The-Homebrew-Cloud/GhidraRPXLoader
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Imports are now only listed in the import but not export section!

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This commit is contained in:
Maschell 2019-03-10 03:35:01 +01:00
parent 81a082edb1
commit 92a68e21fc
2 changed files with 12 additions and 6 deletions
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11
src/main/java/de/mas/ghidra/wiiu/RPXUtils.java
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@ -14,6 +14,7 @@ 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.ElfSectionHeader; import ghidra.app.util.bin.format.elf.ElfSectionHeader;
import ghidra.app.util.bin.format.elf.ElfSectionHeaderConstants; import ghidra.app.util.bin.format.elf.ElfSectionHeaderConstants;
import ghidra.app.util.bin.format.elf.ElfSymbol;
import ghidra.util.exception.CancelledException; import ghidra.util.exception.CancelledException;
import ghidra.util.task.TaskMonitor; import ghidra.util.task.TaskMonitor;
@ -76,8 +77,6 @@ public class RPXUtils {
buffer = Utils.checkAndGrowByteBuffer(buffer, newEnd); buffer = Utils.checkAndGrowByteBuffer(buffer, newEnd);
buffer.position((int) shdr_data_elf_offset); buffer.position((int) shdr_data_elf_offset);
// System.out.println("Write data " + String.format("%08X",
// shdr_data_elf_offset));
buffer.put(data); buffer.put(data);
offset = shdr_data_elf_offset; offset = shdr_data_elf_offset;
shdr_data_elf_offset += curSize; shdr_data_elf_offset += curSize;
@ -97,10 +96,14 @@ public class RPXUtils {
int type = elfFile.getSections()[sectionIndex].getType(); int type = elfFile.getSections()[sectionIndex].getType();
if (type == SHT_RPL_IMPORTS) { if (type == SHT_RPL_IMPORTS) {
// Set Value to 0
buffer.position((int) (entry_offset + 4)); buffer.position((int) (entry_offset + 4));
// Set Value to a custom symbol address
curSymbolAddress += 4; curSymbolAddress += 4;
buffer.putInt((int) curSymbolAddress); buffer.putInt((int) curSymbolAddress);
buffer.position((int) (entry_offset + 12));
// Change type to LOCAL so it won't be in the export list.
// Force FUNC type so the name will be used in the decompiler.
buffer.put((byte) ((ElfSymbol.STB_LOCAL << 4) | ElfSymbol.STT_FUNC)); // 12
} }
entryPos += h.getEntrySize(); entryPos += h.getEntrySize();
} }
@ -132,6 +135,7 @@ public class RPXUtils {
buffer.putInt((int) curSize); buffer.putInt((int) curSize);
buffer.putInt(h.getLink()); buffer.putInt(h.getLink());
buffer.putInt(h.getInfo()); buffer.putInt(h.getInfo());
buffer.putInt((int) h.getAddressAlignment()); buffer.putInt((int) h.getAddressAlignment());
buffer.putInt((int) h.getEntrySize()); buffer.putInt((int) h.getEntrySize());
@ -161,4 +165,5 @@ public class RPXUtils {
return buffer.array(); return buffer.array();
} }
} }

5
src/main/java/ghidra/app/util/opinion/RPXLoader.java
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@ -74,7 +74,9 @@ public class RPXLoader extends ElfLoader {
try { try {
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);
@ -102,8 +104,7 @@ public class RPXLoader extends ElfLoader {
Address addr = aspace.getAddress(offset); Address addr = aspace.getAddress(offset);
Reference r = program.getReferenceManager().addExternalReference(addr, rplName, Reference r = program.getReferenceManager().addExternalReference(addr, rplName,
symbol.getNameAsString(), aspace.getAddress(0), SourceType.USER_DEFINED, 1, symbol.getNameAsString(), aspace.getAddress(0), SourceType.IMPORTED, 1, RefType.DATA);
RefType.DATA);
program.getReferenceManager().setPrimary(r, true); program.getReferenceManager().setPrimary(r, true);
program.getListing().setComment(addr, 0, rplName + "::" + symbol.getNameAsString()); program.getListing().setComment(addr, 0, rplName + "::" + symbol.getNameAsString());
} }