN_A} \
     ${NUM_KERN_SECTORS} \
     ${DEVICE} \
     "${FLAGS_arm_extra_bootargs}")
   sudo dd bs=1 count=`stat --printf="%s" ${MBR_SCRIPT_UIMG}` \
@@ skipping 24 matching lines @@
 $sudo dd if=${ROOTFS_IMG} of=${OUTDEV} conv=notrunc bs=512 \
     seek=${START_ROOTFS_A}
 
 echo "Copying EFI system partition..."
 $sudo dd if=${ESP_IMG} of=${OUTDEV} conv=notrunc bs=512 seek=${START_ESP}
 
 # Clean up temporary files.
 if [[ -n "${MBR_IMG:-}" ]]; then
   rm "${MBR_IMG}"
 fi