1 /* src/native/vm/gnuclasspath/gnu_classpath_VMStackWalker.cpp
3 Copyright (C) 1996-2005, 2006, 2007, 2008
4 CACAOVM - Verein zur Foerderung der freien virtuellen Maschine CACAO
6 This file is part of CACAO.
8 This program is free software; you can redistribute it and/or
9 modify it under the terms of the GNU General Public License as
10 published by the Free Software Foundation; either version 2, or (at
11 your option) any later version.
13 This program is distributed in the hope that it will be useful, but
14 WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
30 #include "native/jni.h"
31 #include "native/native.h"
33 #include "native/include/java_lang_Class.h"
34 #include "native/include/java_lang_ClassLoader.h"
38 #include "native/include/gnu_classpath_VMStackWalker.h"
41 #include "vm/global.h"
43 #include "vm/jit/stacktrace.hpp"
45 #include "vmcore/class.h"
46 #include "vmcore/utf8.h"
49 // Native functions are exported as C functions.
53 * Class: gnu/classpath/VMStackWalker
54 * Method: getClassContext
55 * Signature: ()[Ljava/lang/Class;
57 JNIEXPORT java_handle_objectarray_t* JNICALL Java_gnu_classpath_VMStackWalker_getClassContext(JNIEnv *env, jclass clazz)
59 java_handle_objectarray_t *oa;
61 oa = stacktrace_getClassContext();
68 * Class: gnu/classpath/VMStackWalker
69 * Method: getCallingClass
70 * Signature: ()Ljava/lang/Class;
72 JNIEXPORT java_lang_Class* JNICALL Java_gnu_classpath_VMStackWalker_getCallingClass(JNIEnv *env, jclass clazz)
76 c = stacktrace_get_caller_class(2);
78 return (java_lang_Class *) c;
83 * Class: gnu/classpath/VMStackWalker
84 * Method: getCallingClassLoader
85 * Signature: ()Ljava/lang/ClassLoader;
87 JNIEXPORT java_lang_ClassLoader* JNICALL Java_gnu_classpath_VMStackWalker_getCallingClassLoader(JNIEnv *env, jclass clazz)
92 c = stacktrace_get_caller_class(2);
93 cl = class_get_classloader(c);
95 return (java_lang_ClassLoader *) cl;
100 * Class: gnu/classpath/VMStackWalker
101 * Method: firstNonNullClassLoader
102 * Signature: ()Ljava/lang/ClassLoader;
104 JNIEXPORT java_lang_ClassLoader* JNICALL Java_gnu_classpath_VMStackWalker_firstNonNullClassLoader(JNIEnv *env, jclass clazz)
108 cl = stacktrace_first_nonnull_classloader();
110 return (java_lang_ClassLoader *) cl;
116 /* native methods implemented by this file ************************************/
118 static JNINativeMethod methods[] = {
119 { (char*) "getClassContext", (char*) "()[Ljava/lang/Class;", (void*) (uintptr_t) &Java_gnu_classpath_VMStackWalker_getClassContext },
120 { (char*) "getCallingClass", (char*) "()Ljava/lang/Class;", (void*) (uintptr_t) &Java_gnu_classpath_VMStackWalker_getCallingClass },
121 { (char*) "getCallingClassLoader", (char*) "()Ljava/lang/ClassLoader;", (void*) (uintptr_t) &Java_gnu_classpath_VMStackWalker_getCallingClassLoader },
122 { (char*) "firstNonNullClassLoader", (char*) "()Ljava/lang/ClassLoader;", (void*) (uintptr_t) &Java_gnu_classpath_VMStackWalker_firstNonNullClassLoader },
126 /* _Jv_gnu_classpath_VMStackWalker_init ****************************************
128 Register native functions.
130 *******************************************************************************/
134 void _Jv_gnu_classpath_VMStackWalker_init(void)
138 u = utf_new_char("gnu/classpath/VMStackWalker");
140 native_method_register(u, methods, NATIVE_METHODS_COUNT);
146 * These are local overrides for various environment variables in Emacs.
147 * Please do not remove this and leave it at the end of the file, where
148 * Emacs will automagically detect them.
149 * ---------------------------------------------------------------------
152 * indent-tabs-mode: t
156 * vim:noexpandtab:sw=4:ts=4: