1 /* coff information for TI TMS320C80 (MVP) 2 3 Copyright (C) 2001-2018 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 3 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, 18 MA 02110-1301, USA. */ 19 20 #define DO_NOT_DEFINE_FILHDR 21 #define DO_NOT_DEFINE_SCNHDR 22 #define L_LNNO_SIZE 2 23 #include "coff/external.h" 24 25 /********************** FILE HEADER **********************/ 26 27 struct external_filehdr 28 { 29 char f_magic[2]; /* magic number */ 30 char f_nscns[2]; /* number of sections */ 31 char f_timdat[4]; /* time & date stamp */ 32 char f_symptr[4]; /* file pointer to symtab */ 33 char f_nsyms[4]; /* number of symtab entries */ 34 char f_opthdr[2]; /* sizeof(optional hdr) */ 35 char f_flags[2]; /* flags */ 36 char f_target_id[2];/* target id (TIc80 specific) */ 37 }; 38 39 #define TIC80_ARCH_MAGIC 0x0C1 /* Goes in the file header magic number field */ 40 #define TIC80_TARGET_ID 0x95 /* Goes in the target id field */ 41 42 #define TIC80BADMAG(x) ((x).f_magic != TIC80_ARCH_MAGIC) 43 44 #define FILHDR struct external_filehdr 45 #define FILHSZ 22 46 47 #define TIC80_AOUTHDR_MAGIC 0x108 /* Goes in the optional file header magic number field */ 48 49 /********************** SECTION HEADER **********************/ 50 51 struct external_scnhdr 52 { 53 char s_name[8]; /* section name */ 54 char s_paddr[4]; /* physical address, aliased s_nlib */ 55 char s_vaddr[4]; /* virtual address */ 56 char s_size[4]; /* section size */ 57 char s_scnptr[4]; /* file ptr to raw data for section */ 58 char s_relptr[4]; /* file ptr to relocation */ 59 char s_lnnoptr[4]; /* file ptr to line numbers */ 60 char s_nreloc[2]; /* number of relocation entries */ 61 char s_nlnno[2]; /* number of line number entries*/ 62 char s_flags[2]; /* flags */ 63 char s_reserved[1]; /* reserved (TIc80 specific) */ 64 char s_mempage[1]; /* memory page number (TIc80) */ 65 }; 66 67 /* Names of "special" sections. */ 68 #define _TEXT ".text" 69 #define _DATA ".data" 70 #define _BSS ".bss" 71 #define _CINIT ".cinit" 72 #define _CONST ".const" 73 #define _SWITCH ".switch" 74 #define _STACK ".stack" 75 #define _SYSMEM ".sysmem" 76 77 #define SCNHDR struct external_scnhdr 78 #define SCNHSZ 40 79 80 /* FIXME - need to correlate external_auxent with 81 TIc80 Code Generation Tools User's Guide, CG:A-25 */ 82 83 /********************** RELOCATION DIRECTIVES **********************/ 84 85 /* The external reloc has an offset field, because some of the reloc 86 types on the h8 don't have room in the instruction for the entire 87 offset - eg the strange jump and high page addressing modes. */ 88 89 struct external_reloc 90 { 91 char r_vaddr[4]; 92 char r_symndx[4]; 93 char r_reserved[2]; 94 char r_type[2]; 95 }; 96 97 #define RELOC struct external_reloc 98 #define RELSZ 12 99 100 /* TIc80 relocation types. */ 101 102 #define R_ABS 0x00 /* Absolute address - no relocation */ 103 #define R_RELLONGX 0x11 /* PP: 32 bits, direct */ 104 #define R_PPBASE 0x34 /* PP: Global base address type */ 105 #define R_PPLBASE 0x35 /* PP: Local base address type */ 106 #define R_PP15 0x38 /* PP: Global 15 bit offset */ 107 #define R_PP15W 0x39 /* PP: Global 15 bit offset divided by 4 */ 108 #define R_PP15H 0x3A /* PP: Global 15 bit offset divided by 2 */ 109 #define R_PP16B 0x3B /* PP: Global 16 bit offset for bytes */ 110 #define R_PPL15 0x3C /* PP: Local 15 bit offset */ 111 #define R_PPL15W 0x3D /* PP: Local 15 bit offset divided by 4 */ 112 #define R_PPL15H 0x3E /* PP: Local 15 bit offset divided by 2 */ 113 #define R_PPL16B 0x3F /* PP: Local 16 bit offset for bytes */ 114 #define R_PPN15 0x40 /* PP: Global 15 bit negative offset */ 115 #define R_PPN15W 0x41 /* PP: Global 15 bit negative offset divided by 4 */ 116 #define R_PPN15H 0x42 /* PP: Global 15 bit negative offset divided by 2 */ 117 #define R_PPN16B 0x43 /* PP: Global 16 bit negative byte offset */ 118 #define R_PPLN15 0x44 /* PP: Local 15 bit negative offset */ 119 #define R_PPLN15W 0x45 /* PP: Local 15 bit negative offset divided by 4 */ 120 #define R_PPLN15H 0x46 /* PP: Local 15 bit negative offset divided by 2 */ 121 #define R_PPLN16B 0x47 /* PP: Local 16 bit negative byte offset */ 122 #define R_MPPCR15W 0x4E /* MP: 15 bit PC-relative divided by 4 */ 123 #define R_MPPCR 0x4F /* MP: 32 bit PC-relative divided by 4 */ 124