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/********************************************************************** |
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* Copyright (c) 2008 IBM Corporation and others. |
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* All rights reserved. This program and the accompanying materials |
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* are made available under the terms of the Eclipse Public License v1.0 |
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* which accompanies this distribution, and is available at |
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* http://www.eclipse.org/legal/epl-v10.html |
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* $Id$ |
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* |
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* Contributors: |
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* Intel - Initial API and implementation |
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**********************************************************************/ |
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#ifdef WIN32 |
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#pragma warning(disable:4786) |
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#endif |
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|
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#include <stdlib.h> |
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#include <string.h> |
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|
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#include <map> |
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|
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#include <assert.h> |
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|
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#include "class_inerface_int.h" |
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#include "BCIEng.h" |
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#include "JClassBuilder.h" |
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#include "ModuleJ.h" |
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|
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#include "JMemStream.h" |
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|
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#include <jni.h> |
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|
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typedef unsigned long intptr; |
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|
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static JNIEnv *(*m_get_vm_pointer)(void **); |
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|
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static jclass m_j_l_class; |
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static jclass m_j_l_classloader; |
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static jmethodID m_j_l_class_getName; /*()Ljava/lang/String;*/ |
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static jmethodID m_j_l_class_isInterface;/* ()Z */ |
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static jmethodID m_j_l_class_getClassLoader; /*()Ljava/lang/ClassLoader;*/ |
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static jmethodID m_j_l_classloader_findLoadedClass; /*(Ljava/lang/String;)Ljava/lang/Class;*/ |
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static jmethodID m_j_l_classloader_getSystemClassLoader; /*()Ljava/lang/ClassLoader;*/ |
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static jobject m_system_classloader; |
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/** |
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* Define class handler |
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*/ |
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/*[0xdead0001 - simplefied, 0xdead0002 - instrumented, 0xdead0000 - none]*/ |
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#define CLASS_HANDLER_MASK 0xdeadffff |
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#define CLASS_HANDLER_SIMPLEFIED 0xdead0001 |
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#define CLASS_HANDLER_INSTRUMENTED 0xdead0002 |
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#define CLASS_HANDLER_NONE 0xdead0000 |
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#define IS_CLASS_INSTRUMENTED(x) (((x)->magic & CLASS_HANDLER_MASK) == CLASS_HANDLER_INSTRUMENTED) |
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struct Class{ |
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int magic; |
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struct { |
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class CModuleJ *instrumented_class; |
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void *simplefied_class; |
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} X; /*XXX: possible union here will be more applieble */ |
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int loaded; |
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const char *class_name; /*used if loaded = 0*/ |
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struct Class *super_class; |
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}; |
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|
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typedef std::map<std::string,class_handler> name2ch_t; |
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static name2ch_t m_name2ch; |
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|
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#define MEHTOD_HANDLER_MASK 0xbabeffff |
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#define METHOD_HANDLER_SELF 0xbabe0001 |
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#define METHOD_HANDLER_EXT 0xbabe0002 |
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#define METHOD_HANDLER_NONE 0xbabe0000 |
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struct Method { |
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int magic; |
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struct { |
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class CMethodJ *instrumented_method; |
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void *simplefied_method; |
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} X; /*XXX: possible union here will be more applieble */ |
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class_handler class_owner; |
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const char *method_name; /*used for METHOD_HANDLER_EXT only*/ |
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const char *method_descriptor; /*used for METHOD_HANDLER_EXT only*/ |
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}; |
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|
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static struct Class *m_j_l_object_ch; |
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/** |
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* Define field handler |
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*/ |
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typedef struct Field_ * field_handler; |
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|
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/** |
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* Define method handler |
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*/ |
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//typedef struct Method_ * method_handler; |
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|
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/** |
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* Define class loader handler |
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*/ |
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typedef struct ClassLoader_ * classloader_handler; |
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|
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static int |
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create_class_handler(class_handler *pch, int flag, const char *class_name, int loaded, void *dsk) |
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{ |
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class_handler ch0 = m_name2ch[class_name]; /*for debug*/ |
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if (m_name2ch[class_name] != NULL |
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&& m_name2ch[class_name]->magic == flag) { |
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*pch = m_name2ch[class_name]; |
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return (0); |
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} |
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class_handler ch = (class_handler)malloc(sizeof(struct Class)); |
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memset(ch, 0, sizeof(struct Class)); |
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assert(ch); |
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ch->loaded = loaded; |
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if (loaded == 0) { |
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ch->class_name = class_name; |
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} |
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ch->magic = flag; |
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switch(flag) { |
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case (CLASS_HANDLER_SIMPLEFIED): |
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ch->X.simplefied_class = dsk; |
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if (loaded == 0) { |
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ch->class_name = class_name; |
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} |
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ch->loaded = loaded; |
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break; |
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case (CLASS_HANDLER_INSTRUMENTED): |
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ch->X.instrumented_class = (CModuleJ *)dsk; |
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break; |
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default: |
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assert(!"shouldn't be here!!!"); |
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} |
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*pch = ch; |
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m_name2ch[class_name] = ch; |
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return (0); |
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} |
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|
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extern "C" int |
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create_method_handler(method_handler *pmh, class_handler ch, int flag, void *dsk) |
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{ |
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method_handler mh = (method_handler)malloc(sizeof(struct Method)); |
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assert(mh); |
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memset(mh, 0, sizeof(struct Method)); |
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switch (flag) { |
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case METHOD_HANDLER_SELF: |
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mh->X.instrumented_method = (class CMethodJ *)dsk; |
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break; |
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case METHOD_HANDLER_EXT: |
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mh->X.simplefied_method = dsk; |
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break; |
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default: |
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assert(!"shouldn't enter here"); |
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} |
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mh->magic = (IS_CLASS_INSTRUMENTED(ch))?METHOD_HANDLER_SELF:flag; |
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mh->class_owner = ch; |
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*pmh = mh; |
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return (0); |
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} |
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/** |
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* Class interface |
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*/ |
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|
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/** |
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* Function returns class major version. |
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* @param klass - class handler |
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* @return Class name bytes. |
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* @note Assertion is raised if klass is equal to null. |
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*/ |
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extern "C" unsigned short |
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class_get_version( class_handler klass ) { |
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if (IS_CLASS_INSTRUMENTED(klass)) { |
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return klass->X.instrumented_class->GetClassBuilder().GetMajorVersion(); |
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} else { |
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assert (!"not implemented yet!"); |
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} |
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return (0); |
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} |
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|
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/** |
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* Function returns class name. |
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* @param klass - class handler |
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* @return Class name bytes. |
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* @note Assertion is raised if klass is equal to null. |
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*/ |
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extern "C" const char * |
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class_get_name( class_handler klass ) |
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{ |
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JNIEnv *env; |
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jstring class_name; |
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if (IS_CLASS_INSTRUMENTED(klass)) { |
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return klass->X.instrumented_class->GetName(); |
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} |
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else { |
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if (klass->loaded == 0) { |
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return(klass->class_name); |
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} |
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env = m_get_vm_pointer((void **)&env); |
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class_name = (jstring)env->CallObjectMethod((jobject)klass->X.simplefied_class, m_j_l_class_getName); |
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if (class_name == NULL) |
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return (NULL); |
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char *class_name_simple = (char *)env->GetStringUTFChars(class_name, NULL); |
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char *ch = strchr(class_name_simple, '.'); |
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while (ch != NULL) { |
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*ch = '/'; |
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ch = strchr(ch, '.'); |
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} |
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return(class_name_simple); |
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|
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} |
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return (NULL); |
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} |
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|
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/** |
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* Function returns class loader. |
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* @param klass - class handler |
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* @return Class class loader handler. |
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* @note Assertion is raised if klass is equal to null. |
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*/ |
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extern "C" classloader_handler |
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class_get_class_loader( class_handler klass ) |
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{ |
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if (IS_CLASS_INSTRUMENTED(klass)) { |
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return (0); |
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} else { |
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assert(!"simplefied"); |
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} |
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return (NULL); |
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} |
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|
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/** |
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* Function returns super class of current class. |
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* @param klass - class handler |
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* @return Super class of current class. |
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* @note Assertion is raised if klass is equal to null. |
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*/ |
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extern "C" class_handler |
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class_get_super_class( class_handler klass ) |
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{ |
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|
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const char *class_name; |
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const char *super_class_name = NULL; |
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jobject this_class = NULL; |
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jobject super_class; |
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JNIEnv *env = NULL; |
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env = m_get_vm_pointer((void **)&env); |
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assert(env); |
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int loaded = 1; |
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if (klass->loaded == 0 && strcmp(klass->class_name,"java/lang/Object") == 0) return (NULL); |
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if (klass->super_class != NULL) return (klass->super_class); |
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|
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if (IS_CLASS_INSTRUMENTED(klass)) { |
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class_name = klass->X.instrumented_class->GetName(); |
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CConstPool* cpool = klass->X.instrumented_class->GetClass().GetConstPool(); |
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CCPUtf8Info* utfinfo = cpool->GetClass(klass->X.instrumented_class->GetClass().GetSuperClass()); |
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super_class_name = (const char *)utfinfo->GetBytes(); |
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assert(super_class_name); |
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super_class = (jclass)env->FindClass(super_class_name); |
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} |
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else { |
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if (klass->loaded == 0) { |
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assert(klass->class_name); |
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this_class = (jclass)env->FindClass(klass->class_name); |
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if (this_class == NULL && env->ExceptionCheck()) { |
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env->ExceptionDescribe(); |
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env->ExceptionClear(); |
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//XXX: class wasn't found or loaded |
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return (m_j_l_object_ch); |
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//return (NULL); |
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} |
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} |
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this_class = this_class?this_class:(jobject)klass->X.simplefied_class; |
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super_class = (jobject)env->GetSuperclass((jclass)this_class); |
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} |
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|
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if (super_class == NULL) { |
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if (env->ExceptionCheck()) { |
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env->ExceptionDescribe(); |
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env->ExceptionClear(); |
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//XXX: class wasn't found or loaded |
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loaded = 0; |
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//return (NULL); |
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} |
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else { |
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klass->super_class = m_j_l_object_ch; |
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return (m_j_l_object_ch); |
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//return (NULL); /*it happends when klass is java.lang.Object*/ |
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} |
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} |
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else { |
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jstring jclass_name = (jstring)env->CallObjectMethod(super_class, m_j_l_class_getName); |
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if (jclass_name == NULL) { |
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return (m_j_l_object_ch); |
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} |
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char *class_name_simple = (char *)env->GetStringUTFChars(jclass_name, NULL); |
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assert (class_name_simple); |
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char *ch = strchr(class_name_simple, '.'); |
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while (ch != NULL) { |
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*ch = '/'; |
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ch = strchr(ch, '.'); |
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} |
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super_class_name = class_name_simple; |
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} |
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|
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//assert(super_class); |
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class_handler ch; |
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int status = create_class_handler(&ch, CLASS_HANDLER_SIMPLEFIED, super_class_name, loaded, super_class); |
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assert(status == 0); |
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return (ch); |
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} |
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|
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/** |
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* Function checks if classes are equal. |
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* @param klass1 - class handler |
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* @param klass2 - class handler |
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* @return If classes are equal returns <code>true</code>, else returns <code>false</code>. |
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* @note Assertion is raised if klass1 or klass2 are equal to null. |
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*/ |
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extern "C" unsigned |
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class_is_same_class( class_handler klass1, class_handler klass2 ) |
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{ |
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assert(!"verifier entered!!"); |
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return 0; |
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} |
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|
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static char* |
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package_name(const char* kname) |
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{ |
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char *tokp; |
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char *tok0; |
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tokp = tok0 = (char *)&kname[0]; |
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tok0 = strchr(kname, '/'); |
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while (tok0 != NULL) { |
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tokp = tok0; |
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tok0 = strchr(tok0 + 1, '/'); |
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} |
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return (tokp); |
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} |
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|
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/** |
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* Function checks if classes have the same package. |
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* @param klass1 - class handler |
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* @param klass2 - class handler |
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* @return If classes have the same package returns <code>true</code>, else returns <code>false</code>. |
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* @note Assertion is raised if klass1 or klass2 are equal to null. |
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*/ |
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extern "C" unsigned |
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class_is_same_package( class_handler klass1, class_handler klass2 ) |
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{ |
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if (klass1 == klass2) { |
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return (1); |
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} |
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else { |
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const char *klass1_name = class_get_name(klass1); |
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const char *klass2_name = class_get_name(klass2); |
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char* package1 = package_name(klass1_name); |
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char* package2 = package_name(klass2_name); |
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int package1_len = (package1 - klass1_name); |
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int package2_len = (package2 - klass2_name); |
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if (package1_len != package2_len) |
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return (0); |
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return(strncmp(klass1_name, klass2_name, package2_len) == 0); |
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assert(!"verifier entered!!"); |
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} |
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return (0); |
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} |
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|
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/** |
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* Function checks if current class is interface. |
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* @param klass - class handler |
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* @return If class is interface returns <code>true</code>, else returns <code>false</code>. |
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* @note Assertion is raised if klass is equal to null. |
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*/ |
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// FIXME - There is a macro class_is_interface in Class.h |
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extern "C" unsigned |
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class_is_interface( class_handler klass ) |
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{ |
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JNIEnv *env; |
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env = m_get_vm_pointer((void **)&env); |
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assert(env); |
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if (IS_CLASS_INSTRUMENTED(klass)) { |
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return (0); |
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} |
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else { |
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return (unsigned)(env->CallBooleanMethod((jobject)klass->X.simplefied_class, m_j_l_class_isInterface)); |
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} |
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|
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return (0); |
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} |
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|
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/** |
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* Function checks if current class is array. |
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* @param klass - class handler |
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* @return If class is array returns <code>true</code>, else returns <code>false</code>. |
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* @note Assertion is raised if klass is equal to null. |
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*/ |
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extern "C" unsigned |
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class_is_array( class_handler klass ) |
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{ |
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assert(!"verifier entered!!"); |
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return (0); |
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} |
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|
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/** |
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* Function checks if current class is final. |
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* @param klass - class handler |
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* @return If class is final returns <code>true</code>, else returns <code>false</code>. |
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* @note Assertion is raised if klass is equal to null. |
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*/ |
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// FIXME - There is a macro class_is_final in Class.h |
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extern "C" unsigned |
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class_is_final_( class_handler klass ) |
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{ |
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assert(!"verifier entered!!"); |
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return (0); |
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} |
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|
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/** |
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* Function receives number of super interfaces of class. |
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* @param klass - class handler |
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* @return Number of super interfaces of class. |
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* @note Assertion is raised if klass is equal to null. |
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*/ |
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extern "C" unsigned short |
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class_get_superinterface_number( class_handler klass ) |
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{ |
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assert(!"verifier entered!!"); |
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return (0); |
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} |
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|
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/** |
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* Function receives super interface of class. |
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* @param klass - class handler |
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* @param index - super interface number |
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* @return Super interface of class. |
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* @note Assertion is raised if klass is equal to null or index is out of range. |
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*/ |
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extern "C" class_handler |
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class_get_superinterface( class_handler klass, unsigned short index ) |
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{ |
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assert(!"verifier entered!!"); |
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return (NULL); |
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} |
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|
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/** |
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* Function receives element class of array class. |
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* @param klass - class handler |
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* @return Element class of array class. |
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* @note Assertion is raised if klass is equal to null or isn't array class. |
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*/ |
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extern "C" class_handler |
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class_get_array_element_class( class_handler klass ) |
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{ |
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assert(!"verifier entered!!"); |
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return (NULL); |
| 451 |
} |
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|
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|
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/** |
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* Function checks if class extends current class with given name. |
| 456 |
* @param klass - checked klass |
| 457 |
* @param super_name - parent class name |
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* @return If given class extends current class with given name, |
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* function returns its class handler, else function returns 0. |
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* @note Assertion is raised if <i>klass</i> or <i>super_name</i> are equal to null. |
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*/ |
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extern "C" class_handler |
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class_get_extended_class( class_handler klass, const char *super_name ) |
| 464 |
{ |
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return (NULL); |
| 466 |
} |
| 467 |
|
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/** |
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* Function returns number of methods for current class. |
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* @param klass - class handler |
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* @return Number of methods for class. |
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* @note Assertion is raised if klass is equal to null. |
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*/ |
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extern "C" unsigned short |
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class_get_method_number( class_handler klass ) |
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{ |
| 477 |
assert(!"verifier entered!!"); |
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return (0); |
| 479 |
} |
| 480 |
|
| 481 |
/** |
| 482 |
* Function returns method of current class. |
| 483 |
* @param klass - class handler |
| 484 |
* @param index - method index |
| 485 |
* @return Method handler. |
| 486 |
* @note Assertion is raised if klass is equal to null or index is out of range. |
| 487 |
*/ |
| 488 |
extern "C" method_handler |
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class_get_method( class_handler klass, unsigned short index ) |
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{ |
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assert(!"verifier entered!!"); |
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return (NULL); |
| 493 |
} |
| 494 |
|
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|
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/** |
| 497 |
* Constant pool inteface |
| 498 |
*/ |
| 499 |
|
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/** |
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* Function returns class constant pool size. |
| 502 |
* @param klass - class handler |
| 503 |
* @return constant pool size |
| 504 |
* @note Assertion is raised if klass is equal to null. |
| 505 |
*/ |
| 506 |
extern "C" unsigned short |
| 507 |
class_cp_get_size( class_handler klass ) |
| 508 |
{ |
| 509 |
assert(klass); |
| 510 |
if (IS_CLASS_INSTRUMENTED(klass)) { |
| 511 |
assert(klass->X.instrumented_class); |
| 512 |
assert(klass->X.instrumented_class->GetClassBuilder().GetConstPool()); |
| 513 |
return klass->X.instrumented_class->GetClassBuilder().GetConstPool()->GetSize(); |
| 514 |
} else { |
| 515 |
assert (!"not implemented yet!"); |
| 516 |
} |
| 517 |
assert(!"verifier entered!!"); |
| 518 |
return (0); |
| 519 |
} |
| 520 |
|
| 521 |
|
| 522 |
/** |
| 523 |
* Function returns constant pool entry tag. |
| 524 |
* @param klass - class handler |
| 525 |
* @param index - constant pool entry index |
| 526 |
* @return constant pool entry tag |
| 527 |
* @note Assertion is raised if klass is equal to null or index is out of range. |
| 528 |
*/ |
| 529 |
extern "C" unsigned char |
| 530 |
class_cp_get_tag( class_handler klass, unsigned short index ) |
| 531 |
{ |
| 532 |
if (IS_CLASS_INSTRUMENTED(klass)) { |
| 533 |
return (*klass->X.instrumented_class->GetClassBuilder().GetConstPool())[index]->GetTag(); |
| 534 |
} else { |
| 535 |
assert (!"not implemented yet!"); |
| 536 |
} |
| 537 |
return (0); |
| 538 |
} |
| 539 |
|
| 540 |
/** |
| 541 |
* Function returns class name entry index in constant pool. |
| 542 |
* @param klass - class handler |
| 543 |
* @param index - constant pool entry index |
| 544 |
* @return class name entry index |
| 545 |
* @note Function is legal only for constant pool entry with CONSTANT_Class tags. |
| 546 |
* @note Assertion is raised if klass is equal to null or index is out of range. |
| 547 |
*/ |
| 548 |
extern "C" unsigned short |
| 549 |
class_cp_get_class_name_index( class_handler klass, unsigned short index ) |
| 550 |
{ |
| 551 |
if (IS_CLASS_INSTRUMENTED(klass)) { |
| 552 |
CCPInfo * ccinfo = (*klass->X.instrumented_class->GetClassBuilder().GetConstPool())[index]; |
| 553 |
assert(ccinfo->GetTag() == CONSTANT_Class); |
| 554 |
return ((CCPClassInfo *)ccinfo)->GetClassInd(); |
| 555 |
} else { |
| 556 |
assert (!"not implemented yet!"); |
| 557 |
} |
| 558 |
return (0); |
| 559 |
} |
| 560 |
|
| 561 |
/** |
| 562 |
* Function returns class name entry index in constant pool. |
| 563 |
* @param klass - class handler |
| 564 |
* @param index - constant pool entry index |
| 565 |
* @return class name entry index |
| 566 |
* @note Function is legal for constant pool entry with |
| 567 |
* CONSTANT_Fieldref, CONSTANT_Methodref and CONSTANT_InterfaceMethodref tags. |
| 568 |
* @note Assertion is raised if klass is equal to null or index is out of range. |
| 569 |
*/ |
| 570 |
extern "C" unsigned short |
| 571 |
class_cp_get_ref_class_index( class_handler klass, unsigned short index ) |
| 572 |
{ |
| 573 |
if (IS_CLASS_INSTRUMENTED(klass)) { |
| 574 |
CCPInfo * ccinfo = (*klass->X.instrumented_class->GetClassBuilder().GetConstPool())[index]; |
| 575 |
unsigned char tag = ccinfo->GetTag(); |
| 576 |
switch(tag) { |
| 577 |
case CONSTANT_Fieldref: |
| 578 |
return ((CCPFieldrefInfo *)ccinfo)->GetClassInd(); |
| 579 |
break; |
| 580 |
case CONSTANT_Methodref: |
| 581 |
return ((CCPMethodrefInfo *)ccinfo)->GetClassInd(); |
| 582 |
break; |
| 583 |
case CONSTANT_InterfaceMethodref: |
| 584 |
return ((CCPInterfaceMethodrefInfo *)ccinfo)->GetClassInd(); |
| 585 |
break; |
| 586 |
default: |
| 587 |
assert(!"unsupported tag"); |
| 588 |
} |
| 589 |
} else { |
| 590 |
assert (!"not implemented yet!"); |
| 591 |
} |
| 592 |
return (0); |
| 593 |
} |
| 594 |
|
| 595 |
/** |
| 596 |
* Function returns name_and_type entry index in constant pool. |
| 597 |
* @param klass - class handler |
| 598 |
* @param index - constant pool entry index |
| 599 |
* @return name_and_type entry index |
| 600 |
* @note Function is legal for constant pool entry with |
| 601 |
* CONSTANT_Fieldref, CONSTANT_Methodref and CONSTANT_InterfaceMethodref tags. |
| 602 |
* @note Assertion is raised if klass is equal to null or index is out of range. |
| 603 |
*/ |
| 604 |
extern "C" unsigned short |
| 605 |
class_cp_get_ref_name_and_type_index( class_handler klass, unsigned short index ) |
| 606 |
{ |
| 607 |
if (IS_CLASS_INSTRUMENTED(klass)) { |
| 608 |
CCPInfo * ccinfo = (*klass->X.instrumented_class->GetClassBuilder().GetConstPool())[index]; |
| 609 |
unsigned char tag = ccinfo->GetTag(); |
| 610 |
switch(tag) { |
| 611 |
case CONSTANT_Fieldref: |
| 612 |
return ((CCPFieldrefInfo *)ccinfo)->GetNameAndTypeInd(); |
| 613 |
break; |
| 614 |
case CONSTANT_Methodref: |
| 615 |
return ((CCPMethodrefInfo *)ccinfo)->GetNameAndTypeInd(); |
| 616 |
break; |
| 617 |
case CONSTANT_InterfaceMethodref: |
| 618 |
return ((CCPInterfaceMethodrefInfo *)ccinfo)->GetNameAndTypeInd(); |
| 619 |
break; |
| 620 |
default: |
| 621 |
assert(!"unsupported tag"); |
| 622 |
} |
| 623 |
} else { |
| 624 |
assert (!"not implemented yet!"); |
| 625 |
} |
| 626 |
return (0); |
| 627 |
} |
| 628 |
|
| 629 |
/** |
| 630 |
* Function returns string entry index in constant pool. |
| 631 |
* @param klass - class handler |
| 632 |
* @param index - constant pool entry index |
| 633 |
* @return string entry index |
| 634 |
* @note Function is legal for constant pool entry with CONSTANT_String tags. |
| 635 |
* @note Assertion is raised if klass is equal to null or index is out of range. |
| 636 |
*/ |
| 637 |
extern "C" unsigned short |
| 638 |
class_cp_get_string_index( class_handler klass, unsigned short index ) |
| 639 |
{ |
| 640 |
assert(!"verifier entered!!"); |
| 641 |
return (0); |
| 642 |
} |
| 643 |
|
| 644 |
/** |
| 645 |
* Function returns name entry index in constant pool. |
| 646 |
* @param klass - class handler |
| 647 |
* @param index - constant pool entry index |
| 648 |
* @return name entry index |
| 649 |
* @note Function is legal for constant pool entry with CONSTANT_NameAndType tags. |
| 650 |
* @note Assertion is raised if klass is equal to null or index is out of range. |
| 651 |
*/ |
| 652 |
extern "C" unsigned short |
| 653 |
class_cp_get_name_index( class_handler klass, unsigned short index ) |
| 654 |
{ |
| 655 |
if (IS_CLASS_INSTRUMENTED(klass)) { |
| 656 |
CCPInfo * ccinfo = (*klass->X.instrumented_class->GetClassBuilder().GetConstPool())[index]; |
| 657 |
unsigned char tag = ccinfo->GetTag(); |
| 658 |
assert(tag == CONSTANT_NameAndType); |
| 659 |
return ((CCPNameAndTypeInfo *)ccinfo)->GetNameInd(); |
| 660 |
} else { |
| 661 |
assert (!"not implemented yet!"); |
| 662 |
} |
| 663 |
return (0); |
| 664 |
} |
| 665 |
|
| 666 |
/** |
| 667 |
* Function returns descriptor entry index in constant pool. |
| 668 |
* @param klass - class handler |
| 669 |
* @param index - constant pool entry index |
| 670 |
* @return descriptor entry index |
| 671 |
* @note Function is legal for constant pool entry with CONSTANT_NameAndType tags. |
| 672 |
* @note Assertion is raised if klass is equal to null or index is out of range. |
| 673 |
*/ |
| 674 |
extern "C" unsigned short |
| 675 |
class_cp_get_descriptor_index( class_handler klass, unsigned short index ) |
| 676 |
{ |
| 677 |
if (IS_CLASS_INSTRUMENTED(klass)) { |
| 678 |
CCPInfo * ccinfo = (*klass->X.instrumented_class->GetClassBuilder().GetConstPool())[index]; |
| 679 |
unsigned char tag = ccinfo->GetTag(); |
| 680 |
assert(tag == CONSTANT_NameAndType); |
| 681 |
return ((CCPNameAndTypeInfo *)ccinfo)->GetDescriptorInd(); |
| 682 |
} else { |
| 683 |
assert (!"not implemented yet!"); |
| 684 |
} |
| 685 |
return (0); |
| 686 |
} |
| 687 |
|
| 688 |
/** |
| 689 |
* Function returns bytes for UTF8 constant pool entry. |
| 690 |
* @param klass - class handler |
| 691 |
* @param index - constant pool entry index |
| 692 |
* @return bytes for UTF8 constant pool entry |
| 693 |
* @note Function is legal for constant pool entry with CONSTANT_UTF8 tags. |
| 694 |
* @note Assertion is raised if klass is equal to null or index is out of range. |
| 695 |
*/ |
| 696 |
extern "C" const char * |
| 697 |
class_cp_get_utf8_bytes( class_handler klass, unsigned short index ) |
| 698 |
{ |
| 699 |
if (IS_CLASS_INSTRUMENTED(klass)) { |
| 700 |
return (const char *)((CCPUtf8Info *)(*klass->X.instrumented_class->GetClassBuilder().GetConstPool())[index])->GetBytes(); |
| 701 |
} else { |
| 702 |
assert (!"not implemented yet!"); |
| 703 |
} |
| 704 |
return (0); |
| 705 |
} |
| 706 |
|
| 707 |
/** |
| 708 |
* Function sets verify data to a given class. |
| 709 |
* @param klass - class handler |
| 710 |
* @param data - verify data |
| 711 |
* @note Assertion is raised if class is equal to null. |
| 712 |
* @note Function makes non thread save operation and |
| 713 |
* must be called in thread safe point. |
| 714 |
*/ |
| 715 |
extern "C" void |
| 716 |
class_set_verify_data_ptr( class_handler klass, void *data ) |
| 717 |
{ |
| 718 |
assert(!"verifier entered!!"); |
| 719 |
return; |
| 720 |
} |
| 721 |
|
| 722 |
/** |
| 723 |
* Function returns verify data for a given class. |
| 724 |
* @param klass - class handler |
| 725 |
* @return Verify data for a given class. |
| 726 |
* @note Assertion is raised if klass is equal to null. |
| 727 |
*/ |
| 728 |
extern "C" void * |
| 729 |
class_get_verify_data_ptr( class_handler klass ) |
| 730 |
{ |
| 731 |
assert(!"verifier entered!!"); |
| 732 |
return (NULL); |
| 733 |
} |
| 734 |
|
| 735 |
/** |
| 736 |
* Function resolves class nonstatic method for constant pool entry. |
| 737 |
* |
| 738 |
* @param klass - class handle |
| 739 |
* @param index - constant pool entry index |
| 740 |
* @param exc - pointer to exception |
| 741 |
* |
| 742 |
* @return Return nonstatic method resolved for constant pool entry. |
| 743 |
*/ |
| 744 |
extern "C" method_handler |
| 745 |
class_resolve_method( class_handler klass, unsigned short index ) |
| 746 |
{ |
| 747 |
assert(!"verifier entered!!"); |
| 748 |
return (NULL); |
| 749 |
} |
| 750 |
|
| 751 |
/** |
| 752 |
* Function resolves class nonstatic field for constant pool entry. |
| 753 |
* |
| 754 |
* @param klass - class handle |
| 755 |
* @param index - constant pool entry index |
| 756 |
* @param exc - pointer to exception |
| 757 |
* |
| 758 |
* @return Return nonstatic field resolved for constant pool entry. |
| 759 |
*/ |
| 760 |
extern "C" field_handler |
| 761 |
class_resolve_nonstatic_field( class_handler klass, unsigned short index ) |
| 762 |
{ |
| 763 |
assert(!"verifier entered!!"); |
| 764 |
return (NULL); |
| 765 |
} |
| 766 |
|
| 767 |
/** |
| 768 |
* Method interface |
| 769 |
*/ |
| 770 |
|
| 771 |
/** |
| 772 |
* Function returns a class in which the method is declared. |
| 773 |
* @param method - method handler |
| 774 |
* @return Return a class in which the method is declared. |
| 775 |
* @note Assertion is raised if <i>method</i> is equal to null. |
| 776 |
*/ |
| 777 |
extern "C" class_handler |
| 778 |
method_get_class( method_handler hmethod ) |
| 779 |
{ |
| 780 |
|
| 781 |
if (hmethod == NULL) return (NULL); |
| 782 |
else |
| 783 |
return hmethod->class_owner; |
| 784 |
#if 0 |
| 785 |
if (hmethod->magic == METHOD_HANDLER_SELF) { |
| 786 |
if (hmethod->X.instrumented_method) return (NULL); |
| 787 |
return (((CModuleJ *)hmethod->X.instrumented_method->GetModule())->GetClassHandler()); |
| 788 |
} |
| 789 |
else { |
| 790 |
assert(!"verifier entered!!"); |
| 791 |
} |
| 792 |
|
| 793 |
return (NULL); |
| 794 |
#endif |
| 795 |
} |
| 796 |
|
| 797 |
/** |
| 798 |
* Function returns method name. |
| 799 |
* @param method - method handler |
| 800 |
* @return Method name bytes. |
| 801 |
* @note Assertion is raised if method is equal to null. |
| 802 |
*/ |
| 803 |
extern "C" const char * |
| 804 |
method_get_name( method_handler method ) |
| 805 |
{ |
| 806 |
if (method->magic == METHOD_HANDLER_SELF) { |
| 807 |
return (method->X.instrumented_method->GetName()); |
| 808 |
} |
| 809 |
else { |
| 810 |
assert(!"verifier entered!!"); |
| 811 |
} |
| 812 |
return (NULL); |
| 813 |
} |
| 814 |
|
| 815 |
/** |
| 816 |
* Function returns method descriptor. |
| 817 |
* @param method - method handler |
| 818 |
* @return Method descriptor bytes. |
| 819 |
* @note Assertion is raised if method is equal to null. |
| 820 |
*/ |
| 821 |
extern "C" const char * |
| 822 |
method_get_descriptor( method_handler method ) |
| 823 |
{ |
| 824 |
if (method->magic == METHOD_HANDLER_SELF) { |
| 825 |
return (method->X.instrumented_method->GetSignature()); |
| 826 |
} |
| 827 |
else { |
| 828 |
assert(!"verifier entered!!"); |
| 829 |
} |
| 830 |
return (NULL); |
| 831 |
} |
| 832 |
|
| 833 |
/** |
| 834 |
* Function returns method code length. |
| 835 |
* @param method - method handler |
| 836 |
* @return Method code length. |
| 837 |
* @note Assertion is raised if method is equal to null. |
| 838 |
*/ |
| 839 |
extern "C" unsigned |
| 840 |
method_get_bytecode_length( method_handler method ) |
| 841 |
{ |
| 842 |
/*insert check about instrumentation*/ |
| 843 |
if (method->magic == METHOD_HANDLER_SELF) { |
| 844 |
unsigned size = 0; |
| 845 |
CInstructions::const_iterator insIterator; |
| 846 |
if (method->X.instrumented_method->GetCodeAttribute() == NULL) return (0); |
| 847 |
return (method->X.instrumented_method->GetCodeAttribute()->GetCodeLength()); |
| 848 |
} |
| 849 |
else { |
| 850 |
assert(!"verifier entered!!"); |
| 851 |
} |
| 852 |
return (0); |
| 853 |
} |
| 854 |
|
| 855 |
/** |
| 856 |
* Function returns method bytecode array. |
| 857 |
* @param method - method handler |
| 858 |
* @return Method bytecode array. |
| 859 |
* @note Assertion is raised if method is equal to null. |
| 860 |
*/ |
| 861 |
extern "C" unsigned char * |
| 862 |
method_get_bytecode( method_handler method ) |
| 863 |
{ |
| 864 |
if (method->magic == METHOD_HANDLER_SELF) { |
| 865 |
return (method->X.instrumented_method->GetCodeAttribute()->GetCode()); |
| 866 |
} |
| 867 |
else { |
| 868 |
assert(!"verifier entered!!"); |
| 869 |
} |
| 870 |
return (NULL); |
| 871 |
} |
| 872 |
|
| 873 |
/** |
| 874 |
* Function returns maximal local variables number of method. |
| 875 |
* @param method - method handler |
| 876 |
* @return Maximal local variables number of method. |
| 877 |
* @note Assertion is raised if method is equal to null. |
| 878 |
*/ |
| 879 |
extern "C" unsigned |
| 880 |
method_get_max_locals( method_handler method ) |
| 881 |
{ |
| 882 |
if (method->magic == METHOD_HANDLER_SELF) { |
| 883 |
/*XXX: add check for instrumented method*/ |
| 884 |
CMethodJ * jmethod = (CMethodJ *)(method->X.instrumented_method); |
| 885 |
return (jmethod->GetCodeAttribute()->GetMaxLocals()); |
| 886 |
} |
| 887 |
else { |
| 888 |
assert(!"verifier entered!!"); |
| 889 |
} |
| 890 |
return (0); |
| 891 |
|
| 892 |
} |
| 893 |
|
| 894 |
/** |
| 895 |
* Function returns maximal stack deep of method. |
| 896 |
* @param method - method handler |
| 897 |
* @return Maximal stack deep of method. |
| 898 |
* @note Assertion is raised if method is equal to null. |
| 899 |
*/ |
| 900 |
extern "C" unsigned |
| 901 |
method_get_max_stack( method_handler method ) |
| 902 |
{ |
| 903 |
if (method->magic == METHOD_HANDLER_SELF) { |
| 904 |
CMethodJ * jmethod = (CMethodJ *)(method->X.instrumented_method); |
| 905 |
return (jmethod->GetCodeAttribute()->GetMaxStack()); |
| 906 |
} |
| 907 |
else { |
| 908 |
assert(!"verifier entered!!"); |
| 909 |
} |
| 910 |
return (0); |
| 911 |
} |
| 912 |
|
| 913 |
/** |
| 914 |
* Function checks if method is static. |
| 915 |
* @param method - method handler |
| 916 |
* @return If method is static, function returns <code>true</code>, |
| 917 |
* else returns <code>false</code>. |
| 918 |
* @note Assertion is raised if method is equal to null. |
| 919 |
*/ |
| 920 |
extern "C" unsigned |
| 921 |
method_is_static( method_handler method ) |
| 922 |
{ |
| 923 |
if (method->magic == METHOD_HANDLER_SELF) { |
| 924 |
return (method->X.instrumented_method->GetAccessFlags() & ACC_STATIC); |
| 925 |
} |
| 926 |
else { |
| 927 |
//assert(!"verifier entered!!"); |
| 928 |
return (0); /*we're assuming that this function called after class_resolve_method and couldn't return static methods*/ |
| 929 |
} |
| 930 |
return (0); |
| 931 |
|
| 932 |
} |
| 933 |
|
| 934 |
/** |
| 935 |
* Function checks if a given method is protected. |
| 936 |
* |
| 937 |
* @param method - method handle |
| 938 |
* |
| 939 |
* @return Return <code>TRUE</code> if a given method is protected. |
| 940 |
* |
| 941 |
* @note Assertion is raised if <i>method</i> is equal to null. |
| 942 |
*/ |
| 943 |
extern "C" unsigned |
| 944 |
method_is_protected( method_handler method ) |
| 945 |
{ |
| 946 |
assert(!"verifier entered!!"); |
| 947 |
return (0); |
| 948 |
} |
| 949 |
|
| 950 |
/** |
| 951 |
* Method exception handler |
| 952 |
*/ |
| 953 |
|
| 954 |
/** |
| 955 |
* Function returns number of method exception handlers. |
| 956 |
* @param method - method handler |
| 957 |
* @return Number of method exception handlers. |
| 958 |
* @note Assertion is raised if method is equal to null. |
| 959 |
*/ |
| 960 |
extern "C" unsigned short |
| 961 |
method_get_exc_handler_number( method_handler method ) |
| 962 |
{ |
| 963 |
return (method->X.instrumented_method->GetExTable()->size()); |
| 964 |
} |
| 965 |
|
| 966 |
/** |
| 967 |
* Function obtains method exception handler info. |
| 968 |
* @param method - method handler |
| 969 |
* @param index - exception handler index number |
| 970 |
* @param start_pc - resulting pointer to exception handler start program count |
| 971 |
* @param end_pc - resulting pointer to exception handler end program count |
| 972 |
* @param handler_pc - resulting pointer to exception handler program count |
| 973 |
* @param catch_type - resulting pointer to constant pool entry index |
| 974 |
* @note Assertion is raised if method is equal to null or |
| 975 |
* exception handler index is out of range or |
| 976 |
* any pointer is equal to null. |
| 977 |
*/ |
| 978 |
extern "C" void |
| 979 |
method_get_exc_handler_info( method_handler method, unsigned short index, |
| 980 |
unsigned short *start_pc, unsigned short *end_pc, |
| 981 |
unsigned short *handler_pc, unsigned short *catch_type ) |
| 982 |
{ |
| 983 |
class CExTable& exc = method->X.instrumented_method->GetCodeAttribute()->GetExTable(); |
| 984 |
*start_pc = exc[index].GetStartPC(); |
| 985 |
*end_pc = exc[index].GetEndPC(); |
| 986 |
*handler_pc = exc[index].GetHandlerPC(); |
| 987 |
*catch_type = exc[index].GetCatchtype(); |
| 988 |
|
| 989 |
return; |
| 990 |
} |
| 991 |
|
| 992 |
/** |
| 993 |
* Gets number of exceptions a method can throw. |
| 994 |
* Parameter <i>hmethod</i> must not equal to <code>NULL</code>. |
| 995 |
* |
| 996 |
* @param hmethod method handle |
| 997 |
* |
| 998 |
* @return number of exceptions |
| 999 |
*/ |
| 1000 |
extern "C" unsigned short |
| 1001 |
method_get_number_exc_method_can_throw( method_handler hmethod ) |
| 1002 |
{ |
| 1003 |
assert(!"verifier entered!!"); |
| 1004 |
return (0); |
| 1005 |
} |
| 1006 |
|
| 1007 |
/** |
| 1008 |
* Gets name of exception a method can throw. |
| 1009 |
* Parameter <i>hmethod</i> must not equal to <code>NULL</code>. |
| 1010 |
* If parameter <i>index</i> is out of range, returns <code>NULL</code>. |
| 1011 |
* |
| 1012 |
* @param hmethod method handle |
| 1013 |
* @param index index of exception |
| 1014 |
* |
| 1015 |
* @return name of exception |
| 1016 |
*/ |
| 1017 |
extern "C" const char * |
| 1018 |
method_get_exc_method_can_throw( method_handler hmethod, unsigned short index ) |
| 1019 |
{ |
| 1020 |
assert(!"verifier entered!!"); |
| 1021 |
return (NULL); |
| 1022 |
} |
| 1023 |
|
| 1024 |
|
| 1025 |
/** |
| 1026 |
* Gets StackMapTable attribute. |
| 1027 |
* Parameter <i>hmethod</i> must not equal to <code>NULL</code>. |
| 1028 |
* If parameter <i>index</i> is out of range, returns <code>NULL</code>. |
| 1029 |
* |
| 1030 |
* @param hmethod method handle |
| 1031 |
* |
| 1032 |
* @return StackMapTable bytes |
| 1033 |
*/ |
| 1034 |
extern "C" unsigned char * |
| 1035 |
method_get_stackmaptable( method_handler hmethod ) |
| 1036 |
{ |
| 1037 |
|
| 1038 |
CStackMapTableAttribute *attr = hmethod->X.instrumented_method->GetCodeAttribute()->GetStackMaps(); |
| 1039 |
if (attr == NULL) |
| 1040 |
return (NULL); |
| 1041 |
u4 length = attr->GetLength(); |
| 1042 |
u1 *stackmap = (u1 *)malloc(length); |
| 1043 |
CJMemStream mem_stream; |
| 1044 |
mem_stream.Open(stackmap, length); |
| 1045 |
CJStream stream(&mem_stream); |
| 1046 |
attr->Write(stream); |
| 1047 |
//return (attr->GetInfo()); |
| 1048 |
return (stackmap); |
| 1049 |
} |
| 1050 |
|
| 1051 |
|
| 1052 |
//modifies start_pc, end_pc |
| 1053 |
extern "C" void |
| 1054 |
method_modify_exc_handler_info(method_handler method, |
| 1055 |
unsigned short idx, |
| 1056 |
unsigned short start_pc, |
| 1057 |
unsigned short end_pc, |
| 1058 |
unsigned short handler_pc, |
| 1059 |
unsigned short handler_cp_index ) |
| 1060 |
{ |
| 1061 |
|
| 1062 |
assert(!"verifier entered!!"); |
| 1063 |
return; |
| 1064 |
} |
| 1065 |
|
| 1066 |
// removes given exception handler (handlers with greater indexes shift) |
| 1067 |
extern "C" void |
| 1068 |
method_remove_exc_handler( method_handler method, unsigned short idx ) |
| 1069 |
{ |
| 1070 |
assert(!"verifier entered!!"); |
| 1071 |
return; |
| 1072 |
} |
| 1073 |
|
| 1074 |
/** |
| 1075 |
* Class loader interface |
| 1076 |
*/ |
| 1077 |
|
| 1078 |
/** |
| 1079 |
* Function sets verify data in class loader. |
| 1080 |
* @param classloader - class loader handler |
| 1081 |
* @param data - verify data |
| 1082 |
* @note Assertion is raised if classloader is equal to null. |
| 1083 |
* @note Function makes non thread save operation and |
| 1084 |
* must be called in thread safe point. |
| 1085 |
*/ |
| 1086 |
extern "C" void |
| 1087 |
class_loader_set_verifier_data_ptr( classloader_handler classloader, void *data ) |
| 1088 |
{ |
| 1089 |
assert(!"verifier entered!!"); |
| 1090 |
return; |
| 1091 |
} |
| 1092 |
|
| 1093 |
/** |
| 1094 |
* Function returns verify data in class loader. |
| 1095 |
* @param classloader - class loader handler |
| 1096 |
* @return Verify data in class loader. |
| 1097 |
* @note Assertion is raised if classloader is equal to null. |
| 1098 |
*/ |
| 1099 |
extern "C" void * |
| 1100 |
class_loader_get_verifier_data_ptr( classloader_handler classloader ) |
| 1101 |
{ |
| 1102 |
assert(!"verifier entered!!"); |
| 1103 |
return (NULL); |
| 1104 |
} |
| 1105 |
|
| 1106 |
/** |
| 1107 |
* Function locks class loader. |
| 1108 |
* @param classloader - class loader handler |
| 1109 |
* @note Assertion is raised if classloader is equal to null. |
| 1110 |
*/ |
| 1111 |
extern "C" void |
| 1112 |
class_loader_lock( classloader_handler classloader ) |
| 1113 |
{ |
| 1114 |
assert(!"verifier entered!!"); |
| 1115 |
return; |
| 1116 |
} |
| 1117 |
|
| 1118 |
/** |
| 1119 |
* Function releases class loader. |
| 1120 |
* @param classloader - class loader handler |
| 1121 |
* @note Assertion is raised if classloader is equal to null. |
| 1122 |
*/ |
| 1123 |
extern "C" void |
| 1124 |
class_loader_unlock( classloader_handler classloader ) |
| 1125 |
{ |
| 1126 |
assert(!"verifier entered!!"); |
| 1127 |
return; |
| 1128 |
} |
| 1129 |
|
| 1130 |
/** |
| 1131 |
* Function returns loaded class in class loader. |
| 1132 |
* @param classloader - class loader handler |
| 1133 |
* @param name - class name |
| 1134 |
* @return Loaded class in classloader or null if class isn't loaded in class loader. |
| 1135 |
* @note Assertion is raised if classloader or name are equal to null. |
| 1136 |
*/ |
| 1137 |
extern "C" class_handler |
| 1138 |
class_loader_lookup_class( classloader_handler classloader, const char *name ) |
| 1139 |
{ |
| 1140 |
if (m_name2ch[name] != NULL && IS_CLASS_INSTRUMENTED(m_name2ch[name])) |
| 1141 |
return (m_name2ch[name]); |
| 1142 |
else |
| 1143 |
return (NULL); |
| 1144 |
} |
| 1145 |
|
| 1146 |
/** |
| 1147 |
* Function returns loaded class in class loader. |
| 1148 |
* @param classloader - class loader handler |
| 1149 |
* @param name - class name |
| 1150 |
* @return Loaded class in classloader if class isn't loaded in class loader |
| 1151 |
* function loads it. |
| 1152 |
* @note Assertion is raised if classloader or name are equal to null. |
| 1153 |
*/ |
| 1154 |
extern "C" class_handler |
| 1155 |
class_loader_load_class( classloader_handler classloader, const char *name ) |
| 1156 |
{ |
| 1157 |
assert(!"verifier entered!!"); |
| 1158 |
return (NULL); |
| 1159 |
} |
| 1160 |
|
| 1161 |
/** |
| 1162 |
* Function checks if the field is protected. |
| 1163 |
* @param field - field handler |
| 1164 |
* @return Returns <code>TRUE</code> if the field is protected. |
| 1165 |
*/ |
| 1166 |
extern "C" unsigned |
| 1167 |
field_is_protected( field_handler field ) |
| 1168 |
{ |
| 1169 |
assert(!"verifier entered!!"); |
| 1170 |
return (0); |
| 1171 |
} |
| 1172 |
|
| 1173 |
class_handler |
| 1174 |
get_class_handler_from_builder(class CModuleJ *module) |
| 1175 |
{ |
| 1176 |
class_handler ch; |
| 1177 |
|
| 1178 |
m_name2ch.clear(); |
| 1179 |
int status = create_class_handler(&m_j_l_object_ch, CLASS_HANDLER_SIMPLEFIED, "java/lang/Object", 0, NULL); |
| 1180 |
assert(!status); |
| 1181 |
|
| 1182 |
status = create_class_handler(&ch, CLASS_HANDLER_INSTRUMENTED, module->GetName(), 1, module); |
| 1183 |
assert(!status); |
| 1184 |
return (ch); |
| 1185 |
} |
| 1186 |
|
| 1187 |
method_handler |
| 1188 |
get_method_handler_for_cmethod(class CMethod *method) |
| 1189 |
{ |
| 1190 |
class_handler ch = NULL; |
| 1191 |
method_handler mh = NULL; |
| 1192 |
int status; |
| 1193 |
status = create_class_handler(&ch, CLASS_HANDLER_INSTRUMENTED, (const char *)method->GetModule()->GetName(), 1, method->GetModule()); |
| 1194 |
assert(!status); |
| 1195 |
status = create_method_handler(&mh, ch, METHOD_HANDLER_SELF, method); |
| 1196 |
assert(!status); |
| 1197 |
return (mh); |
| 1198 |
} |
| 1199 |
|
| 1200 |
extern "C" unsigned short |
| 1201 |
class_cp_get_class_entry(class_handler klass, const char* name) |
| 1202 |
{ |
| 1203 |
|
| 1204 |
|
| 1205 |
CCPClassInfo *cinfo; |
| 1206 |
if (IS_CLASS_INSTRUMENTED(klass)) { |
| 1207 |
/*for this class we'll have entry somewhere in some future */ |
| 1208 |
if (strcmp(klass->X.instrumented_class->GetName(), name) == 0) { |
| 1209 |
return (klass->X.instrumented_class->GetClass().GetThisClass()); |
| 1210 |
} |
| 1211 |
assert(name); |
| 1212 |
cinfo = (klass->X.instrumented_class->GetClassBuilder().FindClass(name)); |
| 1213 |
if (cinfo == NULL) { |
| 1214 |
/*should be created new class antry */ |
| 1215 |
cinfo = *klass->X.instrumented_class->GetClassBuilder().CreateClassConstant(name); |
| 1216 |
assert(cinfo); |
| 1217 |
} |
| 1218 |
return(cinfo->GetCpIndex()); |
| 1219 |
} else { |
| 1220 |
assert (!"not implemented yet!"); |
| 1221 |
} |
| 1222 |
return (0); |
| 1223 |
} |
| 1224 |
|
| 1225 |
int |
| 1226 |
initialize_dynamic(get_vm_pointer_t a_get_vm_pointer) |
| 1227 |
{ |
| 1228 |
m_get_vm_pointer = (JNIEnv *(*)(void **))a_get_vm_pointer; |
| 1229 |
JNIEnv *env; |
| 1230 |
env = m_get_vm_pointer((void **)&env); |
| 1231 |
assert(env); |
| 1232 |
if (m_j_l_class) return (0); |
| 1233 |
|
| 1234 |
m_j_l_class = env->FindClass("java/lang/Class"); |
| 1235 |
assert(m_j_l_class); |
| 1236 |
m_j_l_class_getName = env->GetMethodID(m_j_l_class, "getName", "()Ljava/lang/String;"); |
| 1237 |
assert(m_j_l_class_getName); |
| 1238 |
m_j_l_class_getClassLoader = env->GetMethodID(m_j_l_class, "getClassLoader", "()Ljava/lang/ClassLoader;"); |
| 1239 |
assert(m_j_l_class_getClassLoader); |
| 1240 |
m_j_l_class_isInterface = env->GetMethodID(m_j_l_class, "isInterface", "()Z"); |
| 1241 |
assert(m_j_l_class_isInterface); |
| 1242 |
|
| 1243 |
m_j_l_classloader = env->FindClass("java/lang/ClassLoader"); |
| 1244 |
assert(m_j_l_classloader); |
| 1245 |
m_j_l_classloader_findLoadedClass = env->GetMethodID(m_j_l_classloader, "findLoadedClass", "(Ljava/lang/String;)Ljava/lang/Class;"); |
| 1246 |
assert(m_j_l_classloader_findLoadedClass); |
| 1247 |
|
| 1248 |
return (0); |
| 1249 |
} |
| 1250 |
|
