[binutils.git] / include / coff-m88k.h

/*** coff information for 88k bcs */

/********************** 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			*/
};

#define MC88MAGIC  0540           /* 88k BCS executable */
#define MC88DMAGIC 0541           /* DG/UX executable   */
#define MC88OMAGIC 0555	          /* Object file        */

#define MC88BADMAG(x) (((x).f_magic!=MC88MAGIC) &&((x).f_magic!=MC88DMAGIC) && ((x).f_magic != MC88OMAGIC))

#define	FILHDR	struct external_filehdr
#define	FILHSZ	sizeof(FILHDR)


/********************** AOUT "OPTIONAL HEADER" **********************/


#define PAGEMAGIC3 0414 /* Split i&d, zero mapped */
#define PAGEMAGICBCS 0413


typedef struct 
{
  char 	magic[2];		/* type of file				*/
  char	vstamp[2];		/* version stamp			*/
  char	tsize[4];		/* text size in bytes, padded to FW bdry*/
  char	dsize[4];		/* initialized data "  "		*/
  char	bsize[4];		/* uninitialized data "   "		*/
  char	entry[4];		/* entry pt.				*/
  char 	text_start[4];		/* base of text used for this file */
  char 	data_start[4];		/* base of data used for this file */
}
AOUTHDR;


/* compute size of a header */

#define AOUTSZ (sizeof(AOUTHDR))

/********************** STORAGE CLASSES **********************/

#define C_EFCN		-1	/* physical end of function	*/
#define C_NULL		0
#define C_AUTO		1	/* automatic variable		*/
#define C_EXT		2	/* external symbol		*/
#define C_STAT		3	/* static			*/
#define C_REG		4	/* register variable		*/
#define C_EXTDEF	5	/* external definition		*/
#define C_LABEL		6	/* label			*/
#define C_ULABEL	7	/* undefined label		*/
#define C_MOS		8	/* member of structure		*/
#define C_ARG		9	/* function argument		*/
#define C_STRTAG	10	/* structure tag		*/
#define C_MOU		11	/* member of union		*/
#define C_UNTAG		12	/* union tag			*/
#define C_TPDEF		13	/* type definition		*/
#define C_USTATIC	14	/* undefined static		*/
#define C_ENTAG		15	/* enumeration tag		*/
#define C_MOE		16	/* member of enumeration	*/
#define C_REGPARM	17	/* register parameter		*/
#define C_FIELD		18	/* bit field			*/
#define C_BLOCK		100	/* ".bb" or ".eb"		*/
#define C_FCN		101	/* ".bf" or ".ef"		*/
#define C_EOS		102	/* end of structure		*/
#define C_FILE		103	/* file name			*/
#define C_LINE		104	/* line # reformatted as symbol table entry */
#define C_ALIAS	 	105	/* duplicate tag		*/
#define C_HIDDEN	106	/* ext symbol in dmert public lib */
#define C_SHADOW        107     /* shadow symbol                */
#define C_VERSION       108     /* coff version symbol          */


/********************** 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[4];	/* number of relocation entries	*/
  char		s_nlnno[4];	/* number of line number entries*/
  char		s_flags[4];	/* flags			*/
};


#define	SCNHDR	struct external_scnhdr
#define	SCNHSZ	sizeof(SCNHDR)


/********************** LINE NUMBERS **********************/

/* 1 line number entry for every "breakpointable" source line in a section.
 * Line numbers are grouped on a per function basis; first entry in a function
 * grouping will have l_lnno = 0 and in place of physical address will be the
 * symbol table index of the function name.
 */
struct external_lineno{
	union {
		char l_symndx[4];	/* function name symbol index, iff l_lnno == 0*/
		char l_paddr[4];	/* (physical) address of line number	*/
	} l_addr;

	char l_lnno[4];

};

#define	LINENO	struct external_lineno
#define	LINESZ	8


/********************** SYMBOLS **********************/

#define SYMNMLEN	8	/* # characters in a symbol name	*/
#define FILNMLEN	14	/* # characters in a file name		*/
#define DIMNUM		4	/* # array dimensions in auxiliary entry */

struct external_syment 
{
  union {
    char e_name[SYMNMLEN];
    struct {
      char e_zeroes[4];
      char e_offset[4];
    } e;
  } e;
  char e_value[4];
  char e_scnum[2];
  char e_type[2];
  char e_sclass[1];
  char e_numaux[1];
  char pad2[2];
};


#define N_BTMASK	017
#define N_TMASK		060
#define N_BTSHFT	4
#define N_TSHIFT	2


/* Note that this isn't the same shape as other coffs */
union external_auxent {
  struct {
    char x_tagndx[4];		/* str, un, or enum tag indx */
    /* 4 */
    union {
      char x_fsize[4];		/* size of function */
      struct {
	char  x_lnno[4];	/* declaration line number */
	char  x_size[4];	/* str/union/array size */
      } x_lnsz;
    } x_misc;
    struct {			/* if ISFCN, tag, or .bb */
      char x_lnnoptr[4];	/* ptr to fcn line # */
      char x_endndx[4];		/* entry ndx past block end */
    } x_fcn;
    
    /* 12 */
    union {
      struct {			/* if ISARY, up to 4 dimen. */
	char x_dimen[DIMNUM][2];
      } x_ary;
    } x_fcnary;
    /* 20 */
    
  } x_sym;
  
  union {
    char x_fname[FILNMLEN];
    struct {
      char x_zeroes[4];
      char x_offset[4];
    } x_n;
  } x_file;
  
  struct {
    char x_scnlen[4];		/* section length */
    char x_nreloc[4];		/* # relocation entries */
    char x_nlinno[4];		/* # line numbers */
  } x_scn;
  
  struct {
    char x_tvfill[4];		/* tv fill value */
    char x_tvlen[2];		/* length of .tv */
    char x_tvran[2][2];		/* tv range */
  } x_tv;			/* info about .tv section (in auxent of symbol .tv)) */

};

#define GET_FCN_LNNOPTR(abfd, ext) bfd_h_get_32(abfd, (bfd_byte *)ext->x_sym.x_fcn.x_lnnoptr)
#define GET_FCN_ENDNDX(abfd, ext) bfd_h_get_32(abfd, (bfd_byte *) ext->x_sym.x_fcn.x_endndx)
#define PUT_FCN_LNNOPTR(abfd, in, ext)  bfd_h_put_32(abfd,  in, (bfd_byte *) ext->x_sym.x_fcn.x_lnnoptr)
#define PUT_FCN_ENDNDX(abfd, in, ext) bfd_h_put_32(abfd, in, (bfd_byte *)   ext->x_sym.x_fcn.x_endndx)
#define GET_LNSZ_SIZE(abfd, ext) bfd_h_get_32(abfd, (bfd_byte *) ext->x_sym.x_misc.x_lnsz.x_size)
#define GET_LNSZ_LNNO(abfd, ext) bfd_h_get_32(abfd, (bfd_byte *) ext->x_sym.x_misc.x_lnsz.x_lnno)
#define PUT_LNSZ_LNNO(abfd, in, ext) bfd_h_put_32(abfd, in, (bfd_byte *) ext->x_sym.x_misc.x_lnsz.x_lnno)
#define PUT_LNSZ_SIZE(abfd, in, ext) bfd_h_put_32(abfd, in, (bfd_byte *) ext->x_sym.x_misc.x_lnsz.x_size)
#define GET_SCN_SCNLEN(abfd, ext) bfd_h_get_32(abfd, (bfd_byte *) ext->x_scn.x_scnlen)
#define GET_SCN_NRELOC(abfd, ext) bfd_h_get_32(abfd, (bfd_byte *) ext->x_scn.x_nreloc)
#define GET_SCN_NLINNO(abfd, ext)  bfd_h_get_32(abfd, (bfd_byte *) ext->x_scn.x_nlinno)
#define PUT_SCN_SCNLEN(abfd,in, ext) bfd_h_put_32(abfd, in, (bfd_byte *) ext->x_scn.x_scnlen)
#define PUT_SCN_NRELOC(abfd,in, ext) bfd_h_put_32(abfd, in, (bfd_byte *)ext->x_scn.x_nreloc)
#define PUT_SCN_NLINNO(abfd,in, ext)  bfd_h_put_32(abfd,in, (bfd_byte *) ext->x_scn.x_nlinno)

#define	SYMENT	struct external_syment
#define	SYMESZ	20
#define	AUXENT	union external_auxent
#define	AUXESZ	20


/********************** RELOCATION DIRECTIVES **********************/

struct external_reloc {
  char r_vaddr[4];
  char r_symndx[4];
  char r_type[2];
  char r_offset[2];
};

#define RELOC struct external_reloc
#define RELSZ  12

#define DEFAULT_SECTION_ALIGNMENT 8 /* double word */

#define NO_TVNDX
Commit	Line	Data
a07cc613 JG	1	/*** coff information for 88k bcs */
	2
	3	/******************** FILE HEADER ********************/
a8f3d651 SC	4	struct external_filehdr {
	5	char f_magic[2]; /* magic number */
	6	char f_nscns[2]; /* number of sections */
	7	char f_timdat[4]; /* time & date stamp */
	8	char f_symptr[4]; /* file pointer to symtab */
	9	char f_nsyms[4]; /* number of symtab entries */
	10	char f_opthdr[2]; /* sizeof(optional hdr) */
	11	char f_flags[2]; /* flags */
	12	};
a07cc613	13
a07cc613 JG	14	#define MC88MAGIC 0540 /* 88k BCS executable */
	15	#define MC88DMAGIC 0541 /* DG/UX executable */
	16	#define MC88OMAGIC 0555 /* Object file */
	17
	18	#define MC88BADMAG(x) (((x).f_magic!=MC88MAGIC) &&((x).f_magic!=MC88DMAGIC) && ((x).f_magic != MC88OMAGIC))
	19
a8f3d651	20	#define FILHDR struct external_filehdr
a07cc613 JG	21	#define FILHSZ sizeof(FILHDR)
	22
	23
	24	/******************** AOUT "OPTIONAL HEADER" ********************/
	25
	26
	27	#define PAGEMAGIC3 0414 /* Split i&d, zero mapped */
	28	#define PAGEMAGICBCS 0413
	29
a8f3d651 SC	30
	31	typedef struct
	32	{
	33	char magic[2]; /* type of file */
	34	char vstamp[2]; /* version stamp */
	35	char tsize[4]; /* text size in bytes, padded to FW bdry*/
	36	char dsize[4]; /* initialized data " " */
	37	char bsize[4]; /* uninitialized data " " */
	38	char entry[4]; /* entry pt. */
	39	char text_start[4]; /* base of text used for this file */
	40	char data_start[4]; /* base of data used for this file */
a8f3d651 SC	41	}
a8f3d651 SC	42	AOUTHDR;
a07cc613 JG	43
	44
	45	/* compute size of a header */
	46
	47	#define AOUTSZ (sizeof(AOUTHDR))
	48
	49	/******************** STORAGE CLASSES ********************/
	50
	51	#define C_EFCN -1 /* physical end of function */
	52	#define C_NULL 0
	53	#define C_AUTO 1 /* automatic variable */
	54	#define C_EXT 2 /* external symbol */
	55	#define C_STAT 3 /* static */
	56	#define C_REG 4 /* register variable */
	57	#define C_EXTDEF 5 /* external definition */
	58	#define C_LABEL 6 /* label */
	59	#define C_ULABEL 7 /* undefined label */
	60	#define C_MOS 8 /* member of structure */
	61	#define C_ARG 9 /* function argument */
	62	#define C_STRTAG 10 /* structure tag */
	63	#define C_MOU 11 /* member of union */
	64	#define C_UNTAG 12 /* union tag */
	65	#define C_TPDEF 13 /* type definition */
	66	#define C_USTATIC 14 /* undefined static */
	67	#define C_ENTAG 15 /* enumeration tag */
	68	#define C_MOE 16 /* member of enumeration */
	69	#define C_REGPARM 17 /* register parameter */
	70	#define C_FIELD 18 /* bit field */
	71	#define C_BLOCK 100 /* ".bb" or ".eb" */
	72	#define C_FCN 101 /* ".bf" or ".ef" */
	73	#define C_EOS 102 /* end of structure */
	74	#define C_FILE 103 /* file name */
	75	#define C_LINE 104 /* line # reformatted as symbol table entry */
	76	#define C_ALIAS 105 /* duplicate tag */
	77	#define C_HIDDEN 106 /* ext symbol in dmert public lib */
	78	#define C_SHADOW 107 /* shadow symbol */
	79	#define C_VERSION 108 /* coff version symbol */
	80
	81
	82	/******************** SECTION HEADER ********************/
	83
a8f3d651 SC	84
	85	struct external_scnhdr
	86	{
	87	char s_name[8]; /* section name */
	88	char s_paddr[4]; /* physical address, aliased s_nlib */
	89	char s_vaddr[4]; /* virtual address */
	90	char s_size[4]; /* section size */
	91	char s_scnptr[4]; /* file ptr to raw data for section */
	92	char s_relptr[4]; /* file ptr to relocation */
	93	char s_lnnoptr[4]; /* file ptr to line numbers */
	94	char s_nreloc[4]; /* number of relocation entries */
	95	char s_nlnno[4]; /* number of line number entries*/
	96	char s_flags[4]; /* flags */
a07cc613 JG	97	};
a07cc613 JG	98
a07cc613	99
a8f3d651	100	#define SCNHDR struct external_scnhdr
a07cc613 JG	101	#define SCNHSZ sizeof(SCNHDR)
	102
	103
	104	/******************** LINE NUMBERS ********************/
	105
	106	/* 1 line number entry for every "breakpointable" source line in a section.
	107	* Line numbers are grouped on a per function basis; first entry in a function
	108	* grouping will have l_lnno = 0 and in place of physical address will be the
	109	* symbol table index of the function name.
	110	*/
81623791 SC	111	struct external_lineno{
	112	union {
	113	char l_symndx[4]; /* function name symbol index, iff l_lnno == 0*/
	114	char l_paddr[4]; /* (physical) address of line number */
	115	} l_addr;
	116
	117	char l_lnno[4];
	118
a07cc613 JG	119	};
a07cc613 JG	120
81623791 SC	121	#define LINENO struct external_lineno
81623791 SC	122	#define LINESZ 8
a07cc613 JG	123
	124
	125	/******************** SYMBOLS ********************/
	126
	127	#define SYMNMLEN 8 /* # characters in a symbol name */
	128	#define FILNMLEN 14 /* # characters in a file name */
	129	#define DIMNUM 4 /* # array dimensions in auxiliary entry */
	130
81623791 SC	131	struct external_syment
	132	{
	133	union {
	134	char e_name[SYMNMLEN];
	135	struct {
	136	char e_zeroes[4];
	137	char e_offset[4];
	138	} e;
	139	} e;
	140	char e_value[4];
	141	char e_scnum[2];
	142	char e_type[2];
	143	char e_sclass[1];
	144	char e_numaux[1];
	145	char pad2[2];
	146	};
a07cc613	147
a07cc613	148
a07cc613	149
a07cc613 JG	150
	151	#define N_BTMASK 017
	152	#define N_TMASK 060
	153	#define N_BTSHFT 4
	154	#define N_TSHIFT 2
	155
a07cc613	156
ea017097	157	/* Note that this isn't the same shape as other coffs */
81623791	158	union external_auxent {
81623791	159	struct {
ea017097 SC	160	char x_tagndx[4]; /* str, un, or enum tag indx */
ea017097 SC	161	/* 4 */
81623791	162	union {
ea017097	163	char x_fsize[4]; /* size of function */
81623791	164	struct {
ea017097 SC	165	char x_lnno[4]; /* declaration line number */
ea017097 SC	166	char x_size[4]; /* str/union/array size */
81623791	167	} x_lnsz;
81623791	168	} x_misc;
ea017097 SC	169	struct { /* if ISFCN, tag, or .bb */
	170	char x_lnnoptr[4]; /* ptr to fcn line # */
	171	char x_endndx[4]; /* entry ndx past block end */
	172	} x_fcn;
	173
	174	/* 12 */
81623791	175	union {
81623791	176	struct { /* if ISARY, up to 4 dimen. */
ea017097	177	char x_dimen[DIMNUM][2];
81623791 SC	178	} x_ary;
81623791 SC	179	} x_fcnary;
ea017097 SC	180	/* 20 */
ea017097 SC	181
81623791 SC	182	} x_sym;
	183
	184	union {
	185	char x_fname[FILNMLEN];
	186	struct {
ea017097 SC	187	char x_zeroes[4];
ea017097 SC	188	char x_offset[4];
81623791 SC	189	} x_n;
	190	} x_file;
	191
	192	struct {
ea017097 SC	193	char x_scnlen[4]; /* section length */
	194	char x_nreloc[4]; /* # relocation entries */
	195	char x_nlinno[4]; /* # line numbers */
81623791 SC	196	} x_scn;
	197
	198	struct {
ea017097 SC	199	char x_tvfill[4]; /* tv fill value */
	200	char x_tvlen[2]; /* length of .tv */
	201	char x_tvran[2][2]; /* tv range */
81623791	202	} x_tv; /* info about .tv section (in auxent of symbol .tv)) */
ea017097	203
81623791	204	};
a07cc613	205
a737c70b SC	206	#define GET_FCN_LNNOPTR(abfd, ext) bfd_h_get_32(abfd, (bfd_byte *)ext->x_sym.x_fcn.x_lnnoptr)
	207	#define GET_FCN_ENDNDX(abfd, ext) bfd_h_get_32(abfd, (bfd_byte *) ext->x_sym.x_fcn.x_endndx)
	208	#define PUT_FCN_LNNOPTR(abfd, in, ext) bfd_h_put_32(abfd, in, (bfd_byte *) ext->x_sym.x_fcn.x_lnnoptr)
	209	#define PUT_FCN_ENDNDX(abfd, in, ext) bfd_h_put_32(abfd, in, (bfd_byte *) ext->x_sym.x_fcn.x_endndx)
	210	#define GET_LNSZ_SIZE(abfd, ext) bfd_h_get_32(abfd, (bfd_byte *) ext->x_sym.x_misc.x_lnsz.x_size)
	211	#define GET_LNSZ_LNNO(abfd, ext) bfd_h_get_32(abfd, (bfd_byte *) ext->x_sym.x_misc.x_lnsz.x_lnno)
	212	#define PUT_LNSZ_LNNO(abfd, in, ext) bfd_h_put_32(abfd, in, (bfd_byte *) ext->x_sym.x_misc.x_lnsz.x_lnno)
	213	#define PUT_LNSZ_SIZE(abfd, in, ext) bfd_h_put_32(abfd, in, (bfd_byte *) ext->x_sym.x_misc.x_lnsz.x_size)
	214	#define GET_SCN_SCNLEN(abfd, ext) bfd_h_get_32(abfd, (bfd_byte *) ext->x_scn.x_scnlen)
	215	#define GET_SCN_NRELOC(abfd, ext) bfd_h_get_32(abfd, (bfd_byte *) ext->x_scn.x_nreloc)
	216	#define GET_SCN_NLINNO(abfd, ext) bfd_h_get_32(abfd, (bfd_byte *) ext->x_scn.x_nlinno)
	217	#define PUT_SCN_SCNLEN(abfd,in, ext) bfd_h_put_32(abfd, in, (bfd_byte *) ext->x_scn.x_scnlen)
	218	#define PUT_SCN_NRELOC(abfd,in, ext) bfd_h_put_32(abfd, in, (bfd_byte *)ext->x_scn.x_nreloc)
	219	#define PUT_SCN_NLINNO(abfd,in, ext) bfd_h_put_32(abfd,in, (bfd_byte *) ext->x_scn.x_nlinno)
ea017097	220
81623791	221	#define SYMENT struct external_syment
a07cc613	222	#define SYMESZ 20
81623791	223	#define AUXENT union external_auxent
a07cc613 JG	224	#define AUXESZ 20
	225
	226
	227	/******************** RELOCATION DIRECTIVES ********************/
	228
81623791 SC	229	struct external_reloc {
	230	char r_vaddr[4];
	231	char r_symndx[4];
	232	char r_type[2];
	233	char r_offset[2];
	234	};
	235
81623791 SC	236	#define RELOC struct external_reloc
81623791 SC	237	#define RELSZ 12
a07cc613 JG	238
a07cc613 JG	239	#define DEFAULT_SECTION_ALIGNMENT 8 /* double word */
ea017097 SC	240
ea017097 SC	241	#define NO_TVNDX