-/******************************* loader.h **************************************
+/* src/vm/loader.h - class loader header
- Copyright (c) 1997 A. Krall, R. Grafl, M. Gschwind, M. Probst
+ Copyright (C) 1996-2005, 2006 R. Grafl, A. Krall, C. Kruegel,
+ C. Oates, R. Obermaisser, M. Platter, M. Probst, S. Ring,
+ E. Steiner, C. Thalinger, D. Thuernbeck, P. Tomsich, C. Ullrich,
+ J. Wenninger, Institut f. Computersprachen - TU Wien
- See file COPYRIGHT for information on usage and disclaimer of warranties
+ This file is part of CACAO.
- Contains the prototypes for the class loader.
+ 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.
- Author: Reinhard Grafl EMAIL: cacao@complang.tuwien.ac.at
+ 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.
- Last Change: 1997/11/14
+ 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.
+
+ Contact: cacao@cacaojvm.org
+
+ Authors: Reinhard Grafl
+
+ Changes: Christian Thalinger
+
+ $Id: loader.h 4490 2006-02-12 16:02:43Z edwin $
+*/
+
+
+#ifndef _LOADER_H
+#define _LOADER_H
+
+#include "config.h"
+
+#include <stdio.h>
+
+#include "vm/types.h"
+
+
+/* forward typedefs ***********************************************************/
+
+typedef struct classbuffer classbuffer;
+
+
+#include "vm/class.h"
+#include "vm/descriptor.h"
+#include "vm/global.h"
+#include "vm/references.h"
+#include "vm/method.h"
+#include "vm/utf8.h"
+
+
+/* constant pool entries *******************************************************
+
+ All constant pool entries need a data structure which contain the entrys
+ value. In some cases this structure exist already, in the remaining cases
+ this structure must be generated:
+
+ kind structure generated?
+ ----------------------------------------------------------------------
+ CONSTANT_Class classinfo no XXX this will change
+ CONSTANT_Fieldref constant_FMIref yes
+ CONSTANT_Methodref constant_FMIref yes
+ CONSTANT_InterfaceMethodref constant_FMIref yes
+ CONSTANT_String unicode no
+ CONSTANT_Integer constant_integer yes
+ CONSTANT_Float constant_float yes
+ CONSTANT_Long constant_long yes
+ CONSTANT_Double constant_double yes
+ CONSTANT_NameAndType constant_nameandtype yes
+ CONSTANT_Utf8 unicode no
+ CONSTANT_UNUSED -
*******************************************************************************/
+typedef struct { /* Integer */
+ s4 value;
+} constant_integer;
+
+
+typedef struct { /* Float */
+ float value;
+} constant_float;
+
+
+typedef struct { /* Long */
+ s8 value;
+} constant_long;
+
+
+typedef struct { /* Double */
+ double value;
+} constant_double;
+
+
+typedef struct { /* NameAndType (Field or Method) */
+ utf *name; /* field/method name */
+ utf *descriptor; /* field/method type descriptor string */
+} constant_nameandtype;
-/************************* program switches ***********************************/
-extern bool loadverbose; /* Debug-Meldungen beim Laden ausgeben */
-extern bool linkverbose;
-extern bool initverbose; /* Meldungen ausgeben, wenn Klasse
- initialisiert wird */
-extern bool makeinitializations; /* Klassen automatisch initialisieren */
+/* classbuffer ****************************************************************/
-extern bool getloadingtime;
-extern long int loadingtime; /* CPU-Zeit f"urs Laden der Klassen */
+struct classbuffer {
+ classinfo *class; /* pointer to classinfo structure */
+ u1 *data; /* pointer to byte code */
+ s4 size; /* size of the byte code */
+ u1 *pos; /* current read position */
+ char *path; /* path to file (for debugging) */
+};
-extern list linkedclasses; /* Liste aller fertig gelinkten Klassen */
+/* export variables ***********************************************************/
-/************************ prototypes ******************************************/
+#if defined(USE_THREADS)
+extern int blockInts;
+#endif
-void loader_init ();
-void loader_close ();
-classinfo *loader_load (unicode *topname);
-void loader_initclasses ();
-void loader_compute_subclasses ();
+/* function prototypes ********************************************************/
-classinfo *class_get (unicode *name);
-voidptr class_getconstant (classinfo *class, u4 pos, u4 ctype);
-u4 class_constanttype (classinfo *class, u4 pos);
+/* initialize loader, load important systemclasses */
+bool loader_init(u1 *stackbottom);
-fieldinfo *class_findfield (classinfo *c, unicode *name, unicode *desc);
-methodinfo *class_findmethod (classinfo *c, unicode *name, unicode *desc);
+void loader_load_all_classes(void);
-methodinfo *class_resolvemethod (classinfo *c, unicode *name, unicode *dest);
+/* free resources */
+void loader_close(void);
-bool class_issubclass (classinfo *sub, classinfo *super);
+/* class loading functions */
+classinfo *load_class_from_sysloader(utf *name);
+classinfo *load_class_from_classloader(utf *name, java_objectheader *cl);
+classinfo *load_class_bootstrap(utf *name);
-void class_init (classinfo *c);
+/* (don't use the following directly) */
+classinfo *load_class_from_classbuffer(classbuffer *cb);
+classinfo *load_newly_created_array(classinfo *c,java_objectheader *loader);
-void class_showmethods (classinfo *c);
-void class_showconstantpool (classinfo *c);
+#endif /* _LOADER_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