143 lines
5 KiB
C
Executable file
143 lines
5 KiB
C
Executable file
/* Japhar implementation of VMI.
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Copyright (C) 1998 Free Software Foundation, Inc.
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301 USA.
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Linking this library statically or dynamically with other modules is
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making a combined work based on this library. Thus, the terms and
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conditions of the GNU General Public License cover the whole
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combination.
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
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executable, regardless of the license terms of these independent
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modules, and to copy and distribute the resulting executable under
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terms of your choice, provided that you also meet, for each linked
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independent module, the terms and conditions of the license of that
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module. An independent module is a module which is not derived from
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or based on this library. If you modify this library, you may extend
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this exception to your version of the library, but you are not
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obligated to do so. If you do not wish to do so, delete this
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exception statement from your version. */
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#include <jcl.h>
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#include <vmi.h>
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#include <jvmdi.h>
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#include <interp.h>
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#include <native-threads.h>
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JNIEXPORT vmiError JNICALL
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VMI_GetFrameClass(JNIEnv *env,
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jframeID frame,
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jclass *clazz) {
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return VMI_ERROR_NONE;
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}
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JNIEXPORT vmiError JNICALL
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VMI_GetFrameObject(JNIEnv *env,
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jframeID frame,
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jobject *obj) {
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StackFrame *sframe = (StackFrame*)frame;
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if(env == NULL || obj == NULL)
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return VMI_ERROR_NULL_POINTER;
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if(frame == NULL)
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return VMI_ERROR_INVALID_FRAMEID;
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*obj = THISPTR(sframe);
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return VMI_ERROR_NONE;
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}
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JNIEXPORT vmiError JNICALL
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VMI_GetThisFrame(JNIEnv *env, jframeID *frame) {
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JThreadInfo *thread_info;
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if(env == NULL || frame == NULL)
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return VMI_ERROR_NULL_POINTER;
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thread_info = THREAD_getJavaInfo();
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*frame = (jframeID)TOPFRAME(thread_info);
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return VMI_ERROR_NONE;
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}
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JNIEXPORT vmiError JNICALL
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VMI_GetThisThreadObject(JNIEnv* env, jthread *thread) {
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JThreadInfo *thread_info;
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if(env == NULL || thread == NULL)
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return VMI_ERROR_NULL_POINTER;
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thread_info = THREAD_getJavaInfo();
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*thread = (jthread)thread_info->java_thread;
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return VMI_ERROR_NONE;
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}
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JNIEXPORT void JNICALL
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VMI_ThrowAppropriateException(JNIEnv *env, vmiError err) {
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switch(err) {
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case VMI_ERROR_NONE:
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JCL_ThrowException(env, "java/lang/InternalError", "ERROR_NONE passed to VMI exception thrower.");
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break;
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case VMI_ERROR_NULL_POINTER:
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JCL_ThrowException(env, "java/lang/NullPointerException", "null pointer in VMI detected.");
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break;
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case VMI_ERROR_OUT_OF_MEMORY:
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JCL_ThrowException(env, "java/lang/OutOfMemoryError", "Out of memory! (in VMI).");
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break;
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case VMI_ERROR_INVALID_METHODID:
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JCL_ThrowException(env, "java/lang/InternalError", "VMI error: INVALID_METHODID");
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break;
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case VMI_ERROR_INVALID_CLASS:
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JCL_ThrowException(env, "java/lang/InternalError", "VMI error: INVALID_CLASS");
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break;
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case VMI_ERROR_INVALID_BCI:
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JCL_ThrowException(env, "java/lang/InternalError", "VMI error: INVALID_BCI");
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break;
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case VMI_ERROR_NO_SUCH_BREAKPOINT:
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JCL_ThrowException(env, "java/lang/InternalError", "VMI error: NO_SUCH_BREAKPOINT");
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break;
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case VMI_ERROR_VM_DEAD:
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JCL_ThrowException(env, "java/lang/InternalError", "VMI error: VM Dead! Kinda makes ya wonder how this exception got thrown, huh?");
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break;
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case VMI_ERROR_INVALID_FRAMEID:
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JCL_ThrowException(env, "java/lang/IllegalThreadStateException", "NULL Frame ID detected in VMI.");
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break;
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case VMI_ERROR_INVALID_SLOT:
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JCL_ThrowException(env, "java/lang/InternalError", "VMI error: INVALID_SLOT");
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break;
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case VMI_ERROR_TYPE_MISMATCH:
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JCL_ThrowException(env, "java/lang/InternalError", "VMI error: INVALID_SLOT");
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break;
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case VMI_ERROR_NATIVE_FRAME:
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JCL_ThrowException(env, "java/lang/InternalError", "VMI error: NATIVE_FRAME");
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break;
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case VMI_ERROR_NO_MORE_FRAMES:
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JCL_ThrowException(env, "java/lang/InternalError", "VMI error: NO_MORE_FRAMES");
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break;
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case VMI_ERROR_INVALID_THREAD:
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JCL_ThrowException(env, "java/lang/IllegalThreadStateException", "Invalid thread in VMI.");
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break;
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case VMI_ERROR_THREAD_NOT_SUSPENDED:
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JCL_ThrowException(env, "java/lang/IllegalThreadStateException", "Attempt to introspect unsuspended thread in VMI.");
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break;
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default:
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JCL_ThrowException(env, "java/lang/UnknownError", "VMI returned erroneous error value ...");
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break;
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}
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}
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