- // Currently this only builds a COF absolute file. Conditionals and additional code will
- // need to be added for ABS and partial linking.
-
- // Build the COF_HDR
- putword(himage + 0, 0x0150 ); // Magic Number (0x0150)
- putword(himage + 2, 0x0003 ); // Sections Number (3)
- putlong(himage + 4, 0x00000000 ); // Date (0L)
- putlong(himage + 8, dsoff + header->dsize); // Offset to Symbols Section
- putlong(himage + 12, ost_index); // Number of Symbols
- putword(himage + 16, 0x001C ); // Size of RUN_HDR (0x1C)
- putword(himage + 18, 0x0003 ); // Executable Flags (3)
-
- // Build the RUN_HDR
- putlong(himage + 20, 0x00000107 ); // Magic/vstamp
- putlong(himage + 24, header->tsize ); // TEXT size in bytes
- putlong(himage + 28, header->dsize ); // DATA size in bytes
- putlong(himage + 32, header->bsize ); // BSS size in bytes
- putlong(himage + 36, tbase ); // Start of executable, normally @TEXT
- putlong(himage + 40, tbase ); // @TEXT
- putlong(himage + 44, dbase ); // @DATA
-
- // Build the TEXT SEC_HDR
- putlong(himage + 48, 0x2E746578 );
- putlong(himage + 52, 0x74000000 ); // ".text"
- putlong(himage + 56, tbase ); // TEXT START
- putlong(himage + 60, tbase ); // TEXT START
- putlong(himage + 64, header->tsize ); // TEXT size in bytes
- putlong(himage + 68, tsoff ); // Offset to section data in file
- putlong(himage + 72, 0x00000000 ); // Offset to section reloc in file (0L)
- putlong(himage + 76, 0x00000000 ); // Offset to debug lines structures (0L)
- putlong(himage + 80, 0x00000000 ); // Nreloc/nlnno (0L)
- putlong(himage + 84, 0x00000020 ); // SEC_FLAGS: STYP_TEXT
-
- // Build the DATA SEC_HDR
- putlong(himage + 88, 0x2E646174 );
- putlong(himage + 92, 0x61000000 ); // ".data"
- putlong(himage + 96, dbase ); // DATA START
- putlong(himage + 100, dbase ); // DATA START
- putlong(himage + 104, header->dsize ); // DATA size in bytes
- putlong(himage + 108, dsoff ); // Offset to section data in file
- putlong(himage + 112, 0x00000000 ); // Offset to section reloc in file (0L)
- putlong(himage + 116, 0x00000000 ); // Offset to debugging lines structures (0L)
- putlong(himage + 120, 0x00000000 ); // Nreloc/nlnno (0L)
- putlong(himage + 124, 0x00000040 ); // SEC_FLAGS: STYP_DATA
-
- // Build the BSS SEC_HDR
- putlong(himage + 128, 0x2E627373 );
- putlong(himage + 132, 0x00000000 ); // ".bss"
- putlong(himage + 136, bbase ); // BSS START
- putlong(himage + 140, bbase ); // BSS START
- putlong(himage + 144, header->bsize ); // BSS size in bytes
- putlong(himage + 148, bsoff ); // Offset to section data in file
- putlong(himage + 152, 0x00000000 ); // Offset to section reloc in file (0L)
- putlong(himage + 156, 0x00000000 ); // Offset to debugging lines structures (0L)
- putlong(himage + 160, 0x00000000 ); // Nreloc/nlnno (0L)
- putlong(himage + 164, 0x00000080 ); // SEC_FLAGS: STYP_BSS
-
- symoffset = 168; // Update symbol offset
- } else { // Absolute (ABS) header
- // Build the ABS header
- putword(himage + 0, 0x601B ); // Magic Number (0x601B)
- putlong(himage + 2, header->tsize ); // TEXT segment size
- putlong(himage + 6, header->dsize ); // DATA segment size
- putlong(himage + 10, header->bsize ); // BSS segment size
- putlong(himage + 14, ost_index * 14 ); // Symbol table size (?)
- putlong(himage + 18, 0x00000000 ); //
- putlong(himage + 22, tbase ); // TEXT base address
- putword(himage + 26, 0xFFFF ); // Flags (?)
- putlong(himage + 28, dbase ); // DATA base address
- putlong(himage + 32, bbase ); // BSS base address
-
- symoffset = 36; // Update symbol offset
- }