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Added
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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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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 *simplified_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.simplified_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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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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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.simplified_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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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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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.simplified_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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jobject super_class_ref = env->NewGlobalRef(super_class); |
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env->DeleteLocalRef(super_class); |
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int status = create_class_handler(&ch, CLASS_HANDLER_SIMPLEFIED, super_class_name, loaded, super_class_ref); |
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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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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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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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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.simplified_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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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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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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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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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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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); |
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} |
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|
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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 ) |
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{ |
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return (NULL); |
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} |
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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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{ |
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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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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); |
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} |
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|
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|
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/** |
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* Constant pool inteface |
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*/ |
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|
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extern "C" unsigned short |
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class_cp_get_size( class_handler klass ) |
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{ |
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assert(klass); |
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if (IS_CLASS_INSTRUMENTED(klass)) { |
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assert(klass->X.instrumented_class); |
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assert(klass->X.instrumented_class->GetClassBuilder().GetConstPool()); |
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return klass->X.instrumented_class->GetClassBuilder().GetConstPool()->GetSize(); |
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} else { |
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assert (!"not implemented yet!"); |
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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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extern "C" unsigned char |
| 420 |
class_cp_get_tag( class_handler klass, unsigned short index ) |
| 421 |
{ |
| 422 |
if (IS_CLASS_INSTRUMENTED(klass)) { |
| 423 |
return (*klass->X.instrumented_class->GetClassBuilder().GetConstPool())[index]->GetTag(); |
| 424 |
} else { |
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assert (!"not implemented yet!"); |
| 426 |
} |
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return (0); |
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} |
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|
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extern "C" unsigned short |
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class_cp_get_class_name_index( class_handler klass, unsigned short index ) |
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{ |
| 433 |
if (IS_CLASS_INSTRUMENTED(klass)) { |
| 434 |
CCPInfo * ccinfo = (*klass->X.instrumented_class->GetClassBuilder().GetConstPool())[index]; |
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assert(ccinfo->GetTag() == CONSTANT_Class); |
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return ((CCPClassInfo *)ccinfo)->GetClassInd(); |
| 437 |
} else { |
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assert (!"not implemented yet!"); |
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} |
| 440 |
return (0); |
| 441 |
} |
| 442 |
|
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extern "C" unsigned short |
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class_cp_get_ref_class_index( class_handler klass, unsigned short index ) |
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{ |
| 446 |
if (IS_CLASS_INSTRUMENTED(klass)) { |
| 447 |
CCPInfo * ccinfo = (*klass->X.instrumented_class->GetClassBuilder().GetConstPool())[index]; |
| 448 |
unsigned char tag = ccinfo->GetTag(); |
| 449 |
switch(tag) { |
| 450 |
case CONSTANT_Fieldref: |
| 451 |
return ((CCPFieldrefInfo *)ccinfo)->GetClassInd(); |
| 452 |
break; |
| 453 |
case CONSTANT_Methodref: |
| 454 |
return ((CCPMethodrefInfo *)ccinfo)->GetClassInd(); |
| 455 |
break; |
| 456 |
case CONSTANT_InterfaceMethodref: |
| 457 |
return ((CCPInterfaceMethodrefInfo *)ccinfo)->GetClassInd(); |
| 458 |
break; |
| 459 |
default: |
| 460 |
assert(!"unsupported tag"); |
| 461 |
} |
| 462 |
} else { |
| 463 |
assert (!"not implemented yet!"); |
| 464 |
} |
| 465 |
return (0); |
| 466 |
} |
| 467 |
|
| 468 |
extern "C" unsigned short |
| 469 |
class_cp_get_ref_name_and_type_index( class_handler klass, unsigned short index ) |
| 470 |
{ |
| 471 |
if (IS_CLASS_INSTRUMENTED(klass)) { |
| 472 |
CCPInfo * ccinfo = (*klass->X.instrumented_class->GetClassBuilder().GetConstPool())[index]; |
| 473 |
unsigned char tag = ccinfo->GetTag(); |
| 474 |
switch(tag) { |
| 475 |
case CONSTANT_Fieldref: |
| 476 |
return ((CCPFieldrefInfo *)ccinfo)->GetNameAndTypeInd(); |
| 477 |
break; |
| 478 |
case CONSTANT_Methodref: |
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return ((CCPMethodrefInfo *)ccinfo)->GetNameAndTypeInd(); |
| 480 |
break; |
| 481 |
case CONSTANT_InterfaceMethodref: |
| 482 |
return ((CCPInterfaceMethodrefInfo *)ccinfo)->GetNameAndTypeInd(); |
| 483 |
break; |
| 484 |
default: |
| 485 |
assert(!"unsupported tag"); |
| 486 |
} |
| 487 |
} else { |
| 488 |
assert (!"not implemented yet!"); |
| 489 |
} |
| 490 |
return (0); |
| 491 |
} |
| 492 |
|
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extern "C" unsigned short |
| 494 |
class_cp_get_string_index( class_handler klass, unsigned short index ) |
| 495 |
{ |
| 496 |
assert(!"verifier entered!!"); |
| 497 |
return (0); |
| 498 |
} |
| 499 |
|
| 500 |
extern "C" unsigned short |
| 501 |
class_cp_get_name_index( class_handler klass, unsigned short index ) |
| 502 |
{ |
| 503 |
if (IS_CLASS_INSTRUMENTED(klass)) { |
| 504 |
CCPInfo * ccinfo = (*klass->X.instrumented_class->GetClassBuilder().GetConstPool())[index]; |
| 505 |
unsigned char tag = ccinfo->GetTag(); |
| 506 |
assert(tag == CONSTANT_NameAndType); |
| 507 |
return ((CCPNameAndTypeInfo *)ccinfo)->GetNameInd(); |
| 508 |
} else { |
| 509 |
assert (!"not implemented yet!"); |
| 510 |
} |
| 511 |
return (0); |
| 512 |
} |
| 513 |
|
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extern "C" unsigned short |
| 515 |
class_cp_get_descriptor_index( class_handler klass, unsigned short index ) |
| 516 |
{ |
| 517 |
if (IS_CLASS_INSTRUMENTED(klass)) { |
| 518 |
CCPInfo * ccinfo = (*klass->X.instrumented_class->GetClassBuilder().GetConstPool())[index]; |
| 519 |
unsigned char tag = ccinfo->GetTag(); |
| 520 |
assert(tag == CONSTANT_NameAndType); |
| 521 |
return ((CCPNameAndTypeInfo *)ccinfo)->GetDescriptorInd(); |
| 522 |
} else { |
| 523 |
assert (!"not implemented yet!"); |
| 524 |
} |
| 525 |
return (0); |
| 526 |
} |
| 527 |
|
| 528 |
extern "C" const char * |
| 529 |
class_cp_get_utf8_bytes( class_handler klass, unsigned short index ) |
| 530 |
{ |
| 531 |
if (IS_CLASS_INSTRUMENTED(klass)) { |
| 532 |
return (const char *)((CCPUtf8Info *)(*klass->X.instrumented_class->GetClassBuilder().GetConstPool())[index])->GetBytes(); |
| 533 |
} else { |
| 534 |
assert (!"not implemented yet!"); |
| 535 |
} |
| 536 |
return (0); |
| 537 |
} |
| 538 |
|
| 539 |
extern "C" void |
| 540 |
class_set_verify_data_ptr( class_handler klass, void *data ) |
| 541 |
{ |
| 542 |
assert(!"verifier entered!!"); |
| 543 |
return; |
| 544 |
} |
| 545 |
|
| 546 |
extern "C" void * |
| 547 |
class_get_verify_data_ptr( class_handler klass ) |
| 548 |
{ |
| 549 |
assert(!"verifier entered!!"); |
| 550 |
return (NULL); |
| 551 |
} |
| 552 |
|
| 553 |
extern "C" method_handler |
| 554 |
class_resolve_method( class_handler klass, unsigned short index ) |
| 555 |
{ |
| 556 |
assert(!"verifier entered!!"); |
| 557 |
return (NULL); |
| 558 |
} |
| 559 |
|
| 560 |
extern "C" field_handler |
| 561 |
class_resolve_nonstatic_field( class_handler klass, unsigned short index ) |
| 562 |
{ |
| 563 |
assert(!"verifier entered!!"); |
| 564 |
return (NULL); |
| 565 |
} |
| 566 |
|
| 567 |
/** |
| 568 |
* Method interface |
| 569 |
*/ |
| 570 |
|
| 571 |
extern "C" class_handler |
| 572 |
method_get_class( method_handler hmethod ) |
| 573 |
{ |
| 574 |
assert(hmethod); |
| 575 |
return hmethod->class_owner; |
| 576 |
} |
| 577 |
|
| 578 |
extern "C" const char * |
| 579 |
method_get_name( method_handler method ) |
| 580 |
{ |
| 581 |
if (method->magic == METHOD_HANDLER_SELF) { |
| 582 |
return (method->X.instrumented_method->GetName()); |
| 583 |
} |
| 584 |
else { |
| 585 |
assert(!"verifier entered!!"); |
| 586 |
} |
| 587 |
return (NULL); |
| 588 |
} |
| 589 |
|
| 590 |
extern "C" const char * |
| 591 |
method_get_descriptor( method_handler method ) |
| 592 |
{ |
| 593 |
if (method->magic == METHOD_HANDLER_SELF) { |
| 594 |
return (method->X.instrumented_method->GetSignature()); |
| 595 |
} |
| 596 |
else { |
| 597 |
assert(!"verifier entered!!"); |
| 598 |
} |
| 599 |
return (NULL); |
| 600 |
} |
| 601 |
|
| 602 |
extern "C" unsigned |
| 603 |
method_get_bytecode_length( method_handler method ) |
| 604 |
{ |
| 605 |
/*insert check about instrumentation*/ |
| 606 |
if (method->magic == METHOD_HANDLER_SELF) { |
| 607 |
unsigned size = 0; |
| 608 |
CInstructions::const_iterator insIterator; |
| 609 |
if (method->X.instrumented_method->GetCodeAttribute() == NULL) return (0); |
| 610 |
return (method->X.instrumented_method->GetCodeAttribute()->GetCodeLength()); |
| 611 |
} |
| 612 |
else { |
| 613 |
assert(!"verifier entered!!"); |
| 614 |
} |
| 615 |
return (0); |
| 616 |
} |
| 617 |
|
| 618 |
extern "C" unsigned char * |
| 619 |
method_get_bytecode( method_handler method ) |
| 620 |
{ |
| 621 |
if (method->magic == METHOD_HANDLER_SELF) { |
| 622 |
return (method->X.instrumented_method->GetCodeAttribute()->GetCode()); |
| 623 |
} |
| 624 |
else { |
| 625 |
assert(!"verifier entered!!"); |
| 626 |
} |
| 627 |
return (NULL); |
| 628 |
} |
| 629 |
|
| 630 |
extern "C" unsigned |
| 631 |
method_get_max_locals( method_handler method ) |
| 632 |
{ |
| 633 |
if (method->magic == METHOD_HANDLER_SELF) { |
| 634 |
/*XXX: add check for instrumented method*/ |
| 635 |
CMethodJ * jmethod = (CMethodJ *)(method->X.instrumented_method); |
| 636 |
return (jmethod->GetCodeAttribute()->GetMaxLocals()); |
| 637 |
} |
| 638 |
else { |
| 639 |
assert(!"verifier entered!!"); |
| 640 |
} |
| 641 |
return (0); |
| 642 |
|
| 643 |
} |
| 644 |
|
| 645 |
extern "C" unsigned |
| 646 |
method_get_max_stack( method_handler method ) |
| 647 |
{ |
| 648 |
if (method->magic == METHOD_HANDLER_SELF) { |
| 649 |
CMethodJ * jmethod = (CMethodJ *)(method->X.instrumented_method); |
| 650 |
return (jmethod->GetCodeAttribute()->GetMaxStack()); |
| 651 |
} |
| 652 |
else { |
| 653 |
assert(!"verifier entered!!"); |
| 654 |
} |
| 655 |
return (0); |
| 656 |
} |
| 657 |
|
| 658 |
extern "C" unsigned |
| 659 |
method_is_static( method_handler method ) |
| 660 |
{ |
| 661 |
if (method->magic == METHOD_HANDLER_SELF) { |
| 662 |
return (method->X.instrumented_method->GetAccessFlags() & ACC_STATIC); |
| 663 |
} |
| 664 |
else { |
| 665 |
//assert(!"verifier entered!!"); |
| 666 |
return (0); /*we're assuming that this function called after class_resolve_method and couldn't return static methods*/ |
| 667 |
} |
| 668 |
return (0); |
| 669 |
|
| 670 |
} |
| 671 |
|
| 672 |
extern "C" unsigned |
| 673 |
method_is_protected( method_handler method ) |
| 674 |
{ |
| 675 |
assert(!"verifier entered!!"); |
| 676 |
return (0); |
| 677 |
} |
| 678 |
|
| 679 |
/** |
| 680 |
* Method exception handler |
| 681 |
*/ |
| 682 |
|
| 683 |
extern "C" unsigned short |
| 684 |
method_get_exc_handler_number( method_handler method ) |
| 685 |
{ |
| 686 |
return (method->X.instrumented_method->GetExTable()->size()); |
| 687 |
} |
| 688 |
|
| 689 |
extern "C" void |
| 690 |
method_get_exc_handler_info( method_handler method, unsigned short index, |
| 691 |
unsigned short *start_pc, unsigned short *end_pc, |
| 692 |
unsigned short *handler_pc, unsigned short *catch_type ) |
| 693 |
{ |
| 694 |
class CExTable& exc = method->X.instrumented_method->GetCodeAttribute()->GetExTable(); |
| 695 |
*start_pc = exc[index].GetStartPC(); |
| 696 |
*end_pc = exc[index].GetEndPC(); |
| 697 |
*handler_pc = exc[index].GetHandlerPC(); |
| 698 |
*catch_type = exc[index].GetCatchtype(); |
| 699 |
|
| 700 |
return; |
| 701 |
} |
| 702 |
|
| 703 |
extern "C" unsigned short |
| 704 |
method_get_number_exc_method_can_throw( method_handler hmethod ) |
| 705 |
{ |
| 706 |
assert(!"verifier entered!!"); |
| 707 |
return (0); |
| 708 |
} |
| 709 |
|
| 710 |
extern "C" const char * |
| 711 |
method_get_exc_method_can_throw( method_handler hmethod, unsigned short index ) |
| 712 |
{ |
| 713 |
assert(!"verifier entered!!"); |
| 714 |
return (NULL); |
| 715 |
} |
| 716 |
|
| 717 |
|
| 718 |
extern "C" unsigned char * |
| 719 |
method_get_stackmaptable( method_handler hmethod ) |
| 720 |
{ |
| 721 |
|
| 722 |
CStackMapTableAttribute *attr = hmethod->X.instrumented_method->GetCodeAttribute()->GetStackMaps(); |
| 723 |
if (attr == NULL) |
| 724 |
return (NULL); |
| 725 |
u4 length = attr->GetLength(); |
| 726 |
u1 *stackmap = (u1 *)malloc(length); |
| 727 |
CJMemStream mem_stream; |
| 728 |
mem_stream.Open(stackmap, length); |
| 729 |
CJStream stream(&mem_stream); |
| 730 |
attr->Write(stream); |
| 731 |
//return (attr->GetInfo()); |
| 732 |
return (stackmap); |
| 733 |
} |
| 734 |
|
| 735 |
extern "C" void |
| 736 |
method_modify_exc_handler_info(method_handler method, |
| 737 |
unsigned short idx, |
| 738 |
unsigned short start_pc, |
| 739 |
unsigned short end_pc, |
| 740 |
unsigned short handler_pc, |
| 741 |
unsigned short handler_cp_index ) |
| 742 |
{ |
| 743 |
|
| 744 |
class CExTable& exc = method->X.instrumented_method->GetCodeAttribute()->GetExTable(); |
| 745 |
exc[idx].SetStartPC(start_pc); |
| 746 |
exc[idx].SetEndPC(end_pc); |
| 747 |
exc[idx].SetHandlerPC(handler_pc); |
| 748 |
return; |
| 749 |
} |
| 750 |
|
| 751 |
extern "C" void |
| 752 |
method_remove_exc_handler( method_handler method, unsigned short idx ) |
| 753 |
{ |
| 754 |
assert(!"verifier entered!!"); |
| 755 |
return; |
| 756 |
} |
| 757 |
|
| 758 |
/** |
| 759 |
* Class loader interface |
| 760 |
*/ |
| 761 |
|
| 762 |
extern "C" void |
| 763 |
class_loader_set_verifier_data_ptr( classloader_handler classloader, void *data ) |
| 764 |
{ |
| 765 |
assert(!"verifier entered!!"); |
| 766 |
return; |
| 767 |
} |
| 768 |
|
| 769 |
extern "C" void * |
| 770 |
class_loader_get_verifier_data_ptr( classloader_handler classloader ) |
| 771 |
{ |
| 772 |
assert(!"verifier entered!!"); |
| 773 |
return (NULL); |
| 774 |
} |
| 775 |
|
| 776 |
extern "C" void |
| 777 |
class_loader_lock( classloader_handler classloader ) |
| 778 |
{ |
| 779 |
assert(!"verifier entered!!"); |
| 780 |
return; |
| 781 |
} |
| 782 |
|
| 783 |
extern "C" void |
| 784 |
class_loader_unlock( classloader_handler classloader ) |
| 785 |
{ |
| 786 |
assert(!"verifier entered!!"); |
| 787 |
return; |
| 788 |
} |
| 789 |
|
| 790 |
extern "C" class_handler |
| 791 |
class_loader_lookup_class( classloader_handler classloader, const char *name ) |
| 792 |
{ |
| 793 |
if (m_name2ch[name] != NULL && IS_CLASS_INSTRUMENTED(m_name2ch[name])) |
| 794 |
return (m_name2ch[name]); |
| 795 |
else |
| 796 |
return (NULL); |
| 797 |
} |
| 798 |
|
| 799 |
extern "C" class_handler |
| 800 |
class_loader_load_class( classloader_handler classloader, const char *name ) |
| 801 |
{ |
| 802 |
assert(!"verifier entered!!"); |
| 803 |
return (NULL); |
| 804 |
} |
| 805 |
|
| 806 |
extern "C" unsigned |
| 807 |
field_is_protected( field_handler field ) |
| 808 |
{ |
| 809 |
assert(!"verifier entered!!"); |
| 810 |
return (0); |
| 811 |
} |
| 812 |
|
| 813 |
class_handler |
| 814 |
get_class_handler_from_builder(class CModuleJ *module) |
| 815 |
{ |
| 816 |
class_handler ch; |
| 817 |
|
| 818 |
m_name2ch.clear(); |
| 819 |
int status = create_class_handler(&m_j_l_object_ch, CLASS_HANDLER_SIMPLEFIED, "java/lang/Object", 0, NULL); |
| 820 |
assert(!status); |
| 821 |
|
| 822 |
status = create_class_handler(&ch, CLASS_HANDLER_INSTRUMENTED, module->GetName(), 1, module); |
| 823 |
assert(!status); |
| 824 |
return (ch); |
| 825 |
} |
| 826 |
|
| 827 |
method_handler |
| 828 |
get_method_handler_for_cmethod(class CMethod *method) |
| 829 |
{ |
| 830 |
class_handler ch = NULL; |
| 831 |
method_handler mh = NULL; |
| 832 |
int status; |
| 833 |
status = create_class_handler(&ch, CLASS_HANDLER_INSTRUMENTED, (const char *)method->GetModule()->GetName(), 1, method->GetModule()); |
| 834 |
assert(!status); |
| 835 |
status = create_method_handler(&mh, ch, METHOD_HANDLER_SELF, method); |
| 836 |
assert(!status); |
| 837 |
return (mh); |
| 838 |
} |
| 839 |
|
| 840 |
extern "C" unsigned short |
| 841 |
class_cp_get_class_entry(class_handler klass, const char* name) |
| 842 |
{ |
| 843 |
|
| 844 |
|
| 845 |
CCPClassInfo *cinfo; |
| 846 |
if (IS_CLASS_INSTRUMENTED(klass)) { |
| 847 |
/*for this class we'll have entry somewhere in some future */ |
| 848 |
if (strcmp(klass->X.instrumented_class->GetName(), name) == 0) { |
| 849 |
return (klass->X.instrumented_class->GetClass().GetThisClass()); |
| 850 |
} |
| 851 |
assert(name); |
| 852 |
cinfo = (klass->X.instrumented_class->GetClassBuilder().FindClass(name)); |
| 853 |
if (cinfo == NULL) { |
| 854 |
/*should be created new class antry */ |
| 855 |
cinfo = *klass->X.instrumented_class->GetClassBuilder().CreateClassConstant(name); |
| 856 |
assert(cinfo); |
| 857 |
} |
| 858 |
return(cinfo->GetCpIndex()); |
| 859 |
} else { |
| 860 |
assert (!"not implemented yet!"); |
| 861 |
} |
| 862 |
return (0); |
| 863 |
} |
| 864 |
|
| 865 |
int |
| 866 |
initialize_dynamic(get_vm_pointer_t a_get_vm_pointer) |
| 867 |
{ |
| 868 |
m_get_vm_pointer = (JNIEnv *(*)(void **))a_get_vm_pointer; |
| 869 |
JNIEnv *env; |
| 870 |
|
| 871 |
env = m_get_vm_pointer((void **)&env); |
| 872 |
assert(env); |
| 873 |
|
| 874 |
if (m_j_l_class) return (0); |
| 875 |
|
| 876 |
m_j_l_class = (jclass)env->NewGlobalRef(env->FindClass("java/lang/Class")); |
| 877 |
assert(m_j_l_class); |
| 878 |
|
| 879 |
m_j_l_class_getName = env->GetMethodID(m_j_l_class, "getName", "()Ljava/lang/String;"); |
| 880 |
assert(m_j_l_class_getName); |
| 881 |
|
| 882 |
m_j_l_class_getClassLoader = env->GetMethodID(m_j_l_class, "getClassLoader", "()Ljava/lang/ClassLoader;"); |
| 883 |
assert(m_j_l_class_getClassLoader); |
| 884 |
|
| 885 |
m_j_l_class_isInterface = env->GetMethodID(m_j_l_class, "isInterface", "()Z"); |
| 886 |
assert(m_j_l_class_isInterface); |
| 887 |
|
| 888 |
m_j_l_classloader = (jclass)env->NewGlobalRef(env->FindClass("java/lang/ClassLoader")); |
| 889 |
assert(m_j_l_classloader); |
| 890 |
|
| 891 |
m_j_l_classloader_findLoadedClass = env->GetMethodID(m_j_l_classloader, "findLoadedClass", "(Ljava/lang/String;)Ljava/lang/Class;"); |
| 892 |
assert(m_j_l_classloader_findLoadedClass); |
| 893 |
|
| 894 |
return (0); |
| 895 |
} |
| 896 |
|
| 897 |
void |
| 898 |
class_destroy_handler(class_handler ch) |
| 899 |
{ |
| 900 |
if (ch == NULL) return; |
| 901 |
if (!IS_CLASS_INSTRUMENTED(ch) && ch->loaded == 1) { |
| 902 |
JNIEnv *env; |
| 903 |
env = m_get_vm_pointer((void **)&env); |
| 904 |
assert(env); |
| 905 |
env->DeleteGlobalRef((jobject)ch->X.simplified_class); |
| 906 |
|
| 907 |
} |
| 908 |
free(ch); |
| 909 |
ch = NULL; |
| 910 |
} |
