source: branches/libc-0.6/src/gcc/libjava/include/java-interp.h@ 2777

// java-interp.h - Header file for the bytecode interpreter.  -*- c++ -*-

/* Copyright (C) 1999, 2000, 2001, 2002  Free Software Foundation

   This file is part of libgcj.

This software is copyrighted work licensed under the terms of the
Libgcj License.  Please consult the file "LIBGCJ_LICENSE" for
details.  */

#ifndef __JAVA_INTERP_H__
#define __JAVA_INTERP_H__

#include <jvm.h>
#include <java-cpool.h>
#include <gnu/gcj/runtime/NameFinder.h>

#ifdef INTERPRETER

#pragma interface

#include <java/lang/Class.h>
#include <java/lang/ClassLoader.h>
#include <java/lang/reflect/Modifier.h>
#include <gnu/gcj/runtime/StackTrace.h>

extern "C" {
#include <ffi.h>
}

extern inline jboolean
_Jv_IsInterpretedClass (jclass c)
{
  return (c->accflags & java::lang::reflect::Modifier::INTERPRETED) != 0;
}

struct _Jv_ResolvedMethod;

void _Jv_DefineClass (jclass, jbyteArray, jint, jint);

void _Jv_InitField (jobject, jclass, int);
void * _Jv_AllocMethodInvocation (jsize size);
int  _Jv_count_arguments (_Jv_Utf8Const *signature,
                          jboolean staticp = true);
void _Jv_VerifyMethod (_Jv_InterpMethod *method);

/* FIXME: this should really be defined in some more generic place */
#define ROUND(V, A) (((((unsigned) (V))-1) | ((A)-1))+1)

/* the interpreter is written in C++, primarily because it makes it easy for
 * the entire thing to be "friend" with class Class. */

class _Jv_InterpClass;
class _Jv_InterpMethod;

// Before a method is "compiled" we store values as the bytecode PC,
// an int.  Afterwards we store them as pointers into the prepared
// code itself.
union _Jv_InterpPC
{
  int i;
  void *p;
};

class _Jv_InterpException
{
  _Jv_InterpPC start_pc;
  _Jv_InterpPC end_pc;
  _Jv_InterpPC handler_pc;
  _Jv_InterpPC handler_type;