-/* native/native.h - table of native functions
+/* src/native/native.h - table of native functions
- Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003
- R. Grafl, A. Krall, C. Kruegel, C. Oates, R. Obermaisser,
- M. Probst, S. Ring, E. Steiner, C. Thalinger, D. Thuernbeck,
- P. Tomsich, J. Wenninger
+ Copyright (C) 1996-2005, 2006, 2007 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
This file is part of CACAO.
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., 59 Temple Place - Suite 330, Boston, MA
- 02111-1307, USA.
-
- Contact: cacao@complang.tuwien.ac.at
-
- Authors: Reinhard Grafl
-
- $Id: native.h 1727 2004-12-07 10:56:02Z twisti $
+ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ 02110-1301, USA.
*/
#ifndef _NATIVE_H
#define _NATIVE_H
+#include "config.h"
-#include "native/jni.h"
-#include "native/include/java_lang_String.h"
-#include "native/include/java_lang_ClassLoader.h"
-#include "native/include/java_lang_Throwable.h"
-
-
-/* table for locating native methods */
-
-typedef struct nativeref nativeref;
-typedef struct nativecompref nativecompref;
-
-struct nativeref {
- char *classname;
- char *methodname;
- char *descriptor;
- bool isstatic;
- functionptr func;
-};
-
-/* table for fast string comparison */
-
-struct nativecompref {
- utf *classname;
- utf *methodname;
- utf *descriptor;
- bool isstatic;
- functionptr func;
-};
-
-
-extern classinfo *class_java_lang_Class;
-extern classinfo *class_java_lang_VMClass;
-extern classinfo *class_java_lang_System;
-extern classinfo *class_java_lang_ClassLoader;
-extern classinfo *class_java_lang_Double;
-extern classinfo *class_java_lang_Float;
-extern classinfo *class_java_lang_Long;
-extern classinfo *class_java_lang_Byte;
-extern classinfo *class_java_lang_Short;
-extern classinfo *class_java_lang_Boolean;
-extern classinfo *class_java_lang_Void;
-extern classinfo *class_java_lang_Character;
-extern classinfo *class_java_lang_Integer;
-
-
-/* the system classloader object */
-extern java_lang_ClassLoader *SystemClassLoader;
-
-/* for raising exceptions from native methods */
-/* extern java_objectheader* exceptionptr; */
-
-/* javastring-hashtable */
-extern hashtable string_hash;
+#if defined(ENABLE_LTDL) && defined(HAVE_LTDL_H)
+# include <ltdl.h>
+#endif
-void use_class_as_object(classinfo *c);
+#include <stdint.h>
-/* load classes required for native methods */
-void native_loadclasses();
-
-/* find native function */
-functionptr native_findfunction(utf *cname, utf *mname,
- utf *desc, bool isstatic);
-
-/* creates a new object of type java/lang/String from a utf-text */
-/* java_objectheader *javastring_new(utf *text); */
-java_lang_String *javastring_new(utf *text);
-
-/* creates a new object of type java/lang/String from a c-string */
-/* java_objectheader *javastring_new_char(char *text); */
-java_lang_String *javastring_new_char(char *text);
-
-/* make c-string from a javastring (debugging) */
-char *javastring_tochar(java_objectheader *s);
-
-/* create new object on the heap and call the initializer */
-java_objectheader *native_new_and_init(classinfo *c);
-
-/* create new object on the heap and call the initializer
- mainly used for exceptions with a message */
-java_objectheader *native_new_and_init_string(classinfo *c, java_lang_String *s);
-
-/* create new object on the heap and call the initializer
- mainly used for exceptions with an index */
-java_objectheader *native_new_and_init_int(classinfo *c, s4 i);
+#include "native/jni.h"
-/* create new object on the heap and call the initializer
- mainly used for exceptions with cause */
-java_objectheader *native_new_and_init_throwable(classinfo *c, java_lang_Throwable *t);
+#include "vm/global.h"
-/* add property to temporary property list -- located in nat/VMRuntime.c */
-void create_property(char *key, char *value);
+#include "vmcore/class.h"
+#include "vmcore/method.h"
+#include "vmcore/utf8.h"
-/* correct vftbl-entries of javastring-hash */
-void stringtable_update();
+/* defines ********************************************************************/
-/* make utf symbol from javastring */
-utf *javastring_toutf(java_lang_String *string, bool isclassname);
+#define NATIVE_METHODS_COUNT sizeof(methods) / sizeof(JNINativeMethod)
-/* make utf symbol from u2 array */
-utf *utf_new_u2(u2 *unicodedata, u4 unicodelength, bool isclassname);
-/* determine utf length in bytes of a u2 array */
-u4 u2_utflength(u2 *text, u4 u2_length);
+/* table for locating native methods */
-/* create systemclassloader object and initialize its instance fields */
-void init_systemclassloader();
+#if defined(WITH_STATIC_CLASSPATH)
+typedef struct nativeref nativeref;
+typedef struct nativecompref nativecompref;
+#endif
-/* search 'classinfo'-structure for a field with the specified name */
-fieldinfo *class_findfield_approx(classinfo *c, utf *name);
-s4 class_findfield_index_approx(classinfo *c, utf *name);
-/* creates a new javastring with the text of the utf-symbol */
-java_objectheader *literalstring_new(utf *u);
+/* native_methods_node_t ******************************************************/
-/* creates a new javastring with the text of the u2-array */
-java_objectheader *literalstring_u2(java_chararray *a, u4 length, u4 offset,
- bool copymode);
+typedef struct native_methods_node_t native_methods_node_t;
-/* dispose a javastring */
-void literalstring_free(java_objectheader*);
+struct native_methods_node_t {
+ utf *classname; /* class name */
+ utf *name; /* method name */
+ utf *descriptor; /* descriptor name */
+ functionptr function; /* pointer to the implementation */
+};
-void copy_vftbl(vftbl_t **dest, vftbl_t *src);
-utf *create_methodsig(java_objectarray* types, char *retType);
-classinfo *get_type(char **utf_ptr,char *desc_end, bool skip);
-java_objectarray* get_parametertypes(methodinfo *m);
-java_objectarray* get_exceptiontypes(methodinfo *m);
-classinfo *get_returntype(methodinfo *m);
+/* hashtable_library_loader_entry *********************************************/
+#if defined(ENABLE_LTDL)
+typedef struct hashtable_library_loader_entry hashtable_library_loader_entry;
+typedef struct hashtable_library_name_entry hashtable_library_name_entry;
+struct hashtable_library_loader_entry {
+ classloader *loader; /* class loader */
+ hashtable_library_name_entry *namelink;/* libs loaded by this loader */
+ hashtable_library_loader_entry *hashlink;/* link for external chaining */
+};
+#endif
-java_objectarray *builtin_asm_createclasscontextarray(classinfo **end,classinfo **start);
-java_lang_ClassLoader *builtin_asm_getclassloader(classinfo **end,classinfo **start);
+/* hashtable_library_name_entry ***********************************************/
-/*----- For Static Analysis of Natives by parseRT -----*/
+#if defined(ENABLE_LTDL)
+struct hashtable_library_name_entry {
+ utf *name; /* library name */
+ lt_dlhandle handle; /* libtool library handle */
+ hashtable_library_name_entry *hashlink; /* link for external chaining */
+};
+#endif
-/*---------- global variables ---------------------------*/
-typedef struct classMeth classMeth;
-typedef struct nativeCall nativeCall;
-typedef struct methodCall methodCall;
-typedef struct nativeMethod nativeMethod;
-typedef struct nativeCompCall nativeCompCall;
-typedef struct methodCompCall methodCompCall;
-typedef struct nativeCompMethod nativeCompMethod;
+struct nativeref {
+ char *classname;
+ char *methodname;
+ char *descriptor;
+ bool isstatic;
+ functionptr func;
+};
-/*---------- Define Constants ---------------------------*/
-#define MAXCALLS 30
+/* table for fast string comparison */
-struct classMeth {
- int i_class;
- int j_method;
- int methCnt;
+struct nativecompref {
+ utf *classname;
+ utf *methodname;
+ utf *descriptor;
+ bool isstatic;
+ functionptr func;
};
-struct methodCall{
- char *classname;
- char *methodname;
- char *descriptor;
-};
-struct nativeMethod {
- char *methodname;
- char *descriptor;
- struct methodCall methodCalls[MAXCALLS];
-};
+/* function prototypes ********************************************************/
+bool native_init(void);
-struct nativeCall {
- char *classname;
- struct nativeMethod methods[MAXCALLS];
- int methCnt;
- int callCnt[MAXCALLS];
-};
+void native_method_register(utf *classname, const JNINativeMethod *methods,
+ int32_t count);
+#if defined(WITH_STATIC_CLASSPATH)
-struct methodCompCall {
- utf *classname;
- utf *methodname;
- utf *descriptor;
-};
+functionptr native_findfunction(utf *cname, utf *mname, utf *desc,
+ bool isstatic);
+#else /* defined(WITH_STATIC_CLASSPATH) */
-struct nativeCompMethod {
- utf *methodname;
- utf *descriptor;
- struct methodCompCall methodCalls[MAXCALLS];
-};
+# if defined(ENABLE_LTDL)
+lt_dlhandle native_library_open(utf *filename);
+void native_library_add(utf *filename, classloader *loader,
+ lt_dlhandle handle);
+hashtable_library_name_entry *native_library_find(utf *filename,
+ classloader *loader);
+# endif
+functionptr native_resolve_function(methodinfo *m);
-struct nativeCompCall {
- utf *classname;
- struct nativeCompMethod methods[MAXCALLS];
- int methCnt;
- int callCnt[MAXCALLS];
-};
+#endif /* defined(WITH_STATIC_CLASSPATH) */
+java_handle_t *native_new_and_init(classinfo *c);
-bool natcall2utf(bool);
-void printNativeCall(nativeCall);
-void markNativeMethodsRT(utf *, utf* , utf* );
+java_handle_t *native_new_and_init_string(classinfo *c, java_handle_t *s);
#endif /* _NATIVE_H */
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