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ghidra: add support for osx and windows

develop
Ben Lubar 2020-03-16 17:50:27 -05:00
parent ee0cb94312
commit 137d173d67
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GPG Key ID: 92939677AB59EDA4
1 changed files with 41 additions and 12 deletions
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53
reversing/import_df_structures.java
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@ -5,13 +5,11 @@ import java.util.*;
import javax.xml.stream.*; import javax.xml.stream.*;
import ghidra.app.script.*; import ghidra.app.script.*;
import ghidra.program.model.address.Address; import ghidra.program.model.address.*;
import ghidra.program.model.address.AddressRangeImpl;
import ghidra.program.model.address.AddressSet;
import ghidra.program.model.data.*; import ghidra.program.model.data.*;
import ghidra.program.model.listing.*; import ghidra.program.model.listing.*;
import ghidra.program.model.symbol.SourceType; import ghidra.program.model.symbol.*;
import ghidra.program.model.util.CodeUnitInsertionException; import ghidra.program.model.util.*;
import ghidra.util.task.*; import ghidra.util.task.*;
public class import_df_structures extends GhidraScript public class import_df_structures extends GhidraScript
@ -34,6 +32,7 @@ public class import_df_structures extends GhidraScript
private DataType dtInt8, dtInt16, dtInt32, dtInt64; private DataType dtInt8, dtInt16, dtInt32, dtInt64;
private DataType dtInt, dtLong, dtSizeT; private DataType dtInt, dtLong, dtSizeT;
private DataType dtString, dtFStream, dtVectorBool, dtBitArray, dtSet, dtDeque; private DataType dtString, dtFStream, dtVectorBool, dtBitArray, dtSet, dtDeque;
private int baseClassPadding;
@Override @Override
protected void run() throws Exception protected void run() throws Exception
@ -146,6 +145,7 @@ public class import_df_structures extends GhidraScript
switch (currentProgram.getExecutableFormat()) switch (currentProgram.getExecutableFormat())
{ {
case "Executable and Linking Format (ELF)": case "Executable and Linking Format (ELF)":
case "Mac OS X Mach-O":
var rep = new StructureDataType("_string_rep", 0); var rep = new StructureDataType("_string_rep", 0);
rep.setToDefaultAlignment(); rep.setToDefaultAlignment();
rep.add(dtSizeT, "_M_length", null); rep.add(dtSizeT, "_M_length", null);
@ -189,6 +189,33 @@ public class import_df_structures extends GhidraScript
dequeDataType.setMinimumAlignment(currentProgram.getDefaultPointerSize()); dequeDataType.setMinimumAlignment(currentProgram.getDefaultPointerSize());
dequeDataType.add(Undefined.getUndefinedDataType(10 * currentProgram.getDefaultPointerSize())); dequeDataType.add(Undefined.getUndefinedDataType(10 * currentProgram.getDefaultPointerSize()));
this.baseClassPadding = 1;
break;
case "Portable Executable (PE)":
var stringVal = new UnionDataType("_string_val");
stringVal.setToDefaultAlignment();
stringVal.add(StringDataType.dataType, 16, "_Buf", null);
stringVal.add(dtm.getPointer(TerminatedStringDataType.dataType, currentProgram.getDefaultPointerSize()), "_Ptr", null);
stringDataType.add(createDataType(dtcStd, stringVal), "_Bx", null);
stringDataType.add(dtSizeT, "_Mysize", null);
stringDataType.add(dtSizeT, "_Myres", null);
bitVecDataType.setMinimumAlignment(currentProgram.getDefaultPointerSize());
bitVecDataType.add(Undefined.getUndefinedDataType(4 * currentProgram.getDefaultPointerSize()));
fStreamDataType.setMinimumAlignment(currentProgram.getDefaultPointerSize());
fStreamDataType.add(Undefined.getUndefinedDataType(22 * currentProgram.getDefaultPointerSize() + 96));
setDataType.setMinimumAlignment(currentProgram.getDefaultPointerSize());
setDataType.add(Undefined.getUndefinedDataType(2 * currentProgram.getDefaultPointerSize()));
dequeDataType.setMinimumAlignment(currentProgram.getDefaultPointerSize());
dequeDataType.add(Undefined.getUndefinedDataType(5 * currentProgram.getDefaultPointerSize()));
this.baseClassPadding = currentProgram.getDefaultPointerSize();
break; break;
default: default:
throw new Exception("unexpected exe format " + currentProgram.getExecutableFormat()); throw new Exception("unexpected exe format " + currentProgram.getExecutableFormat());
@ -1039,7 +1066,11 @@ public class import_df_structures extends GhidraScript
{ {
addStructFields(st, codegen.typesByName.get(t.inheritsFrom)); addStructFields(st, codegen.typesByName.get(t.inheritsFrom));
// TODO: add base class padding if needed int pastAlignment = st.getLength() % this.baseClassPadding;
if (pastAlignment != 0)
{
st.add(new ArrayDataType(Undefined1DataType.dataType, this.baseClassPadding - pastAlignment, 1), null, "base class padding for " + t.typeName);
}
} }
for (var f : t.fields) for (var f : t.fields)
@ -1173,10 +1204,6 @@ public class import_df_structures extends GhidraScript
var st = currentProgram.getSymbolTable(); var st = currentProgram.getSymbolTable();
var syms = st.getSymbols(e.getAddress()); var syms = st.getSymbols(e.getAddress());
printerr("overlapping " + e.getDataType().getName() + " " + (syms.length > 0 ? syms[0].getName() : "(unnamed)")); printerr("overlapping " + e.getDataType().getName() + " " + (syms.length > 0 ? syms[0].getName() : "(unnamed)"));
if (e.getDataType().getName().startsWith("vector<"))
{
listing.clearCodeUnits(e.getMinAddress(), e.getMaxAddress(), false, monitor);
}
} }
} }
@ -1208,9 +1235,11 @@ public class import_df_structures extends GhidraScript
if (dt == null) if (dt == null)
continue; continue;
long offset = vt.hasOffset ? vt.offset : 0;
if (vt.hasValue) if (vt.hasValue)
{ {
labelData(toAddr(vt.value), dt, dt.getName(), 0); labelData(toAddr(vt.value + offset), dt, dt.getName(), 0);
} }
if (vt.hasMangledName) if (vt.hasMangledName)
@ -1221,7 +1250,7 @@ public class import_df_structures extends GhidraScript
for (var s : syms) for (var s : syms)
{ {
labelData(s.getAddress(), dt, dt.getName(), 0); labelData(s.getAddress().add(offset), dt, dt.getName(), 0);
} }
} }
} }