dosexe.h

#ifndef DOSEXE_H
#define DOSEXE_H
 
#include "../common.h"
#include "../linker/linker.h"
#include "../linker/section.h"
#include "mzexe.h"
 
namespace SeychellDOS32
{
    class AdamFormat : public virtual Linker::Format, public virtual Linker::OutputFormat
    {
    public:
        bool is_v35; /* based on Michael Tippach's research */
 
        AdamFormat(bool is_v35 = false)
            : is_v35(is_v35)
        {
            if(is_v35)
            {
                Linker::FatalError("Fatal error: 3.5 format unimplemented");
            }
        }
 
        bool is_dll = false;
        uint16_t minimum_dos_version = 0;
        uint16_t dlink_version = 0;
        uint32_t image_size = 0;
        uint32_t header_size = 0;
        uint32_t extra_memory_size = 0;
        uint32_t eip = 0;
        uint32_t esp = 0;
        std::set<uint32_t> relocations;
        uint32_t flags = 0;
        uint32_t relocation_start = 0;
        uint32_t last_header_field = 0;
 
        std::shared_ptr<Linker::Writable> image;
 
        enum
        {
            FLAG_COMPRESSED = 0x0001,
            FLAG_DISPLAY_LOGO = 0x0002,
        };
 
        void CalculateValues() override;
 
        void ReadFile(Linker::Reader& rd) override;
 
        void WriteFile(Linker::Writer& wr) override;
    };
};
 
namespace BrocaD3X
{
    class D3X1Format : public virtual Linker::Format
    {
    public:
        uint32_t header_size = 0;
        uint32_t binary_size = 0;
        uint32_t extra_size = 0;
        uint32_t entry = 0;
        uint32_t stack_top = 0;
 
        D3X1Format()
            : header_size(24)
        {
        }
 
        void ReadFile(Linker::Reader& rd) override;
 
        void WriteFile(Linker::Writer& wr) override;
    };
};
 
namespace DX64
{
    class LVFormat : public virtual Linker::Format
    {
    public:
        enum format_type
        {
            FORMAT_FLAT,
            FORMAT_LV,
        };
 
        char signature[4];
        uint32_t eip = 0;
        uint32_t esp = 0;
        uint32_t extra_memory_size = 0;
        std::shared_ptr<Linker::Writable> image;
 
        LVFormat(format_type type)
        {
            SetSignature(type);
        }
 
        void SetSignature(format_type type);
 
        void ReadFile(Linker::Reader& rd) override;
 
        void WriteFile(Linker::Writer& wr) override;
    };
}
 
/* TODO: other formats? */
 
#endif /* DOSEXE_H */