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

/*** coff information for Apollo M68K */

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


/* Motorola 68000/68008/68010/68020 */
#define	MC68MAGIC	0520
#define MC68KWRMAGIC	0520	/* writeable text segments */
#define	MC68TVMAGIC	0521
#define MC68KROMAGIC	0521	/* readonly shareable text segments */
#define MC68KPGMAGIC	0522	/* demand paged text segments */
#define	M68MAGIC	0210
#define	M68TVMAGIC	0211

/* Apollo 68000-based machines have a different magic number. This comes
 * from /usr/include/apollo/filehdr.h
 */
#define APOLLOM68KMAGIC 0627

#define OMAGIC M68MAGIC
#define M68KBADMAG(x) (((x).f_magic!=MC68MAGIC) && ((x).f_magic!=MC68KWRMAGIC) && ((x).f_magic!=MC68TVMAGIC) && \
  ((x).f_magic!=MC68KROMAGIC) && ((x).f_magic!=MC68KPGMAGIC) && ((x).f_magic!=M68MAGIC) && ((x).f_magic!=M68TVMAGIC)  && \
  ((x).f_magic!=APOLLOM68KMAGIC) )


#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 */
  char	o_sri[4];		/* Apollo specific - .sri data pointer */
  char  o_inlib[4];		/* Apollo specific - .inlib data pointer */
  char	vid[8];			/* Apollo specific - 64 bit version ID */
}
AOUTHDR;

#define	APOLLO_COFF_VERSION_NUMBER 1 /* the value of the aouthdr magic */
#define	AOUTHDRSZ (sizeof(AOUTHDR))
#define AOUTSZ (sizeof(AOUTHDR))


/********************** SECTION HEADER **********************/

struct external_scnhdr {
	/* Apollo allow for larger section names by  allowing it to be in
	 * the string table.
	 */
	char		s_name[8];
	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			*/
};

/* If s_zeores is all zeroes, s_offset gives the real location of the name
 * in the string table.
 */

#define	s_zeroes section_name.s_name
#define	s_offset (section_name.s_name+4)

/*
 * names of "special" sections
 */
#define _TEXT	".text"
#define _DATA	".data"
#define _BSS	".bss"
#define _TV	".tv"
#define _INIT	".init"
#define _FINI	".fini"
#define	_LINES	".lines"
#define	_BLOCKS	".blocks"
#define _SRI    ".sri"                  /* Static Resource Information (systype,
 et al.) */
#define _MIR    ".mir"                  /* Module Information Records  */
#define _APTV   ".aptv"                 /* Apollo-style transfer vectors. */
#define _INLIB  ".inlib"                /* Shared Library information */
#define _RWDI   ".rwdi"         /* Read/write data initialization directives for
 compressed sections */
#define _UNWIND ".unwind"               /* Stack unwind information */

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


#define	LINENO	struct external_lineno
#define	LINESZ	sizeof(LINENO) 


/********************** 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	(017)
#define N_TMASK		(060)
#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


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


struct external_reloc {
  char r_vaddr[4];
  char r_symndx[4];
  char r_type[2];
#ifdef M68K_COFF_OFFSET
  char r_offset[4];
#endif

};


#define RELOC struct external_reloc

#define RELSZ sizeof(struct external_reloc)

/* Apollo specific STYP flags */

#define STYP_RELOCATED_NOT_LOADED 0x00010000	/* Section is relocated normally during linking, but need
                                            	   not be loaded during program execution */
#define STYP_DEBUG              0x00020000	/* debug section */
#define STYP_OVERLAY		0x00040000	/* Section is overlayed */
#define STYP_INSTRUCTION    	0x00200000	/* Section contains executable code */

#define STYP_ZERO		0x00800000	/* Section is initialized to zero */
#define STYP_INSTALLED		0x02000000	/* Section should be installable in KGT */
#define STYP_LOOK_INSTALLED	0x04000000	/* Look for section in KGT */
#define STYP_SECALIGN1		0x08000000	/* Specially aligned section */
#define STYP_SECALIGN2		0x10000000	/*      "       "       "    */
#define STYP_COMPRESSED		0x20000000	/* No section data per se (s_scnptr = 0), but there are
						   initialization directives for it in .rwdi section
						   (used in conjunction with STYP_BSS) */
Commit	Line	Data
a69fa223 KK	1	/*** coff information for Apollo M68K */
	2
	3	/******************** FILE HEADER ********************/
	4
	5	struct external_filehdr {
	6	char f_magic[2]; /* magic number */
	7	char f_nscns[2]; /* number of sections */
	8	char f_timdat[4]; /* time & date stamp */
	9	char f_symptr[4]; /* file pointer to symtab */
	10	char f_nsyms[4]; /* number of symtab entries */
	11	char f_opthdr[2]; /* sizeof(optional hdr) */
	12	char f_flags[2]; /* flags */
	13	};
	14
	15
	16	/* Motorola 68000/68008/68010/68020 */
	17	#define MC68MAGIC 0520
	18	#define MC68KWRMAGIC 0520 /* writeable text segments */
	19	#define MC68TVMAGIC 0521
	20	#define MC68KROMAGIC 0521 /* readonly shareable text segments */
	21	#define MC68KPGMAGIC 0522 /* demand paged text segments */
	22	#define M68MAGIC 0210
	23	#define M68TVMAGIC 0211
	24
	25	/* Apollo 68000-based machines have a different magic number. This comes
	26	* from /usr/include/apollo/filehdr.h
	27	*/
	28	#define APOLLOM68KMAGIC 0627
	29
	30	#define OMAGIC M68MAGIC
	31	#define M68KBADMAG(x) (((x).f_magic!=MC68MAGIC) && ((x).f_magic!=MC68KWRMAGIC) && ((x).f_magic!=MC68TVMAGIC) && \
	32	((x).f_magic!=MC68KROMAGIC) && ((x).f_magic!=MC68KPGMAGIC) && ((x).f_magic!=M68MAGIC) && ((x).f_magic!=M68TVMAGIC) && \
	33	((x).f_magic!=APOLLOM68KMAGIC) )
	34
	35
	36	#define FILHDR struct external_filehdr
	37	#define FILHSZ sizeof(FILHDR)
	38
	39
	40	/******************** AOUT "OPTIONAL HEADER" ********************/
	41
	42	typedef struct
	43	{
	44	char magic[2]; /* type of file */
	45	char vstamp[2]; /* version stamp */
	46	char tsize[4]; /* text size in bytes, padded to FW bdry*/
	47	char dsize[4]; /* initialized data " " */
	48	char bsize[4]; /* uninitialized data " " */
	49	char entry[4]; /* entry pt. */
	50	char text_start[4]; /* base of text used for this file */
	51	char data_start[4]; /* base of data used for this file */
	52	char o_sri[4]; /* Apollo specific - .sri data pointer */
	53	char o_inlib[4]; /* Apollo specific - .inlib data pointer */
	54	char vid[8]; /* Apollo specific - 64 bit version ID */
	55	}
	56	AOUTHDR;
	57
	58	#define APOLLO_COFF_VERSION_NUMBER 1 /* the value of the aouthdr magic */
	59	#define AOUTHDRSZ (sizeof(AOUTHDR))
	60	#define AOUTSZ (sizeof(AOUTHDR))
	61
	62
	63
	64	/******************** SECTION HEADER ********************/
65
66	struct external_scnhdr {
67	/* Apollo allow for larger section names by allowing it to be in
68	* the string table.
69	*/
70	char s_name[8];
71	char s_paddr[4]; /* physical address, aliased s_nlib */
72	char s_vaddr[4]; /* virtual address */
73	char s_size[4]; /* section size */
74	char s_scnptr[4]; /* file ptr to raw data for section */
75	char s_relptr[4]; /* file ptr to relocation */
76	char s_lnnoptr[4]; /* file ptr to line numbers */
77	char s_nreloc[2]; /* number of relocation entries */
78	char s_nlnno[2]; /* number of line number entries*/
79	char s_flags[4]; /* flags */
80	};
81
82	/* If s_zeores is all zeroes, s_offset gives the real location of the name
83	* in the string table.
84	*/
85
86	#define s_zeroes section_name.s_name
87	#define s_offset (section_name.s_name+4)
88
89	/*
90	* names of "special" sections
91	*/
92	#define _TEXT ".text"
93	#define _DATA ".data"
94	#define _BSS ".bss"
95	#define _TV ".tv"
96	#define _INIT ".init"
97	#define _FINI ".fini"
98	#define _LINES ".lines"
99	#define _BLOCKS ".blocks"
100	#define _SRI ".sri" /* Static Resource Information (systype,
101	et al.) */
102	#define _MIR ".mir" /* Module Information Records */
103	#define _APTV ".aptv" /* Apollo-style transfer vectors. */
104	#define _INLIB ".inlib" /* Shared Library information */
105	#define _RWDI ".rwdi" /* Read/write data initialization directives for
106	compressed sections */
107	#define _UNWIND ".unwind" /* Stack unwind information */
108
109	#define SCNHDR struct external_scnhdr
110	#define SCNHSZ sizeof(SCNHDR)
111
112
113	/******************** LINE NUMBERS ********************/
114
115	/* 1 line number entry for every "breakpointable" source line in a section.
116	* Line numbers are grouped on a per function basis; first entry in a function
117	* grouping will have l_lnno = 0 and in place of physical address will be the
118	* symbol table index of the function name.
119	*/
120	struct external_lineno {
121	union {
122	char l_symndx[4]; /* function name symbol index, iff l_lnno == 0*/
123	char l_paddr[4]; /* (physical) address of line number */
124	} l_addr;
125	char l_lnno[2]; /* line number */
126	};
127
128
129	#define LINENO struct external_lineno
130	#define LINESZ sizeof(LINENO)
131
132
133	/******************** SYMBOLS ********************/
134
135	#define E_SYMNMLEN 8 /* # characters in a symbol name */
136	#define E_FILNMLEN 14 /* # characters in a file name */
137	#define E_DIMNUM 4 /* # array dimensions in auxiliary entry */
138
139	struct external_syment
140	{
141	union {
142	char e_name[E_SYMNMLEN];
143	struct {
144	char e_zeroes[4];
145	char e_offset[4];
146	} e;
147	} e;
148	char e_value[4];
149	char e_scnum[2];
150	char e_type[2];
151	char e_sclass[1];
152	char e_numaux[1];
153	};
154
155
156
157	#define N_BTMASK (017)
158	#define N_TMASK (060)
159	#define N_BTSHFT (4)
160	#define N_TSHIFT (2)
161
162
163	union external_auxent {
164	struct {
165	char x_tagndx[4]; /* str, un, or enum tag indx */
166	union {
167	struct {
168	char x_lnno[2]; /* declaration line number */
169	char x_size[2]; /* str/union/array size */
170	} x_lnsz;
171	char x_fsize[4]; /* size of function */
172	} x_misc;
173	union {
174	struct { /* if ISFCN, tag, or .bb */
175	char x_lnnoptr[4]; /* ptr to fcn line # */
176	char x_endndx[4]; /* entry ndx past block end */
177	} x_fcn;
178	struct { /* if ISARY, up to 4 dimen. */
179	char x_dimen[E_DIMNUM][2];
180	} x_ary;
181	} x_fcnary;
182	char x_tvndx[2]; /* tv index */
183	} x_sym;
184
185	union {
186	char x_fname[E_FILNMLEN];
187	struct {
188	char x_zeroes[4];
189	char x_offset[4];
190	} x_n;
191	} x_file;
192
193	struct {
194	char x_scnlen[4]; /* section length */
195	char x_nreloc[2]; /* # relocation entries */
196	char x_nlinno[2]; /* # line numbers */
197	} x_scn;
198
199	struct {
200	char x_tvfill[4]; /* tv fill value */
201	char x_tvlen[2]; /* length of .tv */
202	char x_tvran[2][2]; /* tv range */
203	} x_tv; /* info about .tv section (in auxent of symbol .tv)) */
204
205
206	};
207
208	#define SYMENT struct external_syment
209	#define SYMESZ 18
210	#define AUXENT union external_auxent
211	#define AUXESZ 18
212
213
214
215	/******************** RELOCATION DIRECTIVES ********************/
216
217
218	struct external_reloc {
219	char r_vaddr[4];
220	char r_symndx[4];
221	char r_type[2];
222	#ifdef M68K_COFF_OFFSET
223	char r_offset[4];
224	#endif
225
226	};
227
228
229	#define RELOC struct external_reloc
230
231	#define RELSZ sizeof(struct external_reloc)
232
233	/* Apollo specific STYP flags */
234
235	#define STYP_RELOCATED_NOT_LOADED 0x00010000 /* Section is relocated normally during linking, but need
236	not be loaded during program execution */
237	#define STYP_DEBUG 0x00020000 /* debug section */
238	#define STYP_OVERLAY 0x00040000 /* Section is overlayed */
239	#define STYP_INSTRUCTION 0x00200000 /* Section contains executable code */
240
241	#define STYP_ZERO 0x00800000 /* Section is initialized to zero */
242	#define STYP_INSTALLED 0x02000000 /* Section should be installable in KGT */
243	#define STYP_LOOK_INSTALLED 0x04000000 /* Look for section in KGT */
244	#define STYP_SECALIGN1 0x08000000 /* Specially aligned section */
245	#define STYP_SECALIGN2 0x10000000 /* " " " */
246	#define STYP_COMPRESSED 0x20000000 /* No section data per se (s_scnptr = 0), but there are
247	initialization directives for it in .rwdi section
248	(used in conjunction with STYP_BSS) */