/* $Id: neexe.h,v 1.4 1993/07/04 04:04:21 root Exp root $ */ /* * Copyright Robert J. Amstadt, 1993 */ #ifndef NEEXE_H #define NEEXE_H /* * Old MZ header for DOS programs. Actually just a couple of fields * from it, so that we can find the start of the NE header. */ struct mz_header_s { u_char dont_care1[0x18]; /* MZ Header stuff */ u_char must_be_0x40; /* 0x40 for non-MZ program */ u_char dont_care2[0x23]; /* More MZ header stuff */ u_short ne_offset; /* Offset to extended header */ }; /* * This is the Windows executable (NE) header. */ struct ne_header_s { char header_type[2]; /* Must contain 'N' 'E' */ u_char linker_version; /* Linker version number */ u_char linker_revision; /* Linker revision number */ u_short entry_tab_offset; /* Offset to entry table relative to NE */ u_short entry_tab_length; /* Length of entry table in bytes */ u_long reserved1; /* Reserved by Microsoft */ u_short format_flags; /* Flags about segments in this file */ u_short auto_data_seg; /* Automatic data segment number */ u_short local_heap_length; /* Initial size of local heap */ u_short stack_length; /* Initial size of stack */ u_short ip; /* Initial IP */ u_short cs; /* Initial CS */ u_short sp; /* Initial SP */ u_short ss; /* Initial SS */ u_short n_segment_tab; /* # of entries in segment table */ u_short n_mod_ref_tab; /* # of entries in module reference tab.*/ u_short nrname_tab_length; /* Length of nonresident-name table */ u_short segment_tab_offset; /* Offset to segment table */ u_short resource_tab_offset;/* Offset to resource table */ u_short rname_tab_offset; /* Offset to resident-name table */ u_short moduleref_tab_offset;/* Offset to module reference table */ u_short iname_tab_offset; /* Offset to imported name table */ u_long nrname_tab_offset; /* Offset to nonresident-name table */ u_short n_mov_entry_points; /* # of movable entry points */ u_short align_shift_count; /* Logical sector alignment shift count */ u_short n_resource_seg; /* # of resource segments */ u_char operating_system; /* Flags indicating target OS */ u_char additional_flags; /* Additional information flags */ u_short fastload_offset; /* Offset to fast load area */ u_short fastload_length; /* Length of fast load area */ u_short reserved2; /* Reserved by Microsoft */ u_short expect_version; /* Expected Windows version number */ }; /* * NE Header FORMAT FLAGS */ #define NE_FFLAGS_SINGLEDATA 0x0001 #define NE_FFLAGS_MULTIPLEDATA 0x0002 #define NE_FFLAGS_SELFLOAD 0x0800 #define NE_FFLAGS_LINKERROR 0x2000 #define NE_FFLAGS_LIBMODULE 0x8000 /* * NE Header OPERATING SYSTEM */ #define NE_OSFLAGS_UNKNOWN 0x01 #define NE_OSFLAGS_WINDOWS 0x04 /* * NE Header ADDITIONAL FLAGS */ #define NE_AFLAGS_WIN2_PROTMODE 0x02 #define NE_AFLAGS_WIN2_PROFONTS 0x04 #define NE_AFLAGS_FASTLOAD 0x08 /* * Segment table entry */ struct ne_segment_table_entry_s { u_short seg_data_offset; /* Sector offset of segment data */ u_short seg_data_length; /* Length of segment data */ u_short seg_flags; /* Flags associated with this segment */ u_short min_alloc; /* Minimum allocation size for this */ }; /* * Segment Flags */ #define NE_SEGFLAGS_DATA 0x0001 #define NE_SEGFLAGS_ALLOCATED 0x0002 #define NE_SEGFLAGS_LOADED 0x0004 #define NE_SEGFLAGS_MOVEABLE 0x0010 #define NE_SEGFLAGS_SHAREABLE 0x0020 #define NE_SEGFLAGS_PRELOAD 0x0040 #define NE_SEGFLAGS_EXECUTEONLY 0x0080 #define NE_SEGFLAGS_READONLY 0x0080 #define NE_SEGFLAGS_RELOC_DATA 0x0100 #define NE_SEGFLAGS_DISCARDABLE 0x1000 /* * Relocation table entry */ struct relocation_entry_s { u_char address_type; /* Relocation address type */ u_char relocation_type; /* Relocation type */ u_short offset; /* Offset in segment to fixup */ u_short target1; /* Target specification */ u_short target2; /* Target specification */ }; /* * Relocation address types */ #define NE_RADDR_LOWBYTE 0 #define NE_RADDR_SELECTOR 2 #define NE_RADDR_POINTER32 3 #define NE_RADDR_OFFSET16 5 #define NE_RADDR_POINTER48 11 #define NE_RADDR_OFFSET32 13 /* * Relocation types */ #define NE_RELTYPE_INTERNAL 0 #define NE_RELTYPE_ORDINAL 1 #define NE_RELTYPE_NAME 2 #define NE_RELTYPE_OSFIXUP 3 /* Used by Windows 3.0 programs, like when getting selector to be given to makeprocinst */ #define NE_RELTYPE_INT1 4 #define NE_RELTYPE_ORDINALADD 5 #define NE_RELTYPE_NAMEADD 6 /* * DOS PSP */ struct dos_psp_s { unsigned short pspInt20; unsigned short pspNextParagraph; unsigned char pspReserved1; unsigned char pspDispatcher[5]; unsigned short pspTerminateVector[2]; unsigned short pspControlCVector[2]; unsigned short pspCritErrorVector[2]; unsigned short pspReserved2[11]; unsigned short pspEnvironment; unsigned short pspReserved3[23]; unsigned char pspFCB_1[16]; unsigned char pspFCB_2[16]; unsigned char pspReserved4[4]; unsigned char pspCommandTailCount; unsigned char pspCommandTail[128]; }; /* * Entry table structures. */ struct entry_tab_header_s { unsigned char n_entries; unsigned char seg_number; }; struct entry_tab_movable_s { unsigned char flags; unsigned char int3f[2]; unsigned char seg_number; unsigned short offset; }; struct entry_tab_fixed_s { unsigned char flags; unsigned char offset[2]; }; /* * Resource table structures. */ struct resource_nameinfo_s { unsigned short offset; unsigned short length; unsigned short flags; unsigned short id; unsigned short handle; unsigned short usage; }; struct resource_typeinfo_s { unsigned short type_id; /* Type identifier */ unsigned short count; /* Number of resources of this type */ unsigned long reserved; /* * Name info array. */ }; #define NE_RSCTYPE_ACCELERATOR 0x8009 #define NE_RSCTYPE_BITMAP 0x8002 #define NE_RSCTYPE_CURSOR 0x8001 #define NE_RSCTYPE_DIALOG 0x8005 #define NE_RSCTYPE_FONT 0x8008 #define NE_RSCTYPE_FONTDIR 0x8007 #define NE_RSCTYPE_GROUP_CURSOR 0x800c #define NE_RSCTYPE_GROUP_ICON 0x800e #define NE_RSCTYPE_ICON 0x8003 #define NE_RSCTYPE_MENU 0x8004 #define NE_RSCTYPE_RCDATA 0x800a #define NE_RSCTYPE_STRING 0x8006 int load_typeinfo (int, struct resource_typeinfo_s *); int load_nameinfo (int, struct resource_nameinfo_s *); #endif /* NEEXE_H */