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Diffstat (limited to 'libjava/include/java-interp.h')
| -rw-r--r-- | libjava/include/java-interp.h | 216 |
1 files changed, 0 insertions, 216 deletions
diff --git a/libjava/include/java-interp.h b/libjava/include/java-interp.h deleted file mode 100644 index 59976b31acf..00000000000 --- a/libjava/include/java-interp.h +++ /dev/null @@ -1,216 +0,0 @@ -// java-interp.h - Header file for the bytecode interpreter. -*- c++ -*- - -/* Copyright (C) 1999, 2000 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> - -#ifdef INTERPRETER - -#pragma interface - -#include <java/lang/Class.h> -#include <java/lang/ClassLoader.h> - -extern "C" { -#include <ffi.h> -} - -extern inline jboolean -_Jv_IsInterpretedClass (jclass c) -{ - return (c->loader != 0); -} - -struct _Jv_ResolvedMethod; - -void _Jv_VerifyFieldSignature (_Jv_Utf8Const*sig); -void _Jv_VerifyMethodSignature (_Jv_Utf8Const*sig); -void _Jv_VerifyClassName (unsigned char* ptr, _Jv_ushort length); -void _Jv_VerifyClassName (_Jv_Utf8Const *name); -void _Jv_VerifyIdentifier (_Jv_Utf8Const *); -bool _Jv_ClassNameSamePackage (_Jv_Utf8Const *name1, _Jv_Utf8Const *name2); -void _Jv_DefineClass (jclass, jbyteArray, jint, jint); -void _Jv_ResolveField (_Jv_Field *, java::lang::ClassLoader*); - -void _Jv_InitField (jobject, jclass, int); -void * _Jv_AllocMethodInvocation (jsize size); - -/* 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; -class _Jv_InterpMethodInvocation; - -class _Jv_InterpException { - int start_pc; - int end_pc; - int handler_pc; - int handler_type; - - friend class _Jv_ClassReader; - friend class _Jv_InterpMethod; -}; - -// Base class for method representations. Subclasses are interpreted -// and JNI methods. -class _Jv_MethodBase -{ -protected: - // The class which defined this method. - _Jv_InterpClass *defining_class; - - // The method description. - _Jv_Method *self; - - // Size of raw arguments. - _Jv_ushort args_raw_size; - -public: - _Jv_Method *get_method () - { - return self; - } -}; - -class _Jv_InterpMethod : public _Jv_MethodBase -{ - _Jv_ushort max_stack; - _Jv_ushort max_locals; - int code_length; - - _Jv_ushort exc_count; - - unsigned char* bytecode () - { - return - ((unsigned char*)this) - + ROUND((sizeof (_Jv_InterpMethod) - + exc_count*sizeof (_Jv_InterpException)), 4); - } - - _Jv_InterpException * exceptions () - { - return (_Jv_InterpException*) (this+1); - } - - static size_t size (int exc_count, int code_length) - { - return - ROUND ((sizeof (_Jv_InterpMethod) - + (exc_count * sizeof (_Jv_InterpException))), 4) - + code_length; - } - - // return the method's invocation pointer (a stub). - void *ncode (); - void continue1 (_Jv_InterpMethodInvocation *inv); - - static void run_normal (ffi_cif*, void*, ffi_raw*, void*); - static void run_synch_object (ffi_cif*, void*, ffi_raw*, void*); - static void run_synch_class (ffi_cif*, void*, ffi_raw*, void*); - - inline jobject run (ffi_cif*, void*, ffi_raw*, - _Jv_InterpMethodInvocation*); - - bool find_exception (jobject ex, - _Jv_InterpMethodInvocation *inv); - - public: - static void dump_object(jobject o); - - friend class _Jv_ClassReader; - friend class _Jv_InterpMethodInvocation; - - friend void _Jv_PrepareClass(jclass); -}; - -class _Jv_InterpMethodInvocation { - _Jv_InterpMethod *running; - _Jv_word *sp; - unsigned char *pc; - _Jv_word state[0]; - - _Jv_word* stack_base () { return &state[0]; } - _Jv_word* local_base () { return &state[running->max_stack]; } - - friend class _Jv_InterpMethod; -}; - -class _Jv_InterpClass : public java::lang::Class -{ - _Jv_MethodBase **interpreted_methods; - _Jv_ushort *field_initializers; - - friend class _Jv_ClassReader; - friend class _Jv_InterpMethod; - friend void _Jv_PrepareClass(jclass); - friend void _Jv_InitField (jobject, jclass, int); - friend void* _Jv_MarkObj (void *, void *, void *, void *); - - friend _Jv_MethodBase ** _Jv_GetFirstMethod (_Jv_InterpClass *klass); -}; - -extern inline _Jv_MethodBase ** -_Jv_GetFirstMethod (_Jv_InterpClass *klass) -{ - return klass->interpreted_methods; -} - -struct _Jv_ResolvedMethod { - jint stack_item_count; - jint vtable_index; - jclass klass; - _Jv_Method* method; - - // a resolved method holds the cif in-line, so that _Jv_MarkObj just needs - // to mark the resolved method to hold on to the cif. Some memory could be - // saved by keeping a cache of cif's, since many will be the same. - ffi_cif cif; - ffi_type * arg_types[0]; -}; - -class _Jv_JNIMethod : public _Jv_MethodBase -{ - // The underlying function. If NULL we have to look for the - // function. - void *function; - - // This is the CIF used by the JNI function. - ffi_cif jni_cif; - - // These are the argument types used by the JNI function. - ffi_type **jni_arg_types; - - // This function is used when making a JNI call from the interpreter. - static void call (ffi_cif *, void *, ffi_raw *, void *); - - void *ncode (); - - friend class _Jv_ClassReader; - friend void _Jv_PrepareClass(jclass); - -public: - // FIXME: this is ugly. - void set_function (void *f) - { - function = f; - } -}; - -#endif /* INTERPRETER */ - -#endif /* __JAVA_INTERP_H__ */ |