mirror of
https://github.com/cemu-project/GhidraRPXLoader.git
synced 2024-11-22 01:09:17 +01:00
Set r2 to sda2Base and r13 to sdaBase.
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parent
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commit
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@ -1,6 +1,7 @@
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package cafeloader;
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import java.io.IOException;
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import java.math.BigInteger;
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import ghidra.app.util.bin.BinaryReader;
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import ghidra.app.util.bin.format.elf.*;
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@ -11,6 +12,7 @@ import ghidra.program.model.mem.Memory;
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import ghidra.program.model.mem.MemoryAccessException;
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import ghidra.program.model.symbol.SourceType;
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import ghidra.program.model.data.*;
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import ghidra.program.model.lang.Register;
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import ghidra.util.*;
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import ghidra.util.exception.*;
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import ghidra.util.task.TaskMonitor;
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@ -170,7 +172,8 @@ public class Cafe_ElfExtension extends ElfExtension {
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}
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int version = RPL_FILEINFO_V3;
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Memory memory = elfLoadHelper.getProgram().getMemory();
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Program program = elfLoadHelper.getProgram();
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Memory memory = program.getMemory();
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try {
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version = memory.getInt(fileInfoAddr);
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} catch (MemoryAccessException e) {
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@ -181,6 +184,8 @@ public class Cafe_ElfExtension extends ElfExtension {
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new StructureDataType(new CategoryPath("/ELF"), "Elf32_RplFileInfo", 0);
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int filenameOffset = 0;
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int sdaBase = 0;
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int sda2Base = 0;
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if (version >= RPL_FILEINFO_V3) {
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fileInfo.add(DWordDataType.dataType, "version", null);
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fileInfo.add(DWordDataType.dataType, "textSize", null);
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@ -197,12 +202,34 @@ public class Cafe_ElfExtension extends ElfExtension {
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fileInfo.add(DWordDataType.dataType, "filenameOffset", null);
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try {
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sdaBase = memory.getInt(fileInfoAddr.add(0x24));
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sda2Base = memory.getInt(fileInfoAddr.add(0x28));
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filenameOffset = memory.getInt(fileInfoAddr.add(0x30));
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} catch (MemoryAccessException e) {
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Msg.warn(this, "Failed to read filenameOffset");
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}
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}
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Address minAddress = program.getAddressFactory().getDefaultAddressSpace().getMinAddress();
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Address maxAddress = program.getAddressFactory().getDefaultAddressSpace().getMaxAddress();
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if (sdaBase != 0 && minAddress != null && maxAddress != null) {
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Register r13 = elfLoadHelper.getProgram().getRegister("r13");
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try {
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program.getProgramContext().setValue(r13, minAddress, maxAddress, BigInteger.valueOf(sdaBase));
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} catch (ContextChangeException e) {
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Msg.warn(this, "Error setting r13 to sdabase: " + e);
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}
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}
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if (sda2Base != 0 && minAddress != null && maxAddress != null) {
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Register r2 = elfLoadHelper.getProgram().getRegister("r2");
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try {
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program.getProgramContext().setValue(r2, minAddress, maxAddress, BigInteger.valueOf(sda2Base));
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} catch (ContextChangeException e) {
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Msg.warn(this, "Error setting r2 to sda2base: " + e);
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}
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}
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int tagOffset = 0;
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if (version >= RPL_FILEINFO_V4_1) {
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fileInfo.add(DWordDataType.dataType, "flags", null);
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