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Fixed #2162 Debugger - ignore (warn) invalid jumps when injecting debug info

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Jindra Petřík
2023-12-21 18:43:03 +01:00
parent 3b9f72b7f8
commit 0ff4cd1f6c
2 changed files with 27 additions and 9 deletions
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34
libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/abc/ScriptPack.java
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@@ -544,6 +544,7 @@ public class ScriptPack extends AS3ClassTreeItem {
}
for (int bodyIndex : bodyToPosToLine.keySet()) {
System.err.println("bi="+bodyIndex);
List<AVM2Instruction> delIns = new ArrayList<>();
MethodBody b = abc.bodies.get(bodyIndex);
@@ -605,6 +606,9 @@ public class ScriptPack extends AS3ClassTreeItem {
if (addedLines.contains(line)) {
continue;
}
if (!origPosToNewPos.containsKey(i + dpos)) {
continue;
}
addedLines.add(line);
logger.log(Level.FINE, "Script {0}: Insert debugline({1}) at pos {2} to body {3}", new Object[]{path, line, i, bodyIndex});
code2.add(origPosToNewPos.get(i + dpos), new AVM2Instruction(0, AVM2Instructions.DebugLine, new int[]{line}));
@@ -634,20 +638,32 @@ public class ScriptPack extends AS3ClassTreeItem {
int changedOperand;
if (ins.definition instanceof IfTypeIns) {
targetAddr = ins.getTargetAddress();
changedAddr = mapOffsets.get(targetAddr);
changedOperand = (int) (changedAddr - adr - 4);
ins.operands[0] = changedOperand;
if (mapOffsets.containsKey(targetAddr)) {
changedAddr = mapOffsets.get(targetAddr);
changedOperand = (int) (changedAddr - adr - 4);
ins.operands[0] = changedOperand;
} else {
logger.log(Level.WARNING, "Invalid jump target in script {0}, bodyIndex {1}", new Object[]{toString(), bodyIndex});
}
}
if (ins.definition instanceof LookupSwitchIns) {
targetAddr = ins.getAddress() + ins.operands[0];
changedAddr = mapOffsets.get(targetAddr);
changedOperand = (int) (changedAddr - adr);
ins.operands[0] = changedOperand;
for (int k = 2; k < ins.operands.length; k++) {
targetAddr = ins.getAddress() + ins.operands[k];
if (mapOffsets.containsKey(targetAddr)) {
changedAddr = mapOffsets.get(targetAddr);
changedOperand = (int) (changedAddr - adr);
ins.operands[k] = changedOperand;
ins.operands[0] = changedOperand;
} else {
logger.log(Level.WARNING, "Invalid jump target in script {0}, bodyIndex {1}", new Object[]{toString(), bodyIndex});
}
for (int k = 2; k < ins.operands.length; k++) {
targetAddr = ins.getAddress() + ins.operands[k];
if (mapOffsets.containsKey(targetAddr)) {
changedAddr = mapOffsets.get(targetAddr);
changedOperand = (int) (changedAddr - adr);
ins.operands[k] = changedOperand;
} else {
logger.log(Level.WARNING, "Invalid jump target in script {0}, bodyIndex {1}", new Object[]{toString(), bodyIndex});
}
}
}
ins.setAddress(adr);