Example #1
0
func loadDwarfData(f *os.File) (*dwarf.Data, error) {
	if obj, err := elf.NewFile(f); err == nil {
		return obj.DWARF()
	}
	if obj, err := macho.NewFile(f); err == nil {
		return obj.DWARF()
	}
	return nil, fmt.Errorf("unrecognized binary format")
}
Example #2
0
func loadExecutable(f *os.File) (*arch.Architecture, *dwarf.Data, error) {
	// TODO: How do we detect NaCl?
	if obj, err := elf.NewFile(f); err == nil {
		dwarfData, err := obj.DWARF()
		if err != nil {
			return nil, nil, err
		}

		switch obj.Machine {
		case elf.EM_ARM:
			return &arch.ARM, dwarfData, nil
		case elf.EM_386:
			switch obj.Class {
			case elf.ELFCLASS32:
				return &arch.X86, dwarfData, nil
			case elf.ELFCLASS64:
				return &arch.AMD64, dwarfData, nil
			}
		case elf.EM_X86_64:
			return &arch.AMD64, dwarfData, nil
		}
		return nil, nil, fmt.Errorf("unrecognized ELF architecture")
	}
	if obj, err := macho.NewFile(f); err == nil {
		dwarfData, err := obj.DWARF()
		if err != nil {
			return nil, nil, err
		}

		/* TODO
		table, err := parseMachO(obj)
		if err != nil {
			return nil, nil, err
		}
		*/
		switch obj.Cpu {
		case macho.Cpu386:
			return &arch.X86, dwarfData, nil
		case macho.CpuAmd64:
			return &arch.AMD64, dwarfData, nil
		}
		return nil, nil, fmt.Errorf("unrecognized Mach-O architecture")
	}
	return nil, nil, fmt.Errorf("unrecognized binary format")
}