--- a/jdk/src/share/classes/com/sun/java/util/jar/pack/Attribute.java Sun Apr 22 19:09:02 2012 +0100
+++ b/jdk/src/share/classes/com/sun/java/util/jar/pack/Attribute.java Sun Apr 22 19:12:39 2012 +0100
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2003, 2011, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2003, 2012, Oracle and/or its affiliates. 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
@@ -166,6 +166,7 @@
define(sd, ATTR_CONTEXT_CLASS, "SourceFile", "RUH");
define(sd, ATTR_CONTEXT_CLASS, "EnclosingMethod", "RCHRDNH");
define(sd, ATTR_CONTEXT_CLASS, "InnerClasses", "NH[RCHRCNHRUNHFH]");
+ define(sd, ATTR_CONTEXT_CLASS, "BootstrapMethods", "NH[RMHNH[KLH]]");
define(sd, ATTR_CONTEXT_FIELD, "Signature", "RSH");
define(sd, ATTR_CONTEXT_FIELD, "Synthetic", "");
@@ -203,6 +204,8 @@
// Their layout specs. are given here for completeness.
// The Code spec is incomplete, in that it does not distinguish
// bytecode bytes or locate CP references.
+ // The BootstrapMethods attribute is also special-cased
+ // elsewhere as an appendix to the local constant pool.
}
// Metadata.
@@ -822,9 +825,9 @@
reference_type:
( constant_ref | schema_ref | utf8_ref | untyped_ref )
constant_ref:
- ( 'KI' | 'KJ' | 'KF' | 'KD' | 'KS' | 'KQ' )
+ ( 'KI' | 'KJ' | 'KF' | 'KD' | 'KS' | 'KQ' | 'KM' | 'KT' | 'KL' )
schema_ref:
- ( 'RC' | 'RS' | 'RD' | 'RF' | 'RM' | 'RI' )
+ ( 'RC' | 'RS' | 'RD' | 'RF' | 'RM' | 'RI' | 'RY' | 'RB' | 'RN' )
utf8_ref:
'RU'
untyped_ref:
@@ -1012,7 +1015,12 @@
case 'F': e.refKind = CONSTANT_Float; break;
case 'D': e.refKind = CONSTANT_Double; break;
case 'S': e.refKind = CONSTANT_String; break;
- case 'Q': e.refKind = CONSTANT_Literal; break;
+ case 'Q': e.refKind = CONSTANT_FieldSpecific; break;
+
+ // new in 1.7:
+ case 'M': e.refKind = CONSTANT_MethodHandle; break;
+ case 'T': e.refKind = CONSTANT_MethodType; break;
+ case 'L': e.refKind = CONSTANT_LoadableValue; break;
default: { i = -i; continue; } // fail
}
break;
@@ -1029,6 +1037,11 @@
case 'U': e.refKind = CONSTANT_Utf8; break; //utf8_ref
case 'Q': e.refKind = CONSTANT_All; break; //untyped_ref
+ // new in 1.7:
+ case 'Y': e.refKind = CONSTANT_InvokeDynamic; break;
+ case 'B': e.refKind = CONSTANT_BootstrapMethod; break;
+ case 'N': e.refKind = CONSTANT_AnyMember; break;
+
default: { i = -i; continue; } // fail
}
break;
@@ -1279,10 +1292,12 @@
// Cf. ClassReader.readSignatureRef.
String typeName = globalRef.stringValue();
globalRef = ConstantPool.getSignatureEntry(typeName);
- } else if (e.refKind == CONSTANT_Literal) {
+ } else if (e.refKind == CONSTANT_FieldSpecific) {
assert(globalRef.getTag() >= CONSTANT_Integer);
- assert(globalRef.getTag() <= CONSTANT_String);
- } else if (e.refKind != CONSTANT_All) {
+ assert(globalRef.getTag() <= CONSTANT_String ||
+ globalRef.getTag() >= CONSTANT_MethodHandle);
+ assert(globalRef.getTag() <= CONSTANT_MethodType);
+ } else if (e.refKind < CONSTANT_GroupFirst) {
assert(e.refKind == globalRef.getTag());
}
}
@@ -1462,27 +1477,29 @@
"NH[PHPOHIIH]", // CharacterRangeTable
"NH[PHHII]", // CoverageTable
"NH[RCHRCNHRUNHFH]", // InnerClasses
+ "NH[RMHNH[KLH]]", // BootstrapMethods
"HHNI[B]NH[PHPOHPOHRCNH]NH[RUHNI[B]]", // Code
"=AnnotationDefault",
// Like metadata, but with a compact tag set:
"[NH[(1)]]"
- +"[NH[(2)]]"
- +"[RSHNH[RUH(3)]]"
- +"[TB(0,1,3)[KIH](2)[KDH](5)[KFH](4)[KJH](7)[RSH](8)[RSHRUH](9)[RUH](10)[(2)](6)[NH[(3)]]()[]]",
+ +"[NH[(1)]]"
+ +"[RSHNH[RUH(1)]]"
+ +"[TB(0,1,3)[KIH](2)[KDH](5)[KFH](4)[KJH](7)[RSH](8)[RSHRUH](9)[RUH](10)[(-1)](6)[NH[(0)]]()[]]",
""
};
ap = 0;
}
+ Utils.currentInstance.set(new PackerImpl());
final int[][] counts = new int[2][3]; // int bci ref
final Entry[] cpMap = new Entry[maxVal+1];
for (int i = 0; i < cpMap.length; i++) {
if (i == 0) continue; // 0 => null
cpMap[i] = ConstantPool.getLiteralEntry(new Integer(i));
}
- Class cls = new Package().new Class("");
+ Package.Class cls = new Package().new Class("");
cls.cpMap = cpMap;
class TestValueStream extends ValueStream {
- Random rand = new Random(0);
+ java.util.Random rand = new java.util.Random(0);
ArrayList history = new ArrayList();
int ckidx = 0;
int maxVal;
@@ -1570,8 +1587,7 @@
String layout = av[i];
if (layout.startsWith("=")) {
String name = layout.substring(1);
- for (Iterator j = standardDefs.values().iterator(); j.hasNext(); ) {
- Attribute a = (Attribute) j.next();
+ for (Attribute a : standardDefs.values()) {
if (a.name().equals(name)) {
layout = a.layout().layout();
break;
@@ -1604,7 +1620,7 @@
if (verbose) {
System.out.print(" parse: {");
}
- self.parse(0, cls, bytes, 0, bytes.length, tts);
+ self.parse(cls, bytes, 0, bytes.length, tts);
if (verbose) {
System.out.println("}");
}
--- a/jdk/src/share/classes/com/sun/java/util/jar/pack/BandStructure.java Sun Apr 22 19:09:02 2012 +0100
+++ b/jdk/src/share/classes/com/sun/java/util/jar/pack/BandStructure.java Sun Apr 22 19:12:39 2012 +0100
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2001, 2011, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2001, 2012, Oracle and/or its affiliates. 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
@@ -1372,17 +1372,17 @@
protected long archiveSize1; // size reported in archive_header
protected int archiveNextCount; // reported in archive_header
- static final int AH_LENGTH_0 = 3; //minver, majver, options
- static final int AH_ARCHIVE_SIZE_HI = 0;
- static final int AH_ARCHIVE_SIZE_LO = 1;
- static final int AH_LENGTH_S = 2; //optional size hi/lo
- static final int AH_LENGTH = 26; // mentioned in spec
+ static final int AH_LENGTH_0 = 3; // archive_header_0 = {minver, majver, options}
+ static final int AH_LENGTH_MIN = 15; // observed in spec {header_0[3], cp_counts[8], class_counts[4]}
+ // Length contributions from optional archive size fields:
+ static final int AH_LENGTH_S = 2; // archive_header_S = optional {size_hi, size_lo}
+ static final int AH_ARCHIVE_SIZE_HI = 0; // offset in archive_header_S
+ static final int AH_ARCHIVE_SIZE_LO = 1; // offset in archive_header_S
// Length contributions from optional header fields:
- static final int AH_FILE_HEADER_LEN = 5; // sizehi/lo/next/modtime/files
- static final int AH_SPECIAL_FORMAT_LEN = 2; // layouts/band-headers
- static final int AH_CP_NUMBER_LEN = 4; // int/float/long/double
- static final int AH_LENGTH_MIN = AH_LENGTH
- -(AH_SPECIAL_FORMAT_LEN+AH_FILE_HEADER_LEN+AH_CP_NUMBER_LEN);
+ static final int AH_FILE_HEADER_LEN = 5; // file_counts = {{size_hi, size_lo}, next, modtime, files}
+ static final int AH_SPECIAL_FORMAT_LEN = 2; // special_counts = {layouts, band_headers}
+ static final int AH_CP_NUMBER_LEN = 4; // cp_number_counts = {int, float, long, double}
+ static final int AH_CP_EXTRA_LEN = 4; // cp_attr_counts = {MH, MT, InDy, BSM}
// Common structure of attribute band groups:
static final int AB_FLAGS_HI = 0;
@@ -1446,6 +1446,14 @@
CPRefBand cp_Method_desc = cp_bands.newCPRefBand("cp_Method_desc", UDELTA5, CONSTANT_NameandType);
CPRefBand cp_Imethod_class = cp_bands.newCPRefBand("cp_Imethod_class", CONSTANT_Class);
CPRefBand cp_Imethod_desc = cp_bands.newCPRefBand("cp_Imethod_desc", UDELTA5, CONSTANT_NameandType);
+ IntBand cp_MethodHandle_refkind = cp_bands.newIntBand("cp_MethodHandle_refkind", DELTA5);
+ CPRefBand cp_MethodHandle_member = cp_bands.newCPRefBand("cp_MethodHandle_member", UDELTA5, CONSTANT_AnyMember);
+ CPRefBand cp_MethodType = cp_bands.newCPRefBand("cp_MethodType", UDELTA5, CONSTANT_Signature);
+ CPRefBand cp_BootstrapMethod_ref = cp_bands.newCPRefBand("cp_BootstrapMethod_ref", DELTA5, CONSTANT_MethodHandle);
+ IntBand cp_BootstrapMethod_arg_count = cp_bands.newIntBand("cp_BootstrapMethod_arg_count", UDELTA5);
+ CPRefBand cp_BootstrapMethod_arg = cp_bands.newCPRefBand("cp_BootstrapMethod_arg", DELTA5, CONSTANT_LoadableValue);
+ CPRefBand cp_InvokeDynamic_spec = cp_bands.newCPRefBand("cp_InvokeDynamic_spec", DELTA5, CONSTANT_BootstrapMethod);
+ CPRefBand cp_InvokeDynamic_desc = cp_bands.newCPRefBand("cp_InvokeDynamic_desc", UDELTA5, CONSTANT_NameandType);
// bands for carrying attribute definitions:
MultiBand attr_definition_bands = all_bands.newMultiBand("(attr_definition_bands)", UNSIGNED5);
@@ -1481,7 +1489,7 @@
IntBand field_attr_calls = field_attr_bands.newIntBand("field_attr_calls");
// bands for predefined field attributes
- CPRefBand field_ConstantValue_KQ = field_attr_bands.newCPRefBand("field_ConstantValue_KQ", CONSTANT_Literal);
+ CPRefBand field_ConstantValue_KQ = field_attr_bands.newCPRefBand("field_ConstantValue_KQ", CONSTANT_FieldSpecific);
CPRefBand field_Signature_RS = field_attr_bands.newCPRefBand("field_Signature_RS", CONSTANT_Signature);
MultiBand field_metadata_bands = field_attr_bands.newMultiBand("(field_metadata_bands)", UNSIGNED5);
@@ -1585,12 +1593,14 @@
CPRefBand bc_longref = bc_bands.newCPRefBand("bc_longref", DELTA5, CONSTANT_Long);
CPRefBand bc_doubleref = bc_bands.newCPRefBand("bc_doubleref", DELTA5, CONSTANT_Double);
CPRefBand bc_stringref = bc_bands.newCPRefBand("bc_stringref", DELTA5, CONSTANT_String);
+ CPRefBand bc_loadablevalueref = bc_bands.newCPRefBand("bc_loadablevalueref", DELTA5, CONSTANT_LoadableValue);
// nulls produced by bc_classref are taken to mean the current class
CPRefBand bc_classref = bc_bands.newCPRefBand("bc_classref", UNSIGNED5, CONSTANT_Class, NULL_IS_OK); // new, *anew*, c*cast, i*of, ldc
CPRefBand bc_fieldref = bc_bands.newCPRefBand("bc_fieldref", DELTA5, CONSTANT_Fieldref); // get*, put*
CPRefBand bc_methodref = bc_bands.newCPRefBand("bc_methodref", CONSTANT_Methodref); // invoke[vs]*
CPRefBand bc_imethodref = bc_bands.newCPRefBand("bc_imethodref", DELTA5, CONSTANT_InterfaceMethodref); // invokeinterface
+ CPRefBand bc_indyref = bc_bands.newCPRefBand("bc_indyref", DELTA5, CONSTANT_InvokeDynamic); // invokedynamic
// _self_linker_op family
CPRefBand bc_thisfield = bc_bands.newCPRefBand("bc_thisfield", CONSTANT_None); // any field within cur. class
@@ -1633,7 +1643,7 @@
protected void setBandIndex(CPRefBand b, byte which) {
Object[] need = { b, Byte.valueOf(which) };
- if (which == CONSTANT_Literal) {
+ if (which == CONSTANT_FieldSpecific) {
// I.e., attribute layouts KQ (no null) or KQN (null ok).
allKQBands.add(b);
} else if (needPredefIndex != null) {
@@ -1856,12 +1866,20 @@
attrClassFileVersionMask = (1<<CLASS_ATTR_ClassFile_version);
}
- private void adjustToMajver() {
+ private void adjustToMajver() throws IOException {
if (getPackageMajver() < JAVA6_PACKAGE_MAJOR_VERSION) {
if (verbose > 0) Utils.log.fine("Legacy package version");
// Revoke definition of pre-1.6 attribute type.
undefineAttribute(CODE_ATTR_StackMapTable, ATTR_CONTEXT_CODE);
}
+ if (getPackageMajver() < JAVA7_PACKAGE_MAJOR_VERSION) {
+ if (testBit(archiveOptions, AO_HAVE_CP_EXTRAS))
+ // this bit was reserved for future use in previous versions
+ throw new IOException("Format bits for Java 7 must be zero in previous releases");
+ }
+ if (testBit(archiveOptions, AO_UNUSED_MBZ)) {
+ throw new IOException("High archive option bits are reserved and must be zero: "+Integer.toHexString(archiveOptions));
+ }
}
protected void initAttrIndexLimit() {
@@ -2323,7 +2341,9 @@
return bc_methodref;
case CONSTANT_InterfaceMethodref:
return bc_imethodref;
- case CONSTANT_Literal:
+ case CONSTANT_InvokeDynamic:
+ return bc_indyref;
+ case CONSTANT_LoadableValue:
switch (bc) {
case _ildc: case _ildc_w:
return bc_intref;
@@ -2333,10 +2353,12 @@
return bc_longref;
case _dldc2_w:
return bc_doubleref;
- case _aldc: case _aldc_w:
+ case _sldc: case _sldc_w:
return bc_stringref;
case _cldc: case _cldc_w:
return bc_classref;
+ case _qldc: case _qldc_w:
+ return bc_loadablevalueref;
}
break;
}
@@ -2623,15 +2645,23 @@
}
static void printArrayTo(PrintStream ps, Entry[] cpMap, int start, int end) {
+ printArrayTo(ps, cpMap, start, end, false);
+ }
+ static void printArrayTo(PrintStream ps, Entry[] cpMap, int start, int end, boolean showTags) {
StringBuffer buf = new StringBuffer();
int len = end-start;
for (int i = 0; i < len; i++) {
- String s = cpMap[start+i].stringValue();
+ Entry e = cpMap[start+i];
+ ps.print(start+i); ps.print("=");
+ if (showTags) { ps.print(e.tag); ps.print(":"); }
+ String s = e.stringValue();
buf.setLength(0);
for (int j = 0; j < s.length(); j++) {
char ch = s.charAt(j);
if (!(ch < ' ' || ch > '~' || ch == '\\')) {
buf.append(ch);
+ } else if (ch == '\\') {
+ buf.append("\\\\");
} else if (ch == '\n') {
buf.append("\\n");
} else if (ch == '\t') {
@@ -2639,7 +2669,8 @@
} else if (ch == '\r') {
buf.append("\\r");
} else {
- buf.append("\\x"+Integer.toHexString(ch));
+ String str = "000"+Integer.toHexString(ch);
+ buf.append("\\u"+str.substring(str.length()-4));
}
}
ps.println(buf);
--- a/jdk/src/share/classes/com/sun/java/util/jar/pack/ClassReader.java Sun Apr 22 19:09:02 2012 +0100
+++ b/jdk/src/share/classes/com/sun/java/util/jar/pack/ClassReader.java Sun Apr 22 19:12:39 2012 +0100
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2001, 2011, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2001, 2012, Oracle and/or its affiliates. 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
@@ -29,6 +29,9 @@
import com.sun.java.util.jar.pack.ConstantPool.DescriptorEntry;
import com.sun.java.util.jar.pack.ConstantPool.Entry;
import com.sun.java.util.jar.pack.ConstantPool.SignatureEntry;
+import com.sun.java.util.jar.pack.ConstantPool.MemberEntry;
+import com.sun.java.util.jar.pack.ConstantPool.MethodHandleEntry;
+import com.sun.java.util.jar.pack.ConstantPool.BootstrapMethodEntry;
import com.sun.java.util.jar.pack.ConstantPool.Utf8Entry;
import com.sun.java.util.jar.pack.Package.Class;
import com.sun.java.util.jar.pack.Package.InnerClass;
@@ -37,6 +40,7 @@
import java.io.IOException;
import java.io.InputStream;
import java.util.ArrayList;
+import java.util.Arrays;
import java.util.Map;
import static com.sun.java.util.jar.pack.Constants.*;
@@ -114,6 +118,7 @@
private Entry readRef(byte tag) throws IOException {
Entry e = readRef();
assert(e != null);
+ assert(!(e instanceof UnresolvedEntry));
assert(e.tagMatches(tag));
return e;
}
@@ -151,6 +156,7 @@
readMembers(false); // fields
readMembers(true); // methods
readAttributes(ATTR_CONTEXT_CLASS, cls);
+ fixUnresolvedEntries();
cls.finishReading();
assert(0 >= in.read(new byte[1]));
ok = true;
@@ -236,6 +242,7 @@
// just read the refs; do not attempt to resolve while reading
case CONSTANT_Class:
case CONSTANT_String:
+ case CONSTANT_MethodType:
fixups[fptr++] = i;
fixups[fptr++] = tag;
fixups[fptr++] = in.readUnsignedShort();
@@ -250,6 +257,18 @@
fixups[fptr++] = in.readUnsignedShort();
fixups[fptr++] = in.readUnsignedShort();
break;
+ case CONSTANT_InvokeDynamic:
+ fixups[fptr++] = i;
+ fixups[fptr++] = tag;
+ fixups[fptr++] = -1 ^ in.readUnsignedShort(); // not a ref
+ fixups[fptr++] = in.readUnsignedShort();
+ break;
+ case CONSTANT_MethodHandle:
+ fixups[fptr++] = i;
+ fixups[fptr++] = tag;
+ fixups[fptr++] = -1 ^ in.readUnsignedByte();
+ fixups[fptr++] = in.readUnsignedShort();
+ break;
default:
throw new ClassFormatException("Bad constant pool tag " +
tag + " in File: " + cls.file.nameString +
@@ -270,7 +289,7 @@
int ref2 = fixups[fi++];
if (verbose > 3)
Utils.log.fine(" cp["+cpi+"] = "+ConstantPool.tagName(tag)+"{"+ref+","+ref2+"}");
- if (cpMap[ref] == null || ref2 >= 0 && cpMap[ref2] == null) {
+ if (ref >= 0 && cpMap[ref] == null || ref2 >= 0 && cpMap[ref2] == null) {
// Defer.
fixups[fptr++] = cpi;
fixups[fptr++] = tag;
@@ -297,6 +316,19 @@
Utf8Entry mtype = (Utf8Entry) cpMap[ref2];
cpMap[cpi] = ConstantPool.getDescriptorEntry(mname, mtype);
break;
+ case CONSTANT_MethodType:
+ cpMap[cpi] = ConstantPool.getMethodTypeEntry((Utf8Entry) cpMap[ref]);
+ break;
+ case CONSTANT_MethodHandle:
+ byte refKind = (byte)(-1 ^ ref);
+ MemberEntry memRef = (MemberEntry) cpMap[ref2];
+ cpMap[cpi] = ConstantPool.getMethodHandleEntry(refKind, memRef);
+ break;
+ case CONSTANT_InvokeDynamic:
+ DescriptorEntry idescr = (DescriptorEntry) cpMap[ref2];
+ cpMap[cpi] = new UnresolvedEntry((byte)tag, (-1 ^ ref), idescr);
+ // Note that ref must be resolved later, using the BootstrapMethods attribute.
+ break;
default:
assert(false);
}
@@ -307,6 +339,50 @@
cls.cpMap = cpMap;
}
+ private /*non-static*/
+ class UnresolvedEntry extends Entry {
+ final Object[] refsOrIndexes;
+ UnresolvedEntry(byte tag, Object... refsOrIndexes) {
+ super(tag);
+ this.refsOrIndexes = refsOrIndexes;
+ ClassReader.this.haveUnresolvedEntry = true;
+ }
+ Entry resolve() {
+ Class cls = ClassReader.this.cls;
+ Entry res;
+ switch (tag) {
+ case CONSTANT_InvokeDynamic:
+ BootstrapMethodEntry iboots = cls.bootstrapMethods.get((Integer) refsOrIndexes[0]);
+ DescriptorEntry idescr = (DescriptorEntry) refsOrIndexes[1];
+ res = ConstantPool.getInvokeDynamicEntry(iboots, idescr);
+ break;
+ default:
+ throw new AssertionError();
+ }
+ return res;
+ }
+ private void unresolved() { throw new RuntimeException("unresolved entry has no string"); }
+ public int compareTo(Object x) { unresolved(); return 0; }
+ public boolean equals(Object x) { unresolved(); return false; }
+ protected int computeValueHash() { unresolved(); return 0; }
+ public String stringValue() { unresolved(); return toString(); }
+ public String toString() { return "(unresolved "+ConstantPool.tagName(tag)+")"; }
+ }
+
+ boolean haveUnresolvedEntry;
+ private void fixUnresolvedEntries() {
+ if (!haveUnresolvedEntry) return;
+ Entry[] cpMap = cls.getCPMap();
+ for (int i = 0; i < cpMap.length; i++) {
+ Entry e = cpMap[i];
+ if (e instanceof UnresolvedEntry) {
+ cpMap[i] = e = ((UnresolvedEntry)e).resolve();
+ assert(!(e instanceof UnresolvedEntry));
+ }
+ }
+ haveUnresolvedEntry = false;
+ }
+
void readHeader() throws IOException {
cls.flags = readUnsignedShort();
cls.thisClass = readClassRef();
@@ -416,25 +492,31 @@
unknownAttrCommand);
}
}
- if (a.layout() == Package.attrCodeEmpty ||
- a.layout() == Package.attrInnerClassesEmpty) {
+ long pos0 = inPos; // in case we want to check it
+ if (a.layout() == Package.attrCodeEmpty) {
// These are hardwired.
- long pos0 = inPos;
- if ("Code".equals(a.name())) {
- Class.Method m = (Class.Method) h;
- m.code = new Code(m);
- try {
- readCode(m.code);
- } catch (Instruction.FormatException iie) {
- String message = iie.getMessage() + " in " + h;
- throw new ClassReader.ClassFormatException(message, iie);
- }
- } else {
- assert(h == cls);
- readInnerClasses(cls);
+ Class.Method m = (Class.Method) h;
+ m.code = new Code(m);
+ try {
+ readCode(m.code);
+ } catch (Instruction.FormatException iie) {
+ String message = iie.getMessage() + " in " + h;
+ throw new ClassReader.ClassFormatException(message, iie);
}
assert(length == inPos - pos0);
// Keep empty attribute a...
+ } else if (a.layout() == Package.attrBootstrapMethodsEmpty) {
+ assert(h == cls);
+ readBootstrapMethods(cls);
+ assert(length == inPos - pos0);
+ // Delete the attribute; it is logically part of the constant pool.
+ continue;
+ } else if (a.layout() == Package.attrInnerClassesEmpty) {
+ // These are hardwired also.
+ assert(h == cls);
+ readInnerClasses(cls);
+ assert(length == inPos - pos0);
+ // Keep empty attribute a...
} else if (length > 0) {
byte[] bytes = new byte[length];
in.readFully(bytes);
@@ -467,6 +549,19 @@
readAttributes(ATTR_CONTEXT_CODE, code);
}
+ void readBootstrapMethods(Class cls) throws IOException {
+ BootstrapMethodEntry[] bsms = new BootstrapMethodEntry[readUnsignedShort()];
+ for (int i = 0; i < bsms.length; i++) {
+ MethodHandleEntry bsmRef = (MethodHandleEntry) readRef(CONSTANT_MethodHandle);
+ Entry[] argRefs = new Entry[readUnsignedShort()];
+ for (int j = 0; j < argRefs.length; j++) {
+ argRefs[j] = readRef();
+ }
+ bsms[i] = ConstantPool.getBootstrapMethodEntry(bsmRef, argRefs);
+ }
+ cls.setBootstrapMethods(Arrays.asList(bsms));
+ }
+
void readInnerClasses(Class cls) throws IOException {
int nc = readUnsignedShort();
ArrayList<InnerClass> ics = new ArrayList<>(nc);
--- a/jdk/src/share/classes/com/sun/java/util/jar/pack/ClassWriter.java Sun Apr 22 19:09:02 2012 +0100
+++ b/jdk/src/share/classes/com/sun/java/util/jar/pack/ClassWriter.java Sun Apr 22 19:12:39 2012 +0100
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2001, 2011, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2001, 2012, Oracle and/or its affiliates. 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
@@ -29,6 +29,8 @@
import com.sun.java.util.jar.pack.ConstantPool.Entry;
import com.sun.java.util.jar.pack.ConstantPool.Index;
import com.sun.java.util.jar.pack.ConstantPool.NumberEntry;
+import com.sun.java.util.jar.pack.ConstantPool.MethodHandleEntry;
+import com.sun.java.util.jar.pack.ConstantPool.BootstrapMethodEntry;
import com.sun.java.util.jar.pack.Package.Class;
import com.sun.java.util.jar.pack.Package.InnerClass;
import java.io.BufferedOutputStream;
@@ -49,6 +51,7 @@
Class cls;
DataOutputStream out;
Index cpIndex;
+ Index bsmIndex;
ClassWriter(Class cls, OutputStream out) throws IOException {
this.pkg = cls.getPackage();
@@ -57,6 +60,10 @@
this.out = new DataOutputStream(new BufferedOutputStream(out));
this.cpIndex = ConstantPool.makeIndex(cls.toString(), cls.getCPMap());
this.cpIndex.flattenSigs = true;
+ if (cls.hasBootstrapMethods()) {
+ this.bsmIndex = ConstantPool.makeIndex(cpIndex.debugName+".BootstrapMethods",
+ cls.getBootstrapMethodMap());
+ }
if (verbose > 1)
Utils.log.fine("local CP="+(verbose > 2 ? cpIndex.dumpString() : cpIndex.toString()));
}
@@ -71,6 +78,11 @@
/** Write a 2-byte int representing a CP entry, using the local cpIndex. */
private void writeRef(Entry e) throws IOException {
+ writeRef(e, cpIndex);
+ }
+
+ /** Write a 2-byte int representing a CP entry, using the given cpIndex. */
+ private void writeRef(Entry e, Index cpIndex) throws IOException {
int i = (e == null) ? 0 : cpIndex.indexOf(e);
writeShort(i);
}
@@ -117,8 +129,7 @@
out.write(tag);
switch (tag) {
case CONSTANT_Signature:
- assert(false); // should not reach here
- break;
+ throw new AssertionError("CP should have Signatures remapped to Utf8");
case CONSTANT_Utf8:
out.writeUTF(e.stringValue());
break;
@@ -138,8 +149,14 @@
break;
case CONSTANT_Class:
case CONSTANT_String:
+ case CONSTANT_MethodType:
writeRef(e.getRef(0));
break;
+ case CONSTANT_MethodHandle:
+ MethodHandleEntry mhe = (MethodHandleEntry) e;
+ out.writeByte(mhe.refKind);
+ writeRef(mhe.getRef(0));
+ break;
case CONSTANT_Fieldref:
case CONSTANT_Methodref:
case CONSTANT_InterfaceMethodref:
@@ -147,6 +164,12 @@
writeRef(e.getRef(0));
writeRef(e.getRef(1));
break;
+ case CONSTANT_InvokeDynamic:
+ writeRef(e.getRef(0), bsmIndex);
+ writeRef(e.getRef(1));
+ break;
+ case CONSTANT_BootstrapMethod:
+ throw new AssertionError("CP should have BootstrapMethods moved to side-table");
default:
throw new IOException("Bad constant pool tag "+tag);
}
@@ -198,6 +221,7 @@
a.finishRefs(cpIndex);
writeRef(a.getNameRef());
if (a.layout() == Package.attrCodeEmpty ||
+ a.layout() == Package.attrBootstrapMethodsEmpty ||
a.layout() == Package.attrInnerClassesEmpty) {
// These are hardwired.
DataOutputStream savedOut = out;
@@ -207,9 +231,14 @@
if ("Code".equals(a.name())) {
Class.Method m = (Class.Method) h;
writeCode(m.code);
- } else {
+ } else if ("BootstrapMethods".equals(a.name())) {
+ assert(h == cls);
+ writeBootstrapMethods(cls);
+ } else if ("InnerClasses".equals(a.name())) {
assert(h == cls);
writeInnerClasses(cls);
+ } else {
+ throw new AssertionError();
}
out = savedOut;
if (verbose > 2)
@@ -242,6 +271,18 @@
writeAttributes(ATTR_CONTEXT_CODE, code);
}
+ void writeBootstrapMethods(Class cls) throws IOException {
+ List<BootstrapMethodEntry> bsms = cls.getBootstrapMethods();
+ writeShort(bsms.size());
+ for (BootstrapMethodEntry e : bsms) {
+ writeRef(e.bsmRef);
+ writeShort(e.argRefs.length);
+ for (Entry argRef : e.argRefs) {
+ writeRef(argRef);
+ }
+ }
+ }
+
void writeInnerClasses(Class cls) throws IOException {
List<InnerClass> ics = cls.getInnerClasses();
writeShort(ics.size());
--- a/jdk/src/share/classes/com/sun/java/util/jar/pack/ConstantPool.java Sun Apr 22 19:09:02 2012 +0100
+++ b/jdk/src/share/classes/com/sun/java/util/jar/pack/ConstantPool.java Sun Apr 22 19:12:39 2012 +0100
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2001, 2011, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2001, 2012, Oracle and/or its affiliates. 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
@@ -52,7 +52,7 @@
* Also used to back up more complex constant pool entries, like Class.
*/
public static synchronized Utf8Entry getUtf8Entry(String value) {
- Map<String, Utf8Entry> utf8Entries = Utils.getUtf8Entries();
+ Map<String, Utf8Entry> utf8Entries = Utils.getTLGlobals().getUtf8Entries();
Utf8Entry e = utf8Entries.get(value);
if (e == null) {
e = new Utf8Entry(value);
@@ -61,8 +61,8 @@
return e;
}
/** Factory for Class constants. */
- public static synchronized ClassEntry getClassEntry(String name) {
- Map<String, ClassEntry> classEntries = Utils.getClassEntries();
+ public static ClassEntry getClassEntry(String name) {
+ Map<String, ClassEntry> classEntries = Utils.getTLGlobals().getClassEntries();
ClassEntry e = classEntries.get(name);
if (e == null) {
e = new ClassEntry(getUtf8Entry(name));
@@ -72,8 +72,8 @@
return e;
}
/** Factory for literal constants (String, Integer, etc.). */
- public static synchronized LiteralEntry getLiteralEntry(Comparable<?> value) {
- Map<Object, LiteralEntry> literalEntries = Utils.getLiteralEntries();
+ public static LiteralEntry getLiteralEntry(Comparable<?> value) {
+ Map<Object, LiteralEntry> literalEntries = Utils.getTLGlobals().getLiteralEntries();
LiteralEntry e = literalEntries.get(value);
if (e == null) {
if (value instanceof String)
@@ -85,13 +85,13 @@
return e;
}
/** Factory for literal constants (String, Integer, etc.). */
- public static synchronized StringEntry getStringEntry(String value) {
+ public static StringEntry getStringEntry(String value) {
return (StringEntry) getLiteralEntry(value);
}
/** Factory for signature (type) constants. */
- public static synchronized SignatureEntry getSignatureEntry(String type) {
- Map<String, SignatureEntry> signatureEntries = Utils.getSignatureEntries();
+ public static SignatureEntry getSignatureEntry(String type) {
+ Map<String, SignatureEntry> signatureEntries = Utils.getTLGlobals().getSignatureEntries();
SignatureEntry e = signatureEntries.get(type);
if (e == null) {
e = new SignatureEntry(type);
@@ -106,8 +106,8 @@
}
/** Factory for descriptor (name-and-type) constants. */
- public static synchronized DescriptorEntry getDescriptorEntry(Utf8Entry nameRef, SignatureEntry typeRef) {
- Map<String, DescriptorEntry> descriptorEntries = Utils.getDescriptorEntries();
+ public static DescriptorEntry getDescriptorEntry(Utf8Entry nameRef, SignatureEntry typeRef) {
+ Map<String, DescriptorEntry> descriptorEntries = Utils.getTLGlobals().getDescriptorEntries();
String key = DescriptorEntry.stringValueOf(nameRef, typeRef);
DescriptorEntry e = descriptorEntries.get(key);
if (e == null) {
@@ -124,8 +124,8 @@
}
/** Factory for member reference constants. */
- public static synchronized MemberEntry getMemberEntry(byte tag, ClassEntry classRef, DescriptorEntry descRef) {
- Map<String, MemberEntry> memberEntries = Utils.getMemberEntries();
+ public static MemberEntry getMemberEntry(byte tag, ClassEntry classRef, DescriptorEntry descRef) {
+ Map<String, MemberEntry> memberEntries = Utils.getTLGlobals().getMemberEntries();
String key = MemberEntry.stringValueOf(tag, classRef, descRef);
MemberEntry e = memberEntries.get(key);
if (e == null) {
@@ -137,6 +137,61 @@
return e;
}
+ /** Factory for MethodHandle constants. */
+ public static MethodHandleEntry getMethodHandleEntry(byte refKind, MemberEntry memRef) {
+ Map<String, MethodHandleEntry> methodHandleEntries = Utils.getTLGlobals().getMethodHandleEntries();
+ String key = MethodHandleEntry.stringValueOf(refKind, memRef);
+ MethodHandleEntry e = methodHandleEntries.get(key);
+ if (e == null) {
+ e = new MethodHandleEntry(refKind, memRef);
+ assert(e.stringValue().equals(key));
+ methodHandleEntries.put(key, e);
+ }
+ return e;
+ }
+
+ /** Factory for MethodType constants. */
+ public static MethodTypeEntry getMethodTypeEntry(SignatureEntry sigRef) {
+ Map<String, MethodTypeEntry> methodTypeEntries = Utils.getTLGlobals().getMethodTypeEntries();
+ String key = sigRef.stringValue();
+ MethodTypeEntry e = methodTypeEntries.get(key);
+ if (e == null) {
+ e = new MethodTypeEntry(sigRef);
+ assert(e.stringValue().equals(key));
+ methodTypeEntries.put(key, e);
+ }
+ return e;
+ }
+ public static MethodTypeEntry getMethodTypeEntry(Utf8Entry typeRef) {
+ return getMethodTypeEntry(getSignatureEntry(typeRef.stringValue()));
+ }
+
+ /** Factory for InvokeDynamic constants. */
+ public static InvokeDynamicEntry getInvokeDynamicEntry(BootstrapMethodEntry bssRef, DescriptorEntry descRef) {
+ Map<String, InvokeDynamicEntry> invokeDynamicEntries = Utils.getTLGlobals().getInvokeDynamicEntries();
+ String key = InvokeDynamicEntry.stringValueOf(bssRef, descRef);
+ InvokeDynamicEntry e = invokeDynamicEntries.get(key);
+ if (e == null) {
+ e = new InvokeDynamicEntry(bssRef, descRef);
+ assert(e.stringValue().equals(key));
+ invokeDynamicEntries.put(key, e);
+ }
+ return e;
+ }
+
+ /** Factory for BootstrapMethod pseudo-constants. */
+ public static BootstrapMethodEntry getBootstrapMethodEntry(MethodHandleEntry bsmRef, Entry[] argRefs) {
+ Map<String, BootstrapMethodEntry> bootstrapMethodEntries = Utils.getTLGlobals().getBootstrapMethodEntries();
+ String key = BootstrapMethodEntry.stringValueOf(bsmRef, argRefs);
+ BootstrapMethodEntry e = bootstrapMethodEntries.get(key);
+ if (e == null) {
+ e = new BootstrapMethodEntry(bsmRef, argRefs);
+ assert(e.stringValue().equals(key));
+ bootstrapMethodEntries.put(key, e);
+ }
+ return e;
+ }
+
/** Entries in the constant pool. */
public static abstract
@@ -251,6 +306,10 @@
throw new RuntimeException("bad literal value "+value);
}
+ static boolean isRefKind(byte refKind) {
+ return (REF_getField <= refKind && refKind <= REF_invokeInterface);
+ }
+
public static abstract
class LiteralEntry extends Entry {
protected LiteralEntry(byte tag) {
@@ -404,7 +463,7 @@
}
static
String stringValueOf(Entry nameRef, Entry typeRef) {
- return typeRef.stringValue()+","+nameRef.stringValue();
+ return qualifiedStringValue(typeRef, nameRef);
}
public String prettyString() {
@@ -420,6 +479,15 @@
}
}
+ static String qualifiedStringValue(Entry e1, Entry e2) {
+ return qualifiedStringValue(e1.stringValue(), e2.stringValue());
+ }
+ static String qualifiedStringValue(String s1, String s234) {
+ // Qualification by dot must decompose uniquely. Second string might already be qualified.
+ assert(s1.indexOf(".") < 0);
+ return s1+"."+s234;
+ }
+
public static
class MemberEntry extends Entry {
final ClassEntry classRef;
@@ -453,8 +521,12 @@
int x = superCompareTo(o);
if (x == 0) {
MemberEntry that = (MemberEntry)o;
+ if (Utils.SORT_MEMBERS_DESCR_MAJOR)
+ // descRef is transmitted as UDELTA5; sort it first?
+ x = this.descRef.compareTo(that.descRef);
// Primary key is classRef.
- x = this.classRef.compareTo(that.classRef);
+ if (x == 0)
+ x = this.classRef.compareTo(that.classRef);
if (x == 0)
x = this.descRef.compareTo(that.descRef);
}
@@ -473,7 +545,7 @@
case CONSTANT_InterfaceMethodref: pfx = "IMethod:"; break;
default: pfx = tag+"???"; break;
}
- return pfx+classRef.stringValue()+","+descRef.stringValue();
+ return pfx+qualifiedStringValue(classRef, descRef);
}
public boolean isMethod() {
@@ -581,13 +653,26 @@
}
public byte getLiteralTag() {
switch (formRef.stringValue().charAt(0)) {
- case 'L': return CONSTANT_String;
case 'I': return CONSTANT_Integer;
case 'J': return CONSTANT_Long;
case 'F': return CONSTANT_Float;
case 'D': return CONSTANT_Double;
case 'B': case 'S': case 'C': case 'Z':
return CONSTANT_Integer;
+ case 'L':
+ /*
+ switch (classRefs[0].stringValue()) {
+ case "java/lang/String":
+ return CONSTANT_String;
+ case "java/lang/invoke/MethodHandle":
+ return CONSTANT_MethodHandle;
+ case "java/lang/invoke/MethodType":
+ return CONSTANT_MethodType;
+ default: // java/lang/Object, etc.
+ return CONSTANT_LoadableValue;
+ }
+ */
+ return CONSTANT_String; // JDK 7 ConstantValue limited to String
}
assert(false);
return CONSTANT_None;
@@ -724,6 +809,218 @@
return parts;
}
+ /** @since JDK 7, JSR 292 */
+ public static
+ class MethodHandleEntry extends Entry {
+ final int refKind;
+ final MemberEntry memRef;
+ public Entry getRef(int i) { return i == 0 ? memRef : null; }
+
+ protected int computeValueHash() {
+ int hc2 = refKind;
+ return (memRef.hashCode() + (hc2 << 8)) ^ hc2;
+ }
+
+ MethodHandleEntry(byte refKind, MemberEntry memRef) {
+ super(CONSTANT_MethodHandle);
+ assert(isRefKind(refKind));
+ this.refKind = refKind;
+ this.memRef = memRef;
+ hashCode(); // force computation of valueHash
+ }
+ public boolean equals(Object o) {
+ if (o == null || o.getClass() != MethodHandleEntry.class) {
+ return false;
+ }
+ MethodHandleEntry that = (MethodHandleEntry)o;
+ return this.refKind == that.refKind
+ && this.memRef.eq(that.memRef);
+ }
+ public int compareTo(Object o) {
+ int x = superCompareTo(o);
+ if (x == 0) {
+ MethodHandleEntry that = (MethodHandleEntry)o;
+ if (Utils.SORT_HANDLES_KIND_MAJOR)
+ // Primary key could be refKind.
+ x = this.refKind - that.refKind;
+ // Primary key is memRef, which is transmitted as UDELTA5.
+ if (x == 0)
+ x = this.memRef.compareTo(that.memRef);
+ if (x == 0)
+ x = this.refKind - that.refKind;
+ }
+ return x;
+ }
+ public static String stringValueOf(int refKind, MemberEntry memRef) {
+ return refKindName(refKind)+":"+memRef.stringValue();
+ }
+ public String stringValue() {
+ return stringValueOf(refKind, memRef);
+ }
+ }
+
+ /** @since JDK 7, JSR 292 */
+ public static
+ class MethodTypeEntry extends Entry {
+ final SignatureEntry typeRef;
+ public Entry getRef(int i) { return i == 0 ? typeRef : null; }
+
+ protected int computeValueHash() {
+ return typeRef.hashCode() + tag;
+ }
+
+ MethodTypeEntry(SignatureEntry typeRef) {
+ super(CONSTANT_MethodType);
+ this.typeRef = typeRef;
+ hashCode(); // force computation of valueHash
+ }
+ public boolean equals(Object o) {
+ if (o == null || o.getClass() != MethodTypeEntry.class) {
+ return false;
+ }
+ MethodTypeEntry that = (MethodTypeEntry)o;
+ return this.typeRef.eq(that.typeRef);
+ }
+ public int compareTo(Object o) {
+ int x = superCompareTo(o);
+ if (x == 0) {
+ MethodTypeEntry that = (MethodTypeEntry)o;
+ x = this.typeRef.compareTo(that.typeRef);
+ }
+ return x;
+ }
+ public String stringValue() {
+ return typeRef.stringValue();
+ }
+ }
+
+ /** @since JDK 7, JSR 292 */
+ public static
+ class InvokeDynamicEntry extends Entry {
+ final BootstrapMethodEntry bssRef;
+ final DescriptorEntry descRef;
+ public Entry getRef(int i) {
+ if (i == 0) return bssRef;
+ if (i == 1) return descRef;
+ return null;
+ }
+ protected int computeValueHash() {
+ int hc2 = descRef.hashCode();
+ return (bssRef.hashCode() + (hc2 << 8)) ^ hc2;
+ }
+
+ InvokeDynamicEntry(BootstrapMethodEntry bssRef, DescriptorEntry descRef) {
+ super(CONSTANT_InvokeDynamic);
+ this.bssRef = bssRef;
+ this.descRef = descRef;
+ hashCode(); // force computation of valueHash
+ }
+ public boolean equals(Object o) {
+ if (o == null || o.getClass() != InvokeDynamicEntry.class) {
+ return false;
+ }
+ InvokeDynamicEntry that = (InvokeDynamicEntry)o;
+ return this.bssRef.eq(that.bssRef)
+ && this.descRef.eq(that.descRef);
+ }
+ public int compareTo(Object o) {
+ int x = superCompareTo(o);
+ if (x == 0) {
+ InvokeDynamicEntry that = (InvokeDynamicEntry)o;
+ if (Utils.SORT_INDY_BSS_MAJOR)
+ // Primary key could be bsmRef.
+ x = this.bssRef.compareTo(that.bssRef);
+ // Primary key is descriptor, which is transmitted as UDELTA5.
+ if (x == 0)
+ x = this.descRef.compareTo(that.descRef);
+ if (x == 0)
+ x = this.bssRef.compareTo(that.bssRef);
+ }
+ return x;
+ }
+ public String stringValue() {
+ return stringValueOf(bssRef, descRef);
+ }
+ static
+ String stringValueOf(BootstrapMethodEntry bssRef, DescriptorEntry descRef) {
+ return "Indy:"+bssRef.stringValue()+"."+descRef.stringValue();
+ }
+ }
+
+ /** @since JDK 7, JSR 292 */
+ public static
+ class BootstrapMethodEntry extends Entry {
+ final MethodHandleEntry bsmRef;
+ final Entry[] argRefs;
+ public Entry getRef(int i) {
+ if (i == 0) return bsmRef;
+ if (i-1 < argRefs.length) return argRefs[i-1];
+ return null;
+ }
+ protected int computeValueHash() {
+ int hc2 = bsmRef.hashCode();
+ return (Arrays.hashCode(argRefs) + (hc2 << 8)) ^ hc2;
+ }
+
+ BootstrapMethodEntry(MethodHandleEntry bsmRef, Entry[] argRefs) {
+ super(CONSTANT_BootstrapMethod);
+ this.bsmRef = bsmRef;
+ this.argRefs = argRefs.clone();
+ hashCode(); // force computation of valueHash
+ }
+ public boolean equals(Object o) {
+ if (o == null || o.getClass() != BootstrapMethodEntry.class) {
+ return false;
+ }
+ BootstrapMethodEntry that = (BootstrapMethodEntry)o;
+ return this.bsmRef.eq(that.bsmRef)
+ && Arrays.equals(this.argRefs, that.argRefs);
+ }
+ public int compareTo(Object o) {
+ int x = superCompareTo(o);
+ if (x == 0) {
+ BootstrapMethodEntry that = (BootstrapMethodEntry)o;
+ if (Utils.SORT_BSS_BSM_MAJOR)
+ // Primary key is bsmRef.
+ x = this.bsmRef.compareTo(that.bsmRef);
+ // Primary key is args array length, which is transmitted as UDELTA5.
+ if (x == 0)
+ x = compareArgArrays(this.argRefs, that.argRefs);
+ if (x == 0)
+ x = this.bsmRef.compareTo(that.bsmRef);
+ }
+ return x;
+ }
+ public String stringValue() {
+ return stringValueOf(bsmRef, argRefs);
+ }
+ static
+ String stringValueOf(MethodHandleEntry bsmRef, Entry[] argRefs) {
+ StringBuffer sb = new StringBuffer(bsmRef.stringValue());
+ // Arguments are formatted as "<foo;bar;baz>" instead of "[foo,bar,baz]".
+ // This ensures there will be no confusion if "[,]" appear inside of names.
+ char nextSep = '<';
+ boolean didOne = false;
+ for (Entry argRef : argRefs) {
+ sb.append(nextSep).append(argRef.stringValue());
+ nextSep = ';';
+ }
+ if (nextSep == '<') sb.append(nextSep);
+ sb.append('>');
+ return sb.toString();
+ }
+ static
+ int compareArgArrays(Entry[] a1, Entry[] a2) {
+ int x = a1.length - a2.length;
+ if (x != 0) return x;
+ for (int i = 0; i < a1.length; i++) {
+ x = a1[i].compareTo(a2[i]);
+ if (x != 0) break;
+ }
+ return x;
+ }
+ }
+
// Handy constants:
protected static final Entry[] noRefs = {};
protected static final ClassEntry[] noClassRefs = {};
@@ -964,35 +1261,51 @@
/** Coherent group of constant pool indexes. */
public static
class IndexGroup {
- private Index indexUntyped;
private Index[] indexByTag = new Index[CONSTANT_Limit];
+ private Index[] indexByTagGroup;
private int[] untypedFirstIndexByTag;
- private int totalSize;
+ private int totalSizeQQ;
private Index[][] indexByTagAndClass;
/** Index of all CP entries of all types, in definition order. */
- public Index getUntypedIndex() {
- if (indexUntyped == null) {
+ private Index makeTagGroupIndex(byte tagGroupTag, byte[] tagsInGroup) {
+ if (indexByTagGroup == null)
+ indexByTagGroup = new Index[CONSTANT_GroupLimit - CONSTANT_GroupFirst];
+ int which = tagGroupTag - CONSTANT_GroupFirst;
+ assert(indexByTagGroup[which] == null);
+ int fillp = 0;
+ Entry[] cpMap = null;
+ for (int pass = 1; pass <= 2; pass++) {
untypedIndexOf(null); // warm up untypedFirstIndexByTag
- Entry[] cpMap = new Entry[totalSize];
- for (int tag = 0; tag < indexByTag.length; tag++) {
+ for (byte tag : tagsInGroup) {
Index ix = indexByTag[tag];
if (ix == null) continue;
int ixLen = ix.cpMap.length;
if (ixLen == 0) continue;
- int fillp = untypedFirstIndexByTag[tag];
- assert(cpMap[fillp] == null);
- assert(cpMap[fillp+ixLen-1] == null);
- System.arraycopy(ix.cpMap, 0, cpMap, fillp, ixLen);
+ assert(tagGroupTag == CONSTANT_All
+ ? fillp == untypedFirstIndexByTag[tag]
+ : fillp < untypedFirstIndexByTag[tag]);
+ if (cpMap != null) {
+ assert(cpMap[fillp] == null);
+ assert(cpMap[fillp+ixLen-1] == null);
+ System.arraycopy(ix.cpMap, 0, cpMap, fillp, ixLen);
+ }
+ fillp += ixLen;
}
- indexUntyped = new Index("untyped", cpMap);
+ if (cpMap == null) {
+ assert(pass == 1);
+ // get ready for pass 2
+ cpMap = new Entry[fillp];
+ fillp = 0;
+ }
}
- return indexUntyped;
+ indexByTagGroup[which] = new Index(tagName(tagGroupTag), cpMap);
+ return indexByTagGroup[which];
}
public int untypedIndexOf(Entry e) {
if (untypedFirstIndexByTag == null) {
- untypedFirstIndexByTag = new int[CONSTANT_Limit];
+ untypedFirstIndexByTag = new int[CONSTANT_Limit+1];
int fillp = 0;
for (int i = 0; i < TAGS_IN_ORDER.length; i++) {
byte tag = TAGS_IN_ORDER[i];
@@ -1002,7 +1315,7 @@
untypedFirstIndexByTag[tag] = fillp;
fillp += ixLen;
}
- totalSize = fillp;
+ untypedFirstIndexByTag[CONSTANT_Limit] = fillp;
}
if (e == null) return -1;
int tag = e.tag;
@@ -1028,16 +1341,15 @@
indexByTag[tag] = ix;
// decache indexes derived from this one:
untypedFirstIndexByTag = null;
- indexUntyped = null;
+ indexByTagGroup = null;
if (indexByTagAndClass != null)
indexByTagAndClass[tag] = null;
}
/** Index of all CP entries of a given tag. */
public Index getIndexByTag(byte tag) {
- if (tag == CONSTANT_All) {
- return getUntypedIndex();
- }
+ if (tag >= CONSTANT_GroupFirst)
+ return getIndexByTagGroup(tag);
Index ix = indexByTag[tag];
if (ix == null) {
// Make an empty one by default.
@@ -1047,6 +1359,26 @@
return ix;
}
+ private Index getIndexByTagGroup(byte tag) {
+ // pool groups:
+ if (indexByTagGroup != null) {
+ Index ix = indexByTagGroup[tag - CONSTANT_GroupFirst];
+ if (ix != null) return ix;
+ }
+ switch (tag) {
+ case CONSTANT_All:
+ return makeTagGroupIndex(CONSTANT_All, TAGS_IN_ORDER);
+ case CONSTANT_LoadableValue:
+ return makeTagGroupIndex(CONSTANT_LoadableValue, LOADABLE_VALUE_TAGS);
+ case CONSTANT_AnyMember:
+ return makeTagGroupIndex(CONSTANT_AnyMember, ANY_MEMBER_TAGS);
+ case CONSTANT_FieldSpecific:
+ // This one does not have any fixed index, since it is context-specific.
+ return null;
+ }
+ throw new AssertionError("bad tag group "+tag);
+ }
+
/** Index of all CP entries of a given tag and class. */
public Index getMemberIndex(byte tag, ClassEntry classRef) {
if (indexByTagAndClass == null)
@@ -1107,16 +1439,14 @@
}
public boolean haveNumbers() {
- for (byte tag = CONSTANT_Integer; tag <= CONSTANT_Double; tag++) {
- switch (tag) {
- case CONSTANT_Integer:
- case CONSTANT_Float:
- case CONSTANT_Long:
- case CONSTANT_Double:
- break;
- default:
- assert(false);
- }
+ for (byte tag : NUMBER_TAGS) {
+ if (getIndexByTag(tag).size() > 0) return true;
+ }
+ return false;
+ }
+
+ public boolean haveExtraTags() {
+ for (byte tag : EXTRA_TAGS) {
if (getIndexByTag(tag).size() > 0) return true;
}
return false;
@@ -1129,8 +1459,13 @@
* by their equivalent Utf8s.
* Also, discard null from cpRefs.
*/
+ public static void completeReferencesIn(Set<Entry> cpRefs, boolean flattenSigs) {
+ completeReferencesIn(cpRefs, flattenSigs, null);
+ }
+
public static
- void completeReferencesIn(Set<Entry> cpRefs, boolean flattenSigs) {
+ void completeReferencesIn(Set<Entry> cpRefs, boolean flattenSigs,
+ List<BootstrapMethodEntry>bsms) {
cpRefs.remove(null);
for (ListIterator<Entry> work =
new ArrayList<>(cpRefs).listIterator(cpRefs.size());
@@ -1146,6 +1481,14 @@
cpRefs.add(ue);
e = ue; // do not descend into the sig
}
+ if (bsms != null && e.tag == CONSTANT_BootstrapMethod) {
+ BootstrapMethodEntry bsm = (BootstrapMethodEntry)e;
+ cpRefs.remove(bsm);
+ // move it away to the side table where it belongs
+ if (!bsms.contains(bsm))
+ bsms.add(bsm);
+ // fall through to recursively add refs for this entry
+ }
// Recursively add the refs of e to cpRefs:
for (int i = 0; ; i++) {
Entry re = e.getRef(i);
@@ -1174,15 +1517,37 @@
case CONSTANT_Methodref: return "Methodref";
case CONSTANT_InterfaceMethodref: return "InterfaceMethodref";
case CONSTANT_NameandType: return "NameandType";
+ case CONSTANT_MethodHandle: return "MethodHandle";
+ case CONSTANT_MethodType: return "MethodType";
+ case CONSTANT_InvokeDynamic: return "InvokeDynamic";
// pseudo-tags:
- case CONSTANT_All: return "*All";
- case CONSTANT_None: return "*None";
+ case CONSTANT_All: return "**All";
+ case CONSTANT_None: return "**None";
+ case CONSTANT_LoadableValue: return "**LoadableValue";
+ case CONSTANT_AnyMember: return "**AnyMember";
+ case CONSTANT_FieldSpecific: return "*FieldSpecific";
case CONSTANT_Signature: return "*Signature";
+ case CONSTANT_BootstrapMethod: return "*BootstrapMethod";
}
return "tag#"+tag;
}
+ public static String refKindName(int refKind) {
+ switch (refKind) {
+ case REF_getField: return "getField";
+ case REF_getStatic: return "getStatic";
+ case REF_putField: return "putField";
+ case REF_putStatic: return "putStatic";
+ case REF_invokeVirtual: return "invokeVirtual";
+ case REF_invokeStatic: return "invokeStatic";
+ case REF_invokeSpecial: return "invokeSpecial";
+ case REF_newInvokeSpecial: return "newInvokeSpecial";
+ case REF_invokeInterface: return "invokeInterface";
+ }
+ return "refKind#"+refKind;
+ }
+
// archive constant pool definition order
static final byte TAGS_IN_ORDER[] = {
CONSTANT_Utf8,
@@ -1190,13 +1555,19 @@
CONSTANT_Float,
CONSTANT_Long,
CONSTANT_Double,
- CONSTANT_String,
+ CONSTANT_String, // note that String=8 precedes Class=7
CONSTANT_Class,
CONSTANT_Signature,
CONSTANT_NameandType, // cp_Descr
CONSTANT_Fieldref, // cp_Field
CONSTANT_Methodref, // cp_Method
- CONSTANT_InterfaceMethodref // cp_Imethod
+ CONSTANT_InterfaceMethodref, // cp_Imethod
+
+ // Constants defined in JDK 7 and later:
+ CONSTANT_MethodHandle,
+ CONSTANT_MethodType,
+ CONSTANT_BootstrapMethod, // pseudo-tag, really stored in a class attribute
+ CONSTANT_InvokeDynamic
};
static final byte TAG_ORDER[];
static {
@@ -1211,4 +1582,45 @@
System.out.println("};");
*/
}
+ static final byte[] NUMBER_TAGS = {
+ CONSTANT_Integer, CONSTANT_Float, CONSTANT_Long, CONSTANT_Double
+ };
+ static final byte[] EXTRA_TAGS = {
+ CONSTANT_MethodHandle, CONSTANT_MethodType,
+ CONSTANT_BootstrapMethod, // pseudo-tag
+ CONSTANT_InvokeDynamic
+ };
+ static final byte[] LOADABLE_VALUE_TAGS = { // for CONSTANT_LoadableValue
+ CONSTANT_Integer, CONSTANT_Float, CONSTANT_Long, CONSTANT_Double,
+ CONSTANT_String, CONSTANT_Class,
+ CONSTANT_MethodHandle, CONSTANT_MethodType
+ };
+ static final byte[] ANY_MEMBER_TAGS = { // for CONSTANT_AnyMember
+ CONSTANT_Fieldref, CONSTANT_Methodref, CONSTANT_InterfaceMethodref
+ };
+ static final byte[] FIELD_SPECIFIC_TAGS = { // for CONSTANT_FieldSpecific
+ CONSTANT_Integer, CONSTANT_Float, CONSTANT_Long, CONSTANT_Double,
+ CONSTANT_String
+ };
+ static {
+ assert(
+ verifyTagOrder(TAGS_IN_ORDER) &&
+ verifyTagOrder(NUMBER_TAGS) &&
+ verifyTagOrder(EXTRA_TAGS) &&
+ verifyTagOrder(LOADABLE_VALUE_TAGS) &&
+ verifyTagOrder(ANY_MEMBER_TAGS) &&
+ verifyTagOrder(FIELD_SPECIFIC_TAGS)
+ );
+ }
+ private static boolean verifyTagOrder(byte[] tags) {
+ int prev = -1;
+ for (byte tag : tags) {
+ int next = TAG_ORDER[tag];
+ assert(next > 0) : "tag not found: "+tag;
+ assert(TAGS_IN_ORDER[next-1] == tag) : "tag repeated: "+tag+" => "+next+" => "+TAGS_IN_ORDER[next-1];
+ assert(prev < next) : "tags not in order: "+Arrays.toString(tags)+" at "+tag;
+ prev = next;
+ }
+ return true;
+ }
}
--- a/jdk/src/share/classes/com/sun/java/util/jar/pack/Constants.java Sun Apr 22 19:09:02 2012 +0100
+++ b/jdk/src/share/classes/com/sun/java/util/jar/pack/Constants.java Sun Apr 22 19:12:39 2012 +0100
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2001, 2011, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2001, 2012, Oracle and/or its affiliates. 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
@@ -65,6 +65,9 @@
public final static int JAVA6_PACKAGE_MAJOR_VERSION = 160;
public final static int JAVA6_PACKAGE_MINOR_VERSION = 1;
+ public final static int JAVA7_PACKAGE_MAJOR_VERSION = 170;
+ public final static int JAVA7_PACKAGE_MINOR_VERSION = 1;
+
public final static int CONSTANT_POOL_INDEX_LIMIT = 0x10000;
public final static int CONSTANT_POOL_NARROW_LIMIT = 0x00100;
@@ -82,14 +85,36 @@
public final static byte CONSTANT_Methodref = 10;
public final static byte CONSTANT_InterfaceMethodref = 11;
public final static byte CONSTANT_NameandType = 12;
+ public final static byte CONSTANT_unused13 = 13;
+ public final static byte CONSTANT_unused14 = 14;
+ public final static byte CONSTANT_MethodHandle = 15;
+ public final static byte CONSTANT_MethodType = 16;
+ public final static byte CONSTANT_unused17 = 17; // unused
+ public final static byte CONSTANT_InvokeDynamic = 18;
// pseudo-constants:
public final static byte CONSTANT_None = 0;
- public final static byte CONSTANT_Signature = 13;
- public final static byte CONSTANT_Limit = 14;
+ public final static byte CONSTANT_Signature = CONSTANT_unused13;
+ public final static byte CONSTANT_BootstrapMethod = CONSTANT_unused17; // used only in InvokeDynamic constants
+ public final static byte CONSTANT_Limit = 19;
+
+ public final static byte CONSTANT_All = 50; // combined global map
+ public final static byte CONSTANT_LoadableValue = 51; // used for 'KL' and qldc operands
+ public final static byte CONSTANT_AnyMember = 52; // union of refs to field or (interface) method
+ public final static byte CONSTANT_FieldSpecific = 53; // used only for 'KQ' ConstantValue attrs
+ public final static byte CONSTANT_GroupFirst = CONSTANT_All;
+ public final static byte CONSTANT_GroupLimit = CONSTANT_FieldSpecific+1;
- public final static byte CONSTANT_All = 19; // combined global map
- public final static byte CONSTANT_Literal = 20; // used only for ldc fields
+ // CONSTANT_MethodHandle reference kinds
+ public final static byte REF_getField = 1;
+ public final static byte REF_getStatic = 2;
+ public final static byte REF_putField = 3;
+ public final static byte REF_putStatic = 4;
+ public final static byte REF_invokeVirtual = 5;
+ public final static byte REF_invokeStatic = 6;
+ public final static byte REF_invokeSpecial = 7;
+ public final static byte REF_newInvokeSpecial = 8;
+ public final static byte REF_invokeInterface = 9;
// pseudo-access bits
public final static int ACC_IC_LONG_FORM = (1<<16); //for ic_flags
@@ -133,7 +158,7 @@
public static final int AO_HAVE_SPECIAL_FORMATS = 1<<0;
public static final int AO_HAVE_CP_NUMBERS = 1<<1;
public static final int AO_HAVE_ALL_CODE_FLAGS = 1<<2;
- public static final int AO_3_UNUSED_MBZ = 1<<3;
+ public static final int AO_HAVE_CP_EXTRAS = 1<<3;
public static final int AO_HAVE_FILE_HEADERS = 1<<4;
public static final int AO_DEFLATE_HINT = 1<<5;
public static final int AO_HAVE_FILE_MODTIME = 1<<6;
@@ -143,6 +168,7 @@
public static final int AO_HAVE_FIELD_FLAGS_HI = 1<<10;
public static final int AO_HAVE_METHOD_FLAGS_HI = 1<<11;
public static final int AO_HAVE_CODE_FLAGS_HI = 1<<12;
+ public static final int AO_UNUSED_MBZ = (-1)<<13; // option bits reserved for future use
public static final int LG_AO_HAVE_XXX_FLAGS_HI = 9;
@@ -357,7 +383,7 @@
_invokespecial = 183, // 0xb7
_invokestatic = 184, // 0xb8
_invokeinterface = 185, // 0xb9
- _xxxunusedxxx = 186, // 0xba
+ _invokedynamic = 186, // 0xba
_new = 187, // 0xbb
_newarray = 188, // 0xbc
_anewarray = 189, // 0xbd
@@ -422,15 +448,18 @@
// Ldc variants gain us only 0.007% improvement in compression ratio,
// but they simplify the file format greatly.
public final static int _xldc_op = _invokeinit_limit;
- public final static int _aldc = _ldc;
+ public final static int _sldc = _ldc; // previously named _aldc
public final static int _cldc = _xldc_op+0;
public final static int _ildc = _xldc_op+1;
public final static int _fldc = _xldc_op+2;
- public final static int _aldc_w = _ldc_w;
+ public final static int _sldc_w = _ldc_w; // previously named _aldc_w
public final static int _cldc_w = _xldc_op+3;
public final static int _ildc_w = _xldc_op+4;
public final static int _fldc_w = _xldc_op+5;
public final static int _lldc2_w = _ldc2_w;
public final static int _dldc2_w = _xldc_op+6;
- public final static int _xldc_limit = _xldc_op+7;
+ // anything other than primitive, string, or class must be handled with qldc:
+ public final static int _qldc = _xldc_op+7;
+ public final static int _qldc_w = _xldc_op+8;
+ public final static int _xldc_limit = _xldc_op+9;
}
--- a/jdk/src/share/classes/com/sun/java/util/jar/pack/Instruction.java Sun Apr 22 19:09:02 2012 +0100
+++ b/jdk/src/share/classes/com/sun/java/util/jar/pack/Instruction.java Sun Apr 22 19:12:39 2012 +0100
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2001, 2011, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2001, 2012, Oracle and/or its affiliates. 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
@@ -451,7 +451,7 @@
public static byte getCPRefOpTag(int bc) {
if (bc < BC_INDEX[0].length && BC_INDEX[0][bc] > 0) return BC_TAG[0][bc];
- if (bc >= _xldc_op && bc < _xldc_limit) return CONSTANT_Literal;
+ if (bc >= _xldc_op && bc < _xldc_limit) return CONSTANT_LoadableValue;
return CONSTANT_None;
}
@@ -500,7 +500,7 @@
def("bkf", _getstatic, _putfield); // pack kf (base=Field)
def("bkm", _invokevirtual, _invokestatic); // pack kn (base=Method)
def("bkixx", _invokeinterface); // pack ki (base=IMethod), omit xx
- def("", _xxxunusedxxx);
+ def("bkyxx", _invokedynamic); // pack ky (base=Any), omit xx
def("bkc", _new); // pack kc
def("bx", _newarray);
def("bkc", _anewarray); // pack kc
@@ -515,7 +515,6 @@
//System.out.println(i+": l="+BC_LENGTH[0][i]+" i="+BC_INDEX[0][i]);
//assert(BC_LENGTH[0][i] != -1);
if (BC_LENGTH[0][i] == -1) {
- assert(i == _xxxunusedxxx);
continue; // unknown opcode
}
@@ -543,7 +542,7 @@
"if_icmpne if_icmplt if_icmpge if_icmpgt if_icmple if_acmpeq if_acmpne "+
"goto jsr ret tableswitch lookupswitch ireturn lreturn freturn dreturn "+
"areturn return getstatic putstatic getfield putfield invokevirtual "+
- "invokespecial invokestatic invokeinterface xxxunusedxxx new newarray "+
+ "invokespecial invokestatic invokeinterface invokedynamic new newarray "+
"anewarray arraylength athrow checkcast instanceof monitorenter "+
"monitorexit wide multianewarray ifnull ifnonnull goto_w jsr_w ";
for (int bc = 0; names.length() > 0; bc++) {
@@ -588,6 +587,8 @@
case _dldc2_w: iname = "*dldc2_w"; break;
case _cldc: iname = "*cldc"; break;
case _cldc_w: iname = "*cldc_w"; break;
+ case _qldc: iname = "*qldc"; break;
+ case _qldc_w: iname = "*qldc_w"; break;
case _byte_escape: iname = "*byte_escape"; break;
case _ref_escape: iname = "*ref_escape"; break;
case _end_marker: iname = "*end"; break;
@@ -618,15 +619,16 @@
if (index > 0 && index+1 < length) {
switch (fmt.charAt(index+1)) {
case 'c': tag = CONSTANT_Class; break;
- case 'k': tag = CONSTANT_Literal; break;
+ case 'k': tag = CONSTANT_LoadableValue; break;
case 'f': tag = CONSTANT_Fieldref; break;
case 'm': tag = CONSTANT_Methodref; break;
case 'i': tag = CONSTANT_InterfaceMethodref; break;
+ case 'y': tag = CONSTANT_InvokeDynamic; break;
}
assert(tag != CONSTANT_None);
} else if (index > 0 && length == 2) {
assert(from_bc == _ldc);
- tag = CONSTANT_Literal; // _ldc opcode only
+ tag = CONSTANT_LoadableValue; // _ldc opcode only
}
for (int bc = from_bc; bc <= to_bc; bc++) {
BC_FORMAT[w][bc] = fmt;
@@ -649,7 +651,7 @@
Instruction i = at(code, 0);
while (i != null) {
int opcode = i.getBC();
- if (opcode == _xxxunusedxxx || opcode < _nop || opcode > _jsr_w) {
+ if (opcode < _nop || opcode > _jsr_w) {
String message = "illegal opcode: " + opcode + " " + i;
throw new FormatException(message);
}
--- a/jdk/src/share/classes/com/sun/java/util/jar/pack/Package.java Sun Apr 22 19:09:02 2012 +0100
+++ b/jdk/src/share/classes/com/sun/java/util/jar/pack/Package.java Sun Apr 22 19:12:39 2012 +0100
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2001, 2011, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2001, 2012, Oracle and/or its affiliates. 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
@@ -28,6 +28,7 @@
import com.sun.java.util.jar.pack.Attribute.Layout;
import com.sun.java.util.jar.pack.ConstantPool.ClassEntry;
import com.sun.java.util.jar.pack.ConstantPool.DescriptorEntry;
+import com.sun.java.util.jar.pack.ConstantPool.BootstrapMethodEntry;
import com.sun.java.util.jar.pack.ConstantPool.Index;
import com.sun.java.util.jar.pack.ConstantPool.LiteralEntry;
import com.sun.java.util.jar.pack.ConstantPool.Utf8Entry;
@@ -100,6 +101,8 @@
classes.clear();
files.clear();
BandStructure.nextSeqForDebug = 0;
+ package_minver = -1; // fill in later
+ package_majver = 0; // fill in later
}
int getPackageVersion() {
@@ -108,6 +111,7 @@
// Special empty versions of Code and InnerClasses, used for markers.
public static final Attribute.Layout attrCodeEmpty;
+ public static final Attribute.Layout attrBootstrapMethodsEmpty;
public static final Attribute.Layout attrInnerClassesEmpty;
public static final Attribute.Layout attrSourceFileSpecial;
public static final Map<Attribute.Layout, Attribute> attrDefs;
@@ -115,6 +119,8 @@
Map<Layout, Attribute> ad = new HashMap<>(3);
attrCodeEmpty = Attribute.define(ad, ATTR_CONTEXT_METHOD,
"Code", "").layout();
+ attrBootstrapMethodsEmpty = Attribute.define(ad, ATTR_CONTEXT_CLASS,
+ "BootstrapMethods", "").layout();
attrInnerClassesEmpty = Attribute.define(ad, ATTR_CONTEXT_CLASS,
"InnerClasses", "").layout();
attrSourceFileSpecial = Attribute.define(ad, ATTR_CONTEXT_CLASS,
@@ -153,9 +159,8 @@
package_minver = JAVA6_PACKAGE_MINOR_VERSION;
} else {
// Normal case. Use the newest archive format, when available
- // TODO: replace the following with JAVA7* when the need arises
- package_majver = JAVA6_PACKAGE_MAJOR_VERSION;
- package_minver = JAVA6_PACKAGE_MINOR_VERSION;
+ package_majver = JAVA7_PACKAGE_MAJOR_VERSION;
+ package_minver = JAVA7_PACKAGE_MINOR_VERSION;
}
}
@@ -168,13 +173,22 @@
String expMag = Integer.toHexString(JAVA_PACKAGE_MAGIC);
throw new IOException("Unexpected package magic number: got "+gotMag+"; expected "+expMag);
}
- if ((package_majver != JAVA6_PACKAGE_MAJOR_VERSION &&
- package_majver != JAVA5_PACKAGE_MAJOR_VERSION) ||
- (package_minver != JAVA6_PACKAGE_MINOR_VERSION &&
- package_minver != JAVA5_PACKAGE_MINOR_VERSION)) {
-
+ int[] majminFound = null;
+ for (int[] majmin : new int[][]{
+ { JAVA7_PACKAGE_MAJOR_VERSION, JAVA7_PACKAGE_MINOR_VERSION },
+ { JAVA6_PACKAGE_MAJOR_VERSION, JAVA6_PACKAGE_MINOR_VERSION },
+ { JAVA5_PACKAGE_MAJOR_VERSION, JAVA5_PACKAGE_MINOR_VERSION }
+ }) {
+ if (package_majver == majmin[0] && package_minver == majmin[1]) {
+ majminFound = majmin;
+ break;
+ }
+ }
+ if (majminFound == null) {
String gotVer = package_majver+"."+package_minver;
- String expVer = JAVA6_PACKAGE_MAJOR_VERSION+"."+JAVA6_PACKAGE_MINOR_VERSION+
+ String expVer = JAVA7_PACKAGE_MAJOR_VERSION+"."+JAVA7_PACKAGE_MINOR_VERSION+
+ " OR "+
+ JAVA6_PACKAGE_MAJOR_VERSION+"."+JAVA6_PACKAGE_MINOR_VERSION+
" OR "+
JAVA5_PACKAGE_MAJOR_VERSION+"."+JAVA5_PACKAGE_MINOR_VERSION;
throw new IOException("Unexpected package minor version: got "+gotVer+"; expected "+expVer);
@@ -213,6 +227,7 @@
//ArrayList attributes; // in Attribute.Holder.this.attributes
// Note that InnerClasses may be collected at the package level.
ArrayList<InnerClass> innerClasses;
+ ArrayList<BootstrapMethodEntry> bootstrapMethods;
Class(int flags, ClassEntry thisClass, ClassEntry superClass, ClassEntry[] interfaces) {
this.magic = JAVA_MAGIC;
@@ -313,6 +328,25 @@
this.cpMap = cpMap;
}
+ boolean hasBootstrapMethods() {
+ return bootstrapMethods != null && !bootstrapMethods.isEmpty();
+ }
+
+ List<BootstrapMethodEntry> getBootstrapMethods() {
+ return bootstrapMethods;
+ }
+
+ BootstrapMethodEntry[] getBootstrapMethodMap() {
+ return (hasBootstrapMethods())
+ ? bootstrapMethods.toArray(new BootstrapMethodEntry[bootstrapMethods.size()])
+ : null;
+ }
+
+ void setBootstrapMethods(Collection<BootstrapMethodEntry> bsms) {
+ assert(bootstrapMethods == null); // do not do this twice
+ bootstrapMethods = new ArrayList<>(bsms);
+ }
+
boolean hasInnerClasses() {
return innerClasses != null;
}
@@ -1283,7 +1317,8 @@
byTagU[tag] = null; // done with it
}
for (int i = 0; i < byTagU.length; i++) {
- assert(byTagU[i] == null); // all consumed
+ Index ix = byTagU[i];
+ assert(ix == null); // all consumed
}
for (int i = 0; i < ConstantPool.TAGS_IN_ORDER.length; i++) {
byte tag = ConstantPool.TAGS_IN_ORDER[i];
--- a/jdk/src/share/classes/com/sun/java/util/jar/pack/PackageReader.java Sun Apr 22 19:09:02 2012 +0100
+++ b/jdk/src/share/classes/com/sun/java/util/jar/pack/PackageReader.java Sun Apr 22 19:12:39 2012 +0100
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2001, 2011, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2001, 2012, Oracle and/or its affiliates. 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
@@ -25,13 +25,7 @@
package com.sun.java.util.jar.pack;
-import com.sun.java.util.jar.pack.ConstantPool.ClassEntry;
-import com.sun.java.util.jar.pack.ConstantPool.DescriptorEntry;
-import com.sun.java.util.jar.pack.ConstantPool.Entry;
-import com.sun.java.util.jar.pack.ConstantPool.Index;
-import com.sun.java.util.jar.pack.ConstantPool.MemberEntry;
-import com.sun.java.util.jar.pack.ConstantPool.SignatureEntry;
-import com.sun.java.util.jar.pack.ConstantPool.Utf8Entry;
+import com.sun.java.util.jar.pack.ConstantPool.*;
import com.sun.java.util.jar.pack.Package.Class;
import com.sun.java.util.jar.pack.Package.File;
import com.sun.java.util.jar.pack.Package.InnerClass;
@@ -46,6 +40,7 @@
import java.util.Map;
import java.util.Arrays;
import java.util.Collection;
+import java.util.Collections;
import java.util.Comparator;
import java.util.HashSet;
import java.util.HashMap;
@@ -266,7 +261,6 @@
// #band_headers_size :UNSIGNED5[1]
// #attr_definition_count :UNSIGNED5[1]
//
- assert(AH_LENGTH == 8+(ConstantPool.TAGS_IN_ORDER.length)+6);
archive_header_0.expectLength(AH_LENGTH_0);
archive_header_0.readFrom(in);
@@ -282,6 +276,7 @@
boolean haveSpecial = testBit(archiveOptions, AO_HAVE_SPECIAL_FORMATS);
boolean haveFiles = testBit(archiveOptions, AO_HAVE_FILE_HEADERS);
boolean haveNumbers = testBit(archiveOptions, AO_HAVE_CP_NUMBERS);
+ boolean haveCPExtra = testBit(archiveOptions, AO_HAVE_CP_EXTRAS);
initAttrIndexLimit();
// now we are ready to use the data:
@@ -300,11 +295,11 @@
archive_header_S.doneDisbursing();
archiveSize0 = in.getBytesServed();
- int remainingHeaders = AH_LENGTH - AH_LENGTH_0 - AH_LENGTH_S;
- if (!haveFiles) remainingHeaders -= AH_FILE_HEADER_LEN-AH_LENGTH_S;
- if (!haveSpecial) remainingHeaders -= AH_SPECIAL_FORMAT_LEN;
- if (!haveNumbers) remainingHeaders -= AH_CP_NUMBER_LEN;
- assert(remainingHeaders >= AH_LENGTH_MIN - AH_LENGTH_0);
+ int remainingHeaders = AH_LENGTH_MIN - AH_LENGTH_0 - AH_LENGTH_S;
+ if (haveFiles) remainingHeaders += AH_FILE_HEADER_LEN;
+ if (haveSpecial) remainingHeaders += AH_SPECIAL_FORMAT_LEN;
+ if (haveNumbers) remainingHeaders += AH_CP_NUMBER_LEN;
+ if (haveCPExtra) remainingHeaders += AH_CP_EXTRA_LEN;
archive_header_1.expectLength(remainingHeaders);
archive_header_1.readFrom(in);
@@ -325,7 +320,7 @@
numAttrDefs = 0;
}
- readConstantPoolCounts(haveNumbers);
+ readConstantPoolCounts(haveNumbers, haveCPExtra);
numInnerClasses = archive_header_1.getInt();
@@ -351,7 +346,7 @@
band_headers.doneDisbursing();
}
- void readConstantPoolCounts(boolean haveNumbers) throws IOException {
+ void readConstantPoolCounts(boolean haveNumbers, boolean haveCPExtra) throws IOException {
// size the constant pools:
for (int k = 0; k < ConstantPool.TAGS_IN_ORDER.length; k++) {
// cp_counts:
@@ -364,6 +359,7 @@
// #cp_Field_count :UNSIGNED5[1]
// #cp_Method_count :UNSIGNED5[1]
// #cp_Imethod_count :UNSIGNED5[1]
+ // (cp_attr_counts) ** (#have_cp_attr_counts)
//
// cp_number_counts:
// #cp_Int_count :UNSIGNED5[1]
@@ -371,6 +367,12 @@
// #cp_Long_count :UNSIGNED5[1]
// #cp_Double_count :UNSIGNED5[1]
//
+ // cp_extra_counts:
+ // #cp_MethodHandle_count :UNSIGNED5[1]
+ // #cp_MethodType_count :UNSIGNED5[1]
+ // #cp_InvokeDynamic_count :UNSIGNED5[1]
+ // #cp_BootstrapMethod_count :UNSIGNED5[1]
+ //
byte tag = ConstantPool.TAGS_IN_ORDER[k];
if (!haveNumbers) {
// These four counts are optional.
@@ -382,6 +384,16 @@
continue;
}
}
+ if (!haveCPExtra) {
+ // These four counts are optional.
+ switch (tag) {
+ case CONSTANT_MethodHandle:
+ case CONSTANT_MethodType:
+ case CONSTANT_InvokeDynamic:
+ case CONSTANT_BootstrapMethod:
+ continue;
+ }
+ }
tagCount[tag] = archive_header_1.getInt();
}
}
@@ -401,6 +413,11 @@
return index;
}
+ void checkLegacy(String bandname) {
+ if (this.pkg.package_majver < JAVA7_PACKAGE_MAJOR_VERSION) {
+ throw new RuntimeException("unexpected band " + bandname);
+ }
+ }
void readConstantPool() throws IOException {
// cp_bands:
// cp_Utf8
@@ -533,8 +550,82 @@
case CONSTANT_InterfaceMethodref:
readMemberRefs(tag, cpMap, cp_Imethod_class, cp_Imethod_desc);
break;
+ case CONSTANT_MethodHandle:
+ if (cpMap.length > 0) {
+ checkLegacy(cp_MethodHandle_refkind.name());
+ }
+ cp_MethodHandle_refkind.expectLength(cpMap.length);
+ cp_MethodHandle_refkind.readFrom(in);
+ cp_MethodHandle_member.expectLength(cpMap.length);
+ cp_MethodHandle_member.readFrom(in);
+ cp_MethodHandle_member.setIndex(getCPIndex(CONSTANT_AnyMember));
+ for (int i = 0; i < cpMap.length; i++) {
+ byte refKind = (byte) cp_MethodHandle_refkind.getInt();
+ MemberEntry memRef = (MemberEntry) cp_MethodHandle_member.getRef();
+ cpMap[i] = ConstantPool.getMethodHandleEntry(refKind, memRef);
+ }
+ cp_MethodHandle_refkind.doneDisbursing();
+ cp_MethodHandle_member.doneDisbursing();
+ break;
+ case CONSTANT_MethodType:
+ if (cpMap.length > 0) {
+ checkLegacy(cp_MethodType.name());
+ }
+ cp_MethodType.expectLength(cpMap.length);
+ cp_MethodType.readFrom(in);
+ cp_MethodType.setIndex(getCPIndex(CONSTANT_Signature));
+ for (int i = 0; i < cpMap.length; i++) {
+ SignatureEntry typeRef = (SignatureEntry) cp_MethodType.getRef();
+ cpMap[i] = ConstantPool.getMethodTypeEntry(typeRef);
+ }
+ cp_MethodType.doneDisbursing();
+ break;
+ case CONSTANT_InvokeDynamic:
+ if (cpMap.length > 0) {
+ checkLegacy(cp_InvokeDynamic_spec.name());
+ }
+ cp_InvokeDynamic_spec.expectLength(cpMap.length);
+ cp_InvokeDynamic_spec.readFrom(in);
+ cp_InvokeDynamic_spec.setIndex(getCPIndex(CONSTANT_BootstrapMethod));
+ cp_InvokeDynamic_desc.expectLength(cpMap.length);
+ cp_InvokeDynamic_desc.readFrom(in);
+ cp_InvokeDynamic_desc.setIndex(getCPIndex(CONSTANT_NameandType));
+ for (int i = 0; i < cpMap.length; i++) {
+ BootstrapMethodEntry bss = (BootstrapMethodEntry) cp_InvokeDynamic_spec.getRef();
+ DescriptorEntry descr = (DescriptorEntry) cp_InvokeDynamic_desc.getRef();
+ cpMap[i] = ConstantPool.getInvokeDynamicEntry(bss, descr);
+ }
+ cp_InvokeDynamic_spec.doneDisbursing();
+ cp_InvokeDynamic_desc.doneDisbursing();
+ break;
+ case CONSTANT_BootstrapMethod:
+ if (cpMap.length > 0) {
+ checkLegacy(cp_BootstrapMethod_ref.name());
+ }
+ cp_BootstrapMethod_ref.expectLength(cpMap.length);
+ cp_BootstrapMethod_ref.readFrom(in);
+ cp_BootstrapMethod_ref.setIndex(getCPIndex(CONSTANT_MethodHandle));
+ cp_BootstrapMethod_arg_count.expectLength(cpMap.length);
+ cp_BootstrapMethod_arg_count.readFrom(in);
+ int totalArgCount = cp_BootstrapMethod_arg_count.getIntTotal();
+ cp_BootstrapMethod_arg.expectLength(totalArgCount);
+ cp_BootstrapMethod_arg.readFrom(in);
+ cp_BootstrapMethod_arg.setIndex(getCPIndex(CONSTANT_LoadableValue));
+ for (int i = 0; i < cpMap.length; i++) {
+ MethodHandleEntry bsm = (MethodHandleEntry) cp_BootstrapMethod_ref.getRef();
+ int argc = cp_BootstrapMethod_arg_count.getInt();
+ Entry[] argRefs = new Entry[argc];
+ for (int j = 0; j < argc; j++) {
+ argRefs[j] = cp_BootstrapMethod_arg.getRef();
+ }
+ cpMap[i] = ConstantPool.getBootstrapMethodEntry(bsm, argRefs);
+ }
+ cp_BootstrapMethod_ref.doneDisbursing();
+ cp_BootstrapMethod_arg_count.doneDisbursing();
+ cp_BootstrapMethod_arg.doneDisbursing();
+ break;
default:
- assert(false);
+ throw new AssertionError("unexpected CP tag in package");
}
Index index = initCPIndex(tag, cpMap);
@@ -548,6 +639,21 @@
cp_bands.doneDisbursing();
+ if (optDumpBands || verbose > 1) {
+ for (byte tag = CONSTANT_GroupFirst; tag < CONSTANT_GroupLimit; tag++) {
+ Index index = pkg.cp.getIndexByTag(tag);
+ if (index == null || index.isEmpty()) continue;
+ Entry[] cpMap = index.cpMap;
+ if (verbose > 1)
+ Utils.log.info("Index group "+ConstantPool.tagName(tag)+" contains "+cpMap.length+" entries.");
+ if (optDumpBands) {
+ try (PrintStream ps = new PrintStream(getDumpStream(index.debugName, tag, ".gidx", index))) {
+ printArrayTo(ps, cpMap, 0, cpMap.length, true);
+ }
+ }
+ }
+ }
+
setBandIndexes();
}
@@ -1056,8 +1162,16 @@
// look for constant pool entries:
cls.visitRefs(VRM_CLASSIC, cpRefs);
+ ArrayList<BootstrapMethodEntry> bsms = new ArrayList<>();
+ /*
+ * BootstrapMethod(BSMs) are added here before InnerClasses(ICs),
+ * so as to ensure the order. Noting that the BSMs may be
+ * removed if they are not found in the CP, after the ICs expansion.
+ */
+ cls.addAttribute(Package.attrBootstrapMethodsEmpty.canonicalInstance());
+
// flesh out the local constant pool
- ConstantPool.completeReferencesIn(cpRefs, true);
+ ConstantPool.completeReferencesIn(cpRefs, true, bsms);
// Now that we know all our local class references,
// compute the InnerClasses attribute.
@@ -1074,14 +1188,23 @@
}
// flesh out the local constant pool, again
- ConstantPool.completeReferencesIn(cpRefs, true);
+ ConstantPool.completeReferencesIn(cpRefs, true, bsms);
+ }
+
+ // remove the attr previously set, otherwise add the bsm and
+ // references as required
+ if (bsms.isEmpty()) {
+ cls.attributes.remove(Package.attrBootstrapMethodsEmpty.canonicalInstance());
+ } else {
+ cpRefs.add(Package.getRefString("BootstrapMethods"));
+ Collections.sort(bsms);
+ cls.setBootstrapMethods(bsms);
}
// construct a local constant pool
int numDoubles = 0;
for (Entry e : cpRefs) {
if (e.isDoubleWord()) numDoubles++;
- assert(e.tag != CONSTANT_Signature) : (e);
}
Entry[] cpMap = new Entry[1+numDoubles+cpRefs.size()];
int fillp = 1;
@@ -1154,7 +1277,8 @@
int totalNM = class_method_count.getIntTotal();
field_descr.expectLength(totalNF);
method_descr.expectLength(totalNM);
- if (verbose > 1) Utils.log.fine("expecting #fields="+totalNF+" and #methods="+totalNM+" in #classes="+numClasses);
+ if (verbose > 1) Utils.log.fine("expecting #fields="+totalNF+
+ " and #methods="+totalNM+" in #classes="+numClasses);
List<Class.Field> fields = new ArrayList<>(totalNF);
field_descr.readFrom(in);
@@ -1393,7 +1517,8 @@
MultiBand xxx_attr_bands = attrBands[ctype];
long flagMask = attrFlagMask[ctype];
if (verbose > 1) {
- Utils.log.fine("scanning flags and attrs for "+Attribute.contextName(ctype)+"["+holders.size()+"]");
+ Utils.log.fine("scanning flags and attrs for "+
+ Attribute.contextName(ctype)+"["+holders.size()+"]");
}
// Fetch the attribute layout definitions which govern the bands
@@ -1751,8 +1876,10 @@
bc_local, bc_label,
bc_intref, bc_floatref,
bc_longref, bc_doubleref, bc_stringref,
+ bc_loadablevalueref,
bc_classref, bc_fieldref,
bc_methodref, bc_imethodref,
+ bc_indyref,
bc_thisfield, bc_superfield,
bc_thismethod, bc_supermethod,
bc_initref,
@@ -2099,7 +2226,8 @@
case _ildc:
case _cldc:
case _fldc:
- case _aldc:
+ case _sldc:
+ case _qldc:
origBC = _ldc;
size = 1;
ldcRefSet.add(ref);
@@ -2107,7 +2235,8 @@
case _ildc_w:
case _cldc_w:
case _fldc_w:
- case _aldc_w:
+ case _sldc_w:
+ case _qldc_w:
origBC = _ldc_w;
break;
case _lldc2_w:
@@ -2136,6 +2265,9 @@
int argSize = ((MemberEntry)ref).descRef.typeRef.computeSize(true);
buf[pc++] = (byte)( 1 + argSize );
buf[pc++] = 0;
+ } else if (origBC == _invokedynamic) {
+ buf[pc++] = 0;
+ buf[pc++] = 0;
}
assert(Instruction.opLength(origBC) == (pc - curPC));
continue;
--- a/jdk/src/share/classes/com/sun/java/util/jar/pack/PackageWriter.java Sun Apr 22 19:09:02 2012 +0100
+++ b/jdk/src/share/classes/com/sun/java/util/jar/pack/PackageWriter.java Sun Apr 22 19:12:39 2012 +0100
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2001, 2011, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2001, 2012, Oracle and/or its affiliates. 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
@@ -25,15 +25,7 @@
package com.sun.java.util.jar.pack;
-import com.sun.java.util.jar.pack.ConstantPool.ClassEntry;
-import com.sun.java.util.jar.pack.ConstantPool.DescriptorEntry;
-import com.sun.java.util.jar.pack.ConstantPool.Entry;
-import com.sun.java.util.jar.pack.ConstantPool.Index;
-import com.sun.java.util.jar.pack.ConstantPool.IndexGroup;
-import com.sun.java.util.jar.pack.ConstantPool.MemberEntry;
-import com.sun.java.util.jar.pack.ConstantPool.NumberEntry;
-import com.sun.java.util.jar.pack.ConstantPool.SignatureEntry;
-import com.sun.java.util.jar.pack.ConstantPool.StringEntry;
+import com.sun.java.util.jar.pack.ConstantPool.*;
import com.sun.java.util.jar.pack.Package.Class;
import com.sun.java.util.jar.pack.Package.File;
import com.sun.java.util.jar.pack.Package.InnerClass;
@@ -281,7 +273,7 @@
void writeArchiveHeader() throws IOException {
// for debug only: number of words optimized away
- int headerDiscountForDebug = 0;
+ int headerSizeForDebug = AH_LENGTH_MIN;
// AO_HAVE_SPECIAL_FORMATS is set if non-default
// coding techniques are used, or if there are
@@ -293,8 +285,8 @@
if (haveSpecial)
archiveOptions |= AO_HAVE_SPECIAL_FORMATS;
}
- if (!haveSpecial)
- headerDiscountForDebug += AH_SPECIAL_FORMAT_LEN;
+ if (haveSpecial)
+ headerSizeForDebug += AH_SPECIAL_FORMAT_LEN;
// AO_HAVE_FILE_HEADERS is set if there is any
// file or segment envelope information present.
@@ -305,8 +297,8 @@
if (haveFiles)
archiveOptions |= AO_HAVE_FILE_HEADERS;
}
- if (!haveFiles)
- headerDiscountForDebug += AH_FILE_HEADER_LEN;
+ if (haveFiles)
+ headerSizeForDebug += AH_FILE_HEADER_LEN;
// AO_HAVE_CP_NUMBERS is set if there are any numbers
// in the global constant pool. (Numbers are in 15% of classes.)
@@ -316,8 +308,19 @@
if (haveNumbers)
archiveOptions |= AO_HAVE_CP_NUMBERS;
}
- if (!haveNumbers)
- headerDiscountForDebug += AH_CP_NUMBER_LEN;
+ if (haveNumbers)
+ headerSizeForDebug += AH_CP_NUMBER_LEN;
+
+ // AO_HAVE_CP_EXTRAS is set if there are constant pool entries
+ // beyond the Java 6 version of the class file format.
+ boolean haveCPExtra = testBit(archiveOptions, AO_HAVE_CP_EXTRAS);
+ if (!haveCPExtra) {
+ haveCPExtra |= pkg.cp.haveExtraTags();
+ if (haveCPExtra)
+ archiveOptions |= AO_HAVE_CP_EXTRAS;
+ }
+ if (haveCPExtra)
+ headerSizeForDebug += AH_CP_EXTRA_LEN;
assert(pkg.package_majver > 0); // caller must specify!
archive_header_0.putInt(pkg.package_minver);
@@ -355,18 +358,18 @@
assert(attrDefsWritten.length == 0);
}
- writeConstantPoolCounts(haveNumbers);
+ writeConstantPoolCounts(haveNumbers, haveCPExtra);
archive_header_1.putInt(pkg.getAllInnerClasses().size());
archive_header_1.putInt(pkg.default_class_minver);
archive_header_1.putInt(pkg.default_class_majver);
archive_header_1.putInt(pkg.classes.size());
- // Sanity: Make sure we came out to 26 (less optional fields):
+ // Sanity: Make sure we came out to 29 (less optional fields):
assert(archive_header_0.length() +
archive_header_S.length() +
archive_header_1.length()
- == AH_LENGTH - headerDiscountForDebug);
+ == headerSizeForDebug);
// Figure out all the sizes now, first cut:
archiveSize0 = 0;
@@ -394,9 +397,8 @@
assert(all_bands.outputSize() == archiveSize0+archiveSize1);
}
- void writeConstantPoolCounts(boolean haveNumbers) throws IOException {
- for (int k = 0; k < ConstantPool.TAGS_IN_ORDER.length; k++) {
- byte tag = ConstantPool.TAGS_IN_ORDER[k];
+ void writeConstantPoolCounts(boolean haveNumbers, boolean haveCPExtra) throws IOException {
+ for (byte tag : ConstantPool.TAGS_IN_ORDER) {
int count = pkg.cp.getIndexByTag(tag).size();
switch (tag) {
case CONSTANT_Utf8:
@@ -416,6 +418,17 @@
continue;
}
break;
+
+ case CONSTANT_MethodHandle:
+ case CONSTANT_MethodType:
+ case CONSTANT_InvokeDynamic:
+ case CONSTANT_BootstrapMethod:
+ // Omit counts for newer entities if possible.
+ if (!haveCPExtra) {
+ assert(count == 0);
+ continue;
+ }
+ break;
}
archive_header_1.putInt(count);
}
@@ -449,8 +462,7 @@
if (verbose > 0) Utils.log.info("Writing CP");
- for (int k = 0; k < ConstantPool.TAGS_IN_ORDER.length; k++) {
- byte tag = ConstantPool.TAGS_IN_ORDER[k];
+ for (byte tag : ConstantPool.TAGS_IN_ORDER) {
Index index = cp.getIndexByTag(tag);
Entry[] cpMap = index.cpMap;
@@ -530,8 +542,52 @@
case CONSTANT_InterfaceMethodref:
writeMemberRefs(tag, cpMap, cp_Imethod_class, cp_Imethod_desc);
break;
+ case CONSTANT_MethodHandle:
+ for (int i = 0; i < cpMap.length; i++) {
+ MethodHandleEntry e = (MethodHandleEntry) cpMap[i];
+ cp_MethodHandle_refkind.putInt(e.refKind);
+ cp_MethodHandle_member.putRef(e.memRef);
+ }
+ break;
+ case CONSTANT_MethodType:
+ for (int i = 0; i < cpMap.length; i++) {
+ MethodTypeEntry e = (MethodTypeEntry) cpMap[i];
+ cp_MethodType.putRef(e.typeRef);
+ }
+ break;
+ case CONSTANT_InvokeDynamic:
+ for (int i = 0; i < cpMap.length; i++) {
+ InvokeDynamicEntry e = (InvokeDynamicEntry) cpMap[i];
+ cp_InvokeDynamic_spec.putRef(e.bssRef);
+ cp_InvokeDynamic_desc.putRef(e.descRef);
+ }
+ break;
+ case CONSTANT_BootstrapMethod:
+ for (int i = 0; i < cpMap.length; i++) {
+ BootstrapMethodEntry e = (BootstrapMethodEntry) cpMap[i];
+ cp_BootstrapMethod_ref.putRef(e.bsmRef);
+ cp_BootstrapMethod_arg_count.putInt(e.argRefs.length);
+ for (Entry argRef : e.argRefs) {
+ cp_BootstrapMethod_arg.putRef(argRef);
+ }
+ }
+ break;
default:
- assert(false);
+ throw new AssertionError("unexpected CP tag in package");
+ }
+ }
+ if (optDumpBands || verbose > 1) {
+ for (byte tag = CONSTANT_GroupFirst; tag < CONSTANT_GroupLimit; tag++) {
+ Index index = cp.getIndexByTag(tag);
+ if (index == null || index.isEmpty()) continue;
+ Entry[] cpMap = index.cpMap;
+ if (verbose > 1)
+ Utils.log.info("Index group "+ConstantPool.tagName(tag)+" contains "+cpMap.length+" entries.");
+ if (optDumpBands) {
+ try (PrintStream ps = new PrintStream(getDumpStream(index.debugName, tag, ".gidx", index))) {
+ printArrayTo(ps, cpMap, 0, cpMap.length, true);
+ }
+ }
}
}
}
@@ -988,6 +1044,8 @@
for (Class cls : pkg.classes) {
// Replace "obvious" SourceFile attrs by null.
cls.minimizeSourceFile();
+ // BootstrapMethods should never have been inserted.
+ assert(cls.getAttribute(Package.attrBootstrapMethodsEmpty) == null);
}
}
@@ -1325,9 +1383,7 @@
// %%% Add a stress mode which issues _ref/_byte_escape.
if (verbose > 3) Utils.log.fine(i.toString());
- if (i.isNonstandard()
- && (!p200.getBoolean(Utils.COM_PREFIX+"invokedynamic")
- || i.getBC() != _xxxunusedxxx)) {
+ if (i.isNonstandard()) {
// Crash and burn with a complaint if there are funny
// bytecodes in this class file.
String complaint = code.getMethod()
@@ -1427,24 +1483,6 @@
continue;
}
- switch (bc) {
- case _xxxunusedxxx: // %%% pretend this is invokedynamic
- {
- i.setNonstandardLength(3);
- int refx = i.getShortAt(1);
- Entry ref = (refx == 0)? null: curCPMap[refx];
- // transmit the opcode, carefully:
- bc_codes.putByte(_byte_escape);
- bc_escsize.putInt(1); // one byte of opcode
- bc_escbyte.putByte(bc); // the opcode
- // transmit the CP reference, carefully:
- bc_codes.putByte(_ref_escape);
- bc_escrefsize.putInt(2); // two bytes of ref
- bc_escref.putRef(ref); // the ref
- continue;
- }
- }
-
int branch = i.getBranchLabel();
if (branch >= 0) {
bc_codes.putByte(bc);
@@ -1458,7 +1496,7 @@
CPRefBand bc_which;
int vbc = bc;
switch (i.getCPTag()) {
- case CONSTANT_Literal:
+ case CONSTANT_LoadableValue:
switch (ref.tag) {
case CONSTANT_Integer:
bc_which = bc_intref;
@@ -1489,8 +1527,8 @@
case CONSTANT_String:
bc_which = bc_stringref;
switch (bc) {
- case _ldc: vbc = _aldc; break;
- case _ldc_w: vbc = _aldc_w; break;
+ case _ldc: vbc = _sldc; break;
+ case _ldc_w: vbc = _sldc_w; break;
default: assert(false);
}
break;
@@ -1503,8 +1541,16 @@
}
break;
default:
- bc_which = null;
- assert(false);
+ // CONSTANT_MethodHandle, etc.
+ if (getPackageMajver() < JAVA7_PACKAGE_MAJOR_VERSION) {
+ throw new IOException("bad package major version for Java 7 ldc");
+ }
+ bc_which = bc_loadablevalueref;
+ switch (bc) {
+ case _ldc: vbc = _qldc; break;
+ case _ldc_w: vbc = _qldc_w; break;
+ default: assert(false);
+ }
}
break;
case CONSTANT_Class:
@@ -1517,6 +1563,8 @@
bc_which = bc_methodref; break;
case CONSTANT_InterfaceMethodref:
bc_which = bc_imethodref; break;
+ case CONSTANT_InvokeDynamic:
+ bc_which = bc_indyref; break;
default:
bc_which = null;
assert(false);
@@ -1532,6 +1580,12 @@
assert(i.getLength() == 5);
// Make sure the discarded bytes are sane:
assert(i.getConstant() == (1+((MemberEntry)ref).descRef.typeRef.computeSize(true)) << 8);
+ } else if (bc == _invokedynamic) {
+ if (getPackageMajver() < JAVA7_PACKAGE_MAJOR_VERSION) {
+ throw new IOException("bad package major version for Java 7 invokedynamic");
+ }
+ assert(i.getLength() == 5);
+ assert(i.getConstant() == 0); // last 2 bytes MBZ
} else {
// Make sure there is nothing else to write.
assert(i.getLength() == ((bc == _ldc)?2:3));
--- a/jdk/src/share/classes/com/sun/java/util/jar/pack/TLGlobals.java Sun Apr 22 19:09:02 2012 +0100
+++ b/jdk/src/share/classes/com/sun/java/util/jar/pack/TLGlobals.java Sun Apr 22 19:12:39 2012 +0100
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2010, 2011, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2010, 2012, Oracle and/or its affiliates. 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
@@ -28,6 +28,10 @@
import com.sun.java.util.jar.pack.ConstantPool.DescriptorEntry;
import com.sun.java.util.jar.pack.ConstantPool.LiteralEntry;
import com.sun.java.util.jar.pack.ConstantPool.MemberEntry;
+import com.sun.java.util.jar.pack.ConstantPool.MethodHandleEntry;
+import com.sun.java.util.jar.pack.ConstantPool.MethodTypeEntry;
+import com.sun.java.util.jar.pack.ConstantPool.InvokeDynamicEntry;
+import com.sun.java.util.jar.pack.ConstantPool.BootstrapMethodEntry;
import com.sun.java.util.jar.pack.ConstantPool.SignatureEntry;
import com.sun.java.util.jar.pack.ConstantPool.Utf8Entry;
import java.util.HashMap;
@@ -56,6 +60,10 @@
private final Map<String, SignatureEntry> signatureEntries;
private final Map<String, DescriptorEntry> descriptorEntries;
private final Map<String, MemberEntry> memberEntries;
+ private final Map<String, MethodHandleEntry> methodHandleEntries;
+ private final Map<String, MethodTypeEntry> methodTypeEntries;
+ private final Map<String, InvokeDynamicEntry> invokeDynamicEntries;
+ private final Map<String, BootstrapMethodEntry> bootstrapMethodEntries;
TLGlobals() {
utf8Entries = new HashMap<>();
@@ -64,6 +72,10 @@
signatureEntries = new HashMap<>();
descriptorEntries = new HashMap<>();
memberEntries = new HashMap<>();
+ methodHandleEntries = new HashMap<>();
+ methodTypeEntries = new HashMap<>();
+ invokeDynamicEntries = new HashMap<>();
+ bootstrapMethodEntries = new HashMap<>();
props = new PropMap();
}
@@ -94,4 +106,20 @@
Map<String, MemberEntry> getMemberEntries() {
return memberEntries;
}
+
+ Map<String, MethodHandleEntry> getMethodHandleEntries() {
+ return methodHandleEntries;
+ }
+
+ Map<String, MethodTypeEntry> getMethodTypeEntries() {
+ return methodTypeEntries;
+ }
+
+ Map<String, InvokeDynamicEntry> getInvokeDynamicEntries() {
+ return invokeDynamicEntries;
+ }
+
+ Map<String, BootstrapMethodEntry> getBootstrapMethodEntries() {
+ return bootstrapMethodEntries;
+ }
}
--- a/jdk/src/share/classes/com/sun/java/util/jar/pack/Utils.java Sun Apr 22 19:09:02 2012 +0100
+++ b/jdk/src/share/classes/com/sun/java/util/jar/pack/Utils.java Sun Apr 22 19:12:39 2012 +0100
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2003, 2011, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2003, 2012, Oracle and/or its affiliates. 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
@@ -60,7 +60,7 @@
* If >3, print tons of comments (e.g., processing of references).
* (installer only)
*/
- static final String DEBUG_VERBOSE = Utils.COM_PREFIX+"verbose";
+ static final String DEBUG_VERBOSE = COM_PREFIX+"verbose";
/*
* Disables use of native code, prefers the Java-coded implementation.
@@ -134,35 +134,11 @@
// to the engine code, especially the native code.
static final ThreadLocal<TLGlobals> currentInstance = new ThreadLocal<>();
- // convenience methods to access the TL globals
+ // convenience method to access the TL globals
static TLGlobals getTLGlobals() {
return currentInstance.get();
}
- static Map<String, Utf8Entry> getUtf8Entries() {
- return getTLGlobals().getUtf8Entries();
- }
-
- static Map<String, ClassEntry> getClassEntries() {
- return getTLGlobals().getClassEntries();
- }
-
- static Map<Object, LiteralEntry> getLiteralEntries() {
- return getTLGlobals().getLiteralEntries();
- }
-
- static Map<String, DescriptorEntry> getDescriptorEntries() {
- return getTLGlobals().getDescriptorEntries();
- }
-
- static Map<String, SignatureEntry> getSignatureEntries() {
- return getTLGlobals().getSignatureEntries();
- }
-
- static Map<String, MemberEntry> getMemberEntries() {
- return getTLGlobals().getMemberEntries();
- }
-
static PropMap currentPropMap() {
Object obj = currentInstance.get();
if (obj instanceof PackerImpl)
@@ -173,8 +149,19 @@
}
static final boolean nolog
- = Boolean.getBoolean(Utils.COM_PREFIX+"nolog");
+ = Boolean.getBoolean(COM_PREFIX+"nolog");
+
+ static final boolean SORT_MEMBERS_DESCR_MAJOR
+ = Boolean.getBoolean(COM_PREFIX+"sort.members.descr.major");
+ static final boolean SORT_HANDLES_KIND_MAJOR
+ = Boolean.getBoolean(COM_PREFIX+"sort.handles.kind.major");
+
+ static final boolean SORT_INDY_BSS_MAJOR
+ = Boolean.getBoolean(COM_PREFIX+"sort.indy.bss.major");
+
+ static final boolean SORT_BSS_BSM_MAJOR
+ = Boolean.getBoolean(COM_PREFIX+"sort.bss.bsm.major");
static class Pack200Logger {
private final String name;
--- a/jdk/src/share/native/com/sun/java/util/jar/pack/bands.cpp Sun Apr 22 19:09:02 2012 +0100
+++ b/jdk/src/share/native/com/sun/java/util/jar/pack/bands.cpp Sun Apr 22 19:12:39 2012 +0100
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2002, 2009, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2002, 2012, Oracle and/or its affiliates. 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
@@ -188,9 +188,13 @@
entry* band::getRefCommon(cpindex* ix_, bool nullOKwithCaller) {
CHECK_0;
assert(ix_->ixTag == ixTag
- || (ixTag == CONSTANT_Literal
- && ix_->ixTag >= CONSTANT_Integer
- && ix_->ixTag <= CONSTANT_String));
+ || ((ixTag == CONSTANT_All ||
+ ixTag == CONSTANT_LoadableValue ||
+ ixTag == CONSTANT_AnyMember)
+ || (ixTag == CONSTANT_FieldSpecific &&
+ ix_->ixTag >= CONSTANT_Integer &&
+ ix_->ixTag <= CONSTANT_String))
+ );
int n = vs[0].getInt() - nullOK;
// Note: band-local nullOK means null encodes as 0.
// But nullOKwithCaller means caller is willing to tolerate a null.
@@ -270,22 +274,15 @@
#define NO_INDEX 0
struct band_init {
-#ifndef PRODUCT
int bn;
const char* name;
-#endif
int defc;
int index;
};
-#ifdef PRODUCT
-#define BAND_INIT(name, cspec, ix) \
- { cspec, ix }
-#else
#define BAND_INIT(name, cspec, ix) \
{ e_##name, #name, /*debug only*/ \
cspec, ix }
-#endif
const band_init all_band_inits[] = {
//BAND_INIT(archive_magic, BYTE1_spec, 0),
@@ -314,6 +311,14 @@
BAND_INIT(cp_Method_desc, UDELTA5_spec, INDEX(CONSTANT_NameandType)),
BAND_INIT(cp_Imethod_class, DELTA5_spec, INDEX(CONSTANT_Class)),
BAND_INIT(cp_Imethod_desc, UDELTA5_spec, INDEX(CONSTANT_NameandType)),
+ BAND_INIT(cp_MethodHandle_refkind, DELTA5_spec, 0),
+ BAND_INIT(cp_MethodHandle_member, UDELTA5_spec, INDEX(CONSTANT_AnyMember)),
+ BAND_INIT(cp_MethodType, UDELTA5_spec, INDEX(CONSTANT_Signature)),
+ BAND_INIT(cp_BootstrapMethod_ref, DELTA5_spec, INDEX(CONSTANT_MethodHandle)),
+ BAND_INIT(cp_BootstrapMethod_arg_count, UDELTA5_spec, 0),
+ BAND_INIT(cp_BootstrapMethod_arg, DELTA5_spec, INDEX(CONSTANT_LoadableValue)),
+ BAND_INIT(cp_InvokeDynamic_spec, DELTA5_spec, INDEX(CONSTANT_BootstrapMethod)),
+ BAND_INIT(cp_InvokeDynamic_desc, UDELTA5_spec, INDEX(CONSTANT_NameandType)),
BAND_INIT(attr_definition_headers, BYTE1_spec, 0),
BAND_INIT(attr_definition_name, UNSIGNED5_spec, INDEX(CONSTANT_Utf8)),
BAND_INIT(attr_definition_layout, UNSIGNED5_spec, INDEX(CONSTANT_Utf8)),
@@ -333,7 +338,7 @@
BAND_INIT(field_attr_count, UNSIGNED5_spec, 0),
BAND_INIT(field_attr_indexes, UNSIGNED5_spec, 0),
BAND_INIT(field_attr_calls, UNSIGNED5_spec, 0),
- BAND_INIT(field_ConstantValue_KQ, UNSIGNED5_spec, INDEX(CONSTANT_Literal)),
+ BAND_INIT(field_ConstantValue_KQ, UNSIGNED5_spec, INDEX(CONSTANT_FieldSpecific)),
BAND_INIT(field_Signature_RS, UNSIGNED5_spec, INDEX(CONSTANT_Signature)),
BAND_INIT(field_metadata_bands, -1, -1),
BAND_INIT(field_attr_bands, -1, -1),
@@ -415,10 +420,12 @@
BAND_INIT(bc_longref, DELTA5_spec, INDEX(CONSTANT_Long)),
BAND_INIT(bc_doubleref, DELTA5_spec, INDEX(CONSTANT_Double)),
BAND_INIT(bc_stringref, DELTA5_spec, INDEX(CONSTANT_String)),
+ BAND_INIT(bc_loadablevalueref, DELTA5_spec, INDEX(CONSTANT_LoadableValue)),
BAND_INIT(bc_classref, UNSIGNED5_spec, NULL_OR_INDEX(CONSTANT_Class)),
BAND_INIT(bc_fieldref, DELTA5_spec, INDEX(CONSTANT_Fieldref)),
BAND_INIT(bc_methodref, UNSIGNED5_spec, INDEX(CONSTANT_Methodref)),
BAND_INIT(bc_imethodref, DELTA5_spec, INDEX(CONSTANT_InterfaceMethodref)),
+ BAND_INIT(bc_indyref, DELTA5_spec, INDEX(CONSTANT_InvokeDynamic)),
BAND_INIT(bc_thisfield, UNSIGNED5_spec, SUB_INDEX(CONSTANT_Fieldref)),
BAND_INIT(bc_superfield, UNSIGNED5_spec, SUB_INDEX(CONSTANT_Fieldref)),
BAND_INIT(bc_thismethod, UNSIGNED5_spec, SUB_INDEX(CONSTANT_Methodref)),
@@ -471,7 +478,7 @@
for (int i = 0; i < BAND_LIMIT; i++) {
band* scan = &tmp_all_bands[i];
uint tag = scan->ixTag; // Cf. #define INDEX(tag) above
- if (tag != 0 && tag != CONSTANT_Literal && (tag & SUBINDEX_BIT) == 0) {
+ if (tag != 0 && tag != CONSTANT_FieldSpecific && (tag & SUBINDEX_BIT) == 0) {
scan->setIndex(u->cp.getIndex(tag));
}
}
--- a/jdk/src/share/native/com/sun/java/util/jar/pack/bands.h Sun Apr 22 19:09:02 2012 +0100
+++ b/jdk/src/share/native/com/sun/java/util/jar/pack/bands.h Sun Apr 22 19:12:39 2012 +0100
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2002, 2005, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2002, 2012, Oracle and/or its affiliates. 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
@@ -29,9 +29,7 @@
struct unpacker;
struct band {
-#ifndef PRODUCT
const char* name;
-#endif
int bn; // band_number of this band
coding* defc; // default coding method
cpindex* ix; // CP entry mapping, if CPRefBand
@@ -162,6 +160,14 @@
e_cp_Method_desc,
e_cp_Imethod_class,
e_cp_Imethod_desc,
+ e_cp_MethodHandle_refkind,
+ e_cp_MethodHandle_member,
+ e_cp_MethodType,
+ e_cp_BootstrapMethod_ref,
+ e_cp_BootstrapMethod_arg_count,
+ e_cp_BootstrapMethod_arg,
+ e_cp_InvokeDynamic_spec,
+ e_cp_InvokeDynamic_desc,
// bands which define transmission of attributes
e_attr_definition_headers,
@@ -284,11 +290,13 @@
e_bc_longref,
e_bc_doubleref,
e_bc_stringref,
+ e_bc_loadablevalueref,
e_bc_classref,
e_bc_fieldref,
e_bc_methodref,
e_bc_imethodref,
+ e_bc_indyref,
// _self_linker_op family
e_bc_thisfield,
@@ -343,6 +351,14 @@
#define cp_Method_desc all_bands[e_cp_Method_desc]
#define cp_Imethod_class all_bands[e_cp_Imethod_class]
#define cp_Imethod_desc all_bands[e_cp_Imethod_desc]
+#define cp_MethodHandle_refkind all_bands[e_cp_MethodHandle_refkind]
+#define cp_MethodHandle_member all_bands[e_cp_MethodHandle_member]
+#define cp_MethodType all_bands[e_cp_MethodType]
+#define cp_BootstrapMethod_ref all_bands[e_cp_BootstrapMethod_ref]
+#define cp_BootstrapMethod_arg_count all_bands[e_cp_BootstrapMethod_arg_count]
+#define cp_BootstrapMethod_arg all_bands[e_cp_BootstrapMethod_arg]
+#define cp_InvokeDynamic_spec all_bands[e_cp_InvokeDynamic_spec]
+#define cp_InvokeDynamic_desc all_bands[e_cp_InvokeDynamic_desc]
#define attr_definition_headers all_bands[e_attr_definition_headers]
#define attr_definition_name all_bands[e_attr_definition_name]
#define attr_definition_layout all_bands[e_attr_definition_layout]
@@ -437,10 +453,12 @@
#define bc_longref all_bands[e_bc_longref]
#define bc_doubleref all_bands[e_bc_doubleref]
#define bc_stringref all_bands[e_bc_stringref]
+#define bc_loadablevalueref all_bands[e_bc_loadablevalueref]
#define bc_classref all_bands[e_bc_classref]
#define bc_fieldref all_bands[e_bc_fieldref]
#define bc_methodref all_bands[e_bc_methodref]
#define bc_imethodref all_bands[e_bc_imethodref]
+#define bc_indyref all_bands[e_bc_indyref]
#define bc_thisfield all_bands[e_bc_thisfield]
#define bc_superfield all_bands[e_bc_superfield]
#define bc_thismethod all_bands[e_bc_thismethod]
--- a/jdk/src/share/native/com/sun/java/util/jar/pack/constants.h Sun Apr 22 19:09:02 2012 +0100
+++ b/jdk/src/share/native/com/sun/java/util/jar/pack/constants.h Sun Apr 22 19:12:39 2012 +0100
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2001, 2005, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2001, 2012, Oracle and/or its affiliates. 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
@@ -49,61 +49,82 @@
#define JAVA6_PACKAGE_MAJOR_VERSION 160
#define JAVA6_PACKAGE_MINOR_VERSION 1
+#define JAVA7_PACKAGE_MAJOR_VERSION 170
+#define JAVA7_PACKAGE_MINOR_VERSION 1
// magic number for gzip streams (for processing pack200-gzip data)
#define GZIP_MAGIC 0x1F8B0800
#define GZIP_MAGIC_MASK 0xFFFFFF00 // last byte is variable "flg" field
enum {
- CONSTANT_None,
- CONSTANT_Utf8,
- CONSTANT_unused2, /* unused, was Unicode */
- CONSTANT_Integer,
- CONSTANT_Float,
- CONSTANT_Long,
- CONSTANT_Double,
- CONSTANT_Class,
- CONSTANT_String,
- CONSTANT_Fieldref,
- CONSTANT_Methodref,
- CONSTANT_InterfaceMethodref,
- CONSTANT_NameandType,
+ CONSTANT_None = 0,
+ CONSTANT_Utf8 = 1,
+ CONSTANT_unused = 2, /* unused, was Unicode */
+ CONSTANT_Integer = 3,
+ CONSTANT_Float = 4,
+ CONSTANT_Long = 5,
+ CONSTANT_Double = 6,
+ CONSTANT_Class = 7,
+ CONSTANT_String = 8,
+ CONSTANT_Fieldref = 9,
+ CONSTANT_Methodref = 10,
+ CONSTANT_InterfaceMethodref = 11,
+ CONSTANT_NameandType = 12,
+ CONSTANT_unused13 = 13,
+ CONSTANT_unused14 = 14,
+ CONSTANT_MethodHandle = 15,
+ CONSTANT_MethodType = 16,
+ CONSTANT_unused17 = 17,
+ CONSTANT_InvokeDynamic = 18,
+ CONSTANT_Limit = 19,
+ CONSTANT_Signature = CONSTANT_unused13,
+ CONSTANT_BootstrapMethod = CONSTANT_unused17, // used only for InvokeDynamic
+ CONSTANT_All = 50, // combined global map
+ CONSTANT_LoadableValue = 51, // used for 'KL' and qldc operands
+ CONSTANT_AnyMember = 52, // union of refs to field or (interface) method
+ CONSTANT_FieldSpecific = 53, // used only for 'KQ' ConstantValue attrs
+ CONSTANT_GroupFirst = CONSTANT_All, // start group marker
+ CONSTANT_GroupLimit = 54, // end group marker
- CONSTANT_Signature = 13,
- CONSTANT_All = 14,
- CONSTANT_Limit = 15,
- CONSTANT_NONE = 0,
-
- CONSTANT_Literal = 20, //pseudo-tag for debugging
- CONSTANT_Member = 21, //pseudo-tag for debugging
+ // CONSTANT_MethodHandle reference kinds
+ REF_getField = 1,
+ REF_getStatic = 2,
+ REF_putField = 3,
+ REF_putStatic = 4,
+ REF_invokeVirtual = 5,
+ REF_invokeStatic = 6,
+ REF_invokeSpecial = 7,
+ REF_newInvokeSpecial = 8,
+ REF_invokeInterface = 9,
SUBINDEX_BIT = 64, // combined with CONSTANT_xxx for ixTag
ACC_STATIC = 0x0008,
ACC_IC_LONG_FORM = (1<<16), //for ic_flags
- CLASS_ATTR_SourceFile = 17,
- CLASS_ATTR_EnclosingMethod = 18,
- CLASS_ATTR_InnerClasses = 23,
- CLASS_ATTR_ClassFile_version = 24,
- FIELD_ATTR_ConstantValue = 17,
- METHOD_ATTR_Code = 17,
- METHOD_ATTR_Exceptions = 18,
- METHOD_ATTR_RuntimeVisibleParameterAnnotations = 23,
+ CLASS_ATTR_SourceFile = 17,
+ CLASS_ATTR_EnclosingMethod = 18,
+ CLASS_ATTR_InnerClasses = 23,
+ CLASS_ATTR_ClassFile_version = 24,
+ CLASS_ATTR_BootstrapMethods = 25,
+ FIELD_ATTR_ConstantValue = 17,
+ METHOD_ATTR_Code = 17,
+ METHOD_ATTR_Exceptions = 18,
+ METHOD_ATTR_RuntimeVisibleParameterAnnotations = 23,
METHOD_ATTR_RuntimeInvisibleParameterAnnotations = 24,
- METHOD_ATTR_AnnotationDefault = 25,
- CODE_ATTR_StackMapTable = 0,
- CODE_ATTR_LineNumberTable = 1,
- CODE_ATTR_LocalVariableTable = 2,
+ METHOD_ATTR_AnnotationDefault = 25,
+ CODE_ATTR_StackMapTable = 0,
+ CODE_ATTR_LineNumberTable = 1,
+ CODE_ATTR_LocalVariableTable = 2,
CODE_ATTR_LocalVariableTypeTable = 3,
//X_ATTR_Synthetic = 12, // ACC_SYNTHETIC; not predefined
- X_ATTR_Signature = 19,
- X_ATTR_Deprecated = 20,
- X_ATTR_RuntimeVisibleAnnotations = 21,
+ X_ATTR_Signature = 19,
+ X_ATTR_Deprecated = 20,
+ X_ATTR_RuntimeVisibleAnnotations = 21,
X_ATTR_RuntimeInvisibleAnnotations = 22,
- X_ATTR_OVERFLOW = 16,
- X_ATTR_LIMIT_NO_FLAGS_HI = 32,
- X_ATTR_LIMIT_FLAGS_HI = 63,
+ X_ATTR_OVERFLOW = 16,
+ X_ATTR_LIMIT_NO_FLAGS_HI = 32,
+ X_ATTR_LIMIT_FLAGS_HI = 63,
#define O_ATTR_DO(F) \
F(X_ATTR_OVERFLOW,01) \
@@ -121,6 +142,7 @@
F(CLASS_ATTR_InnerClasses,InnerClasses) \
F(CLASS_ATTR_EnclosingMethod,EnclosingMethod) \
F(CLASS_ATTR_ClassFile_version,02) \
+ F(CLASS_ATTR_BootstrapMethods,BootstrapMethods) \
/*(end)*/
#define FIELD_ATTR_DO(F) \
F(FIELD_ATTR_ConstantValue,ConstantValue) \
@@ -175,7 +197,7 @@
AO_HAVE_SPECIAL_FORMATS = 1<<0,
AO_HAVE_CP_NUMBERS = 1<<1,
AO_HAVE_ALL_CODE_FLAGS = 1<<2,
- AO_3_UNUSED_MBZ = 1<<3,
+ AO_HAVE_CP_EXTRAS = 1<<3,
AO_HAVE_FILE_HEADERS = 1<<4,
AO_DEFLATE_HINT = 1<<5,
AO_HAVE_FILE_MODTIME = 1<<6,
@@ -185,11 +207,13 @@
AO_HAVE_FIELD_FLAGS_HI = 1<<10,
AO_HAVE_METHOD_FLAGS_HI = 1<<11,
AO_HAVE_CODE_FLAGS_HI = 1<<12,
+ AO_UNUSED_MBZ = (-1)<<13, // options bits reserved for future use.
+
#define ARCHIVE_BIT_DO(F) \
F(AO_HAVE_SPECIAL_FORMATS) \
F(AO_HAVE_CP_NUMBERS) \
F(AO_HAVE_ALL_CODE_FLAGS) \
- /*F(AO_3_UNUSED_MBZ)*/ \
+ F(AO_HAVE_CP_EXTRAS) \
F(AO_HAVE_FILE_HEADERS) \
F(AO_DEFLATE_HINT) \
F(AO_HAVE_FILE_MODTIME) \
@@ -215,14 +239,14 @@
NO_MODTIME = 0, // null modtime value
// meta-coding
- _meta_default = 0,
+ _meta_default = 0,
_meta_canon_min = 1,
_meta_canon_max = 115,
- _meta_arb = 116,
- _meta_run = 117,
- _meta_pop = 141,
- _meta_limit = 189,
- _meta_error = 255,
+ _meta_arb = 116,
+ _meta_run = 117,
+ _meta_pop = 141,
+ _meta_limit = 189,
+ _meta_error = 255,
_xxx_1_end
};
@@ -416,7 +440,7 @@
bc_invokespecial = 183, // 0xb7
bc_invokestatic = 184, // 0xb8
bc_invokeinterface = 185, // 0xb9
- bc_xxxunusedxxx = 186, // 0xba
+ bc_invokedynamic = 186, // 0xba
bc_new = 187, // 0xbb
bc_newarray = 188, // 0xbc
bc_anewarray = 189, // 0xbd
@@ -455,17 +479,19 @@
_invokeinit_limit = _invokeinit_op+3,
_xldc_op = _invokeinit_limit,
- bc_aldc = bc_ldc,
+ bc_sldc = bc_ldc, // previously named bc_aldc
bc_cldc = _xldc_op+0,
bc_ildc = _xldc_op+1,
bc_fldc = _xldc_op+2,
- bc_aldc_w = bc_ldc_w,
+ bc_sldc_w = bc_ldc_w, // previously named bc_aldc_w
bc_cldc_w = _xldc_op+3,
bc_ildc_w = _xldc_op+4,
bc_fldc_w = _xldc_op+5,
bc_lldc2_w = bc_ldc2_w,
bc_dldc2_w = _xldc_op+6,
- _xldc_limit = _xldc_op+7,
-
+ // anything other primitive, string, or class must be handled with qldc:
+ bc_qldc = _xldc_op+7,
+ bc_qldc_w = _xldc_op+8,
+ _xldc_limit = _xldc_op+9,
_xxx_3_end
};
--- a/jdk/src/share/native/com/sun/java/util/jar/pack/defines.h Sun Apr 22 19:09:02 2012 +0100
+++ b/jdk/src/share/native/com/sun/java/util/jar/pack/defines.h Sun Apr 22 19:12:39 2012 +0100
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2001, 2009, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2001, 2012, Oracle and/or its affiliates. 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
@@ -109,7 +109,8 @@
#define dup2(a,b) _dup2(a,b)
#define strcasecmp(s1, s2) _stricmp(s1,s2)
#define tempname _tempname
-#define sleep Sleep
+#define sleep Sleep
+#define snprintf _snprintf
#else
typedef signed char byte;
#ifdef _LP64
--- a/jdk/src/share/native/com/sun/java/util/jar/pack/unpack.cpp Sun Apr 22 19:09:02 2012 +0100
+++ b/jdk/src/share/native/com/sun/java/util/jar/pack/unpack.cpp Sun Apr 22 19:12:39 2012 +0100
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2001, 2011, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2001, 2012, Oracle and/or its affiliates. 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
@@ -81,7 +81,12 @@
CONSTANT_NameandType,
CONSTANT_Fieldref,
CONSTANT_Methodref,
- CONSTANT_InterfaceMethodref
+ CONSTANT_InterfaceMethodref,
+ // constants defined as of JDK 7
+ CONSTANT_MethodHandle,
+ CONSTANT_MethodType,
+ CONSTANT_BootstrapMethod,
+ CONSTANT_InvokeDynamic
};
#define N_TAGS_IN_ORDER (sizeof TAGS_IN_ORDER)
@@ -101,6 +106,11 @@
"InterfaceMethodref",
"NameandType",
"*Signature",
+ "unused14",
+ "MethodHandle",
+ "MethodType",
+ "*BootstrapMethod",
+ "InvokeDynamic",
0
};
@@ -114,9 +124,13 @@
#endif
-
-// REQUESTED must be -2 for u2 and REQUESTED_LDC must be -1 for u1
-enum { NOT_REQUESTED = 0, REQUESTED = -2, REQUESTED_LDC = -1 };
+// Note that REQUESTED_LDC comes first, then the normal REQUESTED,
+// in the regular constant pool.
+enum { REQUESTED_NONE = -1,
+ // The codes below REQUESTED_NONE are in constant pool output order,
+ // for the sake of outputEntry_cmp:
+ REQUESTED_LDC = -99, REQUESTED
+};
#define NO_INORD ((uint)-1)
@@ -146,7 +160,7 @@
void requestOutputIndex(cpool& cp, int req = REQUESTED);
int getOutputIndex() {
- assert(outputIndex > NOT_REQUESTED);
+ assert(outputIndex > REQUESTED_NONE);
return outputIndex;
}
@@ -167,12 +181,12 @@
}
entry* memberClass() {
- assert(tagMatches(CONSTANT_Member));
+ assert(tagMatches(CONSTANT_AnyMember));
return ref(0);
}
entry* memberDescr() {
- assert(tagMatches(CONSTANT_Member));
+ assert(tagMatches(CONSTANT_AnyMember));
return ref(1);
}
@@ -199,9 +213,9 @@
return (tag2 == tag)
|| (tag2 == CONSTANT_Utf8 && tag == CONSTANT_Signature)
#ifndef PRODUCT
- || (tag2 == CONSTANT_Literal
+ || (tag2 == CONSTANT_FieldSpecific
&& tag >= CONSTANT_Integer && tag <= CONSTANT_String && tag != CONSTANT_Class)
- || (tag2 == CONSTANT_Member
+ || (tag2 == CONSTANT_AnyMember
&& tag >= CONSTANT_Fieldref && tag <= CONSTANT_InterfaceMethodref)
#endif
;
@@ -309,6 +323,7 @@
code_fixup_offset.free();
code_fixup_source.free();
requested_ics.free();
+ cp.requested_bsms.free();
cur_classfile_head.free();
cur_classfile_tail.free();
for (i = 0; i < ATTR_CONTEXT_LIMIT; i++)
@@ -448,12 +463,12 @@
int unpacker::putref_index(entry* e, int size) {
if (e == null)
return 0;
- else if (e->outputIndex > NOT_REQUESTED)
+ else if (e->outputIndex > REQUESTED_NONE)
return e->outputIndex;
else if (e->tag == CONSTANT_Signature)
return putref_index(e->ref(0), size);
else {
- e->requestOutputIndex(cp, -size);
+ e->requestOutputIndex(cp, (size == 1 ? REQUESTED_LDC : REQUESTED));
// Later on we'll fix the bits.
class_fixup_type.addByte(size);
class_fixup_offset.add((int)wpoffset());
@@ -515,28 +530,33 @@
b.copyFrom(ptr, len);
}
+bool testBit(int archive_options, int bitMask) {
+ return (archive_options & bitMask) != 0;
+}
+
// Read up through band_headers.
// Do the archive_size dance to set the size of the input mega-buffer.
void unpacker::read_file_header() {
// Read file header to determine file type and total size.
enum {
MAGIC_BYTES = 4,
- AH_LENGTH_0 = 3, //minver, majver, options are outside of archive_size
+ AH_LENGTH_0 = 3, // archive_header_0 = {minver, majver, options}
+ AH_LENGTH_MIN = 15, // observed in spec {header_0[3], cp_counts[8], class_counts[4]}
AH_LENGTH_0_MAX = AH_LENGTH_0 + 1, // options might have 2 bytes
- AH_LENGTH = 26, //maximum archive header length (w/ all fields)
+ AH_LENGTH = 30, //maximum archive header length (w/ all fields)
// Length contributions from optional header fields:
- AH_FILE_HEADER_LEN = 5, // sizehi/lo/next/modtime/files
- AH_ARCHIVE_SIZE_LEN = 2, // sizehi/lo only; part of AH_FILE_HEADER_LEN
- AH_CP_NUMBER_LEN = 4, // int/float/long/double
- AH_SPECIAL_FORMAT_LEN = 2, // layouts/band-headers
- AH_LENGTH_MIN = AH_LENGTH
- -(AH_FILE_HEADER_LEN+AH_SPECIAL_FORMAT_LEN+AH_CP_NUMBER_LEN),
- ARCHIVE_SIZE_MIN = AH_LENGTH_MIN - (AH_LENGTH_0 + AH_ARCHIVE_SIZE_LEN),
+ AH_LENGTH_S = 2, // archive_header_S = optional {size_hi, size_lo}
+ AH_ARCHIVE_SIZE_HI = 0, // offset in archive_header_S
+ AH_ARCHIVE_SIZE_LO = 1, // offset in archive_header_S
+ AH_FILE_HEADER_LEN = 5, // file_counts = {{size_hi, size_lo), next, modtile, files}
+ AH_SPECIAL_FORMAT_LEN = 2, // special_count = {layouts, band_headers}
+ AH_CP_NUMBER_LEN = 4, // cp_number_counts = {int, float, long, double}
+ AH_CP_EXTRA_LEN = 4, // cp_attr_counts = {MH, MT, InDy, BSM}
+ ARCHIVE_SIZE_MIN = AH_LENGTH_MIN - AH_LENGTH_0 - AH_LENGTH_S,
FIRST_READ = MAGIC_BYTES + AH_LENGTH_MIN
};
assert(AH_LENGTH_MIN == 15); // # of UNSIGNED5 fields required after archive_magic
- assert(ARCHIVE_SIZE_MIN == 10); // # of UNSIGNED5 fields required after archive_size
// An absolute minimum null archive is magic[4], {minver,majver,options}[3],
// archive_size[0], cp_counts[8], class_counts[4], for a total of 19 bytes.
// (Note that archive_size is optional; it may be 0..10 bytes in length.)
@@ -622,23 +642,32 @@
// Read the first 3 values from the header.
value_stream hdr;
int hdrVals = 0;
- int hdrValsSkipped = 0; // debug only
+ int hdrValsSkipped = 0; // for assert
hdr.init(rp, rplimit, UNSIGNED5_spec);
minver = hdr.getInt();
majver = hdr.getInt();
hdrVals += 2;
- if (magic != (int)JAVA_PACKAGE_MAGIC ||
- (majver != JAVA5_PACKAGE_MAJOR_VERSION &&
- majver != JAVA6_PACKAGE_MAJOR_VERSION) ||
- (minver != JAVA5_PACKAGE_MINOR_VERSION &&
- minver != JAVA6_PACKAGE_MINOR_VERSION)) {
+ int majmin[3][2] = {
+ {JAVA5_PACKAGE_MAJOR_VERSION, JAVA5_PACKAGE_MINOR_VERSION},
+ {JAVA6_PACKAGE_MAJOR_VERSION, JAVA6_PACKAGE_MINOR_VERSION},
+ {JAVA7_PACKAGE_MAJOR_VERSION, JAVA7_PACKAGE_MINOR_VERSION}
+ };
+ int majminfound = false;
+ for (int i = 0 ; i < 3 ; i++) {
+ if (majver == majmin[i][0] && minver == majmin[i][1]) {
+ majminfound = true;
+ break;
+ }
+ }
+ if (majminfound == null) {
char message[200];
sprintf(message, "@" ERROR_FORMAT ": magic/ver = "
- "%08X/%d.%d should be %08X/%d.%d OR %08X/%d.%d\n",
+ "%08X/%d.%d should be %08X/%d.%d OR %08X/%d.%d OR %08X/%d.%d\n",
magic, majver, minver,
JAVA_PACKAGE_MAGIC, JAVA5_PACKAGE_MAJOR_VERSION, JAVA5_PACKAGE_MINOR_VERSION,
- JAVA_PACKAGE_MAGIC, JAVA6_PACKAGE_MAJOR_VERSION, JAVA6_PACKAGE_MINOR_VERSION);
+ JAVA_PACKAGE_MAGIC, JAVA6_PACKAGE_MAJOR_VERSION, JAVA6_PACKAGE_MINOR_VERSION,
+ JAVA_PACKAGE_MAGIC, JAVA7_PACKAGE_MAJOR_VERSION, JAVA7_PACKAGE_MINOR_VERSION);
abort(message);
}
CHECK;
@@ -646,18 +675,26 @@
archive_options = hdr.getInt();
hdrVals += 1;
assert(hdrVals == AH_LENGTH_0); // first three fields only
-
-#define ORBIT(bit) |(bit)
- int OPTION_LIMIT = (0 ARCHIVE_BIT_DO(ORBIT));
-#undef ORBIT
- if ((archive_options & ~OPTION_LIMIT) != 0) {
- fprintf(errstrm, "Warning: Illegal archive options 0x%x\n",
- archive_options);
- abort("illegal archive options");
+ bool haveSizeHi = testBit(archive_options, AO_HAVE_FILE_SIZE_HI);
+ bool haveModTime = testBit(archive_options, AO_HAVE_FILE_MODTIME);
+ bool haveFileOpt = testBit(archive_options, AO_HAVE_FILE_OPTIONS);
+
+ bool haveSpecial = testBit(archive_options, AO_HAVE_SPECIAL_FORMATS);
+ bool haveFiles = testBit(archive_options, AO_HAVE_FILE_HEADERS);
+ bool haveNumbers = testBit(archive_options, AO_HAVE_CP_NUMBERS);
+ bool haveCPExtra = testBit(archive_options, AO_HAVE_CP_EXTRAS);
+
+ if (majver < JAVA7_PACKAGE_MAJOR_VERSION) {
+ if (haveCPExtra) {
+ abort("Format bits for Java 7 must be zero in previous releases");
+ return;
+ }
+ }
+ if (testBit(archive_options, AO_UNUSED_MBZ)) {
+ abort("High archive option bits are reserved and must be zero");
return;
}
-
- if ((archive_options & AO_HAVE_FILE_HEADERS) != 0) {
+ if (haveFiles) {
uint hi = hdr.getInt();
uint lo = hdr.getInt();
julong x = band::makeLong(hi, lo);
@@ -738,13 +775,23 @@
return;
}
- // read the rest of the header fields
- ensure_input((AH_LENGTH-AH_LENGTH_0) * B_MAX);
+ // read the rest of the header fields int assertSkipped = AH_LENGTH_MIN - AH_LENGTH_0 - AH_LENGTH_S;
+ int remainingHeaders = AH_LENGTH_MIN - AH_LENGTH_0 - AH_LENGTH_S;
+ if (haveSpecial)
+ remainingHeaders += AH_SPECIAL_FORMAT_LEN;
+ if (haveFiles)
+ remainingHeaders += AH_FILE_HEADER_LEN;
+ if (haveNumbers)
+ remainingHeaders += AH_CP_NUMBER_LEN;
+ if (haveCPExtra)
+ remainingHeaders += AH_CP_EXTRA_LEN;
+
+ ensure_input(remainingHeaders * B_MAX);
CHECK;
hdr.rp = rp;
hdr.rplimit = rplimit;
- if ((archive_options & AO_HAVE_FILE_HEADERS) != 0) {
+ if (haveFiles) {
archive_next_count = hdr.getInt();
CHECK_COUNT(archive_next_count);
archive_modtime = hdr.getInt();
@@ -755,7 +802,7 @@
hdrValsSkipped += 3;
}
- if ((archive_options & AO_HAVE_SPECIAL_FORMATS) != 0) {
+ if (haveSpecial) {
band_headers_size = hdr.getInt();
CHECK_COUNT(band_headers_size);
attr_definition_count = hdr.getInt();
@@ -767,7 +814,7 @@
int cp_counts[N_TAGS_IN_ORDER];
for (int k = 0; k < (int)N_TAGS_IN_ORDER; k++) {
- if (!(archive_options & AO_HAVE_CP_NUMBERS)) {
+ if (!haveNumbers) {
switch (TAGS_IN_ORDER[k]) {
case CONSTANT_Integer:
case CONSTANT_Float:
@@ -778,6 +825,17 @@
continue;
}
}
+ if (!haveCPExtra) {
+ switch(TAGS_IN_ORDER[k]) {
+ case CONSTANT_MethodHandle:
+ case CONSTANT_MethodType:
+ case CONSTANT_InvokeDynamic:
+ case CONSTANT_BootstrapMethod:
+ cp_counts[k] = 0;
+ hdrValsSkipped += 1;
+ continue;
+ }
+ }
cp_counts[k] = hdr.getInt();
CHECK_COUNT(cp_counts[k]);
hdrVals += 1;
@@ -791,36 +849,26 @@
CHECK_COUNT(class_count);
hdrVals += 4;
- // done with archive_header
+ // done with archive_header, time to reconcile to ensure
+ // we have read everything correctly
hdrVals += hdrValsSkipped;
assert(hdrVals == AH_LENGTH);
-#ifndef PRODUCT
- int assertSkipped = AH_LENGTH - AH_LENGTH_MIN;
- if ((archive_options & AO_HAVE_FILE_HEADERS) != 0)
- assertSkipped -= AH_FILE_HEADER_LEN;
- if ((archive_options & AO_HAVE_SPECIAL_FORMATS) != 0)
- assertSkipped -= AH_SPECIAL_FORMAT_LEN;
- if ((archive_options & AO_HAVE_CP_NUMBERS) != 0)
- assertSkipped -= AH_CP_NUMBER_LEN;
- assert(hdrValsSkipped == assertSkipped);
-#endif //PRODUCT
-
rp = hdr.rp;
if (rp > rplimit)
abort("EOF reading archive header");
// Now size the CP.
#ifndef PRODUCT
- bool x = (N_TAGS_IN_ORDER == cpool::NUM_COUNTS);
- assert(x);
+ // bool x = (N_TAGS_IN_ORDER == CONSTANT_Limit);
+ // assert(x);
#endif //PRODUCT
cp.init(this, cp_counts);
CHECK;
default_file_modtime = archive_modtime;
- if (default_file_modtime == 0 && !(archive_options & AO_HAVE_FILE_MODTIME))
+ if (default_file_modtime == 0 && haveModTime)
default_file_modtime = DEFAULT_ARCHIVE_MODTIME; // taken from driver
- if ((archive_options & AO_DEFLATE_HINT) != 0)
+ if (testBit(archive_options, AO_DEFLATE_HINT))
default_file_options |= FO_DEFLATE_HINT;
// meta-bytes, if any, immediately follow archive header
@@ -876,7 +924,7 @@
// Cf. PackageReader.readConstantPoolCounts
-void cpool::init(unpacker* u_, int counts[NUM_COUNTS]) {
+void cpool::init(unpacker* u_, int counts[CONSTANT_Limit]) {
this->u = u_;
// Fill-pointer for CP.
@@ -924,13 +972,16 @@
first_extra_entry = &entries[nentries];
// Initialize the standard indexes.
- tag_count[CONSTANT_All] = nentries;
- tag_base[ CONSTANT_All] = 0;
for (int tag = 0; tag < CONSTANT_Limit; tag++) {
entry* cpMap = &entries[tag_base[tag]];
tag_index[tag].init(tag_count[tag], cpMap, tag);
}
+ // Initialize *all* our entries once
+ for (int i = 0 ; i < maxentries ; i++)
+ entries[i].outputIndex = REQUESTED_NONE;
+
+ initGroupIndexes();
// Initialize hashTab to a generous power-of-two size.
uint pow2 = 1;
uint target = maxentries + maxentries/2; // 60% full
@@ -1281,6 +1332,70 @@
//cp_Signature_classes.done();
}
+maybe_inline
+void unpacker::checkLegacy(const char* name) {
+ if (u->majver < JAVA7_PACKAGE_MAJOR_VERSION) {
+ char message[100];
+ snprintf(message, 99, "unexpected band %s\n", name);
+ abort(message);
+ }
+}
+
+maybe_inline
+void unpacker::read_method_handle(entry* cpMap, int len) {
+ if (len > 0) {
+ checkLegacy(cp_MethodHandle_refkind.name);
+ }
+ cp_MethodHandle_refkind.readData(len);
+ cp_MethodHandle_member.setIndexByTag(CONSTANT_AnyMember);
+ cp_MethodHandle_member.readData(len);
+ for (int i = 0 ; i < len ; i++) {
+ entry& e = cpMap[i];
+ e.value.i = cp_MethodHandle_refkind.getInt();
+ e.refs = U_NEW(entry*, e.nrefs = 1);
+ e.refs[0] = cp_MethodHandle_member.getRef();
+ CHECK;
+ }
+}
+
+maybe_inline
+void unpacker::read_method_type(entry* cpMap, int len) {
+ if (len > 0) {
+ checkLegacy(cp_MethodType.name);
+ }
+ cp_MethodType.setIndexByTag(CONSTANT_Signature);
+ cp_MethodType.readData(len);
+ for (int i = 0 ; i < len ; i++) {
+ entry& e = cpMap[i];
+ e.refs = U_NEW(entry*, e.nrefs = 1);
+ e.refs[0] = cp_MethodType.getRef();
+ }
+}
+
+maybe_inline
+void unpacker::read_bootstrap_methods(entry* cpMap, int len) {
+ if (len > 0) {
+ checkLegacy(cp_BootstrapMethod_ref.name);
+ }
+ cp_BootstrapMethod_ref.setIndexByTag(CONSTANT_MethodHandle);
+ cp_BootstrapMethod_ref.readData(len);
+
+ cp_BootstrapMethod_arg_count.readData(len);
+ int totalArgCount = cp_BootstrapMethod_arg_count.getIntTotal();
+ cp_BootstrapMethod_arg.setIndexByTag(CONSTANT_LoadableValue);
+ cp_BootstrapMethod_arg.readData(totalArgCount);
+ for (int i = 0; i < len; i++) {
+ entry& e = cpMap[i];
+ int argc = cp_BootstrapMethod_arg_count.getInt();
+ e.value.i = argc;
+ e.refs = U_NEW(entry*, e.nrefs = argc + 1);
+ e.refs[0] = cp_BootstrapMethod_ref.getRef();
+ for (int j = 1 ; j < e.nrefs ; j++) {
+ e.refs[j] = cp_BootstrapMethod_arg.getRef();
+ CHECK;
+ }
+ }
+}
// Cf. PackageReader.readConstantPool
void unpacker::read_cp() {
byte* rp0 = rp;
@@ -1298,6 +1413,14 @@
cpMap[i].tag = tag;
cpMap[i].inord = i;
}
+ // Initialize the tag's CP index right away, since it might be needed
+ // in the next pass to initialize the CP for another tag.
+#ifndef PRODUCT
+ cpindex* ix = &cp.tag_index[tag];
+ assert(ix->ixTag == tag);
+ assert((int)ix->len == len);
+ assert(ix->base1 == cpMap);
+#endif
switch (tag) {
case CONSTANT_Utf8:
@@ -1344,19 +1467,27 @@
CONSTANT_Class, CONSTANT_NameandType,
cpMap, len);
break;
+ case CONSTANT_MethodHandle:
+ // consumes cp_MethodHandle_refkind and cp_MethodHandle_member
+ read_method_handle(cpMap, len);
+ break;
+ case CONSTANT_MethodType:
+ // consumes cp_MethodType
+ read_method_type(cpMap, len);
+ break;
+ case CONSTANT_InvokeDynamic:
+ read_double_refs(cp_InvokeDynamic_spec, CONSTANT_BootstrapMethod,
+ CONSTANT_NameandType,
+ cpMap, len);
+ break;
+ case CONSTANT_BootstrapMethod:
+ // consumes cp_BootstrapMethod_ref, cp_BootstrapMethod_arg_count and cp_BootstrapMethod_arg
+ read_bootstrap_methods(cpMap, len);
+ break;
default:
assert(false);
break;
}
-
- // Initialize the tag's CP index right away, since it might be needed
- // in the next pass to initialize the CP for another tag.
-#ifndef PRODUCT
- cpindex* ix = &cp.tag_index[tag];
- assert(ix->ixTag == tag);
- assert((int)ix->len == len);
- assert(ix->base1 == cpMap);
-#endif
CHECK;
}
@@ -1791,7 +1922,12 @@
case 'F': ixTag = CONSTANT_Float; break;
case 'D': ixTag = CONSTANT_Double; break;
case 'S': ixTag = CONSTANT_String; break;
- case 'Q': ixTag = CONSTANT_Literal; break;
+ case 'Q': ixTag = CONSTANT_FieldSpecific; break;
+
+ // new in 1.7
+ case 'M': ixTag = CONSTANT_MethodHandle; break;
+ case 'T': ixTag = CONSTANT_MethodType; break;
+ case 'L': ixTag = CONSTANT_LoadableValue; break;
}
} else {
switch (*lp++) {
@@ -1803,6 +1939,11 @@
case 'I': ixTag = CONSTANT_InterfaceMethodref; break;
case 'U': ixTag = CONSTANT_Utf8; break; //utf8_ref
case 'Q': ixTag = CONSTANT_All; break; //untyped_ref
+
+ // new in 1.7
+ case 'Y': ixTag = CONSTANT_InvokeDynamic; break;
+ case 'B': ixTag = CONSTANT_BootstrapMethod; break;
+ case 'N': ixTag = CONSTANT_AnyMember; break;
}
}
if (ixTag == CONSTANT_None) {
@@ -1873,13 +2014,13 @@
// Decide whether bands for the optional high flag words are present.
attr_defs[ATTR_CONTEXT_CLASS]
- .setHaveLongFlags((archive_options & AO_HAVE_CLASS_FLAGS_HI) != 0);
+ .setHaveLongFlags(testBit(archive_options, AO_HAVE_CLASS_FLAGS_HI));
attr_defs[ATTR_CONTEXT_FIELD]
- .setHaveLongFlags((archive_options & AO_HAVE_FIELD_FLAGS_HI) != 0);
+ .setHaveLongFlags(testBit(archive_options, AO_HAVE_FIELD_FLAGS_HI));
attr_defs[ATTR_CONTEXT_METHOD]
- .setHaveLongFlags((archive_options & AO_HAVE_METHOD_FLAGS_HI) != 0);
+ .setHaveLongFlags(testBit(archive_options, AO_HAVE_METHOD_FLAGS_HI));
attr_defs[ATTR_CONTEXT_CODE]
- .setHaveLongFlags((archive_options & AO_HAVE_CODE_FLAGS_HI) != 0);
+ .setHaveLongFlags(testBit(archive_options, AO_HAVE_CODE_FLAGS_HI));
// Set up built-in attrs.
// (The simple ones are hard-coded. The metadata layouts are not.)
@@ -2579,7 +2720,7 @@
// It has data, so unparse an element.
if (b.ixTag != CONSTANT_None) {
assert(le_kind == EK_REF);
- if (b.ixTag == CONSTANT_Literal)
+ if (b.ixTag == CONSTANT_FieldSpecific)
e = b.getRefUsing(cp.getKQIndex());
else
e = b.getRefN();
@@ -2653,13 +2794,13 @@
void unpacker::read_files() {
file_name.readData(file_count);
- if ((archive_options & AO_HAVE_FILE_SIZE_HI) != 0)
+ if (testBit(archive_options, AO_HAVE_FILE_SIZE_HI))
file_size_hi.readData(file_count);
file_size_lo.readData(file_count);
- if ((archive_options & AO_HAVE_FILE_MODTIME) != 0)
+ if (testBit(archive_options, AO_HAVE_FILE_MODTIME))
file_modtime.readData(file_count);
int allFiles = file_count + class_count;
- if ((archive_options & AO_HAVE_FILE_OPTIONS) != 0) {
+ if (testBit(archive_options, AO_HAVE_FILE_OPTIONS)) {
file_options.readData(file_count);
// FO_IS_CLASS_STUB might be set, causing overlap between classes and files
for (int i = 0; i < file_count; i++) {
@@ -2703,7 +2844,7 @@
max_stack = sc % mod;
max_na_locals = sc / mod; // caller must add static, siglen
handler_count = nh;
- if ((archive_options & AO_HAVE_ALL_CODE_FLAGS) != 0)
+ if (testBit(archive_options, AO_HAVE_ALL_CODE_FLAGS))
cflags = -1;
else
cflags = 0; // this one has no attributes
@@ -2777,12 +2918,14 @@
return &bc_longref;
case bc_dldc2_w:
return &bc_doubleref;
- case bc_aldc:
- case bc_aldc_w:
+ case bc_sldc:
+ case bc_sldc_w:
return &bc_stringref;
case bc_cldc:
case bc_cldc_w:
return &bc_classref;
+ case bc_qldc: case bc_qldc_w:
+ return &bc_loadablevalueref;
case bc_getstatic:
case bc_putstatic:
@@ -2796,6 +2939,8 @@
return &bc_methodref;
case bc_invokeinterface:
return &bc_imethodref;
+ case bc_invokedynamic:
+ return &bc_indyref;
case bc_new:
case bc_anewarray:
@@ -3131,6 +3276,71 @@
}
}
+bool isLoadableValue(int tag) {
+ switch(tag) {
+ case CONSTANT_Integer:
+ case CONSTANT_Float:
+ case CONSTANT_Long:
+ case CONSTANT_Double:
+ case CONSTANT_String:
+ case CONSTANT_Class:
+ case CONSTANT_MethodHandle:
+ case CONSTANT_MethodType:
+ return true;
+ default:
+ return false;
+ }
+}
+/*
+ * this method can be used to size an array using null as the parameter,
+ * thereafter can be reused to initialize the array using a valid pointer
+ * as a parameter.
+ */
+int cpool::initLoadableValues(entry** loadable_entries) {
+ int loadable_count = 0;
+ for (int i = 0; i < (int)N_TAGS_IN_ORDER; i++) {
+ int tag = TAGS_IN_ORDER[i];
+ if (!isLoadableValue(tag))
+ continue;
+ if (loadable_entries != NULL) {
+ for (int n = 0 ; n < tag_count[tag] ; n++) {
+ loadable_entries[loadable_count + n] = &entries[tag_base[tag] + n];
+ }
+ }
+ loadable_count += tag_count[tag];
+ }
+ return loadable_count;
+}
+
+// Initialize various views into the constant pool.
+void cpool::initGroupIndexes() {
+ // Initialize All
+ int all_count = 0;
+ for (int tag = CONSTANT_None ; tag < CONSTANT_Limit ; tag++) {
+ all_count += tag_count[tag];
+ }
+ entry* all_entries = &entries[tag_base[CONSTANT_None]];
+ tag_group_count[CONSTANT_All - CONSTANT_All] = all_count;
+ tag_group_index[CONSTANT_All - CONSTANT_All].init(all_count, all_entries, CONSTANT_All);
+
+ // Initialize LoadableValues
+ int loadable_count = initLoadableValues(NULL);
+ entry** loadable_entries = U_NEW(entry*, loadable_count);
+ initLoadableValues(loadable_entries);
+ tag_group_count[CONSTANT_LoadableValue - CONSTANT_All] = loadable_count;
+ tag_group_index[CONSTANT_LoadableValue - CONSTANT_All].init(loadable_count,
+ loadable_entries, CONSTANT_LoadableValue);
+
+// Initialize AnyMembers
+ int any_count = tag_count[CONSTANT_Fieldref] +
+ tag_count[CONSTANT_Methodref] +
+ tag_count[CONSTANT_InterfaceMethodref];
+ entry *any_entries = &entries[tag_base[CONSTANT_Fieldref]];
+ tag_group_count[CONSTANT_AnyMember - CONSTANT_All] = any_count;
+ tag_group_index[CONSTANT_AnyMember - CONSTANT_All].init(any_count,
+ any_entries, CONSTANT_AnyMember);
+}
+
void cpool::initMemberIndexes() {
// This function does NOT refer to any class schema.
// It is totally internal to the cpool.
@@ -3238,13 +3448,13 @@
}
void entry::requestOutputIndex(cpool& cp, int req) {
- assert(outputIndex <= NOT_REQUESTED); // must not have assigned indexes yet
+ assert(outputIndex <= REQUESTED_NONE); // must not have assigned indexes yet
if (tag == CONSTANT_Signature) {
ref(0)->requestOutputIndex(cp, req);
return;
}
assert(req == REQUESTED || req == REQUESTED_LDC);
- if (outputIndex != NOT_REQUESTED) {
+ if (outputIndex != REQUESTED_NONE) {
if (req == REQUESTED_LDC)
outputIndex = req; // this kind has precedence
return;
@@ -3252,31 +3462,52 @@
outputIndex = req;
//assert(!cp.outputEntries.contains(this));
assert(tag != CONSTANT_Signature);
- cp.outputEntries.add(this);
+ // The BSMs are jetisoned to a side table, however all references
+ // that the BSMs refer to, need to be considered.
+ if (tag == CONSTANT_BootstrapMethod) {
+ // this is a a pseudo-op entry; an attribute will be generated later on
+ cp.requested_bsms.add(this);
+ } else {
+ // all other tag types go into real output file CP:
+ cp.outputEntries.add(this);
+ }
for (int j = 0; j < nrefs; j++) {
ref(j)->requestOutputIndex(cp);
}
}
void cpool::resetOutputIndexes() {
- int i;
- int noes = outputEntries.length();
+ /*
+ * reset those few entries that are being used in the current class
+ * (Caution since this method is called after every class written, a loop
+ * over every global constant pool entry would be a quadratic cost.)
+ */
+
+ int noes = outputEntries.length();
entry** oes = (entry**) outputEntries.base();
- for (i = 0; i < noes; i++) {
+ for (int i = 0 ; i < noes ; i++) {
entry& e = *oes[i];
- e.outputIndex = NOT_REQUESTED;
+ e.outputIndex = REQUESTED_NONE;
+ }
+
+ // do the same for bsms and reset them if required
+ int nbsms = requested_bsms.length();
+ entry** boes = (entry**) requested_bsms.base();
+ for (int i = 0 ; i < nbsms ; i++) {
+ entry& e = *boes[i];
+ e.outputIndex = REQUESTED_NONE;
}
outputIndexLimit = 0;
outputEntries.empty();
#ifndef PRODUCT
- // they must all be clear now
- for (i = 0; i < (int)nentries; i++)
- assert(entries[i].outputIndex == NOT_REQUESTED);
+ // ensure things are cleared out
+ for (int i = 0; i < (int)maxentries; i++)
+ assert(entries[i].outputIndex == REQUESTED_NONE);
#endif
}
static const byte TAG_ORDER[CONSTANT_Limit] = {
- 0, 1, 0, 2, 3, 4, 5, 7, 6, 10, 11, 12, 9, 8
+ 0, 1, 0, 2, 3, 4, 5, 7, 6, 10, 11, 12, 9, 8, 0, 13, 14, 15, 16
};
extern "C"
@@ -3323,10 +3554,18 @@
if (nentries > 100) checkStep = nentries / 100;
for (i = (int)(checkStart++ % checkStep); i < (int)nentries; i += checkStep) {
entry& e = entries[i];
- if (e.outputIndex != NOT_REQUESTED) {
- assert(outputEntries.contains(&e));
+ if (e.tag == CONSTANT_BootstrapMethod) {
+ if (e.outputIndex != REQUESTED_NONE) {
+ assert(requested_bsms.contains(&e));
+ } else {
+ assert(!requested_bsms.contains(&e));
+ }
} else {
- assert(!outputEntries.contains(&e));
+ if (e.outputIndex != REQUESTED_NONE) {
+ assert(outputEntries.contains(&e));
+ } else {
+ assert(!outputEntries.contains(&e));
+ }
}
}
@@ -3348,7 +3587,7 @@
int nextIndex = 1; // always skip index #0 in output cpool
for (i = 0; i < noes; i++) {
entry& e = *oes[i];
- assert(e.outputIndex == REQUESTED || e.outputIndex == REQUESTED_LDC);
+ assert(e.outputIndex >= REQUESTED_LDC);
e.outputIndex = nextIndex++;
if (e.isDoubleWord()) nextIndex++; // do not use the next index
}
@@ -3396,7 +3635,7 @@
default:
if (nrefs == 0) {
buf = getbuf(20);
- sprintf((char*)buf.ptr, "<tag=%d>", tag);
+ sprintf((char*)buf.ptr, TAG_NAME[tag]);
} else if (nrefs == 1) {
return refs[0]->string();
} else {
@@ -3674,6 +3913,7 @@
class_fixup_offset.empty();
class_fixup_ref.empty();
requested_ics.empty();
+ cp.requested_bsms.empty();
}
cpindex* cpool::getKQIndex() {
@@ -3931,13 +4171,15 @@
case bc_ildc:
case bc_cldc:
case bc_fldc:
- case bc_aldc:
+ case bc_sldc:
+ case bc_qldc:
origBC = bc_ldc;
break;
case bc_ildc_w:
case bc_cldc_w:
case bc_fldc_w:
- case bc_aldc_w:
+ case bc_sldc_w:
+ case bc_qldc_w:
origBC = bc_ldc_w;
break;
case bc_lldc2_w:
@@ -3962,6 +4204,10 @@
int argSize = ref->memberDescr()->descrType()->typeSize();
putu1_fast(1 + argSize);
putu1_fast(0);
+ } else if (origBC == bc_invokedynamic) {
+ // pad the next two byte
+ putu1_fast(0);
+ putu1_fast(0);
}
continue;
}
@@ -4353,49 +4599,12 @@
return (p1 > p2)? 1: (p1 < p2)? -1: 0;
}
-void unpacker::write_classfile_tail() {
- cur_classfile_tail.empty();
- set_output(&cur_classfile_tail);
-
- int i, num;
-
- attr_definitions& ad = attr_defs[ATTR_CONTEXT_CLASS];
-
- bool haveLongFlags = ad.haveLongFlags();
- julong kflags = class_flags_hi.getLong(class_flags_lo, haveLongFlags);
- julong indexMask = ad.flagIndexMask();
-
- cur_class = class_this.getRef();
- cur_super = class_super.getRef();
-
- CHECK;
-
- if (cur_super == cur_class) cur_super = null;
- // special representation for java/lang/Object
-
- putu2((ushort)(kflags & ~indexMask));
- putref(cur_class);
- putref(cur_super);
-
- putu2(num = class_interface_count.getInt());
- for (i = 0; i < num; i++) {
- putref(class_interface.getRef());
- }
-
- write_members(class_field_count.getInt(), ATTR_CONTEXT_FIELD);
- write_members(class_method_count.getInt(), ATTR_CONTEXT_METHOD);
- CHECK;
-
- cur_class_has_local_ics = false; // may be set true by write_attrs
-
-
- int naOffset = (int)wpoffset();
- int na = write_attrs(ATTR_CONTEXT_CLASS, (kflags & indexMask));
-
-
- // at the very last, choose which inner classes (if any) pertain to k:
+/*
+ * writes the InnerClass attributes and returns the updated attribute
+ */
+int unpacker::write_ics(int naOffset, int na) {
#ifdef ASSERT
- for (i = 0; i < ic_count; i++) {
+ for (int i = 0; i < ic_count; i++) {
assert(!ics[i].requested);
}
#endif
@@ -4416,7 +4625,7 @@
// include it and all its outers.
int noes = cp.outputEntries.length();
entry** oes = (entry**) cp.outputEntries.base();
- for (i = 0; i < noes; i++) {
+ for (int i = 0; i < noes; i++) {
entry& e = *oes[i];
if (e.tag != CONSTANT_Class) continue; // wrong sort
for (inner_class* ic = cp.getIC(&e);
@@ -4442,10 +4651,10 @@
// Note: extra_ics will be freed up by next call to get_next_file().
}
}
- for (i = 0; i < num_extra_ics; i++) {
+ for (int i = 0; i < num_extra_ics; i++) {
inner_class& extra_ic = extra_ics[i];
extra_ic.inner = class_InnerClasses_RC.getRef();
- CHECK;
+ CHECK_0;
// Find the corresponding equivalent global IC:
inner_class* global_ic = cp.getIC(extra_ic.inner);
int flags = class_InnerClasses_F.getInt();
@@ -4493,7 +4702,7 @@
putu2(local_ics);
PTRLIST_QSORT(requested_ics, raw_address_cmp);
int num_global_ics = requested_ics.length();
- for (i = -num_global_ics; i < num_extra_ics; i++) {
+ for (int i = -num_global_ics; i < num_extra_ics; i++) {
inner_class* ic;
if (i < 0)
ic = (inner_class*) requested_ics.get(num_global_ics+i);
@@ -4512,17 +4721,99 @@
}
// Tidy up global 'requested' bits:
- for (i = requested_ics.length(); --i >= 0; ) {
+ for (int i = requested_ics.length(); --i >= 0; ) {
inner_class* ic = (inner_class*) requested_ics.get(i);
ic->requested = false;
}
requested_ics.empty();
-
+ return na;
+}
+
+/*
+ * Writes the BootstrapMethods attribute and returns the updated attribute count
+ */
+int unpacker::write_bsms(int naOffset, int na) {
+ cur_class_local_bsm_count = cp.requested_bsms.length();
+ if (cur_class_local_bsm_count > 0) {
+ int noes = cp.outputEntries.length();
+ entry** oes = (entry**) cp.outputEntries.base();
+ PTRLIST_QSORT(cp.requested_bsms, outputEntry_cmp);
+ // append the BootstrapMethods attribute (after the InnerClasses attr):
+ putref(cp.sym[cpool::s_BootstrapMethods]);
+ int sizeOffset = (int)wpoffset();
+ byte* sizewp = wp;
+ putu4(-99); // attr size will be patched
+ putu2(cur_class_local_bsm_count);
+ int written_bsms = 0;
+ for (int i = 0 ; i < cur_class_local_bsm_count ; i++) {
+ entry* e = (entry*)cp.requested_bsms.get(i);
+ assert(e->outputIndex != REQUESTED_NONE);
+ // output index is the index within the array
+ e->outputIndex = i;
+ putref(e->refs[0]); // bsm
+ putu2(e->nrefs-1); // number of args after bsm
+ for (int j = 1; j < e->nrefs; j++) {
+ putref(e->refs[j]);
+ }
+ written_bsms += 1;
+ }
+ assert(written_bsms == cur_class_local_bsm_count); // else insane
+ putu4_at(sizewp, (int)(wp - (sizewp+4))); // size of code attr
+ putu2_at(wp_at(naOffset), ++na); // increment class attr count
+ }
+ return na;
+}
+
+void unpacker::write_classfile_tail() {
+
+ cur_classfile_tail.empty();
+ set_output(&cur_classfile_tail);
+
+ int i, num;
+
+ attr_definitions& ad = attr_defs[ATTR_CONTEXT_CLASS];
+
+ bool haveLongFlags = ad.haveLongFlags();
+ julong kflags = class_flags_hi.getLong(class_flags_lo, haveLongFlags);
+ julong indexMask = ad.flagIndexMask();
+
+ cur_class = class_this.getRef();
+ cur_super = class_super.getRef();
CHECK;
+
+ if (cur_super == cur_class) cur_super = null;
+ // special representation for java/lang/Object
+
+ putu2((ushort)(kflags & ~indexMask));
+ putref(cur_class);
+ putref(cur_super);
+
+ putu2(num = class_interface_count.getInt());
+ for (i = 0; i < num; i++) {
+ putref(class_interface.getRef());
+ }
+
+ write_members(class_field_count.getInt(), ATTR_CONTEXT_FIELD);
+ write_members(class_method_count.getInt(), ATTR_CONTEXT_METHOD);
+ CHECK;
+
+ cur_class_has_local_ics = false; // may be set true by write_attrs
+
+ int naOffset = (int)wpoffset(); // note the attr count location
+ int na = write_attrs(ATTR_CONTEXT_CLASS, (kflags & indexMask));
+ CHECK;
+
+ na = write_bsms(naOffset, na);
+ CHECK;
+
+ // choose which inner classes (if any) pertain to k:
+ na = write_ics(naOffset, na);
+ CHECK;
+
close_output();
+ cp.computeOutputIndexes();
// rewrite CP references in the tail
- cp.computeOutputIndexes();
int nextref = 0;
for (i = 0; i < (int)class_fixup_type.size(); i++) {
int type = class_fixup_type.getByte(i);
@@ -4579,9 +4870,18 @@
case CONSTANT_Methodref:
case CONSTANT_InterfaceMethodref:
case CONSTANT_NameandType:
+ case CONSTANT_InvokeDynamic:
putu2(e.refs[0]->getOutputIndex());
putu2(e.refs[1]->getOutputIndex());
break;
+ case CONSTANT_MethodHandle:
+ putu1(e.value.i);
+ putu2(e.refs[0]->getOutputIndex());
+ break;
+ case CONSTANT_MethodType:
+ putu2(e.refs[0]->getOutputIndex());
+ break;
+ case CONSTANT_BootstrapMethod: // should not happen
default:
abort(ERROR_INTERNAL);
}
@@ -4620,11 +4920,11 @@
entry* e = file_name.getRef();
CHECK_0;
cur_file.name = e->utf8String();
- bool haveLongSize = ((archive_options & AO_HAVE_FILE_SIZE_HI) != 0);
+ bool haveLongSize = (testBit(archive_options, AO_HAVE_FILE_SIZE_HI));
cur_file.size = file_size_hi.getLong(file_size_lo, haveLongSize);
- if ((archive_options & AO_HAVE_FILE_MODTIME) != 0)
+ if (testBit(archive_options, AO_HAVE_FILE_MODTIME))
cur_file.modtime += file_modtime.getInt(); //relative to archive modtime
- if ((archive_options & AO_HAVE_FILE_OPTIONS) != 0)
+ if (testBit(archive_options, AO_HAVE_FILE_OPTIONS))
cur_file.options |= file_options.getInt() & ~suppress_file_options;
} else if (classes_written < class_count) {
// there is a class for a missing file record
--- a/jdk/src/share/native/com/sun/java/util/jar/pack/unpack.h Sun Apr 22 19:09:02 2012 +0100
+++ b/jdk/src/share/native/com/sun/java/util/jar/pack/unpack.h Sun Apr 22 19:12:39 2012 +0100
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2002, 2008, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2002, 2012, Oracle and/or its affiliates. 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
@@ -22,9 +22,6 @@
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
-
-
-
// Global Structures
struct jar;
struct gunzip;
@@ -70,6 +67,9 @@
cpindex tag_index[CONSTANT_Limit];
ptrlist tag_extras[CONSTANT_Limit];
+ int tag_group_count[CONSTANT_GroupLimit - CONSTANT_GroupFirst];
+ cpindex tag_group_index[CONSTANT_GroupLimit - CONSTANT_GroupFirst];
+
cpindex* member_indexes; // indexed by 2*CONSTANT_Class.inord
cpindex* getFieldIndex(entry* classRef);
cpindex* getMethodIndex(entry* classRef);
@@ -82,6 +82,7 @@
int outputIndexLimit; // index limit after renumbering
ptrlist outputEntries; // list of entry* needing output idx assigned
+ ptrlist requested_bsms; // which bsms need output?
entry** hashTab;
uint hashTabLength;
@@ -100,24 +101,36 @@
entry* sym[s_LIMIT];
// read counts from hdr, allocate main arrays
- enum { NUM_COUNTS = 12 };
- void init(unpacker* u, int counts[NUM_COUNTS]);
+ void init(unpacker* u, int counts[CONSTANT_Limit]);
// pointer to outer unpacker, for error checks etc.
unpacker* u;
int getCount(byte tag) {
- assert((uint)tag < CONSTANT_Limit);
- return tag_count[tag];
+ if ((uint)tag >= CONSTANT_GroupFirst) {
+ assert((uint)tag < CONSTANT_GroupLimit);
+ return tag_group_count[(uint)tag - CONSTANT_GroupFirst];
+ } else {
+ assert((uint)tag < CONSTANT_Limit);
+ return tag_count[(uint)tag];
+ }
}
cpindex* getIndex(byte tag) {
- assert((uint)tag < CONSTANT_Limit);
- return &tag_index[tag];
+ if ((uint)tag >= CONSTANT_GroupFirst) {
+ assert((uint)tag < CONSTANT_GroupLimit);
+ return &tag_group_index[(uint)tag - CONSTANT_GroupFirst];
+ } else {
+ assert((uint)tag < CONSTANT_Limit);
+ return &tag_index[(uint)tag];
+ }
}
+
cpindex* getKQIndex(); // uses cur_descr
void expandSignatures();
+ void initGroupIndexes();
void initMemberIndexes();
+ int initLoadableValues(entry** loadable_entries);
void computeOutputOrder();
void computeOutputIndexes();
@@ -234,6 +247,7 @@
int cur_descr_flags; // flags corresponding to cur_descr
int cur_class_minver, cur_class_majver;
bool cur_class_has_local_ics;
+ int cur_class_local_bsm_count;
fillbytes cur_classfile_head;
fillbytes cur_classfile_tail;
int files_written; // also tells which file we're working on
@@ -412,7 +426,7 @@
void abort(const char* s = null);
bool aborting() { return abort_message != null; }
static unpacker* current(); // find current instance
-
+ void checkLegacy(const char* name);
// Output management
void set_output(fillbytes* which) {
assert(wp == null);
@@ -464,6 +478,8 @@
void write_bc_ops();
void write_members(int num, int attrc); // attrc=ATTR_CONTEXT_FIELD/METHOD
int write_attrs(int attrc, julong indexBits);
+ int write_ics(int naOffset, int na);
+ int write_bsms(int naOffset, int na);
// The readers
void read_bands();
@@ -484,6 +500,9 @@
void read_single_refs(band& cp_band, byte refTag, entry* cpMap, int len);
void read_double_refs(band& cp_band, byte ref1Tag, byte ref2Tag, entry* cpMap, int len);
void read_signature_values(entry* cpMap, int len);
+ void read_method_handle(entry* cpMap, int len);
+ void read_method_type(entry* cpMap, int len);
+ void read_bootstrap_methods(entry* cpMap, int len);
};
inline void cpool::abort(const char* msg) { u->abort(msg); }
--- a/jdk/test/tools/pack200/AttributeTests.java Sun Apr 22 19:09:02 2012 +0100
+++ b/jdk/test/tools/pack200/AttributeTests.java Sun Apr 22 19:12:39 2012 +0100
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2010, 2012, Oracle and/or its affiliates. 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
@@ -27,7 +27,7 @@
import java.util.List;
/*
* @test
- * @bug 6982312
+ * @bug 6746111
* @summary tests various classfile format and attribute handling by pack200
* @compile -XDignore.symbol.file Utils.java AttributeTests.java
* @run main AttributeTests
@@ -36,40 +36,8 @@
public class AttributeTests {
public static void main(String... args) throws Exception {
- test6982312();
test6746111();
}
- /*
- * This is an interim test, which ensures pack200 handles JSR-292 related
- * classfile changes seamlessly, until all the classfile changes in jdk7
- * and jdk8 are fully supported. At that time this test should be jettisoned,
- * along with the associated jar file.
- *
- * The jar file contains sources and classes noting the classes were
- * derived by using the javac from the lambda project,
- * see http://openjdk.java.net/projects/lambda/.
- * Therefore the classes contained in the jar cannot be compiled, using
- * the standard jdk7's javac compiler.
- */
- static void test6982312() throws IOException {
- String pack200Cmd = Utils.getPack200Cmd();
- File dynJar = new File(".", "dyn.jar");
- Utils.copyFile(new File(Utils.TEST_SRC_DIR, "dyn.jar"), dynJar);
- File testJar = new File(".", "test.jar");
- List<String> cmds = new ArrayList<String>();
- cmds.add(pack200Cmd);
- cmds.add("--repack");
- cmds.add(testJar.getAbsolutePath());
- cmds.add(dynJar.getAbsolutePath());
- Utils.runExec(cmds);
- /*
- * compare the repacked jar bit-wise, as all the files
- * should be transmitted "as-is".
- */
- Utils.doCompareBitWise(dynJar.getAbsoluteFile(), testJar.getAbsoluteFile());
- testJar.delete();
- dynJar.delete();
- }
/*
* this test checks to see if we get the expected strings for output
--- a/jdk/test/tools/pack200/PackageVersionTest.java Sun Apr 22 19:09:02 2012 +0100
+++ b/jdk/test/tools/pack200/PackageVersionTest.java Sun Apr 22 19:12:39 2012 +0100
@@ -1,6 +1,6 @@
/*
- * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2010, 2012, Oracle and/or its affiliates. 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
@@ -51,6 +51,9 @@
public final static int JAVA6_PACKAGE_MAJOR_VERSION = 160;
public final static int JAVA6_PACKAGE_MINOR_VERSION = 1;
+ public final static int JAVA7_PACKAGE_MAJOR_VERSION = 170;
+ public final static int JAVA7_PACKAGE_MINOR_VERSION = 1;
+
public static void main(String... args) {
if (!javaHome.getName().endsWith("jre")) {
throw new RuntimeException("Error: requires an SDK to run");
@@ -68,9 +71,8 @@
verifyPack("Test6.class", JAVA6_PACKAGE_MAJOR_VERSION,
JAVA6_PACKAGE_MINOR_VERSION);
- // TODO: change this to the java7 package version as needed.
- verifyPack("Test7.class", JAVA6_PACKAGE_MAJOR_VERSION,
- JAVA6_PACKAGE_MINOR_VERSION);
+ verifyPack("Test7.class", JAVA7_PACKAGE_MAJOR_VERSION,
+ JAVA7_PACKAGE_MINOR_VERSION);
// test for resource file, ie. no class files
verifyPack("Test6.java", JAVA5_PACKAGE_MAJOR_VERSION,
--- a/jdk/test/tools/pack200/Utils.java Sun Apr 22 19:09:02 2012 +0100
+++ b/jdk/test/tools/pack200/Utils.java Sun Apr 22 19:12:39 2012 +0100
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2007, 2012, Oracle and/or its affiliates. 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
@@ -129,8 +129,10 @@
init();
List<String> cmds = new ArrayList<String>();
cmds.add(getJavaCmd());
- cmds.add("-jar");
- cmds.add(VerifierJar.getName());
+ cmds.add("-cp");
+ cmds.add(Utils.locateJar("tools.jar") +
+ System.getProperty("path.separator") + VerifierJar.getName());
+ cmds.add("sun.tools.pack.verify.Main");
cmds.add(reference.getAbsolutePath());
cmds.add(specimen.getAbsolutePath());
cmds.add("-O");
@@ -142,8 +144,10 @@
init();
List<String> cmds = new ArrayList<String>();
cmds.add(getJavaCmd());
- cmds.add("-jar");
- cmds.add(VerifierJar.getName());
+ cmds.add("-cp");
+ cmds.add(Utils.locateJar("tools.jar")
+ + System.getProperty("path.separator") + VerifierJar.getName());
+ cmds.add("sun.tools.pack.verify.Main");
cmds.add(reference.getName());
cmds.add(specimen.getName());
cmds.add("-O");
Binary file jdk/test/tools/pack200/dyn.jar has changed
--- a/jdk/test/tools/pack200/pack200-verifier/data/README Sun Apr 22 19:09:02 2012 +0100
+++ b/jdk/test/tools/pack200/pack200-verifier/data/README Sun Apr 22 19:12:39 2012 +0100
@@ -2,19 +2,19 @@
different sources, some are hand-crafted invalid class files (odds directory),
or from random JDK builds.
-Generally these files serve to ensure the integrity of the packer and unpacker
-by,
- 1. maximizing the test coverage.
- 2. exercising all the Bands in the pack200 specification.
- 2. testing the behavior of the packer with invalid classes.
- 3. testing the archive integrity, ordering and description (date, sizes,
+Generally these files serve to ensure the integrity of the packer and
+unpacker by,
+ * maximizing the test coverage.
+ * exercising all the Bands in the pack200 specification.
+ * testing the behavior of the packer with invalid classes.
+ * testing the archive integrity, ordering and description (date, sizes,
CRC etc.)
Build:
To rebuild this JAR follow these steps:
1. unzip the golden.jar to some directory lets call it "example"
2. now we can add any directories with files into example.
- 2. run the script BUILDME.sh as
+ 3. run the script BUILDME.sh as
% sh BUILDME.sh example
Note: the BUILDME.sh is known to work on all Unix platforms as well as Windows
@@ -32,7 +32,7 @@
Basic:
% pack200 --repack test.jar golden.jar
- Advanced:
+ Advanced: inspection of band contents
Create a pack.conf as follows:
% cat pack.conf
com.sun.java.util.jar.pack.dump.bands=true
@@ -41,5 +41,6 @@
--verbose golden.jar.pack golden.jar
This command will dump the Bands in a unique directory BD_XXXXXX,
- one can inspect the directory to ensure all of the bands are being
- generated. Familiarity of the Pack200 specification is suggested.
\ No newline at end of file
+ one can then inspect the directory to ensure all of the bands are being
+ generated. Familiarity of the Pack200 specification is strongly
+ suggested.
Binary file jdk/test/tools/pack200/pack200-verifier/data/golden.jar has changed
--- a/jdk/test/tools/pack200/pack200-verifier/make/build.xml Sun Apr 22 19:09:02 2012 +0100
+++ b/jdk/test/tools/pack200/pack200-verifier/make/build.xml Sun Apr 22 19:12:39 2012 +0100
@@ -1,5 +1,5 @@
<project name="PackageVerify" default="dist" basedir="..">
- <!-- Requires ant 1.6.1+ and JDK 1.6+-->
+ <!-- Requires ant 1.6.1+ and JDK 1.7+-->
<!-- set global properties for this build -->
<property name="src" value="${basedir}/src"/>
@@ -22,7 +22,7 @@
<target name="compile" depends="init">
<!-- Compile the java code from ${src} into ${build} -->
<javac
- source="1.6"
+ source="1.7"
srcdir="${src}"
destdir="${build}/classes"
verbose="no"
@@ -32,7 +32,7 @@
<target name="doc" depends="init, compile">
<javadoc
- source="1.6"
+ source="1.7"
sourcepath="${src}"
destdir="${api}"
/>
--- a/jdk/test/tools/pack200/pack200-verifier/src/xmlkit/ClassReader.java Sun Apr 22 19:09:02 2012 +0100
+++ b/jdk/test/tools/pack200/pack200-verifier/src/xmlkit/ClassReader.java Sun Apr 22 19:12:39 2012 +0100
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2010, 2012, Oracle and/or its affiliates. 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
@@ -24,16 +24,58 @@
*/
package xmlkit; // -*- mode: java; indent-tabs-mode: nil -*-
+import com.sun.tools.classfile.AccessFlags;
+import com.sun.tools.classfile.Annotation;
+import com.sun.tools.classfile.Annotation.*;
+import com.sun.tools.classfile.AnnotationDefault_attribute;
+import com.sun.tools.classfile.Attribute;
+import com.sun.tools.classfile.Attributes;
+import com.sun.tools.classfile.BootstrapMethods_attribute;
+import com.sun.tools.classfile.CharacterRangeTable_attribute;
+import com.sun.tools.classfile.ClassFile;
+import com.sun.tools.classfile.Code_attribute;
+import com.sun.tools.classfile.CompilationID_attribute;
+import com.sun.tools.classfile.ConstantPool;
+import com.sun.tools.classfile.ConstantPool.*;
+import com.sun.tools.classfile.ConstantPoolException;
+import com.sun.tools.classfile.ConstantValue_attribute;
+import com.sun.tools.classfile.DefaultAttribute;
+import com.sun.tools.classfile.Deprecated_attribute;
+import com.sun.tools.classfile.Descriptor.InvalidDescriptor;
+import com.sun.tools.classfile.EnclosingMethod_attribute;
+import com.sun.tools.classfile.Exceptions_attribute;
+import com.sun.tools.classfile.Field;
+import com.sun.tools.classfile.InnerClasses_attribute;
+import com.sun.tools.classfile.InnerClasses_attribute.Info;
+import com.sun.tools.classfile.Instruction;
+import com.sun.tools.classfile.Instruction.TypeKind;
+import com.sun.tools.classfile.LineNumberTable_attribute;
+import com.sun.tools.classfile.LocalVariableTable_attribute;
+import com.sun.tools.classfile.LocalVariableTypeTable_attribute;
+import com.sun.tools.classfile.Method;
+import com.sun.tools.classfile.Opcode;
+import com.sun.tools.classfile.RuntimeInvisibleAnnotations_attribute;
+import com.sun.tools.classfile.RuntimeInvisibleParameterAnnotations_attribute;
+import com.sun.tools.classfile.RuntimeVisibleAnnotations_attribute;
+import com.sun.tools.classfile.RuntimeVisibleParameterAnnotations_attribute;
+import com.sun.tools.classfile.Signature_attribute;
+import com.sun.tools.classfile.SourceDebugExtension_attribute;
+import com.sun.tools.classfile.SourceFile_attribute;
+import com.sun.tools.classfile.SourceID_attribute;
+import com.sun.tools.classfile.StackMapTable_attribute;
+import com.sun.tools.classfile.StackMapTable_attribute.*;
+import com.sun.tools.classfile.StackMap_attribute;
+import com.sun.tools.classfile.Synthetic_attribute;
import java.util.*;
-import java.util.jar.*;
-import java.lang.reflect.*;
import java.io.*;
+import java.util.jar.JarEntry;
+import java.util.jar.JarFile;
import xmlkit.XMLKit.Element;
/*
- * @author jrose
+ * @author jrose, ksrini
*/
-public class ClassReader extends ClassSyntax {
+public class ClassReader {
private static final CommandLineParser CLP = new CommandLineParser(""
+ "-source: +> = \n"
@@ -41,23 +83,24 @@
+ "-encoding: +> = \n"
+ "-jcov $ \n -nojcov !-jcov \n"
+ "-verbose $ \n -noverbose !-verbose \n"
- + "-pretty $ \n -nopretty !-pretty \n"
+ "-keepPath $ \n -nokeepPath !-keepPath \n"
+ "-keepCP $ \n -nokeepCP !-keepCP \n"
- + "-keepBytes $ \n -nokeepBytes !-keepBytes \n"
- + "-parseBytes $ \n -noparseBytes !-parseBytes \n"
- + "-resolveRefs $ \n -noresolveRefs !-resolveRefs \n"
+ "-keepOrder $ \n -nokeepOrder !-keepOrder \n"
- + "-keepSizes $ \n -nokeepSizes !-keepSizes \n"
+ "-continue $ \n -nocontinue !-continue \n"
- + "-attrDef & \n"
+ "-@ >-@ . \n"
+ "- +? \n"
+ "\n");
+
+ // Protected state for representing the class file.
+ protected Element cfile; // <ClassFile ...>
+ protected Element cpool; // <ConstantPool ...>
+ protected Element klass; // <Class ...>
+ protected List<String> thePool; // stringified flattened Constant Pool
+
public static void main(String[] ava) throws IOException {
- ArrayList<String> av = new ArrayList<String>(Arrays.asList(ava));
- HashMap<String, String> props = new HashMap<String, String>();
+ ArrayList<String> av = new ArrayList<>(Arrays.asList(ava));
+ HashMap<String, String> props = new HashMap<>();
props.put("-encoding:", "UTF8"); // default
props.put("-keepOrder", null); // CLI default
props.put("-pretty", "1"); // CLI default
@@ -80,7 +123,7 @@
}
*/
if (av.isEmpty()) {
- av.add("doit"); //to enter this loop
+ av.add(""); //to enter this loop
}
boolean readList = false;
for (String a : av) {
@@ -119,7 +162,7 @@
private static void doFile(String a,
File source, File dest,
ClassReader options, String encoding,
- boolean contError) throws IOException {
+ boolean contError) throws IOException {
if (!contError) {
doFile(a, source, dest, options, encoding);
} else {
@@ -127,40 +170,49 @@
doFile(a, source, dest, options, encoding);
} catch (Exception ee) {
System.out.println("Error processing " + source + ": " + ee);
+ ee.printStackTrace();
}
}
}
- private static void doJar(String a, File source, File dest, ClassReader options,
- String encoding, Boolean contError) throws IOException {
+ private static void doJar(String a, File source, File dest,
+ ClassReader options, String encoding,
+ Boolean contError) throws IOException {
try {
JarFile jf = new JarFile(source);
- for (JarEntry je : Collections.list((Enumeration<JarEntry>) jf.entries())) {
+ for (JarEntry je : Collections.list(jf.entries())) {
String name = je.getName();
if (!name.endsWith(".class")) {
continue;
}
- doStream(name, jf.getInputStream(je), dest, options, encoding);
+ try {
+ doStream(name, jf.getInputStream(je), dest, options, encoding);
+ } catch (Exception e) {
+ if (contError) {
+ System.out.println("Error processing " + source + ": " + e);
+ e.printStackTrace();
+ continue;
+ }
+ }
}
} catch (IOException ioe) {
- if (contError) {
- System.out.println("Error processing " + source + ": " + ioe);
- } else {
- throw ioe;
- }
+ throw ioe;
}
}
private static void doStream(String a, InputStream in, File dest,
- ClassReader options, String encoding) throws IOException {
+ ClassReader options, String encoding) throws IOException {
File f = new File(a);
ClassReader cr = new ClassReader(options);
- Element e = cr.readFrom(in);
+ Element e;
+ if (options.verbose) {
+ System.out.println("Reading " + f);
+ }
+ e = cr.readFrom(in);
OutputStream out;
if (dest == null) {
- //System.out.println(e.prettyString());
out = System.out;
} else {
File outf = new File(dest, f.isAbsolute() ? f.getName() : f.getPath());
@@ -202,20 +254,8 @@
}
- public static BufferedReader makeReader(InputStream in, String encoding) throws IOException {
- // encoding in DEFAULT, '', UTF8, 8BIT, , or any valid encoding name
- if (encoding.equals("8BIT")) {
- encoding = EIGHT_BIT_CHAR_ENCODING;
- }
- if (encoding.equals("UTF8")) {
- encoding = UTF8_ENCODING;
- }
- if (encoding.equals("DEFAULT")) {
- encoding = null;
- }
- if (encoding.equals("-")) {
- encoding = null;
- }
+ public static BufferedReader makeReader(InputStream in,
+ String encoding) throws IOException {
Reader inw;
in = new BufferedInputStream(in); // add buffering
if (encoding == null) {
@@ -226,20 +266,8 @@
return new BufferedReader(inw); // add buffering
}
- public static Writer makeWriter(OutputStream out, String encoding) throws IOException {
- // encoding in DEFAULT, '', UTF8, 8BIT, , or any valid encoding name
- if (encoding.equals("8BIT")) {
- encoding = EIGHT_BIT_CHAR_ENCODING;
- }
- if (encoding.equals("UTF8")) {
- encoding = UTF8_ENCODING;
- }
- if (encoding.equals("DEFAULT")) {
- encoding = null;
- }
- if (encoding.equals("-")) {
- encoding = null;
- }
+ public static Writer makeWriter(OutputStream out,
+ String encoding) throws IOException {
Writer outw;
if (encoding == null) {
outw = new OutputStreamWriter(out);
@@ -252,12 +280,9 @@
public Element result() {
return cfile;
}
+
protected InputStream in;
protected ByteArrayOutputStream buf = new ByteArrayOutputStream(1024);
- protected byte cpTag[];
- protected String cpName[];
- protected String[] callables; // varies
- public static final String REF_PREFIX = "#";
// input options
public boolean pretty = false;
public boolean verbose = false;
@@ -270,7 +295,7 @@
public boolean keepSizes = false;
public ClassReader() {
- super.cfile = new Element("ClassFile");
+ cfile = new Element("ClassFile");
}
public ClassReader(ClassReader options) {
@@ -283,12 +308,7 @@
verbose = options.verbose;
keepPath = options.keepPath;
keepCP = options.keepCP;
- keepBytes = options.keepBytes;
- parseBytes = options.parseBytes;
- resolveRefs = options.resolveRefs;
- keepSizes = options.keepSizes;
keepOrder = options.keepOrder;
- attrTypes = options.attrTypes;
}
public void copyOptionsFrom(Map<String, String> options) {
@@ -304,274 +324,177 @@
if (options.containsKey("-keepCP")) {
keepCP = (options.get("-keepCP") != null);
}
- if (options.containsKey("-keepBytes")) {
- keepBytes = (options.get("-keepBytes") != null);
- }
- if (options.containsKey("-parseBytes")) {
- parseBytes = (options.get("-parseBytes") != null);
- }
- if (options.containsKey("-resolveRefs")) {
- resolveRefs = (options.get("-resolveRefs") != null);
- }
- if (options.containsKey("-keepSizes")) {
- keepSizes = (options.get("-keepSizes") != null);
- }
if (options.containsKey("-keepOrder")) {
keepOrder = (options.get("-keepOrder") != null);
}
- if (options.containsKey("-attrDef")) {
- addAttrTypes(options.get("-attrDef").split(" "));
- }
- if (options.get("-jcov") != null) {
- addJcovAttrTypes();
- }
}
+ protected String getCpString(int i) {
+ return thePool.get(i);
+ }
+
public Element readFrom(InputStream in) throws IOException {
- this.in = in;
- // read the file header
- int magic = u4();
- if (magic != 0xCAFEBABE) {
- throw new RuntimeException("bad magic number " + Integer.toHexString(magic));
+ try {
+ this.in = in;
+ ClassFile c = ClassFile.read(in);
+ // read the file header
+ if (c.magic != 0xCAFEBABE) {
+ throw new RuntimeException("bad magic number " +
+ Integer.toHexString(c.magic));
+ }
+ cfile.setAttr("magic", "" + c.magic);
+ int minver = c.minor_version;
+ int majver = c.major_version;
+ cfile.setAttr("minver", "" + minver);
+ cfile.setAttr("majver", "" + majver);
+ readCP(c);
+ readClass(c);
+ return result();
+ } catch (InvalidDescriptor | ConstantPoolException ex) {
+ throw new IOException("Fatal error", ex);
}
- cfile.setAttr("magic", "" + magic);
- int minver = u2();
- int majver = u2();
- cfile.setAttr("minver", "" + minver);
- cfile.setAttr("majver", "" + majver);
- readCP();
- readClass();
- return result();
}
public Element readFrom(File file) throws IOException {
- InputStream in = null;
- try {
- in = new FileInputStream(file);
- Element e = readFrom(new BufferedInputStream(in));
+ try (InputStream strm = new FileInputStream(file)) {
+ Element e = readFrom(new BufferedInputStream(strm));
if (keepPath) {
e.setAttr("path", file.toString());
}
return e;
- } finally {
- if (in != null) {
- in.close();
- }
}
}
- private void readClass() throws IOException {
+ private void readClass(ClassFile c) throws IOException,
+ ConstantPoolException,
+ InvalidDescriptor {
klass = new Element("Class");
cfile.add(klass);
- int flags = u2();
- String thisk = cpRef();
- String superk = cpRef();
+ String thisk = c.getName();
+
klass.setAttr("name", thisk);
- boolean flagsSync = ((flags & Modifier.SYNCHRONIZED) != 0);
- flags &= ~Modifier.SYNCHRONIZED;
- String flagString = flagString(flags, klass);
- if (!flagsSync) {
- if (flagString.length() > 0) {
- flagString += " ";
- }
- flagString += "!synchronized";
+
+ AccessFlags af = new AccessFlags(c.access_flags.flags);
+ klass.setAttr("flags", flagString(af, klass));
+ if (!"java/lang/Object".equals(thisk)) {
+ klass.setAttr("super", c.getSuperclassName());
+ }
+ for (int i : c.interfaces) {
+ klass.add(new Element("Interface", "name", getCpString(i)));
}
- klass.setAttr("flags", flagString);
- klass.setAttr("super", superk);
- for (int len = u2(), i = 0; i < len; i++) {
- String interk = cpRef();
- klass.add(new Element("Interface", "name", interk));
+ readFields(c, klass);
+ readMethods(c, klass);
+ readAttributesFor(c, c.attributes, klass);
+ klass.trimToSize();
+ }
+
+ private void readFields(ClassFile c, Element klass) throws IOException {
+ int len = c.fields.length;
+ Element fields = new Element(len);
+ for (Field f : c.fields) {
+ Element field = new Element("Field");
+ field.setAttr("name", getCpString(f.name_index));
+ field.setAttr("type", getCpString(f.descriptor.index));
+ field.setAttr("flags", flagString(f.access_flags.flags, field));
+ readAttributesFor(c, f.attributes, field);
+
+ field.trimToSize();
+ fields.add(field);
}
- Element fields = readMembers("Field");
+ if (!keepOrder) {
+ fields.sort();
+ }
klass.addAll(fields);
- Element methods = readMembers("Method");
+ }
+
+
+ private void readMethods(ClassFile c, Element klass) throws IOException {
+ int len = c.methods.length;
+ Element methods = new Element(len);
+ for (Method m : c.methods) {
+ Element member = new Element("Method");
+ member.setAttr("name", getCpString(m.name_index));
+ member.setAttr("type", getCpString(m.descriptor.index));
+ member.setAttr("flags", flagString(m.access_flags.flags, member));
+ readAttributesFor(c, m.attributes, member);
+
+ member.trimToSize();
+ methods.add(member);
+ }
if (!keepOrder) {
methods.sort();
}
klass.addAll(methods);
- readAttributesFor(klass);
- klass.trimToSize();
- if (keepSizes) {
- attachTo(cfile, formatAttrSizes());
- }
- if (paddingSize != 0) {
- cfile.setAttr("padding", "" + paddingSize);
- }
}
- private Element readMembers(String kind) throws IOException {
- int len = u2();
- Element members = new Element(len);
- for (int i = 0; i < len; i++) {
- Element member = new Element(kind);
- int flags = u2();
- String name = cpRef();
- String type = cpRef();
- member.setAttr("name", name);
- member.setAttr("type", type);
- member.setAttr("flags", flagString(flags, member));
- readAttributesFor(member);
- member.trimToSize();
- members.add(member);
+ private AccessFlags.Kind getKind(Element e) {
+ switch(e.getName()) {
+ case "Class":
+ return AccessFlags.Kind.Class;
+ case "InnerClass":
+ return AccessFlags.Kind.InnerClass;
+ case "Field":
+ return AccessFlags.Kind.Field ;
+ case "Method":
+ return AccessFlags.Kind.Method;
+ default: throw new RuntimeException("should not reach here");
}
- return members;
}
protected String flagString(int flags, Element holder) {
- // Superset of Modifier.toString.
- int kind = 0;
- if (holder.getName() == "Field") {
- kind = 1;
- }
- if (holder.getName() == "Method") {
- kind = 2;
+ return flagString(new AccessFlags(flags), holder);
+ }
+ protected String flagString(AccessFlags af, Element holder) {
+ return flagString(af, holder.getName());
+ }
+ protected String flagString(int flags, String kind) {
+ return flagString(new AccessFlags(flags), kind);
+ }
+ protected String flagString(AccessFlags af, String kind) {
+ Set<String> mods = null;
+ switch (kind) {
+ case "Class":
+ mods = af.getClassFlags();
+ break;
+ case "InnerClass":
+ mods = af.getInnerClassFlags();
+ break;
+ case "Field":
+ mods = af.getFieldFlags();
+ break;
+ case "Method":
+ mods = af.getMethodFlags();
+ break;
+ default:
+ throw new RuntimeException("should not reach here");
}
- StringBuffer sb = new StringBuffer();
- for (int i = 0; flags != 0; i++, flags >>>= 1) {
- if ((flags & 1) != 0) {
- if (sb.length() > 0) {
- sb.append(' ');
- }
- if (i < modifierNames.length) {
- String[] names = modifierNames[i];
- String name = (kind < names.length) ? names[kind] : null;
- for (String name2 : names) {
- if (name != null) {
- break;
- }
- name = name2;
- }
- sb.append(name);
- } else {
- sb.append("#").append(1 << i);
- }
- }
+ StringBuilder sb = new StringBuilder();
+ for (String x : mods) {
+ sb.append(x.substring(x.indexOf('_') + 1).toLowerCase()).append(" ");
}
- return sb.toString();
+ return sb.toString().trim();
}
- private void readAttributesFor(Element x) throws IOException {
- Element prevCurrent;
- Element y = new Element();
- if (x.getName() == "Code") {
- prevCurrent = currentCode;
- currentCode = x;
- } else {
- prevCurrent = currentMember;
- currentMember = x;
- }
- for (int len = u2(), i = 0; i < len; i++) {
- int ref = u2();
- String uname = cpName(ref).intern();
- String refName = uname;
- if (!resolveRefs) {
- refName = (REF_PREFIX + ref).intern();
- }
- String qname = (x.getName() + "." + uname).intern();
- String wname = ("*." + uname).intern();
- String type = attrTypes.get(qname);
- if (type == null || "".equals(type)) {
- type = attrTypes.get(wname);
- }
- if ("".equals(type)) {
- type = null;
- }
- int size = u4();
- int[] countVar = attrSizes.get(qname);
- if (countVar == null) {
- attrSizes.put(qname, countVar = new int[2]);
- }
- countVar[0] += 1;
- countVar[1] += size;
- buf.reset();
- for (int j = 0; j < size; j++) {
- buf.write(u1());
- }
- if (type == null && size == 0) {
- y.add(new Element(uname)); // <Bridge>, etc.
- } else if (type == null) {
- //System.out.println("Warning: No attribute type description: "+qname);
- // write cdata attribute
- Element a = new Element("Attribute",
- new String[]{"Name", refName},
- buf.toString(EIGHT_BIT_CHAR_ENCODING));
- a.addContent(getCPDigest());
- y.add(a);
- } else if (type.equals("")) {
- // ignore this attribute...
- } else {
- InputStream in0 = in;
- int fileSize0 = fileSize;
- ByteArrayInputStream in1 = new ByteArrayInputStream(buf.toByteArray());
- boolean ok = false;
- try {
- in = in1;
- // parse according to type desc.
- Element aval;
- if (type.equals("<Code>...")) {
- // delve into Code attribute
- aval = readCode();
- } else if (type.equals("<Frame>...")) {
- // delve into StackMap attribute
- aval = readStackMap(false);
- } else if (type.equals("<FrameX>...")) {
- // delve into StackMap attribute
- aval = readStackMap(true);
- } else if (type.startsWith("[")) {
- aval = readAttributeCallables(type);
- } else {
- aval = readAttribute(type);
- }
- //System.out.println("attachTo 1 "+y+" <- "+aval);
- attachTo(y, aval);
- if (false
- && in1.available() != 0) {
- throw new RuntimeException("extra bytes in " + qname + " :" + in1.available());
- }
- ok = true;
- } finally {
- in = in0;
- fileSize = fileSize0;
- if (!ok) {
- System.out.println("*** Failed to read " + type);
- }
- }
- }
- }
- if (x.getName() == "Code") {
- currentCode = prevCurrent;
- } else {
- currentMember = prevCurrent;
+
+ protected void readAttributesFor(ClassFile c, Attributes attrs, Element x) {
+ Element container = new Element();
+ AttributeVisitor av = new AttributeVisitor(this, c);
+ for (Attribute a : attrs) {
+ av.visit(a, container);
}
if (!keepOrder) {
- y.sort();
- y.sortAttrs();
+ container.sort();
}
- //System.out.println("attachTo 2 "+x+" <- "+y);
- attachTo(x, y);
+ x.addAll(container);
}
- private int fileSize = 0;
- private int paddingSize = 0;
- private HashMap<String, int[]> attrSizes = new HashMap<String, int[]>();
- private Element formatAttrSizes() {
- Element e = new Element("Sizes");
- e.setAttr("fileSize", "" + fileSize);
- for (Map.Entry<String, int[]> ie : attrSizes.entrySet()) {
- int[] countVar = ie.getValue();
- e.add(new Element("AttrSize",
- "name", ie.getKey().toString(),
- "count", "" + countVar[0],
- "size", "" + countVar[1]));
- }
- return e;
- }
+ private int fileSize = 0;
+ private HashMap<String, int[]> attrSizes = new HashMap<>();
private void attachTo(Element x, Object aval0) {
if (aval0 == null) {
return;
}
- //System.out.println("attachTo "+x+" : "+aval0);
if (!(aval0 instanceof Element)) {
x.add(aval0);
return;
@@ -589,7 +512,6 @@
}
private void attachAttrTo(Element x, String aname, String aval) {
- //System.out.println("attachAttrTo "+x+" : "+aname+"="+aval);
String aval0 = x.getAttr(aname);
if (aval0 != null) {
aval = aval0 + " " + aval;
@@ -597,407 +519,1003 @@
x.setAttr(aname, aval);
}
- private Element readAttributeCallables(String type) throws IOException {
- assert (callables == null);
- callables = getBodies(type);
- Element res = readAttribute(callables[0]);
- callables = null;
- return res;
- }
-
- private Element readAttribute(String type) throws IOException {
- //System.out.println("readAttribute "+type);
- Element aval = new Element();
- String nextAttrName = null;
- for (int len = type.length(), next, i = 0; i < len; i = next) {
- String value;
- switch (type.charAt(i)) {
- case '<':
- assert (nextAttrName == null);
- next = type.indexOf('>', ++i);
- String form = type.substring(i, next++);
- if (form.indexOf('=') < 0) {
- // elem_placement = '<' elemname '>'
- assert (aval.attrSize() == 0);
- assert (aval.isAnonymous());
- aval.setName(form.intern());
- } else {
- // attr_placement = '<' attrname '=' (value)? '>'
- int eqPos = form.indexOf('=');
- nextAttrName = form.substring(0, eqPos).intern();
- if (eqPos != form.length() - 1) {
- value = form.substring(eqPos + 1);
- attachAttrTo(aval, nextAttrName, value);
- nextAttrName = null;
- }
- // ...else subsequent type parsing will find the attr value
- // and add it as "nextAttrName".
- }
- continue;
- case '(':
- next = type.indexOf(')', ++i);
- int callee = Integer.parseInt(type.substring(i, next++));
- attachTo(aval, readAttribute(callables[callee]));
- continue;
- case 'N': // replication = 'N' int '[' type ... ']'
- {
- int count = getInt(type.charAt(i + 1), false);
- assert (count >= 0);
- next = i + 2;
- String type1 = getBody(type, next);
- next += type1.length() + 2; // skip body and brackets
- for (int j = 0; j < count; j++) {
- attachTo(aval, readAttribute(type1));
- }
- }
- continue;
- case 'T': // union = 'T' any_int union_case* '(' ')' '[' body ']'
- int tagValue;
- if (type.charAt(++i) == 'S') {
- tagValue = getInt(type.charAt(++i), true);
- } else {
- tagValue = getInt(type.charAt(i), false);
- }
- attachAttrTo(aval, "tag", "" + tagValue); // always named "tag"
- ++i; // skip the int type char
- // union_case = '(' uc_tag (',' uc_tag)* ')' '[' body ']'
- // uc_tag = ('-')? digit+
- for (boolean foundCase = false;; i = next) {
- assert (type.charAt(i) == '(');
- next = type.indexOf(')', ++i);
- assert (next >= i);
- if (type.charAt(next - 1) == '\\'
- && type.charAt(next - 2) != '\\') // Skip an escaped paren.
- {
- next = type.indexOf(')', next + 1);
- }
- String caseStr = type.substring(i, next++);
- String type1 = getBody(type, next);
- next += type1.length() + 2; // skip body and brackets
- boolean lastCase = (caseStr.length() == 0);
- if (!foundCase
- && (lastCase || matchTag(tagValue, caseStr))) {
- foundCase = true;
- // Execute this body.
- attachTo(aval, readAttribute(type1));
- }
- if (lastCase) {
- break;
- }
- }
- continue;
- case 'B':
- case 'H':
- case 'I': // int = oneof "BHI"
- next = i + 1;
- value = "" + getInt(type.charAt(i), false);
- break;
- case 'K':
- assert ("IJFDLQ".indexOf(type.charAt(i + 1)) >= 0);
- assert (type.charAt(i + 2) == 'H'); // only H works for now
- next = i + 3;
- value = cpRef();
- break;
- case 'R':
- assert ("CSDFMIU?".indexOf(type.charAt(i + 1)) >= 0);
- assert (type.charAt(i + 2) == 'H'); // only H works for now
- next = i + 3;
- value = cpRef();
- break;
- case 'P': // bci = 'P' int
- next = i + 2;
- value = "" + getInt(type.charAt(i + 1), false);
- break;
- case 'S': // signed_int = 'S' int
- next = i + 2;
- value = "" + getInt(type.charAt(i + 1), true);
- break;
- case 'F':
- next = i + 2;
- value = flagString(getInt(type.charAt(i + 1), false), currentMember);
- break;
- default:
- throw new RuntimeException("bad attr format '" + type.charAt(i) + "': " + type);
- }
- // store the value
- if (nextAttrName != null) {
- attachAttrTo(aval, nextAttrName, value);
- nextAttrName = null;
- } else {
- attachTo(aval, value);
- }
- }
- //System.out.println("readAttribute => "+aval);
- assert (nextAttrName == null);
- return aval;
- }
-
- private int getInt(char ch, boolean signed) throws IOException {
- if (signed) {
- switch (ch) {
- case 'B':
- return (byte) u1();
- case 'H':
- return (short) u2();
- case 'I':
- return (int) u4();
- }
- } else {
- switch (ch) {
- case 'B':
- return u1();
- case 'H':
- return u2();
- case 'I':
- return u4();
+ private void readCP(ClassFile c) throws IOException {
+ cpool = new Element("ConstantPool", c.constant_pool.size());
+ ConstantPoolVisitor cpv = new ConstantPoolVisitor(cpool, c,
+ c.constant_pool.size());
+ for (int i = 1 ; i < c.constant_pool.size() ; i++) {
+ try {
+ cpv.visit(c.constant_pool.get(i), i);
+ } catch (InvalidIndex ex) {
+ // can happen periodically when accessing doubles etc. ignore it
+ // ex.printStackTrace();
}
}
- assert ("BHIJ".indexOf(ch) >= 0);
- return 0;
- }
-
- private Element readCode() throws IOException {
- int stack = u2();
- int local = u2();
- int length = u4();
- StringBuilder sb = new StringBuilder(length);
- for (int i = 0; i < length; i++) {
- sb.append((char) u1());
- }
- String bytecodes = sb.toString();
- Element e = new Element("Code",
- "stack", "" + stack,
- "local", "" + local);
- Element bytes = new Element("Bytes", (String[]) null, bytecodes);
- if (keepBytes) {
- e.add(bytes);
- }
- if (parseBytes) {
- e.add(parseByteCodes(bytecodes));
- }
- for (int len = u2(), i = 0; i < len; i++) {
- int start = u2();
- int end = u2();
- int catsh = u2();
- String clasz = cpRef();
- e.add(new Element("Handler",
- "start", "" + start,
- "end", "" + end,
- "catch", "" + catsh,
- "class", clasz));
- }
- readAttributesFor(e);
- e.trimToSize();
- return e;
- }
-
- private Element parseByteCodes(String bytecodes) {
- Element e = InstructionSyntax.parse(bytecodes);
- for (Element ins : e.elements()) {
- Number ref = ins.getAttrNumber("ref");
- if (ref != null && resolveRefs) {
- int id = ref.intValue();
- String val = cpName(id);
- if (ins.getName().startsWith("ldc")) {
- // Yuck: Arb. string cannot be an XML attribute.
- ins.add(val);
- val = "";
- byte tag = (id >= 0 && id < cpTag.length) ? cpTag[id] : 0;
- if (tag != 0) {
- ins.setAttrLong("tag", tag);
- }
- }
- if (ins.getName() == "invokeinterface"
- && computeInterfaceNum(val) == ins.getAttrLong("num")) {
- ins.setAttr("num", null); // garbage bytes
- }
- ins.setAttr("ref", null);
- ins.setAttr("val", val);
- }
- }
- return e;
- }
-
- private Element readStackMap(boolean hasXOption) throws IOException {
- Element result = new Element();
- Element bytes = currentCode.findElement("Bytes");
- assert (bytes != null && bytes.size() == 1);
- int byteLength = ((String) bytes.get(0)).length();
- boolean uoffsetIsU4 = (byteLength >= (1 << 16));
- boolean ulocalvarIsU4 = currentCode.getAttrLong("local") >= (1 << 16);
- boolean ustackIsU4 = currentCode.getAttrLong("stack") >= (1 << 16);
- if (hasXOption || uoffsetIsU4 || ulocalvarIsU4 || ustackIsU4) {
- Element flags = new Element("StackMapFlags");
- if (hasXOption) {
- flags.setAttr("hasXOption", "true");
- }
- if (uoffsetIsU4) {
- flags.setAttr("uoffsetIsU4", "true");
- }
- if (ulocalvarIsU4) {
- flags.setAttr("ulocalvarIsU4", "true");
- }
- if (ustackIsU4) {
- flags.setAttr("ustackIsU4", "true");
- }
- currentCode.add(flags);
- }
- int frame_count = (uoffsetIsU4 ? u4() : u2());
- for (int i = 0; i < frame_count; i++) {
- int bci = (uoffsetIsU4 ? u4() : u2());
- int flags = (hasXOption ? u1() : 0);
- Element frame = new Element("Frame");
- result.add(frame);
- if (flags != 0) {
- frame.setAttr("flags", "" + flags);
+ thePool = cpv.getPoolList();
+ if (verbose) {
+ for (int i = 0; i < thePool.size(); i++) {
+ System.out.println("[" + i + "]: " + thePool.get(i));
}
- frame.setAttr("bci", "" + bci);
- // Scan local and stack types in this frame:
- final int LOCALS = 0, STACK = 1;
- for (int j = LOCALS; j <= STACK; j++) {
- int typeSize;
- if (j == LOCALS) {
- typeSize = (ulocalvarIsU4 ? u4() : u2());
- } else { // STACK
- typeSize = (ustackIsU4 ? u4() : u2());
- }
- Element types = new Element(j == LOCALS ? "Local" : "Stack");
- for (int k = 0; k < typeSize; k++) {
- int tag = u1();
- Element type = new Element(itemTagName(tag));
- types.add(type);
- switch (tag) {
- case ITEM_Object:
- type.setAttr("class", cpRef());
- break;
- case ITEM_Uninitialized:
- case ITEM_ReturnAddress:
- type.setAttr("bci", "" + (uoffsetIsU4 ? u4() : u2()));
- break;
- }
- }
- if (types.size() > 0) {
- frame.add(types);
- }
- }
- }
- return result;
- }
-
- private void readCP() throws IOException {
- int cpLen = u2();
- cpTag = new byte[cpLen];
- cpName = new String[cpLen];
- int cpTem[][] = new int[cpLen][];
- for (int i = 1; i < cpLen; i++) {
- cpTag[i] = (byte) u1();
- switch (cpTag[i]) {
- case CONSTANT_Utf8:
- buf.reset();
- for (int len = u2(), j = 0; j < len; j++) {
- buf.write(u1());
- }
- cpName[i] = buf.toString(UTF8_ENCODING);
- break;
- case CONSTANT_Integer:
- cpName[i] = String.valueOf((int) u4());
- break;
- case CONSTANT_Float:
- cpName[i] = String.valueOf(Float.intBitsToFloat(u4()));
- break;
- case CONSTANT_Long:
- cpName[i] = String.valueOf(u8());
- i += 1;
- break;
- case CONSTANT_Double:
- cpName[i] = String.valueOf(Double.longBitsToDouble(u8()));
- i += 1;
- break;
- case CONSTANT_Class:
- case CONSTANT_String:
- cpTem[i] = new int[]{u2()};
- break;
- case CONSTANT_Fieldref:
- case CONSTANT_Methodref:
- case CONSTANT_InterfaceMethodref:
- case CONSTANT_NameAndType:
- cpTem[i] = new int[]{u2(), u2()};
- break;
- }
- }
- for (int i = 1; i < cpLen; i++) {
- switch (cpTag[i]) {
- case CONSTANT_Class:
- case CONSTANT_String:
- cpName[i] = cpName[cpTem[i][0]];
- break;
- case CONSTANT_NameAndType:
- cpName[i] = cpName[cpTem[i][0]] + " " + cpName[cpTem[i][1]];
- break;
- }
- }
- // do fieldref et al after nameandtype are all resolved
- for (int i = 1; i < cpLen; i++) {
- switch (cpTag[i]) {
- case CONSTANT_Fieldref:
- case CONSTANT_Methodref:
- case CONSTANT_InterfaceMethodref:
- cpName[i] = cpName[cpTem[i][0]] + " " + cpName[cpTem[i][1]];
- break;
- }
- }
- cpool = new Element("ConstantPool", cpName.length);
- for (int i = 0; i < cpName.length; i++) {
- if (cpName[i] == null) {
- continue;
- }
- cpool.add(new Element(cpTagName(cpTag[i]),
- new String[]{"id", "" + i},
- cpName[i]));
}
if (keepCP) {
cfile.add(cpool);
}
}
+}
- private String cpRef() throws IOException {
- int ref = u2();
- if (resolveRefs) {
- return cpName(ref);
- } else {
- return REF_PREFIX + ref;
+class ConstantPoolVisitor implements ConstantPool.Visitor<String, Integer> {
+ final List<String> slist;
+ final Element xpool;
+ final ClassFile cf;
+ final ConstantPool cfpool;
+ final List<String> bsmlist;
+
+
+ public ConstantPoolVisitor(Element xpool, ClassFile cf, int size) {
+ slist = new ArrayList<>(size);
+ for (int i = 0 ; i < size; i++) {
+ slist.add(null);
+ }
+ this.xpool = xpool;
+ this.cf = cf;
+ this.cfpool = cf.constant_pool;
+ bsmlist = readBSM();
+ }
+
+ public List<String> getPoolList() {
+ return Collections.unmodifiableList(slist);
+ }
+
+ public List<String> getBSMList() {
+ return Collections.unmodifiableList(bsmlist);
+ }
+
+ public String visit(CPInfo c, int index) {
+ return c.accept(this, index);
+ }
+
+ private List<String> readBSM() {
+ BootstrapMethods_attribute bsmAttr =
+ (BootstrapMethods_attribute) cf.getAttribute(Attribute.BootstrapMethods);
+ if (bsmAttr != null) {
+ List<String> out =
+ new ArrayList<>(bsmAttr.bootstrap_method_specifiers.length);
+ for (BootstrapMethods_attribute.BootstrapMethodSpecifier bsms :
+ bsmAttr.bootstrap_method_specifiers) {
+ int index = bsms.bootstrap_method_ref;
+ try {
+ String value = slist.get(index);
+ String bsmStr = value;
+ if (value == null) {
+ value = visit(cfpool.get(index), index);
+ slist.set(index, value);
+ }
+ bsmStr = value;
+ for (int idx : bsms.bootstrap_arguments) {
+ value = slist.get(idx);
+ if (value == null) {
+ value = visit(cfpool.get(idx), idx);
+ slist.set(idx, value);
+ }
+ bsmStr = bsmStr.concat("," + value);
+ }
+ out.add(bsmStr);
+ } catch (InvalidIndex ex) {
+ ex.printStackTrace();
+ }
+ }
+ return out;
}
+ return new ArrayList<>(0);
+ }
+
+ @Override
+ public String visitClass(CONSTANT_Class_info c, Integer p) {
+ String value = slist.get(p);
+ if (value == null) {
+ try {
+ value = visit(cfpool.get(c.name_index), c.name_index);
+ slist.set(p, value);
+ xpool.add(new Element("CONSTANT_Class",
+ new String[]{"id", p.toString()},
+ value));
+ } catch (ConstantPoolException ex) {
+ ex.printStackTrace();
+ }
+ }
+ return value;
+ }
+
+ @Override
+ public String visitDouble(CONSTANT_Double_info c, Integer p) {
+ String value = slist.get(p);
+ if (value == null) {
+ value = Double.toString(c.value);
+ slist.set(p, value);
+ xpool.add(new Element("CONSTANT_Double",
+ new String[]{"id", p.toString()},
+ value));
+ }
+ return value;
+ }
+
+ @Override
+ public String visitFieldref(CONSTANT_Fieldref_info c, Integer p) {
+ String value = slist.get(p);
+ if (value == null) {
+ try {
+ value = visit(cfpool.get(c.class_index), c.class_index);
+ value = value.concat(" " + visit(cfpool.get(c.name_and_type_index),
+ c.name_and_type_index));
+ slist.set(p, value);
+ xpool.add(new Element("CONSTANT_Fieldref",
+ new String[]{"id", p.toString()},
+ value));
+ } catch (ConstantPoolException ex) {
+ ex.printStackTrace();
+ }
+ }
+ return value;
+ }
+
+ @Override
+ public String visitFloat(CONSTANT_Float_info c, Integer p) {
+ String value = slist.get(p);
+ if (value == null) {
+ value = Float.toString(c.value);
+ slist.set(p, value);
+ xpool.add(new Element("CONSTANT_Float",
+ new String[]{"id", p.toString()},
+ value));
+ }
+ return value;
+ }
+
+ @Override
+ public String visitInteger(CONSTANT_Integer_info cnstnt, Integer p) {
+ String value = slist.get(p);
+ if (value == null) {
+ value = Integer.toString(cnstnt.value);
+ slist.set(p, value);
+ xpool.add(new Element("CONSTANT_Integer",
+ new String[]{"id", p.toString()},
+ value));
+ }
+ return value;
}
- private String cpName(int id) {
- if (id >= 0 && id < cpName.length) {
- return cpName[id];
- } else {
- return "[CP#" + Integer.toHexString(id) + "]";
+ @Override
+ public String visitInterfaceMethodref(CONSTANT_InterfaceMethodref_info c,
+ Integer p) {
+ String value = slist.get(p);
+ if (value == null) {
+ try {
+ value = visit(cfpool.get(c.class_index), c.class_index);
+ value = value.concat(" " +
+ visit(cfpool.get(c.name_and_type_index),
+ c.name_and_type_index));
+ slist.set(p, value);
+ xpool.add(new Element("CONSTANT_InterfaceMethodref",
+ new String[]{"id", p.toString()},
+ value));
+
+ } catch (ConstantPoolException ex) {
+ ex.printStackTrace();
+ }
+ }
+ return value;
+ }
+
+ @Override
+ public String visitInvokeDynamic(CONSTANT_InvokeDynamic_info c, Integer p) {
+ String value = slist.get(p);
+ if (value == null) {
+ try {
+ value = bsmlist.get(c.bootstrap_method_attr_index) + " "
+ + visit(cfpool.get(c.name_and_type_index), c.name_and_type_index);
+ slist.set(p, value);
+ xpool.add(new Element("CONSTANT_InvokeDynamic",
+ new String[]{"id", p.toString()},
+ value));
+
+ } catch (ConstantPoolException ex) {
+ ex.printStackTrace();
+ }
+ }
+ return value;
+ }
+
+ @Override
+ public String visitLong(CONSTANT_Long_info c, Integer p) {
+ String value = slist.get(p);
+ if (value == null) {
+ value = Long.toString(c.value);
+ slist.set(p, value);
+ xpool.add(new Element("CONSTANT_Long",
+ new String[]{"id", p.toString()},
+ value));
+ }
+ return value;
+ }
+
+ @Override
+ public String visitNameAndType(CONSTANT_NameAndType_info c, Integer p) {
+ String value = slist.get(p);
+ if (value == null) {
+ try {
+ value = visit(cfpool.get(c.name_index), c.name_index);
+ value = value.concat(" " +
+ visit(cfpool.get(c.type_index), c.type_index));
+ slist.set(p, value);
+ xpool.add(new Element("CONSTANT_NameAndType",
+ new String[]{"id", p.toString()},
+ value));
+ } catch (InvalidIndex ex) {
+ ex.printStackTrace();
+ }
+ }
+ return value;
+ }
+
+ @Override
+ public String visitMethodref(CONSTANT_Methodref_info c, Integer p) {
+ String value = slist.get(p);
+ if (value == null) {
+ try {
+ value = visit(cfpool.get(c.class_index), c.class_index);
+ value = value.concat(" " +
+ visit(cfpool.get(c.name_and_type_index),
+ c.name_and_type_index));
+ slist.set(p, value);
+ xpool.add(new Element("CONSTANT_Methodref",
+ new String[]{"id", p.toString()},
+ value));
+
+ } catch (ConstantPoolException ex) {
+ ex.printStackTrace();
+ }
+ }
+ return value;
+ }
+
+ @Override
+ public String visitMethodHandle(CONSTANT_MethodHandle_info c, Integer p) {
+ String value = slist.get(p);
+ if (value == null) {
+ try {
+ value = c.reference_kind.name();
+ value = value.concat(" "
+ + visit(cfpool.get(c.reference_index), c.reference_index));
+ slist.set(p, value);
+ xpool.add(new Element("CONSTANT_MethodHandle",
+ new String[]{"id", p.toString()},
+ value));
+
+ } catch (ConstantPoolException ex) {
+ ex.printStackTrace();
+ }
+ }
+ return value;
+ }
+
+ @Override
+ public String visitMethodType(CONSTANT_MethodType_info c, Integer p) {
+ String value = slist.get(p);
+ if (value == null) {
+ try {
+ value = visit(cfpool.get(c.descriptor_index), c.descriptor_index);
+ slist.set(p, value);
+ xpool.add(new Element("CONSTANT_MethodType",
+ new String[]{"id", p.toString()},
+ value));
+ } catch (ConstantPoolException ex) {
+ ex.printStackTrace();
+ }
+ }
+ return value;
+ }
+
+ @Override
+ public String visitString(CONSTANT_String_info c, Integer p) {
+ try {
+
+ String value = slist.get(p);
+ if (value == null) {
+ value = c.getString();
+ slist.set(p, value);
+ xpool.add(new Element("CONSTANT_String",
+ new String[]{"id", p.toString()},
+ value));
+ }
+ return value;
+ } catch (ConstantPoolException ex) {
+ throw new RuntimeException("Fatal error", ex);
}
}
- private long u8() throws IOException {
- return ((long) u4() << 32) + (((long) u4() << 32) >>> 32);
- }
-
- private int u4() throws IOException {
- return (u2() << 16) + u2();
- }
+ @Override
+ public String visitUtf8(CONSTANT_Utf8_info cnstnt, Integer p) {
+ String value = slist.get(p);
+ if (value == null) {
+ value = cnstnt.value;
+ slist.set(p, value);
+ xpool.add(new Element("CONSTANT_Utf8",
+ new String[]{"id", p.toString()},
+ value));
+ }
+ return value;
- private int u2() throws IOException {
- return (u1() << 8) + u1();
- }
-
- private int u1() throws IOException {
- int x = in.read();
- if (x < 0) {
- paddingSize++;
- return 0; // error recovery
- }
- fileSize++;
- assert (x == (x & 0xFF));
- return x;
}
}
+class AttributeVisitor implements Attribute.Visitor<Element, Element> {
+ final ClassFile cf;
+ final ClassReader x;
+ final AnnotationsElementVisitor aev;
+ final InstructionVisitor iv;
+
+ public AttributeVisitor(ClassReader x, ClassFile cf) {
+ this.x = x;
+ this.cf = cf;
+ iv = new InstructionVisitor(x, cf);
+ aev = new AnnotationsElementVisitor(x, cf);
+ }
+
+ public void visit(Attribute a, Element parent) {
+ a.accept(this, parent);
+ }
+
+ @Override
+ public Element visitBootstrapMethods(BootstrapMethods_attribute bm, Element p) {
+ Element e = new Element(x.getCpString(bm.attribute_name_index));
+ for (BootstrapMethods_attribute.BootstrapMethodSpecifier bsm : bm.bootstrap_method_specifiers) {
+ Element be = new Element("BootstrapMethodSpecifier");
+ be.setAttr("ref", x.getCpString(bsm.bootstrap_method_ref));
+ if (bsm.bootstrap_arguments.length > 0) {
+ Element bme = new Element("MethodArguments");
+ for (int index : bsm.bootstrap_arguments) {
+ bme.add(x.getCpString(index));
+ }
+ bme.trimToSize();
+ be.add(bme);
+ }
+ be.trimToSize();
+ e.add(be);
+ }
+ e.trimToSize();
+ if (!x.keepOrder) {
+ e.sort();
+ }
+ p.add(e);
+ return null;
+ }
+
+ @Override
+ public Element visitDefault(DefaultAttribute da, Element p) {
+ Element e = new Element(x.getCpString(da.attribute_name_index));
+ StringBuilder sb = new StringBuilder();
+ for (byte x : da.info) {
+ sb.append("0x").append(Integer.toHexString(x)).append(" ");
+ }
+ e.setAttr("bytes", sb.toString().trim());
+ e.trimToSize();
+ p.add(e);
+ return null;
+ }
+
+ @Override
+ public Element visitAnnotationDefault(AnnotationDefault_attribute ad, Element p) {
+ Element e = new Element(x.getCpString(ad.attribute_name_index));
+ e.setAttr("tag", "" + ad.default_value.tag);
+ Element child = aev.visit(ad.default_value, e);
+ if (child != null) {
+ e.add(child);
+ }
+ e.trimToSize();
+ p.add(e);
+ return null;
+ }
+
+ @Override
+ public Element visitCharacterRangeTable(CharacterRangeTable_attribute crt,
+ Element p) {
+ Element e = new Element(x.getCpString(crt.attribute_name_index));
+ for (CharacterRangeTable_attribute.Entry ce : crt.character_range_table) {
+ e.setAttr("start_pc", "" + ce.start_pc);
+ e.setAttr("end_pc", "" + ce.end_pc);
+ e.setAttr("range_start", "" + ce.character_range_start);
+ e.setAttr("range_end", "" + ce.character_range_end);
+ e.setAttr("flags", x.flagString(ce.flags, "Method"));
+ }
+ e.trimToSize();
+ p.add(e);
+ return null;
+ }
+
+ private Element instructions(Element code, Code_attribute c) {
+ Element ielement = new Element("Instructions");
+ for (Instruction ins : c.getInstructions()) {
+ ielement.add(iv.visit(ins));
+ }
+ ielement.trimToSize();
+ return ielement;
+ }
+
+ @Override
+ public Element visitCode(Code_attribute c, Element p) {
+ Element e = null;
+
+ e = new Element(x.getCpString(c.attribute_name_index),
+ "stack", "" + c.max_stack,
+ "local", "" + c.max_locals);
+
+ e.add(instructions(e, c));
+
+ for (Code_attribute.Exception_data edata : c.exception_table) {
+ e.add(new Element("Handler",
+ "start", "" + edata.start_pc,
+ "end", "" + edata.end_pc,
+ "catch", "" + edata.handler_pc,
+ "class", x.getCpString(edata.catch_type)));
+
+ }
+ this.x.readAttributesFor(cf, c.attributes, e);
+ e.trimToSize();
+ p.add(e);
+ return null;
+ }
+
+ @Override
+ public Element visitCompilationID(CompilationID_attribute cid, Element p) {
+ Element e = new Element(x.getCpString(cid.attribute_name_index),
+ x.getCpString(cid.compilationID_index));
+ p.add(e);
+ return null;
+ }
+
+ @Override
+ public Element visitConstantValue(ConstantValue_attribute cv, Element p) {
+ Element e = new Element(x.getCpString(cv.attribute_name_index));
+ e.add(x.getCpString(cv.constantvalue_index));
+ p.add(e);
+ return null;
+ }
+
+ @Override
+ public Element visitDeprecated(Deprecated_attribute d, Element p) {
+ Element e = new Element(x.getCpString(d.attribute_name_index));
+ p.add(e);
+ return null;
+ }
+
+ @Override
+ public Element visitEnclosingMethod(EnclosingMethod_attribute em, Element p) {
+ Element e = new Element(x.getCpString(em.attribute_name_index));
+ e.setAttr("class", x.getCpString(em.class_index));
+ e.setAttr("desc", x.getCpString(em.method_index));
+ e.trimToSize();
+ p.add(e);
+ return null;
+ }
+
+ @Override
+ public Element visitExceptions(Exceptions_attribute e, Element p) {
+ Element ee = new Element(x.getCpString(e.attribute_name_index));
+ for (int idx : e.exception_index_table) {
+ Element n = new Element("Item");
+ n.setAttr("class", x.getCpString(idx));
+ ee.add(n);
+ }
+ ee.trimToSize();
+ p.add(ee);
+ return null;
+ }
+
+ @Override
+ public Element visitInnerClasses(InnerClasses_attribute ic, Element p) {
+ for (Info info : ic.classes) {
+ Element e = new Element(x.getCpString(ic.attribute_name_index));
+ e.setAttr("class", x.getCpString(info.inner_class_info_index));
+ e.setAttr("outer", x.getCpString(info.outer_class_info_index));
+ e.setAttr("name", x.getCpString(info.inner_name_index));
+ e.setAttr("flags", x.flagString(info.inner_class_access_flags,
+ "InnerClass"));
+ e.trimToSize();
+ p.add(e);
+ }
+ return null;
+ }
+
+ @Override
+ public Element visitLineNumberTable(LineNumberTable_attribute lnt, Element p) {
+ String name = x.getCpString(lnt.attribute_name_index);
+ for (LineNumberTable_attribute.Entry e : lnt.line_number_table) {
+ Element l = new Element(name);
+ l.setAttr("bci", "" + e.start_pc);
+ l.setAttr("line", "" + e.line_number);
+ l.trimToSize();
+ p.add(l);
+ }
+ return null; // already added to parent
+ }
+
+ @Override
+ public Element visitLocalVariableTable(LocalVariableTable_attribute lvt,
+ Element p) {
+ String name = x.getCpString(lvt.attribute_name_index);
+ for (LocalVariableTable_attribute.Entry e : lvt.local_variable_table) {
+ Element l = new Element(name);
+ l.setAttr("bci", "" + e.start_pc);
+ l.setAttr("span", "" + e.length);
+ l.setAttr("name", x.getCpString(e.name_index));
+ l.setAttr("type", x.getCpString(e.descriptor_index));
+ l.setAttr("slot", "" + e.index);
+ l.trimToSize();
+ p.add(l);
+ }
+ return null; // already added to parent
+ }
+
+ @Override
+ public Element visitLocalVariableTypeTable(LocalVariableTypeTable_attribute lvtt,
+ Element p) {
+ String name = x.getCpString(lvtt.attribute_name_index);
+ for (LocalVariableTypeTable_attribute.Entry e : lvtt.local_variable_table) {
+ Element l = new Element(name);
+ l.setAttr("bci", "" + e.start_pc);
+ l.setAttr("span", "" + e.length);
+ l.setAttr("name", x.getCpString(e.name_index));
+ l.setAttr("type", x.getCpString(e.signature_index));
+ l.setAttr("slot", "" + e.index);
+ l.trimToSize();
+ p.add(l);
+ }
+ return null; // already added to parent
+ }
+
+ private void parseAnnotations(Annotation[] ra, Element p) {
+ for (Annotation anno : ra) {
+ Element ea = new Element("Member");
+ ea.setAttr("name", "" + x.getCpString(anno.type_index));
+ for (Annotation.element_value_pair evp : anno.element_value_pairs) {
+ Element evpe = new Element("Element");
+ evpe.setAttr("tag", "" + evp.value.tag);
+ evpe.setAttr("value", x.getCpString(evp.element_name_index));
+ Element child = aev.visit(evp.value, evpe);
+ if (child != null) {
+ evpe.add(child);
+ }
+ ea.add(evpe);
+ }
+ ea.trimToSize();
+ p.add(ea);
+ }
+ }
+
+ @Override
+ public Element visitRuntimeVisibleAnnotations(RuntimeVisibleAnnotations_attribute rva,
+ Element p) {
+ Element e = new Element(x.getCpString(rva.attribute_name_index));
+ parseAnnotations(rva.annotations, e);
+ e.trimToSize();
+ p.add(e);
+ return null;
+ }
+
+ @Override
+ public Element visitRuntimeInvisibleAnnotations(RuntimeInvisibleAnnotations_attribute ria,
+ Element p) {
+ Element e = new Element(x.getCpString(ria.attribute_name_index));
+ parseAnnotations(ria.annotations, e);
+ e.trimToSize();
+ p.add(e);
+ return null;
+ }
+
+ @Override
+ public Element visitRuntimeVisibleParameterAnnotations(RuntimeVisibleParameterAnnotations_attribute rvpa,
+ Element p) {
+ Element e = new Element(x.getCpString(rvpa.attribute_name_index));
+ for (Annotation[] pa : rvpa.parameter_annotations) {
+ parseAnnotations(pa, e);
+ }
+ p.add(e);
+ return null;
+ }
+
+ @Override
+ public Element visitRuntimeInvisibleParameterAnnotations(RuntimeInvisibleParameterAnnotations_attribute ripa,
+ Element p) {
+ Element e = new Element(x.getCpString(ripa.attribute_name_index));
+ for (Annotation[] pa : ripa.parameter_annotations) {
+ parseAnnotations(pa, e);
+ }
+ p.add(e);
+ return null;
+ }
+
+ @Override
+ public Element visitSignature(Signature_attribute s, Element p) {
+ String aname = x.getCpString(s.attribute_name_index);
+ String sname = x.getCpString(s.signature_index);
+ Element se = new Element(aname);
+ se.add(sname);
+ se.trimToSize();
+ p.add(se);
+ return null;
+ }
+
+ @Override
+ public Element visitSourceDebugExtension(SourceDebugExtension_attribute sde,
+ Element p) {
+ String aname = x.getCpString(sde.attribute_name_index);
+ Element se = new Element(aname);
+ se.setAttr("val", sde.getValue());
+ se.trimToSize();
+ p.add(se);
+ return null;
+ }
+
+ @Override
+ public Element visitSourceFile(SourceFile_attribute sf, Element p) {
+ String aname = x.getCpString(sf.attribute_name_index);
+ String sname = x.getCpString(sf.sourcefile_index);
+ Element se = new Element(aname);
+ se.add(sname);
+ se.trimToSize();
+ p.add(se);
+ return null;
+ }
+
+ @Override
+ public Element visitSourceID(SourceID_attribute sid, Element p) {
+ Element e = new Element(x.getCpString(sid.attribute_name_index));
+ e.add(x.getCpString(sid.sourceID_index));
+ e.trimToSize();
+ p.add(e);
+ return null;
+ }
+
+ @Override
+ public Element visitStackMap(StackMap_attribute sm, Element p) {
+ throw new UnsupportedOperationException("Not supported yet.");
+ }
+
+ @Override
+ public Element visitStackMapTable(StackMapTable_attribute smt, Element p) {
+ Element stackmap = new Element(x.getCpString(smt.attribute_name_index));
+ for (StackMapTable_attribute.stack_map_frame f : smt.entries) {
+ StackMapVisitor smv = new StackMapVisitor(x, cf, stackmap);
+ stackmap.add(smv.visit(f));
+ }
+ stackmap.trimToSize();
+ p.add(stackmap);
+ return null;
+ }
+
+ @Override
+ public Element visitSynthetic(Synthetic_attribute s, Element p) {
+ Element e = new Element(x.getCpString(s.attribute_name_index));
+ e.trimToSize();
+ p.add(e);
+ return null;
+ }
+}
+
+class StackMapVisitor implements StackMapTable_attribute.stack_map_frame.Visitor<Element, Void> {
+
+ final ClassFile cf;
+ final ClassReader x;
+ final Element parent;
+
+ public StackMapVisitor(ClassReader x, ClassFile cf, Element parent) {
+ this.x = x;
+ this.cf = cf;
+ this.parent = parent;
+ }
+
+ public Element visit(StackMapTable_attribute.stack_map_frame frame) {
+ return frame.accept(this, null);
+ }
+
+ @Override
+ public Element visit_same_frame(same_frame sm_frm, Void p) {
+ Element e = new Element("SameFrame");
+ e.setAttr("tag", "" + sm_frm.frame_type);
+ return e;
+ }
+
+ @Override
+ public Element visit_same_locals_1_stack_item_frame(same_locals_1_stack_item_frame s, Void p) {
+ Element e = new Element("SameLocals1StackItemFrame");
+ e.setAttr("tag", "" + s.frame_type);
+ e.addAll(getVerificationTypeInfo("Stack", s.stack));
+ e.trimToSize();
+ return e;
+ }
+
+ @Override
+ public Element visit_same_locals_1_stack_item_frame_extended(same_locals_1_stack_item_frame_extended s, Void p) {
+ Element e = new Element("SameLocals1StackItemFrameExtended");
+ e.setAttr("tag", "" + s.frame_type);
+ e.addAll(getVerificationTypeInfo("Stack", s.stack));
+ e.trimToSize();
+ return e;
+ }
+
+ @Override
+ public Element visit_chop_frame(chop_frame c, Void p) {
+ Element e = new Element("Chop" + (251 - c.frame_type));
+ e.setAttr("tag", "" + c.frame_type);
+ e.setAttr("offset", "" + c.offset_delta);
+ return e;
+ }
+
+ @Override
+ public Element visit_same_frame_extended(same_frame_extended s, Void p) {
+ Element e = new Element("SameFrameExtended");
+ e.setAttr("tag", "" + s.frame_type);
+ e.setAttr("offset", "" + s.offset_delta);
+ return e;
+ }
+
+ @Override
+ public Element visit_append_frame(append_frame a, Void p) {
+ Element e = new Element("AppendFrame" + (a.frame_type - 251));
+ e.setAttr("tag", "" + a.frame_type);
+ e.addAll(getVerificationTypeInfo("Local", a.locals));
+ e.trimToSize();
+ return e;
+ }
+
+ @Override
+ public Element visit_full_frame(full_frame fl_frm, Void p) {
+ Element e = new Element("FullFrame");
+ e.setAttr("tag", "" + fl_frm.frame_type);
+ e.addAll(getVerificationTypeInfo("Local", fl_frm.locals));
+ e.trimToSize();
+ return e;
+ }
+
+ private Element getVerificationTypeInfo(String kind,
+ StackMapTable_attribute.verification_type_info velems[]) {
+ Element container = new Element(velems.length);
+ for (StackMapTable_attribute.verification_type_info v : velems) {
+ Element ve = null;
+ int offset = 0;
+ int index = 0;
+ switch (v.tag) {
+ case StackMapTable_attribute.verification_type_info.ITEM_Top:
+ ve = new Element("ITEM_Top");
+ break;
+ case StackMapTable_attribute.verification_type_info.ITEM_Integer:
+ ve = new Element("ITEM_Integer");
+ break;
+ case StackMapTable_attribute.verification_type_info.ITEM_Float:
+ ve = new Element("ITEM_Float");
+ break;
+ case StackMapTable_attribute.verification_type_info.ITEM_Long:
+ ve = new Element("ITEM_Long");
+ break;
+ case StackMapTable_attribute.verification_type_info.ITEM_Double:
+ ve = new Element("ITEM_Double");
+ break;
+ case StackMapTable_attribute.verification_type_info.ITEM_Null:
+ ve = new Element("ITEM_Null");
+ break;
+ case StackMapTable_attribute.verification_type_info.ITEM_Uninitialized:
+ ve = new Element("ITEM_Uninitialized");
+ offset = ((StackMapTable_attribute.Uninitialized_variable_info) v).offset;
+ ve.setAttr("offset", "" + offset);
+ break;
+ case StackMapTable_attribute.verification_type_info.ITEM_UninitializedThis:
+ ve = new Element("ITEM_UnitializedtThis");
+ break;
+ case StackMapTable_attribute.verification_type_info.ITEM_Object:
+ ve = new Element("ITEM_Object");
+ index = ((StackMapTable_attribute.Object_variable_info) v).cpool_index;
+ ve.setAttr("class", x.getCpString(index));
+ break;
+ default:
+ ve = new Element("Unknown");
+ }
+ Element kindE = new Element(kind);
+ kindE.setAttr("tag", "" + v.tag);
+ container.add(kindE);
+ kindE.add(ve);
+ }
+ container.trimToSize();
+ return container;
+ }
+}
+
+class InstructionVisitor implements Instruction.KindVisitor<Element, Void> {
+
+ final ClassReader x;
+ final ClassFile cf;
+
+ public InstructionVisitor(ClassReader x, ClassFile cf) {
+ this.x = x;
+ this.cf = cf;
+ }
+
+ public Element visit(Instruction i) {
+ Element ie = i.accept(this, null);
+ ie.trimToSize();
+ return ie;
+ }
+
+ @Override
+ public Element visitNoOperands(Instruction i, Void p) {
+ Opcode o = i.getOpcode();
+ Element e = new Element(i.getMnemonic());
+ if (o.opcode > 0xab && o.opcode <= 0xb1) {
+ e.setAttr("pc", "" + i.getPC());
+ }
+ return e;
+ }
+
+ @Override
+ public Element visitArrayType(Instruction i, TypeKind tk, Void p) {
+ Element ie = new Element(i.getMnemonic());
+ ie.setAttr("num", "" + tk.value);
+ ie.setAttr("val", tk.name);
+ return ie;
+ }
+
+ @Override
+ public Element visitBranch(Instruction i, int i1, Void p) {
+ Element ie = new Element(i.getMnemonic());
+ ie.setAttr("lab", "" + (i.getPC() + i1));
+ return ie;
+ }
+
+ @Override
+ public Element visitConstantPoolRef(Instruction i, int i1, Void p) {
+ Element ie = new Element(i.getMnemonic());
+ ie.setAttr("ref", x.getCpString(i1));
+ return ie;
+ }
+
+ @Override
+ public Element visitConstantPoolRefAndValue(Instruction i, int i1, int i2, Void p) {
+ // workaround for a potential bug in classfile
+ Element ie = new Element(i.getMnemonic());
+ if (i.getOpcode().equals(Opcode.IINC_W)) {
+ ie.setAttr("loc", "" + i1);
+ ie.setAttr("num", "" + i2);
+ } else {
+ ie.setAttr("ref", x.getCpString(i1));
+ ie.setAttr("val", "" + i2);
+ }
+ return ie;
+ }
+
+ @Override
+ public Element visitLocal(Instruction i, int i1, Void p) {
+ Element ie = new Element(i.getMnemonic());
+ ie.setAttr("loc", "" + i1);
+ return ie;
+ }
+
+ @Override
+ public Element visitLocalAndValue(Instruction i, int i1, int i2, Void p) {
+ Element ie = new Element(i.getMnemonic());
+ ie.setAttr("loc", "" + i1);
+ ie.setAttr("num", "" + i2);
+ return ie;
+ }
+
+ @Override
+ public Element visitLookupSwitch(Instruction i, int i1, int i2, int[] ints,
+ int[] ints1, Void p) {
+ Element ie = new Element(i.getMnemonic());
+ int pc = i.getPC();
+ ie.setAttr("lab", "" + (pc + i1));
+ for (int k = 0 ; k < i2 ; k++) {
+ Element c = new Element("Case");
+ c.setAttr("num", "" + (ints[k]));
+ c.setAttr("lab", "" + (pc + ints1[k]));
+ c.trimToSize();
+ ie.add(c);
+ }
+ return ie;
+ }
+
+ @Override
+ public Element visitTableSwitch(Instruction i, int i1, int i2, int i3,
+ int[] ints, Void p) {
+ Element ie = new Element(i.getMnemonic());
+ int pc = i.getPC();
+ ie.setAttr("lab", "" + (pc + i1));
+ for (int k : ints) {
+ Element c = new Element("Case");
+ c.setAttr("num", "" + (k + i2));
+ c.setAttr("lab", "" + (pc + k));
+ c.trimToSize();
+ ie.add(c);
+ }
+ return ie;
+ }
+
+ @Override
+ public Element visitValue(Instruction i, int i1, Void p) {
+ Element ie = new Element(i.getMnemonic());
+ ie.setAttr("num", "" + i1);
+ return ie;
+ }
+
+ @Override
+ public Element visitUnknown(Instruction i, Void p) {
+ Element e = new Element(i.getMnemonic());
+ e.setAttr("pc", "" + i.getPC());
+ e.setAttr("opcode", "" + i.getOpcode().opcode);
+ return e;
+ }
+}
+
+class AnnotationsElementVisitor implements Annotation.element_value.Visitor<Element, Element> {
+ final ClassReader x;
+ final ClassFile cf;
+
+ public AnnotationsElementVisitor(ClassReader x, ClassFile cf) {
+ this.x = x;
+ this.cf = cf;
+ }
+
+ public Element visit(Annotation.element_value v, Element p) {
+ return v.accept(this, p);
+ }
+
+ @Override
+ public Element visitPrimitive(Primitive_element_value e, Element p) {
+ Element el = new Element("String");
+ el.setAttr("val", x.getCpString(e.const_value_index));
+ el.trimToSize();
+ return el;
+ }
+
+ @Override
+ public Element visitEnum(Enum_element_value e, Element p) {
+ Element el = new Element("Enum");
+ el.setAttr("name", x.getCpString(e.const_name_index));
+ el.setAttr("type", x.getCpString(e.type_name_index));
+ el.trimToSize();
+ return el;
+ }
+
+ @Override
+ public Element visitClass(Class_element_value c, Element p) {
+ Element el = new Element("Class");
+ el.setAttr("name", x.getCpString(c.class_info_index));
+ el.trimToSize();
+ return el;
+ }
+
+ @Override
+ public Element visitAnnotation(Annotation_element_value a, Element p) {
+ Element el = new Element("Annotation");
+ Annotation anno = a.annotation_value;
+ for (Annotation.element_value_pair evp : anno.element_value_pairs) {
+ Element child = visit(evp.value, el);
+ if (child != null) {
+ el.add(child);
+ }
+ }
+ el.trimToSize();
+ return el;
+ }
+
+ @Override
+ public Element visitArray(Array_element_value a, Element p) {
+ Element el = new Element("Array");
+ for (Annotation.element_value v : a.values) {
+ Element child = visit(v, el);
+ if (child != null) {
+ el.add(child);
+ }
+ }
+ el.trimToSize();
+ return el;
+ }
+}
--- a/jdk/test/tools/pack200/pack200-verifier/src/xmlkit/ClassSyntax.java Sun Apr 22 19:09:02 2012 +0100
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,518 +0,0 @@
-/*
- * Copyright (c) 2010, Oracle and/or its affiliates. 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
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation. Oracle designates this
- * particular file as subject to the "Classpath" exception as provided
- * by Oracle in the LICENSE file that accompanied this code.
- *
- * 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- */
-package xmlkit; // -*- mode: java; indent-tabs-mode: nil -*-
-import xmlkit.XMLKit.*;
-
-import java.util.*;
-import java.security.MessageDigest;
-import java.nio.ByteBuffer;
-import xmlkit.XMLKit.Element;
-/*
- * @author jrose
- */
-public abstract class ClassSyntax {
-
- public interface GetCPIndex {
-
- int getCPIndex(int tag, String name); // cp finder
- }
- public static final int CONSTANT_Utf8 = 1,
- CONSTANT_Integer = 3,
- CONSTANT_Float = 4,
- CONSTANT_Long = 5,
- CONSTANT_Double = 6,
- CONSTANT_Class = 7,
- CONSTANT_String = 8,
- CONSTANT_Fieldref = 9,
- CONSTANT_Methodref = 10,
- CONSTANT_InterfaceMethodref = 11,
- CONSTANT_NameAndType = 12;
- private static final String[] cpTagName = {
- /* 0: */null,
- /* 1: */ "Utf8",
- /* 2: */ null,
- /* 3: */ "Integer",
- /* 4: */ "Float",
- /* 5: */ "Long",
- /* 6: */ "Double",
- /* 7: */ "Class",
- /* 8: */ "String",
- /* 9: */ "Fieldref",
- /* 10: */ "Methodref",
- /* 11: */ "InterfaceMethodref",
- /* 12: */ "NameAndType",
- null
- };
- private static final Set<String> cpTagNames;
-
- static {
- Set<String> set = new HashSet<String>(Arrays.asList(cpTagName));
- set.remove(null);
- cpTagNames = Collections.unmodifiableSet(set);
- }
- public static final int ITEM_Top = 0, // replicates by [1..4,1..4]
- ITEM_Integer = 1, // (ditto)
- ITEM_Float = 2,
- ITEM_Double = 3,
- ITEM_Long = 4,
- ITEM_Null = 5,
- ITEM_UninitializedThis = 6,
- ITEM_Object = 7,
- ITEM_Uninitialized = 8,
- ITEM_ReturnAddress = 9,
- ITEM_LIMIT = 10;
- private static final String[] itemTagName = {
- "Top",
- "Integer",
- "Float",
- "Double",
- "Long",
- "Null",
- "UninitializedThis",
- "Object",
- "Uninitialized",
- "ReturnAddress",};
- private static final Set<String> itemTagNames;
-
- static {
- Set<String> set = new HashSet<String>(Arrays.asList(itemTagName));
- set.remove(null);
- itemTagNames = Collections.unmodifiableSet(set);
- }
- protected static final HashMap<String, String> attrTypesBacking;
- protected static final Map<String, String> attrTypesInit;
-
- static {
- HashMap<String, String> at = new HashMap<String, String>();
-
- //at.put("*.Deprecated", "<deprecated=true>");
- //at.put("*.Synthetic", "<synthetic=true>");
- ////at.put("Field.ConstantValue", "<constantValue=>KQH");
- //at.put("Class.SourceFile", "<sourceFile=>RUH");
- at.put("Method.Bridge", "<Bridge>");
- at.put("Method.Varargs", "<Varargs>");
- at.put("Class.Enum", "<Enum>");
- at.put("*.Signature", "<Signature>RSH");
- //at.put("*.Deprecated", "<Deprecated>");
- //at.put("*.Synthetic", "<Synthetic>");
- at.put("Field.ConstantValue", "<ConstantValue>KQH");
- at.put("Class.SourceFile", "<SourceFile>RUH");
- at.put("Class.InnerClasses", "NH[<InnerClass><class=>RCH<outer=>RCH<name=>RUH<flags=>FH]");
- at.put("Code.LineNumberTable", "NH[<LineNumber><bci=>PH<line=>H]");
- at.put("Code.LocalVariableTable", "NH[<LocalVariable><bci=>PH<span=>H<name=>RUH<type=>RSH<slot=>H]");
- at.put("Code.LocalVariableTypeTable", "NH[<LocalVariableType><bci=>PH<span=>H<name=>RUH<type=>RSH<slot=>H]");
- at.put("Method.Exceptions", "NH[<Exception><name=>RCH]");
- at.put("Method.Code", "<Code>...");
- at.put("Code.StackMapTable", "<Frame>...");
- //at.put("Code.StkMapX", "<FrameX>...");
- if (true) {
- at.put("Code.StackMapTable",
- "[NH[<Frame>(1)]]"
- + "[TB"
- + "(64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79"
- + ",80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95"
- + ",96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111"
- + ",112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127"
- + ")[<SameLocals1StackItemFrame>(4)]"
- + "(247)[<SameLocals1StackItemExtended>H(4)]"
- + "(248)[<Chop3>H]"
- + "(249)[<Chop2>H]"
- + "(250)[<Chop1>H]"
- + "(251)[<SameFrameExtended>H]"
- + "(252)[<Append1>H(4)]"
- + "(253)[<Append2>H(4)(4)]"
- + "(254)[<Append3>H(4)(4)(4)]"
- + "(255)[<FullFrame>H(2)(3)]"
- + "()[<SameFrame>]]"
- + "[NH[<Local>(4)]]"
- + "[NH[<Stack>(4)]]"
- + "[TB"
- + ("(0)[<Top>]"
- + "(1)[<ItemInteger>](2)[<ItemFloat>](3)[<ItemDouble>](4)[<ItemLong>]"
- + "(5)[<ItemNull>](6)[<ItemUninitializedThis>]"
- + "(7)[<ItemObject><class=>RCH]"
- + "(8)[<ItemUninitialized><bci=>PH]"
- + "()[<ItemUnknown>]]"));
- }
-
- at.put("Class.EnclosingMethod", "<EnclosingMethod><class=>RCH<desc=>RDH");//RDNH
-
- // Layouts of metadata attrs:
- String vpf = "[<RuntimeVisibleAnnotation>";
- String ipf = "[<RuntimeInvisibleAnnotation>";
- String apf = "[<Annotation>";
- String mdanno2 = ""
- + "<type=>RSHNH[<Member><name=>RUH(3)]]"
- + ("[TB"
- + "(\\B,\\C,\\I,\\S,\\Z)[<value=>KIH]"
- + "(\\D)[<value=>KDH]"
- + "(\\F)[<value=>KFH]"
- + "(\\J)[<value=>KJH]"
- + "(\\c)[<class=>RSH]"
- + "(\\e)[<type=>RSH<name=>RUH]"
- + "(\\s)[<String>RUH]"
- + "(\\@)[(2)]"
- + "(\\[)[NH[<Element>(3)]]"
- + "()[]"
- + "]");
- String visanno = "[NH[(2)]][(1)]" + vpf + mdanno2;
- String invanno = "[NH[(2)]][(1)]" + ipf + mdanno2;
- String vparamanno = ""
- + "[NB[<RuntimeVisibleParameterAnnotation>(1)]][NH[(2)]]"
- + apf + mdanno2;
- String iparamanno = ""
- + "[NB[<RuntimeInvisibleParameterAnnotation>(1)]][NH[(2)]]"
- + apf + mdanno2;
- String mdannodef = "[<AnnotationDefault>(3)][(1)]" + apf + mdanno2;
- String[] mdplaces = {"Class", "Field", "Method"};
- for (String place : mdplaces) {
- at.put(place + ".RuntimeVisibleAnnotations", visanno);
- at.put(place + ".RuntimeInvisibleAnnotations", invanno);
- }
- at.put("Method.RuntimeVisibleParameterAnnotations", vparamanno);
- at.put("Method.RuntimeInvisibleParameterAnnotations", iparamanno);
- at.put("Method.AnnotationDefault", mdannodef);
-
- attrTypesBacking = at;
- attrTypesInit = Collections.unmodifiableMap(at);
- }
-
- ;
- private static final String[] jcovAttrTypes = {
- "Code.CoverageTable=NH[<Coverage><bci=>PH<type=>H<line=>I<pos=>I]",
- "Code.CharacterRangeTable=NH[<CharacterRange><bci=>PH<endbci=>POH<from=>I<to=>I<flag=>H]",
- "Class.SourceID=<SourceID><id=>RUH",
- "Class.CompilationID=<CompilationID><id=>RUH"
- };
- protected static final String[][] modifierNames = {
- {"public"},
- {"private"},
- {"protected"},
- {"static"},
- {"final"},
- {"synchronized"},
- {null, "volatile", "bridge"},
- {null, "transient", "varargs"},
- {null, null, "native"},
- {"interface"},
- {"abstract"},
- {"strictfp"},
- {"synthetic"},
- {"annotation"},
- {"enum"},};
- protected static final String EIGHT_BIT_CHAR_ENCODING = "ISO8859_1";
- protected static final String UTF8_ENCODING = "UTF8";
- // What XML tags are used by this syntax, apart from attributes?
- protected static final Set<String> nonAttrTags;
-
- static {
- HashSet<String> tagSet = new HashSet<String>();
- Collections.addAll(tagSet, new String[]{
- "ConstantPool",// the CP
- "Class", // the class
- "Interface", // implemented interfaces
- "Method", // methods
- "Field", // fields
- "Handler", // exception handler pseudo-attribute
- "Attribute", // unparsed attribute
- "Bytes", // bytecodes
- "Instructions" // bytecodes, parsed
- });
- nonAttrTags = Collections.unmodifiableSet(tagSet);
- }
-
- // Accessors.
- public static Set<String> nonAttrTags() {
- return nonAttrTags;
- }
-
- public static String cpTagName(int t) {
- t &= 0xFF;
- String ts = null;
- if (t < cpTagName.length) {
- ts = cpTagName[t];
- }
- if (ts != null) {
- return ts;
- }
- return ("UnknownTag" + (int) t).intern();
- }
-
- public static int cpTagValue(String name) {
- for (int t = 0; t < cpTagName.length; t++) {
- if (name.equals(cpTagName[t])) {
- return t;
- }
- }
- return 0;
- }
-
- public static String itemTagName(int t) {
- t &= 0xFF;
- String ts = null;
- if (t < itemTagName.length) {
- ts = itemTagName[t];
- }
- if (ts != null) {
- return ts;
- }
- return ("UnknownItem" + (int) t).intern();
- }
-
- public static int itemTagValue(String name) {
- for (int t = 0; t < itemTagName.length; t++) {
- if (name.equals(itemTagName[t])) {
- return t;
- }
- }
- return -1;
- }
-
- public void addJcovAttrTypes() {
- addAttrTypes(jcovAttrTypes);
- }
- // Public methods for declaring attribute types.
- protected Map<String, String> attrTypes = attrTypesInit;
-
- public void addAttrType(String opt) {
- int eqpos = opt.indexOf('=');
- addAttrType(opt.substring(0, eqpos), opt.substring(eqpos + 1));
- }
-
- public void addAttrTypes(String[] opts) {
- for (String opt : opts) {
- addAttrType(opt);
- }
- }
-
- private void checkAttr(String attr) {
- if (!attr.startsWith("Class.")
- && !attr.startsWith("Field.")
- && !attr.startsWith("Method.")
- && !attr.startsWith("Code.")
- && !attr.startsWith("*.")) {
- throw new IllegalArgumentException("attr name must start with 'Class.', etc.");
- }
- String uattr = attr.substring(attr.indexOf('.') + 1);
- if (nonAttrTags.contains(uattr)) {
- throw new IllegalArgumentException("attr name must not be one of " + nonAttrTags);
- }
- }
-
- private void checkAttrs(Map<String, String> at) {
- for (String attr : at.keySet()) {
- checkAttr(attr);
- }
- }
-
- private void modAttrs() {
- if (attrTypes == attrTypesInit) {
- // Make modifiable.
- attrTypes = new HashMap<String, String>(attrTypesBacking);
- }
- }
-
- public void addAttrType(String attr, String fmt) {
- checkAttr(attr);
- modAttrs();
- attrTypes.put(attr, fmt);
- }
-
- public void addAttrTypes(Map<String, String> at) {
- checkAttrs(at);
- modAttrs();
- attrTypes.putAll(at);
- }
-
- public Map<String, String> getAttrTypes() {
- if (attrTypes == attrTypesInit) {
- return attrTypes;
- }
- return Collections.unmodifiableMap(attrTypes);
- }
-
- public void setAttrTypes(Map<String, String> at) {
- checkAttrs(at);
- modAttrs();
- attrTypes.keySet().retainAll(at.keySet());
- attrTypes.putAll(at);
- }
-
- // attr format helpers
- protected static boolean matchTag(int tagValue, String caseStr) {
- //System.out.println("matchTag "+tagValue+" in "+caseStr);
- for (int pos = 0, max = caseStr.length(), comma;
- pos < max;
- pos = comma + 1) {
- int caseValue;
- if (caseStr.charAt(pos) == '\\') {
- caseValue = caseStr.charAt(pos + 1);
- comma = pos + 2;
- assert (comma == max || caseStr.charAt(comma) == ',');
- } else {
- comma = caseStr.indexOf(',', pos);
- if (comma < 0) {
- comma = max;
- }
- caseValue = Integer.parseInt(caseStr.substring(pos, comma));
- }
- if (tagValue == caseValue) {
- return true;
- }
- }
- return false;
- }
-
- protected static String[] getBodies(String type) {
- ArrayList<String> bodies = new ArrayList<String>();
- for (int i = 0; i < type.length();) {
- String body = getBody(type, i);
- bodies.add(body);
- i += body.length() + 2; // skip body and brackets
- }
- return bodies.toArray(new String[bodies.size()]);
- }
-
- protected static String getBody(String type, int i) {
- assert (type.charAt(i) == '[');
- int next = ++i; // skip bracket
- for (int depth = 1; depth > 0; next++) {
- switch (type.charAt(next)) {
- case '[':
- depth++;
- break;
- case ']':
- depth--;
- break;
- case '(':
- next = type.indexOf(')', next);
- break;
- case '<':
- next = type.indexOf('>', next);
- break;
- }
- assert (next > 0);
- }
- --next; // get before bracket
- assert (type.charAt(next) == ']');
- return type.substring(i, next);
- }
-
- public Element makeCPDigest(int length) {
- MessageDigest md;
- try {
- md = MessageDigest.getInstance("MD5");
- } catch (java.security.NoSuchAlgorithmException ee) {
- throw new Error(ee);
- }
- int items = 0;
- for (Element e : cpool.elements()) {
- if (items == length) {
- break;
- }
- if (cpTagNames.contains(e.getName())) {
- items += 1;
- md.update((byte) cpTagValue(e.getName()));
- try {
- md.update(e.getText().toString().getBytes(UTF8_ENCODING));
- } catch (java.io.UnsupportedEncodingException ee) {
- throw new Error(ee);
- }
- }
- }
- ByteBuffer bb = ByteBuffer.wrap(md.digest());
- String l0 = Long.toHexString(bb.getLong(0));
- String l1 = Long.toHexString(bb.getLong(8));
- while (l0.length() < 16) {
- l0 = "0" + l0;
- }
- while (l1.length() < 16) {
- l1 = "0" + l1;
- }
- return new Element("Digest",
- "length", "" + items,
- "bytes", l0 + l1);
- }
-
- public Element getCPDigest(int length) {
- if (length == -1) {
- length = cpool.countAll(XMLKit.elementFilter(cpTagNames));
- }
- for (Element md : cpool.findAllElements("Digest").elements()) {
- if (md.getAttrLong("length") == length) {
- return md;
- }
- }
- Element md = makeCPDigest(length);
- cpool.add(md);
- return md;
- }
-
- public Element getCPDigest() {
- return getCPDigest(-1);
- }
-
- public boolean checkCPDigest(Element md) {
- return md.equals(getCPDigest((int) md.getAttrLong("length")));
- }
-
- public static int computeInterfaceNum(String intMethRef) {
- intMethRef = intMethRef.substring(1 + intMethRef.lastIndexOf(' '));
- if (!intMethRef.startsWith("(")) {
- return -1;
- }
- int signum = 1; // start with one for "this"
- scanSig:
- for (int i = 1; i < intMethRef.length(); i++) {
- char ch = intMethRef.charAt(i);
- signum++;
- switch (ch) {
- case ')':
- --signum;
- break scanSig;
- case 'L':
- i = intMethRef.indexOf(';', i);
- break;
- case '[':
- while (ch == '[') {
- ch = intMethRef.charAt(++i);
- }
- if (ch == 'L') {
- i = intMethRef.indexOf(';', i);
- }
- break;
- }
- }
- int num = (signum << 8) | 0;
- //System.out.println("computeInterfaceNum "+intMethRef+" => "+num);
- return num;
- }
- // Protected state for representing the class file.
- protected Element cfile; // <ClassFile ...>
- protected Element cpool; // <ConstantPool ...>
- protected Element klass; // <Class ...>
- protected Element currentMember; // varies during scans
- protected Element currentCode; // varies during scans
-}
--- a/jdk/test/tools/pack200/pack200-verifier/src/xmlkit/ClassWriter.java Sun Apr 22 19:09:02 2012 +0100
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,818 +0,0 @@
-/*
- * Copyright (c) 2010, Oracle and/or its affiliates. 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
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation. Oracle designates this
- * particular file as subject to the "Classpath" exception as provided
- * by Oracle in the LICENSE file that accompanied this code.
- *
- * 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- */
-package xmlkit; // -*- mode: java; indent-tabs-mode: nil -*-
-
-import java.util.*;
-import java.lang.reflect.*;
-import java.io.*;
-import xmlkit.XMLKit.Element;
-/*
- * @author jrose
- */
-public class ClassWriter extends ClassSyntax implements ClassSyntax.GetCPIndex {
-
- private static final CommandLineParser CLP = new CommandLineParser(""
- + "-source: +> = \n"
- + "-dest: +> = \n"
- + "-encoding: +> = \n"
- + "-parseBytes $ \n"
- + "- *? \n"
- + "\n");
-
- public static void main(String[] ava) throws IOException {
- ArrayList<String> av = new ArrayList<String>(Arrays.asList(ava));
- HashMap<String, String> props = new HashMap<String, String>();
- props.put("-encoding:", "UTF8"); // default
- CLP.parse(av, props);
- File source = asFile(props.get("-source:"));
- File dest = asFile(props.get("-dest:"));
- String encoding = props.get("-encoding:");
- boolean parseBytes = props.containsKey("-parseBytes");
- boolean destMade = false;
-
- for (String a : av) {
- File f;
- File inf = new File(source, a);
- System.out.println("Reading " + inf);
- Element e;
- if (inf.getName().endsWith(".class")) {
- ClassReader cr = new ClassReader();
- cr.parseBytes = parseBytes;
- e = cr.readFrom(inf);
- f = new File(a);
- } else if (inf.getName().endsWith(".xml")) {
- InputStream in = new FileInputStream(inf);
- Reader inw = ClassReader.makeReader(in, encoding);
- e = XMLKit.readFrom(inw);
- e.findAllInTree(XMLKit.and(XMLKit.elementFilter(nonAttrTags()),
- XMLKit.methodFilter(Element.method("trimText"))));
- //System.out.println(e);
- inw.close();
- f = new File(a.substring(0, a.length() - ".xml".length()) + ".class");
- } else {
- System.out.println("Warning: unknown input " + a);
- continue;
- }
- // Now write it:
- if (!destMade) {
- destMade = true;
- if (dest == null) {
- dest = File.createTempFile("TestOut", ".dir", new File("."));
- dest.delete();
- System.out.println("Writing results to " + dest);
- }
- if (!(dest.isDirectory() || dest.mkdir())) {
- throw new RuntimeException("Cannot create " + dest);
- }
- }
- File outf = new File(dest, f.isAbsolute() ? f.getName() : f.getPath());
- outf.getParentFile().mkdirs();
- new ClassWriter(e).writeTo(outf);
- }
- }
-
- private static File asFile(String str) {
- return (str == null) ? null : new File(str);
- }
-
- public void writeTo(File file) throws IOException {
- OutputStream out = null;
- try {
- out = new BufferedOutputStream(new FileOutputStream(file));
- writeTo(out);
- } finally {
- if (out != null) {
- out.close();
- }
- }
- }
- protected String[] callables; // varies
- protected int cpoolSize = 0;
- protected HashMap<String, String> attrTypesByTag;
- protected OutputStream out;
- protected HashMap<String, int[]> cpMap = new HashMap<String, int[]>();
- protected ArrayList<ByteArrayOutputStream> attrBufs = new ArrayList<ByteArrayOutputStream>();
-
- private void setupAttrTypes() {
- attrTypesByTag = new HashMap<String, String>();
- for (String key : attrTypes.keySet()) {
- String pfx = key.substring(0, key.indexOf('.') + 1);
- String val = attrTypes.get(key);
- int pos = val.indexOf('<');
- if (pos >= 0) {
- String tag = val.substring(pos + 1, val.indexOf('>', pos));
- attrTypesByTag.put(pfx + tag, key);
- }
- }
- //System.out.println("attrTypesByTag: "+attrTypesByTag);
- }
-
- protected ByteArrayOutputStream getAttrBuf() {
- int nab = attrBufs.size();
- if (nab == 0) {
- return new ByteArrayOutputStream(1024);
- }
- ByteArrayOutputStream ab = attrBufs.get(nab - 1);
- attrBufs.remove(nab - 1);
- return ab;
- }
-
- protected void putAttrBuf(ByteArrayOutputStream ab) {
- ab.reset();
- attrBufs.add(ab);
- }
-
- public ClassWriter(Element root) {
- this(root, null);
- }
-
- public ClassWriter(Element root, ClassSyntax cr) {
- if (cr != null) {
- attrTypes = cr.attrTypes;
- }
- setupAttrTypes();
- if (root.getName() == "ClassFile") {
- cfile = root;
- cpool = root.findElement("ConstantPool");
- klass = root.findElement("Class");
- } else if (root.getName() == "Class") {
- cfile = new Element("ClassFile",
- new String[]{
- "magic", String.valueOf(0xCAFEBABE),
- "minver", "0", "majver", "46",});
- cpool = new Element("ConstantPool");
- klass = root;
- } else {
- throw new IllegalArgumentException("bad element type " + root.getName());
- }
- if (cpool == null) {
- cpool = new Element("ConstantPool");
- }
-
- int cpLen = 1 + cpool.size();
- for (Element c : cpool.elements()) {
- int id = (int) c.getAttrLong("id");
- int tag = cpTagValue(c.getName());
- setCPIndex(tag, c.getText().toString(), id);
- switch (tag) {
- case CONSTANT_Long:
- case CONSTANT_Double:
- cpLen += 1;
- }
- }
- cpoolSize = cpLen;
- }
-
- public int findCPIndex(int tag, String name) {
- if (name == null) {
- return 0;
- }
- int[] ids = cpMap.get(name.toString());
- return (ids == null) ? 0 : ids[tag];
- }
-
- public int getCPIndex(int tag, String name) {
- //System.out.println("getCPIndex "+cpTagName(tag)+" "+name);
- if (name == null) {
- return 0;
- }
- int id = findCPIndex(tag, name);
- if (id == 0) {
- id = cpoolSize;
- cpoolSize += 1;
- setCPIndex(tag, name, id);
- cpool.add(new Element(cpTagName(tag),
- new String[]{"id", "" + id},
- new Object[]{name}));
- int pos;
- switch (tag) {
- case CONSTANT_Long:
- case CONSTANT_Double:
- cpoolSize += 1;
- break;
- case CONSTANT_Class:
- case CONSTANT_String:
- getCPIndex(CONSTANT_Utf8, name);
- break;
- case CONSTANT_Fieldref:
- case CONSTANT_Methodref:
- case CONSTANT_InterfaceMethodref:
- pos = name.indexOf(' ');
- getCPIndex(CONSTANT_Class, name.substring(0, pos));
- getCPIndex(CONSTANT_NameAndType, name.substring(pos + 1));
- break;
- case CONSTANT_NameAndType:
- pos = name.indexOf(' ');
- getCPIndex(CONSTANT_Utf8, name.substring(0, pos));
- getCPIndex(CONSTANT_Utf8, name.substring(pos + 1));
- break;
- }
- }
- return id;
- }
-
- public void setCPIndex(int tag, String name, int id) {
- //System.out.println("setCPIndex id="+id+" tag="+tag+" name="+name);
- int[] ids = cpMap.get(name);
- if (ids == null) {
- cpMap.put(name, ids = new int[13]);
- }
- if (ids[tag] != 0 && ids[tag] != id) {
- System.out.println("Warning: Duplicate CP entries for " + ids[tag] + " and " + id);
- }
- //assert(ids[tag] == 0 || ids[tag] == id);
- ids[tag] = id;
- }
-
- public int parseFlags(String flagString) {
- int flags = 0;
- int i = -1;
- for (String[] names : modifierNames) {
- ++i;
- for (String name : names) {
- if (name == null) {
- continue;
- }
- int pos = flagString.indexOf(name);
- if (pos >= 0) {
- flags |= (1 << i);
- }
- }
- }
- return flags;
- }
-
- public void writeTo(OutputStream realOut) throws IOException {
- OutputStream headOut = realOut;
- ByteArrayOutputStream tailOut = new ByteArrayOutputStream();
-
- // write the body of the class file first
- this.out = tailOut;
- writeClass();
-
- // write the file header last
- this.out = headOut;
- u4((int) cfile.getAttrLong("magic"));
- u2((int) cfile.getAttrLong("minver"));
- u2((int) cfile.getAttrLong("majver"));
- writeCP();
-
- // recopy the file tail
- this.out = null;
- tailOut.writeTo(realOut);
- }
-
- void writeClass() throws IOException {
- int flags = parseFlags(klass.getAttr("flags"));
- flags ^= Modifier.SYNCHRONIZED;
- u2(flags);
- cpRef(CONSTANT_Class, klass.getAttr("name"));
- cpRef(CONSTANT_Class, klass.getAttr("super"));
- Element interfaces = klass.findAllElements("Interface");
- u2(interfaces.size());
- for (Element e : interfaces.elements()) {
- cpRef(CONSTANT_Class, e.getAttr("name"));
- }
- for (int isMethod = 0; isMethod <= 1; isMethod++) {
- Element members = klass.findAllElements(isMethod != 0 ? "Method" : "Field");
- u2(members.size());
- for (Element m : members.elements()) {
- writeMember(m, isMethod != 0);
- }
- }
- writeAttributesFor(klass);
- }
-
- private void writeMember(Element member, boolean isMethod) throws IOException {
- //System.out.println("writeMember "+member);
- u2(parseFlags(member.getAttr("flags")));
- cpRef(CONSTANT_Utf8, member.getAttr("name"));
- cpRef(CONSTANT_Utf8, member.getAttr("type"));
- writeAttributesFor(member);
- }
-
- protected void writeAttributesFor(Element x) throws IOException {
- LinkedHashSet<String> attrNames = new LinkedHashSet<String>();
- for (Element e : x.elements()) {
- attrNames.add(e.getName()); // uniquifying
- }
- attrNames.removeAll(nonAttrTags());
- u2(attrNames.size());
- if (attrNames.isEmpty()) {
- return;
- }
- Element prevCurrent;
- if (x.getName() == "Code") {
- prevCurrent = currentCode;
- currentCode = x;
- } else {
- prevCurrent = currentMember;
- currentMember = x;
- }
- OutputStream realOut = this.out;
- for (String utag : attrNames) {
- String qtag = x.getName() + "." + utag;
- String wtag = "*." + utag;
- String key = attrTypesByTag.get(qtag);
- if (key == null) {
- key = attrTypesByTag.get(wtag);
- }
- String type = attrTypes.get(key);
- //System.out.println("tag "+qtag+" => key "+key+"; type "+type);
- Element attrs = x.findAllElements(utag);
- ByteArrayOutputStream attrBuf = getAttrBuf();
- if (type == null) {
- if (attrs.size() != 1 || !attrs.get(0).equals(new Element(utag))) {
- System.out.println("Warning: No attribute type description: " + qtag);
- }
- key = wtag;
- } else {
- try {
- this.out = attrBuf;
- // unparse according to type desc.
- if (type.equals("<Code>...")) {
- writeCode((Element) attrs.get(0)); // assume only 1
- } else if (type.equals("<Frame>...")) {
- writeStackMap(attrs, false);
- } else if (type.equals("<FrameX>...")) {
- writeStackMap(attrs, true);
- } else if (type.startsWith("[")) {
- writeAttributeRecursive(attrs, type);
- } else {
- writeAttribute(attrs, type);
- }
- } finally {
- //System.out.println("Attr Bytes = \""+attrBuf.toString(EIGHT_BIT_CHAR_ENCODING).replace('"', (char)('"'|0x80))+"\"");
- this.out = realOut;
- }
- }
- cpRef(CONSTANT_Utf8, key.substring(key.indexOf('.') + 1));
- u4(attrBuf.size());
- attrBuf.writeTo(out);
- putAttrBuf(attrBuf);
- }
- if (x.getName() == "Code") {
- currentCode = prevCurrent;
- } else {
- currentMember = prevCurrent;
- }
- }
-
- private void writeAttributeRecursive(Element aval, String type) throws IOException {
- assert (callables == null);
- callables = getBodies(type);
- writeAttribute(aval, callables[0]);
- callables = null;
- }
-
- private void writeAttribute(Element aval, String type) throws IOException {
- //System.out.println("writeAttribute "+aval+" using "+type);
- String nextAttrName = null;
- boolean afterElemHead = false;
- for (int len = type.length(), next, i = 0; i < len; i = next) {
- int value;
- char intKind;
- int tag;
- int sigChar;
- String attrValue;
- switch (type.charAt(i)) {
- case '<':
- assert (nextAttrName == null);
- next = type.indexOf('>', i);
- String form = type.substring(i + 1, next++);
- if (form.indexOf('=') < 0) {
- // elem_placement = '<' elemname '>'
- if (aval.isAnonymous()) {
- assert (aval.size() == 1);
- aval = (Element) aval.get(0);
- }
- assert (aval.getName().equals(form)) : aval + " // " + form;
- afterElemHead = true;
- } else {
- // attr_placement = '(' attrname '=' (value)? ')'
- int eqPos = form.indexOf('=');
- assert (eqPos >= 0);
- nextAttrName = form.substring(0, eqPos).intern();
- if (eqPos != form.length() - 1) {
- // value is implicit, not placed in file
- nextAttrName = null;
- }
- afterElemHead = false;
- }
- continue;
- case '(':
- next = type.indexOf(')', ++i);
- int callee = Integer.parseInt(type.substring(i, next++));
- writeAttribute(aval, callables[callee]);
- continue;
- case 'N': // replication = 'N' int '[' type ... ']'
- {
- assert (nextAttrName == null);
- afterElemHead = false;
- char countType = type.charAt(i + 1);
- next = i + 2;
- String type1 = getBody(type, next);
- Element elems = aval;
- if (type1.startsWith("<")) {
- // Select only matching members of aval.
- String elemName = type1.substring(1, type1.indexOf('>'));
- elems = aval.findAllElements(elemName);
- }
- putInt(elems.size(), countType);
- next += type1.length() + 2; // skip body and brackets
- for (Element elem : elems.elements()) {
- writeAttribute(elem, type1);
- }
- }
- continue;
- case 'T': // union = 'T' any_int union_case* '(' ')' '[' body ']'
- // write the value
- value = (int) aval.getAttrLong("tag");
- assert (aval.getAttr("tag") != null) : aval;
- intKind = type.charAt(++i);
- if (intKind == 'S') {
- intKind = type.charAt(++i);
- }
- putInt(value, intKind);
- nextAttrName = null;
- afterElemHead = false;
- ++i; // skip the int type char
- // union_case = '(' ('-')? digit+ ')' '[' body ']'
- for (boolean foundCase = false;;) {
- assert (type.charAt(i) == '(');
- next = type.indexOf(')', ++i);
- assert (next >= i);
- String caseStr = type.substring(i, next++);
- String type1 = getBody(type, next);
- next += type1.length() + 2; // skip body and brackets
- boolean lastCase = (caseStr.length() == 0);
- if (!foundCase
- && (lastCase || matchTag(value, caseStr))) {
- foundCase = true;
- // Execute this body.
- writeAttribute(aval, type1);
- }
- if (lastCase) {
- break;
- }
- }
- continue;
- case 'B':
- case 'H':
- case 'I': // int = oneof "BHI"
- value = (int) aval.getAttrLong(nextAttrName);
- intKind = type.charAt(i);
- next = i + 1;
- break;
- case 'K':
- sigChar = type.charAt(i + 1);
- if (sigChar == 'Q') {
- assert (currentMember.getName() == "Field");
- assert (aval.getName() == "ConstantValue");
- String sig = currentMember.getAttr("type");
- sigChar = sig.charAt(0);
- switch (sigChar) {
- case 'Z':
- case 'B':
- case 'C':
- case 'S':
- sigChar = 'I';
- break;
- }
- }
- switch (sigChar) {
- case 'I':
- tag = CONSTANT_Integer;
- break;
- case 'J':
- tag = CONSTANT_Long;
- break;
- case 'F':
- tag = CONSTANT_Float;
- break;
- case 'D':
- tag = CONSTANT_Double;
- break;
- case 'L':
- tag = CONSTANT_String;
- break;
- default:
- assert (false);
- tag = 0;
- }
- assert (type.charAt(i + 2) == 'H'); // only H works for now
- next = i + 3;
- assert (afterElemHead || nextAttrName != null);
- //System.out.println("get attr "+nextAttrName+" in "+aval);
- if (nextAttrName != null) {
- attrValue = aval.getAttr(nextAttrName);
- assert (attrValue != null);
- } else {
- assert (aval.isText()) : aval;
- attrValue = aval.getText().toString();
- }
- value = getCPIndex(tag, attrValue);
- intKind = 'H'; //type.charAt(i+2);
- break;
- case 'R':
- sigChar = type.charAt(i + 1);
- switch (sigChar) {
- case 'C':
- tag = CONSTANT_Class;
- break;
- case 'S':
- tag = CONSTANT_Utf8;
- break;
- case 'D':
- tag = CONSTANT_Class;
- break;
- case 'F':
- tag = CONSTANT_Fieldref;
- break;
- case 'M':
- tag = CONSTANT_Methodref;
- break;
- case 'I':
- tag = CONSTANT_InterfaceMethodref;
- break;
- case 'U':
- tag = CONSTANT_Utf8;
- break;
- //case 'Q': tag = CONSTANT_Class; break;
- default:
- assert (false);
- tag = 0;
- }
- assert (type.charAt(i + 2) == 'H'); // only H works for now
- next = i + 3;
- assert (afterElemHead || nextAttrName != null);
- //System.out.println("get attr "+nextAttrName+" in "+aval);
- if (nextAttrName != null) {
- attrValue = aval.getAttr(nextAttrName);
- } else if (aval.hasText()) {
- attrValue = aval.getText().toString();
- } else {
- attrValue = null;
- }
- value = getCPIndex(tag, attrValue);
- intKind = 'H'; //type.charAt(i+2);
- break;
- case 'P': // bci = 'P' int
- case 'S': // signed_int = 'S' int
- next = i + 2;
- value = (int) aval.getAttrLong(nextAttrName);
- intKind = type.charAt(i + 1);
- break;
- case 'F':
- next = i + 2;
- value = parseFlags(aval.getAttr(nextAttrName));
- intKind = type.charAt(i + 1);
- break;
- default:
- throw new RuntimeException("bad attr format '" + type.charAt(i) + "': " + type);
- }
- // write the value
- putInt(value, intKind);
- nextAttrName = null;
- afterElemHead = false;
- }
- assert (nextAttrName == null);
- }
-
- private void putInt(int x, char ch) throws IOException {
- switch (ch) {
- case 'B':
- u1(x);
- break;
- case 'H':
- u2(x);
- break;
- case 'I':
- u4(x);
- break;
- }
- assert ("BHI".indexOf(ch) >= 0);
- }
-
- private void writeCode(Element code) throws IOException {
- //System.out.println("writeCode "+code);
- //Element m = new Element(currentMember); m.remove(code);
- //System.out.println(" in "+m);
- int stack = (int) code.getAttrLong("stack");
- int local = (int) code.getAttrLong("local");
- Element bytes = code.findElement("Bytes");
- Element insns = code.findElement("Instructions");
- String bytecodes;
- if (insns == null) {
- bytecodes = bytes.getText().toString();
- } else {
- bytecodes = InstructionSyntax.assemble(insns, this);
- // Cache the assembled bytecodes:
- bytes = new Element("Bytes", (String[]) null, bytecodes);
- code.add(0, bytes);
- }
- u2(stack);
- u2(local);
- int length = bytecodes.length();
- u4(length);
- for (int i = 0; i < length; i++) {
- u1((byte) bytecodes.charAt(i));
- }
- Element handlers = code.findAllElements("Handler");
- u2(handlers.size());
- for (Element handler : handlers.elements()) {
- int start = (int) handler.getAttrLong("start");
- int end = (int) handler.getAttrLong("end");
- int catsh = (int) handler.getAttrLong("catch");
- u2(start);
- u2(end);
- u2(catsh);
- cpRef(CONSTANT_Class, handler.getAttr("class"));
- }
- writeAttributesFor(code);
- }
-
- protected void writeStackMap(Element attrs, boolean hasXOption) throws IOException {
- Element bytes = currentCode.findElement("Bytes");
- assert (bytes != null && bytes.size() == 1);
- int byteLength = ((String) bytes.get(0)).length();
- boolean uoffsetIsU4 = (byteLength >= (1 << 16));
- boolean ulocalvarIsU4 = currentCode.getAttrLong("local") >= (1 << 16);
- boolean ustackIsU4 = currentCode.getAttrLong("stack") >= (1 << 16);
- if (uoffsetIsU4) {
- u4(attrs.size());
- } else {
- u2(attrs.size());
- }
- for (Element frame : attrs.elements()) {
- int bci = (int) frame.getAttrLong("bci");
- if (uoffsetIsU4) {
- u4(bci);
- } else {
- u2(bci);
- }
- if (hasXOption) {
- u1((int) frame.getAttrLong("flags"));
- }
- // Scan local and stack types in this frame:
- final int LOCALS = 0, STACK = 1;
- for (int j = LOCALS; j <= STACK; j++) {
- Element types = frame.findElement(j == LOCALS ? "Local" : "Stack");
- int typeSize = (types == null) ? 0 : types.size();
- if (j == LOCALS) {
- if (ulocalvarIsU4) {
- u4(typeSize);
- } else {
- u2(typeSize);
- }
- } else { // STACK
- if (ustackIsU4) {
- u4(typeSize);
- } else {
- u2(typeSize);
- }
- }
- if (types == null) {
- continue;
- }
- for (Element type : types.elements()) {
- int tag = itemTagValue(type.getName());
- u1(tag);
- switch (tag) {
- case ITEM_Object:
- cpRef(CONSTANT_Class, type.getAttr("class"));
- break;
- case ITEM_Uninitialized:
- case ITEM_ReturnAddress: {
- int offset = (int) type.getAttrLong("bci");
- if (uoffsetIsU4) {
- u4(offset);
- } else {
- u2(offset);
- }
- }
- break;
- }
- }
- }
- }
- }
-
- public void writeCP() throws IOException {
- int cpLen = cpoolSize;
- u2(cpLen);
- ByteArrayOutputStream buf = getAttrBuf();
- for (Element c : cpool.elements()) {
- if (!c.isText()) {
- System.out.println("## !isText " + c);
- }
- int id = (int) c.getAttrLong("id");
- int tag = cpTagValue(c.getName());
- String name = c.getText().toString();
- int pos;
- u1(tag);
- switch (tag) {
- case CONSTANT_Utf8: {
- int done = 0;
- buf.reset();
- int nameLen = name.length();
- while (done < nameLen) {
- int next = name.indexOf((char) 0, done);
- if (next < 0) {
- next = nameLen;
- }
- if (done < next) {
- buf.write(name.substring(done, next).getBytes(UTF8_ENCODING));
- }
- if (next < nameLen) {
- buf.write(0300);
- buf.write(0200);
- next++;
- }
- done = next;
- }
- u2(buf.size());
- buf.writeTo(out);
- }
- break;
- case CONSTANT_Integer:
- u4(Integer.parseInt(name));
- break;
- case CONSTANT_Float:
- u4(Float.floatToIntBits(Float.parseFloat(name)));
- break;
- case CONSTANT_Long:
- u8(Long.parseLong(name));
- //i += 1; // no need: extra cp slot is implicit
- break;
- case CONSTANT_Double:
- u8(Double.doubleToLongBits(Double.parseDouble(name)));
- //i += 1; // no need: extra cp slot is implicit
- break;
- case CONSTANT_Class:
- case CONSTANT_String:
- u2(getCPIndex(CONSTANT_Utf8, name));
- break;
- case CONSTANT_Fieldref:
- case CONSTANT_Methodref:
- case CONSTANT_InterfaceMethodref:
- pos = name.indexOf(' ');
- u2(getCPIndex(CONSTANT_Class, name.substring(0, pos)));
- u2(getCPIndex(CONSTANT_NameAndType, name.substring(pos + 1)));
- break;
- case CONSTANT_NameAndType:
- pos = name.indexOf(' ');
- u2(getCPIndex(CONSTANT_Utf8, name.substring(0, pos)));
- u2(getCPIndex(CONSTANT_Utf8, name.substring(pos + 1)));
- break;
- }
- }
- putAttrBuf(buf);
- }
-
- public void cpRef(int tag, String name) throws IOException {
- u2(getCPIndex(tag, name));
- }
-
- public void u8(long x) throws IOException {
- u4((int) (x >>> 32));
- u4((int) (x >>> 0));
- }
-
- public void u4(int x) throws IOException {
- u2(x >>> 16);
- u2(x >>> 0);
- }
-
- public void u2(int x) throws IOException {
- u1(x >>> 8);
- u1(x >>> 0);
- }
-
- public void u1(int x) throws IOException {
- out.write(x & 0xFF);
- }
-}
-
--- a/jdk/test/tools/pack200/pack200-verifier/src/xmlkit/InstructionAssembler.java Sun Apr 22 19:09:02 2012 +0100
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,464 +0,0 @@
-/*
- * Copyright (c) 2010, Oracle and/or its affiliates. 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
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation. Oracle designates this
- * particular file as subject to the "Classpath" exception as provided
- * by Oracle in the LICENSE file that accompanied this code.
- *
- * 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- */
-package xmlkit; // -*- mode: java; indent-tabs-mode: nil -*-
-
-import xmlkit.XMLKit.Element;
-import java.util.HashMap;
-/*
- * @author jrose
- */
-abstract class InstructionAssembler extends InstructionSyntax {
-
- InstructionAssembler() {
- }
-
- public static String assemble(Element instructions, String pcAttrName,
- ClassSyntax.GetCPIndex getCPI) {
- int insCount = instructions.size();
- Element[] insElems = new Element[insCount];
- int[] elemToIndexMap;
- int[] insLocs;
- byte[] ops = new byte[insCount];
- int[] operands = new int[insCount];
- boolean[] isWide = new boolean[insCount];
- int[] branches;
- int[] branchInsLocs;
- HashMap<String, String> labels = new HashMap<String, String>();
-
- final int WIDE = 0xc4;
- final int GOTO = 0xa7;
- final int GOTO_W = 0xc8;
- final int GOTO_LEN = 3;
- final int GOTO_W_LEN = 5;
- assert ("wide".equals(bcNames[WIDE]));
- assert ("goto".equals(bcNames[GOTO]));
- assert ("goto_w".equals(bcNames[GOTO_W]));
- assert (bcFormats[GOTO].length() == GOTO_LEN);
- assert (bcFormats[GOTO_W].length() == GOTO_W_LEN);
-
- // Unpack instructions into temp. arrays, and find branches and labels.
- {
- elemToIndexMap = (pcAttrName != null) ? new int[insCount] : null;
- int[] buffer = operands;
- int id = 0;
- int branchCount = 0;
- for (int i = 0; i < insCount; i++) {
- Element ins = (Element) instructions.get(i);
- if (elemToIndexMap != null) {
- elemToIndexMap[i] = (ins.getAttr(pcAttrName) != null ? id : -1);
- }
- String lab = ins.getAttr("pc");
- if (lab != null) {
- labels.put(lab, String.valueOf(id));
- }
- int op = opCode(ins.getName());
- if (op < 0) {
- assert (ins.getAttr(pcAttrName) != null
- || ins.getName().equals("label"));
- continue; // delete PC holder element
- }
- if (op == WIDE) { //0xc4
- isWide[id] = true; // force wide format
- continue;
- }
- if (bcFormats[op].indexOf('o') >= 0) {
- buffer[branchCount++] = id;
- }
- if (bcFormats[op] == bcWideFormats[op]) {
- isWide[id] = false;
- }
- insElems[id] = ins;
- ops[id] = (byte) op;
- id++;
- }
- insCount = id; // maybe we deleted some wide prefixes, etc.
- branches = new int[branchCount + 1];
- System.arraycopy(buffer, 0, branches, 0, branchCount);
- branches[branchCount] = -1; // sentinel
- }
-
- // Compute instruction sizes. These sizes are final,
- // except for branch instructions, which may need lengthening.
- // Some instructions (ldc, bipush, iload, iinc) are automagically widened.
- insLocs = new int[insCount + 1];
- int loc = 0;
- for (int bn = 0, id = 0; id < insCount; id++) {
- insLocs[id] = loc;
- Element ins = insElems[id];
- int op = ops[id] & 0xFF;
- String format = opFormat(op, isWide[id]);
- // Make sure operands fit within the given format.
- for (int j = 1, jlimit = format.length(); j < jlimit; j++) {
- char fc = format.charAt(j);
- int x = 0;
- switch (fc) {
- case 'l':
- x = (int) ins.getAttrLong("loc");
- assert (x >= 0);
- if (x > 0xFF && !isWide[id]) {
- isWide[id] = true;
- format = opFormat(op, isWide[id]);
- }
- assert (x <= 0xFFFF);
- break;
- case 'k':
- char fc2 = format.charAt(Math.min(j + 1, format.length() - 1));
- x = getCPIndex(ins, fc2, getCPI);
- if (x > 0xFF && j == jlimit - 1) {
- assert (op == 0x12); //ldc
- ops[id] = (byte) (op = 0x13); //ldc_w
- format = opFormat(op);
- }
- assert (x <= 0xFFFF);
- j++; // skip type-of-constant marker
- break;
- case 'x':
- x = (int) ins.getAttrLong("num");
- assert (x >= 0 && x <= ((j == jlimit - 1) ? 0xFF : 0xFFFF));
- break;
- case 's':
- x = (int) ins.getAttrLong("num");
- if (x != (byte) x && j == jlimit - 1) {
- switch (op) {
- case 0x10: //bipush
- ops[id] = (byte) (op = 0x11); //sipush
- break;
- case 0x84: //iinc
- isWide[id] = true;
- format = opFormat(op, isWide[id]);
- break;
- default:
- assert (false); // cannot lengthen
- }
- }
- // unsign the value now, to make later steps clearer
- if (j == jlimit - 1) {
- assert (x == (byte) x);
- x = x & 0xFF;
- } else {
- assert (x == (short) x);
- x = x & 0xFFFF;
- }
- break;
- case 'o':
- assert (branches[bn] == id);
- bn++;
- // make local copies of the branches, and fix up labels
- insElems[id] = ins = new Element(ins);
- String newLab = labels.get(ins.getAttr("lab"));
- assert (newLab != null);
- ins.setAttr("lab", newLab);
- int prevCas = 0;
- int k = 0;
- for (Element cas : ins.elements()) {
- assert (cas.getName().equals("Case"));
- ins.set(k++, cas = new Element(cas));
- newLab = labels.get(cas.getAttr("lab"));
- assert (newLab != null);
- cas.setAttr("lab", newLab);
- int thisCas = (int) cas.getAttrLong("num");
- assert (op == 0xab
- || op == 0xaa && (k == 0 || thisCas == prevCas + 1));
- prevCas = thisCas;
- }
- break;
- case 't':
- // switch table is represented as Switch.Case sub-elements
- break;
- default:
- assert (false);
- }
- operands[id] = x; // record operand (last if there are 2)
- // skip redundant chars
- while (j + 1 < jlimit && format.charAt(j + 1) == fc) {
- ++j;
- }
- }
-
- switch (op) {
- case 0xaa: //tableswitch
- loc = switchBase(loc);
- loc += 4 * (3 + ins.size());
- break;
- case 0xab: //lookupswitch
- loc = switchBase(loc);
- loc += 4 * (2 + 2 * ins.size());
- break;
- default:
- if (isWide[id]) {
- loc++; // 'wide' opcode prefix
- }
- loc += format.length();
- break;
- }
- }
- insLocs[insCount] = loc;
-
- // compute branch offsets, and see if any branches need expansion
- for (int maxTries = 9, tries = 0;; ++tries) {
- boolean overflowing = false;
- boolean[] branchExpansions = null;
- for (int bn = 0; bn < branches.length - 1; bn++) {
- int id = branches[bn];
- Element ins = insElems[id];
- int insSize = insLocs[id + 1] - insLocs[id];
- int origin = insLocs[id];
- int target = insLocs[(int) ins.getAttrLong("lab")];
- int offset = target - origin;
- operands[id] = offset;
- //System.out.println("branch id="+id+" len="+insSize+" to="+target+" offset="+offset);
- assert (insSize == GOTO_LEN || insSize == GOTO_W_LEN || ins.getName().indexOf("switch") > 0);
- boolean thisOverflow = (insSize == GOTO_LEN && (offset != (short) offset));
- if (thisOverflow && !overflowing) {
- overflowing = true;
- branchExpansions = new boolean[branches.length];
- }
- if (thisOverflow || tries == maxTries - 1) {
- // lengthen the branch
- assert (!(thisOverflow && isWide[id]));
- isWide[id] = true;
- branchExpansions[bn] = true;
- }
- }
- if (!overflowing) {
- break; // done, usually on first try
- }
- assert (tries <= maxTries);
-
- // Walk over all instructions, expanding branches and updating locations.
- int fixup = 0;
- for (int bn = 0, id = 0; id < insCount; id++) {
- insLocs[id] += fixup;
- if (branches[bn] == id) {
- int op = ops[id] & 0xFF;
- int wop;
- boolean invert;
- if (branchExpansions[bn]) {
- switch (op) {
- case GOTO: //0xa7
- wop = GOTO_W; //0xc8
- invert = false;
- break;
- case 0xa8: //jsr
- wop = 0xc9; //jsr_w
- invert = false;
- break;
- default:
- wop = invertBranchOp(op);
- invert = true;
- break;
- }
- assert (op != wop);
- ops[id] = (byte) wop;
- isWide[id] = invert;
- if (invert) {
- fixup += GOTO_W_LEN; //branch around a wide goto
- } else {
- fixup += (GOTO_W_LEN - GOTO_LEN);
- }
- // done expanding: ops and isWide reflect the decision
- }
- bn++;
- }
- }
- insLocs[insCount] += fixup;
- }
- // we know the layout now
-
- // notify the caller of offsets, if requested
- if (elemToIndexMap != null) {
- for (int i = 0; i < elemToIndexMap.length; i++) {
- int id = elemToIndexMap[i];
- if (id >= 0) {
- Element ins = (Element) instructions.get(i);
- ins.setAttr(pcAttrName, "" + insLocs[id]);
- }
- }
- elemToIndexMap = null; // release the pointer
- }
-
- // output the bytes
- StringBuffer sbuf = new StringBuffer(insLocs[insCount]);
- for (int bn = 0, id = 0; id < insCount; id++) {
- //System.out.println("output id="+id+" loc="+insLocs[id]+" len="+(insLocs[id+1]-insLocs[id])+" #sbuf="+sbuf.length());
- assert (sbuf.length() == insLocs[id]);
- Element ins;
- int pc = insLocs[id];
- int nextpc = insLocs[id + 1];
- int op = ops[id] & 0xFF;
- int opnd = operands[id];
- String format;
- if (branches[bn] == id) {
- bn++;
- sbuf.append((char) op);
- if (isWide[id]) {
- // emit <ifop lab=1f> <goto_w target> <label pc=1f>
- int target = pc + opnd;
- putInt(sbuf, nextpc - pc, -2);
- assert (sbuf.length() == pc + GOTO_LEN);
- sbuf.append((char) GOTO_W);
- putInt(sbuf, target - (pc + GOTO_LEN), 4);
- } else if (op == 0xaa || //tableswitch
- op == 0xab) { //lookupswitch
- ins = insElems[id];
- for (int pad = switchBase(pc) - (pc + 1); pad > 0; pad--) {
- sbuf.append((char) 0);
- }
- assert (pc + opnd == insLocs[(int) ins.getAttrLong("lab")]);
- putInt(sbuf, opnd, 4); // default label
- if (op == 0xaa) { //tableswitch
- Element cas0 = (Element) ins.get(0);
- int lowCase = (int) cas0.getAttrLong("num");
- Element casN = (Element) ins.get(ins.size() - 1);
- int highCase = (int) casN.getAttrLong("num");
- assert (highCase - lowCase + 1 == ins.size());
- putInt(sbuf, lowCase, 4);
- putInt(sbuf, highCase, 4);
- int caseForAssert = lowCase;
- for (Element cas : ins.elements()) {
- int target = insLocs[(int) cas.getAttrLong("lab")];
- assert (cas.getAttrLong("num") == caseForAssert++);
- putInt(sbuf, target - pc, 4);
- }
- } else { //lookupswitch
- int caseCount = ins.size();
- putInt(sbuf, caseCount, 4);
- for (Element cas : ins.elements()) {
- int target = insLocs[(int) cas.getAttrLong("lab")];
- putInt(sbuf, (int) cas.getAttrLong("num"), 4);
- putInt(sbuf, target - pc, 4);
- }
- }
- assert (nextpc == sbuf.length());
- } else {
- putInt(sbuf, opnd, -(nextpc - (pc + 1)));
- }
- } else if (nextpc == pc + 1) {
- // a single-byte instruction
- sbuf.append((char) op);
- } else {
- // picky stuff
- boolean wide = isWide[id];
- if (wide) {
- sbuf.append((char) WIDE);
- pc++;
- }
- sbuf.append((char) op);
- int opnd1;
- int opnd2 = opnd;
- switch (op) {
- case 0x84: //iinc
- ins = insElems[id];
- opnd1 = (int) ins.getAttrLong("loc");
- if (isWide[id]) {
- putInt(sbuf, opnd1, 2);
- putInt(sbuf, opnd2, 2);
- } else {
- putInt(sbuf, opnd1, 1);
- putInt(sbuf, opnd2, 1);
- }
- break;
- case 0xc5: //multianewarray
- ins = insElems[id];
- opnd1 = getCPIndex(ins, 'c', getCPI);
- putInt(sbuf, opnd1, 2);
- putInt(sbuf, opnd2, 1);
- break;
- case 0xb9: //invokeinterface
- ins = insElems[id];
- opnd1 = getCPIndex(ins, 'n', getCPI);
- putInt(sbuf, opnd1, 2);
- opnd2 = (int) ins.getAttrLong("num");
- if (opnd2 == 0) {
- opnd2 = ClassSyntax.computeInterfaceNum(ins.getAttr("val"));
- }
- putInt(sbuf, opnd2, 2);
- break;
- default:
- // put the single operand and be done
- putInt(sbuf, opnd, nextpc - (pc + 1));
- break;
- }
- }
- }
- assert (sbuf.length() == insLocs[insCount]);
-
- return sbuf.toString();
- }
-
- static int getCPIndex(Element ins, char ctype,
- ClassSyntax.GetCPIndex getCPI) {
- int x = (int) ins.getAttrLong("ref");
- if (x == 0 && getCPI != null) {
- String val = ins.getAttr("val");
- if (val == null || val.equals("")) {
- val = ins.getText().toString();
- }
- byte tag;
- switch (ctype) {
- case 'k':
- tag = (byte) ins.getAttrLong("tag");
- break;
- case 'c':
- tag = ClassSyntax.CONSTANT_Class;
- break;
- case 'f':
- tag = ClassSyntax.CONSTANT_Fieldref;
- break;
- case 'm':
- tag = ClassSyntax.CONSTANT_Methodref;
- break;
- case 'n':
- tag = ClassSyntax.CONSTANT_InterfaceMethodref;
- break;
- default:
- throw new Error("bad ctype " + ctype + " in " + ins);
- }
- x = getCPI.getCPIndex(tag, val);
- //System.out.println("getCPIndex "+ins+" => "+tag+"/"+val+" => "+x);
- } else {
- assert (x > 0);
- }
- return x;
- }
-
- static void putInt(StringBuffer sbuf, int x, int len) {
- //System.out.println("putInt x="+x+" len="+len);
- boolean isSigned = false;
- if (len < 0) {
- len = -len;
- isSigned = true;
- }
- assert (len == 1 || len == 2 || len == 4);
- int insig = ((4 - len) * 8); // how many insignificant bits?
- int sx = x << insig;
- ;
- assert (x == (isSigned ? (sx >> insig) : (sx >>> insig)));
- for (int i = 0; i < len; i++) {
- sbuf.append((char) (sx >>> 24));
- sx <<= 8;
- }
- }
-}
--- a/jdk/test/tools/pack200/pack200-verifier/src/xmlkit/InstructionSyntax.java Sun Apr 22 19:09:02 2012 +0100
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,483 +0,0 @@
-/*
- * Copyright (c) 2010, Oracle and/or its affiliates. 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
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation. Oracle designates this
- * particular file as subject to the "Classpath" exception as provided
- * by Oracle in the LICENSE file that accompanied this code.
- *
- * 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- */
-package xmlkit; // -*- mode: java; indent-tabs-mode: nil -*-
-
-import xmlkit.XMLKit.Element;
-import java.util.HashMap;
-import java.util.Map;
-/*
- * @author jrose
- */
-public abstract class InstructionSyntax {
-
- InstructionSyntax() {
- }
- static final String[] bcNames;
- static final String[] bcFormats;
- static final String[] bcWideFormats;
- static final HashMap<String, Integer> bcCodes;
- static final HashMap<String, Element> abbrevs;
- static final HashMap<Element, String> rabbrevs;
-
- static {
- TokenList tl = new TokenList(
- " nop aconst_null iconst_m1 iconst_0 iconst_1 iconst_2 iconst_3"
- + " iconst_4 iconst_5 lconst_0 lconst_1 fconst_0 fconst_1 fconst_2"
- + " dconst_0 dconst_1 bipush/s sipush/ss ldc/k ldc_w/kk ldc2_w/kk"
- + " iload/wl lload/wl fload/wl dload/wl aload/wl iload_0 iload_1"
- + " iload_2 iload_3 lload_0 lload_1 lload_2 lload_3 fload_0 fload_1"
- + " fload_2 fload_3 dload_0 dload_1 dload_2 dload_3 aload_0 aload_1"
- + " aload_2 aload_3 iaload laload faload daload aaload baload caload"
- + " saload istore/wl lstore/wl fstore/wl dstore/wl astore/wl"
- + " istore_0 istore_1 istore_2 istore_3 lstore_0 lstore_1 lstore_2"
- + " lstore_3 fstore_0 fstore_1 fstore_2 fstore_3 dstore_0 dstore_1"
- + " dstore_2 dstore_3 astore_0 astore_1 astore_2 astore_3 iastore"
- + " lastore fastore dastore aastore bastore castore sastore pop pop2"
- + " dup dup_x1 dup_x2 dup2 dup2_x1 dup2_x2 swap iadd ladd fadd dadd"
- + " isub lsub fsub dsub imul lmul fmul dmul idiv ldiv fdiv ddiv irem"
- + " lrem frem drem ineg lneg fneg dneg ishl lshl ishr lshr iushr"
- + " lushr iand land ior lor ixor lxor iinc/wls i2l i2f i2d l2i l2f"
- + " l2d f2i f2l f2d d2i d2l d2f i2b i2c i2s lcmp fcmpl fcmpg dcmpl"
- + " dcmpg ifeq/oo ifne/oo iflt/oo ifge/oo ifgt/oo ifle/oo"
- + " if_icmpeq/oo if_icmpne/oo if_icmplt/oo if_icmpge/oo if_icmpgt/oo"
- + " if_icmple/oo if_acmpeq/oo if_acmpne/oo goto/oo jsr/oo ret/wl"
- + " tableswitch/oooot lookupswitch/oooot ireturn lreturn freturn dreturn areturn"
- + " return getstatic/kf putstatic/kf getfield/kf putfield/kf"
- + " invokevirtual/km invokespecial/km invokestatic/km"
- + " invokeinterface/knxx xxxunusedxxx new/kc newarray/x anewarray/kc"
- + " arraylength athrow checkcast/kc instanceof/kc monitorenter"
- + " monitorexit wide multianewarray/kcx ifnull/oo ifnonnull/oo"
- + " goto_w/oooo jsr_w/oooo");
- assert (tl.size() == 202); // this many instructions!
- HashMap<String, Integer> map = new HashMap<String, Integer>(tl.size());
- String[] names = tl.toArray(new String[tl.size()]);
- String[] formats = new String[names.length];
- String[] wideFormats = new String[names.length];
- StringBuilder sbuf = new StringBuilder();
- sbuf.append('i'); // all op formats begin with "i"
- int i = 0;
- for (String ins : names) {
- assert (ins == ins.trim()); // no whitespace
- int sfx = ins.indexOf('/');
- String format = "i";
- String wideFormat = null;
- if (sfx >= 0) {
- format = ins.substring(sfx + 1);
- ins = ins.substring(0, sfx);
- if (format.charAt(0) == 'w') {
- format = format.substring(1);
- sbuf.setLength(1);
- for (int j = 0; j < format.length(); j++) {
- // double everything except the initial 'i'
- sbuf.append(format.charAt(j));
- sbuf.append(format.charAt(j));
- }
- wideFormat = sbuf.toString().intern();
- }
- sbuf.setLength(1);
- sbuf.append(format);
- format = sbuf.toString().intern();
- }
- ins = ins.intern();
- names[i] = ins;
- formats[i] = format;
- wideFormats[i] = (wideFormat != null) ? wideFormat : format;
- //System.out.println(ins+" "+format+" "+wideFormat);
- map.put(ins, i++);
- }
- //map = Collections.unmodifiableMap(map);
-
- HashMap<String, Element> abb = new HashMap<String, Element>(tl.size() / 2);
- abb.put("iconst_m1", new Element("bipush", "num", "-1"));
- for (String ins : names) {
- int sfx = ins.indexOf('_');
- if (sfx >= 0 && Character.isDigit(ins.charAt(sfx + 1))) {
- String pfx = ins.substring(0, sfx).intern();
- String num = ins.substring(sfx + 1);
- String att = pfx.endsWith("const") ? "num" : "loc";
- Element exp = new Element(pfx, att, num).deepFreeze();
- abb.put(ins, exp);
- }
- }
- //abb = Collections.unmodifiableMap(abb);
- HashMap<Element, String> rabb = new HashMap<Element, String>(tl.size() / 2);
- for (Map.Entry<String, Element> e : abb.entrySet()) {
- rabb.put(e.getValue(), e.getKey());
- }
- //rabb = Collections.unmodifiableMap(rabb);
-
-
- bcNames = names;
- bcFormats = formats;
- bcWideFormats = wideFormats;
- bcCodes = map;
- abbrevs = abb;
- rabbrevs = rabb;
- }
-
- public static String opName(int op) {
- if (op >= 0 && op < bcNames.length) {
- return bcNames[op];
- }
- return "unknown#" + op;
- }
-
- public static String opFormat(int op) {
- return opFormat(op, false);
- }
-
- public static String opFormat(int op, boolean isWide) {
- if (op >= 0 && op < bcFormats.length) {
- return (isWide ? bcWideFormats[op] : bcFormats[op]);
- }
- return "?";
- }
-
- public static int opCode(String opName) {
- Integer op = (Integer) bcCodes.get(opName);
- if (op != null) {
- return op.intValue();
- }
- return -1;
- }
-
- public static Element expandAbbrev(String opName) {
- return abbrevs.get(opName);
- }
-
- public static String findAbbrev(Element op) {
- return rabbrevs.get(op);
- }
-
- public static int invertBranchOp(int op) {
- assert (opFormat(op).indexOf('o') >= 0);
- final int IFMIN = 0x99;
- final int IFMAX = 0xa6;
- final int IFMIN2 = 0xc6;
- final int IFMAX2 = 0xc7;
- assert (bcNames[IFMIN] == "ifeq");
- assert (bcNames[IFMAX] == "if_acmpne");
- assert (bcNames[IFMIN2] == "ifnonnull");
- assert (bcNames[IFMAX2] == "ifnull");
- int rop;
- if (op >= IFMIN && op <= IFMAX) {
- rop = IFMIN + ((op - IFMIN) ^ 1);
- } else if (op >= IFMIN2 && op <= IFMAX2) {
- rop = IFMIN2 + ((op - IFMIN2) ^ 1);
- } else {
- assert (false);
- rop = op;
- }
- assert (opFormat(rop).indexOf('o') >= 0);
- return rop;
- }
-
- public static Element parse(String bytes) {
- Element e = new Element("Instructions", bytes.length());
- boolean willBeWide;
- boolean isWide = false;
- Element[] tempMap = new Element[bytes.length()];
- for (int pc = 0, nextpc; pc < bytes.length(); pc = nextpc) {
- int op = bytes.charAt(pc);
- Element i = new Element(opName(op));
-
- nextpc = pc + 1;
- int locarg = 0;
- int cparg = 0;
- int intarg = 0;
- int labelarg = 0;
-
- willBeWide = false;
- switch (op) {
- case 0xc4: //wide
- willBeWide = true;
- break;
- case 0x10: //bipush
- intarg = nextpc++;
- intarg *= -1; //mark signed
- break;
- case 0x11: //sipush
- intarg = nextpc;
- nextpc += 2;
- intarg *= -1; //mark signed
- break;
- case 0x12: //ldc
- cparg = nextpc++;
- break;
- case 0x13: //ldc_w
- case 0x14: //ldc2_w
- case 0xb2: //getstatic
- case 0xb3: //putstatic
- case 0xb4: //getfield
- case 0xb5: //putfield
- case 0xb6: //invokevirtual
- case 0xb7: //invokespecial
- case 0xb8: //invokestatic
- case 0xbb: //new
- case 0xbd: //anewarray
- case 0xc0: //checkcast
- case 0xc1: //instanceof
- cparg = nextpc;
- nextpc += 2;
- break;
- case 0xb9: //invokeinterface
- cparg = nextpc;
- nextpc += 2;
- intarg = nextpc;
- nextpc += 2;
- break;
- case 0xc5: //multianewarray
- cparg = nextpc;
- nextpc += 2;
- intarg = nextpc++;
- break;
- case 0x15: //iload
- case 0x16: //lload
- case 0x17: //fload
- case 0x18: //dload
- case 0x19: //aload
- case 0x36: //istore
- case 0x37: //lstore
- case 0x38: //fstore
- case 0x39: //dstore
- case 0x3a: //astore
- case 0xa9: //ret
- locarg = nextpc++;
- if (isWide) {
- nextpc++;
- }
- break;
- case 0x84: //iinc
- locarg = nextpc++;
- if (isWide) {
- nextpc++;
- }
- intarg = nextpc++;
- if (isWide) {
- nextpc++;
- }
- intarg *= -1; //mark signed
- break;
- case 0x99: //ifeq
- case 0x9a: //ifne
- case 0x9b: //iflt
- case 0x9c: //ifge
- case 0x9d: //ifgt
- case 0x9e: //ifle
- case 0x9f: //if_icmpeq
- case 0xa0: //if_icmpne
- case 0xa1: //if_icmplt
- case 0xa2: //if_icmpge
- case 0xa3: //if_icmpgt
- case 0xa4: //if_icmple
- case 0xa5: //if_acmpeq
- case 0xa6: //if_acmpne
- case 0xa7: //goto
- case 0xa8: //jsr
- labelarg = nextpc;
- nextpc += 2;
- break;
- case 0xbc: //newarray
- intarg = nextpc++;
- break;
- case 0xc6: //ifnull
- case 0xc7: //ifnonnull
- labelarg = nextpc;
- nextpc += 2;
- break;
- case 0xc8: //goto_w
- case 0xc9: //jsr_w
- labelarg = nextpc;
- nextpc += 4;
- break;
-
- // save the best for last:
- case 0xaa: //tableswitch
- nextpc = parseSwitch(bytes, pc, true, i);
- break;
- case 0xab: //lookupswitch
- nextpc = parseSwitch(bytes, pc, false, i);
- break;
- }
-
- String format = null;
- assert ((format = opFormat(op, isWide)) != null);
- //System.out.println("pc="+pc+" len="+(nextpc - pc)+" w="+isWide+" op="+op+" name="+opName(op)+" format="+format);
- assert ((nextpc - pc) == format.length() || format.indexOf('t') >= 0);
-
- // Parse out instruction fields.
- if (locarg != 0) {
- int len = nextpc - locarg;
- if (intarg != 0) {
- len /= 2; // split
- }
- i.setAttr("loc", "" + getInt(bytes, locarg, len));
- assert ('l' == format.charAt(locarg - pc + 0));
- assert ('l' == format.charAt(locarg - pc + len - 1));
- }
- if (cparg != 0) {
- int len = nextpc - cparg;
- if (len > 2) {
- len = 2;
- }
- i.setAttr("ref", "" + getInt(bytes, cparg, len));
- assert ('k' == format.charAt(cparg - pc + 0));
- }
- if (intarg != 0) {
- boolean isSigned = (intarg < 0);
- if (isSigned) {
- intarg *= -1;
- }
- int len = nextpc - intarg;
- i.setAttr("num", "" + getInt(bytes, intarg, isSigned ? -len : len));
- assert ((isSigned ? 's' : 'x') == format.charAt(intarg - pc + 0));
- assert ((isSigned ? 's' : 'x') == format.charAt(intarg - pc + len - 1));
- }
- if (labelarg != 0) {
- int len = nextpc - labelarg;
- int offset = getInt(bytes, labelarg, -len);
- int target = pc + offset;
- i.setAttr("lab", "" + target);
- assert ('o' == format.charAt(labelarg - pc + 0));
- assert ('o' == format.charAt(labelarg - pc + len - 1));
- }
-
- e.add(i);
- tempMap[pc] = i;
- isWide = willBeWide;
- }
-
- // Mark targets of branches.
- for (Element i : e.elements()) {
- for (int j = -1; j < i.size(); j++) {
- Element c = (j < 0) ? i : (Element) i.get(j);
- Number targetNum = c.getAttrNumber("lab");
- if (targetNum != null) {
- int target = targetNum.intValue();
- Element ti = null;
- if (target >= 0 && target < tempMap.length) {
- ti = tempMap[target];
- }
- if (ti != null) {
- ti.setAttr("pc", "" + target);
- } else {
- c.setAttr("lab.error", "");
- }
- }
- }
- }
-
- // Shrink to fit:
- for (Element i : e.elements()) {
- i.trimToSize();
- }
- e.trimToSize();
-
- /*
- String assem = assemble(e);
- if (!assem.equals(bytes)) {
- System.out.println("Bytes: "+bytes);
- System.out.println("Insns: "+e);
- System.out.println("Assem: "+parse(assem));
- }
- */
-
- return e;
- }
-
- static int switchBase(int pc) {
- int apc = pc + 1;
- apc += (-apc) & 3;
- return apc;
- }
-
- static int parseSwitch(String s, int pc, boolean isTable, Element i) {
- int apc = switchBase(pc);
- int defLabel = pc + getInt(s, apc + 4 * 0, 4);
- i.setAttr("lab", "" + defLabel);
- if (isTable) {
- int lowCase = getInt(s, apc + 4 * 1, 4);
- int highCase = getInt(s, apc + 4 * 2, 4);
- int caseCount = highCase - lowCase + 1;
- for (int n = 0; n < caseCount; n++) {
- Element c = new Element("Case", 4);
- int caseVal = lowCase + n;
- int caseLab = getInt(s, apc + 4 * (3 + n), 4) + pc;
- c.setAttr("num", "" + caseVal);
- c.setAttr("lab", "" + caseLab);
- assert (c.getExtraCapacity() == 0);
- i.add(c);
- }
- return apc + 4 * (3 + caseCount);
- } else {
- int caseCount = getInt(s, apc + 4 * 1, 4);
- for (int n = 0; n < caseCount; n++) {
- Element c = new Element("Case", 4);
- int caseVal = getInt(s, apc + 4 * (2 + (2 * n) + 0), 4);
- int caseLab = getInt(s, apc + 4 * (2 + (2 * n) + 1), 4) + pc;
- c.setAttr("num", "" + caseVal);
- c.setAttr("lab", "" + caseLab);
- assert (c.getExtraCapacity() == 0);
- i.add(c);
- }
- return apc + 4 * (2 + 2 * caseCount);
- }
- }
-
- static int getInt(String s, int pc, int len) {
- //System.out.println("getInt s["+s.length()+"] pc="+pc+" len="+len);
- int result = s.charAt(pc);
- if (len < 0) {
- len = -len;
- result = (byte) result;
- }
- if (!(len == 1 || len == 2 || len == 4)) {
- System.out.println("len=" + len);
- }
- assert (len == 1 || len == 2 || len == 4);
- for (int i = 1; i < len; i++) {
- result <<= 8;
- result += s.charAt(pc + i) & 0xFF;
- }
- return result;
- }
-
- public static String assemble(Element instructions) {
- return InstructionAssembler.assemble(instructions, null, null);
- }
-
- public static String assemble(Element instructions, String pcAttrName) {
- return InstructionAssembler.assemble(instructions, pcAttrName, null);
- }
-
- public static String assemble(Element instructions, ClassSyntax.GetCPIndex getCPI) {
- return InstructionAssembler.assemble(instructions, null, getCPI);
- }
-
- public static String assemble(Element instructions, String pcAttrName,
- ClassSyntax.GetCPIndex getCPI) {
- return InstructionAssembler.assemble(instructions, pcAttrName, getCPI);
- }
-}