[deliverable/binutils-gdb.git] / include / coff / i860.h

/* This file was hacked from i386.h   [dolan@ssd.intel.com] */

/*** coff information for Intel 860.  */


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


/* 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	I860MAGIC	0x14d

#define I860BADMAG(x)   ((x).f_magic != I860MAGIC)

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


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


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;


#define AOUTSZ (sizeof(AOUTHDR))

/* FIXME: What are the a.out magic numbers?  */

/********************** 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[4];	/* flags			*/
};

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

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

/********************** 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[2];	/* line number		*/
};


#define	LINENO	struct external_lineno
#define	LINESZ	6


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

#define N_BTMASK	(0xf)
#define N_TMASK		(0x30)
#define N_BTSHFT	(4)
#define N_TSHIFT	(2)
  
union external_auxent {
	struct {
		char x_tagndx[4];	/* str, un, or enum tag indx */
		union {
			struct {
			    char  x_lnno[2]; /* declaration line number */
			    char  x_size[2]; /* str/union/array size */
			} x_lnsz;
			char x_fsize[4];	/* size of function */
		} x_misc;
		union {
			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;
			struct {		/* if ISARY, up to 4 dimen. */
			    char x_dimen[E_DIMNUM][2];
			} x_ary;
		} x_fcnary;
		char x_tvndx[2];		/* tv index */
	} 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[2];	/* # relocation entries */
		char x_nlinno[2];	/* # 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	SYMENT	struct external_syment
#define	SYMESZ	18	
#define	AUXENT	union external_auxent
#define	AUXESZ	18


#	define _ETEXT	"etext"


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


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


#define RELOC struct external_reloc
#define RELSZ 10
Commit	Line	Data
da40dd53 ILT	1	/* This file was hacked from i386.h [dolan@ssd.intel.com] */
	2
	3	/*** coff information for Intel 860. */
	4
	5
	6	/******************** FILE HEADER ********************/
	7
	8	struct external_filehdr {
	9	char f_magic[2]; /* magic number */
	10	char f_nscns[2]; /* number of sections */
	11	char f_timdat[4]; /* time & date stamp */
	12	char f_symptr[4]; /* file pointer to symtab */
	13	char f_nsyms[4]; /* number of symtab entries */
	14	char f_opthdr[2]; /* sizeof(optional hdr) */
	15	char f_flags[2]; /* flags */
	16	};
	17
	18
	19	/* Bits for f_flags:
	20	* F_RELFLG relocation info stripped from file
	21	* F_EXEC file is executable (no unresolved external references)
	22	* F_LNNO line numbers stripped from file
	23	* F_LSYMS local symbols stripped from file
	24	* F_AR32WR file has byte ordering of an AR32WR machine (e.g. vax)
	25	*/
	26
	27	#define F_RELFLG (0x0001)
	28	#define F_EXEC (0x0002)
	29	#define F_LNNO (0x0004)
	30	#define F_LSYMS (0x0008)
	31
	32
	33
	34	#define I860MAGIC 0x14d
	35
	36	#define I860BADMAG(x) ((x).f_magic != I860MAGIC)
	37
	38	#define FILHDR struct external_filehdr
	39	#define FILHSZ sizeof(FILHDR)
	40
	41
	42	/******************** AOUT "OPTIONAL HEADER" ********************/
	43
	44
	45	typedef struct
	46	{
	47	char magic[2]; /* type of file */
	48	char vstamp[2]; /* version stamp */
	49	char tsize[4]; /* text size in bytes, padded to FW bdry*/
	50	char dsize[4]; /* initialized data " " */
	51	char bsize[4]; /* uninitialized data " " */
	52	char entry[4]; /* entry pt. */
	53	char text_start[4]; /* base of text used for this file */
	54	char data_start[4]; /* base of data used for this file */
	55	}
	56	AOUTHDR;
	57
	58
	59	#define AOUTSZ (sizeof(AOUTHDR))
	60
	61	/* FIXME: What are the a.out magic numbers? */
	62
	63	/******************** SECTION HEADER ********************/
	64
65
66	struct external_scnhdr {
67	char s_name[8]; /* section name */
68	char s_paddr[4]; /* physical address, aliased s_nlib */
69	char s_vaddr[4]; /* virtual address */
70	char s_size[4]; /* section size */
71	char s_scnptr[4]; /* file ptr to raw data for section */
72	char s_relptr[4]; /* file ptr to relocation */
73	char s_lnnoptr[4]; /* file ptr to line numbers */
74	char s_nreloc[2]; /* number of relocation entries */
75	char s_nlnno[2]; /* number of line number entries*/
76	char s_flags[4]; /* flags */
77	};
78
79	#define SCNHDR struct external_scnhdr
80	#define SCNHSZ sizeof(SCNHDR)
81
82	/*
83	* names of "special" sections
84	*/
85	#define _TEXT ".text"
86	#define _DATA ".data"
87	#define _BSS ".bss"
88	#define _COMMENT ".comment"
89	#define _LIB ".lib"
90
91	/******************** LINE NUMBERS ********************/
92
93	/* 1 line number entry for every "breakpointable" source line in a section.
94	* Line numbers are grouped on a per function basis; first entry in a function
95	* grouping will have l_lnno = 0 and in place of physical address will be the
96	* symbol table index of the function name.
97	*/
98	struct external_lineno {
99	union {
100	char l_symndx[4]; /* function name symbol index, iff l_lnno == 0*/
101	char l_paddr[4]; /* (physical) address of line number */
102	} l_addr;
103	char l_lnno[2]; /* line number */
104	};
105
106
107	#define LINENO struct external_lineno
108	#define LINESZ 6
109
110
111	/******************** SYMBOLS ********************/
112
113	#define E_SYMNMLEN 8 /* # characters in a symbol name */
114	#define E_FILNMLEN 14 /* # characters in a file name */
115	#define E_DIMNUM 4 /* # array dimensions in auxiliary entry */
116
117	struct external_syment
118	{
119	union {
120	char e_name[E_SYMNMLEN];
121	struct {
122	char e_zeroes[4];
123	char e_offset[4];
124	} e;
125	} e;
126	char e_value[4];
127	char e_scnum[2];
128	char e_type[2];
129	char e_sclass[1];
130	char e_numaux[1];
131	};
132
133	#define N_BTMASK (0xf)
134	#define N_TMASK (0x30)
135	#define N_BTSHFT (4)
136	#define N_TSHIFT (2)
137
138	union external_auxent {
139	struct {
140	char x_tagndx[4]; /* str, un, or enum tag indx */
141	union {
142	struct {
143	char x_lnno[2]; /* declaration line number */
144	char x_size[2]; /* str/union/array size */
145	} x_lnsz;
146	char x_fsize[4]; /* size of function */
147	} x_misc;
148	union {
149	struct { /* if ISFCN, tag, or .bb */
150	char x_lnnoptr[4]; /* ptr to fcn line # */
151	char x_endndx[4]; /* entry ndx past block end */
152	} x_fcn;
153	struct { /* if ISARY, up to 4 dimen. */
154	char x_dimen[E_DIMNUM][2];
155	} x_ary;
156	} x_fcnary;
157	char x_tvndx[2]; /* tv index */
158	} x_sym;
159
160	union {
161	char x_fname[E_FILNMLEN];
162	struct {
163	char x_zeroes[4];
164	char x_offset[4];
165	} x_n;
166	} x_file;
167
168	struct {
169	char x_scnlen[4]; /* section length */
170	char x_nreloc[2]; /* # relocation entries */
171	char x_nlinno[2]; /* # line numbers */
172	} x_scn;
173
174	struct {
175	char x_tvfill[4]; /* tv fill value */
176	char x_tvlen[2]; /* length of .tv */
177	char x_tvran[2][2]; /* tv range */
178	} x_tv; /* info about .tv section (in auxent of symbol .tv)) */
179
180
181	};
182
183	#define SYMENT struct external_syment
184	#define SYMESZ 18
185	#define AUXENT union external_auxent
186	#define AUXESZ 18
187
188
189	# define _ETEXT "etext"
190
191
192	/******************** RELOCATION DIRECTIVES ********************/
193
194
195
196	struct external_reloc {
197	char r_vaddr[4];
198	char r_symndx[4];
199	char r_type[2];
200	};
201
202
203	#define RELOC struct external_reloc
204	#define RELSZ 10