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., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, 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 26struct 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 50struct 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 88struct 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 */ 123