upload android base code part3

android/bionic/build/run-on-host.sh

@@ -0,0 +1,47 @@
+#!/bin/bash -e
+
+source ${ANDROID_BUILD_TOP}/build/envsetup.sh
+
+TARGET_ARCH=$(get_build_var TARGET_ARCH)
+TARGET_OUT=$(get_build_var TARGET_OUT)
+TARGET_OUT_EXECUTABLES=$(get_build_var TARGET_OUT_EXECUTABLES)
+TARGET_OUT_DATA=$(get_build_var TARGET_OUT_DATA)
+HOST_OS=$(get_build_var HOST_OS)
+HOST_ARCH=$(get_build_var HOST_ARCH)
+HOST_OUT=$(get_build_var HOST_OUT)
+
+function prepare()
+{
+    BITS=$1
+    shift
+
+    NATIVETEST=${TARGET_OUT_DATA}/nativetest
+    if [ "${BITS}" = 64 ]; then
+        NATIVETEST=${NATIVETEST}64
+    fi
+
+    if [ ${TARGET_ARCH} = arm -o ${TARGET_ARCH} = mips -o ${TARGET_ARCH} = x86 ]; then
+        LINKER=${TARGET_OUT_EXECUTABLES}/linker
+    else
+        LINKER="${TARGET_OUT_EXECUTABLES}/linker64 ${TARGET_OUT_EXECUTABLES}/linker"
+    fi
+
+    if [ ${TARGET_ARCH} = x86 -o ${TARGET_ARCH} = x86_64 ]; then
+        m -j ${LINKER} ${TARGET_OUT}/etc/hosts ${TARGET_OUT_EXECUTABLES}/sh $@
+
+        if [ ! -d /system ]; then
+            echo "Attempting to create /system";
+            sudo mkdir -p -m 0777 /system;
+        fi
+        (
+            cd ${ANDROID_BUILD_TOP}
+            mkdir -p ${TARGET_OUT_DATA}/local/tmp
+            ln -fs `realpath ${TARGET_OUT}/bin` /system/
+            ln -fs `realpath ${TARGET_OUT}/etc` /system/
+            ln -fs `realpath ${TARGET_OUT}/lib` /system/
+            if [ -d "${TARGET_OUT}/lib64" ]; then
+                ln -fs `realpath ${TARGET_OUT}/lib64` /system/;
+            fi
+        )
+    fi
+}