The-Homebrew-Cloud/cemu-GhidraRPXLoader
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Add references to imports. Currently the imports are handled as data, but can be converted to functions manually.

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This commit is contained in:
Maschell 2019-03-10 01:48:02 +01:00
parent 7066bed843
commit 81a082edb1
1 changed files with 48 additions and 0 deletions
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48
src/main/java/ghidra/app/util/opinion/RPXLoader.java
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@ -14,11 +14,22 @@ import ghidra.app.util.bin.ByteArrayProvider;
import ghidra.app.util.bin.ByteProvider; import ghidra.app.util.bin.ByteProvider;
import ghidra.app.util.bin.format.elf.ElfException; import ghidra.app.util.bin.format.elf.ElfException;
import ghidra.app.util.bin.format.elf.ElfHeader; import ghidra.app.util.bin.format.elf.ElfHeader;
import ghidra.app.util.bin.format.elf.ElfRelocation;
import ghidra.app.util.bin.format.elf.ElfRelocationTable;
import ghidra.app.util.bin.format.elf.ElfSectionHeader;
import ghidra.app.util.bin.format.elf.ElfSymbol;
import ghidra.app.util.importer.MemoryConflictHandler; import ghidra.app.util.importer.MemoryConflictHandler;
import ghidra.app.util.importer.MessageLog; import ghidra.app.util.importer.MessageLog;
import ghidra.app.util.importer.MessageLogContinuesFactory; import ghidra.app.util.importer.MessageLogContinuesFactory;
import ghidra.program.model.address.Address;
import ghidra.program.model.address.AddressSpace;
import ghidra.program.model.listing.Program; import ghidra.program.model.listing.Program;
import ghidra.program.model.symbol.RefType;
import ghidra.program.model.symbol.Reference;
import ghidra.program.model.symbol.SourceType;
import ghidra.util.exception.CancelledException; import ghidra.util.exception.CancelledException;
import ghidra.util.exception.DuplicateNameException;
import ghidra.util.exception.InvalidInputException;
import ghidra.util.task.TaskMonitor; import ghidra.util.task.TaskMonitor;
public class RPXLoader extends ElfLoader { public class RPXLoader extends ElfLoader {
@ -65,7 +76,40 @@ public class RPXLoader extends ElfLoader {
GenericFactory factory = MessageLogContinuesFactory.create(log); GenericFactory factory = MessageLogContinuesFactory.create(log);
byte[] data = RPXUtils.convertRPX(provider, monitor); byte[] data = RPXUtils.convertRPX(provider, monitor);
ElfHeader elf = ElfHeader.createElfHeader(factory, new ByteArrayProvider(data)); ElfHeader elf = ElfHeader.createElfHeader(factory, new ByteArrayProvider(data));
ElfProgramBuilder.loadElf(elf, program, options, log, handler, monitor); ElfProgramBuilder.loadElf(elf, program, options, log, handler, monitor);
AddressSpace aspace = program.getAddressFactory().getDefaultAddressSpace();
for (ElfRelocationTable table : elf.getRelocationTables()) {
for (ElfRelocation reloc : table.getRelocations()) {
int sindex = reloc.getSymbolIndex();
ElfSymbol symbol = table.getAssociatedSymbolTable().getSymbols()[sindex];
ElfSectionHeader section = elf.getSections()[symbol.getSectionHeaderIndex()];
if (section.getType() == RPXUtils.SHT_RPL_IMPORTS) {
int offset = (int) (reloc.getOffset() & ~3);
String rplName = section.getNameAsString();
if (rplName.contains("import_")) {
rplName = rplName.split("import_")[1];
if (!rplName.endsWith(".rpl")) {
rplName += ".rpl";
}
} else {
continue;
}
Address addr = aspace.getAddress(offset);
Reference r = program.getReferenceManager().addExternalReference(addr, rplName,
symbol.getNameAsString(), aspace.getAddress(0), SourceType.USER_DEFINED, 1,
RefType.DATA);
program.getReferenceManager().setPrimary(r, true);
program.getListing().setComment(addr, 0, rplName + "::" + symbol.getNameAsString());
}
}
}
} catch (ElfException e) { } catch (ElfException e) {
throw new IOException(e.getMessage()); throw new IOException(e.getMessage());
} catch (CancelledException e) { } catch (CancelledException e) {
@ -73,6 +117,10 @@ public class RPXLoader extends ElfLoader {
throw new IOException(e.getMessage()); throw new IOException(e.getMessage());
} catch (DataFormatException e) { } catch (DataFormatException e) {
throw new IOException(e.getMessage()); throw new IOException(e.getMessage());
} catch (DuplicateNameException e) {
throw new IOException(e.getMessage());
} catch (InvalidInputException e) {
throw new IOException(e.getMessage());
} }
} }