--- a/hotspot/src/os/solaris/vm/os_solaris.cpp	Tue Nov 18 15:25:14 2014 -0800
+++ b/hotspot/src/os/solaris/vm/os_solaris.cpp	Wed Dec 03 14:21:14 2014 +0000
@@ -609,17 +609,15 @@
 // Base path of extensions installed on the system.
 #define SYS_EXT_DIR     "/usr/jdk/packages"
 #define EXTENSIONS_DIR  "/lib/ext"
-#define ENDORSED_DIR    "/lib/endorsed"
 
   char cpu_arch[12];
   // Buffer that fits several sprintfs.
   // Note that the space for the colon and the trailing null are provided
   // by the nulls included by the sizeof operator.
   const size_t bufsize =
-    MAX4((size_t)MAXPATHLEN,  // For dll_dir & friends.
+    MAX3((size_t)MAXPATHLEN,  // For dll_dir & friends.
          sizeof(SYS_EXT_DIR) + sizeof("/lib/") + strlen(cpu_arch), // invariant ld_library_path
-         (size_t)MAXPATHLEN + sizeof(EXTENSIONS_DIR) + sizeof(SYS_EXT_DIR) + sizeof(EXTENSIONS_DIR), // extensions dir
-         (size_t)MAXPATHLEN + sizeof(ENDORSED_DIR)); // endorsed dir
+         (size_t)MAXPATHLEN + sizeof(EXTENSIONS_DIR) + sizeof(SYS_EXT_DIR) + sizeof(EXTENSIONS_DIR)); // extensions dir
   char *buf = (char *)NEW_C_HEAP_ARRAY(char, bufsize, mtInternal);
 
   // sysclasspath, java_home, dll_dir
@@ -765,15 +763,10 @@
   sprintf(buf, "%s" EXTENSIONS_DIR ":" SYS_EXT_DIR EXTENSIONS_DIR, Arguments::get_java_home());
   Arguments::set_ext_dirs(buf);
 
-  // Endorsed standards default directory.
-  sprintf(buf, "%s" ENDORSED_DIR, Arguments::get_java_home());
-  Arguments::set_endorsed_dirs(buf);
-
   FREE_C_HEAP_ARRAY(char, buf, mtInternal);
 
 #undef SYS_EXT_DIR
 #undef EXTENSIONS_DIR
-#undef ENDORSED_DIR
 }
 
 void os::breakpoint() {
@@ -3164,6 +3157,15 @@
   return res;
 }
 
+size_t os::read_at(int fd, void *buf, unsigned int nBytes, jlong offset) {
+  size_t res;
+  JavaThread* thread = (JavaThread*)Thread::current();
+  assert(thread->thread_state() == _thread_in_vm, "Assumed _thread_in_vm");
+  ThreadBlockInVM tbiv(thread);
+  RESTARTABLE(::pread(fd, buf, (size_t) nBytes, offset), res);
+  return res;
+}
+
 size_t os::restartable_read(int fd, void *buf, unsigned int nBytes) {
   size_t res;
   assert(((JavaThread*)Thread::current())->thread_state() == _thread_in_native,