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comparison agent/src/share/classes/sun/jvm/hotspot/tools/PStack.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 c18cbe5936b8
comparison
equal deleted inserted replaced
217:411c61adc994 218:a5838065ab24
85 out.print(th); 85 out.print(th);
86 out.println(" -----------------"); 86 out.println(" -----------------");
87 while (f != null) { 87 while (f != null) {
88 ClosestSymbol sym = f.closestSymbolToPC(); 88 ClosestSymbol sym = f.closestSymbolToPC();
89 Address pc = f.pc(); 89 Address pc = f.pc();
90 out.print(pc + "\t");
90 if (sym != null) { 91 if (sym != null) {
91 String name = sym.getName(); 92 String name = sym.getName();
92 if (cdbgCanDemangle) { 93 if (cdbgCanDemangle) {
93 name = cdbg.demangle(name); 94 name = cdbg.demangle(name);
94 } 95 }
95 out.print(pc + "\t" + name); 96 out.print(name);
96 long diff = sym.getOffset(); 97 long diff = sym.getOffset();
97 if (diff != 0L) { 98 if (diff != 0L) {
98 out.print(" + 0x" + Long.toHexString(diff)); 99 out.print(" + 0x" + Long.toHexString(diff));
99 } 100 }
100 out.println(); 101 out.println();
118 } 119 }
119 } else { 120 } else {
120 // look for known code blobs 121 // look for known code blobs
121 CodeCache c = VM.getVM().getCodeCache(); 122 CodeCache c = VM.getVM().getCodeCache();
122 if (c.contains(pc)) { 123 if (c.contains(pc)) {
123 out.print(pc + "\t");
124 CodeBlob cb = c.findBlobUnsafe(pc); 124 CodeBlob cb = c.findBlobUnsafe(pc);
125 if (cb.isNMethod()) { 125 if (cb.isNMethod()) {
126 names = getJavaNames(th, f.localVariableBase()); 126 names = getJavaNames(th, f.localVariableBase());
127 // just print compiled code, if can't determine method 127 // just print compiled code, if can't determine method
128 if (names == null || names.length == 0) { 128 if (names == null || names.length == 0) {
142 out.println("<SafepointStub>"); 142 out.println("<SafepointStub>");
143 } else { 143 } else {
144 out.println("<Unknown code blob>"); 144 out.println("<Unknown code blob>");
145 } 145 }
146 } else { 146 } else {
147 printUnknown(out,pc); 147 printUnknown(out);
148 } 148 }
149 } 149 }
150 // print java frames, if any 150 // print java frames, if any
151 if (names != null && names.length != 0) { 151 if (names != null && names.length != 0) {
152 // print java frame(s) 152 // print java frame(s)
153 for (int i = 0; i < names.length; i++) { 153 for (int i = 0; i < names.length; i++) {
154 out.println(pc + "\t" + names[i]); 154 out.println(names[i]);
155 } 155 }
156 } 156 }
157 } else { 157 } else {
158 printUnknown(out,pc); 158 printUnknown(out);
159 } 159 }
160 } 160 }
161 f = f.sender(); 161 f = f.sender();
162 } 162 }
163 } catch (Exception exp) { 163 } catch (Exception exp) {
218 jframeCache.put(cur.getThreadProxy(), jvframes); 218 jframeCache.put(cur.getThreadProxy(), jvframes);
219 proxyToThread.put(cur.getThreadProxy(), cur); 219 proxyToThread.put(cur.getThreadProxy(), cur);
220 } 220 }
221 } 221 }
222 222
223 private void printUnknown(PrintStream out, Address pc) { 223 private void printUnknown(PrintStream out) {
224 out.println(pc + "\t????????"); 224 out.println("\t????????");
225 } 225 }
226 226
227 private String[] getJavaNames(ThreadProxy th, Address fp) { 227 private String[] getJavaNames(ThreadProxy th, Address fp) {
228 if (fp == null) { 228 if (fp == null) {
229 return null; 229 return null;