| 1 | /* coff information for Zilog Z80 |
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| 2 | Copyright 2005, 2010 Free Software Foundation, Inc. |
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| 3 | Contributed by Arnold Metselaar <arnold_m@operamail.com> |
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| 4 | |
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| 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 | |
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| 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 | |
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| 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 | |
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| 19 | #define L_LNNO_SIZE 4 |
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| 20 | #include "coff/external.h" |
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| 21 | |
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| 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 | |
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| 30 | /* Type of cpu is stored in flags. */ |
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| 31 | #define F_MACHMASK 0xF000 |
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| 32 | |
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| 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 | |
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| 42 | #define Z80MAGIC 0x805A |
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| 43 | |
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| 44 | #define Z80BADMAG(x) (((x).f_magic != Z80MAGIC)) |
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| 45 | |
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| 46 | /* Relocation directives. */ |
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| 47 | |
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| 48 | /* This format actually has more bits than we need. */ |
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| 49 | |
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| 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 | |
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| 59 | #define RELOC struct external_reloc |
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| 60 | #define RELSZ 16 |
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