1 /* coff information for Zilog Z80 2 Copyright (C) 2005-2016 Free Software Foundation, Inc. 3 Contributed by Arnold Metselaar <arnold_m@operamail.com> 4 5 This program is free software; you can redistribute it and/or modify 6 it under the terms of the GNU General Public License as published by 7 the Free Software Foundation; either version 3 of the License, or 8 (at your option) any later version. 9 10 This program is distributed in the hope that it will be useful, 11 but WITHOUT ANY WARRANTY; without even the implied warranty of 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 GNU General Public License for more details. 14 15 You should have received a copy of the GNU General Public License 16 along with this program; if not, write to the Free Software 17 Foundation, 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */ 18 19 #define L_LNNO_SIZE 4 20 #include "coff/external.h" 21 22 /* z80 backend does not use dots in section names. */ 23 #undef _TEXT 24 #define _TEXT "text" 25 #undef _DATA 26 #define _DATA "data" 27 #undef _BSS 28 #define _BSS "bss" 29 30 /* Type of cpu is stored in flags. */ 31 #define F_MACHMASK 0xF000 32 33 /* Z80 COFF encodes the section alignment in the section header flags */ 34 #define COFF_ALIGN_IN_SECTION_HEADER 1 35 #define COFF_ALIGN_IN_S_FLAGS 1 36 #define F_ALGNMASK 0x0F00 37 /* requires a power-of-two argument */ 38 #define COFF_ENCODE_ALIGNMENT(S,X) ((S).s_flags |= (((unsigned)(X)&0xF)<<8)) 39 /* result is a power of two */ 40 #define COFF_DECODE_ALIGNMENT(X) (((X)>>8)&0xF) 41 42 #define Z80MAGIC 0x805A 43 44 #define Z80BADMAG(x) (((x).f_magic != Z80MAGIC)) 45 46 /* Relocation directives. */ 47 48 /* This format actually has more bits than we need. */ 49 50 struct external_reloc 51 { 52 char r_vaddr[4]; 53 char r_symndx[4]; 54 char r_offset[4]; 55 char r_type[2]; 56 char r_stuff[2]; 57 }; 58 59 #define RELOC struct external_reloc 60 #define RELSZ 16 61