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5191 | serge | 1 | /* coff information for Zilog Z80 |
6324 | serge | 2 | Copyright (C) 2005-2015 Free Software Foundation, Inc. |
5191 | serge | 3 | Contributed by Arnold Metselaar |
4 | |||
5 | This program is free software; you can redistribute it and/or modify |
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6 | it under the terms of the GNU General Public License as published by |
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7 | the Free Software Foundation; either version 3 of the License, or |
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8 | (at your option) any later version. |
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9 | |||
10 | This program is distributed in the hope that it will be useful, |
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11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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13 | GNU General Public License for more details. |
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14 | |||
15 | You should have received a copy of the GNU General Public License |
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16 | along with this program; if not, write to the Free Software |
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17 | Foundation, 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */ |
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18 | |||
19 | #define L_LNNO_SIZE 4 |
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20 | #include "coff/external.h" |
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21 | |||
22 | /* z80 backend does not use dots in section names. */ |
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23 | #undef _TEXT |
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24 | #define _TEXT "text" |
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25 | #undef _DATA |
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26 | #define _DATA "data" |
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27 | #undef _BSS |
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28 | #define _BSS "bss" |
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29 | |||
30 | /* Type of cpu is stored in flags. */ |
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31 | #define F_MACHMASK 0xF000 |
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32 | |||
33 | /* Z80 COFF encodes the section alignment in the section header flags */ |
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34 | #define COFF_ALIGN_IN_SECTION_HEADER 1 |
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35 | #define COFF_ALIGN_IN_S_FLAGS 1 |
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36 | #define F_ALGNMASK 0x0F00 |
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37 | /* requires a power-of-two argument */ |
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38 | #define COFF_ENCODE_ALIGNMENT(S,X) ((S).s_flags |= (((unsigned)(X)&0xF)<<8)) |
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39 | /* result is a power of two */ |
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40 | #define COFF_DECODE_ALIGNMENT(X) (((X)>>8)&0xF) |
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41 | |||
42 | #define Z80MAGIC 0x805A |
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43 | |||
44 | #define Z80BADMAG(x) (((x).f_magic != Z80MAGIC)) |
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45 | |||
46 | /* Relocation directives. */ |
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47 | |||
48 | /* This format actually has more bits than we need. */ |
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49 | |||
50 | struct external_reloc |
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51 | { |
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52 | char r_vaddr[4]; |
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53 | char r_symndx[4]; |
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54 | char r_offset[4]; |
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55 | char r_type[2]; |
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56 | char r_stuff[2]; |
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57 | }; |
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58 | |||
59 | #define RELOC struct external_reloc |
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60 | #define RELSZ 168)) |