source: bootcd/isolinux/syslinux-6.03/gnu-efi/gnu-efi-3.0/apps/t6.c

#include <efi.h>
#include <efilib.h>

typedef EFI_STATUS (*foo_t)(EFI_HANDLE, EFI_GUID *, VOID **);
typedef struct {
        unsigned long addr;
        unsigned long gp;
} fdesc_t;

EFI_LOADED_IMAGE my_loaded;

EFI_STATUS
efi_main (EFI_HANDLE image, EFI_SYSTEM_TABLE *systab)
{
        EFI_LOADED_IMAGE *loaded_image = NULL;
#if 0
        EFI_DEVICE_PATH *dev_path;
#endif
        EFI_STATUS status;

        InitializeLib(image, systab);
        status = uefi_call_wrapper(systab->BootServices->HandleProtocol,
                                3,
                                image, 
                                &LoadedImageProtocol, 
                                (void **) &loaded_image);
        if (EFI_ERROR(status)) {
                Print(L"handleprotocol: %r\n", status);
        }

#if 0
        BS->HandleProtocol(loaded_image->DeviceHandle, &DevicePathProtocol, (void **) &dev_path);

        Print(L"Image device      : %s\n", DevicePathToStr(dev_path));
        Print(L"Image file        : %s\n", DevicePathToStr(loaded_image->FilePath));
#endif
        Print(L"Image base        : %lx\n", loaded_image->ImageBase);
        Print(L"Image size        : %lx\n", loaded_image->ImageSize);
        Print(L"Load options size : %lx\n", loaded_image->LoadOptionsSize);
        Print(L"Load options      : %s\n", loaded_image->LoadOptions);

        return EFI_SUCCESS;
}