source: trunk/libs/newlib/src/include/coff/z80.h @ 444

Last change on this file since 444 was 444, checked in by satin@…, 6 years ago

add newlib,libalmos-mkh, restructure shared_syscalls.h and mini-libc

File size: 1.8 KB
Line 
1/* coff information for Zilog Z80
2   Copyright 2005, 2010 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
50struct 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
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