1 /* src/vm/class.cpp - class related functions
3 Copyright (C) 1996-2005, 2006, 2007, 2008
4 CACAOVM - Verein zur Foerderung der freien virtuellen Maschine CACAO
6 This file is part of CACAO.
8 This program is free software; you can redistribute it and/or
9 modify it under the terms of the GNU General Public License as
10 published by the Free Software Foundation; either version 2, or (at
11 your option) any later version.
13 This program is distributed in the hope that it will be useful, but
14 WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
37 #include "mm/memory.hpp"
39 #include "native/llni.h"
41 #include "threads/lock.hpp"
42 #include "threads/mutex.hpp"
44 #include "toolbox/logging.hpp"
46 #include "vm/array.hpp"
47 #include "vm/jit/builtin.hpp"
48 #include "vm/class.hpp"
49 #include "vm/classcache.hpp"
50 #include "vm/exceptions.hpp"
51 #include "vm/global.h"
52 #include "vm/globals.hpp"
53 #include "vm/javaobjects.hpp"
54 #include "vm/linker.hpp"
55 #include "vm/loader.hpp"
56 #include "vm/options.h"
57 #include "vm/resolve.hpp"
59 #if defined(ENABLE_STATISTICS)
60 # include "vm/statistics.h"
63 #include "vm/suck.hpp"
66 #include "vm/jit/asmpart.h"
69 /* class_set_packagename *******************************************************
71 Derive the package name from the class name and store it in the
74 An internal package name consists of the package name plus the
75 trailing '/', e.g. "java/lang/".
77 For classes in the unnamed package, the package name is set to
80 *******************************************************************************/
82 void class_set_packagename(classinfo *c)
87 p = UTF_END(c->name) - 1;
88 start = c->name->text;
90 if (c->name->text[0] == '[') {
91 /* Set packagename of arrays to the element's package. */
93 for (; *start == '['; start++);
95 /* Skip the 'L' in arrays of references. */
101 /* Search for last '/'. */
103 for (; (p > start) && (*p != '/'); --p);
105 /* If we found a '/' we set the package name plus the trailing
106 '/'. Otherwise we set the packagename to NULL. */
109 c->packagename = utf_new(start, p - start + 1);
111 c->packagename = NULL;
115 /* class_create_classinfo ******************************************************
117 Create a new classinfo struct. The class name is set to the given utf *,
118 most other fields are initialized to zero.
120 Note: classname may be NULL. In this case a not-yet-named classinfo is
121 created. The name must be filled in later and class_set_packagename
122 must be called after that.
124 *******************************************************************************/
126 classinfo *class_create_classinfo(utf *classname)
130 #if defined(ENABLE_STATISTICS)
132 size_classinfo += sizeof(classinfo);
135 /* we use a safe name for temporarily unnamed classes */
137 if (classname == NULL)
138 classname = utf_not_named_yet;
142 log_message_utf("Creating class: ", classname);
145 #if !defined(ENABLE_GC_BOEHM)
146 c = (classinfo *) heap_alloc_uncollectable(sizeof(classinfo));
147 /*c = NEW(classinfo);
148 MZERO(c, classinfo, 1);*/
150 c = GCNEW_UNCOLLECTABLE(classinfo, 1);
151 /* GCNEW_UNCOLLECTABLE clears the allocated memory */
156 /* Set the header.vftbl of all loaded classes to the one of
157 java.lang.Class, so Java code can use a class as object. */
159 if (class_java_lang_Class != NULL)
160 if (class_java_lang_Class->vftbl != NULL)
161 c->object.header.vftbl = class_java_lang_Class->vftbl;
163 #if defined(ENABLE_JAVASE)
164 /* check if the class is a reference class and flag it */
166 if (classname == utf_java_lang_ref_SoftReference) {
167 c->flags |= ACC_CLASS_REFERENCE_SOFT;
169 else if (classname == utf_java_lang_ref_WeakReference) {
170 c->flags |= ACC_CLASS_REFERENCE_WEAK;
172 else if (classname == utf_java_lang_ref_PhantomReference) {
173 c->flags |= ACC_CLASS_REFERENCE_PHANTOM;
177 if (classname != utf_not_named_yet)
178 class_set_packagename(c);
180 c->object.header.lockword.init();
186 /* class_postset_header_vftbl **************************************************
188 Set the header.vftbl of all classes created before java.lang.Class
189 was linked. This is necessary that Java code can use a class as
192 *******************************************************************************/
194 void class_postset_header_vftbl(void)
198 classcache_name_entry *nmen;
199 classcache_class_entry *clsen;
201 assert(class_java_lang_Class);
203 for (slot = 0; slot < hashtable_classcache.size; slot++) {
204 nmen = (classcache_name_entry *) hashtable_classcache.ptr[slot];
206 for (; nmen; nmen = nmen->hashlink) {
207 /* iterate over all class entries */
209 for (clsen = nmen->classes; clsen; clsen = clsen->next) {
212 /* now set the the vftbl */
214 if (c->object.header.vftbl == NULL)
215 c->object.header.vftbl = class_java_lang_Class->vftbl;
221 /* class_define ****************************************************************
223 Calls the loader and defines a class in the VM.
225 *******************************************************************************/
227 classinfo *class_define(utf *name, classloader_t *cl, int32_t length, uint8_t *data, java_handle_t *pd)
234 /* check if this class has already been defined */
236 c = classcache_lookup_defined_or_initiated(cl, name);
239 exceptions_throw_linkageerror("duplicate class definition: ", c);
244 /* create a new classinfo struct */
246 c = class_create_classinfo(name);
248 #if defined(ENABLE_STATISTICS)
251 if (opt_getloadingtime)
255 /* build a classbuffer with the given data */
257 cb = NEW(classbuffer);
264 /* preset the defining classloader */
268 /* load the class from this buffer */
270 r = load_class_from_classbuffer(cb);
274 FREE(cb, classbuffer);
276 #if defined(ENABLE_STATISTICS)
279 if (opt_getloadingtime)
284 /* If return value is NULL, we had a problem and the class is
285 not loaded. Now free the allocated memory, otherwise we
286 could run into a DOS. */
293 #if defined(ENABLE_JAVASE)
294 # if defined(WITH_JAVA_RUNTIME_LIBRARY_OPENJDK)
295 /* Store the protection domain. */
297 c->protectiondomain = pd;
301 /* Store the newly defined class in the class cache. This call
302 also checks whether a class of the same name has already been
303 defined by the same defining loader, and if so, replaces the
304 newly created class by the one defined earlier. */
306 /* Important: The classinfo given to classcache_store must be
307 fully prepared because another thread may return
308 this pointer after the lookup at to top of this
309 function directly after the class cache lock has
312 c = classcache_store(cl, c, true);
318 /* class_load_attribute_sourcefile *********************************************
320 SourceFile_attribute {
321 u2 attribute_name_index;
326 *******************************************************************************/
328 static bool class_load_attribute_sourcefile(classbuffer *cb)
339 /* check buffer size */
341 if (!suck_check_classbuffer_size(cb, 4 + 2))
344 /* check attribute length */
346 attribute_length = suck_u4(cb);
348 if (attribute_length != 2) {
349 exceptions_throw_classformaterror(c, "Wrong size for VALUE attribute");
353 /* there can be no more than one SourceFile attribute */
355 if (c->sourcefile != NULL) {
356 exceptions_throw_classformaterror(c, "Multiple SourceFile attributes");
362 sourcefile_index = suck_u2(cb);
363 sourcefile = (utf*) class_getconstant(c, sourcefile_index, CONSTANT_Utf8);
365 if (sourcefile == NULL)
368 /* store sourcefile */
370 c->sourcefile = sourcefile;
376 /* class_load_attribute_enclosingmethod ****************************************
378 EnclosingMethod_attribute {
379 u2 attribute_name_index;
385 *******************************************************************************/
387 #if defined(ENABLE_JAVASE)
388 static bool class_load_attribute_enclosingmethod(classbuffer *cb)
394 classref_or_classinfo cr;
395 constant_nameandtype *cn;
401 /* check buffer size */
403 if (!suck_check_classbuffer_size(cb, 4 + 2 + 2))
406 /* check attribute length */
408 attribute_length = suck_u4(cb);
410 if (attribute_length != 4) {
411 exceptions_throw_classformaterror(c, "Wrong size for VALUE attribute");
415 /* there can be no more than one EnclosingMethod attribute */
417 if (c->enclosingmethod != NULL) {
418 exceptions_throw_classformaterror(c, "Multiple EnclosingMethod attributes");
422 /* get class index */
424 class_index = suck_u2(cb);
425 cr.ref = (constant_classref*) innerclass_getconstant(c, class_index, CONSTANT_Class);
427 /* get method index */
429 method_index = suck_u2(cb);
430 cn = (constant_nameandtype*) innerclass_getconstant(c, method_index, CONSTANT_NameAndType);
432 /* store info in classinfo */
434 c->enclosingclass.any = cr.any;
435 c->enclosingmethod = cn;
439 #endif /* defined(ENABLE_JAVASE) */
442 /* class_load_attributes *******************************************************
444 Read attributes from ClassFile.
447 u2 attribute_name_index;
449 u1 info[attribute_length];
452 InnerClasses_attribute {
453 u2 attribute_name_index;
457 *******************************************************************************/
459 bool class_load_attributes(classbuffer *cb)
462 uint16_t attributes_count;
463 uint16_t attribute_name_index;
465 innerclassinfo *info;
466 classref_or_classinfo inner;
467 classref_or_classinfo outer;
474 /* get attributes count */
476 if (!suck_check_classbuffer_size(cb, 2))
479 attributes_count = suck_u2(cb);
481 for (i = 0; i < attributes_count; i++) {
482 /* get attribute name */
484 if (!suck_check_classbuffer_size(cb, 2))
487 attribute_name_index = suck_u2(cb);
489 (utf*) class_getconstant(c, attribute_name_index, CONSTANT_Utf8);
491 if (attribute_name == NULL)
494 if (attribute_name == utf_InnerClasses) {
497 if (c->innerclass != NULL) {
498 exceptions_throw_classformaterror(c, "Multiple InnerClasses attributes");
502 if (!suck_check_classbuffer_size(cb, 4 + 2))
505 /* skip attribute length */
508 /* number of records */
509 c->innerclasscount = suck_u2(cb);
511 if (!suck_check_classbuffer_size(cb, (2 + 2 + 2 + 2) * c->innerclasscount))
514 /* allocate memory for innerclass structure */
515 c->innerclass = MNEW(innerclassinfo, c->innerclasscount);
517 for (j = 0; j < c->innerclasscount; j++) {
518 /* The innerclass structure contains a class with an encoded
519 name, its defining scope, its simple name and a bitmask of
522 info = c->innerclass + j;
524 inner.ref = (constant_classref*) innerclass_getconstant(c, suck_u2(cb), CONSTANT_Class);
525 outer.ref = (constant_classref*) innerclass_getconstant(c, suck_u2(cb), CONSTANT_Class);
526 name = (utf*) innerclass_getconstant(c, suck_u2(cb), CONSTANT_Utf8);
529 /* If the current inner-class is the currently loaded
530 class check for some special flags. */
532 if (inner.ref->name == c->name) {
533 /* If an inner-class is not a member, its
534 outer-class is NULL. */
536 if (outer.ref != NULL) {
537 c->flags |= ACC_CLASS_MEMBER;
539 /* A member class doesn't have an
540 EnclosingMethod attribute, so set the
541 enclosing-class to be the same as the
544 c->declaringclass = outer;
545 c->enclosingclass = outer;
548 /* If an inner-class is anonymous, its name is
552 c->flags |= ACC_CLASS_ANONYMOUS;
555 info->inner_class = inner;
556 info->outer_class = outer;
561 else if (attribute_name == utf_SourceFile) {
564 if (!class_load_attribute_sourcefile(cb))
567 #if defined(ENABLE_JAVASE)
568 else if (attribute_name == utf_EnclosingMethod) {
569 /* EnclosingMethod */
571 if (!class_load_attribute_enclosingmethod(cb))
574 else if (attribute_name == utf_Signature) {
577 if (!loader_load_attribute_signature(cb, &(c->signature)))
582 #if defined(ENABLE_ANNOTATIONS)
583 else if (attribute_name == utf_RuntimeVisibleAnnotations) {
584 /* RuntimeVisibleAnnotations */
585 if (!annotation_load_class_attribute_runtimevisibleannotations(cb))
588 else if (attribute_name == utf_RuntimeInvisibleAnnotations) {
589 /* RuntimeInvisibleAnnotations */
590 if (!annotation_load_class_attribute_runtimeinvisibleannotations(cb))
596 /* unknown attribute */
598 if (!loader_skip_attribute_body(cb))
607 /* class_freepool **************************************************************
609 Frees all resources used by this classes Constant Pool.
611 *******************************************************************************/
613 static void class_freecpool(classinfo *c)
619 if (c->cptags && c->cpinfos) {
620 for (idx = 0; idx < c->cpcount; idx++) {
621 tag = c->cptags[idx];
622 info = c->cpinfos[idx];
626 case CONSTANT_Fieldref:
627 case CONSTANT_Methodref:
628 case CONSTANT_InterfaceMethodref:
629 FREE(info, constant_FMIref);
631 case CONSTANT_Integer:
632 FREE(info, constant_integer);
635 FREE(info, constant_float);
638 FREE(info, constant_long);
640 case CONSTANT_Double:
641 FREE(info, constant_double);
643 case CONSTANT_NameAndType:
644 FREE(info, constant_nameandtype);
652 MFREE(c->cptags, u1, c->cpcount);
655 MFREE(c->cpinfos, void*, c->cpcount);
659 /* class_getconstant ***********************************************************
661 Retrieves the value at position 'pos' of the constantpool of a
662 class. If the type of the value is other than 'ctype', an error is
665 *******************************************************************************/
667 void* class_getconstant(classinfo *c, u4 pos, u4 ctype)
669 /* check index and type of constantpool entry */
670 /* (pos == 0 is caught by type comparison) */
672 if ((pos >= c->cpcount) || (c->cptags[pos] != ctype)) {
673 exceptions_throw_classformaterror(c, "Illegal constant pool index");
677 return c->cpinfos[pos];
681 /* innerclass_getconstant ******************************************************
683 Like class_getconstant, but if cptags is ZERO, null is returned.
685 *******************************************************************************/
687 void* innerclass_getconstant(classinfo *c, u4 pos, u4 ctype)
689 /* invalid position in constantpool */
691 if (pos >= c->cpcount) {
692 exceptions_throw_classformaterror(c, "Illegal constant pool index");
696 /* constantpool entry of type 0 */
698 if (c->cptags[pos] == 0)
701 /* check type of constantpool entry */
703 if (c->cptags[pos] != ctype) {
704 exceptions_throw_classformaterror(c, "Illegal constant pool index");
708 return c->cpinfos[pos];
712 /* class_free ******************************************************************
714 Frees all resources used by the class.
716 *******************************************************************************/
718 void class_free(classinfo *c)
725 if (c->interfaces != NULL)
726 MFREE(c->interfaces, classinfo*, c->interfacescount);
729 for (i = 0; i < c->fieldscount; i++)
730 field_free(&(c->fields[i]));
731 MFREE(c->fields, fieldinfo, c->fieldscount);
735 for (i = 0; i < c->methodscount; i++)
736 method_free(&(c->methods[i]));
737 MFREE(c->methods, methodinfo, c->methodscount);
740 if ((v = c->vftbl) != NULL) {
742 mem_free(v->arraydesc,sizeof(arraydescriptor));
744 for (i = 0; i < v->interfacetablelength; i++) {
745 MFREE(v->interfacetable[-i], methodptr, v->interfacevftbllength[i]);
747 MFREE(v->interfacevftbllength, s4, v->interfacetablelength);
749 i = sizeof(vftbl_t) + sizeof(methodptr) * (v->vftbllength - 1) +
750 sizeof(methodptr*) * (v->interfacetablelength -
751 (v->interfacetablelength > 0));
752 v = (vftbl_t*) (((methodptr*) v) -
753 (v->interfacetablelength - 1) * (v->interfacetablelength > 1));
758 MFREE(c->innerclass, innerclassinfo, c->innerclasscount);
760 /* if (c->classvftbl)
761 mem_free(c->header.vftbl, sizeof(vftbl) + sizeof(methodptr)*(c->vftbl->vftbllength-1)); */
767 /* get_array_class *************************************************************
769 Returns the array class with the given name for the given
770 classloader, or NULL if an exception occurred.
772 Note: This function does eager loading.
774 *******************************************************************************/
776 static classinfo *get_array_class(utf *name,classloader_t *initloader,
777 classloader_t *defloader,bool link)
781 /* lookup this class in the classcache */
782 c = classcache_lookup(initloader,name);
784 c = classcache_lookup_defined(defloader,name);
787 /* we have to create it */
788 c = class_create_classinfo(name);
789 c = load_newly_created_array(c,initloader);
795 assert(c->state & CLASS_LOADED);
796 assert(c->classloader == defloader);
798 if (link && !(c->state & CLASS_LINKED))
802 assert(!link || (c->state & CLASS_LINKED));
808 /* class_array_of **************************************************************
810 Returns an array class with the given component class. The array
811 class is dynamically created if neccessary.
813 *******************************************************************************/
815 classinfo *class_array_of(classinfo *component, bool link)
823 cl = component->classloader;
825 /* Assemble the array class name */
826 namelen = component->name->blength;
828 if (component->name->text[0] == '[') {
829 /* the component is itself an array */
830 namebuf = MNEW(char, namelen + 1);
832 MCOPY(namebuf + 1, component->name->text, char, namelen);
836 /* the component is a non-array class */
837 namebuf = MNEW(char, namelen + 3);
840 MCOPY(namebuf + 2, component->name->text, char, namelen);
841 namebuf[2 + namelen] = ';';
845 u = utf_new(namebuf, namelen);
847 MFREE(namebuf, char, namelen);
849 c = get_array_class(u, cl, cl, link);
855 /* class_multiarray_of *********************************************************
857 Returns an array class with the given dimension and element class.
858 The array class is dynamically created if neccessary.
860 *******************************************************************************/
862 classinfo *class_multiarray_of(s4 dim, classinfo *element, bool link)
869 log_text("Invalid array dimension requested");
873 /* Assemble the array class name */
874 namelen = element->name->blength;
876 if (element->name->text[0] == '[') {
877 /* the element is itself an array */
878 namebuf = MNEW(char, namelen + dim);
879 memcpy(namebuf + dim, element->name->text, namelen);
883 /* the element is a non-array class */
884 namebuf = MNEW(char, namelen + 2 + dim);
886 memcpy(namebuf + dim + 1, element->name->text, namelen);
887 namelen += (2 + dim);
888 namebuf[namelen - 1] = ';';
890 memset(namebuf, '[', dim);
892 utf* u = utf_new(namebuf, namelen);
894 MFREE(namebuf, char, namelen);
896 c = get_array_class(u,
897 element->classloader,
898 element->classloader,
905 /* class_lookup_classref *******************************************************
907 Looks up the constant_classref for a given classname in the classref
911 cls..............the class containing the reference
912 name.............the name of the class refered to
915 a pointer to a constant_classref, or
916 NULL if the reference was not found
918 *******************************************************************************/
920 constant_classref *class_lookup_classref(classinfo *cls, utf *name)
922 constant_classref *ref;
923 extra_classref *xref;
928 assert(!cls->classrefcount || cls->classrefs);
930 /* first search the main classref table */
931 count = cls->classrefcount;
932 ref = cls->classrefs;
933 for (; count; --count, ++ref)
934 if (ref->name == name)
937 /* next try the list of extra classrefs */
938 for (xref = cls->extclassrefs; xref; xref = xref->next) {
939 if (xref->classref.name == name)
940 return &(xref->classref);
948 /* class_get_classref **********************************************************
950 Returns the constant_classref for a given classname.
953 cls..............the class containing the reference
954 name.............the name of the class refered to
957 a pointer to a constant_classref (never NULL)
960 The given name is not checked for validity!
962 *******************************************************************************/
964 constant_classref *class_get_classref(classinfo *cls, utf *name)
966 constant_classref *ref;
967 extra_classref *xref;
972 ref = class_lookup_classref(cls,name);
976 xref = NEW(extra_classref);
977 CLASSREF_INIT(xref->classref,cls,name);
979 xref->next = cls->extclassrefs;
980 cls->extclassrefs = xref;
982 return &(xref->classref);
986 /* class_get_self_classref *****************************************************
988 Returns the constant_classref to the class itself.
991 cls..............the class containing the reference
994 a pointer to a constant_classref (never NULL)
996 *******************************************************************************/
998 constant_classref *class_get_self_classref(classinfo *cls)
1000 /* XXX this should be done in a faster way. Maybe always make */
1001 /* the classref of index 0 a self reference. */
1002 return class_get_classref(cls,cls->name);
1005 /* class_get_classref_multiarray_of ********************************************
1007 Returns an array type reference with the given dimension and element class
1011 dim..............the requested dimension
1012 dim must be in [1;255]. This is NOT checked!
1013 ref..............the component class reference
1016 a pointer to the class reference for the array type
1019 The referer of `ref` is used as the referer for the new classref.
1021 *******************************************************************************/
1023 constant_classref *class_get_classref_multiarray_of(s4 dim, constant_classref *ref)
1027 constant_classref *cr;
1030 assert(dim >= 1 && dim <= 255);
1032 /* Assemble the array class name */
1033 namelen = ref->name->blength;
1035 if (ref->name->text[0] == '[') {
1036 /* the element is itself an array */
1037 namebuf = MNEW(char, namelen + dim);
1038 memcpy(namebuf + dim, ref->name->text, namelen);
1042 /* the element is a non-array class */
1043 namebuf = MNEW(char, namelen + 2 + dim);
1045 memcpy(namebuf + dim + 1, ref->name->text, namelen);
1046 namelen += (2 + dim);
1047 namebuf[namelen - 1] = ';';
1049 memset(namebuf, '[', dim);
1051 utf* u = utf_new(namebuf, namelen);
1053 MFREE(namebuf, char, namelen);
1055 cr = class_get_classref(ref->referer, u);
1061 /* class_get_classref_component_of *********************************************
1063 Returns the component classref of a given array type reference
1066 ref..............the array type reference
1069 a reference to the component class, or
1070 NULL if `ref` is not an object array type reference
1073 The referer of `ref` is used as the referer for the new classref.
1075 *******************************************************************************/
1077 constant_classref *class_get_classref_component_of(constant_classref *ref)
1084 name = ref->name->text;
1088 namelen = ref->name->blength - 1;
1093 else if (*name != '[') {
1097 return class_get_classref(ref->referer, utf_new(name, namelen));
1101 /* class_findmethod ************************************************************
1103 Searches a 'classinfo' structure for a method having the given name
1104 and descriptor. If descriptor is NULL, it is ignored.
1106 *******************************************************************************/
1108 methodinfo *class_findmethod(classinfo *c, utf *name, utf *desc)
1113 for (i = 0; i < c->methodscount; i++) {
1114 m = &(c->methods[i]);
1116 if ((m->name == name) && ((desc == NULL) || (m->descriptor == desc)))
1124 /* class_resolvemethod *********************************************************
1126 Searches a class and it's super classes for a method.
1128 Superinterfaces are *not* searched.
1130 *******************************************************************************/
1132 methodinfo *class_resolvemethod(classinfo *c, utf *name, utf *desc)
1137 m = class_findmethod(c, name, desc);
1142 /* JVM Specification bug:
1144 It is important NOT to resolve special <init> and <clinit>
1145 methods to super classes or interfaces; yet, this is not
1146 explicited in the specification. Section 5.4.3.3 should be
1147 updated appropriately. */
1149 if (name == utf_init || name == utf_clinit)
1159 /* class_resolveinterfacemethod_intern *****************************************
1161 Internally used helper function. Do not use this directly.
1163 *******************************************************************************/
1165 static methodinfo *class_resolveinterfacemethod_intern(classinfo *c,
1166 utf *name, utf *desc)
1171 /* try to find the method in the class */
1173 m = class_findmethod(c, name, desc);
1178 /* No method found? Try the super interfaces. */
1180 for (i = 0; i < c->interfacescount; i++) {
1181 m = class_resolveinterfacemethod_intern(c->interfaces[i], name, desc);
1187 /* no method found */
1193 /* class_resolveclassmethod ****************************************************
1195 Resolves a reference from REFERER to a method with NAME and DESC in
1198 If the method cannot be resolved the return value is NULL. If
1199 EXCEPT is true *exceptionptr is set, too.
1201 *******************************************************************************/
1203 methodinfo *class_resolveclassmethod(classinfo *c, utf *name, utf *desc,
1204 classinfo *referer, bool throwexception)
1210 /* if (c->flags & ACC_INTERFACE) { */
1211 /* if (throwexception) */
1212 /* *exceptionptr = */
1213 /* new_exception(string_java_lang_IncompatibleClassChangeError); */
1217 /* try class c and its superclasses */
1221 m = class_resolvemethod(cls, name, desc);
1226 /* Try the super interfaces. */
1228 for (i = 0; i < c->interfacescount; i++) {
1229 m = class_resolveinterfacemethod_intern(c->interfaces[i], name, desc);
1236 exceptions_throw_nosuchmethoderror(c, name, desc);
1241 if ((m->flags & ACC_ABSTRACT) && !(c->flags & ACC_ABSTRACT)) {
1243 exceptions_throw_abstractmethoderror();
1248 /* XXX check access rights */
1254 /* class_resolveinterfacemethod ************************************************
1256 Resolves a reference from REFERER to a method with NAME and DESC in
1259 If the method cannot be resolved the return value is NULL. If
1260 EXCEPT is true *exceptionptr is set, too.
1262 *******************************************************************************/
1264 methodinfo *class_resolveinterfacemethod(classinfo *c, utf *name, utf *desc,
1265 classinfo *referer, bool throwexception)
1269 if (!(c->flags & ACC_INTERFACE)) {
1271 exceptions_throw_incompatibleclasschangeerror(c, "Not an interface");
1276 mi = class_resolveinterfacemethod_intern(c, name, desc);
1281 /* try class java.lang.Object */
1283 mi = class_findmethod(class_java_lang_Object, name, desc);
1289 exceptions_throw_nosuchmethoderror(c, name, desc);
1295 /* class_findfield *************************************************************
1297 Searches for field with specified name and type in a classinfo
1298 structure. If no such field is found NULL is returned.
1300 *******************************************************************************/
1302 fieldinfo *class_findfield(classinfo *c, utf *name, utf *desc)
1306 for (i = 0; i < c->fieldscount; i++)
1307 if ((c->fields[i].name == name) && (c->fields[i].descriptor == desc))
1308 return &(c->fields[i]);
1310 if (c->super != NULL)
1311 return class_findfield(c->super, name, desc);
1317 /* class_findfield_approx ******************************************************
1319 Searches in 'classinfo'-structure for a field with the specified
1322 *******************************************************************************/
1324 fieldinfo *class_findfield_by_name(classinfo* c, utf* name)
1326 for (int32_t i = 0; i < c->fieldscount; i++) {
1327 fieldinfo* f = &(c->fields[i]);
1329 if (f->name == name)
1334 exceptions_throw_nosuchfielderror(c, name);
1339 /****************** Function: class_resolvefield_int ***************************
1341 This is an internally used helper function. Do not use this directly.
1343 Tries to resolve a field having the given name and type.
1344 If the field cannot be resolved, NULL is returned.
1346 *******************************************************************************/
1348 static fieldinfo *class_resolvefield_int(classinfo *c, utf *name, utf *desc)
1353 /* search for field in class c */
1355 for (i = 0; i < c->fieldscount; i++) {
1356 if ((c->fields[i].name == name) && (c->fields[i].descriptor == desc)) {
1357 return &(c->fields[i]);
1361 /* Try super interfaces recursively. */
1363 for (i = 0; i < c->interfacescount; i++) {
1364 fi = class_resolvefield_int(c->interfaces[i], name, desc);
1370 /* Try super class. */
1372 if (c->super != NULL)
1373 return class_resolvefield_int(c->super, name, desc);
1381 /********************* Function: class_resolvefield ***************************
1383 Resolves a reference from REFERER to a field with NAME and DESC in class C.
1385 If the field cannot be resolved, an exception is thrown and the
1386 return value is NULL.
1388 *******************************************************************************/
1390 fieldinfo *class_resolvefield(classinfo *c, utf *name, utf *desc, classinfo *referer)
1394 fi = class_resolvefield_int(c, name, desc);
1397 exceptions_throw_nosuchfielderror(c, name);
1401 /* XXX check access rights */
1407 /* class_issubclass ************************************************************
1409 Checks if sub is a descendant of super.
1411 *******************************************************************************/
1413 bool class_issubclass(classinfo *sub, classinfo *super)
1420 /* We reached java/lang/Object and did not find the requested
1426 /* We found the requested super class. */
1436 /* class_isanysubclass *********************************************************
1438 Checks a subclass relation between two classes. Implemented
1439 interfaces are interpreted as super classes.
1441 Return value: 1 ... sub is subclass of super
1444 *******************************************************************************/
1446 bool class_isanysubclass(classinfo *sub, classinfo *super)
1450 /* This is the trivial case. */
1455 /* Primitive classes are only subclasses of themselves. */
1457 if (class_is_primitive(sub) || class_is_primitive(super))
1460 /* Check for interfaces. */
1462 if (super->flags & ACC_INTERFACE) {
1463 result = (sub->vftbl->interfacetablelength > super->index) &&
1464 (sub->vftbl->interfacetable[-super->index] != NULL);
1467 /* java.lang.Object is the only super class of any
1470 if (sub->flags & ACC_INTERFACE)
1471 return (super == class_java_lang_Object);
1473 #if USES_NEW_SUBTYPE
1474 result = fast_subtype_check(sub->vftbl, super->vftbl);
1476 LOCK_CLASSRENUMBER_LOCK;
1478 uint32_t diffval = sub->vftbl->baseval - super->vftbl->baseval;
1479 result = diffval <= (uint32_t) super->vftbl->diffval;
1481 UNLOCK_CLASSRENUMBER_LOCK;
1489 /* class_is_arraycompatible ****************************************************
1491 Checks if two array type descriptors are assignment compatible.
1494 true .... target = desc is possible
1497 *******************************************************************************/
1499 bool class_is_arraycompatible(arraydescriptor *desc, arraydescriptor *target)
1504 if (desc->arraytype != target->arraytype)
1507 if (desc->arraytype != ARRAYTYPE_OBJECT)
1510 /* {both arrays are arrays of references} */
1512 if (desc->dimension == target->dimension) {
1513 if (!desc->elementvftbl)
1515 /* an array which contains elements of interface types is
1516 allowed to be casted to Object (JOWENN)*/
1518 if ((desc->elementvftbl->baseval < 0) &&
1519 (target->elementvftbl->baseval == 1))
1522 return class_isanysubclass(desc->elementvftbl->clazz,
1523 target->elementvftbl->clazz);
1526 if (desc->dimension < target->dimension)
1529 /* {desc has higher dimension than target} */
1531 return class_isanysubclass(pseudo_class_Arraystub,
1532 target->elementvftbl->clazz);
1536 /* class_is_assignable_from ****************************************************
1538 Return whether an instance of the "from" class parameter would be
1539 an instance of this class "to" as well.
1546 true .... is assignable
1547 false ... is not assignable
1549 *******************************************************************************/
1551 bool class_is_assignable_from(classinfo *to, classinfo *from)
1553 if (!(to->state & CLASS_LINKED))
1554 if (!link_class(to))
1557 if (!(from->state & CLASS_LINKED))
1558 if (!link_class(from))
1561 /* Decide whether we are dealing with array types or object types. */
1563 if (class_is_array(to))
1564 return class_is_arraycompatible(from->vftbl->arraydesc, to->vftbl->arraydesc);
1566 return class_isanysubclass(from, to);
1570 /* class_is_instance ***********************************************************
1572 Return if the given Java object is an instance of the given class.
1579 true .... is instance
1580 false ... is not instance
1582 *******************************************************************************/
1584 bool class_is_instance(classinfo *c, java_handle_t *h)
1586 if (!(c->state & CLASS_LINKED))
1590 /* Decide whether we are dealing with array types or object types. */
1592 if (class_is_array(c))
1593 return builtin_arrayinstanceof(h, c);
1595 return builtin_instanceof(h, c);
1599 /* class_get_componenttype *****************************************************
1601 Return the component class of the given class. If the given class
1602 is not an array, return NULL.
1604 *******************************************************************************/
1606 classinfo *class_get_componenttype(classinfo *c)
1608 classinfo *component;
1609 arraydescriptor *ad;
1611 /* XXX maybe we could find a way to do this without linking. */
1612 /* This way should be safe and easy, however. */
1614 if (!(c->state & CLASS_LINKED))
1618 ad = c->vftbl->arraydesc;
1623 if (ad->arraytype == ARRAYTYPE_OBJECT)
1624 component = ad->componentvftbl->clazz;
1626 component = Primitive::get_class_by_type(ad->arraytype);
1632 /* class_get_declaredclasses ***************************************************
1634 Return an array of declared classes of the given class.
1636 *******************************************************************************/
1638 java_handle_objectarray_t *class_get_declaredclasses(classinfo *c, bool publicOnly)
1640 classref_or_classinfo inner;
1641 classref_or_classinfo outer;
1643 int declaredclasscount; /* number of declared classes */
1644 int pos; /* current declared class */
1645 java_handle_objectarray_t *oa; /* array of declared classes */
1649 declaredclasscount = 0;
1651 if (!class_is_primitive(c) && !class_is_array(c)) {
1652 /* Determine number of declared classes. */
1654 for (i = 0; i < c->innerclasscount; i++) {
1655 /* Get outer-class. If the inner-class is not a member
1656 class, the outer-class is NULL. */
1658 outer = c->innerclass[i].outer_class;
1660 if (outer.any == NULL)
1663 /* Check if outer-class is a classref or a real class and
1664 get the class name from the structure. */
1666 outername = IS_CLASSREF(outer) ? outer.ref->name : outer.cls->name;
1668 /* Outer class is this class. */
1670 if ((outername == c->name) &&
1671 ((publicOnly == 0) || (c->innerclass[i].flags & ACC_PUBLIC)))
1672 declaredclasscount++;
1676 /* Allocate Class[] and check for OOM. */
1678 oa = builtin_anewarray(declaredclasscount, class_java_lang_Class);
1683 for (i = 0, pos = 0; i < c->innerclasscount; i++) {
1684 inner = c->innerclass[i].inner_class;
1685 outer = c->innerclass[i].outer_class;
1687 /* Get outer-class. If the inner-class is not a member class,
1688 the outer-class is NULL. */
1690 if (outer.any == NULL)
1693 /* Check if outer_class is a classref or a real class and get
1694 the class name from the structure. */
1696 outername = IS_CLASSREF(outer) ? outer.ref->name : outer.cls->name;
1698 /* Outer class is this class. */
1700 if ((outername == c->name) &&
1701 ((publicOnly == 0) || (c->innerclass[i].flags & ACC_PUBLIC))) {
1703 ic = resolve_classref_or_classinfo_eager(inner, false);
1708 if (!(ic->state & CLASS_LINKED))
1709 if (!link_class(ic))
1712 LLNI_array_direct(oa, pos++) = (java_object_t *) ic;
1721 * Return an array of declared constructors of the given class.
1723 * @param c class to get the constructors of
1724 * @param publicOnly show only public fields
1726 * @return array of java.lang.reflect.Constructor
1728 #if defined(ENABLE_JAVASE)
1729 java_handle_objectarray_t *class_get_declaredconstructors(classinfo *c, bool publicOnly)
1732 java_handle_objectarray_t* oa;
1737 /* Determine number of constructors. */
1741 for (i = 0; i < c->methodscount; i++) {
1742 m = &(c->methods[i]);
1744 if (((m->flags & ACC_PUBLIC) || (publicOnly == 0)) &&
1745 (m->name == utf_init))
1749 /* Create array of constructors. */
1751 oa = builtin_anewarray(count, class_java_lang_reflect_Constructor);
1756 /* Get the constructors and store them in the array. */
1758 for (i = 0, index = 0; i < c->methodscount; i++) {
1759 m = &(c->methods[i]);
1761 if (((m->flags & ACC_PUBLIC) || (publicOnly == 0)) &&
1762 (m->name == utf_init)) {
1763 // Create a java.lang.reflect.Constructor object.
1765 java_lang_reflect_Constructor rc(m);
1767 /* Store object into array. */
1769 array_objectarray_element_set(oa, index, rc.get_handle());
1779 /* class_get_declaredfields ****************************************************
1781 Return an array of declared fields of the given class.
1784 c ............ class to get the fields of
1785 publicOnly ... show only public fields
1788 array of java.lang.reflect.Field
1790 *******************************************************************************/
1792 #if defined(ENABLE_JAVASE)
1793 java_handle_objectarray_t *class_get_declaredfields(classinfo *c, bool publicOnly)
1795 java_handle_objectarray_t *oa;
1801 /* Determine number of fields. */
1805 for (i = 0; i < c->fieldscount; i++)
1806 if ((c->fields[i].flags & ACC_PUBLIC) || (publicOnly == 0))
1809 /* Create array of fields. */
1811 oa = builtin_anewarray(count, class_java_lang_reflect_Field);
1816 /* Get the fields and store them in the array. */
1818 for (i = 0, index = 0; i < c->fieldscount; i++) {
1819 f = &(c->fields[i]);
1821 if ((f->flags & ACC_PUBLIC) || (publicOnly == 0)) {
1822 // Create a java.lang.reflect.Field object.
1824 java_lang_reflect_Field rf(f);
1826 /* Store object into array. */
1828 array_objectarray_element_set(oa, index, rf.get_handle());
1838 /* class_get_declaredmethods ***************************************************
1840 Return an array of declared methods of the given class.
1843 c ............ class to get the methods of
1844 publicOnly ... show only public methods
1847 array of java.lang.reflect.Method
1849 *******************************************************************************/
1851 #if defined(ENABLE_JAVASE)
1852 java_handle_objectarray_t *class_get_declaredmethods(classinfo *c, bool publicOnly)
1854 java_handle_objectarray_t *oa; /* result: array of Method-objects */
1855 methodinfo *m; /* the current method to be represented */
1860 /* JOWENN: array classes do not declare methods according to mauve
1861 test. It should be considered, if we should return to my old
1862 clone method overriding instead of declaring it as a member
1865 if (class_is_array(c))
1866 return builtin_anewarray(0, class_java_lang_reflect_Method);
1868 /* Determine number of methods. */
1872 for (i = 0; i < c->methodscount; i++) {
1873 m = &(c->methods[i]);
1875 if (((m->flags & ACC_PUBLIC) || (publicOnly == false)) &&
1876 ((m->name != utf_init) && (m->name != utf_clinit)) &&
1877 !(m->flags & ACC_MIRANDA))
1881 /* Create array of methods. */
1883 oa = builtin_anewarray(count, class_java_lang_reflect_Method);
1888 /* Get the methods and store them in the array. */
1890 for (i = 0, index = 0; i < c->methodscount; i++) {
1891 m = &(c->methods[i]);
1893 if (((m->flags & ACC_PUBLIC) || (publicOnly == false)) &&
1894 ((m->name != utf_init) && (m->name != utf_clinit)) &&
1895 !(m->flags & ACC_MIRANDA)) {
1896 // Create java.lang.reflect.Method object.
1898 java_lang_reflect_Method rm(m);
1900 /* Store object into array. */
1902 array_objectarray_element_set(oa, index, rm.get_handle());
1912 /* class_get_declaringclass ****************************************************
1914 If the class or interface given is a member of another class,
1915 return the declaring class. For array and primitive classes return
1918 *******************************************************************************/
1920 classinfo *class_get_declaringclass(classinfo *c)
1922 classref_or_classinfo cr;
1925 /* Get declaring class. */
1927 cr = c->declaringclass;
1932 /* Resolve the class if necessary. */
1934 if (IS_CLASSREF(cr)) {
1935 /* dc = resolve_classref_eager(cr.ref); */
1936 dc = resolve_classref_or_classinfo_eager(cr, true);
1941 /* Store the resolved class in the class structure. */
1952 /* class_get_enclosingclass ****************************************************
1954 Return the enclosing class for the given class.
1956 *******************************************************************************/
1958 classinfo *class_get_enclosingclass(classinfo *c)
1960 classref_or_classinfo cr;
1963 /* Get enclosing class. */
1965 cr = c->enclosingclass;
1970 /* Resolve the class if necessary. */
1972 if (IS_CLASSREF(cr)) {
1973 /* ec = resolve_classref_eager(cr.ref); */
1974 ec = resolve_classref_or_classinfo_eager(cr, true);
1979 /* Store the resolved class in the class structure. */
1991 * Return the enclosing constructor as java.lang.reflect.Constructor
1992 * object for the given class.
1994 * @param c class to return the enclosing constructor for
1996 * @return java.lang.reflect.Constructor object of the enclosing
1999 #if defined(ENABLE_JAVASE)
2000 java_handle_t* class_get_enclosingconstructor(classinfo *c)
2004 m = class_get_enclosingmethod_raw(c);
2009 /* Check for <init>. */
2011 if (m->name != utf_init)
2014 // Create a java.lang.reflect.Constructor object.
2016 java_lang_reflect_Constructor rc(m);
2018 return rc.get_handle();
2023 /* class_get_enclosingmethod ***************************************************
2025 Return the enclosing method for the given class.
2028 c ... class to return the enclosing method for
2031 methodinfo of the enclosing method
2033 *******************************************************************************/
2035 methodinfo *class_get_enclosingmethod_raw(classinfo *c)
2037 constant_nameandtype *cn;
2041 /* get enclosing class and method */
2043 ec = class_get_enclosingclass(c);
2044 cn = c->enclosingmethod;
2046 /* check for enclosing class and method */
2054 /* find method in enclosing class */
2056 m = class_findmethod(ec, cn->name, cn->descriptor);
2059 exceptions_throw_internalerror("Enclosing method doesn't exist");
2068 * Return the enclosing method as java.lang.reflect.Method object for
2071 * @param c class to return the enclosing method for
2073 * @return java.lang.reflect.Method object of the enclosing method
2075 #if defined(ENABLE_JAVASE)
2076 java_handle_t* class_get_enclosingmethod(classinfo *c)
2080 m = class_get_enclosingmethod_raw(c);
2085 /* check for <init> */
2087 if (m->name == utf_init)
2090 // Create a java.lang.reflect.Method object.
2092 java_lang_reflect_Method rm(m);
2094 return rm.get_handle();
2099 /* class_get_interfaces ********************************************************
2101 Return an array of interfaces of the given class.
2103 *******************************************************************************/
2105 java_handle_objectarray_t *class_get_interfaces(classinfo *c)
2108 java_handle_objectarray_t *oa;
2111 if (!(c->state & CLASS_LINKED))
2115 oa = builtin_anewarray(c->interfacescount, class_java_lang_Class);
2120 for (i = 0; i < c->interfacescount; i++) {
2121 ic = c->interfaces[i];
2123 LLNI_array_direct(oa, i) = (java_object_t *) ic;
2130 /* class_get_annotations *******************************************************
2132 Get the unparsed declared annotations in a byte array
2136 c........the class of which the annotations should be returned
2139 The unparsed declared annotations in a byte array
2140 (or NULL if there aren't any).
2142 *******************************************************************************/
2144 java_handle_bytearray_t *class_get_annotations(classinfo *c)
2146 #if defined(ENABLE_ANNOTATIONS)
2147 java_handle_t *annotations; /* unparsed annotations */
2149 LLNI_classinfo_field_get(c, annotations, annotations);
2151 return (java_handle_bytearray_t*)annotations;
2158 /* class_get_modifiers *********************************************************
2160 Get the modifier flags of the given class.
2163 c....the class of which the modifier flags should be returned
2164 ignoreInnerClassesAttrib
2168 *******************************************************************************/
2170 int32_t class_get_modifiers(classinfo *c, bool ignoreInnerClassesAttrib)
2172 classref_or_classinfo inner;
2173 classref_or_classinfo outer;
2178 /* default to flags of passed class */
2182 /* if requested we check if passed class is inner class */
2184 if (!ignoreInnerClassesAttrib && (c->innerclasscount != 0)) {
2185 /* search for passed class as inner class */
2187 for (i = 0; i < c->innerclasscount; i++) {
2188 inner = c->innerclass[i].inner_class;
2189 outer = c->innerclass[i].outer_class;
2191 /* Check if inner is a classref or a real class and get
2192 the name of the structure */
2194 innername = IS_CLASSREF(inner) ? inner.ref->name : inner.cls->name;
2196 /* innerclass is this class */
2198 if (innername == c->name) {
2199 /* has the class actually an outer class? */
2202 /* return flags got from the outer class file */
2203 flags = c->innerclass[i].flags;
2210 /* remove ACC_SUPER bit from flags */
2212 return flags & ~ACC_SUPER & ACC_CLASS_REFLECT_MASK;
2216 /* class_get_signature *********************************************************
2218 Return the signature of the given class. For array and primitive
2219 classes return NULL.
2221 *******************************************************************************/
2223 #if defined(ENABLE_JAVASE)
2224 utf *class_get_signature(classinfo *c)
2226 /* For array and primitive classes return NULL. */
2228 if (class_is_array(c) || class_is_primitive(c))
2231 return c->signature;
2236 /* class_printflags ************************************************************
2238 Prints flags of a class.
2240 *******************************************************************************/
2242 #if !defined(NDEBUG)
2243 void class_printflags(classinfo *c)
2250 if (c->flags & ACC_PUBLIC) printf(" PUBLIC");
2251 if (c->flags & ACC_PRIVATE) printf(" PRIVATE");
2252 if (c->flags & ACC_PROTECTED) printf(" PROTECTED");
2253 if (c->flags & ACC_STATIC) printf(" STATIC");
2254 if (c->flags & ACC_FINAL) printf(" FINAL");
2255 if (c->flags & ACC_SYNCHRONIZED) printf(" SYNCHRONIZED");
2256 if (c->flags & ACC_VOLATILE) printf(" VOLATILE");
2257 if (c->flags & ACC_TRANSIENT) printf(" TRANSIENT");
2258 if (c->flags & ACC_NATIVE) printf(" NATIVE");
2259 if (c->flags & ACC_INTERFACE) printf(" INTERFACE");
2260 if (c->flags & ACC_ABSTRACT) printf(" ABSTRACT");
2265 /* class_print *****************************************************************
2267 Prints classname plus flags.
2269 *******************************************************************************/
2271 #if !defined(NDEBUG)
2272 void class_print(classinfo *c)
2279 utf_display_printable_ascii(c->name);
2280 class_printflags(c);
2285 /* class_classref_print ********************************************************
2287 Prints classname plus referer class.
2289 *******************************************************************************/
2291 #if !defined(NDEBUG)
2292 void class_classref_print(constant_classref *cr)
2299 utf_display_printable_ascii(cr->name);
2302 class_print(cr->referer);
2310 /* class_println ***************************************************************
2312 Prints classname plus flags and new line.
2314 *******************************************************************************/
2316 #if !defined(NDEBUG)
2317 void class_println(classinfo *c)
2325 /* class_classref_println ******************************************************
2327 Prints classname plus referer class and new line.
2329 *******************************************************************************/
2331 #if !defined(NDEBUG)
2332 void class_classref_println(constant_classref *cr)
2334 class_classref_print(cr);
2340 /* class_classref_or_classinfo_print *******************************************
2342 Prints classname plus referer class.
2344 *******************************************************************************/
2346 #if !defined(NDEBUG)
2347 void class_classref_or_classinfo_print(classref_or_classinfo c)
2349 if (c.any == NULL) {
2350 printf("(classref_or_classinfo) NULL");
2354 class_classref_print(c.ref);
2361 /* class_classref_or_classinfo_println *****************************************
2363 Prints classname plus referer class and a newline.
2365 *******************************************************************************/
2367 #if !defined(NDEBUG)
2368 void class_classref_or_classinfo_println(classref_or_classinfo c)
2370 class_classref_or_classinfo_print(c);
2376 /* class_showconstantpool ******************************************************
2378 Dump the constant pool of the given class to stdout.
2380 *******************************************************************************/
2382 #if !defined(NDEBUG)
2383 void class_showconstantpool (classinfo *c)
2388 printf ("---- dump of constant pool ----\n");
2390 for (i=0; i<c->cpcount; i++) {
2391 printf ("#%d: ", (int) i);
2393 e = c -> cpinfos [i];
2396 switch (c -> cptags [i]) {
2397 case CONSTANT_Class:
2398 printf ("Classreference -> ");
2399 utf_display_printable_ascii ( ((constant_classref*)e) -> name );
2401 case CONSTANT_Fieldref:
2402 printf ("Fieldref -> ");
2403 field_fieldref_print((constant_FMIref *) e);
2405 case CONSTANT_Methodref:
2406 printf ("Methodref -> ");
2407 method_methodref_print((constant_FMIref *) e);
2409 case CONSTANT_InterfaceMethodref:
2410 printf ("InterfaceMethod -> ");
2411 method_methodref_print((constant_FMIref *) e);
2413 case CONSTANT_String:
2414 printf ("String -> ");
2415 utf_display_printable_ascii ((utf*) e);
2417 case CONSTANT_Integer:
2418 printf ("Integer -> %d", (int) ( ((constant_integer*)e) -> value) );
2420 case CONSTANT_Float:
2421 printf ("Float -> %f", ((constant_float*)e) -> value);
2423 case CONSTANT_Double:
2424 printf ("Double -> %f", ((constant_double*)e) -> value);
2427 printf ("Long -> %ld", (long int) ((constant_long*)e) -> value);
2429 case CONSTANT_NameAndType:
2431 constant_nameandtype *cnt = (constant_nameandtype *) e;
2432 printf ("NameAndType: ");
2433 utf_display_printable_ascii (cnt->name);
2435 utf_display_printable_ascii (cnt->descriptor);
2439 printf ("Utf8 -> ");
2440 utf_display_printable_ascii ((utf*) e);
2443 log_text("Invalid type of ConstantPool-Entry");
2451 #endif /* !defined(NDEBUG) */
2454 /* class_showmethods ***********************************************************
2456 Dump info about the fields and methods of the given class to stdout.
2458 *******************************************************************************/
2460 #if !defined(NDEBUG)
2461 void class_showmethods (classinfo *c)
2465 printf("--------- Fields and Methods ----------------\n");
2467 class_printflags(c);
2471 utf_display_printable_ascii(c->name);
2476 utf_display_printable_ascii(c->super->name);
2480 printf("Index: %d\n", c->index);
2482 printf("Interfaces:\n");
2483 for (i = 0; i < c->interfacescount; i++) {
2485 utf_display_printable_ascii(c->interfaces[i]->name);
2486 printf (" (%d)\n", c->interfaces[i]->index);
2489 printf("Fields:\n");
2490 for (i = 0; i < c->fieldscount; i++)
2491 field_println(&(c->fields[i]));
2493 printf("Methods:\n");
2494 for (i = 0; i < c->methodscount; i++) {
2495 methodinfo *m = &(c->methods[i]);
2497 if (!(m->flags & ACC_STATIC))
2498 printf("vftblindex: %d ", m->vftblindex);
2503 printf ("Virtual function table:\n");
2504 for (i = 0; i < c->vftbl->vftbllength; i++)
2505 printf ("entry: %d, %ld\n", i, (long int) (c->vftbl->table[i]));
2507 #endif /* !defined(NDEBUG) */
2511 * These are local overrides for various environment variables in Emacs.
2512 * Please do not remove this and leave it at the end of the file, where
2513 * Emacs will automagically detect them.
2514 * ---------------------------------------------------------------------
2517 * indent-tabs-mode: t
2521 * vim:noexpandtab:sw=4:ts=4: