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3c9b82ba | 1 | /* coff information for Zilog Z80 |
6f2750fe | 2 | Copyright (C) 2005-2016 Free Software Foundation, Inc. |
3c9b82ba NC |
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 | |
e4e42b45 | 7 | the Free Software Foundation; either version 3 of the License, or |
3c9b82ba NC |
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 | ||
e2f12e38 AM |
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 | ||
3c9b82ba NC |
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 |