ghidra/Ghidra/Extensions/SleighDevTools/ghidra_scripts/GNUDisassembleBlockScript.java

80 lines
2.2 KiB
Java

/* ###
* 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.
*/
import ghidra.app.script.GhidraScript;
import ghidra.app.util.disassemble.GNUExternalDisassembler;
import ghidra.app.util.disassemble.GnuDisassembledInstruction;
import ghidra.program.model.address.Address;
import java.util.List;
public class GNUDisassembleBlockScript extends GhidraScript {
@Override
protected void run() throws Exception {
if (currentProgram == null || currentAddress == null) {
return;
}
GNUExternalDisassembler dis = new GNUExternalDisassembler();
Address addr = currentAddress.getNewAddress(currentAddress.getOffset() & -32); // block aligned address
List<GnuDisassembledInstruction> results = dis.getBlockDisassembly(currentProgram, addr, 5);
if (results == null) {
println("Block Disassembly Failed!");
return;
}
int maxByteLen = 0;
for (GnuDisassembledInstruction result : results) {
maxByteLen = Math.max(maxByteLen, result.getNumberOfBytesInInstruction());
}
StringBuilder sb = new StringBuilder();
for (GnuDisassembledInstruction result : results) {
sb.append(addr.toString());
sb.append(' ');
int cnt = 0;
byte[] bytes = new byte[result.getNumberOfBytesInInstruction()];
currentProgram.getMemory().getBytes(addr, bytes);
for (byte b : bytes) {
if (b >= 0 && b < 0x10) {
sb.append('0');
}
sb.append(Integer.toHexString(b & 0xff));
sb.append(' ');
++cnt;
}
if (cnt < maxByteLen) {
int pad = (maxByteLen - cnt) * 3;
for (int i = 0; i < pad; i++) {
sb.append(' ');
}
}
sb.append(result.getInstruction());
sb.append("\n");
addr = addr.add(bytes.length);
}
if (sb.length() != 0) {
println("Block Disassembly:\n" + sb.toString());
}
}
}