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DebugInjector: types recognition using dexlib code analyzer.

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This commit is contained in:
Ryszard Wiśniewski 2010-04-29 22:20:44 +02:00
parent d459a4bb8b
commit e6d2e9c605
2 changed files with 80 additions and 77 deletions
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152
src/brut/androlib/src/DebugInjector.java
View File

@ -17,7 +17,10 @@
package brut.androlib.src;
import brut.androlib.AndrolibException;
import java.util.ListIterator;
import java.util.*;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import org.jf.dexlib.Code.Analysis.RegisterType;
import org.jf.dexlib.Code.Opcode;
/**
@ -76,7 +79,7 @@ public class DebugInjector {
switch (line.charAt(0)) {
case '#':
return false;
return processComment(line);
case ':':
append(line);
return false;
@ -87,6 +90,72 @@ public class DebugInjector {
}
}
private boolean processComment(String line) {
if (mFirstInstruction) {
return false;
}
Matcher m = REGISTER_INFO_PATTERN.matcher(line);
while (m.find()) {
String localName = m.group(1);
String localType = null;
switch (RegisterType.Category.valueOf(m.group(2))) {
case Reference:
case Null:
case UninitRef:
case UninitThis:
localType = "Ljava/lang/Object;";
break;
case Boolean:
localType = "Z";
break;
case Integer:
case One:
case Unknown:
localType = "I";
break;
case Uninit:
case Conflicted:
if (mInitializedRegisters.remove(localName)) {
mOut.append(".end local ").append(localName)
.append('\n');
}
continue;
case Short:
case PosShort:
localType = "S";
break;
case Byte:
case PosByte:
localType = "B";
break;
case Char:
localType = "C";
break;
case Float:
localType = "F";
break;
case LongHi:
case LongLo:
localType = "J";
break;
case DoubleHi:
case DoubleLo:
localType = "D";
break;
default:
assert false;
}
mInitializedRegisters.add(localName);
mOut.append(".local ").append(localName).append(", ")
.append(localName).append(':').append(localType).append('\n');
}
return false;
}
private boolean processDirective(String line) {
String line2 = line.substring(1);
if (
@ -126,84 +195,9 @@ public class DebugInjector {
mOut.append(".line ").append(mIt.nextIndex()).append('\n')
.append(line).append('\n');
int pos = line.indexOf(' ');
if (pos == -1) {
return false;
}
Opcode opcode = Opcode.getOpcodeByName(line.substring(0, pos));
if (! opcode.setsRegister()) {
return false;
}
int pos2 = line.indexOf(',', pos);
String register = pos2 == -1 ? line.substring(pos + 1) :
line.substring(pos + 1, pos2);
mOut.append(".local ").append(register).append(", ").append(register)
.append(':').append(getRegisterTypeForOpcode(opcode)).append('\n');
return false;
}
private String getRegisterTypeForOpcode(Opcode opcode) {
switch (opcode.value) {
case (byte)0x0d: // ?
case (byte)0x1a:
case (byte)0x1b:
case (byte)0x1c: // ?
case (byte)0x22:
case (byte)0x23: // ?
case (byte)0xf4: // ?
return "Ljava/lang/Object;";
case (byte)0x1f: // ?
case (byte)0x20: // ?
return "Z";
case (byte)0x21: // ?
return "I";
}
String name = opcode.name;
int pos = name.lastIndexOf('-');
if (pos != -1) {
int pos2 = name.indexOf('/');
String type = pos2 == -1 ? name.substring(pos + 1) :
name.substring(pos + 1, pos2);
if (type.equals("object")) {
return "Ljava/lang/Object;";
}
if (type.equals("int")) {
return "I";
}
if (type.equals("boolean")) {
return "Z";
}
if (type.equals("float")) {
return "F";
}
if (type.equals("double")) {
return "D";
}
if (type.equals("long")) {
return "J";
}
if (type.equals("byte")) {
return "B";
}
if (type.equals("char")) {
return "C";
}
if (type.equals("short")) {
return "S";
}
if (type.equals("long")) {
return "J";
}
}
return "I";
}
private String next() {
return mIt.next().trim();
}
@ -222,4 +216,8 @@ public class DebugInjector {
private final StringBuilder mOut;
private boolean mFirstInstruction = true;
private final Set<String> mInitializedRegisters = new HashSet<String>();
private static final Pattern REGISTER_INFO_PATTERN =
Pattern.compile("((?:p|v)\\d+)=\\(([^)]+)\\);");
}

5
src/brut/androlib/src/SmaliDecoder.java
View File

@ -22,6 +22,7 @@ import java.io.*;
import org.jf.baksmali.Adaptors.ClassDefinition;
import org.jf.baksmali.baksmali;
import org.jf.dexlib.ClassDefItem;
import org.jf.dexlib.Code.Analysis.ClassPath;
import org.jf.dexlib.DexFile;
/**
@ -44,6 +45,10 @@ public class SmaliDecoder {
try {
baksmali.useLocalsDirective = true;
baksmali.useSequentialLabels = true;
if (mDebug) {
baksmali.registerInfo = org.jf.baksmali.main.DIFFPRE;
ClassPath.dontLoadClassPath = true;
}
DexFile dexFile = new DexFile(mApkFile);
for (ClassDefItem classDefItem :