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comparison agent/src/share/classes/sun/jvm/hotspot/runtime/JavaThread.java @ 218:a5838065ab24

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6620329: jstack prints double native methods on Solaris/sparc Summary: Fixed stack walking code in sparc to start frame walk from last_java_sp. Reviewed-by: sgoldman
author swamyv
date Tue, 24 Jun 2008 21:37:10 -0700
parents a61af66fc99e
children b9fba36710f2
comparison
equal deleted inserted replaced
217:411c61adc994 218:a5838065ab24
213 RegisterMap regMap = newRegisterMap(true); 213 RegisterMap regMap = newRegisterMap(true);
214 sun.jvm.hotspot.runtime.Frame f = getCurrentFrameGuess(); 214 sun.jvm.hotspot.runtime.Frame f = getCurrentFrameGuess();
215 if (f == null) return null; 215 if (f == null) return null;
216 boolean imprecise = true; 216 boolean imprecise = true;
217 if (f.isInterpretedFrame() && !f.isInterpretedFrameValid()) { 217 if (f.isInterpretedFrame() && !f.isInterpretedFrameValid()) {
218 if (DEBUG) { 218 if (DEBUG) {
219 System.out.println("Correcting for invalid interpreter frame"); 219 System.out.println("Correcting for invalid interpreter frame");
220 } 220 }
221 f = f.sender(regMap); 221 f = f.sender(regMap);
222 imprecise = false; 222 imprecise = false;
223 } 223 }
224 VFrame vf = VFrame.newVFrame(f, regMap, this, true, imprecise); 224 VFrame vf = VFrame.newVFrame(f, regMap, this, true, imprecise);
225 if (vf == null) { 225 if (vf == null) {
226 if (DEBUG) { 226 if (DEBUG) {
227 System.out.println(" (Unable to create vframe for topmost frame guess)"); 227 System.out.println(" (Unable to create vframe for topmost frame guess)");
228 } 228 }
229 return null; 229 return null;
230 } 230 }
231 if (vf.isJavaFrame()) { 231 return vf.isJavaFrame() ? (JavaVFrame)vf : vf.javaSender();
232 return (JavaVFrame) vf;
233 }
234 return (JavaVFrame) vf.javaSender();
235 } 232 }
236 233
237 /** In this system, a JavaThread is the top-level factory for a 234 /** In this system, a JavaThread is the top-level factory for a
238 RegisterMap, since the JavaThread implementation is already 235 RegisterMap, since the JavaThread implementation is already
239 platform-specific and RegisterMap is also necessarily 236 platform-specific and RegisterMap is also necessarily