Subversion Repositories Kolibri OS

Rev

Rev 5191 | Details | Compare with Previous | Last modification | View Log | RSS feed

Rev Author Line No. Line
5191 serge 1
/* coff information for TI TMS320C80 (MVP)
2
 
6324 serge 3
   Copyright (C) 2001-2015 Free Software Foundation, Inc.
5191 serge 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, Inc., 51 Franklin Street - Fifth Floor, Boston,
18
   MA 02110-1301, USA.  */
19
 
20
#define DO_NOT_DEFINE_FILHDR
21
#define DO_NOT_DEFINE_SCNHDR
22
#define L_LNNO_SIZE 2
23
#include "coff/external.h"
24
 
25
/********************** FILE HEADER **********************/
26
 
27
struct external_filehdr
28
  {
29
    char f_magic[2];	/* magic number			*/
30
    char f_nscns[2];	/* number of sections		*/
31
    char f_timdat[4];	/* time & date stamp		*/
32
    char f_symptr[4];	/* file pointer to symtab	*/
33
    char f_nsyms[4];	/* number of symtab entries	*/
34
    char f_opthdr[2];	/* sizeof(optional hdr)		*/
35
    char f_flags[2];	/* flags			*/
36
    char f_target_id[2];/* target id (TIc80 specific)	*/
37
};
38
 
39
#define	TIC80_ARCH_MAGIC	0x0C1	/* Goes in the file header magic number field */
40
#define TIC80_TARGET_ID		0x95	/* Goes in the target id field */
41
 
42
#define TIC80BADMAG(x) ((x).f_magic != TIC80_ARCH_MAGIC)
43
 
44
#define	FILHDR	struct external_filehdr
45
#define	FILHSZ	22
46
 
47
#define TIC80_AOUTHDR_MAGIC	0x108	/* Goes in the optional file header magic number field */
48
 
49
/********************** SECTION HEADER **********************/
50
 
51
struct external_scnhdr
52
{
53
	char		s_name[8];	/* section name			*/
54
	char		s_paddr[4];	/* physical address, aliased s_nlib */
55
	char		s_vaddr[4];	/* virtual address		*/
56
	char		s_size[4];	/* section size			*/
57
	char		s_scnptr[4];	/* file ptr to raw data for section */
58
	char		s_relptr[4];	/* file ptr to relocation	*/
59
	char		s_lnnoptr[4];	/* file ptr to line numbers	*/
60
	char		s_nreloc[2];	/* number of relocation entries	*/
61
	char		s_nlnno[2];	/* number of line number entries*/
62
	char		s_flags[2];	/* flags			*/
63
	char		s_reserved[1];	/* reserved (TIc80 specific)	*/
64
	char		s_mempage[1];	/* memory page number (TIc80)	*/
65
};
66
 
67
/* Names of "special" sections.  */
68
#define _TEXT	".text"
69
#define _DATA	".data"
70
#define _BSS	".bss"
71
#define _CINIT	".cinit"
72
#define _CONST	".const"
73
#define _SWITCH	".switch"
74
#define _STACK	".stack"
75
#define _SYSMEM	".sysmem"
76
 
77
#define	SCNHDR	struct external_scnhdr
78
#define	SCNHSZ	40
79
 
80
/* FIXME - need to correlate external_auxent with
81
   TIc80 Code Generation Tools User's Guide, CG:A-25 */
82
 
83
/********************** RELOCATION DIRECTIVES **********************/
84
 
85
/* The external reloc has an offset field, because some of the reloc
86
   types on the h8 don't have room in the instruction for the entire
87
   offset - eg the strange jump and high page addressing modes.  */
88
 
89
struct external_reloc
90
{
91
  char r_vaddr[4];
92
  char r_symndx[4];
93
  char r_reserved[2];
94
  char r_type[2];
95
};
96
 
97
#define RELOC struct external_reloc
98
#define RELSZ 12
99
 
100
/* TIc80 relocation types. */
101
 
102
#define R_ABS		0x00		/* Absolute address - no relocation */
103
#define R_RELLONGX	0x11		/* PP: 32 bits, direct */
104
#define R_PPBASE	0x34		/* PP: Global base address type */
105
#define R_PPLBASE	0x35		/* PP: Local base address type */
106
#define R_PP15		0x38		/* PP: Global 15 bit offset */
107
#define R_PP15W		0x39		/* PP: Global 15 bit offset divided by 4 */
108
#define R_PP15H		0x3A		/* PP: Global 15 bit offset divided by 2 */
109
#define R_PP16B		0x3B		/* PP: Global 16 bit offset for bytes */
110
#define R_PPL15		0x3C		/* PP: Local 15 bit offset */
111
#define R_PPL15W	0x3D		/* PP: Local 15 bit offset divided by 4 */
112
#define R_PPL15H	0x3E		/* PP: Local 15 bit offset divided by 2 */
113
#define R_PPL16B	0x3F		/* PP: Local 16 bit offset for bytes */
114
#define R_PPN15		0x40		/* PP: Global 15 bit negative offset */
115
#define R_PPN15W	0x41		/* PP: Global 15 bit negative offset divided by 4 */
116
#define R_PPN15H	0x42		/* PP: Global 15 bit negative offset divided by 2 */
117
#define R_PPN16B	0x43		/* PP: Global 16 bit negative byte offset */
118
#define R_PPLN15	0x44		/* PP: Local 15 bit negative offset */
119
#define R_PPLN15W	0x45		/* PP: Local 15 bit negative offset divided by 4 */
120
#define R_PPLN15H	0x46		/* PP: Local 15 bit negative offset divided by 2 */
121
#define R_PPLN16B	0x47		/* PP: Local 16 bit negative byte offset */
122
#define R_MPPCR15W	0x4E		/* MP: 15 bit PC-relative divided by 4 */
123
#define R_MPPCR		0x4F		/* MP: 32 bit PC-relative divided by 4 */