#define IMAGE_NUMBEROF_DIRECTORY_ENTRIES 16
+/* PE32+ Subsystem type for EFI images */
+#define IMAGE_SUBSYSTEM_EFI_APPLICATION 10
+#define IMAGE_SUBSYSTEM_EFI_BOOT_SERVICE_DRIVER 11
+#define IMAGE_SUBSYSTEM_EFI_RUNTIME_DRIVER 12
+#define IMAGE_SUBSYSTEM_SAL_RUNTIME_DRIVER 13
+
typedef struct _IMAGE_OPTIONAL_HEADER64 {
uint16_t Magic; /* 0x20b */
uint8_t MajorLinkerVersion;