[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)

/*
 * names of "special" sections
 */
#define _TEXT   ".text"
#define _DATA   ".data"
#define _BSS    ".bss"

/********************** 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 E_SYMNMLEN	8	/* # characters in a symbol name	*/
#define E_FILNMLEN	14	/* # characters in a file name		*/
#define E_DIMNUM	4	/* # array dimensions in auxiliary entry */

struct external_syment 
{
  union {
    char e_name[E_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[E_DIMNUM][2];
      } x_ary;
    } x_fcnary;
    /* 20 */
    
  } x_sym;
  
  union {
    char x_fname[E_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 GET_LINENO_LNNO(abfd, ext)  bfd_h_get_32(abfd, (bfd_byte *) (ext->l_lnno))
#define PUT_LINENO_LNNO(abfd,val, ext)  bfd_h_put_32(abfd,val,  (bfd_byte *) (ext->l_lnno));


#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)
a07cc613 JG	102
bc7d7419 JG	103	/*
	104	* names of "special" sections
	105	*/
	106	#define _TEXT ".text"
	107	#define _DATA ".data"
	108	#define _BSS ".bss"
a07cc613 JG	109
	110	/******************** LINE NUMBERS ********************/
	111
	112	/* 1 line number entry for every "breakpointable" source line in a section.
	113	* Line numbers are grouped on a per function basis; first entry in a function
	114	* grouping will have l_lnno = 0 and in place of physical address will be the
	115	* symbol table index of the function name.
	116	*/
81623791 SC	117	struct external_lineno{
	118	union {
	119	char l_symndx[4]; /* function name symbol index, iff l_lnno == 0*/
	120	char l_paddr[4]; /* (physical) address of line number */
	121	} l_addr;
	122
	123	char l_lnno[4];
	124
a07cc613 JG	125	};
a07cc613 JG	126
81623791 SC	127	#define LINENO struct external_lineno
81623791 SC	128	#define LINESZ 8
a07cc613 JG	129
	130
	131	/******************** SYMBOLS ********************/
	132
054862cf JG	133	#define E_SYMNMLEN 8 /* # characters in a symbol name */
	134	#define E_FILNMLEN 14 /* # characters in a file name */
	135	#define E_DIMNUM 4 /* # array dimensions in auxiliary entry */
a07cc613	136
81623791 SC	137	struct external_syment
	138	{
	139	union {
054862cf	140	char e_name[E_SYMNMLEN];
81623791 SC	141	struct {
	142	char e_zeroes[4];
	143	char e_offset[4];
	144	} e;
	145	} e;
	146	char e_value[4];
	147	char e_scnum[2];
	148	char e_type[2];
	149	char e_sclass[1];
	150	char e_numaux[1];
	151	char pad2[2];
	152	};
a07cc613	153
a07cc613	154
a07cc613	155
a07cc613 JG	156
	157	#define N_BTMASK 017
	158	#define N_TMASK 060
	159	#define N_BTSHFT 4
	160	#define N_TSHIFT 2
	161
a07cc613	162
ea017097	163	/* Note that this isn't the same shape as other coffs */
81623791	164	union external_auxent {
81623791	165	struct {
ea017097 SC	166	char x_tagndx[4]; /* str, un, or enum tag indx */
ea017097 SC	167	/* 4 */
81623791	168	union {
ea017097	169	char x_fsize[4]; /* size of function */
81623791	170	struct {
ea017097 SC	171	char x_lnno[4]; /* declaration line number */
ea017097 SC	172	char x_size[4]; /* str/union/array size */
81623791	173	} x_lnsz;
81623791	174	} x_misc;
ea017097 SC	175	struct { /* if ISFCN, tag, or .bb */
	176	char x_lnnoptr[4]; /* ptr to fcn line # */
	177	char x_endndx[4]; /* entry ndx past block end */
	178	} x_fcn;
	179
	180	/* 12 */
81623791	181	union {
81623791	182	struct { /* if ISARY, up to 4 dimen. */
054862cf	183	char x_dimen[E_DIMNUM][2];
81623791 SC	184	} x_ary;
81623791 SC	185	} x_fcnary;
ea017097 SC	186	/* 20 */
ea017097 SC	187
81623791 SC	188	} x_sym;
	189
	190	union {
054862cf	191	char x_fname[E_FILNMLEN];
81623791	192	struct {
ea017097 SC	193	char x_zeroes[4];
ea017097 SC	194	char x_offset[4];
81623791 SC	195	} x_n;
	196	} x_file;
	197
	198	struct {
ea017097 SC	199	char x_scnlen[4]; /* section length */
	200	char x_nreloc[4]; /* # relocation entries */
	201	char x_nlinno[4]; /* # line numbers */
81623791 SC	202	} x_scn;
	203
	204	struct {
ea017097 SC	205	char x_tvfill[4]; /* tv fill value */
	206	char x_tvlen[2]; /* length of .tv */
	207	char x_tvran[2][2]; /* tv range */
81623791	208	} x_tv; /* info about .tv section (in auxent of symbol .tv)) */
ea017097	209
81623791	210	};
a07cc613	211
a737c70b SC	212	#define GET_FCN_LNNOPTR(abfd, ext) bfd_h_get_32(abfd, (bfd_byte *)ext->x_sym.x_fcn.x_lnnoptr)
	213	#define GET_FCN_ENDNDX(abfd, ext) bfd_h_get_32(abfd, (bfd_byte *) ext->x_sym.x_fcn.x_endndx)
	214	#define PUT_FCN_LNNOPTR(abfd, in, ext) bfd_h_put_32(abfd, in, (bfd_byte *) ext->x_sym.x_fcn.x_lnnoptr)
	215	#define PUT_FCN_ENDNDX(abfd, in, ext) bfd_h_put_32(abfd, in, (bfd_byte *) ext->x_sym.x_fcn.x_endndx)
	216	#define GET_LNSZ_SIZE(abfd, ext) bfd_h_get_32(abfd, (bfd_byte *) ext->x_sym.x_misc.x_lnsz.x_size)
	217	#define GET_LNSZ_LNNO(abfd, ext) bfd_h_get_32(abfd, (bfd_byte *) ext->x_sym.x_misc.x_lnsz.x_lnno)
	218	#define PUT_LNSZ_LNNO(abfd, in, ext) bfd_h_put_32(abfd, in, (bfd_byte *) ext->x_sym.x_misc.x_lnsz.x_lnno)
	219	#define PUT_LNSZ_SIZE(abfd, in, ext) bfd_h_put_32(abfd, in, (bfd_byte *) ext->x_sym.x_misc.x_lnsz.x_size)
	220	#define GET_SCN_SCNLEN(abfd, ext) bfd_h_get_32(abfd, (bfd_byte *) ext->x_scn.x_scnlen)
	221	#define GET_SCN_NRELOC(abfd, ext) bfd_h_get_32(abfd, (bfd_byte *) ext->x_scn.x_nreloc)
	222	#define GET_SCN_NLINNO(abfd, ext) bfd_h_get_32(abfd, (bfd_byte *) ext->x_scn.x_nlinno)
	223	#define PUT_SCN_SCNLEN(abfd,in, ext) bfd_h_put_32(abfd, in, (bfd_byte *) ext->x_scn.x_scnlen)
	224	#define PUT_SCN_NRELOC(abfd,in, ext) bfd_h_put_32(abfd, in, (bfd_byte *)ext->x_scn.x_nreloc)
	225	#define PUT_SCN_NLINNO(abfd,in, ext) bfd_h_put_32(abfd,in, (bfd_byte *) ext->x_scn.x_nlinno)
6255589a SC	226	#define GET_LINENO_LNNO(abfd, ext) bfd_h_get_32(abfd, (bfd_byte *) (ext->l_lnno))
	227	#define PUT_LINENO_LNNO(abfd,val, ext) bfd_h_put_32(abfd,val, (bfd_byte *) (ext->l_lnno));
	228
	229
ea017097	230
81623791	231	#define SYMENT struct external_syment
a07cc613	232	#define SYMESZ 20
81623791	233	#define AUXENT union external_auxent
a07cc613 JG	234	#define AUXESZ 20
	235
	236
	237	/******************** RELOCATION DIRECTIVES ********************/
	238
81623791 SC	239	struct external_reloc {
	240	char r_vaddr[4];
	241	char r_symndx[4];
	242	char r_type[2];
	243	char r_offset[2];
	244	};
	245
81623791 SC	246	#define RELOC struct external_reloc
81623791 SC	247	#define RELSZ 12
a07cc613 JG	248
a07cc613 JG	249	#define DEFAULT_SECTION_ALIGNMENT 8 /* double word */
ea017097 SC	250
ea017097 SC	251	#define NO_TVNDX