1 /* 2 * Copyright (c) 1998, 2005, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 #ifndef JDWP_STEPCONTROL_H 27 #define JDWP_STEPCONTROL_H 28 29 #include "eventFilter.h" 30 #include "eventHandler.h" 31 32 typedef struct { 33 /* Parameters */ 34 jint granularity; 35 jint depth; 36 37 /* State */ 38 jboolean pending; 39 jboolean frameExited; /* for depth == STEP_OVER or STEP_OUT */ 40 jboolean fromNative; 41 jint fromStackDepth; /* for all but STEP_INTO STEP_INSTRUCTION */ 42 jint fromLine; /* for granularity == STEP_LINE */ 43 jmethodID method; /* Where line table came from. */ 44 jvmtiLineNumberEntry *lineEntries; /* STEP_LINE */ 45 jint lineEntryCount; /* for granularity == STEP_LINE */ 46 47 HandlerNode *stepHandlerNode; 48 HandlerNode *catchHandlerNode; 49 HandlerNode *framePopHandlerNode; 50 HandlerNode *methodEnterHandlerNode; 51 } StepRequest; 52 53 54 void stepControl_initialize(void); 55 void stepControl_reset(void); 56 57 jboolean stepControl_handleStep(JNIEnv *env, jthread thread, 58 jclass clazz, jmethodID method); 59 60 jvmtiError stepControl_beginStep(JNIEnv *env, jthread thread, 61 jint size, jint depth, HandlerNode *node); 62 jvmtiError stepControl_endStep(jthread thread); 63 64 void stepControl_clearRequest(jthread thread, StepRequest *step); 65 void stepControl_resetRequest(jthread thread); 66 67 void stepControl_lock(void); 68 void stepControl_unlock(void); 69 70 #endif 71