1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
|
/* coff information for TI TMS320C80 (MVP)
Copyright (C) 2001-2014 Free Software Foundation, Inc.
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, Inc., 51 Franklin Street - Fifth Floor, Boston,
MA 02110-1301, USA. */
#define DO_NOT_DEFINE_FILHDR
#define DO_NOT_DEFINE_SCNHDR
#define L_LNNO_SIZE 2
#include "coff/external.h"
/********************** FILE HEADER **********************/
struct external_filehdr
{
char f_magic[2]; /* magic number */
char f_nscns[2]; /* number of sections */
char f_timdat[4]; /* time & date stamp */
char f_symptr[4]; /* file pointer to symtab */
char f_nsyms[4]; /* number of symtab entries */
char f_opthdr[2]; /* sizeof(optional hdr) */
char f_flags[2]; /* flags */
char f_target_id[2];/* target id (TIc80 specific) */
};
#define TIC80_ARCH_MAGIC 0x0C1 /* Goes in the file header magic number field */
#define TIC80_TARGET_ID 0x95 /* Goes in the target id field */
#define TIC80BADMAG(x) ((x).f_magic != TIC80_ARCH_MAGIC)
#define FILHDR struct external_filehdr
#define FILHSZ 22
#define TIC80_AOUTHDR_MAGIC 0x108 /* Goes in the optional file header magic number field */
/********************** SECTION HEADER **********************/
struct external_scnhdr
{
char s_name[8]; /* section name */
char s_paddr[4]; /* physical address, aliased s_nlib */
char s_vaddr[4]; /* virtual address */
char s_size[4]; /* section size */
char s_scnptr[4]; /* file ptr to raw data for section */
char s_relptr[4]; /* file ptr to relocation */
char s_lnnoptr[4]; /* file ptr to line numbers */
char s_nreloc[2]; /* number of relocation entries */
char s_nlnno[2]; /* number of line number entries*/
char s_flags[2]; /* flags */
char s_reserved[1]; /* reserved (TIc80 specific) */
char s_mempage[1]; /* memory page number (TIc80) */
};
/* Names of "special" sections. */
#define _TEXT ".text"
#define _DATA ".data"
#define _BSS ".bss"
#define _CINIT ".cinit"
#define _CONST ".const"
#define _SWITCH ".switch"
#define _STACK ".stack"
#define _SYSMEM ".sysmem"
#define SCNHDR struct external_scnhdr
#define SCNHSZ 40
/* FIXME - need to correlate external_auxent with
TIc80 Code Generation Tools User's Guide, CG:A-25 */
/********************** RELOCATION DIRECTIVES **********************/
/* The external reloc has an offset field, because some of the reloc
types on the h8 don't have room in the instruction for the entire
offset - eg the strange jump and high page addressing modes. */
struct external_reloc
{
char r_vaddr[4];
char r_symndx[4];
char r_reserved[2];
char r_type[2];
};
#define RELOC struct external_reloc
#define RELSZ 12
/* TIc80 relocation types. */
#define R_ABS 0x00 /* Absolute address - no relocation */
#define R_RELLONGX 0x11 /* PP: 32 bits, direct */
#define R_PPBASE 0x34 /* PP: Global base address type */
#define R_PPLBASE 0x35 /* PP: Local base address type */
#define R_PP15 0x38 /* PP: Global 15 bit offset */
#define R_PP15W 0x39 /* PP: Global 15 bit offset divided by 4 */
#define R_PP15H 0x3A /* PP: Global 15 bit offset divided by 2 */
#define R_PP16B 0x3B /* PP: Global 16 bit offset for bytes */
#define R_PPL15 0x3C /* PP: Local 15 bit offset */
#define R_PPL15W 0x3D /* PP: Local 15 bit offset divided by 4 */
#define R_PPL15H 0x3E /* PP: Local 15 bit offset divided by 2 */
#define R_PPL16B 0x3F /* PP: Local 16 bit offset for bytes */
#define R_PPN15 0x40 /* PP: Global 15 bit negative offset */
#define R_PPN15W 0x41 /* PP: Global 15 bit negative offset divided by 4 */
#define R_PPN15H 0x42 /* PP: Global 15 bit negative offset divided by 2 */
#define R_PPN16B 0x43 /* PP: Global 16 bit negative byte offset */
#define R_PPLN15 0x44 /* PP: Local 15 bit negative offset */
#define R_PPLN15W 0x45 /* PP: Local 15 bit negative offset divided by 4 */
#define R_PPLN15H 0x46 /* PP: Local 15 bit negative offset divided by 2 */
#define R_PPLN16B 0x47 /* PP: Local 16 bit negative byte offset */
#define R_MPPCR15W 0x4E /* MP: 15 bit PC-relative divided by 4 */
#define R_MPPCR 0x4F /* MP: 32 bit PC-relative divided by 4 */
|
