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https://github.com/NationalSecurityAgency/ghidra
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5 Commits
04804fc1c3
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fea7544703
Author | SHA1 | Date | |
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fea7544703 | ||
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93eed8011c | ||
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3cffe5c168 | ||
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b78c975ee3 | ||
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5963669eac |
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@ -21,20 +21,35 @@ import ghidra.app.util.bin.StructConverter;
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import ghidra.program.model.data.DataType;
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import ghidra.program.model.data.DataType;
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import ghidra.util.exception.DuplicateNameException;
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import ghidra.util.exception.DuplicateNameException;
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/**
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* An OMF value that is either 2 or 4 bytes
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*/
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public class Omf2or4 implements StructConverter {
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public class Omf2or4 implements StructConverter {
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private int length;
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private int length;
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private long value;
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private long value;
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/**
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* Creates a new {@link Omf2or4}
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*
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* @param length 2 or 4
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* @param value The 2 or 4 byte value
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*/
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public Omf2or4(int length, long value) {
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public Omf2or4(int length, long value) {
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this.length = length;
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this.length = length;
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this.value = value;
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this.value = value;
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}
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}
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/**
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* {@return the length of the value (2 or 4)}
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*/
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public int length() {
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public int length() {
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return length;
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return length;
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}
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}
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/**
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* {@return the value}
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*/
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public long value() {
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public long value() {
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return value;
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return value;
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}
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}
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@ -15,8 +15,16 @@
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*/
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*/
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package ghidra.app.util.bin.format.omf;
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package ghidra.app.util.bin.format.omf;
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/**
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* An {@link Exception} used to indicate there was a problem parsing an OMF record
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*/
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public class OmfException extends Exception {
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public class OmfException extends Exception {
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/**
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* Creates a new {@link OmfException}
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*
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* @param message The exception message
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*/
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public OmfException(String message) {
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public OmfException(String message) {
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super(message);
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super(message);
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}
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}
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@ -21,20 +21,35 @@ import ghidra.app.util.bin.StructConverter;
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import ghidra.program.model.data.DataType;
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import ghidra.program.model.data.DataType;
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import ghidra.util.exception.DuplicateNameException;
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import ghidra.util.exception.DuplicateNameException;
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/**
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* An OMF index that is either 1 or 2 bytes
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*/
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public class OmfIndex implements StructConverter {
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public class OmfIndex implements StructConverter {
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private int length;
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private int length;
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private int value;
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private int value;
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/**
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* Creates a new {@link OmfIndex}
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*
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* @param length 1 or 2
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* @param value The 1 or 2 byte index value
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*/
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public OmfIndex(int length, int value) {
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public OmfIndex(int length, int value) {
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this.length = length;
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this.length = length;
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this.value = value;
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this.value = value;
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}
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}
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/**
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* {@return the length of the index (1 or 2)}
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*/
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public int length() {
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public int length() {
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return length;
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return length;
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}
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}
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/**
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* {@return the index value}
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*/
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public int value() {
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public int value() {
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return value;
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return value;
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}
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}
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@ -18,6 +18,9 @@ package ghidra.app.util.bin.format.omf;
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import java.io.IOException;
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import java.io.IOException;
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import ghidra.app.util.bin.BinaryReader;
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import ghidra.app.util.bin.BinaryReader;
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import ghidra.app.util.bin.format.omf.omf.OmfRecordTypes;
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import ghidra.program.model.data.DataType;
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import ghidra.util.exception.DuplicateNameException;
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public class OmfObsoleteRecord extends OmfRecord {
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public class OmfObsoleteRecord extends OmfRecord {
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@ -31,4 +34,9 @@ public class OmfObsoleteRecord extends OmfRecord {
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readRecordHeader(reader);
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readRecordHeader(reader);
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reader.setPointerIndex(reader.getPointerIndex() + getRecordLength());
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reader.setPointerIndex(reader.getPointerIndex() + getRecordLength());
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}
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}
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@Override
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public DataType toDataType() throws DuplicateNameException, IOException {
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return OmfUtils.toOmfRecordDataType(this, OmfRecordTypes.getName(recordType));
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}
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}
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}
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@ -16,258 +16,111 @@
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package ghidra.app.util.bin.format.omf;
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package ghidra.app.util.bin.format.omf;
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import java.io.IOException;
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import java.io.IOException;
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import java.lang.reflect.Field;
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import java.lang.reflect.Modifier;
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import ghidra.app.util.bin.BinaryReader;
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import ghidra.app.util.bin.BinaryReader;
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import ghidra.app.util.bin.StructConverter;
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import ghidra.app.util.bin.StructConverter;
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import ghidra.program.model.data.*;
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import ghidra.program.model.data.DataType;
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||||||
import ghidra.util.exception.DuplicateNameException;
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import ghidra.util.exception.DuplicateNameException;
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||||||
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/**
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* A generic OMF record
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||||||
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*/
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||||||
public abstract class OmfRecord implements StructConverter {
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public abstract class OmfRecord implements StructConverter {
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public final static byte RHEADR = (byte) 0x6E; // Obsolete
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public final static byte REGINT = (byte) 0x70; // Obsolete
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public final static byte REDATA = (byte) 0x72; // Obsolete
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public final static byte RIDATA = (byte) 0x74; // Obsolete
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||||||
public final static byte OVLDEF = (byte) 0x76; // Obsolete
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|
||||||
public final static byte ENDREC = (byte) 0x78; // Obsolete
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||||||
public final static byte BLKDEF = (byte) 0x7A; // Obsolete
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||||||
public final static byte BLKEND = (byte) 0x7C; // Obsolete
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public final static byte DEBSYM = (byte) 0x7E; // Obsolete
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public final static byte THEADR = (byte) 0x80;
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public final static byte LHEADR = (byte) 0x82;
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public final static byte PEDATA = (byte) 0x84; // Obsolete
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public final static byte PIDATA = (byte) 0x86; // Obsolete
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||||||
public final static byte COMENT = (byte) 0x88;
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||||||
public final static byte MODEND = (byte) 0x8A;
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public final static byte EXTDEF = (byte) 0x8C;
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public final static byte TYPDEF = (byte) 0x8E; // Obsolete
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||||||
public final static byte PUBDEF = (byte) 0x90;
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public final static byte LOCSYM = (byte) 0x92; // Obsolete
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public final static byte LINNUM = (byte) 0x94;
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public final static byte LNAMES = (byte) 0x96;
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public final static byte SEGDEF = (byte) 0x98;
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public final static byte GRPDEF = (byte) 0x9A;
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||||||
public final static byte FIXUPP = (byte) 0x9C;
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||||||
public final static byte LEDATA = (byte) 0xA0;
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|
||||||
public final static byte LIDATA = (byte) 0xA2;
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||||||
public final static byte LIBHED = (byte) 0xA4; // Obsolete
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||||||
public final static byte LIBNAM = (byte) 0xA6; // Obsolete
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public final static byte LIBLOC = (byte) 0xA8; // Obsolete
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|
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public final static byte LIBDIC = (byte) 0xAA; // Obsolete
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|
||||||
public final static byte COMDEF = (byte) 0xB0;
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|
||||||
public final static byte BAKPAT = (byte) 0xB2;
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public final static byte LEXTDEF = (byte) 0xB4;
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||||||
public final static byte LPUBDEF = (byte) 0xB6;
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|
||||||
public final static byte LCOMDEF = (byte) 0xB8;
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|
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public final static byte CEXTDEF = (byte) 0xBC;
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||||||
public final static byte COMDAT = (byte) 0xC2;
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public final static byte LINSYM = (byte) 0xC4;
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public final static byte ALIAS = (byte) 0xC6;
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public final static byte NBKPAT = (byte) 0xC8;
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public final static byte LLNAMES = (byte) 0xCA;
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public final static byte VERNUM = (byte) 0xCC;
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|
||||||
public final static byte VENDEXT = (byte) 0xCE;
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|
||||||
public final static byte START = (byte) 0xF0;
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|
||||||
public final static byte END = (byte) 0xF1;
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||||||
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protected static final String CATEGORY_PATH = "/OMF";
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protected int recordType;
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||||||
protected byte recordType;
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|
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protected int recordLength;
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protected int recordLength;
|
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protected long recordOffset;
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|
||||||
protected byte checkSum;
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protected byte checkSum;
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||||||
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|
||||||
public byte getRecordType() {
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protected long recordOffset;
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return recordType;
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|
||||||
}
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|
||||||
|
|
||||||
public int getRecordLength() {
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|
||||||
return recordLength;
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|
||||||
}
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|
||||||
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|
||||||
public long getRecordOffset() {
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||||||
return recordOffset;
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|
||||||
}
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|
||||||
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||||||
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/**
|
||||||
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* Reads the record header (type and length fields)
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||||||
|
*
|
||||||
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* @param reader A {@link BinaryReader} positioned at the start of the record
|
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* @throws IOException if an IO-related problem occurred
|
||||||
|
*/
|
||||||
public void readRecordHeader(BinaryReader reader) throws IOException {
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public void readRecordHeader(BinaryReader reader) throws IOException {
|
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recordOffset = reader.getPointerIndex();
|
recordOffset = reader.getPointerIndex();
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recordType = reader.readNextByte();
|
recordType = reader.readNextUnsignedByte();
|
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recordLength = reader.readNextShort() & 0xffff;
|
recordLength = reader.readNextUnsignedShort();
|
||||||
}
|
}
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||||||
|
|
||||||
|
/**
|
||||||
|
* Reads the record checksum
|
||||||
|
*
|
||||||
|
* @param reader A {@link BinaryReader} positioned at the start of the record checksum
|
||||||
|
* @throws IOException if an IO-related problem occurred
|
||||||
|
*/
|
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public void readCheckSumByte(BinaryReader reader) throws IOException {
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public void readCheckSumByte(BinaryReader reader) throws IOException {
|
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checkSum = reader.readNextByte();
|
checkSum = reader.readNextByte();
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* {@return the record type}
|
||||||
|
*/
|
||||||
|
public int getRecordType() {
|
||||||
|
return recordType;
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* {@return the record length}
|
||||||
|
*/
|
||||||
|
public int getRecordLength() {
|
||||||
|
return recordLength;
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* {@return the record offset}
|
||||||
|
*/
|
||||||
|
public long getRecordOffset() {
|
||||||
|
return recordOffset;
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Computes the record's checksum
|
||||||
|
*
|
||||||
|
* @param reader A {@link BinaryReader} positioned at the start of record
|
||||||
|
* @return The record's checksum
|
||||||
|
* @throws IOException if an IO-related error occurred
|
||||||
|
*/
|
||||||
public byte calcCheckSum(BinaryReader reader) throws IOException {
|
public byte calcCheckSum(BinaryReader reader) throws IOException {
|
||||||
byte res = reader.readNextByte();
|
byte res = reader.readNextByte();
|
||||||
res += reader.readNextByte();
|
res += reader.readNextByte();
|
||||||
res += reader.readNextByte(); // Sum the record header bytes
|
res += reader.readNextByte(); // Sum the record header bytes
|
||||||
for (int i = 0; i < recordLength; ++i)
|
for (int i = 0; i < recordLength; ++i) {
|
||||||
res += reader.readNextByte();
|
res += reader.readNextByte();
|
||||||
|
}
|
||||||
return res;
|
return res;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Validates the record's checksum
|
||||||
|
*
|
||||||
|
* @param reader A {@link BinaryReader} positioned at the start of the record
|
||||||
|
* @return True if the checksum is valid; otherwise, false
|
||||||
|
* @throws IOException if an IO-related error occurred
|
||||||
|
*/
|
||||||
public boolean validCheckSum(BinaryReader reader) throws IOException {
|
public boolean validCheckSum(BinaryReader reader) throws IOException {
|
||||||
if (checkSum == 0)
|
if (checkSum == 0) {
|
||||||
return true; // Sum compilers just set this to zero
|
// Some compilers just set this to zero
|
||||||
|
return true;
|
||||||
|
}
|
||||||
return (calcCheckSum(reader) == 0);
|
return (calcCheckSum(reader) == 0);
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* {@return true if this record has big fields; otherwise, false}
|
||||||
|
*/
|
||||||
public boolean hasBigFields() {
|
public boolean hasBigFields() {
|
||||||
return ((recordType & 1) != 0);
|
return ((recordType & 1) != 0);
|
||||||
}
|
}
|
||||||
|
|
||||||
public static int readInt1Or2(BinaryReader reader, boolean isBig) throws IOException {
|
@Override
|
||||||
if (isBig)
|
public abstract DataType toDataType() throws DuplicateNameException, IOException;
|
||||||
return (reader.readNextShort() & 0xffff);
|
|
||||||
return (reader.readNextByte() & 0xff);
|
|
||||||
}
|
|
||||||
|
|
||||||
public static Omf2or4 readInt2Or4(BinaryReader reader, boolean isBig) throws IOException {
|
|
||||||
if (isBig) {
|
|
||||||
return new Omf2or4(4, reader.readNextInt());
|
|
||||||
}
|
|
||||||
return new Omf2or4(2, reader.readNextUnsignedShort());
|
|
||||||
}
|
|
||||||
|
|
||||||
public static OmfIndex readIndex(BinaryReader reader) throws IOException {
|
|
||||||
int length;
|
|
||||||
int indexWord;
|
|
||||||
byte firstByte = reader.readNextByte();
|
|
||||||
if ((firstByte & 0x80) != 0) {
|
|
||||||
indexWord = (firstByte & 0x7f) * 0x100 + (reader.readNextByte() & 0xff);
|
|
||||||
length = 2;
|
|
||||||
}
|
|
||||||
else {
|
|
||||||
indexWord = firstByte;
|
|
||||||
length = 1;
|
|
||||||
}
|
|
||||||
return new OmfIndex(length, indexWord);
|
|
||||||
}
|
|
||||||
|
|
||||||
public static OmfRecord readRecord(BinaryReader reader) throws IOException, OmfException {
|
|
||||||
byte type = reader.peekNextByte();
|
|
||||||
type &= 0xfe; // Mask off the least significant bit (16/32 bit flag)
|
|
||||||
return switch (type) {
|
|
||||||
case THEADR:
|
|
||||||
case LHEADR:
|
|
||||||
yield new OmfFileHeader(reader);
|
|
||||||
case COMENT:
|
|
||||||
yield new OmfCommentRecord(reader);
|
|
||||||
case MODEND:
|
|
||||||
yield new OmfModuleEnd(reader);
|
|
||||||
case EXTDEF:
|
|
||||||
yield new OmfExternalSymbol(reader, false);
|
|
||||||
case PUBDEF:
|
|
||||||
yield new OmfSymbolRecord(reader, false);
|
|
||||||
case LNAMES:
|
|
||||||
yield new OmfNamesRecord(reader);
|
|
||||||
case SEGDEF:
|
|
||||||
yield new OmfSegmentHeader(reader);
|
|
||||||
case GRPDEF:
|
|
||||||
yield new OmfGroupRecord(reader);
|
|
||||||
case FIXUPP:
|
|
||||||
yield new OmfFixupRecord(reader);
|
|
||||||
case LEDATA:
|
|
||||||
yield new OmfEnumeratedData(reader);
|
|
||||||
case LIDATA:
|
|
||||||
yield new OmfIteratedData(reader);
|
|
||||||
case COMDEF:
|
|
||||||
yield new OmfComdefRecord(reader, false);
|
|
||||||
case LEXTDEF:
|
|
||||||
yield new OmfExternalSymbol(reader, true);
|
|
||||||
case LPUBDEF:
|
|
||||||
yield new OmfSymbolRecord(reader, true);
|
|
||||||
case LCOMDEF:
|
|
||||||
yield new OmfComdefRecord(reader, true);
|
|
||||||
case CEXTDEF:
|
|
||||||
yield new OmfComdatExternalSymbol(reader);
|
|
||||||
case RHEADR:
|
|
||||||
case REGINT:
|
|
||||||
case REDATA:
|
|
||||||
case RIDATA:
|
|
||||||
case OVLDEF:
|
|
||||||
case ENDREC:
|
|
||||||
case BLKDEF:
|
|
||||||
case BLKEND:
|
|
||||||
case DEBSYM:
|
|
||||||
case LINNUM:
|
|
||||||
case PEDATA:
|
|
||||||
case PIDATA:
|
|
||||||
case LIBHED:
|
|
||||||
case LIBNAM:
|
|
||||||
case LIBLOC:
|
|
||||||
case LIBDIC:
|
|
||||||
yield new OmfObsoleteRecord(reader);
|
|
||||||
case LOCSYM:
|
|
||||||
case TYPDEF:
|
|
||||||
case COMDAT:
|
|
||||||
case LINSYM:
|
|
||||||
case ALIAS:
|
|
||||||
case BAKPAT:
|
|
||||||
case NBKPAT:
|
|
||||||
case LLNAMES:
|
|
||||||
case VERNUM:
|
|
||||||
case VENDEXT:
|
|
||||||
yield new OmfUnsupportedRecord(reader);
|
|
||||||
default:
|
|
||||||
yield new OmfUnknownRecord(reader);
|
|
||||||
};
|
|
||||||
}
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Read the OMF string format: 1-byte length, followed by that many ascii characters
|
|
||||||
*
|
|
||||||
* @param reader A {@link BinaryReader} positioned at the start of the string
|
|
||||||
* @return the read OMF string
|
|
||||||
* @throws IOException if an IO-related error occurred
|
|
||||||
*/
|
|
||||||
public static OmfString readString(BinaryReader reader) throws IOException {
|
|
||||||
int count = reader.readNextByte() & 0xff;
|
|
||||||
return new OmfString(count, reader.readNextAsciiString(count));
|
|
||||||
}
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Gets the name of the given record type
|
|
||||||
*
|
|
||||||
* @param type The record type
|
|
||||||
* @return The name of the given record type
|
|
||||||
*/
|
|
||||||
public final static String getRecordName(int type) {
|
|
||||||
for (Field field : OmfRecord.class.getDeclaredFields()) {
|
|
||||||
int modifiers = field.getModifiers();
|
|
||||||
if (Modifier.isFinal(modifiers) && Modifier.isStatic(modifiers)) {
|
|
||||||
try {
|
|
||||||
Byte value = (Byte) field.get(null);
|
|
||||||
if (type == value) {
|
|
||||||
return field.getName();
|
|
||||||
}
|
|
||||||
}
|
|
||||||
catch (Exception e) {
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
return "<UNKNOWN>";
|
|
||||||
}
|
|
||||||
|
|
||||||
@Override
|
@Override
|
||||||
public String toString() {
|
public String toString() {
|
||||||
return String.format("name: %s, type: 0x%x, offset: 0x%x, length: 0x%x",
|
return String.format("type: 0x%x, offset: 0x%x, length: 0x%x", recordType, recordOffset,
|
||||||
getRecordName(recordType & (byte) 0xfe), recordType, recordOffset, recordLength);
|
recordLength);
|
||||||
}
|
|
||||||
|
|
||||||
@Override
|
|
||||||
public DataType toDataType() throws DuplicateNameException, IOException {
|
|
||||||
StructureDataType struct = new StructureDataType(getRecordName(getRecordType()), 0);
|
|
||||||
struct.add(BYTE, "type", null);
|
|
||||||
struct.add(WORD, "length", null);
|
|
||||||
struct.add(new ArrayDataType(BYTE, getRecordLength() - 1, 1), "contents", null);
|
|
||||||
struct.add(BYTE, "checksum", null);
|
|
||||||
|
|
||||||
struct.setCategoryPath(new CategoryPath(CATEGORY_PATH));
|
|
||||||
return struct;
|
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
|
@ -21,20 +21,35 @@ import ghidra.app.util.bin.StructConverter;
|
||||||
import ghidra.program.model.data.*;
|
import ghidra.program.model.data.*;
|
||||||
import ghidra.util.exception.DuplicateNameException;
|
import ghidra.util.exception.DuplicateNameException;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* An variable length OMF string
|
||||||
|
*/
|
||||||
public class OmfString implements StructConverter {
|
public class OmfString implements StructConverter {
|
||||||
|
|
||||||
private int length;
|
private int length;
|
||||||
private String str;
|
private String str;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Creates a new {@link OmfString}
|
||||||
|
*
|
||||||
|
* @param length The length of the string
|
||||||
|
* @param str The string
|
||||||
|
*/
|
||||||
public OmfString(int length, String str) {
|
public OmfString(int length, String str) {
|
||||||
this.length = length;
|
this.length = length;
|
||||||
this.str = str;
|
this.str = str;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* {@return the length of the string}
|
||||||
|
*/
|
||||||
public int length() {
|
public int length() {
|
||||||
return length;
|
return length;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* {@return the string}
|
||||||
|
*/
|
||||||
public String str() {
|
public String str() {
|
||||||
return str;
|
return str;
|
||||||
}
|
}
|
||||||
|
@ -48,7 +63,7 @@ public class OmfString implements StructConverter {
|
||||||
StructureDataType struct = new StructureDataType("OmfString", 0);
|
StructureDataType struct = new StructureDataType("OmfString", 0);
|
||||||
struct.add(BYTE, "length", "");
|
struct.add(BYTE, "length", "");
|
||||||
struct.add(new StringDataType(), length, "str", null);
|
struct.add(new StringDataType(), length, "str", null);
|
||||||
struct.setCategoryPath(new CategoryPath(OmfRecord.CATEGORY_PATH));
|
struct.setCategoryPath(new CategoryPath(OmfUtils.CATEGORY_PATH));
|
||||||
return struct;
|
return struct;
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
|
@ -18,7 +18,13 @@ package ghidra.app.util.bin.format.omf;
|
||||||
import java.io.IOException;
|
import java.io.IOException;
|
||||||
|
|
||||||
import ghidra.app.util.bin.BinaryReader;
|
import ghidra.app.util.bin.BinaryReader;
|
||||||
|
import ghidra.app.util.bin.format.omf.omf.OmfRecordTypes;
|
||||||
|
import ghidra.program.model.data.DataType;
|
||||||
|
import ghidra.util.exception.DuplicateNameException;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* An unknown OMF record
|
||||||
|
*/
|
||||||
public class OmfUnknownRecord extends OmfRecord {
|
public class OmfUnknownRecord extends OmfRecord {
|
||||||
|
|
||||||
/**
|
/**
|
||||||
|
@ -31,4 +37,9 @@ public class OmfUnknownRecord extends OmfRecord {
|
||||||
readRecordHeader(reader);
|
readRecordHeader(reader);
|
||||||
reader.setPointerIndex(reader.getPointerIndex() + getRecordLength());
|
reader.setPointerIndex(reader.getPointerIndex() + getRecordLength());
|
||||||
}
|
}
|
||||||
|
|
||||||
|
@Override
|
||||||
|
public DataType toDataType() throws DuplicateNameException, IOException {
|
||||||
|
return OmfUtils.toOmfRecordDataType(this, OmfRecordTypes.getName(recordType));
|
||||||
|
}
|
||||||
}
|
}
|
||||||
|
|
|
@ -18,17 +18,32 @@ package ghidra.app.util.bin.format.omf;
|
||||||
import java.io.IOException;
|
import java.io.IOException;
|
||||||
|
|
||||||
import ghidra.app.util.bin.BinaryReader;
|
import ghidra.app.util.bin.BinaryReader;
|
||||||
|
import ghidra.program.model.data.DataType;
|
||||||
|
import ghidra.util.exception.DuplicateNameException;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* A known but currently unsupported OMF record
|
||||||
|
*/
|
||||||
public class OmfUnsupportedRecord extends OmfRecord {
|
public class OmfUnsupportedRecord extends OmfRecord {
|
||||||
|
|
||||||
|
private Class<?> recordTypesClass;
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* Create a new {@link OmfUnsupportedRecord}
|
* Create a new {@link OmfUnsupportedRecord}
|
||||||
*
|
*
|
||||||
* @param reader A {@link BinaryReader} positioned at the start of the record
|
* @param reader A {@link BinaryReader} positioned at the start of the record
|
||||||
|
* @param recordTypesClass The class that contains accessible OMF type fields
|
||||||
* @throws IOException If an IO-related error occurred
|
* @throws IOException If an IO-related error occurred
|
||||||
*/
|
*/
|
||||||
public OmfUnsupportedRecord(BinaryReader reader) throws IOException {
|
public OmfUnsupportedRecord(BinaryReader reader, Class<?> recordTypesClass) throws IOException {
|
||||||
|
this.recordTypesClass = recordTypesClass;
|
||||||
readRecordHeader(reader);
|
readRecordHeader(reader);
|
||||||
reader.setPointerIndex(reader.getPointerIndex() + getRecordLength());
|
reader.setPointerIndex(reader.getPointerIndex() + getRecordLength());
|
||||||
}
|
}
|
||||||
|
|
||||||
|
@Override
|
||||||
|
public DataType toDataType() throws DuplicateNameException, IOException {
|
||||||
|
return OmfUtils.toOmfRecordDataType(this,
|
||||||
|
OmfUtils.getRecordName(recordType, recordTypesClass));
|
||||||
|
}
|
||||||
}
|
}
|
||||||
|
|
|
@ -0,0 +1,108 @@
|
||||||
|
/* ###
|
||||||
|
* IP: GHIDRA
|
||||||
|
*
|
||||||
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
||||||
|
* you may not use this file except in compliance with the License.
|
||||||
|
* You may obtain a copy of the License at
|
||||||
|
*
|
||||||
|
* http://www.apache.org/licenses/LICENSE-2.0
|
||||||
|
*
|
||||||
|
* Unless required by applicable law or agreed to in writing, software
|
||||||
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||||
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||||
|
* See the License for the specific language governing permissions and
|
||||||
|
* limitations under the License.
|
||||||
|
*/
|
||||||
|
package ghidra.app.util.bin.format.omf;
|
||||||
|
|
||||||
|
import java.io.IOException;
|
||||||
|
import java.lang.reflect.Field;
|
||||||
|
import java.lang.reflect.Modifier;
|
||||||
|
|
||||||
|
import ghidra.app.util.bin.BinaryReader;
|
||||||
|
import ghidra.program.model.data.*;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Utility class for OMF-based file formats
|
||||||
|
*/
|
||||||
|
public class OmfUtils {
|
||||||
|
|
||||||
|
/** Data type category */
|
||||||
|
public static final String CATEGORY_PATH = "/OMF";
|
||||||
|
|
||||||
|
public static Omf2or4 readInt2Or4(BinaryReader reader, boolean isBig) throws IOException {
|
||||||
|
return isBig ? new Omf2or4(4, reader.readNextInt())
|
||||||
|
: new Omf2or4(2, reader.readNextUnsignedShort());
|
||||||
|
}
|
||||||
|
|
||||||
|
public static OmfIndex readIndex(BinaryReader reader) throws IOException {
|
||||||
|
int length;
|
||||||
|
int indexWord;
|
||||||
|
byte firstByte = reader.readNextByte();
|
||||||
|
if ((firstByte & 0x80) != 0) {
|
||||||
|
indexWord = (firstByte & 0x7f) * 0x100 + (reader.readNextByte() & 0xff);
|
||||||
|
length = 2;
|
||||||
|
}
|
||||||
|
else {
|
||||||
|
indexWord = firstByte;
|
||||||
|
length = 1;
|
||||||
|
}
|
||||||
|
return new OmfIndex(length, indexWord);
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Read the OMF string format: 1-byte length, followed by that many ascii characters
|
||||||
|
*
|
||||||
|
* @param reader A {@link BinaryReader} positioned at the start of the string
|
||||||
|
* @return the read OMF string
|
||||||
|
* @throws IOException if an IO-related error occurred
|
||||||
|
*/
|
||||||
|
public static OmfString readString(BinaryReader reader) throws IOException {
|
||||||
|
int count = reader.readNextUnsignedByte();
|
||||||
|
return new OmfString(count, reader.readNextAsciiString(count));
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Gets the name of the given record type
|
||||||
|
*
|
||||||
|
* @param type The record type
|
||||||
|
* @param recordTypesClass The class that contains accessible OMF type fields
|
||||||
|
* @return The name of the given record type
|
||||||
|
*/
|
||||||
|
public final static String getRecordName(int type, Class<?> recordTypesClass) {
|
||||||
|
for (Field field : recordTypesClass.getDeclaredFields()) {
|
||||||
|
int modifiers = field.getModifiers();
|
||||||
|
if (Modifier.isFinal(modifiers) && Modifier.isStatic(modifiers)) {
|
||||||
|
try {
|
||||||
|
Integer value = (Integer) field.get(null);
|
||||||
|
if (type == value) {
|
||||||
|
return field.getName();
|
||||||
|
}
|
||||||
|
}
|
||||||
|
catch (Exception e) {
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
return "<UNKNOWN>";
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Converts the given {@link OmfRecord} to a generic OMF record {@link DataType}
|
||||||
|
*
|
||||||
|
* @param record The OMF record to convert
|
||||||
|
* @param name The name of the OMF record
|
||||||
|
* @return A {@link DataType} for the given OMF record
|
||||||
|
*/
|
||||||
|
public static DataType toOmfRecordDataType(OmfRecord record, String name) {
|
||||||
|
StructureDataType struct = new StructureDataType(name, 0);
|
||||||
|
struct.add(ByteDataType.dataType, "type", null);
|
||||||
|
struct.add(WordDataType.dataType, "length", null);
|
||||||
|
struct.add(new ArrayDataType(ByteDataType.dataType, record.getRecordLength() - 1, 1),
|
||||||
|
"contents", null);
|
||||||
|
struct.add(ByteDataType.dataType, "checksum", null);
|
||||||
|
|
||||||
|
struct.setCategoryPath(new CategoryPath(OmfUtils.CATEGORY_PATH));
|
||||||
|
return struct;
|
||||||
|
}
|
||||||
|
}
|
|
@ -13,13 +13,15 @@
|
||||||
* See the License for the specific language governing permissions and
|
* See the License for the specific language governing permissions and
|
||||||
* limitations under the License.
|
* limitations under the License.
|
||||||
*/
|
*/
|
||||||
package ghidra.app.util.bin.format.omf;
|
package ghidra.app.util.bin.format.omf.omf;
|
||||||
|
|
||||||
import java.io.IOException;
|
import java.io.IOException;
|
||||||
import java.util.ArrayList;
|
import java.util.ArrayList;
|
||||||
import java.util.List;
|
import java.util.List;
|
||||||
|
|
||||||
import ghidra.app.util.bin.BinaryReader;
|
import ghidra.app.util.bin.BinaryReader;
|
||||||
|
import ghidra.app.util.bin.format.omf.OmfIndex;
|
||||||
|
import ghidra.app.util.bin.format.omf.OmfUtils;
|
||||||
|
|
||||||
public class OmfComdatExternalSymbol extends OmfExternalSymbol {
|
public class OmfComdatExternalSymbol extends OmfExternalSymbol {
|
||||||
|
|
||||||
|
@ -32,8 +34,8 @@ public class OmfComdatExternalSymbol extends OmfExternalSymbol {
|
||||||
|
|
||||||
long max = reader.getPointerIndex() + getRecordLength() - 1;
|
long max = reader.getPointerIndex() + getRecordLength() - 1;
|
||||||
while (reader.getPointerIndex() < max) {
|
while (reader.getPointerIndex() < max) {
|
||||||
OmfIndex nameIndex = OmfRecord.readIndex(reader);
|
OmfIndex nameIndex = OmfUtils.readIndex(reader);
|
||||||
OmfIndex type = OmfRecord.readIndex(reader);
|
OmfIndex type = OmfUtils.readIndex(reader);
|
||||||
externalLookups.add(new ExternalLookup(nameIndex.value(), type.value()));
|
externalLookups.add(new ExternalLookup(nameIndex.value(), type.value()));
|
||||||
}
|
}
|
||||||
|
|
|
@ -13,11 +13,12 @@
|
||||||
* See the License for the specific language governing permissions and
|
* See the License for the specific language governing permissions and
|
||||||
* limitations under the License.
|
* limitations under the License.
|
||||||
*/
|
*/
|
||||||
package ghidra.app.util.bin.format.omf;
|
package ghidra.app.util.bin.format.omf.omf;
|
||||||
|
|
||||||
import java.io.IOException;
|
import java.io.IOException;
|
||||||
|
|
||||||
import ghidra.app.util.bin.BinaryReader;
|
import ghidra.app.util.bin.BinaryReader;
|
||||||
|
import ghidra.app.util.bin.format.omf.*;
|
||||||
|
|
||||||
public class OmfComdefRecord extends OmfExternalSymbol {
|
public class OmfComdefRecord extends OmfExternalSymbol {
|
||||||
|
|
||||||
|
@ -27,8 +28,8 @@ public class OmfComdefRecord extends OmfExternalSymbol {
|
||||||
|
|
||||||
long max = reader.getPointerIndex() + getRecordLength() - 1;
|
long max = reader.getPointerIndex() + getRecordLength() - 1;
|
||||||
while (reader.getPointerIndex() < max) {
|
while (reader.getPointerIndex() < max) {
|
||||||
OmfString name = OmfRecord.readString(reader);
|
OmfString name = OmfUtils.readString(reader);
|
||||||
OmfIndex typeIndex = OmfRecord.readIndex(reader);
|
OmfIndex typeIndex = OmfUtils.readIndex(reader);
|
||||||
byte dataType = reader.readNextByte();
|
byte dataType = reader.readNextByte();
|
||||||
int byteLength = 0;
|
int byteLength = 0;
|
||||||
if (dataType == 0x61) { // FAR data, reads numElements and elSize
|
if (dataType == 0x61) { // FAR data, reads numElements and elSize
|
|
@ -13,12 +13,13 @@
|
||||||
* See the License for the specific language governing permissions and
|
* See the License for the specific language governing permissions and
|
||||||
* limitations under the License.
|
* limitations under the License.
|
||||||
*/
|
*/
|
||||||
package ghidra.app.util.bin.format.omf;
|
package ghidra.app.util.bin.format.omf.omf;
|
||||||
|
|
||||||
import java.io.IOException;
|
import java.io.IOException;
|
||||||
import java.nio.charset.StandardCharsets;
|
import java.nio.charset.StandardCharsets;
|
||||||
|
|
||||||
import ghidra.app.util.bin.BinaryReader;
|
import ghidra.app.util.bin.BinaryReader;
|
||||||
|
import ghidra.app.util.bin.format.omf.*;
|
||||||
import ghidra.program.model.data.*;
|
import ghidra.program.model.data.*;
|
||||||
import ghidra.util.exception.DuplicateNameException;
|
import ghidra.util.exception.DuplicateNameException;
|
||||||
|
|
||||||
|
@ -51,7 +52,7 @@ public class OmfCommentRecord extends OmfRecord {
|
||||||
value = new OmfString(bytes.length, new String(bytes, StandardCharsets.US_ASCII)); // assuming ASCII
|
value = new OmfString(bytes.length, new String(bytes, StandardCharsets.US_ASCII)); // assuming ASCII
|
||||||
break;
|
break;
|
||||||
case COMMENT_CLASS_LIBMOD:
|
case COMMENT_CLASS_LIBMOD:
|
||||||
value = readString(reader);
|
value = OmfUtils.readString(reader);
|
||||||
break;
|
break;
|
||||||
default:
|
default:
|
||||||
reader.setPointerIndex(reader.getPointerIndex() + getRecordLength() - 3);
|
reader.setPointerIndex(reader.getPointerIndex() + getRecordLength() - 3);
|
||||||
|
@ -76,7 +77,7 @@ public class OmfCommentRecord extends OmfRecord {
|
||||||
public DataType toDataType() throws DuplicateNameException, IOException {
|
public DataType toDataType() throws DuplicateNameException, IOException {
|
||||||
int strlen = getRecordLength() - 3;
|
int strlen = getRecordLength() - 3;
|
||||||
|
|
||||||
StructureDataType struct = new StructureDataType(getRecordName(getRecordType()), 0);
|
StructureDataType struct = new StructureDataType(OmfRecordTypes.getName(recordType), 0);
|
||||||
struct.add(BYTE, "type", null);
|
struct.add(BYTE, "type", null);
|
||||||
struct.add(WORD, "length", "");
|
struct.add(WORD, "length", "");
|
||||||
struct.add(BYTE, "comment_type", null);
|
struct.add(BYTE, "comment_type", null);
|
||||||
|
@ -86,7 +87,7 @@ public class OmfCommentRecord extends OmfRecord {
|
||||||
}
|
}
|
||||||
struct.add(BYTE, "checksum", null);
|
struct.add(BYTE, "checksum", null);
|
||||||
|
|
||||||
struct.setCategoryPath(new CategoryPath(OmfRecord.CATEGORY_PATH));
|
struct.setCategoryPath(new CategoryPath(OmfUtils.CATEGORY_PATH));
|
||||||
return struct;
|
return struct;
|
||||||
}
|
}
|
||||||
}
|
}
|
|
@ -13,11 +13,12 @@
|
||||||
* See the License for the specific language governing permissions and
|
* See the License for the specific language governing permissions and
|
||||||
* limitations under the License.
|
* limitations under the License.
|
||||||
*/
|
*/
|
||||||
package ghidra.app.util.bin.format.omf;
|
package ghidra.app.util.bin.format.omf.omf;
|
||||||
|
|
||||||
import java.io.IOException;
|
import java.io.IOException;
|
||||||
|
|
||||||
import ghidra.app.util.bin.BinaryReader;
|
import ghidra.app.util.bin.BinaryReader;
|
||||||
|
import ghidra.app.util.bin.format.omf.*;
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* Object representing data loaded directly into the final image.
|
* Object representing data loaded directly into the final image.
|
|
@ -13,11 +13,14 @@
|
||||||
* See the License for the specific language governing permissions and
|
* See the License for the specific language governing permissions and
|
||||||
* limitations under the License.
|
* limitations under the License.
|
||||||
*/
|
*/
|
||||||
package ghidra.app.util.bin.format.omf;
|
package ghidra.app.util.bin.format.omf.omf;
|
||||||
|
|
||||||
import java.io.IOException;
|
import java.io.IOException;
|
||||||
|
|
||||||
import ghidra.app.util.bin.BinaryReader;
|
import ghidra.app.util.bin.BinaryReader;
|
||||||
|
import ghidra.app.util.bin.format.omf.OmfUtils;
|
||||||
|
import ghidra.program.model.data.DataType;
|
||||||
|
import ghidra.util.exception.DuplicateNameException;
|
||||||
|
|
||||||
public class OmfEnumeratedData extends OmfData {
|
public class OmfEnumeratedData extends OmfData {
|
||||||
private long streamOffset; // Position in stream where data starts
|
private long streamOffset; // Position in stream where data starts
|
||||||
|
@ -26,8 +29,8 @@ public class OmfEnumeratedData extends OmfData {
|
||||||
public OmfEnumeratedData(BinaryReader reader) throws IOException {
|
public OmfEnumeratedData(BinaryReader reader) throws IOException {
|
||||||
readRecordHeader(reader);
|
readRecordHeader(reader);
|
||||||
long start = reader.getPointerIndex();
|
long start = reader.getPointerIndex();
|
||||||
segmentIndex = OmfRecord.readIndex(reader);
|
segmentIndex = OmfUtils.readIndex(reader);
|
||||||
dataOffset = OmfRecord.readInt2Or4(reader, hasBigFields());
|
dataOffset = OmfUtils.readInt2Or4(reader, hasBigFields());
|
||||||
streamOffset = reader.getPointerIndex();
|
streamOffset = reader.getPointerIndex();
|
||||||
streamLength = getRecordLength() - 1 - (int) (streamOffset - start);
|
streamLength = getRecordLength() - 1 - (int) (streamOffset - start);
|
||||||
reader.setPointerIndex(streamOffset + streamLength); // Skip over the data when reading header
|
reader.setPointerIndex(streamOffset + streamLength); // Skip over the data when reading header
|
||||||
|
@ -50,4 +53,9 @@ public class OmfEnumeratedData extends OmfData {
|
||||||
public boolean isAllZeroes() {
|
public boolean isAllZeroes() {
|
||||||
return false;
|
return false;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
@Override
|
||||||
|
public DataType toDataType() throws DuplicateNameException, IOException {
|
||||||
|
return OmfUtils.toOmfRecordDataType(this, OmfRecordTypes.getName(recordType));
|
||||||
|
}
|
||||||
}
|
}
|
|
@ -13,13 +13,14 @@
|
||||||
* See the License for the specific language governing permissions and
|
* See the License for the specific language governing permissions and
|
||||||
* limitations under the License.
|
* limitations under the License.
|
||||||
*/
|
*/
|
||||||
package ghidra.app.util.bin.format.omf;
|
package ghidra.app.util.bin.format.omf.omf;
|
||||||
|
|
||||||
import java.io.IOException;
|
import java.io.IOException;
|
||||||
import java.util.ArrayList;
|
import java.util.ArrayList;
|
||||||
import java.util.List;
|
import java.util.List;
|
||||||
|
|
||||||
import ghidra.app.util.bin.BinaryReader;
|
import ghidra.app.util.bin.BinaryReader;
|
||||||
|
import ghidra.app.util.bin.format.omf.*;
|
||||||
import ghidra.program.model.data.*;
|
import ghidra.program.model.data.*;
|
||||||
import ghidra.util.exception.DuplicateNameException;
|
import ghidra.util.exception.DuplicateNameException;
|
||||||
|
|
||||||
|
@ -42,8 +43,8 @@ public class OmfExternalSymbol extends OmfRecord {
|
||||||
|
|
||||||
long max = reader.getPointerIndex() + getRecordLength() - 1;
|
long max = reader.getPointerIndex() + getRecordLength() - 1;
|
||||||
while (reader.getPointerIndex() < max) {
|
while (reader.getPointerIndex() < max) {
|
||||||
OmfString name = OmfRecord.readString(reader);
|
OmfString name = OmfUtils.readString(reader);
|
||||||
OmfIndex type = OmfRecord.readIndex(reader);
|
OmfIndex type = OmfUtils.readIndex(reader);
|
||||||
refs.add(new Reference(name, type));
|
refs.add(new Reference(name, type));
|
||||||
symbols.add(new OmfSymbol(name.str(), type.value(), 0, 0, 0));
|
symbols.add(new OmfSymbol(name.str(), type.value(), 0, 0, 0));
|
||||||
}
|
}
|
||||||
|
@ -61,7 +62,7 @@ public class OmfExternalSymbol extends OmfRecord {
|
||||||
|
|
||||||
@Override
|
@Override
|
||||||
public DataType toDataType() throws DuplicateNameException, IOException {
|
public DataType toDataType() throws DuplicateNameException, IOException {
|
||||||
StructureDataType struct = new StructureDataType(getRecordName(getRecordType()), 0);
|
StructureDataType struct = new StructureDataType(OmfRecordTypes.getName(recordType), 0);
|
||||||
struct.add(BYTE, "type", null);
|
struct.add(BYTE, "type", null);
|
||||||
struct.add(WORD, "length", null);
|
struct.add(WORD, "length", null);
|
||||||
for (Reference ref : refs) {
|
for (Reference ref : refs) {
|
||||||
|
@ -70,7 +71,7 @@ public class OmfExternalSymbol extends OmfRecord {
|
||||||
}
|
}
|
||||||
struct.add(BYTE, "checksum", null);
|
struct.add(BYTE, "checksum", null);
|
||||||
|
|
||||||
struct.setCategoryPath(new CategoryPath(OmfRecord.CATEGORY_PATH));
|
struct.setCategoryPath(new CategoryPath(OmfUtils.CATEGORY_PATH));
|
||||||
return struct;
|
return struct;
|
||||||
}
|
}
|
||||||
}
|
}
|
|
@ -13,7 +13,7 @@
|
||||||
* See the License for the specific language governing permissions and
|
* See the License for the specific language governing permissions and
|
||||||
* limitations under the License.
|
* limitations under the License.
|
||||||
*/
|
*/
|
||||||
package ghidra.app.util.bin.format.omf;
|
package ghidra.app.util.bin.format.omf.omf;
|
||||||
|
|
||||||
import java.io.IOException;
|
import java.io.IOException;
|
||||||
import java.util.ArrayList;
|
import java.util.ArrayList;
|
||||||
|
@ -21,6 +21,7 @@ import java.util.List;
|
||||||
|
|
||||||
import ghidra.app.util.bin.BinaryReader;
|
import ghidra.app.util.bin.BinaryReader;
|
||||||
import ghidra.app.util.bin.ByteProvider;
|
import ghidra.app.util.bin.ByteProvider;
|
||||||
|
import ghidra.app.util.bin.format.omf.*;
|
||||||
import ghidra.app.util.importer.MessageLog;
|
import ghidra.app.util.importer.MessageLog;
|
||||||
import ghidra.program.model.data.*;
|
import ghidra.program.model.data.*;
|
||||||
import ghidra.util.exception.DuplicateNameException;
|
import ghidra.util.exception.DuplicateNameException;
|
||||||
|
@ -45,7 +46,7 @@ public class OmfFileHeader extends OmfRecord {
|
||||||
|
|
||||||
public OmfFileHeader(BinaryReader reader) throws IOException {
|
public OmfFileHeader(BinaryReader reader) throws IOException {
|
||||||
readRecordHeader(reader);
|
readRecordHeader(reader);
|
||||||
objectName = readString(reader); // This is usually the source code filename
|
objectName = OmfUtils.readString(reader); // This is usually the source code filename
|
||||||
readCheckSumByte(reader);
|
readCheckSumByte(reader);
|
||||||
isLittleEndian = reader.isLittleEndian();
|
isLittleEndian = reader.isLittleEndian();
|
||||||
}
|
}
|
||||||
|
@ -269,14 +270,14 @@ public class OmfFileHeader extends OmfRecord {
|
||||||
*/
|
*/
|
||||||
public static OmfFileHeader scan(BinaryReader reader, TaskMonitor monitor, boolean fastscan)
|
public static OmfFileHeader scan(BinaryReader reader, TaskMonitor monitor, boolean fastscan)
|
||||||
throws IOException, OmfException {
|
throws IOException, OmfException {
|
||||||
OmfRecord record = OmfRecord.readRecord(reader);
|
OmfRecord record = OmfRecordFactory.readRecord(reader);
|
||||||
if (!(record instanceof OmfFileHeader)) {
|
if (!(record instanceof OmfFileHeader)) {
|
||||||
throw new OmfException("Object file does not start with proper header");
|
throw new OmfException("Object file does not start with proper header");
|
||||||
}
|
}
|
||||||
OmfFileHeader header = (OmfFileHeader) record;
|
OmfFileHeader header = (OmfFileHeader) record;
|
||||||
|
|
||||||
while (true) {
|
while (true) {
|
||||||
record = OmfRecord.readRecord(reader);
|
record = OmfRecordFactory.readRecord(reader);
|
||||||
|
|
||||||
if (monitor.isCancelled()) {
|
if (monitor.isCancelled()) {
|
||||||
break;
|
break;
|
||||||
|
@ -323,7 +324,7 @@ public class OmfFileHeader extends OmfRecord {
|
||||||
*/
|
*/
|
||||||
public static OmfFileHeader parse(BinaryReader reader, TaskMonitor monitor, MessageLog log)
|
public static OmfFileHeader parse(BinaryReader reader, TaskMonitor monitor, MessageLog log)
|
||||||
throws IOException, OmfException {
|
throws IOException, OmfException {
|
||||||
OmfRecord record = OmfRecord.readRecord(reader);
|
OmfRecord record = OmfRecordFactory.readRecord(reader);
|
||||||
if (!(record instanceof OmfFileHeader header)) {
|
if (!(record instanceof OmfFileHeader header)) {
|
||||||
throw new OmfException("Object file does not start with proper header");
|
throw new OmfException("Object file does not start with proper header");
|
||||||
}
|
}
|
||||||
|
@ -331,7 +332,7 @@ public class OmfFileHeader extends OmfRecord {
|
||||||
OmfData lastDataBlock = null;
|
OmfData lastDataBlock = null;
|
||||||
|
|
||||||
while (true) {
|
while (true) {
|
||||||
record = OmfRecord.readRecord(reader);
|
record = OmfRecordFactory.readRecord(reader);
|
||||||
header.records.add(record);
|
header.records.add(record);
|
||||||
|
|
||||||
if (monitor.isCancelled()) {
|
if (monitor.isCancelled()) {
|
||||||
|
@ -392,7 +393,7 @@ public class OmfFileHeader extends OmfRecord {
|
||||||
}
|
}
|
||||||
else if (record instanceof OmfUnsupportedRecord) {
|
else if (record instanceof OmfUnsupportedRecord) {
|
||||||
// TODO: Should we always set lastDataBlock to null?
|
// TODO: Should we always set lastDataBlock to null?
|
||||||
if (record.getRecordType() == COMDAT) {
|
if (record.getRecordType() == OmfRecordTypes.COMDAT) {
|
||||||
lastDataBlock = null;
|
lastDataBlock = null;
|
||||||
}
|
}
|
||||||
logRecord("Unsupported OMF record", record, log);
|
logRecord("Unsupported OMF record", record, log);
|
||||||
|
@ -477,16 +478,14 @@ public class OmfFileHeader extends OmfRecord {
|
||||||
* @throws IOException for problems reading bytes
|
* @throws IOException for problems reading bytes
|
||||||
*/
|
*/
|
||||||
public static boolean checkMagicNumber(BinaryReader reader) throws IOException {
|
public static boolean checkMagicNumber(BinaryReader reader) throws IOException {
|
||||||
byte first = reader.readNextByte();
|
int type = reader.readNextUnsignedByte();
|
||||||
if ((first & 0xfc) != 0x80) {
|
type &= 0xfffffffe; // mask off the least significant bit (16/32 bit flag)
|
||||||
|
if (type != OmfRecordTypes.THEADR && type != OmfRecordTypes.LHEADR) {
|
||||||
return false;
|
return false;
|
||||||
}
|
}
|
||||||
int len = reader.readNextShort() & 0xffff;
|
int len = reader.readNextUnsignedShort();
|
||||||
int stringlen = reader.readNextByte() & 0xff;
|
int stringlen = reader.readNextUnsignedByte();
|
||||||
if (len != stringlen + 2) {
|
return len == stringlen + 2;
|
||||||
return false;
|
|
||||||
}
|
|
||||||
return true;
|
|
||||||
}
|
}
|
||||||
|
|
||||||
/**
|
/**
|
||||||
|
@ -504,13 +503,13 @@ public class OmfFileHeader extends OmfRecord {
|
||||||
|
|
||||||
@Override
|
@Override
|
||||||
public DataType toDataType() throws DuplicateNameException, IOException {
|
public DataType toDataType() throws DuplicateNameException, IOException {
|
||||||
StructureDataType struct = new StructureDataType(getRecordName(getRecordType()), 0);
|
StructureDataType struct = new StructureDataType(OmfRecordTypes.getName(recordType), 0);
|
||||||
struct.add(BYTE, "type", null);
|
struct.add(BYTE, "type", null);
|
||||||
struct.add(WORD, "length", null);
|
struct.add(WORD, "length", null);
|
||||||
struct.add(objectName.toDataType(), "name", null);
|
struct.add(objectName.toDataType(), "name", null);
|
||||||
struct.add(BYTE, "checksum", null);
|
struct.add(BYTE, "checksum", null);
|
||||||
|
|
||||||
struct.setCategoryPath(new CategoryPath(OmfRecord.CATEGORY_PATH));
|
struct.setCategoryPath(new CategoryPath(OmfUtils.CATEGORY_PATH));
|
||||||
return struct;
|
return struct;
|
||||||
}
|
}
|
||||||
}
|
}
|
|
@ -13,12 +13,15 @@
|
||||||
* See the License for the specific language governing permissions and
|
* See the License for the specific language governing permissions and
|
||||||
* limitations under the License.
|
* limitations under the License.
|
||||||
*/
|
*/
|
||||||
package ghidra.app.util.bin.format.omf;
|
package ghidra.app.util.bin.format.omf.omf;
|
||||||
|
|
||||||
import java.io.IOException;
|
import java.io.IOException;
|
||||||
import java.util.ArrayList;
|
import java.util.ArrayList;
|
||||||
|
|
||||||
import ghidra.app.util.bin.BinaryReader;
|
import ghidra.app.util.bin.BinaryReader;
|
||||||
|
import ghidra.app.util.bin.format.omf.*;
|
||||||
|
import ghidra.program.model.data.DataType;
|
||||||
|
import ghidra.util.exception.DuplicateNameException;
|
||||||
|
|
||||||
public class OmfFixupRecord extends OmfRecord {
|
public class OmfFixupRecord extends OmfRecord {
|
||||||
private final Subrecord[] subrecs;
|
private final Subrecord[] subrecs;
|
||||||
|
@ -27,7 +30,7 @@ public class OmfFixupRecord extends OmfRecord {
|
||||||
/**
|
/**
|
||||||
* Read a Fixup record from the input reader
|
* Read a Fixup record from the input reader
|
||||||
* @param reader The actual reader
|
* @param reader The actual reader
|
||||||
* @throws IOException
|
* @throws IOException if there was an IO-related error
|
||||||
*/
|
*/
|
||||||
public OmfFixupRecord(BinaryReader reader) throws IOException {
|
public OmfFixupRecord(BinaryReader reader) throws IOException {
|
||||||
ArrayList<Subrecord> subreclist = new ArrayList<Subrecord>();
|
ArrayList<Subrecord> subreclist = new ArrayList<Subrecord>();
|
||||||
|
@ -63,6 +66,7 @@ public class OmfFixupRecord extends OmfRecord {
|
||||||
return subrecs;
|
return subrecs;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
@SuppressWarnings("unused")
|
||||||
public static class Subrecord {
|
public static class Subrecord {
|
||||||
private byte first;
|
private byte first;
|
||||||
private byte hiFixup;
|
private byte hiFixup;
|
||||||
|
@ -78,7 +82,7 @@ public class OmfFixupRecord extends OmfRecord {
|
||||||
* @param reader The input file
|
* @param reader The input file
|
||||||
* @param hasBigFields Is this 16 or 32 bit values
|
* @param hasBigFields Is this 16 or 32 bit values
|
||||||
* @return The read subrecord
|
* @return The read subrecord
|
||||||
* @throws IOException
|
* @throws IOException if there was an IO-related error
|
||||||
*/
|
*/
|
||||||
public static Subrecord readSubrecord(BinaryReader reader, boolean hasBigFields)
|
public static Subrecord readSubrecord(BinaryReader reader, boolean hasBigFields)
|
||||||
throws IOException {
|
throws IOException {
|
||||||
|
@ -89,7 +93,7 @@ public class OmfFixupRecord extends OmfRecord {
|
||||||
if (rec.isThreadSubrecord()) {
|
if (rec.isThreadSubrecord()) {
|
||||||
method = rec.getThreadMethod();
|
method = rec.getThreadMethod();
|
||||||
if (method < 4) {
|
if (method < 4) {
|
||||||
rec.index = readIndex(reader);
|
rec.index = OmfUtils.readIndex(reader);
|
||||||
}
|
}
|
||||||
return rec;
|
return rec;
|
||||||
}
|
}
|
||||||
|
@ -99,13 +103,13 @@ public class OmfFixupRecord extends OmfRecord {
|
||||||
rec.fixData = reader.readNextByte();
|
rec.fixData = reader.readNextByte();
|
||||||
method = rec.getFrameMethod();
|
method = rec.getFrameMethod();
|
||||||
if (!rec.isFrameThread() && method < 3) { // F=0 (explicit frame method (and datum))
|
if (!rec.isFrameThread() && method < 3) { // F=0 (explicit frame method (and datum))
|
||||||
rec.frameDatum = readIndex(reader);
|
rec.frameDatum = OmfUtils.readIndex(reader);
|
||||||
}
|
}
|
||||||
if (!rec.isTargetThread()) { // T=0 (explicit target)
|
if (!rec.isTargetThread()) { // T=0 (explicit target)
|
||||||
rec.targetDatum = readIndex(reader);
|
rec.targetDatum = OmfUtils.readIndex(reader);
|
||||||
}
|
}
|
||||||
if ((rec.fixData & 0x04) == 0) { // P=0
|
if ((rec.fixData & 0x04) == 0) { // P=0
|
||||||
rec.targetDisplacement = readInt2Or4(reader, hasBigFields);
|
rec.targetDisplacement = OmfUtils.readInt2Or4(reader, hasBigFields);
|
||||||
}
|
}
|
||||||
return rec;
|
return rec;
|
||||||
}
|
}
|
||||||
|
@ -190,4 +194,9 @@ public class OmfFixupRecord extends OmfRecord {
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
|
@Override
|
||||||
|
public DataType toDataType() throws DuplicateNameException, IOException {
|
||||||
|
return OmfUtils.toOmfRecordDataType(this, OmfRecordTypes.getName(recordType));
|
||||||
|
}
|
||||||
|
|
||||||
}
|
}
|
|
@ -13,16 +13,19 @@
|
||||||
* See the License for the specific language governing permissions and
|
* See the License for the specific language governing permissions and
|
||||||
* limitations under the License.
|
* limitations under the License.
|
||||||
*/
|
*/
|
||||||
package ghidra.app.util.bin.format.omf;
|
package ghidra.app.util.bin.format.omf.omf;
|
||||||
|
|
||||||
import java.io.IOException;
|
import java.io.IOException;
|
||||||
import java.util.ArrayList;
|
import java.util.ArrayList;
|
||||||
import java.util.List;
|
import java.util.List;
|
||||||
|
|
||||||
import ghidra.app.util.bin.BinaryReader;
|
import ghidra.app.util.bin.BinaryReader;
|
||||||
|
import ghidra.app.util.bin.format.omf.*;
|
||||||
import ghidra.program.model.address.Address;
|
import ghidra.program.model.address.Address;
|
||||||
import ghidra.program.model.address.AddressSpace;
|
import ghidra.program.model.address.AddressSpace;
|
||||||
|
import ghidra.program.model.data.DataType;
|
||||||
import ghidra.program.model.lang.Language;
|
import ghidra.program.model.lang.Language;
|
||||||
|
import ghidra.util.exception.DuplicateNameException;
|
||||||
|
|
||||||
public class OmfGroupRecord extends OmfRecord {
|
public class OmfGroupRecord extends OmfRecord {
|
||||||
private OmfIndex groupNameIndex;
|
private OmfIndex groupNameIndex;
|
||||||
|
@ -33,7 +36,7 @@ public class OmfGroupRecord extends OmfRecord {
|
||||||
public OmfGroupRecord(BinaryReader reader) throws IOException {
|
public OmfGroupRecord(BinaryReader reader) throws IOException {
|
||||||
readRecordHeader(reader);
|
readRecordHeader(reader);
|
||||||
long max = reader.getPointerIndex() + getRecordLength() - 1;
|
long max = reader.getPointerIndex() + getRecordLength() - 1;
|
||||||
groupNameIndex = OmfRecord.readIndex(reader);
|
groupNameIndex = OmfUtils.readIndex(reader);
|
||||||
ArrayList<GroupSubrecord> grouplist = new ArrayList<GroupSubrecord>();
|
ArrayList<GroupSubrecord> grouplist = new ArrayList<GroupSubrecord>();
|
||||||
while (reader.getPointerIndex() < max) {
|
while (reader.getPointerIndex() < max) {
|
||||||
GroupSubrecord subrec = GroupSubrecord.read(reader);
|
GroupSubrecord subrec = GroupSubrecord.read(reader);
|
||||||
|
@ -98,8 +101,13 @@ public class OmfGroupRecord extends OmfRecord {
|
||||||
public static GroupSubrecord read(BinaryReader reader) throws IOException {
|
public static GroupSubrecord read(BinaryReader reader) throws IOException {
|
||||||
GroupSubrecord subrec = new GroupSubrecord();
|
GroupSubrecord subrec = new GroupSubrecord();
|
||||||
subrec.componentType = reader.readNextByte();
|
subrec.componentType = reader.readNextByte();
|
||||||
subrec.segmentIndex = OmfRecord.readIndex(reader);
|
subrec.segmentIndex = OmfUtils.readIndex(reader);
|
||||||
return subrec;
|
return subrec;
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
|
@Override
|
||||||
|
public DataType toDataType() throws DuplicateNameException, IOException {
|
||||||
|
return OmfUtils.toOmfRecordDataType(this, OmfRecordTypes.getName(recordType));
|
||||||
|
}
|
||||||
}
|
}
|
|
@ -13,12 +13,16 @@
|
||||||
* See the License for the specific language governing permissions and
|
* See the License for the specific language governing permissions and
|
||||||
* limitations under the License.
|
* limitations under the License.
|
||||||
*/
|
*/
|
||||||
package ghidra.app.util.bin.format.omf;
|
package ghidra.app.util.bin.format.omf.omf;
|
||||||
|
|
||||||
import java.io.IOException;
|
import java.io.IOException;
|
||||||
import java.util.ArrayList;
|
import java.util.ArrayList;
|
||||||
|
|
||||||
import ghidra.app.util.bin.BinaryReader;
|
import ghidra.app.util.bin.BinaryReader;
|
||||||
|
import ghidra.app.util.bin.format.omf.Omf2or4;
|
||||||
|
import ghidra.app.util.bin.format.omf.OmfUtils;
|
||||||
|
import ghidra.program.model.data.DataType;
|
||||||
|
import ghidra.util.exception.DuplicateNameException;
|
||||||
|
|
||||||
public class OmfIteratedData extends OmfData {
|
public class OmfIteratedData extends OmfData {
|
||||||
|
|
||||||
|
@ -29,8 +33,8 @@ public class OmfIteratedData extends OmfData {
|
||||||
readRecordHeader(reader);
|
readRecordHeader(reader);
|
||||||
long max = reader.getPointerIndex() + getRecordLength() - 1;
|
long max = reader.getPointerIndex() + getRecordLength() - 1;
|
||||||
boolean hasBigFields = hasBigFields();
|
boolean hasBigFields = hasBigFields();
|
||||||
segmentIndex = OmfRecord.readIndex(reader);
|
segmentIndex = OmfUtils.readIndex(reader);
|
||||||
dataOffset = OmfRecord.readInt2Or4(reader, hasBigFields);
|
dataOffset = OmfUtils.readInt2Or4(reader, hasBigFields);
|
||||||
ArrayList<DataBlock> blocklist = new ArrayList<DataBlock>();
|
ArrayList<DataBlock> blocklist = new ArrayList<DataBlock>();
|
||||||
while (reader.getPointerIndex() < max) {
|
while (reader.getPointerIndex() < max) {
|
||||||
DataBlock block = DataBlock.read(reader, hasBigFields);
|
DataBlock block = DataBlock.read(reader, hasBigFields);
|
||||||
|
@ -85,7 +89,7 @@ public class OmfIteratedData extends OmfData {
|
||||||
|
|
||||||
public static DataBlock read(BinaryReader reader, boolean hasBigFields) throws IOException {
|
public static DataBlock read(BinaryReader reader, boolean hasBigFields) throws IOException {
|
||||||
DataBlock subblock = new DataBlock();
|
DataBlock subblock = new DataBlock();
|
||||||
subblock.repeatCount = OmfRecord.readInt2Or4(reader, hasBigFields);
|
subblock.repeatCount = OmfUtils.readInt2Or4(reader, hasBigFields);
|
||||||
subblock.blockCount = reader.readNextUnsignedShort();
|
subblock.blockCount = reader.readNextUnsignedShort();
|
||||||
if (subblock.blockCount == 0) {
|
if (subblock.blockCount == 0) {
|
||||||
int size = reader.readNextByte() & 0xff;
|
int size = reader.readNextByte() & 0xff;
|
||||||
|
@ -163,4 +167,9 @@ public class OmfIteratedData extends OmfData {
|
||||||
return true;
|
return true;
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
|
@Override
|
||||||
|
public DataType toDataType() throws DuplicateNameException, IOException {
|
||||||
|
return OmfUtils.toOmfRecordDataType(this, OmfRecordTypes.getName(recordType));
|
||||||
|
}
|
||||||
}
|
}
|
|
@ -13,14 +13,18 @@
|
||||||
* See the License for the specific language governing permissions and
|
* See the License for the specific language governing permissions and
|
||||||
* limitations under the License.
|
* limitations under the License.
|
||||||
*/
|
*/
|
||||||
package ghidra.app.util.bin.format.omf;
|
package ghidra.app.util.bin.format.omf.omf;
|
||||||
|
|
||||||
import java.io.IOException;
|
import java.io.IOException;
|
||||||
import java.util.ArrayList;
|
import java.util.ArrayList;
|
||||||
|
|
||||||
import ghidra.app.util.bin.BinaryReader;
|
import ghidra.app.util.bin.BinaryReader;
|
||||||
|
import ghidra.app.util.bin.format.omf.*;
|
||||||
|
import ghidra.program.model.data.DataType;
|
||||||
|
import ghidra.util.exception.DuplicateNameException;
|
||||||
import ghidra.util.task.TaskMonitor;
|
import ghidra.util.task.TaskMonitor;
|
||||||
|
|
||||||
|
@SuppressWarnings("unused")
|
||||||
public class OmfLibraryRecord extends OmfRecord {
|
public class OmfLibraryRecord extends OmfRecord {
|
||||||
private int pageSize; // All archive members must start on a page boundary of this size
|
private int pageSize; // All archive members must start on a page boundary of this size
|
||||||
private long dictionaryOffset;
|
private long dictionaryOffset;
|
||||||
|
@ -118,4 +122,9 @@ public class OmfLibraryRecord extends OmfRecord {
|
||||||
}
|
}
|
||||||
return res;
|
return res;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
@Override
|
||||||
|
public DataType toDataType() throws DuplicateNameException, IOException {
|
||||||
|
return OmfUtils.toOmfRecordDataType(this, OmfRecordTypes.getName(recordType));
|
||||||
|
}
|
||||||
}
|
}
|
|
@ -13,11 +13,15 @@
|
||||||
* See the License for the specific language governing permissions and
|
* See the License for the specific language governing permissions and
|
||||||
* limitations under the License.
|
* limitations under the License.
|
||||||
*/
|
*/
|
||||||
package ghidra.app.util.bin.format.omf;
|
package ghidra.app.util.bin.format.omf.omf;
|
||||||
|
|
||||||
import java.io.IOException;
|
import java.io.IOException;
|
||||||
|
|
||||||
import ghidra.app.util.bin.BinaryReader;
|
import ghidra.app.util.bin.BinaryReader;
|
||||||
|
import ghidra.app.util.bin.format.omf.OmfRecord;
|
||||||
|
import ghidra.app.util.bin.format.omf.OmfUtils;
|
||||||
|
import ghidra.program.model.data.DataType;
|
||||||
|
import ghidra.util.exception.DuplicateNameException;
|
||||||
|
|
||||||
public class OmfModuleEnd extends OmfRecord {
|
public class OmfModuleEnd extends OmfRecord {
|
||||||
//private byte moduleType;
|
//private byte moduleType;
|
||||||
|
@ -46,4 +50,9 @@ public class OmfModuleEnd extends OmfRecord {
|
||||||
return ((moduleType & 0x40) != 0);
|
return ((moduleType & 0x40) != 0);
|
||||||
}
|
}
|
||||||
*/
|
*/
|
||||||
|
|
||||||
|
@Override
|
||||||
|
public DataType toDataType() throws DuplicateNameException, IOException {
|
||||||
|
return OmfUtils.toOmfRecordDataType(this, OmfRecordTypes.getName(recordType));
|
||||||
|
}
|
||||||
}
|
}
|
|
@ -13,13 +13,14 @@
|
||||||
* See the License for the specific language governing permissions and
|
* See the License for the specific language governing permissions and
|
||||||
* limitations under the License.
|
* limitations under the License.
|
||||||
*/
|
*/
|
||||||
package ghidra.app.util.bin.format.omf;
|
package ghidra.app.util.bin.format.omf.omf;
|
||||||
|
|
||||||
import java.io.IOException;
|
import java.io.IOException;
|
||||||
import java.util.ArrayList;
|
import java.util.ArrayList;
|
||||||
import java.util.List;
|
import java.util.List;
|
||||||
|
|
||||||
import ghidra.app.util.bin.BinaryReader;
|
import ghidra.app.util.bin.BinaryReader;
|
||||||
|
import ghidra.app.util.bin.format.omf.*;
|
||||||
import ghidra.program.model.data.*;
|
import ghidra.program.model.data.*;
|
||||||
import ghidra.util.exception.DuplicateNameException;
|
import ghidra.util.exception.DuplicateNameException;
|
||||||
|
|
||||||
|
@ -30,7 +31,7 @@ public class OmfNamesRecord extends OmfRecord {
|
||||||
readRecordHeader(reader);
|
readRecordHeader(reader);
|
||||||
long max = reader.getPointerIndex() + getRecordLength() - 1;
|
long max = reader.getPointerIndex() + getRecordLength() - 1;
|
||||||
while (reader.getPointerIndex() < max) {
|
while (reader.getPointerIndex() < max) {
|
||||||
names.add(OmfRecord.readString(reader));
|
names.add(OmfUtils.readString(reader));
|
||||||
}
|
}
|
||||||
readCheckSumByte(reader);
|
readCheckSumByte(reader);
|
||||||
}
|
}
|
||||||
|
@ -41,7 +42,7 @@ public class OmfNamesRecord extends OmfRecord {
|
||||||
|
|
||||||
@Override
|
@Override
|
||||||
public DataType toDataType() throws DuplicateNameException, IOException {
|
public DataType toDataType() throws DuplicateNameException, IOException {
|
||||||
StructureDataType struct = new StructureDataType(getRecordName(getRecordType()), 0);
|
StructureDataType struct = new StructureDataType(OmfRecordTypes.getName(recordType), 0);
|
||||||
struct.add(BYTE, "type", null);
|
struct.add(BYTE, "type", null);
|
||||||
struct.add(WORD, "length", null);
|
struct.add(WORD, "length", null);
|
||||||
for (OmfString name : names) {
|
for (OmfString name : names) {
|
||||||
|
@ -49,7 +50,7 @@ public class OmfNamesRecord extends OmfRecord {
|
||||||
}
|
}
|
||||||
struct.add(BYTE, "checksum", null);
|
struct.add(BYTE, "checksum", null);
|
||||||
|
|
||||||
struct.setCategoryPath(new CategoryPath(OmfRecord.CATEGORY_PATH));
|
struct.setCategoryPath(new CategoryPath(OmfUtils.CATEGORY_PATH));
|
||||||
return struct;
|
return struct;
|
||||||
}
|
}
|
||||||
}
|
}
|
|
@ -0,0 +1,95 @@
|
||||||
|
/* ###
|
||||||
|
* IP: GHIDRA
|
||||||
|
*
|
||||||
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
||||||
|
* you may not use this file except in compliance with the License.
|
||||||
|
* You may obtain a copy of the License at
|
||||||
|
*
|
||||||
|
* http://www.apache.org/licenses/LICENSE-2.0
|
||||||
|
*
|
||||||
|
* Unless required by applicable law or agreed to in writing, software
|
||||||
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||||
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||||
|
* See the License for the specific language governing permissions and
|
||||||
|
* limitations under the License.
|
||||||
|
*/
|
||||||
|
package ghidra.app.util.bin.format.omf.omf;
|
||||||
|
|
||||||
|
import static ghidra.app.util.bin.format.omf.omf.OmfRecordTypes.*;
|
||||||
|
|
||||||
|
import java.io.IOException;
|
||||||
|
|
||||||
|
import ghidra.app.util.bin.BinaryReader;
|
||||||
|
import ghidra.app.util.bin.format.omf.*;
|
||||||
|
|
||||||
|
public class OmfRecordFactory {
|
||||||
|
|
||||||
|
public static OmfRecord readRecord(BinaryReader reader) throws IOException, OmfException {
|
||||||
|
int type = Byte.toUnsignedInt(reader.peekNextByte());
|
||||||
|
return switch (type & 0xfffffffe) { // mask off the least significant bit (16/32 bit flag)
|
||||||
|
case THEADR:
|
||||||
|
case LHEADR:
|
||||||
|
yield new OmfFileHeader(reader);
|
||||||
|
case COMENT:
|
||||||
|
yield new OmfCommentRecord(reader);
|
||||||
|
case MODEND:
|
||||||
|
yield new OmfModuleEnd(reader);
|
||||||
|
case EXTDEF:
|
||||||
|
yield new OmfExternalSymbol(reader, false);
|
||||||
|
case PUBDEF:
|
||||||
|
yield new OmfSymbolRecord(reader, false);
|
||||||
|
case LNAMES:
|
||||||
|
yield new OmfNamesRecord(reader);
|
||||||
|
case SEGDEF:
|
||||||
|
yield new OmfSegmentHeader(reader);
|
||||||
|
case GRPDEF:
|
||||||
|
yield new OmfGroupRecord(reader);
|
||||||
|
case FIXUPP:
|
||||||
|
yield new OmfFixupRecord(reader);
|
||||||
|
case LEDATA:
|
||||||
|
yield new OmfEnumeratedData(reader);
|
||||||
|
case LIDATA:
|
||||||
|
yield new OmfIteratedData(reader);
|
||||||
|
case COMDEF:
|
||||||
|
yield new OmfComdefRecord(reader, false);
|
||||||
|
case LEXTDEF:
|
||||||
|
yield new OmfExternalSymbol(reader, true);
|
||||||
|
case LPUBDEF:
|
||||||
|
yield new OmfSymbolRecord(reader, true);
|
||||||
|
case LCOMDEF:
|
||||||
|
yield new OmfComdefRecord(reader, true);
|
||||||
|
case CEXTDEF:
|
||||||
|
yield new OmfComdatExternalSymbol(reader);
|
||||||
|
case RHEADR:
|
||||||
|
case REGINT:
|
||||||
|
case REDATA:
|
||||||
|
case RIDATA:
|
||||||
|
case OVLDEF:
|
||||||
|
case ENDREC:
|
||||||
|
case BLKDEF:
|
||||||
|
case BLKEND:
|
||||||
|
case DEBSYM:
|
||||||
|
case LINNUM:
|
||||||
|
case PEDATA:
|
||||||
|
case PIDATA:
|
||||||
|
case LIBHED:
|
||||||
|
case LIBNAM:
|
||||||
|
case LIBLOC:
|
||||||
|
case LIBDIC:
|
||||||
|
yield new OmfObsoleteRecord(reader);
|
||||||
|
case LOCSYM:
|
||||||
|
case TYPDEF:
|
||||||
|
case COMDAT:
|
||||||
|
case LINSYM:
|
||||||
|
case ALIAS:
|
||||||
|
case BAKPAT:
|
||||||
|
case NBKPAT:
|
||||||
|
case LLNAMES:
|
||||||
|
case VERNUM:
|
||||||
|
case VENDEXT:
|
||||||
|
yield new OmfUnsupportedRecord(reader, OmfRecordTypes.class);
|
||||||
|
default:
|
||||||
|
yield new OmfUnknownRecord(reader);
|
||||||
|
};
|
||||||
|
}
|
||||||
|
}
|
|
@ -0,0 +1,77 @@
|
||||||
|
/* ###
|
||||||
|
* IP: GHIDRA
|
||||||
|
*
|
||||||
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
||||||
|
* you may not use this file except in compliance with the License.
|
||||||
|
* You may obtain a copy of the License at
|
||||||
|
*
|
||||||
|
* http://www.apache.org/licenses/LICENSE-2.0
|
||||||
|
*
|
||||||
|
* Unless required by applicable law or agreed to in writing, software
|
||||||
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||||
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||||
|
* See the License for the specific language governing permissions and
|
||||||
|
* limitations under the License.
|
||||||
|
*/
|
||||||
|
package ghidra.app.util.bin.format.omf.omf;
|
||||||
|
|
||||||
|
import ghidra.app.util.bin.format.omf.OmfUtils;
|
||||||
|
|
||||||
|
public class OmfRecordTypes {
|
||||||
|
|
||||||
|
public final static int RHEADR = 0x6E; // Obsolete
|
||||||
|
public final static int REGINT = 0x70; // Obsolete
|
||||||
|
public final static int REDATA = 0x72; // Obsolete
|
||||||
|
public final static int RIDATA = 0x74; // Obsolete
|
||||||
|
public final static int OVLDEF = 0x76; // Obsolete
|
||||||
|
public final static int ENDREC = 0x78; // Obsolete
|
||||||
|
public final static int BLKDEF = 0x7A; // Obsolete
|
||||||
|
public final static int BLKEND = 0x7C; // Obsolete
|
||||||
|
public final static int DEBSYM = 0x7E; // Obsolete
|
||||||
|
public final static int THEADR = 0x80;
|
||||||
|
public final static int LHEADR = 0x82;
|
||||||
|
public final static int PEDATA = 0x84; // Obsolete
|
||||||
|
public final static int PIDATA = 0x86; // Obsolete
|
||||||
|
public final static int COMENT = 0x88;
|
||||||
|
public final static int MODEND = 0x8A;
|
||||||
|
public final static int EXTDEF = 0x8C;
|
||||||
|
public final static int TYPDEF = 0x8E; // Obsolete
|
||||||
|
public final static int PUBDEF = 0x90;
|
||||||
|
public final static int LOCSYM = 0x92; // Obsolete
|
||||||
|
public final static int LINNUM = 0x94;
|
||||||
|
public final static int LNAMES = 0x96;
|
||||||
|
public final static int SEGDEF = 0x98;
|
||||||
|
public final static int GRPDEF = 0x9A;
|
||||||
|
public final static int FIXUPP = 0x9C;
|
||||||
|
public final static int LEDATA = 0xA0;
|
||||||
|
public final static int LIDATA = 0xA2;
|
||||||
|
public final static int LIBHED = 0xA4; // Obsolete
|
||||||
|
public final static int LIBNAM = 0xA6; // Obsolete
|
||||||
|
public final static int LIBLOC = 0xA8; // Obsolete
|
||||||
|
public final static int LIBDIC = 0xAA; // Obsolete
|
||||||
|
public final static int COMDEF = 0xB0;
|
||||||
|
public final static int BAKPAT = 0xB2;
|
||||||
|
public final static int LEXTDEF = 0xB4;
|
||||||
|
public final static int LPUBDEF = 0xB6;
|
||||||
|
public final static int LCOMDEF = 0xB8;
|
||||||
|
public final static int CEXTDEF = 0xBC;
|
||||||
|
public final static int COMDAT = 0xC2;
|
||||||
|
public final static int LINSYM = 0xC4;
|
||||||
|
public final static int ALIAS = 0xC6;
|
||||||
|
public final static int NBKPAT = 0xC8;
|
||||||
|
public final static int LLNAMES = 0xCA;
|
||||||
|
public final static int VERNUM = 0xCC;
|
||||||
|
public final static int VENDEXT = 0xCE;
|
||||||
|
public final static int START = 0xF0;
|
||||||
|
public final static int END = 0xF1;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Gets the name of the given record type
|
||||||
|
*
|
||||||
|
* @param type The record type
|
||||||
|
* @return The name of the given record type
|
||||||
|
*/
|
||||||
|
public final static String getName(int type) {
|
||||||
|
return OmfUtils.getRecordName(type, OmfRecordTypes.class);
|
||||||
|
}
|
||||||
|
}
|
|
@ -13,13 +13,14 @@
|
||||||
* See the License for the specific language governing permissions and
|
* See the License for the specific language governing permissions and
|
||||||
* limitations under the License.
|
* limitations under the License.
|
||||||
*/
|
*/
|
||||||
package ghidra.app.util.bin.format.omf;
|
package ghidra.app.util.bin.format.omf.omf;
|
||||||
|
|
||||||
import java.io.IOException;
|
import java.io.IOException;
|
||||||
import java.io.InputStream;
|
import java.io.InputStream;
|
||||||
import java.util.*;
|
import java.util.*;
|
||||||
|
|
||||||
import ghidra.app.util.bin.BinaryReader;
|
import ghidra.app.util.bin.BinaryReader;
|
||||||
|
import ghidra.app.util.bin.format.omf.*;
|
||||||
import ghidra.app.util.importer.MessageLog;
|
import ghidra.app.util.importer.MessageLog;
|
||||||
import ghidra.app.util.opinion.OmfLoader;
|
import ghidra.app.util.opinion.OmfLoader;
|
||||||
import ghidra.program.model.address.Address;
|
import ghidra.program.model.address.Address;
|
||||||
|
@ -91,14 +92,14 @@ public class OmfSegmentHeader extends OmfRecord {
|
||||||
offset = reader.readNextByte() & 0xff;
|
offset = reader.readNextByte() & 0xff;
|
||||||
vma = (long) frameNumber + offset;
|
vma = (long) frameNumber + offset;
|
||||||
}
|
}
|
||||||
segmentLength = OmfRecord.readInt2Or4(reader, hasBigFields);
|
segmentLength = OmfUtils.readInt2Or4(reader, hasBigFields);
|
||||||
segmentNameIndex = OmfRecord.readIndex(reader);
|
segmentNameIndex = OmfUtils.readIndex(reader);
|
||||||
classNameIndex = OmfRecord.readIndex(reader);
|
classNameIndex = OmfUtils.readIndex(reader);
|
||||||
overlayNameIndex = OmfRecord.readIndex(reader);
|
overlayNameIndex = OmfUtils.readIndex(reader);
|
||||||
readCheckSumByte(reader);
|
readCheckSumByte(reader);
|
||||||
int B = (segAttr >> 1) & 1;
|
int B = (segAttr >> 1) & 1;
|
||||||
if (B == 1) { // Ignore the segmentLength field
|
if (B == 1) { // Ignore the segmentLength field
|
||||||
if (getRecordType() == OmfRecord.SEGDEF) {
|
if (getRecordType() == OmfRecordTypes.SEGDEF) {
|
||||||
segmentLength = new Omf2or4(segmentLength.length(), 0x10000L); // Exactly 64K segment
|
segmentLength = new Omf2or4(segmentLength.length(), 0x10000L); // Exactly 64K segment
|
||||||
}
|
}
|
||||||
else {
|
else {
|
||||||
|
@ -458,7 +459,7 @@ public class OmfSegmentHeader extends OmfRecord {
|
||||||
|
|
||||||
@Override
|
@Override
|
||||||
public DataType toDataType() throws DuplicateNameException, IOException {
|
public DataType toDataType() throws DuplicateNameException, IOException {
|
||||||
StructureDataType struct = new StructureDataType(getRecordName(getRecordType()), 0);
|
StructureDataType struct = new StructureDataType(OmfRecordTypes.getName(recordType), 0);
|
||||||
struct.add(BYTE, "type", null);
|
struct.add(BYTE, "type", null);
|
||||||
struct.add(WORD, "length", null);
|
struct.add(WORD, "length", null);
|
||||||
struct.add(BYTE, "segment_attr", null);
|
struct.add(BYTE, "segment_attr", null);
|
||||||
|
@ -473,7 +474,7 @@ public class OmfSegmentHeader extends OmfRecord {
|
||||||
struct.add(overlayNameIndex.toDataType(), "overlay_name_index", null);
|
struct.add(overlayNameIndex.toDataType(), "overlay_name_index", null);
|
||||||
struct.add(BYTE, "checksum", null);
|
struct.add(BYTE, "checksum", null);
|
||||||
|
|
||||||
struct.setCategoryPath(new CategoryPath(OmfRecord.CATEGORY_PATH));
|
struct.setCategoryPath(new CategoryPath(OmfUtils.CATEGORY_PATH));
|
||||||
return struct;
|
return struct;
|
||||||
}
|
}
|
||||||
}
|
}
|
|
@ -13,12 +13,13 @@
|
||||||
* See the License for the specific language governing permissions and
|
* See the License for the specific language governing permissions and
|
||||||
* limitations under the License.
|
* limitations under the License.
|
||||||
*/
|
*/
|
||||||
package ghidra.app.util.bin.format.omf;
|
package ghidra.app.util.bin.format.omf.omf;
|
||||||
|
|
||||||
import java.util.Set;
|
import java.util.Set;
|
||||||
|
|
||||||
import ghidra.program.model.address.Address;
|
import ghidra.program.model.address.Address;
|
||||||
|
|
||||||
|
@SuppressWarnings("unused")
|
||||||
public class OmfSymbol {
|
public class OmfSymbol {
|
||||||
private String symbolName;
|
private String symbolName;
|
||||||
private int typeIndex;
|
private int typeIndex;
|
|
@ -13,13 +13,14 @@
|
||||||
* See the License for the specific language governing permissions and
|
* See the License for the specific language governing permissions and
|
||||||
* limitations under the License.
|
* limitations under the License.
|
||||||
*/
|
*/
|
||||||
package ghidra.app.util.bin.format.omf;
|
package ghidra.app.util.bin.format.omf.omf;
|
||||||
|
|
||||||
import java.io.IOException;
|
import java.io.IOException;
|
||||||
import java.util.ArrayList;
|
import java.util.ArrayList;
|
||||||
import java.util.List;
|
import java.util.List;
|
||||||
|
|
||||||
import ghidra.app.util.bin.BinaryReader;
|
import ghidra.app.util.bin.BinaryReader;
|
||||||
|
import ghidra.app.util.bin.format.omf.*;
|
||||||
import ghidra.program.model.data.*;
|
import ghidra.program.model.data.*;
|
||||||
import ghidra.util.exception.DuplicateNameException;
|
import ghidra.util.exception.DuplicateNameException;
|
||||||
|
|
||||||
|
@ -38,17 +39,17 @@ public class OmfSymbolRecord extends OmfRecord {
|
||||||
readRecordHeader(reader);
|
readRecordHeader(reader);
|
||||||
long max = reader.getPointerIndex() + getRecordLength() - 1;
|
long max = reader.getPointerIndex() + getRecordLength() - 1;
|
||||||
boolean hasBigFields = hasBigFields();
|
boolean hasBigFields = hasBigFields();
|
||||||
baseGroupIndex = OmfRecord.readIndex(reader);
|
baseGroupIndex = OmfUtils.readIndex(reader);
|
||||||
baseSegmentIndex = OmfRecord.readIndex(reader);
|
baseSegmentIndex = OmfUtils.readIndex(reader);
|
||||||
if (baseSegmentIndex.value() == 0) {
|
if (baseSegmentIndex.value() == 0) {
|
||||||
baseFrame = reader.readNextUnsignedShort();
|
baseFrame = reader.readNextUnsignedShort();
|
||||||
}
|
}
|
||||||
|
|
||||||
ArrayList<OmfSymbol> symbollist = new ArrayList<OmfSymbol>();
|
ArrayList<OmfSymbol> symbollist = new ArrayList<OmfSymbol>();
|
||||||
while (reader.getPointerIndex() < max) {
|
while (reader.getPointerIndex() < max) {
|
||||||
OmfString name = OmfRecord.readString(reader);
|
OmfString name = OmfUtils.readString(reader);
|
||||||
Omf2or4 offset = OmfRecord.readInt2Or4(reader, hasBigFields);
|
Omf2or4 offset = OmfUtils.readInt2Or4(reader, hasBigFields);
|
||||||
OmfIndex type = OmfRecord.readIndex(reader);
|
OmfIndex type = OmfUtils.readIndex(reader);
|
||||||
OmfSymbol subrec = new OmfSymbol(name.str(), type.value(), offset.value(), 0, 0);
|
OmfSymbol subrec = new OmfSymbol(name.str(), type.value(), offset.value(), 0, 0);
|
||||||
symbollist.add(subrec);
|
symbollist.add(subrec);
|
||||||
refs.add(new Reference(name, offset, type));
|
refs.add(new Reference(name, offset, type));
|
||||||
|
@ -88,7 +89,7 @@ public class OmfSymbolRecord extends OmfRecord {
|
||||||
|
|
||||||
@Override
|
@Override
|
||||||
public DataType toDataType() throws DuplicateNameException, IOException {
|
public DataType toDataType() throws DuplicateNameException, IOException {
|
||||||
StructureDataType struct = new StructureDataType(getRecordName(getRecordType()), 0);
|
StructureDataType struct = new StructureDataType(OmfRecordTypes.getName(recordType), 0);
|
||||||
struct.add(BYTE, "type", null);
|
struct.add(BYTE, "type", null);
|
||||||
struct.add(WORD, "length", null);
|
struct.add(WORD, "length", null);
|
||||||
struct.add(baseGroupIndex.toDataType(), "base_group_index", null);
|
struct.add(baseGroupIndex.toDataType(), "base_group_index", null);
|
||||||
|
@ -103,7 +104,7 @@ public class OmfSymbolRecord extends OmfRecord {
|
||||||
}
|
}
|
||||||
struct.add(BYTE, "checksum", null);
|
struct.add(BYTE, "checksum", null);
|
||||||
|
|
||||||
struct.setCategoryPath(new CategoryPath(OmfRecord.CATEGORY_PATH));
|
struct.setCategoryPath(new CategoryPath(OmfUtils.CATEGORY_PATH));
|
||||||
return struct;
|
return struct;
|
||||||
}
|
}
|
||||||
|
|
|
@ -24,7 +24,8 @@ import ghidra.app.util.Option;
|
||||||
import ghidra.app.util.bin.BinaryReader;
|
import ghidra.app.util.bin.BinaryReader;
|
||||||
import ghidra.app.util.bin.ByteProvider;
|
import ghidra.app.util.bin.ByteProvider;
|
||||||
import ghidra.app.util.bin.format.omf.*;
|
import ghidra.app.util.bin.format.omf.*;
|
||||||
import ghidra.app.util.bin.format.omf.OmfFixupRecord.Subrecord;
|
import ghidra.app.util.bin.format.omf.omf.*;
|
||||||
|
import ghidra.app.util.bin.format.omf.omf.OmfFixupRecord.Subrecord;
|
||||||
import ghidra.app.util.importer.MessageLog;
|
import ghidra.app.util.importer.MessageLog;
|
||||||
import ghidra.program.database.function.OverlappingFunctionException;
|
import ghidra.program.database.function.OverlappingFunctionException;
|
||||||
import ghidra.program.database.mem.FileBytes;
|
import ghidra.program.database.mem.FileBytes;
|
||||||
|
|
|
@ -21,8 +21,8 @@ import java.io.IOException;
|
||||||
import java.util.ArrayList;
|
import java.util.ArrayList;
|
||||||
|
|
||||||
import ghidra.app.util.bin.*;
|
import ghidra.app.util.bin.*;
|
||||||
import ghidra.app.util.bin.format.omf.OmfFileHeader;
|
import ghidra.app.util.bin.format.omf.omf.OmfFileHeader;
|
||||||
import ghidra.app.util.bin.format.omf.OmfLibraryRecord;
|
import ghidra.app.util.bin.format.omf.omf.OmfLibraryRecord;
|
||||||
import ghidra.formats.gfilesystem.*;
|
import ghidra.formats.gfilesystem.*;
|
||||||
import ghidra.formats.gfilesystem.annotations.FileSystemInfo;
|
import ghidra.formats.gfilesystem.annotations.FileSystemInfo;
|
||||||
import ghidra.formats.gfilesystem.fileinfo.FileAttributes;
|
import ghidra.formats.gfilesystem.fileinfo.FileAttributes;
|
||||||
|
|
|
@ -19,8 +19,8 @@ import java.io.IOException;
|
||||||
|
|
||||||
import ghidra.app.util.bin.BinaryReader;
|
import ghidra.app.util.bin.BinaryReader;
|
||||||
import ghidra.app.util.bin.ByteProvider;
|
import ghidra.app.util.bin.ByteProvider;
|
||||||
import ghidra.app.util.bin.format.omf.OmfFileHeader;
|
import ghidra.app.util.bin.format.omf.omf.OmfFileHeader;
|
||||||
import ghidra.app.util.bin.format.omf.OmfLibraryRecord;
|
import ghidra.app.util.bin.format.omf.omf.OmfLibraryRecord;
|
||||||
import ghidra.app.util.opinion.OmfLoader;
|
import ghidra.app.util.opinion.OmfLoader;
|
||||||
import ghidra.formats.gfilesystem.FSRLRoot;
|
import ghidra.formats.gfilesystem.FSRLRoot;
|
||||||
import ghidra.formats.gfilesystem.FileSystemService;
|
import ghidra.formats.gfilesystem.FileSystemService;
|
||||||
|
|
|
@ -2858,6 +2858,45 @@ control: "control" is epsilon {}
|
||||||
Rd0811 = zext((altStackMode << 1) | notPrivileged);
|
Rd0811 = zext((altStackMode << 1) | notPrivileged);
|
||||||
}
|
}
|
||||||
|
|
||||||
|
@endif
|
||||||
|
@if defined(CORTEX)
|
||||||
|
|
||||||
|
define pcodeop setMainStackPointerLimit;
|
||||||
|
|
||||||
|
msplim: "msplim" is epsilon {}
|
||||||
|
|
||||||
|
:msr^ItCond msplim,Rn0003 is TMode=1 & ItCond & op4=0xf38 & Rn0003; op12=0x8 & th_psrmask=8 & sysm=10 & msplim
|
||||||
|
{
|
||||||
|
build ItCond;
|
||||||
|
setMainStackPointerLimit(Rn0003);
|
||||||
|
}
|
||||||
|
|
||||||
|
define pcodeop setProcStackPointerLimit;
|
||||||
|
|
||||||
|
psplim: "psplim" is epsilon {}
|
||||||
|
|
||||||
|
:msr^ItCond psplim,Rn0003 is TMode=1 & ItCond & op4=0xf38 & Rn0003; op12=0x8 & th_psrmask=8 & sysm=11 & psplim
|
||||||
|
{
|
||||||
|
build ItCond;
|
||||||
|
setProcStackPointerLimit(Rn0003);
|
||||||
|
}
|
||||||
|
|
||||||
|
define pcodeop getMainStackPointerLimit;
|
||||||
|
|
||||||
|
:mrs^ItCond Rd0811,msplim is TMode=1 & ItCond & op0=0xf3ff; op12=0x8 & Rd0811 & sysm=10 & msplim
|
||||||
|
{
|
||||||
|
build ItCond;
|
||||||
|
Rd0811 = getMainStackPointerLimit();
|
||||||
|
}
|
||||||
|
|
||||||
|
define pcodeop getProcessStackPointerLimit;
|
||||||
|
|
||||||
|
:mrs^ItCond Rd0811,psplim is TMode=1 & ItCond & op0=0xf3ff; op12=0x8 & Rd0811 & sysm=11 & psplim
|
||||||
|
{
|
||||||
|
build ItCond;
|
||||||
|
Rd0811 = getProcessStackPointerLimit();
|
||||||
|
}
|
||||||
|
|
||||||
@endif
|
@endif
|
||||||
|
|
||||||
:mrs^ItCond Rd0811,cpsr is TMode=1 & ItCond & op0=0xf3ef; op12=0x8 & Rd0811 & sysm=0 & cpsr
|
:mrs^ItCond Rd0811,cpsr is TMode=1 & ItCond & op0=0xf3ef; op12=0x8 & Rd0811 & sysm=0 & cpsr
|
||||||
|
|
Loading…
Reference in New Issue
Block a user