1 /* nat/VMThrowable.c - java/lang/Throwable
3 Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003
4 R. Grafl, A. Krall, C. Kruegel, C. Oates, R. Obermaisser,
5 M. Probst, S. Ring, E. Steiner, C. Thalinger, D. Thuernbeck,
6 P. Tomsich, J. Wenninger
8 This file is part of CACAO.
10 This program is free software; you can redistribute it and/or
11 modify it under the terms of the GNU General Public License as
12 published by the Free Software Foundation; either version 2, or (at
13 your option) any later version.
15 This program is distributed in the hope that it will be useful, but
16 WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 General Public License for more details.
20 You should have received a copy of the GNU General Public License
21 along with this program; if not, write to the Free Software
22 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
25 Contact: cacao@complang.tuwien.ac.at
27 Authors: Joseph Wenninger
29 $Id: VMThrowable.c 973 2004-03-25 15:19:16Z twisti $
41 #include "java_lang_Throwable.h"
42 #include "java_lang_VMThrowable.h"
46 * Class: java/lang/VMThrowable
47 * Method: fillInStackTrace
48 * Signature: (Ljava/lang/Throwable;)Ljava/lang/VMThrowable;
50 JNIEXPORT java_lang_VMThrowable* JNICALL Java_java_lang_VMThrowable_fillInStackTrace(JNIEnv *env, jclass clazz, java_lang_Throwable *par1)
52 classinfo *class_java_lang_VMThrowable = NULL;
53 java_lang_VMThrowable *vmthrow;
55 if (!class_java_lang_VMThrowable)
56 class_java_lang_VMThrowable = class_new(utf_new_char("java/lang/VMThrowable"));
58 if (class_java_lang_VMThrowable == NULL)
59 panic("Needed class java.lang.VMThrowable missing");
61 vmthrow = (java_lang_VMThrowable *) native_new_and_init(class_java_lang_VMThrowable);
64 panic("Needed instance of class java.lang.VMThrowable could not be created");
67 (void) asm_get_stackTrace(&(vmthrow->vmData));
77 java_objectarray* generateStackTraceArray(JNIEnv *env,stacktraceelement *source,long size)
80 methodinfo *constructor;
81 classinfo *class_stacktraceelement;
82 java_objectarray *array_stacktraceelement;
83 class_stacktraceelement = (classinfo *) loader_load(utf_new_char ("java/lang/StackTraceElement"));
85 if (!class_stacktraceelement)
89 constructor=class_findmethod(class_stacktraceelement,utf_new_char("<init>"),
90 utf_new_char("(Ljava/lang/String;ILjava/lang/String;Ljava/lang/String;Z)V"));
92 panic("java.lang.StackTraceElement misses needed constructor");
94 array_stacktraceelement = builtin_anewarray(size, class_stacktraceelement);
96 if (!array_stacktraceelement)
99 /* printf("Should return an array with %ld element(s)\n",size);*/
103 for(resultPos=0;size>=0;resultPos++,size--) {
104 java_objectheader *element=builtin_new(class_stacktraceelement);
106 panic("Memory for stack trace element could not be allocated");
109 #warning call constructor once jni is fixed to allow more than three parameters
112 (*env)->CallVoidMethod(env,element,constructor,
113 javastring_new(source[size].method->class->sourcefile),
114 source[size].linenumber,
115 javastring_new(source[size].method->class->name),
116 javastring_new(source[size].method->name),
117 source[size].method->flags & ACC_NATIVE);
119 if (!(source[size].method->flags & ACC_NATIVE))setfield_critical(class_stacktraceelement,element,"fileName",
120 "Ljava/lang/String;", jobject,
121 (jobject) javastring_new(source[size].method->class->sourcefile));
122 setfield_critical(class_stacktraceelement,element,"className", "Ljava/lang/String;", jobject,
123 (jobject) javastring_new(source[size].method->class->name));
124 setfield_critical(class_stacktraceelement,element,"methodName", "Ljava/lang/String;", jobject,
125 (jobject) javastring_new(source[size].method->name));
126 setfield_critical(class_stacktraceelement,element,"lineNumber", "I", jint,
127 (jint) ((source[size].method->flags & ACC_NATIVE) ? -1:(source[size].linenumber)));
128 setfield_critical(class_stacktraceelement,element,"isNative", "Z", jboolean,
129 (jboolean) ((source[size].method->flags & ACC_NATIVE) ? 1:0));
134 array_stacktraceelement->data[resultPos]=element;
137 return array_stacktraceelement;
143 * Class: java/lang/VMThrowable
144 * Method: getStackTrace
145 * Signature: (Ljava/lang/Throwable;)[Ljava/lang/StackTraceElement;
147 JNIEXPORT java_objectarray* JNICALL Java_java_lang_VMThrowable_getStackTrace(JNIEnv *env, java_lang_VMThrowable *this, java_lang_Throwable *par1)
151 utf* classname=par1->header.vftbl->class->name;
152 utf* init=utf_new_char("<init>");
153 utf* throwable=utf_new_char("java/lang/Throwable");
154 stacktraceelement *el=(stacktraceelement*)this->vmData;
156 /* log_text("Java_java_lang_VMThrowable_getStackTrace");
157 utf_display(par1->header.vftbl->class->name);
158 printf("\n----------------------------------------------\n");*/
161 return generateStackTraceArray(env, el, 0);
164 for (pos = 0; el[pos].method != 0; pos++);
167 panic("Stacktrace cannot have zero length");
173 if (el[pos].method->class->name == throwable && el[pos].method->name == init) {
174 for (; pos >= 0 && el[pos].method->name == init && el[pos].method->class->name != classname; pos--);
177 panic("Invalid stack trace for Throwable.getStackTrace()");
181 /* build the result array*/
184 return generateStackTraceArray(env,el,pos);
189 * These are local overrides for various environment variables in Emacs.
190 * Please do not remove this and leave it at the end of the file, where
191 * Emacs will automagically detect them.
192 * ---------------------------------------------------------------------
195 * indent-tabs-mode: t