hotspot/src/share/vm/shark/sharkRuntime.hpp
author coleenp
Mon, 14 Jan 2013 11:01:39 -0500
changeset 15194 a35093d73168
parent 13728 882756847a04
permissions -rw-r--r--
8006005: Fix constant pool index validation and alignment trap for method parameter reflection Summary: This patch addresses an alignment trap due to the storage format of method parameters data in constMethod. It also adds code to validate constant pool indexes for method parameters data. Reviewed-by: jrose, dholmes Contributed-by: eric.mccorkle@oracle.com

/*
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 * Copyright 2008, 2009, 2010 Red Hat, Inc.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
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#ifndef SHARE_VM_SHARK_SHARKRUNTIME_HPP
#define SHARE_VM_SHARK_SHARKRUNTIME_HPP

#include "memory/allocation.hpp"
#include "runtime/thread.hpp"
#include "shark/llvmHeaders.hpp"
#include "shark/llvmValue.hpp"

class SharkRuntime : public AllStatic {
  // VM calls
 public:
  static int find_exception_handler(JavaThread* thread,
                                    int*        indexes,
                                    int         num_indexes);

  static void monitorenter(JavaThread* thread, BasicObjectLock* lock);
  static void monitorexit(JavaThread* thread, BasicObjectLock* lock);

  static void new_instance(JavaThread* thread, int index);
  static void newarray(JavaThread* thread, BasicType type, int size);
  static void anewarray(JavaThread* thread, int index, int size);
  static void multianewarray(JavaThread* thread,
                             int         index,
                             int         ndims,
                             int*        dims);

  static void register_finalizer(JavaThread* thread, oop object);

  static void throw_ArithmeticException(JavaThread* thread,
                                        const char* file,
                                        int         line);
  static void throw_ArrayIndexOutOfBoundsException(JavaThread* thread,
                                                   const char* file,
                                                   int         line,
                                                   int         index);
  static void throw_ClassCastException(JavaThread* thread,
                                       const char* file,
                                       int         line);
  static void throw_NullPointerException(JavaThread* thread,
                                         const char* file,
                                         int         line);

  // Helpers for VM calls
 private:
  static const SharkFrame* last_frame(JavaThread *thread) {
    return thread->last_frame().zero_sharkframe();
  }
  static Method* method(JavaThread *thread) {
    return last_frame(thread)->method();
  }
  static address bcp(JavaThread *thread, int bci) {
    return method(thread)->code_base() + bci;
  }
  static int two_byte_index(JavaThread *thread, int bci) {
    return Bytes::get_Java_u2(bcp(thread, bci) + 1);
  }
  static intptr_t tos_at(JavaThread *thread, int offset) {
    return *(thread->zero_stack()->sp() + offset);
  }

  // Non-VM calls
 public:
  static void dump(const char *name, intptr_t value);
  static bool is_subtype_of(Klass* check_klass, Klass* object_klass);
  static int uncommon_trap(JavaThread* thread, int trap_request);
};

#endif // SHARE_VM_SHARK_SHARKRUNTIME_HPP