diff options
Diffstat (limited to 'libjava/classpath/native/vmi/vmi.c')
| -rwxr-xr-x | libjava/classpath/native/vmi/vmi.c | 143 |
1 files changed, 143 insertions, 0 deletions
diff --git a/libjava/classpath/native/vmi/vmi.c b/libjava/classpath/native/vmi/vmi.c new file mode 100755 index 00000000000..6022bedfde3 --- /dev/null +++ b/libjava/classpath/native/vmi/vmi.c @@ -0,0 +1,143 @@ +/* Japhar implementation of VMI. + Copyright (C) 1998 Free Software Foundation, Inc. + +This file is part of GNU Classpath. + +GNU Classpath is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2, or (at your option) +any later version. + +GNU Classpath is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +General Public License for more details. + +You should have received a copy of the GNU General Public License +along with GNU Classpath; see the file COPYING. If not, write to the +Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA +02110-1301 USA. + +Linking this library statically or dynamically with other modules is +making a combined work based on this library. Thus, the terms and +conditions of the GNU General Public License cover the whole +combination. + +As a special exception, the copyright holders of this library give you +permission to link this library with independent modules to produce an +executable, regardless of the license terms of these independent +modules, and to copy and distribute the resulting executable under +terms of your choice, provided that you also meet, for each linked +independent module, the terms and conditions of the license of that +module. An independent module is a module which is not derived from +or based on this library. If you modify this library, you may extend +this exception to your version of the library, but you are not +obligated to do so. If you do not wish to do so, delete this +exception statement from your version. */ + + +#include <jcl.h> +#include <vmi.h> +#include <jvmdi.h> +#include <interp.h> +#include <native-threads.h> + +JNIEXPORT vmiError JNICALL +VMI_GetFrameClass(JNIEnv *env, + jframeID frame, + jclass *clazz) { + + return VMI_ERROR_NONE; +} + +JNIEXPORT vmiError JNICALL +VMI_GetFrameObject(JNIEnv *env, + jframeID frame, + jobject *obj) { + StackFrame *sframe = (StackFrame*)frame; + if(env == NULL || obj == NULL) + return VMI_ERROR_NULL_POINTER; + if(frame == NULL) + return VMI_ERROR_INVALID_FRAMEID; + + *obj = THISPTR(sframe); + return VMI_ERROR_NONE; +} + +JNIEXPORT vmiError JNICALL +VMI_GetThisFrame(JNIEnv *env, jframeID *frame) { + JThreadInfo *thread_info; + + if(env == NULL || frame == NULL) + return VMI_ERROR_NULL_POINTER; + + thread_info = THREAD_getJavaInfo(); + *frame = (jframeID)TOPFRAME(thread_info); + return VMI_ERROR_NONE; +} + +JNIEXPORT vmiError JNICALL +VMI_GetThisThreadObject(JNIEnv* env, jthread *thread) { + JThreadInfo *thread_info; + if(env == NULL || thread == NULL) + return VMI_ERROR_NULL_POINTER; + thread_info = THREAD_getJavaInfo(); + *thread = (jthread)thread_info->java_thread; + return VMI_ERROR_NONE; +} + +JNIEXPORT void JNICALL +VMI_ThrowAppropriateException(JNIEnv *env, vmiError err) { + switch(err) { + case VMI_ERROR_NONE: + JCL_ThrowException(env, "java/lang/InternalError", "ERROR_NONE passed to VMI exception thrower."); + break; + case VMI_ERROR_NULL_POINTER: + JCL_ThrowException(env, "java/lang/NullPointerException", "null pointer in VMI detected."); + break; + case VMI_ERROR_OUT_OF_MEMORY: + JCL_ThrowException(env, "java/lang/OutOfMemoryError", "Out of memory! (in VMI)."); + break; + case VMI_ERROR_INVALID_METHODID: + JCL_ThrowException(env, "java/lang/InternalError", "VMI error: INVALID_METHODID"); + break; + case VMI_ERROR_INVALID_CLASS: + JCL_ThrowException(env, "java/lang/InternalError", "VMI error: INVALID_CLASS"); + break; + case VMI_ERROR_INVALID_BCI: + JCL_ThrowException(env, "java/lang/InternalError", "VMI error: INVALID_BCI"); + break; + case VMI_ERROR_NO_SUCH_BREAKPOINT: + JCL_ThrowException(env, "java/lang/InternalError", "VMI error: NO_SUCH_BREAKPOINT"); + break; + case VMI_ERROR_VM_DEAD: + JCL_ThrowException(env, "java/lang/InternalError", "VMI error: VM Dead! Kinda makes ya wonder how this exception got thrown, huh?"); + break; + case VMI_ERROR_INVALID_FRAMEID: + JCL_ThrowException(env, "java/lang/IllegalThreadStateException", "NULL Frame ID detected in VMI."); + break; + case VMI_ERROR_INVALID_SLOT: + JCL_ThrowException(env, "java/lang/InternalError", "VMI error: INVALID_SLOT"); + break; + case VMI_ERROR_TYPE_MISMATCH: + JCL_ThrowException(env, "java/lang/InternalError", "VMI error: INVALID_SLOT"); + break; + case VMI_ERROR_NATIVE_FRAME: + JCL_ThrowException(env, "java/lang/InternalError", "VMI error: NATIVE_FRAME"); + break; + case VMI_ERROR_NO_MORE_FRAMES: + JCL_ThrowException(env, "java/lang/InternalError", "VMI error: NO_MORE_FRAMES"); + break; + case VMI_ERROR_INVALID_THREAD: + JCL_ThrowException(env, "java/lang/IllegalThreadStateException", "Invalid thread in VMI."); + break; + case VMI_ERROR_THREAD_NOT_SUSPENDED: + JCL_ThrowException(env, "java/lang/IllegalThreadStateException", "Attempt to introspect unsuspended thread in VMI."); + break; + default: + JCL_ThrowException(env, "java/lang/UnknownError", "VMI returned erroneous error value ..."); + break; + } +} + + |
