# HG changeset patch # User jrose # Date 1271837595 25200 # Node ID ba07d5be2d51bfd0ae69b43699dfe873cb868e97 # Parent bc32f286fae0b72b69b02b2843db19d5cea7a31c# Parent 605c9707a766ff518cd841fc04f9bb4b36a3a30b Merge diff -r 605c9707a766 -r ba07d5be2d51 agent/src/os/linux/ps_core.c --- a/agent/src/os/linux/ps_core.c Tue Apr 20 21:38:23 2010 -0700 +++ b/agent/src/os/linux/ps_core.c Wed Apr 21 01:13:15 2010 -0700 @@ -884,9 +884,12 @@ } // read name of the shared object - if (read_string(ph, (uintptr_t) lib_name_addr, lib_name, sizeof(lib_name)) != true) { + lib_name[0] = '\0'; + if (lib_name_addr != 0 && + read_string(ph, (uintptr_t) lib_name_addr, lib_name, sizeof(lib_name)) != true) { print_debug("can't read shared object name\n"); - return false; + // don't let failure to read the name stop opening the file. If something is really wrong + // it will fail later. } if (lib_name[0] != '\0') { diff -r 605c9707a766 -r ba07d5be2d51 agent/src/share/classes/sun/jvm/hotspot/CommandProcessor.java --- a/agent/src/share/classes/sun/jvm/hotspot/CommandProcessor.java Tue Apr 20 21:38:23 2010 -0700 +++ b/agent/src/share/classes/sun/jvm/hotspot/CommandProcessor.java Wed Apr 21 01:13:15 2010 -0700 @@ -1,5 +1,5 @@ /* - * Copyright 2005-2008 Sun Microsystems, Inc. All Rights Reserved. + * Copyright 2005-2010 Sun Microsystems, Inc. All Rights Reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it @@ -494,6 +494,68 @@ } } }, + new Command("revptrs", "revptrs address", false) { + public void doit(Tokens t) { + int tokens = t.countTokens(); + if (tokens != 1 && (tokens != 2 || !t.nextToken().equals("-c"))) { + usage(); + return; + } + boolean chase = tokens == 2; + ReversePtrs revptrs = VM.getVM().getRevPtrs(); + if (revptrs == null) { + out.println("Computing reverse pointers..."); + ReversePtrsAnalysis analysis = new ReversePtrsAnalysis(); + final boolean[] complete = new boolean[1]; + HeapProgressThunk thunk = new HeapProgressThunk() { + public void heapIterationFractionUpdate(double d) {} + public synchronized void heapIterationComplete() { + complete[0] = true; + notify(); + } + }; + analysis.setHeapProgressThunk(thunk); + analysis.run(); + while (!complete[0]) { + synchronized (thunk) { + try { + thunk.wait(); + } catch (Exception e) { + } + } + } + revptrs = VM.getVM().getRevPtrs(); + out.println("Done."); + } + Address a = VM.getVM().getDebugger().parseAddress(t.nextToken()); + if (VM.getVM().getUniverse().heap().isInReserved(a)) { + OopHandle handle = a.addOffsetToAsOopHandle(0); + Oop oop = VM.getVM().getObjectHeap().newOop(handle); + ArrayList ptrs = revptrs.get(oop); + if (ptrs == null) { + out.println("no live references to " + a); + } else { + if (chase) { + while (ptrs.size() == 1) { + LivenessPathElement e = (LivenessPathElement)ptrs.get(0); + ByteArrayOutputStream bos = new ByteArrayOutputStream(); + Oop.printOopValueOn(e.getObj(), new PrintStream(bos)); + out.println(bos.toString()); + ptrs = revptrs.get(e.getObj()); + } + } else { + for (int i = 0; i < ptrs.size(); i++) { + LivenessPathElement e = (LivenessPathElement)ptrs.get(i); + ByteArrayOutputStream bos = new ByteArrayOutputStream(); + Oop.printOopValueOn(e.getObj(), new PrintStream(bos)); + out.println(bos.toString()); + oop = e.getObj(); + } + } + } + } + } + }, new Command("inspect", "inspect expression", false) { public void doit(Tokens t) { if (t.countTokens() != 1) { @@ -816,8 +878,24 @@ dumpType(type); } else { Iterator i = agent.getTypeDataBase().getTypes(); + // Make sure the types are emitted in an order than can be read back in + HashSet emitted = new HashSet(); + Stack pending = new Stack(); while (i.hasNext()) { - dumpType((Type)i.next()); + Type n = (Type)i.next(); + if (emitted.contains(n.getName())) { + continue; + } + + while (n != null && !emitted.contains(n.getName())) { + pending.push(n); + n = n.getSuperclass(); + } + while (!pending.empty()) { + n = (Type)pending.pop(); + dumpType(n); + emitted.add(n.getName()); + } } } } @@ -846,83 +924,105 @@ } }, - new Command("search", "search [ heap | codecache | threads ] value", false) { + new Command("search", "search [ heap | perm | rawheap | codecache | threads ] value", false) { public void doit(Tokens t) { if (t.countTokens() != 2) { usage(); - } else { - String type = t.nextToken(); - final Address value = VM.getVM().getDebugger().parseAddress(t.nextToken()); - final long stride = VM.getVM().getAddressSize(); - if (type.equals("threads")) { - Threads threads = VM.getVM().getThreads(); - for (JavaThread thread = threads.first(); thread != null; thread = thread.next()) { - Address base = thread.getBaseOfStackPointer(); - Address end = thread.getLastJavaSP(); - if (end == null) continue; - if (end.lessThan(base)) { - Address tmp = base; - base = end; - end = tmp; + return; + } + String type = t.nextToken(); + final Address value = VM.getVM().getDebugger().parseAddress(t.nextToken()); + final long stride = VM.getVM().getAddressSize(); + if (type.equals("threads")) { + Threads threads = VM.getVM().getThreads(); + for (JavaThread thread = threads.first(); thread != null; thread = thread.next()) { + Address base = thread.getBaseOfStackPointer(); + Address end = thread.getLastJavaSP(); + if (end == null) continue; + if (end.lessThan(base)) { + Address tmp = base; + base = end; + end = tmp; + } + out.println("Searching " + base + " " + end); + while (base != null && base.lessThan(end)) { + Address val = base.getAddressAt(0); + if (AddressOps.equal(val, value)) { + out.println(base); + } + base = base.addOffsetTo(stride); + } + } + } else if (type.equals("rawheap")) { + RawHeapVisitor iterator = new RawHeapVisitor() { + public void prologue(long used) { } - out.println("Searching " + base + " " + end); - while (base != null && base.lessThan(end)) { - Address val = base.getAddressAt(0); + + public void visitAddress(Address addr) { + Address val = addr.getAddressAt(0); if (AddressOps.equal(val, value)) { - out.println(base); + out.println("found at " + addr); } - base = base.addOffsetTo(stride); + } + public void visitCompOopAddress(Address addr) { + Address val = addr.getCompOopAddressAt(0); + if (AddressOps.equal(val, value)) { + out.println("found at " + addr); + } } - } - } else if (type.equals("heap")) { - RawHeapVisitor iterator = new RawHeapVisitor() { - public void prologue(long used) { - } - - public void visitAddress(Address addr) { - Address val = addr.getAddressAt(0); + public void epilogue() { + } + }; + VM.getVM().getObjectHeap().iterateRaw(iterator); + } else if (type.equals("heap") || type.equals("perm")) { + HeapVisitor iterator = new DefaultHeapVisitor() { + public boolean doObj(Oop obj) { + int index = 0; + Address start = obj.getHandle(); + long end = obj.getObjectSize(); + while (index < end) { + Address val = start.getAddressAt(index); if (AddressOps.equal(val, value)) { - out.println("found at " + addr); + out.println("found in " + obj.getHandle()); + break; } - } - public void visitCompOopAddress(Address addr) { - Address val = addr.getCompOopAddressAt(0); - if (AddressOps.equal(val, value)) { - out.println("found at " + addr); - } - } - public void epilogue() { - } - }; - VM.getVM().getObjectHeap().iterateRaw(iterator); - } else if (type.equals("codecache")) { - CodeCacheVisitor v = new CodeCacheVisitor() { - public void prologue(Address start, Address end) { + index += 4; } - public void visit(CodeBlob blob) { - boolean printed = false; - Address base = blob.getAddress(); - Address end = base.addOffsetTo(blob.getSize()); - while (base != null && base.lessThan(end)) { - Address val = base.getAddressAt(0); - if (AddressOps.equal(val, value)) { - if (!printed) { - printed = true; - blob.printOn(out); - } - out.println("found at " + base + "\n"); + return false; + } + }; + if (type.equals("heap")) { + VM.getVM().getObjectHeap().iterate(iterator); + } else { + VM.getVM().getObjectHeap().iteratePerm(iterator); + } + } else if (type.equals("codecache")) { + CodeCacheVisitor v = new CodeCacheVisitor() { + public void prologue(Address start, Address end) { + } + public void visit(CodeBlob blob) { + boolean printed = false; + Address base = blob.getAddress(); + Address end = base.addOffsetTo(blob.getSize()); + while (base != null && base.lessThan(end)) { + Address val = base.getAddressAt(0); + if (AddressOps.equal(val, value)) { + if (!printed) { + printed = true; + blob.printOn(out); } - base = base.addOffsetTo(stride); + out.println("found at " + base + "\n"); } + base = base.addOffsetTo(stride); } - public void epilogue() { - } + } + public void epilogue() { + } - }; - VM.getVM().getCodeCache().iterate(v); + }; + VM.getVM().getCodeCache().iterate(v); - } } } }, @@ -957,12 +1057,19 @@ Threads threads = VM.getVM().getThreads(); boolean all = name.equals("-a"); for (JavaThread thread = threads.first(); thread != null; thread = thread.next()) { - StringWriter sw = new StringWriter(); ByteArrayOutputStream bos = new ByteArrayOutputStream(); thread.printThreadIDOn(new PrintStream(bos)); if (all || bos.toString().equals(name)) { + out.println(bos.toString() + " = " + thread.getAddress()); HTMLGenerator gen = new HTMLGenerator(false); - out.println(gen.genHTMLForJavaStackTrace(thread)); + try { + out.println(gen.genHTMLForJavaStackTrace(thread)); + } catch (Exception e) { + err.println("Error: " + e); + if (verboseExceptions) { + e.printStackTrace(err); + } + } if (!all) return; } } @@ -970,6 +1077,26 @@ } } }, + new Command("thread", "thread { -a | id }", false) { + public void doit(Tokens t) { + if (t.countTokens() != 1) { + usage(); + } else { + String name = t.nextToken(); + Threads threads = VM.getVM().getThreads(); + boolean all = name.equals("-a"); + for (JavaThread thread = threads.first(); thread != null; thread = thread.next()) { + ByteArrayOutputStream bos = new ByteArrayOutputStream(); + thread.printThreadIDOn(new PrintStream(bos)); + if (all || bos.toString().equals(name)) { + out.println(bos.toString() + " = " + thread.getAddress()); + if (!all) return; + } + } + out.println("Couldn't find thread " + name); + } + } + }, new Command("threads", false) { public void doit(Tokens t) { @@ -1161,7 +1288,7 @@ } } - static Pattern historyPattern = Pattern.compile("((!\\*)|(!\\$)|(!!-?)|(!-?[0-9][0-9]*))"); + static Pattern historyPattern = Pattern.compile("((!\\*)|(!\\$)|(!!-?)|(!-?[0-9][0-9]*)|(![a-zA-Z][^ ]*))"); public void executeCommand(String ln) { if (ln.indexOf('!') != -1) { @@ -1195,14 +1322,37 @@ result.append(item.at(item.countTokens() - 1)); } else { String tail = cmd.substring(1); - int index = Integer.parseInt(tail); - if (index < 0) { - index = history.size() + index; + switch (tail.charAt(0)) { + case '0': + case '1': + case '2': + case '3': + case '4': + case '5': + case '6': + case '7': + case '8': + case '9': + case '-': { + int index = Integer.parseInt(tail); + if (index < 0) { + index = history.size() + index; + } + if (index > size) { + err.println("No such history item"); + } else { + result.append((String)history.get(index)); + } + break; } - if (index > size) { - err.println("No such history item"); - } else { - result.append((String)history.get(index)); + default: { + for (int i = history.size() - 1; i >= 0; i--) { + String s = (String)history.get(i); + if (s.startsWith(tail)) { + result.append(s); + } + } + } } } } diff -r 605c9707a766 -r ba07d5be2d51 agent/src/share/classes/sun/jvm/hotspot/HSDB.java --- a/agent/src/share/classes/sun/jvm/hotspot/HSDB.java Tue Apr 20 21:38:23 2010 -0700 +++ b/agent/src/share/classes/sun/jvm/hotspot/HSDB.java Wed Apr 21 01:13:15 2010 -0700 @@ -1,5 +1,5 @@ /* - * Copyright 2000-2008 Sun Microsystems, Inc. All Rights Reserved. + * Copyright 2000-2010 Sun Microsystems, Inc. All Rights Reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it @@ -985,6 +985,12 @@ annoPanel.addAnnotation(new Annotation(curFrame.addressOfInterpreterFrameExpressionStack(), curFrame.addressOfInterpreterFrameTOS(), "Interpreter expression stack")); + Address monBegin = curFrame.interpreterFrameMonitorBegin().address(); + Address monEnd = curFrame.interpreterFrameMonitorEnd().address(); + if (!monBegin.equals(monEnd)) { + annoPanel.addAnnotation(new Annotation(monBegin, monEnd, + "BasicObjectLocks")); + } if (interpreterFrameMethod != null) { // The offset is just to get the right stack slots highlighted in the output int offset = 1; diff -r 605c9707a766 -r ba07d5be2d51 agent/src/share/classes/sun/jvm/hotspot/bugspot/BugSpot.java --- a/agent/src/share/classes/sun/jvm/hotspot/bugspot/BugSpot.java Tue Apr 20 21:38:23 2010 -0700 +++ b/agent/src/share/classes/sun/jvm/hotspot/bugspot/BugSpot.java Wed Apr 21 01:13:15 2010 -0700 @@ -1,5 +1,5 @@ /* - * Copyright 2001-2003 Sun Microsystems, Inc. All Rights Reserved. + * Copyright 2001-2010 Sun Microsystems, Inc. All Rights Reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it @@ -294,7 +294,7 @@ attachDialog.setSize(400, 300); GraphicsUtilities.centerInContainer(attachDialog.getComponent(), getParentDimension(attachDialog.getComponent())); - attachDialog.show(); + attachDialog.setVisible(true); } public void showThreadsDialog() { @@ -321,7 +321,7 @@ getParentDimension(threadsDialog.getComponent())); GraphicsUtilities.centerInContainer(threadsDialog.getComponent(), getParentDimension(threadsDialog.getComponent())); - threadsDialog.show(); + threadsDialog.setVisible(true); } public void showMemoryDialog() { @@ -341,7 +341,7 @@ getParentDimension(memoryDialog.getComponent())); GraphicsUtilities.centerInContainer(memoryDialog.getComponent(), getParentDimension(memoryDialog.getComponent())); - memoryDialog.show(); + memoryDialog.setVisible(true); } /** Changes the editor factory this debugger uses to display source @@ -530,7 +530,7 @@ addFrame(stackFrame); stackFrame.setSize(400, 200); GraphicsUtilities.moveToInContainer(stackFrame.getComponent(), 0.0f, 1.0f, 0, 20); - stackFrame.show(); + stackFrame.setVisible(true); // Create register panel registerPanel = new RegisterPanel(); @@ -544,7 +544,7 @@ registerFrame.setSize(225, 200); GraphicsUtilities.moveToInContainer(registerFrame.getComponent(), 1.0f, 0.0f, 0, 0); - registerFrame.show(); + registerFrame.setVisible(true); resetCurrentThread(); } catch (DebuggerException e) { @@ -979,7 +979,7 @@ 1.0f, 0.85f, getParentDimension(editorFrame.getComponent())); - editorFrame.show(); + editorFrame.setVisible(true); shown = true; } code.showLineNumber(lineNo); diff -r 605c9707a766 -r ba07d5be2d51 agent/src/share/classes/sun/jvm/hotspot/interpreter/BytecodeDisassembler.java --- a/agent/src/share/classes/sun/jvm/hotspot/interpreter/BytecodeDisassembler.java Tue Apr 20 21:38:23 2010 -0700 +++ b/agent/src/share/classes/sun/jvm/hotspot/interpreter/BytecodeDisassembler.java Wed Apr 21 01:13:15 2010 -0700 @@ -1,5 +1,5 @@ /* - * Copyright 2002 Sun Microsystems, Inc. All Rights Reserved. + * Copyright 2002-2010 Sun Microsystems, Inc. All Rights Reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it @@ -96,10 +96,6 @@ addBytecodeClass(Bytecodes._dstore, BytecodeStore.class); addBytecodeClass(Bytecodes._astore, BytecodeStore.class); addBytecodeClass(Bytecodes._tableswitch, BytecodeTableswitch.class); - - // only special fast_xxx cases. others are handled differently. - addBytecodeClass(Bytecodes._fast_iaccess_0, BytecodeFastAAccess0.class); - addBytecodeClass(Bytecodes._fast_aaccess_0, BytecodeFastIAccess0.class); } public BytecodeDisassembler(Method method) { diff -r 605c9707a766 -r ba07d5be2d51 agent/src/share/classes/sun/jvm/hotspot/oops/ConstantPool.java --- a/agent/src/share/classes/sun/jvm/hotspot/oops/ConstantPool.java Tue Apr 20 21:38:23 2010 -0700 +++ b/agent/src/share/classes/sun/jvm/hotspot/oops/ConstantPool.java Wed Apr 21 01:13:15 2010 -0700 @@ -1,5 +1,5 @@ /* - * Copyright 2000-2008 Sun Microsystems, Inc. All Rights Reserved. + * Copyright 2000-2010 Sun Microsystems, Inc. All Rights Reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it @@ -263,11 +263,12 @@ case JVM_CONSTANT_NameAndType: return "JVM_CONSTANT_NameAndType"; case JVM_CONSTANT_Invalid: return "JVM_CONSTANT_Invalid"; case JVM_CONSTANT_UnresolvedClass: return "JVM_CONSTANT_UnresolvedClass"; + case JVM_CONSTANT_UnresolvedClassInError: return "JVM_CONSTANT_UnresolvedClassInError"; case JVM_CONSTANT_ClassIndex: return "JVM_CONSTANT_ClassIndex"; case JVM_CONSTANT_UnresolvedString: return "JVM_CONSTANT_UnresolvedString"; case JVM_CONSTANT_StringIndex: return "JVM_CONSTANT_StringIndex"; } - throw new InternalError("unknown tag"); + throw new InternalError("Unknown tag: " + tag); } public void iterateFields(OopVisitor visitor, boolean doVMFields) { @@ -304,6 +305,7 @@ index++; break; + case JVM_CONSTANT_UnresolvedClassInError: case JVM_CONSTANT_UnresolvedClass: case JVM_CONSTANT_Class: case JVM_CONSTANT_UnresolvedString: @@ -409,6 +411,7 @@ } // case JVM_CONSTANT_ClassIndex: + case JVM_CONSTANT_UnresolvedClassInError: case JVM_CONSTANT_UnresolvedClass: { dos.writeByte(JVM_CONSTANT_Class); String klassName = getSymbolAt(ci).asString(); @@ -464,6 +467,8 @@ + ", type = " + signatureIndex); break; } + default: + throw new InternalError("unknown tag: " + cpConstType); } // switch } dos.flush(); diff -r 605c9707a766 -r ba07d5be2d51 agent/src/share/classes/sun/jvm/hotspot/runtime/ClassConstants.java --- a/agent/src/share/classes/sun/jvm/hotspot/runtime/ClassConstants.java Tue Apr 20 21:38:23 2010 -0700 +++ b/agent/src/share/classes/sun/jvm/hotspot/runtime/ClassConstants.java Wed Apr 21 01:13:15 2010 -0700 @@ -1,5 +1,5 @@ /* - * Copyright 2002-2009 Sun Microsystems, Inc. All Rights Reserved. + * Copyright 2002-2010 Sun Microsystems, Inc. All Rights Reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it @@ -58,6 +58,9 @@ // Temporary tag while constructing constant pool public static final int JVM_CONSTANT_StringIndex = 103; + // Temporary tag while constructing constant pool + public static final int JVM_CONSTANT_UnresolvedClassInError = 104; + // 1.5 major/minor version numbers from JVM spec. 3rd edition public static final short MAJOR_VERSION = 49; public static final short MINOR_VERSION = 0; diff -r 605c9707a766 -r ba07d5be2d51 agent/src/share/classes/sun/jvm/hotspot/runtime/SignatureIterator.java --- a/agent/src/share/classes/sun/jvm/hotspot/runtime/SignatureIterator.java Tue Apr 20 21:38:23 2010 -0700 +++ b/agent/src/share/classes/sun/jvm/hotspot/runtime/SignatureIterator.java Wed Apr 21 01:13:15 2010 -0700 @@ -1,5 +1,5 @@ /* - * Copyright 2001 Sun Microsystems, Inc. All Rights Reserved. + * Copyright 2001-2010 Sun Microsystems, Inc. All Rights Reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it @@ -108,7 +108,7 @@ return BasicTypeSize.getTArraySize(); } } - throw new RuntimeException("Should not reach here"); + throw new RuntimeException("Should not reach here: char " + (char)_signature.getByteAt(_index) + " @ " + _index + " in " + _signature.asString()); } protected void checkSignatureEnd() { if (_index < _signature.getLength()) { diff -r 605c9707a766 -r ba07d5be2d51 agent/src/share/classes/sun/jvm/hotspot/tools/jcore/ClassWriter.java --- a/agent/src/share/classes/sun/jvm/hotspot/tools/jcore/ClassWriter.java Tue Apr 20 21:38:23 2010 -0700 +++ b/agent/src/share/classes/sun/jvm/hotspot/tools/jcore/ClassWriter.java Wed Apr 21 01:13:15 2010 -0700 @@ -1,5 +1,5 @@ /* - * Copyright 2002-2009 Sun Microsystems, Inc. All Rights Reserved. + * Copyright 2002-2010 Sun Microsystems, Inc. All Rights Reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it @@ -238,6 +238,7 @@ } // case JVM_CONSTANT_ClassIndex: + case JVM_CONSTANT_UnresolvedClassInError: case JVM_CONSTANT_UnresolvedClass: { dos.writeByte(JVM_CONSTANT_Class); String klassName = cpool.getSymbolAt(ci).asString(); @@ -296,6 +297,8 @@ + ", type = " + signatureIndex); break; } + default: + throw new InternalError("Unknown tag: " + cpConstType); } // switch } } diff -r 605c9707a766 -r ba07d5be2d51 agent/src/share/classes/sun/jvm/hotspot/ui/FrameWrapper.java --- a/agent/src/share/classes/sun/jvm/hotspot/ui/FrameWrapper.java Tue Apr 20 21:38:23 2010 -0700 +++ b/agent/src/share/classes/sun/jvm/hotspot/ui/FrameWrapper.java Wed Apr 21 01:13:15 2010 -0700 @@ -1,5 +1,5 @@ /* - * Copyright 2001 Sun Microsystems, Inc. All Rights Reserved. + * Copyright 2001-2010 Sun Microsystems, Inc. All Rights Reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it @@ -39,7 +39,6 @@ public void setVisible(boolean visible); public void setSize(int x, int y); public void pack(); - public void show(); public void dispose(); public void setBackground(Color color); public void setResizable(boolean resizable); diff -r 605c9707a766 -r ba07d5be2d51 agent/src/share/classes/sun/jvm/hotspot/ui/classbrowser/HTMLGenerator.java --- a/agent/src/share/classes/sun/jvm/hotspot/ui/classbrowser/HTMLGenerator.java Tue Apr 20 21:38:23 2010 -0700 +++ b/agent/src/share/classes/sun/jvm/hotspot/ui/classbrowser/HTMLGenerator.java Wed Apr 21 01:13:15 2010 -0700 @@ -1,5 +1,5 @@ /* - * Copyright 2002-2008 Sun Microsystems, Inc. All Rights Reserved. + * Copyright 2002-2010 Sun Microsystems, Inc. All Rights Reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it @@ -95,8 +95,10 @@ // list tags void beginList() { beginTag("ul"); nl(); } + void endList() { endTag("ul"); nl(); } + void beginListItem() { beginTag("li"); } + void endListItem() { endTag("li"); nl(); } void li(String s) { wrap("li", s); nl(); } - void endList() { endTag("ul"); nl(); } // table tags void beginTable(int border) { @@ -505,6 +507,11 @@ buf.cell(cpool.getSymbolAt(index).asString()); break; + case JVM_CONSTANT_UnresolvedClassInError: + buf.cell("JVM_CONSTANT_UnresolvedClassInError"); + buf.cell(cpool.getSymbolAt(index).asString()); + break; + case JVM_CONSTANT_Class: buf.cell("JVM_CONSTANT_Class"); Klass klass = (Klass) cpool.getObjAt(index); @@ -564,6 +571,9 @@ buf.cell("JVM_CONSTANT_StringIndex"); buf.cell(Integer.toString(cpool.getIntAt(index))); break; + + default: + throw new InternalError("unknown tag: " + ctag); } buf.endTag("tr"); @@ -671,7 +681,16 @@ buf.cell(Integer.toString(curBci) + spaces); buf.beginTag("td"); - String instrStr = escapeHTMLSpecialChars(instr.toString()); + String instrStr = null; + try { + instrStr = escapeHTMLSpecialChars(instr.toString()); + } catch (RuntimeException re) { + buf.append("exception during bytecode processing"); + buf.endTag("td"); + buf.endTag("tr"); + re.printStackTrace(); + return; + } if (instr instanceof BytecodeNew) { BytecodeNew newBytecode = (BytecodeNew) instr; @@ -1396,9 +1415,7 @@ final SymbolFinder symFinder = createSymbolFinder(); final Disassembler disasm = createDisassembler(startPc, code); class NMethodVisitor implements InstructionVisitor { - boolean prevWasCall; public void prologue() { - prevWasCall = false; } public void visit(long currentPc, Instruction instr) { @@ -1418,8 +1435,7 @@ PCDesc pcDesc = (PCDesc) safepoints.get(longToAddress(currentPc)); - boolean isSafepoint = (pcDesc != null); - if (isSafepoint && prevWasCall) { + if (pcDesc != null) { buf.append(genSafepointInfo(nmethod, pcDesc)); } @@ -1435,11 +1451,6 @@ } buf.br(); - if (isSafepoint && !prevWasCall) { - buf.append(genSafepointInfo(nmethod, pcDesc)); - } - - prevWasCall = instr.isCall(); } public void epilogue() { @@ -1783,22 +1794,20 @@ buf.h3("Fields"); buf.beginList(); for (int f = 0; f < numFields; f += InstanceKlass.NEXT_OFFSET) { - int nameIndex = fields.getShortAt(f + InstanceKlass.NAME_INDEX_OFFSET); - int sigIndex = fields.getShortAt(f + InstanceKlass.SIGNATURE_INDEX_OFFSET); - int genSigIndex = fields.getShortAt(f + InstanceKlass.GENERIC_SIGNATURE_INDEX_OFFSET); - Symbol f_name = cp.getSymbolAt(nameIndex); - Symbol f_sig = cp.getSymbolAt(sigIndex); - Symbol f_genSig = (genSigIndex != 0)? cp.getSymbolAt(genSigIndex) : null; - AccessFlags acc = new AccessFlags(fields.getShortAt(f + InstanceKlass.ACCESS_FLAGS_OFFSET)); + sun.jvm.hotspot.oops.Field field = klass.getFieldByIndex(f); + String f_name = ((NamedFieldIdentifier)field.getID()).getName(); + Symbol f_sig = field.getSignature(); + Symbol f_genSig = field.getGenericSignature(); + AccessFlags acc = field.getAccessFlagsObj(); - buf.beginTag("li"); + buf.beginListItem(); buf.append(genFieldModifierString(acc)); buf.append(' '); Formatter sigBuf = new Formatter(genHTML); new SignatureConverter(f_sig, sigBuf.getBuffer()).dispatchField(); buf.append(sigBuf.toString().replace('/', '.')); buf.append(' '); - buf.append(f_name.asString()); + buf.append(f_name); buf.append(';'); // is it generic? if (f_genSig != null) { @@ -1806,7 +1815,8 @@ buf.append(escapeHTMLSpecialChars(f_genSig.asString())); buf.append("] "); } - buf.endTag("li"); + buf.append(" (offset = " + field.getOffset() + ")"); + buf.endListItem(); } buf.endList(); } diff -r 605c9707a766 -r ba07d5be2d51 agent/src/share/classes/sun/jvm/hotspot/utilities/Assert.java --- a/agent/src/share/classes/sun/jvm/hotspot/utilities/Assert.java Tue Apr 20 21:38:23 2010 -0700 +++ b/agent/src/share/classes/sun/jvm/hotspot/utilities/Assert.java Wed Apr 21 01:13:15 2010 -0700 @@ -1,5 +1,5 @@ /* - * Copyright 2000-2005 Sun Microsystems, Inc. All Rights Reserved. + * Copyright 2000-2010 Sun Microsystems, Inc. All Rights Reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it @@ -28,7 +28,7 @@ public static boolean ASSERTS_ENABLED = true; public static void that(boolean test, String message) { - if (!test) { + if (ASSERTS_ENABLED && !test) { throw new AssertionFailure(message); } } diff -r 605c9707a766 -r ba07d5be2d51 src/cpu/sparc/vm/c1_LIRAssembler_sparc.cpp --- a/src/cpu/sparc/vm/c1_LIRAssembler_sparc.cpp Tue Apr 20 21:38:23 2010 -0700 +++ b/src/cpu/sparc/vm/c1_LIRAssembler_sparc.cpp Wed Apr 21 01:13:15 2010 -0700 @@ -388,6 +388,60 @@ } +// Emit the code to remove the frame from the stack in the exception +// unwind path. +int LIR_Assembler::emit_unwind_handler() { +#ifndef PRODUCT + if (CommentedAssembly) { + _masm->block_comment("Unwind handler"); + } +#endif + + int offset = code_offset(); + + // Fetch the exception from TLS and clear out exception related thread state + __ ld_ptr(G2_thread, in_bytes(JavaThread::exception_oop_offset()), O0); + __ st_ptr(G0, G2_thread, in_bytes(JavaThread::exception_oop_offset())); + __ st_ptr(G0, G2_thread, in_bytes(JavaThread::exception_pc_offset())); + + __ bind(_unwind_handler_entry); + __ verify_not_null_oop(O0); + if (method()->is_synchronized() || compilation()->env()->dtrace_method_probes()) { + __ mov(O0, I0); // Preserve the exception + } + + // Preform needed unlocking + MonitorExitStub* stub = NULL; + if (method()->is_synchronized()) { + monitor_address(0, FrameMap::I1_opr); + stub = new MonitorExitStub(FrameMap::I1_opr, true, 0); + __ unlock_object(I3, I2, I1, *stub->entry()); + __ bind(*stub->continuation()); + } + + if (compilation()->env()->dtrace_method_probes()) { + jobject2reg(method()->constant_encoding(), O0); + __ call(CAST_FROM_FN_PTR(address, SharedRuntime::dtrace_method_exit), relocInfo::runtime_call_type); + __ delayed()->nop(); + } + + if (method()->is_synchronized() || compilation()->env()->dtrace_method_probes()) { + __ mov(I0, O0); // Restore the exception + } + + // dispatch to the unwind logic + __ call(Runtime1::entry_for(Runtime1::unwind_exception_id), relocInfo::runtime_call_type); + __ delayed()->nop(); + + // Emit the slow path assembly + if (stub != NULL) { + stub->emit_code(this); + } + + return offset; +} + + int LIR_Assembler::emit_deopt_handler() { // if the last instruction is a call (typically to do a throw which // is coming at the end after block reordering) the return address @@ -2050,26 +2104,29 @@ } -void LIR_Assembler::throw_op(LIR_Opr exceptionPC, LIR_Opr exceptionOop, CodeEmitInfo* info, bool unwind) { +void LIR_Assembler::throw_op(LIR_Opr exceptionPC, LIR_Opr exceptionOop, CodeEmitInfo* info) { assert(exceptionOop->as_register() == Oexception, "should match"); - assert(unwind || exceptionPC->as_register() == Oissuing_pc, "should match"); + assert(exceptionPC->as_register() == Oissuing_pc, "should match"); info->add_register_oop(exceptionOop); - if (unwind) { - __ call(Runtime1::entry_for(Runtime1::unwind_exception_id), relocInfo::runtime_call_type); - __ delayed()->nop(); - } else { - // reuse the debug info from the safepoint poll for the throw op itself - address pc_for_athrow = __ pc(); - int pc_for_athrow_offset = __ offset(); - RelocationHolder rspec = internal_word_Relocation::spec(pc_for_athrow); - __ set(pc_for_athrow, Oissuing_pc, rspec); - add_call_info(pc_for_athrow_offset, info); // for exception handler - - __ call(Runtime1::entry_for(Runtime1::handle_exception_id), relocInfo::runtime_call_type); - __ delayed()->nop(); - } + // reuse the debug info from the safepoint poll for the throw op itself + address pc_for_athrow = __ pc(); + int pc_for_athrow_offset = __ offset(); + RelocationHolder rspec = internal_word_Relocation::spec(pc_for_athrow); + __ set(pc_for_athrow, Oissuing_pc, rspec); + add_call_info(pc_for_athrow_offset, info); // for exception handler + + __ call(Runtime1::entry_for(Runtime1::handle_exception_id), relocInfo::runtime_call_type); + __ delayed()->nop(); +} + + +void LIR_Assembler::unwind_op(LIR_Opr exceptionOop) { + assert(exceptionOop->as_register() == Oexception, "should match"); + + __ br(Assembler::always, false, Assembler::pt, _unwind_handler_entry); + __ delayed()->nop(); } @@ -2358,7 +2415,7 @@ if (UseSlowPath || (!UseFastNewObjectArray && (op->type() == T_OBJECT || op->type() == T_ARRAY)) || (!UseFastNewTypeArray && (op->type() != T_OBJECT && op->type() != T_ARRAY))) { - __ br(Assembler::always, false, Assembler::pn, *op->stub()->entry()); + __ br(Assembler::always, false, Assembler::pt, *op->stub()->entry()); __ delayed()->nop(); } else { __ allocate_array(op->obj()->as_register(), diff -r 605c9707a766 -r ba07d5be2d51 src/cpu/x86/vm/c1_LIRAssembler_x86.cpp --- a/src/cpu/x86/vm/c1_LIRAssembler_x86.cpp Tue Apr 20 21:38:23 2010 -0700 +++ b/src/cpu/x86/vm/c1_LIRAssembler_x86.cpp Wed Apr 21 01:13:15 2010 -0700 @@ -455,6 +455,60 @@ } +// Emit the code to remove the frame from the stack in the exception +// unwind path. +int LIR_Assembler::emit_unwind_handler() { +#ifndef PRODUCT + if (CommentedAssembly) { + _masm->block_comment("Unwind handler"); + } +#endif + + int offset = code_offset(); + + // Fetch the exception from TLS and clear out exception related thread state + __ get_thread(rsi); + __ movptr(rax, Address(rsi, JavaThread::exception_oop_offset())); + __ movptr(Address(rsi, JavaThread::exception_oop_offset()), (int32_t)NULL_WORD); + __ movptr(Address(rsi, JavaThread::exception_pc_offset()), (int32_t)NULL_WORD); + + __ bind(_unwind_handler_entry); + __ verify_not_null_oop(rax); + if (method()->is_synchronized() || compilation()->env()->dtrace_method_probes()) { + __ mov(rsi, rax); // Preserve the exception + } + + // Preform needed unlocking + MonitorExitStub* stub = NULL; + if (method()->is_synchronized()) { + monitor_address(0, FrameMap::rax_opr); + stub = new MonitorExitStub(FrameMap::rax_opr, true, 0); + __ unlock_object(rdi, rbx, rax, *stub->entry()); + __ bind(*stub->continuation()); + } + + if (compilation()->env()->dtrace_method_probes()) { + __ movoop(Address(rsp, 0), method()->constant_encoding()); + __ call(RuntimeAddress(CAST_FROM_FN_PTR(address, SharedRuntime::dtrace_method_exit))); + } + + if (method()->is_synchronized() || compilation()->env()->dtrace_method_probes()) { + __ mov(rax, rsi); // Restore the exception + } + + // remove the activation and dispatch to the unwind handler + __ remove_frame(initial_frame_size_in_bytes()); + __ jump(RuntimeAddress(Runtime1::entry_for(Runtime1::unwind_exception_id))); + + // Emit the slow path assembly + if (stub != NULL) { + stub->emit_code(this); + } + + return offset; +} + + int LIR_Assembler::emit_deopt_handler() { // if the last instruction is a call (typically to do a throw which // is coming at the end after block reordering) the return address @@ -2795,42 +2849,43 @@ } -void LIR_Assembler::throw_op(LIR_Opr exceptionPC, LIR_Opr exceptionOop, CodeEmitInfo* info, bool unwind) { +void LIR_Assembler::throw_op(LIR_Opr exceptionPC, LIR_Opr exceptionOop, CodeEmitInfo* info) { assert(exceptionOop->as_register() == rax, "must match"); - assert(unwind || exceptionPC->as_register() == rdx, "must match"); + assert(exceptionPC->as_register() == rdx, "must match"); // exception object is not added to oop map by LinearScan // (LinearScan assumes that no oops are in fixed registers) info->add_register_oop(exceptionOop); Runtime1::StubID unwind_id; - if (!unwind) { - // get current pc information - // pc is only needed if the method has an exception handler, the unwind code does not need it. - int pc_for_athrow_offset = __ offset(); - InternalAddress pc_for_athrow(__ pc()); - __ lea(exceptionPC->as_register(), pc_for_athrow); - add_call_info(pc_for_athrow_offset, info); // for exception handler - - __ verify_not_null_oop(rax); - // search an exception handler (rax: exception oop, rdx: throwing pc) - if (compilation()->has_fpu_code()) { - unwind_id = Runtime1::handle_exception_id; - } else { - unwind_id = Runtime1::handle_exception_nofpu_id; - } - __ call(RuntimeAddress(Runtime1::entry_for(unwind_id))); + // get current pc information + // pc is only needed if the method has an exception handler, the unwind code does not need it. + int pc_for_athrow_offset = __ offset(); + InternalAddress pc_for_athrow(__ pc()); + __ lea(exceptionPC->as_register(), pc_for_athrow); + add_call_info(pc_for_athrow_offset, info); // for exception handler + + __ verify_not_null_oop(rax); + // search an exception handler (rax: exception oop, rdx: throwing pc) + if (compilation()->has_fpu_code()) { + unwind_id = Runtime1::handle_exception_id; } else { - // remove the activation - __ remove_frame(initial_frame_size_in_bytes()); - __ jump(RuntimeAddress(Runtime1::entry_for(Runtime1::unwind_exception_id))); + unwind_id = Runtime1::handle_exception_nofpu_id; } + __ call(RuntimeAddress(Runtime1::entry_for(unwind_id))); // enough room for two byte trap __ nop(); } +void LIR_Assembler::unwind_op(LIR_Opr exceptionOop) { + assert(exceptionOop->as_register() == rax, "must match"); + + __ jmp(_unwind_handler_entry); +} + + void LIR_Assembler::shift_op(LIR_Code code, LIR_Opr left, LIR_Opr count, LIR_Opr dest, LIR_Opr tmp) { // optimized version for linear scan: diff -r 605c9707a766 -r ba07d5be2d51 src/cpu/zero/vm/cppInterpreter_zero.cpp --- a/src/cpu/zero/vm/cppInterpreter_zero.cpp Tue Apr 20 21:38:23 2010 -0700 +++ b/src/cpu/zero/vm/cppInterpreter_zero.cpp Wed Apr 21 01:13:15 2010 -0700 @@ -39,21 +39,9 @@ void CppInterpreter::normal_entry(methodOop method, intptr_t UNUSED, TRAPS) { JavaThread *thread = (JavaThread *) THREAD; - ZeroStack *stack = thread->zero_stack(); - - // Adjust the caller's stack frame to accomodate any additional - // local variables we have contiguously with our parameters. - int extra_locals = method->max_locals() - method->size_of_parameters(); - if (extra_locals > 0) { - if (extra_locals > stack->available_words()) { - Unimplemented(); - } - for (int i = 0; i < extra_locals; i++) - stack->push(0); - } // Allocate and initialize our frame. - InterpreterFrame *frame = InterpreterFrame::build(stack, method, thread); + InterpreterFrame *frame = InterpreterFrame::build(method, CHECK); thread->push_zero_frame(frame); // Execute those bytecodes! @@ -76,12 +64,6 @@ intptr_t *result = NULL; int result_slots = 0; - // Check we're not about to run out of stack - if (stack_overflow_imminent(thread)) { - CALL_VM_NOCHECK(InterpreterRuntime::throw_StackOverflowError(thread)); - goto unwind_and_return; - } - while (true) { // We can set up the frame anchor with everything we want at // this point as we are thread_in_Java and no safepoints can @@ -123,9 +105,9 @@ int monitor_words = frame::interpreter_frame_monitor_size(); // Allocate the space - if (monitor_words > stack->available_words()) { - Unimplemented(); - } + stack->overflow_check(monitor_words, THREAD); + if (HAS_PENDING_EXCEPTION) + break; stack->alloc(monitor_words * wordSize); // Move the expression stack contents @@ -172,8 +154,6 @@ } } - unwind_and_return: - // Unwind the current frame thread->pop_zero_frame(); @@ -193,17 +173,11 @@ ZeroStack *stack = thread->zero_stack(); // Allocate and initialize our frame - InterpreterFrame *frame = InterpreterFrame::build(stack, method, thread); + InterpreterFrame *frame = InterpreterFrame::build(method, CHECK); thread->push_zero_frame(frame); interpreterState istate = frame->interpreter_state(); intptr_t *locals = istate->locals(); - // Check we're not about to run out of stack - if (stack_overflow_imminent(thread)) { - CALL_VM_NOCHECK(InterpreterRuntime::throw_StackOverflowError(thread)); - goto unwind_and_return; - } - // Update the invocation counter if ((UseCompiler || CountCompiledCalls) && !method->is_synchronized()) { InvocationCounter *counter = method->invocation_counter(); @@ -264,9 +238,10 @@ assert(function != NULL, "should be set if signature handler is"); // Build the argument list - if (handler->argument_count() * 2 > stack->available_words()) { - Unimplemented(); - } + stack->overflow_check(handler->argument_count() * 2, THREAD); + if (HAS_PENDING_EXCEPTION) + goto unlock_unwind_and_return; + void **arguments; void *mirror; { arguments = @@ -503,9 +478,7 @@ switch (entry->flag_state()) { case ltos: case dtos: - if (stack->available_words() < 1) { - Unimplemented(); - } + stack->overflow_check(1, CHECK); stack->alloc(wordSize); break; } @@ -601,39 +574,30 @@ stack->set_sp(stack->sp() + method->size_of_parameters()); } -bool CppInterpreter::stack_overflow_imminent(JavaThread *thread) { - // How is the ABI stack? - address stack_top = thread->stack_base() - thread->stack_size(); - int free_stack = os::current_stack_pointer() - stack_top; - if (free_stack < StackShadowPages * os::vm_page_size()) { - return true; - } +InterpreterFrame *InterpreterFrame::build(const methodOop method, TRAPS) { + JavaThread *thread = (JavaThread *) THREAD; + ZeroStack *stack = thread->zero_stack(); + + // Calculate the size of the frame we'll build, including + // any adjustments to the caller's frame that we'll make. + int extra_locals = 0; + int monitor_words = 0; + int stack_words = 0; - // How is the Zero stack? - // Throwing a StackOverflowError involves a VM call, which means - // we need a frame on the stack. We should be checking here to - // ensure that methods we call have enough room to install the - // largest possible frame, but that's more than twice the size - // of the entire Zero stack we get by default, so we just check - // we have *some* space instead... - free_stack = thread->zero_stack()->available_words() * wordSize; - if (free_stack < StackShadowPages * os::vm_page_size()) { - return true; + if (!method->is_native()) { + extra_locals = method->max_locals() - method->size_of_parameters(); + stack_words = method->max_stack(); } + if (method->is_synchronized()) { + monitor_words = frame::interpreter_frame_monitor_size(); + } + stack->overflow_check( + extra_locals + header_words + monitor_words + stack_words, CHECK_NULL); - return false; -} - -InterpreterFrame *InterpreterFrame::build(ZeroStack* stack, - const methodOop method, - JavaThread* thread) { - int monitor_words = - method->is_synchronized() ? frame::interpreter_frame_monitor_size() : 0; - int stack_words = method->is_native() ? 0 : method->max_stack(); - - if (header_words + monitor_words + stack_words > stack->available_words()) { - Unimplemented(); - } + // Adjust the caller's stack frame to accomodate any additional + // local variables we have contiguously with our parameters. + for (int i = 0; i < extra_locals; i++) + stack->push(0); intptr_t *locals; if (method->is_native()) @@ -812,14 +776,13 @@ // Deoptimization helpers -InterpreterFrame *InterpreterFrame::build(ZeroStack* stack, int size) { +InterpreterFrame *InterpreterFrame::build(int size, TRAPS) { + ZeroStack *stack = ((JavaThread *) THREAD)->zero_stack(); + int size_in_words = size >> LogBytesPerWord; assert(size_in_words * wordSize == size, "unaligned"); assert(size_in_words >= header_words, "too small"); - - if (size_in_words > stack->available_words()) { - Unimplemented(); - } + stack->overflow_check(size_in_words, CHECK_NULL); stack->push(0); // next_frame, filled in later intptr_t *fp = stack->sp(); diff -r 605c9707a766 -r ba07d5be2d51 src/cpu/zero/vm/cppInterpreter_zero.hpp --- a/src/cpu/zero/vm/cppInterpreter_zero.hpp Tue Apr 20 21:38:23 2010 -0700 +++ b/src/cpu/zero/vm/cppInterpreter_zero.hpp Wed Apr 21 01:13:15 2010 -0700 @@ -39,9 +39,5 @@ static void main_loop(int recurse, TRAPS); private: - // Stack overflow checks - static bool stack_overflow_imminent(JavaThread *thread); - - private: // Fast result type determination static BasicType result_type_of(methodOop method); diff -r 605c9707a766 -r ba07d5be2d51 src/cpu/zero/vm/entryFrame_zero.hpp --- a/src/cpu/zero/vm/entryFrame_zero.hpp Tue Apr 20 21:38:23 2010 -0700 +++ b/src/cpu/zero/vm/entryFrame_zero.hpp Wed Apr 21 01:13:15 2010 -0700 @@ -1,6 +1,6 @@ /* * Copyright 2003-2007 Sun Microsystems, Inc. All Rights Reserved. - * Copyright 2008 Red Hat, Inc. + * Copyright 2008, 2010 Red Hat, Inc. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it @@ -47,10 +47,10 @@ }; public: - static EntryFrame *build(ZeroStack* stack, - const intptr_t* parameters, + static EntryFrame *build(const intptr_t* parameters, int parameter_words, - JavaCallWrapper* call_wrapper); + JavaCallWrapper* call_wrapper, + TRAPS); public: JavaCallWrapper *call_wrapper() const { return (JavaCallWrapper *) value_of_word(call_wrapper_off); diff -r 605c9707a766 -r ba07d5be2d51 src/cpu/zero/vm/fakeStubFrame_zero.hpp --- a/src/cpu/zero/vm/fakeStubFrame_zero.hpp Tue Apr 20 21:38:23 2010 -0700 +++ b/src/cpu/zero/vm/fakeStubFrame_zero.hpp Wed Apr 21 01:13:15 2010 -0700 @@ -1,6 +1,6 @@ /* * Copyright 2003-2007 Sun Microsystems, Inc. All Rights Reserved. - * Copyright 2008 Red Hat, Inc. + * Copyright 2008, 2010 Red Hat, Inc. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it @@ -42,7 +42,7 @@ }; public: - static FakeStubFrame *build(ZeroStack* stack); + static FakeStubFrame *build(TRAPS); public: void identify_word(int frame_index, diff -r 605c9707a766 -r ba07d5be2d51 src/cpu/zero/vm/globals_zero.hpp --- a/src/cpu/zero/vm/globals_zero.hpp Tue Apr 20 21:38:23 2010 -0700 +++ b/src/cpu/zero/vm/globals_zero.hpp Wed Apr 21 01:13:15 2010 -0700 @@ -35,6 +35,7 @@ define_pd_global(bool, UncommonNullCast, true); define_pd_global(intx, CodeEntryAlignment, 32); +define_pd_global(intx, OptoLoopAlignment, 16); define_pd_global(intx, InlineFrequencyCount, 100); define_pd_global(intx, PreInflateSpin, 10); diff -r 605c9707a766 -r ba07d5be2d51 src/cpu/zero/vm/interpreterFrame_zero.hpp --- a/src/cpu/zero/vm/interpreterFrame_zero.hpp Tue Apr 20 21:38:23 2010 -0700 +++ b/src/cpu/zero/vm/interpreterFrame_zero.hpp Wed Apr 21 01:13:15 2010 -0700 @@ -1,6 +1,6 @@ /* * Copyright 2003-2007 Sun Microsystems, Inc. All Rights Reserved. - * Copyright 2008 Red Hat, Inc. + * Copyright 2008, 2010 Red Hat, Inc. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it @@ -55,10 +55,8 @@ }; public: - static InterpreterFrame *build(ZeroStack* stack, - const methodOop method, - JavaThread* thread); - static InterpreterFrame *build(ZeroStack* stack, int size); + static InterpreterFrame *build(const methodOop method, TRAPS); + static InterpreterFrame *build(int size, TRAPS); public: interpreterState interpreter_state() const { diff -r 605c9707a766 -r ba07d5be2d51 src/cpu/zero/vm/interpreterRT_zero.cpp --- a/src/cpu/zero/vm/interpreterRT_zero.cpp Tue Apr 20 21:38:23 2010 -0700 +++ b/src/cpu/zero/vm/interpreterRT_zero.cpp Wed Apr 21 01:13:15 2010 -0700 @@ -1,6 +1,6 @@ /* * Copyright 2003-2005 Sun Microsystems, Inc. All Rights Reserved. - * Copyright 2007, 2008 Red Hat, Inc. + * Copyright 2007, 2008, 2010 Red Hat, Inc. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it @@ -140,9 +140,8 @@ int required_words = (align_size_up(sizeof(ffi_cif), wordSize) >> LogBytesPerWord) + (method->is_static() ? 2 : 1) + method->size_of_parameters() + 1; - if (required_words > stack->available_words()) { - Unimplemented(); - } + + stack->overflow_check(required_words, CHECK_NULL); intptr_t *buf = (intptr_t *) stack->alloc(required_words * wordSize); SlowSignatureHandlerGenerator sshg(methodHandle(thread, method), buf); diff -r 605c9707a766 -r ba07d5be2d51 src/cpu/zero/vm/stack_zero.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/cpu/zero/vm/stack_zero.cpp Wed Apr 21 01:13:15 2010 -0700 @@ -0,0 +1,73 @@ +/* + * Copyright 2003-2007 Sun Microsystems, Inc. All Rights Reserved. + * Copyright 2010 Red Hat, Inc. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, + * CA 95054 USA or visit www.sun.com if you need additional information or + * have any questions. + * + */ + +#include "incls/_precompiled.incl" +#include "incls/_stack_zero.cpp.incl" + +void ZeroStack::handle_overflow(TRAPS) { + JavaThread *thread = (JavaThread *) THREAD; + + // Set up the frame anchor if it isn't already + bool has_last_Java_frame = thread->has_last_Java_frame(); + if (!has_last_Java_frame) { + ZeroFrame *frame = thread->top_zero_frame(); + while (frame) { + if (frame->is_shark_frame()) + break; + + if (frame->is_interpreter_frame()) { + interpreterState istate = + frame->as_interpreter_frame()->interpreter_state(); + if (istate->self_link() == istate) + break; + } + + frame = frame->next(); + } + + if (frame == NULL) + fatal("unrecoverable stack overflow"); + + thread->set_last_Java_frame(frame); + } + + // Throw the exception + switch (thread->thread_state()) { + case _thread_in_Java: + InterpreterRuntime::throw_StackOverflowError(thread); + break; + + case _thread_in_vm: + Exceptions::throw_stack_overflow_exception(thread, __FILE__, __LINE__); + break; + + default: + ShouldNotReachHere(); + } + + // Reset the frame anchor if necessary + if (!has_last_Java_frame) + thread->reset_last_Java_frame(); +} diff -r 605c9707a766 -r ba07d5be2d51 src/cpu/zero/vm/stack_zero.hpp --- a/src/cpu/zero/vm/stack_zero.hpp Tue Apr 20 21:38:23 2010 -0700 +++ b/src/cpu/zero/vm/stack_zero.hpp Wed Apr 21 01:13:15 2010 -0700 @@ -1,6 +1,6 @@ /* * Copyright 2003-2007 Sun Microsystems, Inc. All Rights Reserved. - * Copyright 2008, 2009 Red Hat, Inc. + * Copyright 2008, 2009, 2010 Red Hat, Inc. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it @@ -29,9 +29,14 @@ intptr_t *_top; // the word past the end of the stack intptr_t *_sp; // the top word on the stack + private: + int _shadow_pages_size; // how much ABI stack must we keep free? + public: ZeroStack() - : _base(NULL), _top(NULL), _sp(NULL) {} + : _base(NULL), _top(NULL), _sp(NULL) { + _shadow_pages_size = StackShadowPages * os::vm_page_size(); + } bool needs_setup() const { return _base == NULL; @@ -81,6 +86,14 @@ return _sp -= count; } + int shadow_pages_size() const { + return _shadow_pages_size; + } + + public: + void overflow_check(int required_words, TRAPS); + static void handle_overflow(TRAPS); + public: static ByteSize base_offset() { return byte_offset_of(ZeroStack, _base); diff -r 605c9707a766 -r ba07d5be2d51 src/cpu/zero/vm/stack_zero.inline.hpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/cpu/zero/vm/stack_zero.inline.hpp Wed Apr 21 01:13:15 2010 -0700 @@ -0,0 +1,43 @@ +/* + * Copyright 2003-2007 Sun Microsystems, Inc. All Rights Reserved. + * Copyright 2010 Red Hat, Inc. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, + * CA 95054 USA or visit www.sun.com if you need additional information or + * have any questions. + * + */ + +// This function should match SharkStack::CreateStackOverflowCheck +inline void ZeroStack::overflow_check(int required_words, TRAPS) { + JavaThread *thread = (JavaThread *) THREAD; + + // Check the Zero stack + if (required_words > available_words()) { + handle_overflow(THREAD); + return; + } + + // Check the ABI stack + address stack_top = thread->stack_base() - thread->stack_size(); + int free_stack = ((address) &stack_top) - stack_top; + if (free_stack < shadow_pages_size()) { + handle_overflow(THREAD); + return; + } +} diff -r 605c9707a766 -r ba07d5be2d51 src/cpu/zero/vm/stubGenerator_zero.cpp --- a/src/cpu/zero/vm/stubGenerator_zero.cpp Tue Apr 20 21:38:23 2010 -0700 +++ b/src/cpu/zero/vm/stubGenerator_zero.cpp Wed Apr 21 01:13:15 2010 -0700 @@ -1,6 +1,6 @@ /* * Copyright 2003-2007 Sun Microsystems, Inc. All Rights Reserved. - * Copyright 2007, 2008 Red Hat, Inc. + * Copyright 2007, 2008, 2010 Red Hat, Inc. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it @@ -60,38 +60,43 @@ } // Allocate and initialize our frame - thread->push_zero_frame( - EntryFrame::build(stack, parameters, parameter_words, call_wrapper)); + EntryFrame *frame = + EntryFrame::build(parameters, parameter_words, call_wrapper, THREAD); - // Make the call - Interpreter::invoke_method(method, entry_point, THREAD); - - // Store result depending on type if (!HAS_PENDING_EXCEPTION) { - switch (result_type) { - case T_INT: - *(jint *) result = *(jint *) stack->sp(); - break; - case T_LONG: - *(jlong *) result = *(jlong *) stack->sp(); - break; - case T_FLOAT: - *(jfloat *) result = *(jfloat *) stack->sp(); - break; - case T_DOUBLE: - *(jdouble *) result = *(jdouble *) stack->sp(); - break; - case T_OBJECT: - *(oop *) result = *(oop *) stack->sp(); - break; - default: - ShouldNotReachHere(); + // Push the frame + thread->push_zero_frame(frame); + + // Make the call + Interpreter::invoke_method(method, entry_point, THREAD); + + // Store the result + if (!HAS_PENDING_EXCEPTION) { + switch (result_type) { + case T_INT: + *(jint *) result = *(jint *) stack->sp(); + break; + case T_LONG: + *(jlong *) result = *(jlong *) stack->sp(); + break; + case T_FLOAT: + *(jfloat *) result = *(jfloat *) stack->sp(); + break; + case T_DOUBLE: + *(jdouble *) result = *(jdouble *) stack->sp(); + break; + case T_OBJECT: + *(oop *) result = *(oop *) stack->sp(); + break; + default: + ShouldNotReachHere(); + } } + + // Unwind the frame + thread->pop_zero_frame(); } - // Unwind our frame - thread->pop_zero_frame(); - // Tear down the stack if necessary if (stack_needs_teardown) stack->teardown(); @@ -226,13 +231,13 @@ StubGenerator g(code, all); } -EntryFrame *EntryFrame::build(ZeroStack* stack, - const intptr_t* parameters, +EntryFrame *EntryFrame::build(const intptr_t* parameters, int parameter_words, - JavaCallWrapper* call_wrapper) { - if (header_words + parameter_words > stack->available_words()) { - Unimplemented(); - } + JavaCallWrapper* call_wrapper, + TRAPS) { + + ZeroStack *stack = ((JavaThread *) THREAD)->zero_stack(); + stack->overflow_check(header_words + parameter_words, CHECK_NULL); stack->push(0); // next_frame, filled in later intptr_t *fp = stack->sp(); diff -r 605c9707a766 -r ba07d5be2d51 src/os_cpu/linux_zero/vm/thread_linux_zero.hpp --- a/src/os_cpu/linux_zero/vm/thread_linux_zero.hpp Tue Apr 20 21:38:23 2010 -0700 +++ b/src/os_cpu/linux_zero/vm/thread_linux_zero.hpp Wed Apr 21 01:13:15 2010 -0700 @@ -1,6 +1,6 @@ /* * Copyright 2000-2007 Sun Microsystems, Inc. All Rights Reserved. - * Copyright 2007, 2008, 2009 Red Hat, Inc. + * Copyright 2007, 2008, 2009, 2010 Red Hat, Inc. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it @@ -68,12 +68,13 @@ public: void set_last_Java_frame() { - JavaFrameAnchor *jfa = frame_anchor(); - jfa->set_last_Java_sp((intptr_t *) top_zero_frame()); + set_last_Java_frame(top_zero_frame()); } void reset_last_Java_frame() { - JavaFrameAnchor *jfa = frame_anchor(); - jfa->set_last_Java_sp(NULL); + set_last_Java_frame(NULL); + } + void set_last_Java_frame(ZeroFrame* frame) { + frame_anchor()->set_last_Java_sp((intptr_t *) frame); } private: diff -r 605c9707a766 -r ba07d5be2d51 src/share/vm/asm/codeBuffer.hpp --- a/src/share/vm/asm/codeBuffer.hpp Tue Apr 20 21:38:23 2010 -0700 +++ b/src/share/vm/asm/codeBuffer.hpp Wed Apr 21 01:13:15 2010 -0700 @@ -40,6 +40,7 @@ Exceptions, // Offset where exception handler lives Deopt, // Offset where deopt handler lives DeoptMH, // Offset where MethodHandle deopt handler lives + UnwindHandler, // Offset to default unwind handler max_Entries }; // special value to note codeBlobs where profile (forte) stack walking is @@ -59,6 +60,7 @@ _values[Exceptions ] = -1; _values[Deopt ] = -1; _values[DeoptMH ] = -1; + _values[UnwindHandler ] = -1; } int value(Entries e) { return _values[e]; } diff -r 605c9707a766 -r ba07d5be2d51 src/share/vm/c1/c1_Compilation.cpp --- a/src/share/vm/c1/c1_Compilation.cpp Tue Apr 20 21:38:23 2010 -0700 +++ b/src/share/vm/c1/c1_Compilation.cpp Wed Apr 21 01:13:15 2010 -0700 @@ -229,6 +229,10 @@ code_offsets->set_value(CodeOffsets::DeoptMH, assembler->emit_deopt_handler()); CHECK_BAILOUT(); + // Emit the handler to remove the activation from the stack and + // dispatch to the caller. + offsets()->set_value(CodeOffsets::UnwindHandler, assembler->emit_unwind_handler()); + // done masm()->flush(); } diff -r 605c9707a766 -r ba07d5be2d51 src/share/vm/c1/c1_GraphBuilder.cpp --- a/src/share/vm/c1/c1_GraphBuilder.cpp Tue Apr 20 21:38:23 2010 -0700 +++ b/src/share/vm/c1/c1_GraphBuilder.cpp Wed Apr 21 01:13:15 2010 -0700 @@ -829,12 +829,8 @@ // should be left alone since there can be only one and all code // should dispatch to the same one. XHandler* h = handlers->handler_at(i); - if (h->handler_bci() != SynchronizationEntryBCI) { - h->set_entry_block(block_at(h->handler_bci())); - } else { - assert(h->entry_block()->is_set(BlockBegin::default_exception_handler_flag), - "should be the synthetic unlock block"); - } + assert(h->handler_bci() != SynchronizationEntryBCI, "must be real"); + h->set_entry_block(block_at(h->handler_bci())); } _jsr_xhandlers = handlers; } @@ -2867,19 +2863,6 @@ _initial_state = state_at_entry(); start_block->merge(_initial_state); - // setup an exception handler to do the unlocking and/or - // notification and unwind the frame. - BlockBegin* sync_handler = new BlockBegin(-1); - sync_handler->set(BlockBegin::exception_entry_flag); - sync_handler->set(BlockBegin::is_on_work_list_flag); - sync_handler->set(BlockBegin::default_exception_handler_flag); - - ciExceptionHandler* desc = new ciExceptionHandler(method()->holder(), 0, method()->code_size(), -1, 0); - XHandler* h = new XHandler(desc); - h->set_entry_block(sync_handler); - scope_data()->xhandlers()->append(h); - scope_data()->set_has_handler(); - // complete graph _vmap = new ValueMap(); scope->compute_lock_stack_size(); @@ -2930,19 +2913,6 @@ } CHECK_BAILOUT(); - if (sync_handler && sync_handler->state() != NULL) { - Value lock = NULL; - if (method()->is_synchronized()) { - lock = method()->is_static() ? new Constant(new InstanceConstant(method()->holder()->java_mirror())) : - _initial_state->local_at(0); - - sync_handler->state()->unlock(); - sync_handler->state()->lock(scope, lock); - - } - fill_sync_handler(lock, sync_handler, true); - } - _start = setup_start_block(osr_bci, start_block, _osr_entry, _initial_state); eliminate_redundant_phis(_start); diff -r 605c9707a766 -r ba07d5be2d51 src/share/vm/c1/c1_Instruction.hpp --- a/src/share/vm/c1/c1_Instruction.hpp Tue Apr 20 21:38:23 2010 -0700 +++ b/src/share/vm/c1/c1_Instruction.hpp Wed Apr 21 01:13:15 2010 -0700 @@ -1628,11 +1628,10 @@ backward_branch_target_flag = 1 << 4, is_on_work_list_flag = 1 << 5, was_visited_flag = 1 << 6, - default_exception_handler_flag = 1 << 8, // identify block which represents the default exception handler - parser_loop_header_flag = 1 << 9, // set by parser to identify blocks where phi functions can not be created on demand - critical_edge_split_flag = 1 << 10, // set for all blocks that are introduced when critical edges are split - linear_scan_loop_header_flag = 1 << 11, // set during loop-detection for LinearScan - linear_scan_loop_end_flag = 1 << 12 // set during loop-detection for LinearScan + parser_loop_header_flag = 1 << 7, // set by parser to identify blocks where phi functions can not be created on demand + critical_edge_split_flag = 1 << 8, // set for all blocks that are introduced when critical edges are split + linear_scan_loop_header_flag = 1 << 9, // set during loop-detection for LinearScan + linear_scan_loop_end_flag = 1 << 10 // set during loop-detection for LinearScan }; void set(Flag f) { _flags |= f; } diff -r 605c9707a766 -r ba07d5be2d51 src/share/vm/c1/c1_LIR.cpp --- a/src/share/vm/c1/c1_LIR.cpp Tue Apr 20 21:38:23 2010 -0700 +++ b/src/share/vm/c1/c1_LIR.cpp Wed Apr 21 01:13:15 2010 -0700 @@ -626,8 +626,7 @@ break; } - case lir_throw: - case lir_unwind: { + case lir_throw: { assert(op->as_Op2() != NULL, "must be"); LIR_Op2* op2 = (LIR_Op2*)op; @@ -639,6 +638,17 @@ break; } + case lir_unwind: { + assert(op->as_Op1() != NULL, "must be"); + LIR_Op1* op1 = (LIR_Op1*)op; + + assert(op1->_info == NULL, "no info"); + assert(op1->_opr->is_valid(), "exception oop"); do_input(op1->_opr); + assert(op1->_result->is_illegal(), "no result"); + + break; + } + case lir_tan: case lir_sin: diff -r 605c9707a766 -r ba07d5be2d51 src/share/vm/c1/c1_LIR.hpp --- a/src/share/vm/c1/c1_LIR.hpp Tue Apr 20 21:38:23 2010 -0700 +++ b/src/share/vm/c1/c1_LIR.hpp Wed Apr 21 01:13:15 2010 -0700 @@ -801,6 +801,7 @@ , lir_monaddr , lir_roundfp , lir_safepoint + , lir_unwind , end_op1 , begin_op2 , lir_cmp @@ -830,7 +831,6 @@ , lir_ushr , lir_alloc_array , lir_throw - , lir_unwind , lir_compare_to , end_op2 , begin_op3 @@ -1827,8 +1827,12 @@ void logical_xor (LIR_Opr left, LIR_Opr right, LIR_Opr dst) { append(new LIR_Op2(lir_logic_xor, left, right, dst)); } void null_check(LIR_Opr opr, CodeEmitInfo* info) { append(new LIR_Op1(lir_null_check, opr, info)); } - void throw_exception(LIR_Opr exceptionPC, LIR_Opr exceptionOop, CodeEmitInfo* info) { append(new LIR_Op2(lir_throw, exceptionPC, exceptionOop, LIR_OprFact::illegalOpr, info)); } - void unwind_exception(LIR_Opr exceptionPC, LIR_Opr exceptionOop, CodeEmitInfo* info) { append(new LIR_Op2(lir_unwind, exceptionPC, exceptionOop, LIR_OprFact::illegalOpr, info)); } + void throw_exception(LIR_Opr exceptionPC, LIR_Opr exceptionOop, CodeEmitInfo* info) { + append(new LIR_Op2(lir_throw, exceptionPC, exceptionOop, LIR_OprFact::illegalOpr, info)); + } + void unwind_exception(LIR_Opr exceptionOop) { + append(new LIR_Op1(lir_unwind, exceptionOop)); + } void compare_to (LIR_Opr left, LIR_Opr right, LIR_Opr dst) { append(new LIR_Op2(lir_compare_to, left, right, dst)); diff -r 605c9707a766 -r ba07d5be2d51 src/share/vm/c1/c1_LIRAssembler.cpp --- a/src/share/vm/c1/c1_LIRAssembler.cpp Tue Apr 20 21:38:23 2010 -0700 +++ b/src/share/vm/c1/c1_LIRAssembler.cpp Wed Apr 21 01:13:15 2010 -0700 @@ -552,6 +552,10 @@ monitor_address(op->in_opr()->as_constant_ptr()->as_jint(), op->result_opr()); break; + case lir_unwind: + unwind_op(op->in_opr()); + break; + default: Unimplemented(); break; @@ -707,8 +711,7 @@ break; case lir_throw: - case lir_unwind: - throw_op(op->in_opr1(), op->in_opr2(), op->info(), op->code() == lir_unwind); + throw_op(op->in_opr1(), op->in_opr2(), op->info()); break; default: diff -r 605c9707a766 -r ba07d5be2d51 src/share/vm/c1/c1_LIRAssembler.hpp --- a/src/share/vm/c1/c1_LIRAssembler.hpp Tue Apr 20 21:38:23 2010 -0700 +++ b/src/share/vm/c1/c1_LIRAssembler.hpp Wed Apr 21 01:13:15 2010 -0700 @@ -39,6 +39,8 @@ Instruction* _pending_non_safepoint; int _pending_non_safepoint_offset; + Label _unwind_handler_entry; + #ifdef ASSERT BlockList _branch_target_blocks; void check_no_unbound_labels(); @@ -134,6 +136,7 @@ // code patterns int emit_exception_handler(); + int emit_unwind_handler(); void emit_exception_entries(ExceptionInfoList* info_list); int emit_deopt_handler(); @@ -217,7 +220,8 @@ void build_frame(); - void throw_op(LIR_Opr exceptionPC, LIR_Opr exceptionOop, CodeEmitInfo* info, bool unwind); + void throw_op(LIR_Opr exceptionPC, LIR_Opr exceptionOop, CodeEmitInfo* info); + void unwind_op(LIR_Opr exceptionOop); void monitor_address(int monitor_ix, LIR_Opr dst); void align_backward_branch_target(); diff -r 605c9707a766 -r ba07d5be2d51 src/share/vm/c1/c1_LIRGenerator.cpp --- a/src/share/vm/c1/c1_LIRGenerator.cpp Tue Apr 20 21:38:23 2010 -0700 +++ b/src/share/vm/c1/c1_LIRGenerator.cpp Wed Apr 21 01:13:15 2010 -0700 @@ -1765,35 +1765,17 @@ __ null_check(exception_opr, new CodeEmitInfo(info, true)); } - if (compilation()->env()->jvmti_can_post_on_exceptions() && - !block()->is_set(BlockBegin::default_exception_handler_flag)) { + if (compilation()->env()->jvmti_can_post_on_exceptions()) { // we need to go through the exception lookup path to get JVMTI // notification done unwind = false; } - assert(!block()->is_set(BlockBegin::default_exception_handler_flag) || unwind, - "should be no more handlers to dispatch to"); - - if (compilation()->env()->dtrace_method_probes() && - block()->is_set(BlockBegin::default_exception_handler_flag)) { - // notify that this frame is unwinding - BasicTypeList signature; - signature.append(T_INT); // thread - signature.append(T_OBJECT); // methodOop - LIR_OprList* args = new LIR_OprList(); - args->append(getThreadPointer()); - LIR_Opr meth = new_register(T_OBJECT); - __ oop2reg(method()->constant_encoding(), meth); - args->append(meth); - call_runtime(&signature, args, CAST_FROM_FN_PTR(address, SharedRuntime::dtrace_method_exit), voidType, NULL); - } - // move exception oop into fixed register __ move(exception_opr, exceptionOopOpr()); if (unwind) { - __ unwind_exception(LIR_OprFact::illegalOpr, exceptionOopOpr(), info); + __ unwind_exception(exceptionOopOpr()); } else { __ throw_exception(exceptionPcOpr(), exceptionOopOpr(), info); } diff -r 605c9707a766 -r ba07d5be2d51 src/share/vm/code/nmethod.cpp --- a/src/share/vm/code/nmethod.cpp Tue Apr 20 21:38:23 2010 -0700 +++ b/src/share/vm/code/nmethod.cpp Wed Apr 21 01:13:15 2010 -0700 @@ -685,6 +685,7 @@ _exception_offset = 0; _deoptimize_offset = 0; _deoptimize_mh_offset = 0; + _unwind_handler_offset = -1; _trap_offset = offsets->value(CodeOffsets::Dtrace_trap); _orig_pc_offset = 0; _stub_offset = data_offset(); @@ -798,6 +799,11 @@ _exception_offset = _stub_offset + offsets->value(CodeOffsets::Exceptions); _deoptimize_offset = _stub_offset + offsets->value(CodeOffsets::Deopt); _deoptimize_mh_offset = _stub_offset + offsets->value(CodeOffsets::DeoptMH); + if (offsets->value(CodeOffsets::UnwindHandler) != -1) { + _unwind_handler_offset = instructions_offset() + offsets->value(CodeOffsets::UnwindHandler); + } else { + _unwind_handler_offset = -1; + } _consts_offset = instructions_offset() + code_buffer->total_offset_of(code_buffer->consts()->start()); _scopes_data_offset = data_offset(); _scopes_pcs_offset = _scopes_data_offset + round_to(debug_info->data_size (), oopSize); diff -r 605c9707a766 -r ba07d5be2d51 src/share/vm/code/nmethod.hpp --- a/src/share/vm/code/nmethod.hpp Tue Apr 20 21:38:23 2010 -0700 +++ b/src/share/vm/code/nmethod.hpp Wed Apr 21 01:13:15 2010 -0700 @@ -154,6 +154,9 @@ // All deoptee's at a MethodHandle call site will resume execution // at this location described by this offset. int _deoptimize_mh_offset; + // Offset of the unwind handler if it exists + int _unwind_handler_offset; + #ifdef HAVE_DTRACE_H int _trap_offset; #endif // def HAVE_DTRACE_H @@ -341,6 +344,7 @@ address exception_begin () const { return header_begin() + _exception_offset ; } address deopt_handler_begin () const { return header_begin() + _deoptimize_offset ; } address deopt_mh_handler_begin() const { return header_begin() + _deoptimize_mh_offset ; } + address unwind_handler_begin () const { return _unwind_handler_offset != -1 ? (header_begin() + _unwind_handler_offset) : NULL; } address stub_begin () const { return header_begin() + _stub_offset ; } address stub_end () const { return header_begin() + _consts_offset ; } address consts_begin () const { return header_begin() + _consts_offset ; } diff -r 605c9707a766 -r ba07d5be2d51 src/share/vm/includeDB_zero --- a/src/share/vm/includeDB_zero Tue Apr 20 21:38:23 2010 -0700 +++ b/src/share/vm/includeDB_zero Wed Apr 21 01:13:15 2010 -0700 @@ -1,6 +1,6 @@ // // Copyright 2001-2009 Sun Microsystems, Inc. All Rights Reserved. -// Copyright 2009 Red Hat, Inc. +// Copyright 2009, 2010 Red Hat, Inc. // DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. // // This code is free software; you can redistribute it and/or modify it @@ -25,6 +25,8 @@ // NOTE: DO NOT CHANGE THIS COPYRIGHT TO NEW STYLE - IT WILL BREAK makeDeps! +cppInterpreter_.cpp stack_.inline.hpp + entryFrame_.hpp javaCalls.hpp entryFrame_.hpp stack_.hpp @@ -47,9 +49,19 @@ interpreterFrame_.hpp stack_.hpp interpreterFrame_.hpp thread.hpp +interpreterRT_.cpp stack_.inline.hpp + sharkFrame_.hpp methodOop.hpp sharkFrame_.hpp stack_.hpp stack_.hpp sizes.hpp +stack_.inline.hpp stack_.hpp +stack_.inline.hpp thread.hpp + +stack_.cpp interpreterRuntime.hpp +stack_.cpp stack_.hpp + +stubGenerator_.cpp stack_.inline.hpp + thread.hpp stack_.hpp diff -r 605c9707a766 -r ba07d5be2d51 src/share/vm/opto/parse1.cpp --- a/src/share/vm/opto/parse1.cpp Tue Apr 20 21:38:23 2010 -0700 +++ b/src/share/vm/opto/parse1.cpp Wed Apr 21 01:13:15 2010 -0700 @@ -280,7 +280,13 @@ continue; } // Construct code to access the appropriate local. - Node *value = fetch_interpreter_state(index, type->basic_type(), locals_addr, osr_buf); + BasicType bt = type->basic_type(); + if (type == TypePtr::NULL_PTR) { + // Ptr types are mixed together with T_ADDRESS but NULL is + // really for T_OBJECT types so correct it. + bt = T_OBJECT; + } + Node *value = fetch_interpreter_state(index, bt, locals_addr, osr_buf); set_local(index, value); } diff -r 605c9707a766 -r ba07d5be2d51 src/share/vm/runtime/sharedRuntime.cpp --- a/src/share/vm/runtime/sharedRuntime.cpp Tue Apr 20 21:38:23 2010 -0700 +++ b/src/share/vm/runtime/sharedRuntime.cpp Wed Apr 21 01:13:15 2010 -0700 @@ -473,6 +473,13 @@ t = table.entry_for(catch_pco, -1, 0); } +#ifdef COMPILER1 + if (t == NULL && nm->is_compiled_by_c1()) { + assert(nm->unwind_handler_begin() != NULL, ""); + return nm->unwind_handler_begin(); + } +#endif + if (t == NULL) { tty->print_cr("MISSING EXCEPTION HANDLER for pc " INTPTR_FORMAT " and handler bci %d", ret_pc, handler_bci); tty->print_cr(" Exception:"); diff -r 605c9707a766 -r ba07d5be2d51 src/share/vm/utilities/vmError.cpp --- a/src/share/vm/utilities/vmError.cpp Tue Apr 20 21:38:23 2010 -0700 +++ b/src/share/vm/utilities/vmError.cpp Wed Apr 21 01:13:15 2010 -0700 @@ -1,5 +1,5 @@ /* - * Copyright 2003-2009 Sun Microsystems, Inc. All Rights Reserved. + * Copyright 2003-2010 Sun Microsystems, Inc. All Rights Reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it @@ -212,6 +212,51 @@ return buf; } +void VMError::print_stack_trace(outputStream* st, JavaThread* jt, + char* buf, int buflen, bool verbose) { +#ifdef ZERO + if (jt->zero_stack()->sp() && jt->top_zero_frame()) { + // StackFrameStream uses the frame anchor, which may not have + // been set up. This can be done at any time in Zero, however, + // so if it hasn't been set up then we just set it up now and + // clear it again when we're done. + bool has_last_Java_frame = jt->has_last_Java_frame(); + if (!has_last_Java_frame) + jt->set_last_Java_frame(); + st->print("Java frames:"); + + // If the top frame is a Shark frame and the frame anchor isn't + // set up then it's possible that the information in the frame + // is garbage: it could be from a previous decache, or it could + // simply have never been written. So we print a warning... + StackFrameStream sfs(jt); + if (!has_last_Java_frame && !sfs.is_done()) { + if (sfs.current()->zeroframe()->is_shark_frame()) { + st->print(" (TOP FRAME MAY BE JUNK)"); + } + } + st->cr(); + + // Print the frames + for(int i = 0; !sfs.is_done(); sfs.next(), i++) { + sfs.current()->zero_print_on_error(i, st, buf, buflen); + st->cr(); + } + + // Reset the frame anchor if necessary + if (!has_last_Java_frame) + jt->reset_last_Java_frame(); + } +#else + if (jt->has_last_Java_frame()) { + st->print_cr("Java frames: (J=compiled Java code, j=interpreted, Vv=VM code)"); + for(StackFrameStream sfs(jt); !sfs.is_done(); sfs.next()) { + sfs.current()->print_on_error(st, buf, buflen, verbose); + st->cr(); + } + } +#endif // ZERO +} // This is the main function to report a fatal error. Only one thread can // call this function, so we don't need to worry about MT-safety. But it's @@ -457,49 +502,7 @@ STEP(130, "(printing Java stack)" ) if (_verbose && _thread && _thread->is_Java_thread()) { - JavaThread* jt = (JavaThread*)_thread; -#ifdef ZERO - if (jt->zero_stack()->sp() && jt->top_zero_frame()) { - // StackFrameStream uses the frame anchor, which may not have - // been set up. This can be done at any time in Zero, however, - // so if it hasn't been set up then we just set it up now and - // clear it again when we're done. - bool has_last_Java_frame = jt->has_last_Java_frame(); - if (!has_last_Java_frame) - jt->set_last_Java_frame(); - st->print("Java frames:"); - - // If the top frame is a Shark frame and the frame anchor isn't - // set up then it's possible that the information in the frame - // is garbage: it could be from a previous decache, or it could - // simply have never been written. So we print a warning... - StackFrameStream sfs(jt); - if (!has_last_Java_frame && !sfs.is_done()) { - if (sfs.current()->zeroframe()->is_shark_frame()) { - st->print(" (TOP FRAME MAY BE JUNK)"); - } - } - st->cr(); - - // Print the frames - for(int i = 0; !sfs.is_done(); sfs.next(), i++) { - sfs.current()->zero_print_on_error(i, st, buf, sizeof(buf)); - st->cr(); - } - - // Reset the frame anchor if necessary - if (!has_last_Java_frame) - jt->reset_last_Java_frame(); - } -#else - if (jt->has_last_Java_frame()) { - st->print_cr("Java frames: (J=compiled Java code, j=interpreted, Vv=VM code)"); - for(StackFrameStream sfs(jt); !sfs.is_done(); sfs.next()) { - sfs.current()->print_on_error(st, buf, sizeof(buf)); - st->cr(); - } - } -#endif // ZERO + print_stack_trace(st, (JavaThread*)_thread, buf, sizeof(buf)); } STEP(135, "(printing target Java thread stack)" ) @@ -509,13 +512,7 @@ JavaThread* jt = ((NamedThread *)_thread)->processed_thread(); if (jt != NULL) { st->print_cr("JavaThread " PTR_FORMAT " (nid = " UINTX_FORMAT ") was being processed", jt, jt->osthread()->thread_id()); - if (jt->has_last_Java_frame()) { - st->print_cr("Java frames: (J=compiled Java code, j=interpreted, Vv=VM code)"); - for(StackFrameStream sfs(jt); !sfs.is_done(); sfs.next()) { - sfs.current()->print_on_error(st, buf, sizeof(buf), true); - st->cr(); - } - } + print_stack_trace(st, jt, buf, sizeof(buf), true); } } diff -r 605c9707a766 -r ba07d5be2d51 src/share/vm/utilities/vmError.hpp --- a/src/share/vm/utilities/vmError.hpp Tue Apr 20 21:38:23 2010 -0700 +++ b/src/share/vm/utilities/vmError.hpp Wed Apr 21 01:13:15 2010 -0700 @@ -1,5 +1,5 @@ /* - * Copyright 2003-2009 Sun Microsystems, Inc. All Rights Reserved. + * Copyright 2003-2010 Sun Microsystems, Inc. All Rights Reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it @@ -70,6 +70,10 @@ // generate an error report void report(outputStream* st); + // generate a stack trace + static void print_stack_trace(outputStream* st, JavaThread* jt, + char* buf, int buflen, bool verbose = false); + // accessor const char* message() { return _message; }