mirror of
https://github.com/Maschell/GhidraRPXLoader.git
synced 2024-11-14 04:15:09 +01:00
Setting special sections to SHT_NULL
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parent
d9cbfe31da
commit
389b710a73
@ -113,19 +113,10 @@ public class RPXFileSystem implements GFileSystem {
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ByteBuffer buffer = ByteBuffer.allocate(0);
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int section_count = 0;
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for (ElfSectionHeader h : elfFile.getSections()) {
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if (h.getType() == SHT_RPL_CRCS || h.getType() == SHT_RPL_FILEINFO) {
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continue;
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}
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section_count++;
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}
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long shdr_elf_offset = elfFile.e_ehsize() & 0xFFFFFFFF;
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long shdr_data_elf_offset = shdr_elf_offset + section_count * elfFile.e_shentsize();
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long shdr_data_elf_offset = shdr_elf_offset + elfFile.e_shnum() * elfFile.e_shentsize();
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for (ElfSectionHeader h : elfFile.getSections()) {
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monitor.checkCanceled();
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long curSize = h.getSize();
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long flags = h.getFlags();
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@ -153,16 +144,8 @@ public class RPXFileSystem implements GFileSystem {
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}
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long newEnd = shdr_data_elf_offset + curSize;
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if (h.getType() == SHT_RPL_CRCS || h.getType() == SHT_RPL_FILEINFO) {
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System.out.println("Skip special section " + h.getTypeAsString());
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continue;
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}
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System.out.println("Saving " + h.getTypeAsString());
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buffer = checkBuffer(buffer, newEnd);
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buffer.position((int) shdr_data_elf_offset);
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System.out.println("Write data " + String.format("%08X", shdr_data_elf_offset));
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buffer.put(data);
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offset = shdr_data_elf_offset;
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shdr_data_elf_offset += curSize;
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@ -179,7 +162,7 @@ public class RPXFileSystem implements GFileSystem {
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long test_offset = (int) (offset + entryPos + 4);
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buffer.position((int) test_offset);
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int val = buffer.getInt();
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if ((val & 0xF0000000L) == 0xC0000000L) {
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long fixedAddress = val - 0xC0000000L + 0x01000000L;
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buffer.position((int) test_offset);
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@ -192,10 +175,16 @@ public class RPXFileSystem implements GFileSystem {
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buffer = checkBuffer(buffer, shdr_elf_offset + 0x28);
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monitor.setMessage("Converting section " + h.getTypeAsString());
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buffer.position((int) shdr_elf_offset);
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System.out.println("Write header " + String.format("%08X", shdr_elf_offset));
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buffer.putInt(h.getName());
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buffer.putInt(h.getType());
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if (h.getType() == SHT_RPL_CRCS || h.getType() == SHT_RPL_FILEINFO || h.getType() == SHT_RPL_EXPORTS
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|| h.getType() == SHT_RPL_IMPORTS) {
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buffer.putInt(ElfSectionHeaderConstants.SHT_NULL);
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} else {
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buffer.putInt(h.getType());
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}
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buffer.putInt((int) flags);
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// Hacky way to fix import relocations
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@ -205,7 +194,7 @@ public class RPXFileSystem implements GFileSystem {
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} else {
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buffer.putInt((int) h.getAddress());
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}
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buffer.putInt((int) offset);
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buffer.putInt((int) curSize);
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buffer.putInt(h.getLink());
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@ -214,10 +203,10 @@ public class RPXFileSystem implements GFileSystem {
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buffer.putInt((int) h.getEntrySize());
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shdr_elf_offset += 0x28;
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}
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monitor.setMessage("Create new ELF header");
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buffer.position(0);
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buffer.put(RPX_MAGIC);
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buffer.position(0x10);
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