[binutils.git] / include / internalcoff.h

/********************** FILE HEADER **********************/
struct internal_filehdr 
{
  unsigned short	f_magic; /* magic number			*/
  unsigned short	f_nscns; /* number of sections		*/
  long		f_timdat;	/* time & date stamp		*/
  long		f_symptr;	/* file pointer to symtab	*/
  long		f_nsyms;	/* number of symtab entries	*/
  unsigned short	f_opthdr; /* sizeof(optional hdr)		*/
  unsigned short	f_flags; /* flags			*/
};

/* Bits for f_flags:
 *	F_RELFLG	relocation info stripped from file
 *	F_EXEC		file is executable (no unresolved external references)
 *	F_LNNO		line numbers stripped from file
 *	F_LSYMS		local symbols stripped from file
 *	F_AR32WR	file has byte ordering of an AR32WR machine (e.g. vax)
 */

#define F_RELFLG	(0x0001)
#define F_EXEC		(0x0002)
#define F_LNNO		(0x0004)
#define F_LSYMS		(0x0008)
#define F_AR32WR	(0x0010)
#define F_AR32W     0x200
/********************** AOUT "OPTIONAL HEADER" **********************/
struct internal_aouthdr {
	short		magic;	/* type of file				*/
	short		vstamp;	/* version stamp			*/
	unsigned long	tsize;	/* text size in bytes, padded to FW bdry*/
	unsigned long	dsize;	/* initialized data "  "		*/
	unsigned long	bsize;	/* uninitialized data "   "		*/
	unsigned long	entry;	/* entry pt.				*/
	unsigned long	text_start;	/* base of text used for this file */
	unsigned long	data_start;	/* base of data used for this file */
	unsigned long	tagentries;	/* number of tag entries to follow */
} ;

/********************** 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_AUTOARG	19	/* auto argument		*/
#define C_LASTENT	20	/* dummy entry (end of block)	*/
#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 */

	/* New storage classes for 80960 */
 
/* C_LEAFPROC is obsolete.  Use C_LEAFEXT or C_LEAFSTAT */
#define C_LEAFPROC	108	/* Leaf procedure, "call" via BAL */

#define C_SCALL		107	/* Procedure reachable via system call */
#define C_LEAFEXT       108	/* External leaf */
#define C_LEAFSTAT      113     /* Static leaf */
#define C_OPTVAR	109	/* Optimized variable		*/
#define C_DEFINE	110	/* Preprocessor #define		*/
#define C_PRAGMA	111	/* Advice to compiler or linker	*/
#define C_SEGMENT	112	/* 80960 segment name		*/

/********************** SECTION HEADER **********************/
struct internal_scnhdr {
	char		s_name[8];	/* section name			*/
	long		s_paddr;	/* physical address, aliased s_nlib */
	long		s_vaddr;	/* virtual address		*/
	long		s_size;		/* section size			*/
	long		s_scnptr;	/* file ptr to raw data for section */
	long		s_relptr;	/* file ptr to relocation	*/
	long		s_lnnoptr;	/* file ptr to line numbers	*/
#ifdef M88
	unsigned long 	s_nreloc;
	unsigned long   s_nlnno;
#else
	unsigned short	s_nreloc;	/* number of relocation entries	*/
	unsigned short	s_nlnno;	/* number of line number entries*/
#endif
	long		s_flags;	/* flags			*/
#ifdef I960
	long		s_align;	
#endif
};


/*
 * s_flags "type"
 */
#define STYP_REG	 (0x0000) /* "regular": allocated, relocated, loaded */
#define STYP_DSECT	 (0x0001) /* "dummy":  relocated only*/
#define STYP_NOLOAD	 (0x0002) /* "noload": allocated, relocated, not loaded */
#define STYP_GROUP	 (0x0004) /* "grouped": formed of input sections */
#define STYP_PAD	 (0x0008) /* "padding": not allocated, not relocated, loaded */
#define STYP_COPY	 (0x0010) /* "copy": for decision function used by field update;  not allocated, not relocated,
				     loaded; reloc & lineno entries processed normally */
#define STYP_TEXT	 (0x0020) /* section contains text only */
#define S_SHRSEG	 (0x0020) /* In 3b Update files (output of ogen), sections which appear in SHARED segments of the Pfile
				     will have the S_SHRSEG flag set by ogen, to inform dufr that updating 1 copy of the proc. will
				     update all process invocations. */
#define STYP_DATA	 (0x0040) /* section contains data only */
#define STYP_BSS	 (0x0080) /* section contains bss only */
#define S_NEWFCN	 (0x0100) /* In a minimal file or an update file, a new function (as compared with a replaced function) */
#define STYP_INFO	 (0x0200) /* comment: not allocated not relocated, not loaded */
#define STYP_OVER	 (0x0400) /* overlay: relocated not allocated or loaded */
#define STYP_LIB	 (0x0800) /* for .lib: same as INFO */
#define STYP_MERGE	 (0x2000) /* merge section -- combines with text, data or bss sections only */
#define STYP_REVERSE_PAD (0x4000) /* section will be padded with no-op instructions wherever padding is necessary and there is a
				     word of contiguous bytes beginning on a word boundary. */
/********************** 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 internal_lineno {
	union {
		long l_symndx;	/* function name symbol index, iff l_lnno == 0*/
		long l_paddr;	/* (physical) address of line number	*/
	} l_addr;
#ifdef M88
	unsigned long	l_lnno;	/* line number		*/
#else
	unsigned short	l_lnno;	/* line number		*/
#endif
};


/********************** 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 internal_syment {
	union {
		char	_n_name[SYMNMLEN];	/* old COFF version	*/
		struct {
			long	_n_zeroes;	/* new == 0		*/
			long	_n_offset;	/* offset into string table */
		} _n_n;
		char	*_n_nptr[2];	/* allows for overlaying	*/
	} _n;
	long		n_value;	/* value of symbol		*/
	short		n_scnum;	/* section number		*/
	unsigned short	n_flags;	/* copy of flags from filhdr	*/
	unsigned short	n_type;		/* type and derived type	*/
#if __STDC__
	signed
#endif
	char		n_sclass;	/* storage class		*/
	char		n_numaux;	/* number of aux. entries	*/
};

/* Relocatable symbols have number of the section in which they are defined,
   or one of the following: */

#define N_UNDEF	((short)0)  /* undefined symbol */
#define N_ABS	((short)-1) /* value of symbol is absolute */
#define N_DEBUG	((short)-2) /* debugging symbol -- value is meaningless */
#define N_TV	((short)-3) /* indicates symbol needs preload transfer vector */
#define P_TV	((short)-4) /* indicates symbol needs postload transfer vector*/

/*
 * Type of a symbol, in low N bits of the word
 */
#define T_NULL		0
#define T_VOID		1	/* function argument (only used by compiler) */
#define T_CHAR		2	/* character		*/
#define T_SHORT		3	/* short integer	*/
#define T_INT		4	/* integer		*/
#define T_LONG		5	/* long integer		*/
#define T_FLOAT		6	/* floating point	*/
#define T_DOUBLE	7	/* double word		*/
#define T_STRUCT	8	/* structure 		*/
#define T_UNION		9	/* union 		*/
#define T_ENUM		10	/* enumeration 		*/
#define T_MOE		11	/* member of enumeration*/
#define T_UCHAR		12	/* unsigned character	*/
#define T_USHORT	13	/* unsigned short	*/
#define T_UINT		14	/* unsigned integer	*/
#define T_ULONG		15	/* unsigned long	*/
#define T_LNGDBL	16	/* long double		*/

/*
 * derived types, in n_type
*/
#define DT_NON		(0)	/* no derived type */
#define DT_PTR		(1)	/* pointer */
#define DT_FCN		(2)	/* function */
#define DT_ARY		(3)	/* array */

#define BTYPE(x)	((x) & N_BTMASK)

#define ISPTR(x)	(((x) & N_TMASK) == (DT_PTR << N_BTSHFT))
#define ISFCN(x)	(((x) & N_TMASK) == (DT_FCN << N_BTSHFT))
#define ISARY(x)	(((x) & N_TMASK) == (DT_ARY << N_BTSHFT))
#define ISTAG(x)	((x)==C_STRTAG||(x)==C_UNTAG||(x)==C_ENTAG)
#define DECREF(x) ((((x)>>N_TSHIFT)&~N_BTMASK)|((x)&N_BTMASK))


union internal_auxent 
{
  struct {
    union {
      long l;			/* str, un, or enum tag indx */
      struct coff_ptr_struct *p;
    } x_tagndx;

    union {
      struct {
	unsigned short x_lnno;	/* declaration line number */
	unsigned short x_size;	/* str/union/array size */
      } x_lnsz;
      long x_fsize;		/* size of function */
    } x_misc;
    union {

      struct {			/* if ISFCN, tag, or .bb */
	long x_lnnoptr;		/* ptr to fcn line # */
	union { 		/* entry ndx past block end */
	  long  l;
	  struct coff_ptr_struct *p;

	} x_endndx;


      } x_fcn;
      struct {			/* if ISARY, up to 4 dimen. */
	unsigned short x_dimen[DIMNUM];
      } x_ary;
    } x_fcnary;
    unsigned short x_tvndx;	/* tv index */
  } x_sym;

  union {
    char x_fname[FILNMLEN];
    struct {
      long x_zeroes;
      long x_offset;
    } x_n;
  } x_file;

  struct {
    long x_scnlen;		/* section length */
    unsigned short x_nreloc;	/* # relocation entries */
    unsigned short x_nlinno;	/* # line numbers */
  } x_scn;

  struct {
    long		x_tvfill; /* tv fill value */
    unsigned short	x_tvlen; /* length of .tv */
    unsigned short	x_tvran[2]; /* tv range */
  } x_tv;			/* info about .tv section (in auxent of symbol .tv)) */

  /******************************************
   *  I960-specific *2nd* aux. entry formats
   ******************************************/
  struct {
    /* This is a very old typo that keeps getting propagated. */
#define x_stdindx x_stindx
    long x_stindx;		/* sys. table entry */
  } x_sc;			/* system call entry */

  struct {
    unsigned long x_balntry;	/* BAL entry point */
  } x_bal;			/* BAL-callable function */

  struct {
    unsigned long	x_timestamp; /* time stamp */
    char 	x_idstring[20];	/* producer identity string */
  } x_ident;			/* Producer ident info */


};

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

struct internal_reloc {
	long r_vaddr;		/* Virtual address of reference */
	long r_symndx;		/* Index into symbol table	*/
	unsigned short r_type;	/* Relocation type		*/
#if M88
	unsigned short r_offset;
#endif
};

#define R_RELBYTE	017
#define R_RELWORD	020
#define R_PCRBYTE	022
#define R_PCRWORD	023
#define R_PCRLONG	024

#define R_DIR32		06
#define	R_PCLONG	020
#define R_RELBYTE	017
#define R_RELWORD	020

#define R_PCRBYTE	022
#define R_PCRWORD	023
#define R_PCRLONG	024

#define R_PCR16L 128
#define R_PCR26L 129
#define R_VRT16  130
#define R_HVRT16 131
#define R_LVRT16 132
#define R_VRT32  133
#define R_RELLONG	(0x11)	/* Direct 32-bit relocation */
#define R_IPRSHORT	(0x18)
#define R_IPRMED 	(0x19)	/* 24-bit ip-relative relocation */
#define R_IPRLONG	(0x1a)
#define R_OPTCALL	(0x1b)	/* 32-bit optimizable call (leafproc/sysproc) */
#define R_OPTCALLX	(0x1c)	/* 64-bit optimizable call (leafproc/sysproc) */
#define R_GETSEG	(0x1d)
#define R_GETPA		(0x1e)
#define R_TAGWORD	(0x1f)
Commit	Line	Data
42e15245 SC	1	/******************** FILE HEADER ********************/
	2	struct internal_filehdr
	3	{
	4	unsigned short f_magic; /* magic number */
	5	unsigned short f_nscns; /* number of sections */
	6	long f_timdat; /* time & date stamp */
	7	long f_symptr; /* file pointer to symtab */
	8	long f_nsyms; /* number of symtab entries */
	9	unsigned short f_opthdr; /* sizeof(optional hdr) */
	10	unsigned short f_flags; /* flags */
	11	};
	12
	13	/* Bits for f_flags:
	14	* F_RELFLG relocation info stripped from file
	15	* F_EXEC file is executable (no unresolved external references)
	16	* F_LNNO line numbers stripped from file
	17	* F_LSYMS local symbols stripped from file
	18	* F_AR32WR file has byte ordering of an AR32WR machine (e.g. vax)
	19	*/
	20
8215bbac JG	21	#define F_RELFLG (0x0001)
	22	#define F_EXEC (0x0002)
	23	#define F_LNNO (0x0004)
	24	#define F_LSYMS (0x0008)
	25	#define F_AR32WR (0x0010)
	26	#define F_AR32W 0x200
42e15245 SC	27	/******************** AOUT "OPTIONAL HEADER" ********************/
	28	struct internal_aouthdr {
	29	short magic; /* type of file */
	30	short vstamp; /* version stamp */
	31	unsigned long tsize; /* text size in bytes, padded to FW bdry*/
	32	unsigned long dsize; /* initialized data " " */
	33	unsigned long bsize; /* uninitialized data " " */
	34	unsigned long entry; /* entry pt. */
	35	unsigned long text_start; /* base of text used for this file */
	36	unsigned long data_start; /* base of data used for this file */
	37	unsigned long tagentries; /* number of tag entries to follow */
	38	} ;
	39
	40	/******************** STORAGE CLASSES ********************/
	41
	42	#define C_EFCN -1 /* physical end of function */
	43	#define C_NULL 0
	44	#define C_AUTO 1 /* automatic variable */
	45	#define C_EXT 2 /* external symbol */
	46	#define C_STAT 3 /* static */
	47	#define C_REG 4 /* register variable */
	48	#define C_EXTDEF 5 /* external definition */
	49	#define C_LABEL 6 /* label */
	50	#define C_ULABEL 7 /* undefined label */
	51	#define C_MOS 8 /* member of structure */
	52	#define C_ARG 9 /* function argument */
	53	#define C_STRTAG 10 /* structure tag */
	54	#define C_MOU 11 /* member of union */
	55	#define C_UNTAG 12 /* union tag */
	56	#define C_TPDEF 13 /* type definition */
	57	#define C_USTATIC 14 /* undefined static */
	58	#define C_ENTAG 15 /* enumeration tag */
	59	#define C_MOE 16 /* member of enumeration */
	60	#define C_REGPARM 17 /* register parameter */
	61	#define C_FIELD 18 /* bit field */
	62	#define C_AUTOARG 19 /* auto argument */
	63	#define C_LASTENT 20 /* dummy entry (end of block) */
	64	#define C_BLOCK 100 /* ".bb" or ".eb" */
	65	#define C_FCN 101 /* ".bf" or ".ef" */
	66	#define C_EOS 102 /* end of structure */
	67	#define C_FILE 103 /* file name */
	68	#define C_LINE 104 /* line # reformatted as symbol table entry */
	69	#define C_ALIAS 105 /* duplicate tag */
	70	#define C_HIDDEN 106 /* ext symbol in dmert public lib */
	71
	72	/* New storage classes for 80960 */
	73
	74	/* C_LEAFPROC is obsolete. Use C_LEAFEXT or C_LEAFSTAT */
	75	#define C_LEAFPROC 108 /* Leaf procedure, "call" via BAL */
	76
	77	#define C_SCALL 107 /* Procedure reachable via system call */
	78	#define C_LEAFEXT 108 /* External leaf */
	79	#define C_LEAFSTAT 113 /* Static leaf */
	80	#define C_OPTVAR 109 /* Optimized variable */
	81	#define C_DEFINE 110 /* Preprocessor #define */
	82	#define C_PRAGMA 111 /* Advice to compiler or linker */
	83	#define C_SEGMENT 112 /* 80960 segment name */
	84
	85	/******************** SECTION HEADER ********************/
	86	struct internal_scnhdr {
	87	char s_name[8]; /* section name */
	88	long s_paddr; /* physical address, aliased s_nlib */
	89	long s_vaddr; /* virtual address */
	90	long s_size; /* section size */
91	long s_scnptr; /* file ptr to raw data for section */
92	long s_relptr; /* file ptr to relocation */
93	long s_lnnoptr; /* file ptr to line numbers */
a737c70b SC	94	#ifdef M88
	95	unsigned long s_nreloc;
	96	unsigned long s_nlnno;
	97	#else
42e15245 SC	98	unsigned short s_nreloc; /* number of relocation entries */
42e15245 SC	99	unsigned short s_nlnno; /* number of line number entries*/
a737c70b	100	#endif
42e15245 SC	101	long s_flags; /* flags */
	102	#ifdef I960
	103	long s_align;
	104	#endif
	105	};
	106
	107
42e15245 SC	108	/*
	109	* s_flags "type"
	110	*/
	111	#define STYP_REG (0x0000) /* "regular": allocated, relocated, loaded */
	112	#define STYP_DSECT (0x0001) /* "dummy": relocated only*/
	113	#define STYP_NOLOAD (0x0002) /* "noload": allocated, relocated, not loaded */
	114	#define STYP_GROUP (0x0004) /* "grouped": formed of input sections */
	115	#define STYP_PAD (0x0008) /* "padding": not allocated, not relocated, loaded */
	116	#define STYP_COPY (0x0010) /* "copy": for decision function used by field update; not allocated, not relocated,
	117	loaded; reloc & lineno entries processed normally */
	118	#define STYP_TEXT (0x0020) /* section contains text only */
	119	#define S_SHRSEG (0x0020) /* In 3b Update files (output of ogen), sections which appear in SHARED segments of the Pfile
	120	will have the S_SHRSEG flag set by ogen, to inform dufr that updating 1 copy of the proc. will
	121	update all process invocations. */
	122	#define STYP_DATA (0x0040) /* section contains data only */
	123	#define STYP_BSS (0x0080) /* section contains bss only */
	124	#define S_NEWFCN (0x0100) /* In a minimal file or an update file, a new function (as compared with a replaced function) */
	125	#define STYP_INFO (0x0200) /* comment: not allocated not relocated, not loaded */
	126	#define STYP_OVER (0x0400) /* overlay: relocated not allocated or loaded */
	127	#define STYP_LIB (0x0800) /* for .lib: same as INFO */
	128	#define STYP_MERGE (0x2000) /* merge section -- combines with text, data or bss sections only */
	129	#define STYP_REVERSE_PAD (0x4000) /* section will be padded with no-op instructions wherever padding is necessary and there is a
	130	word of contiguous bytes beginning on a word boundary. */
	131	/******************** LINE NUMBERS ********************/
	132
	133	/* 1 line number entry for every "breakpointable" source line in a section.
	134	* Line numbers are grouped on a per function basis; first entry in a function
	135	* grouping will have l_lnno = 0 and in place of physical address will be the
	136	* symbol table index of the function name.
	137	*/
	138
	139	struct internal_lineno {
	140	union {
	141	long l_symndx; /* function name symbol index, iff l_lnno == 0*/
	142	long l_paddr; /* (physical) address of line number */
	143	} l_addr;
a737c70b SC	144	#ifdef M88
	145	unsigned long l_lnno; /* line number */
	146	#else
42e15245	147	unsigned short l_lnno; /* line number */
a737c70b	148	#endif
42e15245 SC	149	};
42e15245 SC	150
50651e5e	151
42e15245	152	/******************** SYMBOLS ********************/
50651e5e	153
054862cf JG	154	#define SYMNMLEN 8 /* # characters in a symbol name */
	155	#define FILNMLEN 14 /* # characters in a file name */
	156	#define DIMNUM 4 /* # array dimensions in auxiliary entry */
	157
42e15245 SC	158	struct internal_syment {
	159	union {
	160	char _n_name[SYMNMLEN]; /* old COFF version */
	161	struct {
	162	long _n_zeroes; /* new == 0 */
	163	long _n_offset; /* offset into string table */
	164	} _n_n;
	165	char _n_nptr[2]; / allows for overlaying */
	166	} _n;
	167	long n_value; /* value of symbol */
	168	short n_scnum; /* section number */
	169	unsigned short n_flags; /* copy of flags from filhdr */
	170	unsigned short n_type; /* type and derived type */
a737c70b SC	171	#if __STDC__
	172	signed
	173	#endif
42e15245 SC	174	char n_sclass; /* storage class */
	175	char n_numaux; /* number of aux. entries */
	176	};
	177
50651e5e JG	178	/* Relocatable symbols have number of the section in which they are defined,
	179	or one of the following: */
	180
42e15245 SC	181	#define N_UNDEF ((short)0) /* undefined symbol */
	182	#define N_ABS ((short)-1) /* value of symbol is absolute */
	183	#define N_DEBUG ((short)-2) /* debugging symbol -- value is meaningless */
	184	#define N_TV ((short)-3) /* indicates symbol needs preload transfer vector */
	185	#define P_TV ((short)-4) /* indicates symbol needs postload transfer vector*/
	186
	187	/*
	188	* Type of a symbol, in low N bits of the word
	189	*/
	190	#define T_NULL 0
	191	#define T_VOID 1 /* function argument (only used by compiler) */
	192	#define T_CHAR 2 /* character */
	193	#define T_SHORT 3 /* short integer */
	194	#define T_INT 4 /* integer */
	195	#define T_LONG 5 /* long integer */
	196	#define T_FLOAT 6 /* floating point */
	197	#define T_DOUBLE 7 /* double word */
	198	#define T_STRUCT 8 /* structure */
	199	#define T_UNION 9 /* union */
	200	#define T_ENUM 10 /* enumeration */
	201	#define T_MOE 11 /* member of enumeration*/
	202	#define T_UCHAR 12 /* unsigned character */
	203	#define T_USHORT 13 /* unsigned short */
	204	#define T_UINT 14 /* unsigned integer */
	205	#define T_ULONG 15 /* unsigned long */
	206	#define T_LNGDBL 16 /* long double */
	207
	208	/*
	209	* derived types, in n_type
	210	*/
	211	#define DT_NON (0) /* no derived type */
	212	#define DT_PTR (1) /* pointer */
	213	#define DT_FCN (2) /* function */
	214	#define DT_ARY (3) /* array */
	215
	216	#define BTYPE(x) ((x) & N_BTMASK)
	217
	218	#define ISPTR(x) (((x) & N_TMASK) == (DT_PTR << N_BTSHFT))
	219	#define ISFCN(x) (((x) & N_TMASK) == (DT_FCN << N_BTSHFT))
	220	#define ISARY(x) (((x) & N_TMASK) == (DT_ARY << N_BTSHFT))
	221	#define ISTAG(x) ((x)==C_STRTAG\|\|(x)==C_UNTAG\|\|(x)==C_ENTAG)
	222	#define DECREF(x) ((((x)>>N_TSHIFT)&~N_BTMASK)\|((x)&N_BTMASK))
	223
	224
	225	union internal_auxent
	226	{
	227	struct {
	228	union {
	229	long l; /* str, un, or enum tag indx */
	230	struct coff_ptr_struct *p;
	231	} x_tagndx;
	232
	233	union {
	234	struct {
	235	unsigned short x_lnno; /* declaration line number */
	236	unsigned short x_size; /* str/union/array size */
	237	} x_lnsz;
	238	long x_fsize; /* size of function */
	239	} x_misc;
	240	union {
	241
	242	struct { /* if ISFCN, tag, or .bb */
	243	long x_lnnoptr; /* ptr to fcn line # */
	244	union { /* entry ndx past block end */
245	long l;
246	struct coff_ptr_struct *p;
247
248	} x_endndx;
249
250
251	} x_fcn;
252	struct { /* if ISARY, up to 4 dimen. */
253	unsigned short x_dimen[DIMNUM];
254	} x_ary;
255	} x_fcnary;
256	unsigned short x_tvndx; /* tv index */
257	} x_sym;
258
259	union {
260	char x_fname[FILNMLEN];
261	struct {
262	long x_zeroes;
263	long x_offset;
264	} x_n;
265	} x_file;
266
267	struct {
268	long x_scnlen; /* section length */
269	unsigned short x_nreloc; /* # relocation entries */
270	unsigned short x_nlinno; /* # line numbers */
271	} x_scn;
272
273	struct {
274	long x_tvfill; /* tv fill value */
275	unsigned short x_tvlen; /* length of .tv */
276	unsigned short x_tvran[2]; /* tv range */
277	} x_tv; /* info about .tv section (in auxent of symbol .tv)) */
278
279	/******************************************
280	* I960-specific 2nd aux. entry formats
281	******************************************/
282	struct {
283	/* This is a very old typo that keeps getting propagated. */
284	#define x_stdindx x_stindx
285	long x_stindx; /* sys. table entry */
286	} x_sc; /* system call entry */
287
288	struct {
289	unsigned long x_balntry; /* BAL entry point */
290	} x_bal; /* BAL-callable function */
291
292	struct {
293	unsigned long x_timestamp; /* time stamp */
294	char x_idstring[20]; /* producer identity string */
295	} x_ident; /* Producer ident info */
296
297
298	};
299
300	/******************** RELOCATION DIRECTIVES ********************/
301
302	struct internal_reloc {
303	long r_vaddr; /* Virtual address of reference */
304	long r_symndx; /* Index into symbol table */
305	unsigned short r_type; /* Relocation type */
306	#if M88
307	unsigned short r_offset;
308	#endif
309	};
310
311	#define R_RELBYTE 017
312	#define R_RELWORD 020
313	#define R_PCRBYTE 022
314	#define R_PCRWORD 023
315	#define R_PCRLONG 024
316
317	#define R_DIR32 06
318	#define R_PCLONG 020
319	#define R_RELBYTE 017
320	#define R_RELWORD 020
321
322	#define R_PCRBYTE 022
323	#define R_PCRWORD 023
324	#define R_PCRLONG 024
325
326	#define R_PCR16L 128
327	#define R_PCR26L 129
328	#define R_VRT16 130
329	#define R_HVRT16 131
330	#define R_LVRT16 132
331	#define R_VRT32 133
332	#define R_RELLONG (0x11) /* Direct 32-bit relocation */
333	#define R_IPRSHORT (0x18)
334	#define R_IPRMED (0x19) /* 24-bit ip-relative relocation */
335	#define R_IPRLONG (0x1a)
336	#define R_OPTCALL (0x1b) /* 32-bit optimizable call (leafproc/sysproc) */
337	#define R_OPTCALLX (0x1c) /* 64-bit optimizable call (leafproc/sysproc) */
338	#define R_GETSEG (0x1d)
339	#define R_GETPA (0x1e)
340	#define R_TAGWORD (0x1f)