1 /*
   2  * Copyright (c) 1999, 2012, Oracle and/or its affiliates. All rights reserved.
   3  * Copyright 2008, 2009, 2010 Red Hat, Inc.
   4  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   5  *
   6  * This code is free software; you can redistribute it and/or modify it
   7  * under the terms of the GNU General Public License version 2 only, as
   8  * published by the Free Software Foundation.
   9  *
  10  * This code is distributed in the hope that it will be useful, but WITHOUT
  11  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  12  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  13  * version 2 for more details (a copy is included in the LICENSE file that
  14  * accompanied this code).
  15  *
  16  * You should have received a copy of the GNU General Public License version
  17  * 2 along with this work; if not, write to the Free Software Foundation,
  18  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  19  *
  20  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  21  * or visit www.oracle.com if you need additional information or have any
  22  * questions.
  23  *
  24  */
  25 
  26 #ifndef SHARE_VM_SHARK_SHARKRUNTIME_HPP
  27 #define SHARE_VM_SHARK_SHARKRUNTIME_HPP
  28 
  29 #include "memory/allocation.hpp"
  30 #include "runtime/thread.hpp"
  31 #include "shark/llvmHeaders.hpp"
  32 #include "shark/llvmValue.hpp"
  33 
  34 class SharkRuntime : public AllStatic {
  35   // VM calls
  36  public:
  37   static int find_exception_handler(JavaThread* thread,
  38                                     int*        indexes,
  39                                     int         num_indexes);
  40 
  41   static void monitorenter(JavaThread* thread, BasicObjectLock* lock);
  42   static void monitorexit(JavaThread* thread, BasicObjectLock* lock);
  43 
  44   static void new_instance(JavaThread* thread, int index);
  45   static void newarray(JavaThread* thread, BasicType type, int size);
  46   static void anewarray(JavaThread* thread, int index, int size);
  47   static void multianewarray(JavaThread* thread,
  48                              int         index,
  49                              int         ndims,
  50                              int*        dims);
  51 
  52   static void register_finalizer(JavaThread* thread, oop object);
  53 
  54   static void throw_ArithmeticException(JavaThread* thread,
  55                                         const char* file,
  56                                         int         line);
  57   static void throw_ArrayIndexOutOfBoundsException(JavaThread* thread,
  58                                                    const char* file,
  59                                                    int         line,
  60                                                    int         index);
  61   static void throw_ClassCastException(JavaThread* thread,
  62                                        const char* file,
  63                                        int         line);
  64   static void throw_NullPointerException(JavaThread* thread,
  65                                          const char* file,
  66                                          int         line);
  67 
  68   // Helpers for VM calls
  69  private:
  70   static const SharkFrame* last_frame(JavaThread *thread) {
  71     return thread->last_frame().zero_sharkframe();
  72   }
  73   static Method* method(JavaThread *thread) {
  74     return last_frame(thread)->method();
  75   }
  76   static address bcp(JavaThread *thread, int bci) {
  77     return method(thread)->code_base() + bci;
  78   }
  79   static int two_byte_index(JavaThread *thread, int bci) {
  80     return Bytes::get_Java_u2(bcp(thread, bci) + 1);
  81   }
  82   static intptr_t tos_at(JavaThread *thread, int offset) {
  83     return *(thread->zero_stack()->sp() + offset);
  84   }
  85 
  86   // Non-VM calls
  87  public:
  88   static void dump(const char *name, intptr_t value);
  89   static bool is_subtype_of(Klass* check_klass, Klass* object_klass);
  90   static int uncommon_trap(JavaThread* thread, int trap_request);
  91 };
  92 
  93 #endif // SHARE_VM_SHARK_SHARKRUNTIME_HPP