191 lines
5.6 KiB
C
191 lines
5.6 KiB
C
/* BFD back-end for Commodore-Amiga AmigaOS binaries. Data structures.
|
|
Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998
|
|
Free Software Foundation, Inc.
|
|
Contributed by Leonard Norrgard.
|
|
Extended by Stephan Thesing 11/1994.
|
|
|
|
This file is part of BFD, the Binary File Descriptor library.
|
|
|
|
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 2 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, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
|
|
|
|
/* Hunk ID numbers. */
|
|
|
|
#define HUNK_UNIT 999
|
|
#define HUNK_NAME 1000
|
|
#define HUNK_CODE 1001
|
|
#define HUNK_DATA 1002
|
|
#define HUNK_BSS 1003
|
|
#define HUNK_RELOC32 1004
|
|
#define HUNK_ABSRELOC32 HUNK_RELOC32
|
|
#define HUNK_RELOC16 1005
|
|
#define HUNK_RELRELOC16 HUNK_RELOC16
|
|
#define HUNK_RELOC8 1006
|
|
#define HUNK_RELRELOC8 HUNK_RELOC8
|
|
#define HUNK_EXT 1007
|
|
#define HUNK_SYMBOL 1008
|
|
#define HUNK_DEBUG 1009
|
|
#define HUNK_END 1010
|
|
#define HUNK_HEADER 1011
|
|
#define HUNK_OVERLAY 1013
|
|
#define HUNK_BREAK 1014
|
|
#define HUNK_DREL32 1015
|
|
#define HUNK_DREL16 1016
|
|
#define HUNK_DREL8 1017
|
|
#define HUNK_LIB 1018
|
|
#define HUNK_INDEX 1019
|
|
#define HUNK_RELOC32SHORT 1020
|
|
#define HUNK_RELRELOC32 1021
|
|
#define HUNK_ABSRELOC16 1022
|
|
/* EHF extensions */
|
|
#define HUNK_PPC_CODE 1257
|
|
#define HUNK_RELRELOC26 1260
|
|
|
|
/* The hunk ID part. */
|
|
|
|
#define HUNK_VALUE(hunk_id) ((hunk_id) & 0x3fffffff)
|
|
|
|
/* Attributes of a hunk. */
|
|
|
|
#define HUNK_ATTRIBUTE(hunk_id) ((hunk_id) >> 30)
|
|
#define HUNK_ATTR_CHIP 0x01 /* hunk content must go into chip ram */
|
|
#define HUNK_ATTR_FAST 0x02 /* fast */
|
|
#define HUNK_ATTR_FOLLOWS 0x03 /* mem id follows */
|
|
|
|
/* HUNK_EXT subtypes. */
|
|
|
|
#define EXT_SYMB 0
|
|
#define EXT_DEF 1
|
|
#define EXT_ABS 2
|
|
#define EXT_RES 3
|
|
#define EXT_REF32 129
|
|
#define EXT_ABSREF32 EXT_REF32
|
|
#define EXT_COMMON 130
|
|
#define EXT_ABSCOMMON EXT_COMMON
|
|
#define EXT_REF16 131
|
|
#define EXT_RELREF16 EXT_REF16
|
|
#define EXT_REF8 132
|
|
#define EXT_RELREF8 EXT_REF8
|
|
#define EXT_DEXT32 133
|
|
#define EXT_DEXT16 134
|
|
#define EXT_DEXT8 135
|
|
#define EXT_RELREF32 136
|
|
#define EXT_RELCOMMON 137
|
|
#define EXT_ABSREF16 138
|
|
#define EXT_ABSREF8 139
|
|
/* VBCC extensions */
|
|
#define EXT_DEXT32COMMON 208
|
|
#define EXT_DEXT16COMMON 209
|
|
#define EXT_DEXT8COMMON 210
|
|
/* EHF extensions */
|
|
#define EXT_RELREF26 229
|
|
|
|
/* HOWTO types almost matching aoutx.h/howto_table_std. */
|
|
|
|
enum {
|
|
H_ABS8=0,H_ABS16,H_ABS32,H_ABS32SHORT,H_PC8,H_PC16,H_PC32,H_PC32SHORT,H_SD8,H_SD16,H_SD32,H_PC26
|
|
};
|
|
|
|
/* Various structures. */
|
|
|
|
typedef struct amiga_reloc {
|
|
arelent relent;
|
|
struct amiga_reloc *next;
|
|
asymbol *symbol;
|
|
} amiga_reloc_type;
|
|
|
|
/* Structure layout *must* match libaout.h/struct aout_symbol. */
|
|
|
|
typedef struct amiga_symbol {
|
|
asymbol symbol;
|
|
short desc;
|
|
char other;
|
|
unsigned char type;
|
|
/* amiga data */
|
|
unsigned long index,refnum;
|
|
} amiga_symbol_type;
|
|
|
|
/* We take the address of the first element of an asymbol to ensure that the
|
|
macro is only ever applied to an asymbol. */
|
|
#define amiga_symbol(asymbol) ((amiga_symbol_type *)(&(asymbol)->the_bfd))
|
|
|
|
typedef struct raw_reloc {
|
|
unsigned long num,pos;
|
|
struct raw_reloc *next;
|
|
} raw_reloc_type;
|
|
|
|
typedef struct amiga_per_section {
|
|
amiga_reloc_type *reloc_tail; /* last reloc, first is in section->relocation */
|
|
int attribute; /* Memory type required by this section */
|
|
unsigned long disk_size; /* Section size on disk, _raw_size may be larger than this */
|
|
amiga_symbol_type *amiga_symbols; /* the symbols for this section */
|
|
unsigned long hunk_ext_pos; /* offset of hunk_ext in the bfd file */
|
|
unsigned long hunk_symbol_pos; /* offset of hunk_symbol in the bfd file */
|
|
raw_reloc_type *relocs;
|
|
} amiga_per_section_type;
|
|
|
|
#define amiga_per_section(x) ((amiga_per_section_type *)((x)->used_by_bfd))
|
|
|
|
/* Structure layout *must* match libaout.h/struct aoutdata. */
|
|
|
|
struct amiga_data {
|
|
char *dummy[2];
|
|
sec_ptr textsec;
|
|
sec_ptr datasec;
|
|
sec_ptr bsssec;
|
|
file_ptr sym_filepos;
|
|
file_ptr str_filepos;
|
|
/* rest intentionally omitted */
|
|
|
|
carsym *symdefs; /* the symdef entries */
|
|
symindex symdef_count; /* how many there are */
|
|
};
|
|
|
|
typedef struct amiga_data_struct {
|
|
struct amiga_data a;
|
|
unsigned long symtab_size;
|
|
unsigned long stringtab_size;
|
|
amiga_symbol_type *symbols;
|
|
bfd_boolean IsLoadFile; /* If true, this is a load file (for output bfd only) */
|
|
unsigned int nb_hunks;
|
|
/* The next two fields are set at final_link time (for the output bfd only) */
|
|
bfd_boolean baserel;/* true if there is ___init_a4 in the global hash table */
|
|
bfd_vma a4init; /* cache the value for efficiency */
|
|
} amiga_data_type;
|
|
|
|
#define adata(bfd) ((bfd)->tdata.amiga_data->a)
|
|
#define AMIGA_DATA(bfd) ((bfd)->tdata.amiga_data)
|
|
|
|
#define HUNKB_ADVISORY 29
|
|
#define HUNKB_CHIP 30
|
|
#define HUNKB_FAST 31
|
|
#define HUNKF_ADVISORY (1L << HUNKB_ADVISORY)
|
|
#define HUNKF_CHIP (1L << HUNKB_CHIP)
|
|
#define HUNKF_FAST (1L << HUNKB_FAST)
|
|
|
|
#ifndef MEMF_ANY
|
|
#define MEMF_ANY (0L)
|
|
#define MEMF_PUBLIC (1L << 0)
|
|
#define MEMF_CHIP (1L << 1)
|
|
#define MEMF_FAST (1L << 2)
|
|
#define MEMF_LOCAL (1L << 8)
|
|
#define MEMF_24BITDMA (1L << 9)
|
|
#define MEMF_KICK (1L << 10)
|
|
#define MEMF_CLEAR (1L << 16)
|
|
#define MEMF_LARGEST (1L << 17)
|
|
#define MEMF_REVERSE (1L << 18)
|
|
#define MEMF_TOTAL (1L << 19)
|
|
#define MEMF_NO_EXPUNGE (1L << 31)
|
|
#endif /* MEMF_ANY */
|