Development: Improve extract_kernel for the Mac KDK

development/mac-kdk/extract_kernel.sh

@@ -1,12 +1,21 @@
 #!/bin/bash
 
-echo "Operating on ${1}"
+UNPACK_DIR="Unpacked"
+KERNEL_DIR="$(basename ${1})"
+JSON_DIR="JSON"
+DWARF2JSON="dwarf2json"
+
+echo "Operating on ${KERNEL_DIR}"
 mkdir tmp
 pushd tmp
+
+
 7z x ../${1}
 if [ -f "KernelDebugKit/mach_kernel" ]; then
+	echo "7Z unpack successful"
 	mv KernelDebugKit System
 else
+  echo "XAR unpack required"
 	xar -x -f Kernel\ Debug\ Kit/KernelDebugKit.pkg
 	python2 ../parse_pbzx2.py KDK.pkg/Payload
 	if [ $? == 0 ]; then
@@ -15,12 +24,24 @@ else
 	else
 		7z x Kernel\ Debug\ Kit/KernelDebugKit.pkg
 	fi
+	echo "CPIO unpacking Payload"
 	cpio -i < Payload\~
 fi
-mkdir -p "../Unpacked/${1}"
-cp -r System "../Unpacked/${1}"
-chmod -R ug+w "../Unpacked/${1}"
-# /home/mike/tmp/dwarf2json/go/bin/dwarf2json "System/Library/Kernels/kernel.dSYM/Contents/Resources/DWARF/kernel" > "../JSON/${1}.json"
+
+mkdir -p "../${UNPACK_DIR}/${KERNEL_DIR}"
+
+if [ -f "System/Library/Kernels/kernel" ]; then
+  cp "System/Library/Kernels/kernel" "../${UNPACK_DIR}/${KERNEL_DIR}/kernel"
+  cp "System/Library/Kernels/kernel.dSYM/Contents/Resources/DWARF/kernel" "../${UNPACK_DIR}/${KERNEL_DIR}/kernel.dSYM"
+elif [ -f "System/mach_kernel.dSYM/Contents/Resources/DWARF/mach_kernel" ]; then
+  cp System/mach_kernel "../${UNPACK_DIR}/${KERNEL_DIR}/kernel"
+  cp System/mach_kernel.dSYM/Contents/Resources/DWARF/mach_kernel "../${UNPACK_DIR}/${KERNEL_DIR}/kernel.dSYM"
+fi
+
+chmod -R ug+w "../${UNPACK_DIR}/${KERNEL_DIR}"
+
+${DWARF2JSON} 
 popd
 rm -fr tmp
-mv "${1}" Complete
+
+${DWARF2JSON} mac --macho "${UNPACK_DIR}/${KERNEL_DIR}/kernel.dSYM" --macho-symbols "${UNPACK_DIRECTORY}/${KERNEL_DIR}/kernel" | xz -9 > ${JSON_DIR}/${KERNEL_DIR}.json.xz