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4f1d9bd8 NC |
1 | /* coff information for TI TMS320C80 (MVP) |
2 | ||
3 | Copyright 2001 Free Software Foundation, Inc. | |
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 2 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 | |
e172dbf8 | 17 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */ |
4f1d9bd8 NC |
18 | |
19 | #define DO_NOT_DEFINE_FILHDR | |
20 | #define DO_NOT_DEFINE_SCNHDR | |
21 | #define L_LNNO_SIZE 2 | |
22 | #include "coff/external.h" | |
252b5132 RH |
23 | |
24 | /********************** FILE HEADER **********************/ | |
25 | ||
4f1d9bd8 NC |
26 | struct external_filehdr |
27 | { | |
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) */ | |
252b5132 RH |
36 | }; |
37 | ||
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 */ | |
40 | ||
41 | #define TIC80BADMAG(x) ((x).f_magic != TIC80_ARCH_MAGIC) | |
42 | ||
43 | #define FILHDR struct external_filehdr | |
44 | #define FILHSZ 22 | |
45 | ||
252b5132 RH |
46 | #define TIC80_AOUTHDR_MAGIC 0x108 /* Goes in the optional file header magic number field */ |
47 | ||
252b5132 RH |
48 | /********************** SECTION HEADER **********************/ |
49 | ||
4f1d9bd8 NC |
50 | struct external_scnhdr |
51 | { | |
252b5132 RH |
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) */ | |
64 | }; | |
65 | ||
4f1d9bd8 | 66 | /* Names of "special" sections. */ |
252b5132 RH |
67 | #define _TEXT ".text" |
68 | #define _DATA ".data" | |
69 | #define _BSS ".bss" | |
70 | #define _CINIT ".cinit" | |
71 | #define _CONST ".const" | |
72 | #define _SWITCH ".switch" | |
73 | #define _STACK ".stack" | |
74 | #define _SYSMEM ".sysmem" | |
75 | ||
252b5132 RH |
76 | #define SCNHDR struct external_scnhdr |
77 | #define SCNHSZ 40 | |
252b5132 | 78 | |
4f1d9bd8 NC |
79 | /* FIXME - need to correlate external_auxent with |
80 | TIc80 Code Generation Tools User's Guide, CG:A-25 */ | |
252b5132 RH |
81 | |
82 | /********************** RELOCATION DIRECTIVES **********************/ | |
83 | ||
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 | |
4f1d9bd8 | 86 | offset - eg the strange jump and high page addressing modes. */ |
252b5132 | 87 | |
4f1d9bd8 NC |
88 | struct external_reloc |
89 | { | |
252b5132 RH |
90 | char r_vaddr[4]; |
91 | char r_symndx[4]; | |
92 | char r_reserved[2]; | |
93 | char r_type[2]; | |
94 | }; | |
95 | ||
252b5132 RH |
96 | #define RELOC struct external_reloc |
97 | #define RELSZ 12 | |
98 | ||
99 | /* TIc80 relocation types. */ | |
100 | ||
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 */ |