--- a/hotspot/src/share/vm/classfile/classLoader.cpp	Tue Nov 18 15:25:14 2014 -0800
+++ b/hotspot/src/share/vm/classfile/classLoader.cpp	Wed Dec 03 14:21:14 2014 +0000
@@ -28,6 +28,7 @@
 #include "classfile/classLoader.hpp"
 #include "classfile/classLoaderExt.hpp"
 #include "classfile/classLoaderData.inline.hpp"
+#include "classfile/imageFile.hpp"
 #include "classfile/javaClasses.hpp"
 #if INCLUDE_CDS
 #include "classfile/sharedPathsMiscInfo.hpp"
@@ -67,7 +68,7 @@
 #include "utilities/hashtable.hpp"
 #include "utilities/hashtable.inline.hpp"
 
-// Entry points in zip.dll for loading zip/jar file entries
+// Entry points in zip.dll for loading zip/jar file entries and image file entries
 
 typedef void * * (JNICALL *ZipOpen_t)(const char *name, char **pmsg);
 typedef void (JNICALL *ZipClose_t)(jzfile *zip);
@@ -75,6 +76,7 @@
 typedef jboolean (JNICALL *ReadEntry_t)(jzfile *zip, jzentry *entry, unsigned char *buf, char *namebuf);
 typedef jboolean (JNICALL *ReadMappedEntry_t)(jzfile *zip, jzentry *entry, unsigned char **buf, char *namebuf);
 typedef jzentry* (JNICALL *GetNextEntry_t)(jzfile *zip, jint n);
+typedef jboolean (JNICALL *ZipInflateFully_t)(void *inBuf, jlong inLen, void *outBuf, jlong outLen, char **pmsg);
 typedef jint     (JNICALL *Crc32_t)(jint crc, const jbyte *buf, jint len);
 
 static ZipOpen_t         ZipOpen            = NULL;
@@ -84,6 +86,7 @@
 static ReadMappedEntry_t ReadMappedEntry    = NULL;
 static GetNextEntry_t    GetNextEntry       = NULL;
 static canonicalize_fn_t CanonicalizeEntry  = NULL;
+static ZipInflateFully_t ZipInflateFully    = NULL;
 static Crc32_t           Crc32              = NULL;
 
 // Globals
@@ -322,6 +325,8 @@
 }
 
 bool LazyClassPathEntry::is_jar_file() {
+  size_t len = strlen(_path);
+  if (len < 4 || strcmp(_path + len - 4, ".jar") != 0) return false;
   return ((_st.st_mode & S_IFREG) == S_IFREG);
 }
 
@@ -385,6 +390,78 @@
   }
 }
 
+ClassPathImageEntry::ClassPathImageEntry(char* name) : ClassPathEntry(), _image(new ImageFile(name)) {
+  bool opened = _image->open();
+  if (!opened) {
+    _image = NULL;
+  }
+}
+
+ClassPathImageEntry::~ClassPathImageEntry() {
+  if (_image) {
+    _image->close();
+    _image = NULL;
+  }
+}
+
+const char* ClassPathImageEntry::name() {
+  return _image ? _image->name() : "";
+}
+
+ClassFileStream* ClassPathImageEntry::open_stream(const char* name, TRAPS) {
+  u1* buffer;
+  u8 size;
+  _image->get_resource(name, buffer, size);
+
+  if (buffer) {
+    if (UsePerfData) {
+      ClassLoader::perf_sys_classfile_bytes_read()->inc(size);
+    }
+    return new ClassFileStream(buffer, (int)size, (char*)name);  // Resource allocated
+  }
+
+  return NULL;
+}
+
+#ifndef PRODUCT
+void ClassPathImageEntry::compile_the_world(Handle loader, TRAPS) {
+  tty->print_cr("CompileTheWorld : Compiling all classes in %s", name());
+  tty->cr();
+  const ImageStrings strings = _image->get_strings();
+  // Retrieve each path component string.
+  u4 count = _image->get_location_count();
+  for (u4 i = 0; i < count; i++) {
+    u1* location_data = _image->get_location_data(i);
+
+    if (location_data) {
+       ImageLocation location(location_data);
+       const char* parent = location.get_attribute(ImageLocation::ATTRIBUTE_PARENT, strings);
+       const char* base = location.get_attribute(ImageLocation::ATTRIBUTE_BASE, strings);
+       const char* extension = location.get_attribute(ImageLocation::ATTRIBUTE_EXTENSION, strings);
+       assert((strlen(parent) + strlen(base) + strlen(extension)) < JVM_MAXPATHLEN, "path exceeds buffer");
+       char path[JVM_MAXPATHLEN];
+       strcpy(path, parent);
+       strcat(path, base);
+       strcat(path, extension);
+       ClassLoader::compile_the_world_in(path, loader, CHECK);
+    }
+  }
+  if (HAS_PENDING_EXCEPTION) {
+  if (PENDING_EXCEPTION->is_a(SystemDictionary::OutOfMemoryError_klass())) {
+    CLEAR_PENDING_EXCEPTION;
+    tty->print_cr("\nCompileTheWorld : Ran out of memory\n");
+    tty->print_cr("Increase class metadata storage if a limit was set");
+  } else {
+    tty->print_cr("\nCompileTheWorld : Unexpected exception occurred\n");
+  }
+  }
+}
+
+bool ClassPathImageEntry::is_jrt() {
+  return string_ends_with(name(), "bootmodules.jimage");
+}
+#endif
+
 static void print_meta_index(LazyClassPathEntry* entry,
                              GrowableArray<char*>& meta_packages) {
   tty->print("[Meta index for %s=", entry->name());
@@ -634,7 +711,7 @@
   }
   ClassPathEntry* new_entry = NULL;
   if ((st->st_mode & S_IFREG) == S_IFREG) {
-    // Regular file, should be a zip file
+    // Regular file, should be a zip or image file
     // Canonicalized filename
     char canonical_path[JVM_MAXPATHLEN];
     if (!get_canonical_path(path, canonical_path, JVM_MAXPATHLEN)) {
@@ -645,6 +722,11 @@
         return NULL;
       }
     }
+    // TODO - add proper criteria for selecting image file
+    ClassPathImageEntry* entry = new ClassPathImageEntry(canonical_path);
+    if (entry->is_open()) {
+      new_entry = entry;
+    } else {
     char* error_msg = NULL;
     jzfile* zip;
     {
@@ -655,9 +737,6 @@
     }
     if (zip != NULL && error_msg == NULL) {
       new_entry = new ClassPathZipEntry(zip, path);
-      if (TraceClassLoading || TraceClassPaths) {
-        tty->print_cr("[Opened %s]", path);
-      }
     } else {
       ResourceMark rm(thread);
       char *msg;
@@ -675,10 +754,14 @@
         return NULL;
       }
     }
+    }
+    if (TraceClassLoading || TraceClassPaths) {
+      tty->print_cr("[Opened %s]", path);
+    }
   } else {
     // Directory
     new_entry = new ClassPathDirEntry(path);
-    if (TraceClassLoading || TraceClassPaths) {
+    if (TraceClassLoading) {
       tty->print_cr("[Path %s]", path);
     }
   }
@@ -801,6 +884,7 @@
   ReadEntry    = CAST_TO_FN_PTR(ReadEntry_t, os::dll_lookup(handle, "ZIP_ReadEntry"));
   ReadMappedEntry = CAST_TO_FN_PTR(ReadMappedEntry_t, os::dll_lookup(handle, "ZIP_ReadMappedEntry"));
   GetNextEntry = CAST_TO_FN_PTR(GetNextEntry_t, os::dll_lookup(handle, "ZIP_GetNextEntry"));
+  ZipInflateFully = CAST_TO_FN_PTR(ZipInflateFully_t, os::dll_lookup(handle, "ZIP_InflateFully"));
   Crc32        = CAST_TO_FN_PTR(Crc32_t, os::dll_lookup(handle, "ZIP_CRC32"));
 
   // ZIP_Close is not exported on Windows in JDK5.0 so don't abort if ZIP_Close is NULL
@@ -809,12 +893,20 @@
     vm_exit_during_initialization("Corrupted ZIP library", path);
   }
 
+  if (ZipInflateFully == NULL) {
+    vm_exit_during_initialization("Corrupted ZIP library ZIP_InflateFully missing", path);
+  }
+
   // Lookup canonicalize entry in libjava.dll
   void *javalib_handle = os::native_java_library();
   CanonicalizeEntry = CAST_TO_FN_PTR(canonicalize_fn_t, os::dll_lookup(javalib_handle, "Canonicalize"));
   // This lookup only works on 1.3. Do not check for non-null here
 }
 
+jboolean ClassLoader::decompress(void *in, u8 inSize, void *out, u8 outSize, char **pmsg) {
+  return (*ZipInflateFully)(in, inSize, out, outSize, pmsg);
+}
+
 int ClassLoader::crc32(int crc, const char* buf, int len) {
   assert(Crc32 != NULL, "ZIP_CRC32 is not found");
   return (*Crc32)(crc, (const jbyte*)buf, len);
@@ -1367,8 +1459,7 @@
   tty->cr();
 }
 
-
-bool ClassPathDirEntry::is_rt_jar() {
+bool ClassPathDirEntry::is_jrt() {
   return false;
 }
 
@@ -1393,13 +1484,13 @@
   }
 }
 
-bool ClassPathZipEntry::is_rt_jar() {
+bool ClassPathZipEntry::is_jrt() {
   real_jzfile* zip = (real_jzfile*) _zip;
   int len = (int)strlen(zip->name);
   // Check whether zip name ends in "rt.jar"
   // This will match other archives named rt.jar as well, but this is
   // only used for debugging.
-  return (len >= 6) && (strcasecmp(zip->name + len - 6, "rt.jar") == 0);
+  return string_ends_with(zip->name, "rt.jar");
 }
 
 void LazyClassPathEntry::compile_the_world(Handle loader, TRAPS) {
@@ -1409,7 +1500,7 @@
   }
 }
 
-bool LazyClassPathEntry::is_rt_jar() {
+bool LazyClassPathEntry::is_jrt() {
   Thread* THREAD = Thread::current();
   ClassPathEntry* cpe = resolve_entry(THREAD);
   return (cpe != NULL) ? cpe->is_jar_file() : false;
@@ -1428,7 +1519,7 @@
   jlong start = os::javaTimeMillis();
   while (e != NULL) {
     // We stop at rt.jar, unless it is the first bootstrap path entry
-    if (e->is_rt_jar() && e != _first_entry) break;
+    if (e->is_jrt() && e != _first_entry) break;
     e->compile_the_world(system_class_loader, CATCH);
     e = e->next();
   }
@@ -1476,9 +1567,9 @@
 }
 
 void ClassLoader::compile_the_world_in(char* name, Handle loader, TRAPS) {
-  int len = (int)strlen(name);
-  if (len > 6 && strcmp(".class", name + len - 6) == 0) {
+  if (string_ends_with(name, ".class")) {
     // We have a .class file
+    int len = (int)strlen(name);
     char buffer[2048];
     strncpy(buffer, name, len - 6);
     buffer[len-6] = 0;