X-Git-Url: http://wien.tomnetworks.com/gitweb/?a=blobdiff_plain;f=src%2Fvmcore%2Fclasscache.h;fp=src%2Fvmcore%2Fclasscache.h;h=0000000000000000000000000000000000000000;hb=b784afa1d7e7489fd6a3f97e98f1cd3ba49ec508;hp=04d97f15bec6e8c791c0685819eb8c112052cbb6;hpb=abc42d331fec32a1afc2053c4a4fea5a05622e1b;p=cacao.git diff --git a/src/vmcore/classcache.h b/src/vmcore/classcache.h deleted file mode 100644 index 04d97f15b..000000000 --- a/src/vmcore/classcache.h +++ /dev/null @@ -1,182 +0,0 @@ -/* 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 /* 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: - */ -