src/share/vm/runtime/os.hpp

@@ -554,17 +554,17 @@
   static int available(int fd, jlong *bytes);
 
   //File i/o operations
 
   static size_t read(int fd, void *buf, unsigned int nBytes);
+  static size_t read_at(int fd, void *buf, unsigned int nBytes, jlong offset);
   static size_t restartable_read(int fd, void *buf, unsigned int nBytes);
   static size_t write(int fd, const void *buf, unsigned int nBytes);
 
   // Reading directories.
   static DIR*           opendir(const char* dirname);
-  static int            readdir_buf_size(const char *path);
-  static struct dirent* readdir(DIR* dirp, dirent* dbuf);
+  static struct dirent* readdir(DIR* dirp);
   static int            closedir(DIR* dirp);
 
   // Dynamic library extension
   static const char*    dll_file_extension();
 

@@ -603,10 +603,20 @@
   static void* dll_lookup(void* handle, const char* name);
 
   // Unload library
   static void  dll_unload(void *lib);
 
+  // Callback for loaded module information
+  // Input parameters:
+  //    char*     module_file_name,
+  //    address   module_base_addr,
+  //    address   module_top_addr,
+  //    void*     param
+  typedef int (*LoadedModulesCallbackFunc)(const char *, address, address, void *);
+
+  static int get_loaded_modules_info(LoadedModulesCallbackFunc callback, void *param);
+
   // Return the handle of this process
   static void* get_default_process_handle();
 
   // Check for static linked agent library
   static bool find_builtin_agent(AgentLibrary *agent_lib, const char *syms[],