mirror of
https://github.com/autc04/Retro68.git
synced 2024-11-24 07:31:32 +00:00
61 lines
1.8 KiB
C
61 lines
1.8 KiB
C
/* coff information for Zilog Z80
|
|
Copyright (C) 2005-2014 Free Software Foundation, Inc.
|
|
Contributed by Arnold Metselaar <arnold_m@operamail.com>
|
|
|
|
This program is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation; either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program; if not, write to the Free Software
|
|
Foundation, 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */
|
|
|
|
#define L_LNNO_SIZE 4
|
|
#include "coff/external.h"
|
|
|
|
/* z80 backend does not use dots in section names. */
|
|
#undef _TEXT
|
|
#define _TEXT "text"
|
|
#undef _DATA
|
|
#define _DATA "data"
|
|
#undef _BSS
|
|
#define _BSS "bss"
|
|
|
|
/* Type of cpu is stored in flags. */
|
|
#define F_MACHMASK 0xF000
|
|
|
|
/* Z80 COFF encodes the section alignment in the section header flags */
|
|
#define COFF_ALIGN_IN_SECTION_HEADER 1
|
|
#define COFF_ALIGN_IN_S_FLAGS 1
|
|
#define F_ALGNMASK 0x0F00
|
|
/* requires a power-of-two argument */
|
|
#define COFF_ENCODE_ALIGNMENT(S,X) ((S).s_flags |= (((unsigned)(X)&0xF)<<8))
|
|
/* result is a power of two */
|
|
#define COFF_DECODE_ALIGNMENT(X) (((X)>>8)&0xF)
|
|
|
|
#define Z80MAGIC 0x805A
|
|
|
|
#define Z80BADMAG(x) (((x).f_magic != Z80MAGIC))
|
|
|
|
/* Relocation directives. */
|
|
|
|
/* This format actually has more bits than we need. */
|
|
|
|
struct external_reloc
|
|
{
|
|
char r_vaddr[4];
|
|
char r_symndx[4];
|
|
char r_offset[4];
|
|
char r_type[2];
|
|
char r_stuff[2];
|
|
};
|
|
|
|
#define RELOC struct external_reloc
|
|
#define RELSZ 16
|