src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/runtime/amd64/AMD64CurrentFrameGuess.java
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1 /* |
1 /* |
2 * Copyright (c) 2003, 2006, Oracle and/or its affiliates. All rights reserved. |
2 * Copyright (c) 2003, 2019, Oracle and/or its affiliates. All rights reserved. |
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
4 * |
4 * |
5 * This code is free software; you can redistribute it and/or modify it |
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 |
6 * under the terms of the GNU General Public License version 2 only, as |
7 * published by the Free Software Foundation. |
7 * published by the Free Software Foundation. |
135 System.out.println("CurrentFrameGuess: Choosing sp = " + curSP + ", pc = " + pc); |
135 System.out.println("CurrentFrameGuess: Choosing sp = " + curSP + ", pc = " + pc); |
136 } |
136 } |
137 setValues(curSP, null, pc); |
137 setValues(curSP, null, pc); |
138 return true; |
138 return true; |
139 } |
139 } |
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140 Frame oldFrame = frame; |
140 frame = frame.sender(map); |
141 frame = frame.sender(map); |
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142 if (frame.getSP().lessThanOrEqual(oldFrame.getSP())) { |
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143 // Frame points to itself or to a location in the wrong direction. |
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144 // Break the loop and move on to next offset. |
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145 if (DEBUG) { |
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146 System.out.println("AMD64CurrentFrameGuess.run: frame <= oldFrame: " + frame); |
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147 } |
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148 break; |
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149 } |
141 } |
150 } |
142 } catch (Exception e) { |
151 } catch (Exception e) { |
143 if (DEBUG) { |
152 if (DEBUG) { |
144 System.out.println("CurrentFrameGuess: Exception " + e + " at offset " + offset); |
153 System.out.println("CurrentFrameGuess: Exception " + e + " at offset " + offset); |
145 } |
154 } |