text: /* coff information for TI TMS320C80 (MVP)
     
     Copyright 2001, 2010 Free Software Foundation, Inc.
  
     This program is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
     the Free Software Foundation; either version 3 of the License, or
     (at your option) any later version.
     
     This program is distributed in the hope that it will be useful,
     but WITHOUT ANY WARRANTY; without even the implied warranty of
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     GNU General Public License for more details.
     
     You should have received a copy of the GNU General Public License
     along with this program; if not, write to the Free Software
     Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
     MA 02110-1301, USA.  */
  
  #define DO_NOT_DEFINE_FILHDR
  #define DO_NOT_DEFINE_SCNHDR
  #define L_LNNO_SIZE 2
  #include "coff/external.h"
  
  /********************** FILE HEADER **********************/
  
  struct external_filehdr
    {
      char f_magic[2];	/* magic number			*/
      char f_nscns[2];	/* number of sections		*/
      char f_timdat[4];	/* time & date stamp		*/
      char f_symptr[4];	/* file pointer to symtab	*/
      char f_nsyms[4];	/* number of symtab entries	*/
      char f_opthdr[2];	/* sizeof(optional hdr)		*/
      char f_flags[2];	/* flags			*/
      char f_target_id[2];/* target id (TIc80 specific)	*/
  };
  
  #define	TIC80_ARCH_MAGIC	0x0C1	/* Goes in the file header magic number field */
  #define TIC80_TARGET_ID		0x95	/* Goes in the target id field */
  
  #define TIC80BADMAG(x) ((x).f_magic != TIC80_ARCH_MAGIC)
  
  #define	FILHDR	struct external_filehdr
  #define	FILHSZ	22
  
  #define TIC80_AOUTHDR_MAGIC	0x108	/* Goes in the optional file header magic number field */
  
  /********************** SECTION HEADER **********************/
  
  struct external_scnhdr
  {
  	char		s_name[8];	/* section name			*/
  	char		s_paddr[4];	/* physical address, aliased s_nlib */
  	char		s_vaddr[4];	/* virtual address		*/
  	char		s_size[4];	/* section size			*/
  	char		s_scnptr[4];	/* file ptr to raw data for section */
  	char		s_relptr[4];	/* file ptr to relocation	*/
  	char		s_lnnoptr[4];	/* file ptr to line numbers	*/
  	char		s_nreloc[2];	/* number of relocation entries	*/
  	char		s_nlnno[2];	/* number of line number entries*/
  	char		s_flags[2];	/* flags			*/
  	char		s_reserved[1];	/* reserved (TIc80 specific)	*/
  	char		s_mempage[1];	/* memory page number (TIc80)	*/
  };
  
  /* Names of "special" sections.  */
  #define _TEXT	".text"
  #define _DATA	".data"
  #define _BSS	".bss"
  #define _CINIT	".cinit"
  #define _CONST	".const"
  #define _SWITCH	".switch"
  #define _STACK	".stack"
  #define _SYSMEM	".sysmem"
  
  #define	SCNHDR	struct external_scnhdr
  #define	SCNHSZ	40
    
  /* FIXME - need to correlate external_auxent with
     TIc80 Code Generation Tools User's Guide, CG:A-25 */
  
  /********************** RELOCATION DIRECTIVES **********************/
  
  /* The external reloc has an offset field, because some of the reloc
     types on the h8 don't have room in the instruction for the entire
     offset - eg the strange jump and high page addressing modes.  */
  
  struct external_reloc
  {
    char r_vaddr[4];
    char r_symndx[4];
    char r_reserved[2];
    char r_type[2];
  };
  
  #define RELOC struct external_reloc
  #define RELSZ 12
  
  /* TIc80 relocation types. */
  
  #define R_ABS		0x00		/* Absolute address - no relocation */
  #define R_RELLONGX	0x11		/* PP: 32 bits, direct */
  #define R_PPBASE	0x34		/* PP: Global base address type */
  #define R_PPLBASE	0x35		/* PP: Local base address type */
  #define R_PP15		0x38		/* PP: Global 15 bit offset */
  #define R_PP15W		0x39		/* PP: Global 15 bit offset divided by 4 */
  #define R_PP15H		0x3A		/* PP: Global 15 bit offset divided by 2 */
  #define R_PP16B		0x3B		/* PP: Global 16 bit offset for bytes */
  #define R_PPL15		0x3C		/* PP: Local 15 bit offset */
  #define R_PPL15W	0x3D		/* PP: Local 15 bit offset divided by 4 */
  #define R_PPL15H	0x3E		/* PP: Local 15 bit offset divided by 2 */
  #define R_PPL16B	0x3F		/* PP: Local 16 bit offset for bytes */
  #define R_PPN15		0x40		/* PP: Global 15 bit negative offset */
  #define R_PPN15W	0x41		/* PP: Global 15 bit negative offset divided by 4 */
  #define R_PPN15H	0x42		/* PP: Global 15 bit negative offset divided by 2 */
  #define R_PPN16B	0x43		/* PP: Global 16 bit negative byte offset */
  #define R_PPLN15	0x44		/* PP: Local 15 bit negative offset */
  #define R_PPLN15W	0x45		/* PP: Local 15 bit negative offset divided by 4 */
  #define R_PPLN15H	0x46		/* PP: Local 15 bit negative offset divided by 2 */
  #define R_PPLN16B	0x47		/* PP: Local 16 bit negative byte offset */
  #define R_MPPCR15W	0x4E		/* MP: 15 bit PC-relative divided by 4 */
  #define R_MPPCR		0x4F		/* MP: 32 bit PC-relative divided by 4 */
  