Class Ps3ElfUtils

ghidra_scripts/Ps3ElfUtils.java:20–176

import static ghidra.app.util.bin.format.elf.ElfConstants.ET_EXEC;

class Ps3ElfUtils {

    private final static short ET_SCE_PPURELEXEC = (short) 0xffa4;

    public final static long PT_PROC_PARAM = 0x60000001;
    public final static long PT_PROC_PRX   = 0x60000002;

    private final GhidraScript script;
    private final Program program;

    private final MemoryBlock elfHeader;
    private final short programType;
    private final List<ElfSection> sections;


    public Ps3ElfUtils(GhidraScript runningScript, Program program) throws Exception {
        this.script = runningScript;
        this.program = program;

        this.elfHeader = findElfHeader();
        this.sections = parseSections(script.getDataAt(elfHeader.getStart()));
        programType = findPs3ProgramType();
    }

    private MemoryBlock findElfHeader() {
        // Find elf header block
        for (MemoryBlock block : program.getMemory().getBlocks()) {
            final Data dataAt = script.getDataAt(block.getStart());
            if(dataAt != null && dataAt.getDataType().getName().equals("Elf64_Ehdr")) {
                return block;
            }
        }

        return null;
    }

    public MemoryBlock getElfHeader() {
        return elfHeader;
    }

    public short findPs3ProgramType() throws Exception {
        if(getElfHeader() == null) {
            script.printerr("Couldn't find Elf64_Ehdr\n");
            return -1;
        }

        return script.getDataAt(elfHeader.getStart()).getComponent(8).getShort(0);// e_type
    }

    public boolean loadingExec() throws Exception {
        return programType == ET_EXEC;
    }

    public boolean loadingPrx() throws Exception {
        return programType == ET_SCE_PPURELEXEC;
    }

    // there should be a offset to this...