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