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Create symbols for data exports.
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df0b8cd768
commit
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@ -1,5 +1,8 @@
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package cafeloader;
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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.format.elf.*;
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import ghidra.app.util.bin.format.elf.extend.*;
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import ghidra.program.model.address.*;
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@ -109,10 +112,43 @@ public class Cafe_ElfExtension extends ElfExtension {
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processRplCrcs(elfLoadHelper, sectionHeader);
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} else if (headertype == SHT_RPL_FILEINFO.value) {
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processRplFileInfo(elfLoadHelper, sectionHeader);
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} else if (headertype == SHT_RPL_EXPORTS.value) {
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processRplExports(elfLoadHelper, sectionHeader);
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}
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}
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}
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private void processRplExports(ElfLoadHelper elfLoadHelper, ElfSectionHeader sectionHeader) {
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String sectionName = sectionHeader.getNameAsString();
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Address loadAddress = elfLoadHelper.findLoadAddress(sectionHeader, 0);
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Memory memory = elfLoadHelper.getProgram().getMemory();
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boolean isDataExports = sectionName.contentEquals(".dexports");
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if (!isDataExports) {
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// Function exports are already in symbol table
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return;
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}
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// Create symbols for data exports
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BinaryReader reader = elfLoadHelper.getElfHeader().getReader();
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reader.setPointerIndex(sectionHeader.getOffset());
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try {
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int count = reader.readNextInt();
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int signature = reader.readNextInt();
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for (int i = 0; i < count; ++i) {
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int value = reader.readNextInt();
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int nameOffset = reader.readNextInt();
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boolean isTlsExport = (nameOffset & 0x80000000) != 0;
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String name = reader.readAsciiString(sectionHeader.getOffset() + (nameOffset & 0x7FFFFFFF));
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elfLoadHelper.createSymbol(elfLoadHelper.getDefaultAddress(value), name, true, false, null);
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}
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} catch (IOException e) {
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e.printStackTrace();
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} catch (InvalidInputException e) {
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e.printStackTrace();
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}
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}
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private void processRplCrcs(ElfLoadHelper elfLoadHelper, ElfSectionHeader sectionHeader) {
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Address address = elfLoadHelper.findLoadAddress(sectionHeader, 0);
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if (address == null) {
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