--- a/hotspot/src/share/vm/prims/jvm.cpp Fri Apr 08 19:39:32 2016 -0400
+++ b/hotspot/src/share/vm/prims/jvm.cpp Sat Apr 09 08:34:51 2016 -0400
@@ -534,7 +534,6 @@
JVM_ENTRY(jobject, JVM_CallStackWalk(JNIEnv *env, jobject stackStream, jlong mode,
jint skip_frames, jint frame_count, jint start_index,
- jobjectArray classes,
jobjectArray frames))
JVMWrapper("JVM_CallStackWalk");
JavaThread* jt = (JavaThread*) THREAD;
@@ -543,78 +542,51 @@
}
Handle stackStream_h(THREAD, JNIHandles::resolve_non_null(stackStream));
- objArrayOop ca = objArrayOop(JNIHandles::resolve_non_null(classes));
- objArrayHandle classes_array_h(THREAD, ca);
-
- // frames array is null when only getting caller reference
- objArrayOop fa = objArrayOop(JNIHandles::resolve(frames));
+
+ // frames array is a Class<?>[] array when only getting caller reference,
+ // and a StackFrameInfo[] array (or derivative) otherwise. It should never
+ // be null.
+ objArrayOop fa = objArrayOop(JNIHandles::resolve_non_null(frames));
objArrayHandle frames_array_h(THREAD, fa);
int limit = start_index + frame_count;
- if (classes_array_h->length() < limit) {
+ if (frames_array_h->length() < limit) {
THROW_MSG_(vmSymbols::java_lang_IllegalArgumentException(), "not enough space in buffers", NULL);
}
Handle result = StackWalk::walk(stackStream_h, mode, skip_frames, frame_count,
- start_index, classes_array_h,
- frames_array_h, CHECK_NULL);
+ start_index, frames_array_h, CHECK_NULL);
return JNIHandles::make_local(env, result());
JVM_END
JVM_ENTRY(jint, JVM_MoreStackWalk(JNIEnv *env, jobject stackStream, jlong mode, jlong anchor,
jint frame_count, jint start_index,
- jobjectArray classes,
jobjectArray frames))
JVMWrapper("JVM_MoreStackWalk");
JavaThread* jt = (JavaThread*) THREAD;
- objArrayOop ca = objArrayOop(JNIHandles::resolve_non_null(classes));
- objArrayHandle classes_array_h(THREAD, ca);
-
- // frames array is null when only getting caller reference
- objArrayOop fa = objArrayOop(JNIHandles::resolve(frames));
+
+ // frames array is a Class<?>[] array when only getting caller reference,
+ // and a StackFrameInfo[] array (or derivative) otherwise. It should never
+ // be null.
+ objArrayOop fa = objArrayOop(JNIHandles::resolve_non_null(frames));
objArrayHandle frames_array_h(THREAD, fa);
int limit = start_index+frame_count;
- if (classes_array_h->length() < limit) {
+ if (frames_array_h->length() < limit) {
THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(), "not enough space in buffers");
}
Handle stackStream_h(THREAD, JNIHandles::resolve_non_null(stackStream));
return StackWalk::moreFrames(stackStream_h, mode, anchor, frame_count,
- start_index, classes_array_h,
- frames_array_h, THREAD);
+ start_index, frames_array_h, THREAD);
JVM_END
-JVM_ENTRY(void, JVM_FillStackFrames(JNIEnv *env, jclass stackStream,
- jint start_index,
- jobjectArray frames,
- jint from_index, jint to_index))
- JVMWrapper("JVM_FillStackFrames");
- if (TraceStackWalk) {
- tty->print("JVM_FillStackFrames() start_index=%d from_index=%d to_index=%d\n",
- start_index, from_index, to_index);
- }
-
- JavaThread* jt = (JavaThread*) THREAD;
-
- objArrayOop fa = objArrayOop(JNIHandles::resolve_non_null(frames));
- objArrayHandle frames_array_h(THREAD, fa);
-
- if (frames_array_h->length() < to_index) {
- THROW_MSG(vmSymbols::java_lang_IllegalArgumentException(), "array length not matched");
- }
-
- for (int i = from_index; i < to_index; i++) {
- Handle stackFrame(THREAD, frames_array_h->obj_at(i));
- java_lang_StackFrameInfo::fill_methodInfo(stackFrame, CHECK);
- }
-JVM_END
-
-JVM_ENTRY(void, JVM_SetMethodInfo(JNIEnv *env, jobject frame))
- JVMWrapper("JVM_SetMethodInfo");
- Handle stackFrame(THREAD, JNIHandles::resolve(frame));
- java_lang_StackFrameInfo::fill_methodInfo(stackFrame, THREAD);
+JVM_ENTRY(void, JVM_ToStackTraceElement(JNIEnv *env, jobject frame, jobject stack))
+ JVMWrapper("JVM_ToStackTraceElement");
+ Handle stack_frame_info(THREAD, JNIHandles::resolve_non_null(frame));
+ Handle stack_trace_element(THREAD, JNIHandles::resolve_non_null(stack));
+ java_lang_StackFrameInfo::to_stack_trace_element(stack_frame_info, stack_trace_element, THREAD);
JVM_END
// java.lang.Object ///////////////////////////////////////////////