src/os/posix/vm/os_posix.cpp

*** 1,7 ****
  /*
! * Copyright (c) 1999, 2012, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 only, as
  * published by the Free Software Foundation.
--- 1,7 ----
  /*
! * Copyright (c) 1999, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 only, as
  * published by the Free Software Foundation.
*** 258,267 ****
--- 258,316 ----
  
  FILE* os::open(int fd, const char* mode) {
    return ::fdopen(fd, mode);
  }
  
+ void* os::get_default_process_handle() {
+   return (void*)::dlopen(NULL, RTLD_LAZY);
+ }
+ 
+ // Builds a platform dependent Agent_OnLoad_<lib_name> function name
+ // which is used to find statically linked in agents. 
+ // Parameters:
+ //            sym_name: Symbol in library we are looking for
+ //            lib_name: Name of library to look in, NULL for shared libs.
+ //            is_absolute_path == true if lib_name is absolute path to agent
+ //                                     such as "/a/b/libL.so"
+ //            == false if only the base name of the library is passed in
+ //               such as "L"
+ char* os::build_agent_function_name(const char *sym_name, const char *lib_name,
+                                     bool is_absolute_path) {
+   char *agent_entry_name;
+   size_t len;
+   size_t name_len;
+   size_t prefix_len = strlen(JNI_LIB_PREFIX);
+   size_t suffix_len = strlen(JNI_LIB_SUFFIX);
+   const char *start;
+ 
+   if (lib_name != NULL) {
+     len = name_len = strlen(lib_name);
+     if (is_absolute_path) {
+       // Need to strip path, prefix and suffix
+       if ((start = strrchr(lib_name, *os::file_separator())) != NULL) {
+         lib_name = ++start;
+       }
+       if (len <= (prefix_len + suffix_len)) {
+         return NULL;
+       }
+       lib_name += prefix_len;
+       name_len = strlen(lib_name) - suffix_len;
+     }
+   }
+   len = (lib_name != NULL ? name_len : 0) + strlen(sym_name) + 2;
+   agent_entry_name = NEW_C_HEAP_ARRAY_RETURN_NULL(char, len, mtThread);
+   if (agent_entry_name == NULL) {
+     return NULL;
+   }
+   strcpy(agent_entry_name, sym_name);
+   if (lib_name != NULL) {
+     strcat(agent_entry_name, "_");
+     strncat(agent_entry_name, lib_name, name_len);
+   }
+   return agent_entry_name;
+ }
+ 
  os::WatcherThreadCrashProtection::WatcherThreadCrashProtection() {
    assert(Thread::current()->is_Watcher_thread(), "Must be WatcherThread");
  }
  
  /*