| 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
|
|---|
| 17 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
|
|---|
| 18 |
|
|---|
| 19 | #define DO_NOT_DEFINE_FILHDR
|
|---|
| 20 | #define DO_NOT_DEFINE_SCNHDR
|
|---|
| 21 | #define L_LNNO_SIZE 2
|
|---|
| 22 | #include "coff/external.h"
|
|---|
| 23 |
|
|---|
| 24 | /********************** FILE HEADER **********************/
|
|---|
| 25 |
|
|---|
| 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) */
|
|---|
| 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 |
|
|---|
| 46 | #define TIC80_AOUTHDR_MAGIC 0x108 /* Goes in the optional file header magic number field */
|
|---|
| 47 |
|
|---|
| 48 | /********************** SECTION HEADER **********************/
|
|---|
| 49 |
|
|---|
| 50 | struct external_scnhdr
|
|---|
| 51 | {
|
|---|
| 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 |
|
|---|
| 66 | /* Names of "special" sections. */
|
|---|
| 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 |
|
|---|
| 76 | #define SCNHDR struct external_scnhdr
|
|---|
| 77 | #define SCNHSZ 40
|
|---|
| 78 |
|
|---|
| 79 | /* FIXME - need to correlate external_auxent with
|
|---|
| 80 | TIc80 Code Generation Tools User's Guide, CG:A-25 */
|
|---|
| 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
|
|---|
| 86 | offset - eg the strange jump and high page addressing modes. */
|
|---|
| 87 |
|
|---|
| 88 | struct external_reloc
|
|---|
| 89 | {
|
|---|
| 90 | char r_vaddr[4];
|
|---|
| 91 | char r_symndx[4];
|
|---|
| 92 | char r_reserved[2];
|
|---|
| 93 | char r_type[2];
|
|---|
| 94 | };
|
|---|
| 95 |
|
|---|
| 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 */
|
|---|