123 lines
4.6 KiB
C
123 lines
4.6 KiB
C
/* coff information for TI TMS320C80 (MVP)
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Copyright 2001 Free Software Foundation, Inc.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */
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#define DO_NOT_DEFINE_FILHDR
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#define DO_NOT_DEFINE_SCNHDR
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#define L_LNNO_SIZE 2
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#include "coff/external.h"
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/********************** FILE HEADER **********************/
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struct external_filehdr
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{
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char f_magic[2]; /* magic number */
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char f_nscns[2]; /* number of sections */
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char f_timdat[4]; /* time & date stamp */
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char f_symptr[4]; /* file pointer to symtab */
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char f_nsyms[4]; /* number of symtab entries */
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char f_opthdr[2]; /* sizeof(optional hdr) */
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char f_flags[2]; /* flags */
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char f_target_id[2];/* target id (TIc80 specific) */
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};
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#define TIC80_ARCH_MAGIC 0x0C1 /* Goes in the file header magic number field */
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#define TIC80_TARGET_ID 0x95 /* Goes in the target id field */
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#define TIC80BADMAG(x) ((x).f_magic != TIC80_ARCH_MAGIC)
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#define FILHDR struct external_filehdr
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#define FILHSZ 22
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#define TIC80_AOUTHDR_MAGIC 0x108 /* Goes in the optional file header magic number field */
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/********************** SECTION HEADER **********************/
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struct external_scnhdr
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{
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char s_name[8]; /* section name */
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char s_paddr[4]; /* physical address, aliased s_nlib */
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char s_vaddr[4]; /* virtual address */
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char s_size[4]; /* section size */
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char s_scnptr[4]; /* file ptr to raw data for section */
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char s_relptr[4]; /* file ptr to relocation */
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char s_lnnoptr[4]; /* file ptr to line numbers */
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char s_nreloc[2]; /* number of relocation entries */
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char s_nlnno[2]; /* number of line number entries*/
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char s_flags[2]; /* flags */
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char s_reserved[1]; /* reserved (TIc80 specific) */
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char s_mempage[1]; /* memory page number (TIc80) */
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};
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/* Names of "special" sections. */
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#define _TEXT ".text"
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#define _DATA ".data"
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#define _BSS ".bss"
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#define _CINIT ".cinit"
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#define _CONST ".const"
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#define _SWITCH ".switch"
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#define _STACK ".stack"
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#define _SYSMEM ".sysmem"
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#define SCNHDR struct external_scnhdr
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#define SCNHSZ 40
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/* FIXME - need to correlate external_auxent with
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TIc80 Code Generation Tools User's Guide, CG:A-25 */
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/********************** RELOCATION DIRECTIVES **********************/
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/* The external reloc has an offset field, because some of the reloc
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types on the h8 don't have room in the instruction for the entire
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offset - eg the strange jump and high page addressing modes. */
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struct external_reloc
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{
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char r_vaddr[4];
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char r_symndx[4];
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char r_reserved[2];
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char r_type[2];
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};
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#define RELOC struct external_reloc
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#define RELSZ 12
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/* TIc80 relocation types. */
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#define R_ABS 0x00 /* Absolute address - no relocation */
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#define R_RELLONGX 0x11 /* PP: 32 bits, direct */
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#define R_PPBASE 0x34 /* PP: Global base address type */
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#define R_PPLBASE 0x35 /* PP: Local base address type */
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#define R_PP15 0x38 /* PP: Global 15 bit offset */
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#define R_PP15W 0x39 /* PP: Global 15 bit offset divided by 4 */
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#define R_PP15H 0x3A /* PP: Global 15 bit offset divided by 2 */
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#define R_PP16B 0x3B /* PP: Global 16 bit offset for bytes */
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#define R_PPL15 0x3C /* PP: Local 15 bit offset */
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#define R_PPL15W 0x3D /* PP: Local 15 bit offset divided by 4 */
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#define R_PPL15H 0x3E /* PP: Local 15 bit offset divided by 2 */
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#define R_PPL16B 0x3F /* PP: Local 16 bit offset for bytes */
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#define R_PPN15 0x40 /* PP: Global 15 bit negative offset */
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#define R_PPN15W 0x41 /* PP: Global 15 bit negative offset divided by 4 */
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#define R_PPN15H 0x42 /* PP: Global 15 bit negative offset divided by 2 */
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#define R_PPN16B 0x43 /* PP: Global 16 bit negative byte offset */
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#define R_PPLN15 0x44 /* PP: Local 15 bit negative offset */
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#define R_PPLN15W 0x45 /* PP: Local 15 bit negative offset divided by 4 */
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#define R_PPLN15H 0x46 /* PP: Local 15 bit negative offset divided by 2 */
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#define R_PPLN16B 0x47 /* PP: Local 16 bit negative byte offset */
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#define R_MPPCR15W 0x4E /* MP: 15 bit PC-relative divided by 4 */
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#define R_MPPCR 0x4F /* MP: 32 bit PC-relative divided by 4 */
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