+++ /dev/null
-/* src/vmcore/classcache.h - loaded class cache and loading constraints
-
- Copyright (C) 1996-2005, 2006, 2007, 2008
- CACAOVM - Verein zur Foerderung der freien virtuellen Maschine CACAO
-
- This file is part of CACAO.
-
- This program is free software; you can redistribute it and/or
- modify it under the terms of the GNU General Public License as
- published by the Free Software Foundation; either version 2, or (at
- your option) any later version.
-
- This program is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
- 02110-1301, USA.
-
-*/
-
-
-#ifndef _CLASSCACHE_H
-#define _CLASSCACHE_H
-
-#include "config.h"
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-#include "vm/types.h"
-
-#include <stdio.h> /* for FILE */
-
-#if defined(ENABLE_JVMTI)
-# include "native/jni.h"
-#endif
-
-#include "toolbox/hashtable.h"
-
-#include "vm/global.h"
-
-#include "vmcore/class.h"
-#include "vmcore/loader.h"
-#include "vmcore/references.h"
-
-
-/* forward declarations *******************************************************/
-
-typedef struct classcache_name_entry classcache_name_entry;
-typedef struct classcache_class_entry classcache_class_entry;
-typedef struct classcache_loader_entry classcache_loader_entry;
-
-/* global variables ***********************************************************/
-
-extern hashtable hashtable_classcache;
-
-
-/* structs ********************************************************************/
-
-/*----------------------------------------------------------------------------*/
-/* The Loaded Class Cache */
-/* */
-/* The loaded class cache is implemented as a two-level data structure. */
-/* */
-/* The first level is a hash table indexed by class names. For each class */
-/* name in the cache there is a classcache_name_entry, which collects all */
-/* information about classes with this class name. */
-/* */
-/* Second level: For each classcache_name_entry there is a list of */
-/* classcache_class_entry:s representing the possible different resolutions */
-/* of the class name. */
-/* */
-/* A classcache_class_entry records the following: */
-/* */
-/* - the loaded class object, if this entry has been resolved, otherwise NULL */
-/* - the list of initiating loaders which have resolved the class name to */
-/* this class object */
-/* - the list of initiating loaders which are constrained to resolve this */
-/* class name to this class object in the future */
-/* */
-/* The classcache_class_entry:s approximate the equivalence classes created */
-/* by the loading constraints and the equivalence of loaded classes. */
-/* */
-/* When a loading constraint (loaderA,loaderB,NAME) is added, then the */
-/* classcache_class_entry:s for NAME containing loaderA and loaderB resp. */
-/* must be merged into one entry. If this is impossible, because the entries */
-/* have already been resolved to different class objects, then the constraint */
-/* is violated and an expception must be thrown. */
-/*----------------------------------------------------------------------------*/
-
-
-/* classcache_name_entry
- *
- * For each classname a classcache_name_entry struct is created.
- */
-
-struct classcache_name_entry
-{
- utf *name; /* class name */
- classcache_name_entry *hashlink; /* link for external chaining */
- classcache_class_entry *classes; /* equivalence classes for this name*/
-};
-
-struct classcache_class_entry
-{
- classinfo *classobj; /* the loaded class object, or NULL */
- classcache_loader_entry *loaders;
- classcache_loader_entry *constraints;
- classcache_class_entry *next; /* next class entry for same name */
-};
-
-struct classcache_loader_entry
-{
- classloader_t *loader; /* class loader object */
- classcache_loader_entry *next; /* next loader entry in the list */
-};
-
-
-/* callback function type for classcache_foreach_loaded_class */
-
-typedef void (*classcache_foreach_functionptr_t)(classinfo *, void *);
-
-
-/* function prototypes ********************************************************/
-
-/* initialize the loaded class cache */
-bool classcache_init(void);
-void classcache_free(void);
-
-classinfo * classcache_lookup(classloader_t *initloader,utf *classname);
-classinfo * classcache_lookup_defined(classloader_t *defloader,utf *classname);
-classinfo * classcache_lookup_defined_or_initiated(classloader_t *loader,utf *classname);
-
-bool classcache_store_unique(classinfo *cls);
-classinfo * classcache_store(classloader_t *initloader,classinfo *cls,bool mayfree);
-classinfo * classcache_store_defined(classinfo *cls);
-
-#if defined(ENABLE_VERIFIER)
-bool classcache_add_constraint(classloader_t *a,classloader_t *b,utf *classname);
-bool classcache_add_constraints_for_params(classloader_t *a,classloader_t *b,
- methodinfo *m);
-#endif
-
-s4 classcache_get_loaded_class_count(void);
-
-void classcache_foreach_loaded_class(classcache_foreach_functionptr_t func,
- void *data);
-
-#if defined(ENABLE_JVMTI)
-void classcache_get_loaded_classes(s4 *class_count_ptr,
- classinfo ***classes_ptr);
-#endif
-
-#ifndef NDEBUG
-void classcache_debug_dump(FILE *file,utf *only);
-#endif
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif /* _CLASSCACHE_H */
-
-/*
- * These are local overrides for various environment variables in Emacs.
- * Please do not remove this and leave it at the end of the file, where
- * Emacs will automagically detect them.
- * ---------------------------------------------------------------------
- * Local variables:
- * mode: c
- * indent-tabs-mode: t
- * c-basic-offset: 4
- * tab-width: 4
- * End:
- * vim:noexpandtab:sw=4:ts=4:
- */
-
projects / cacao.git / blobdiff