[deliverable/binutils-gdb.git] / include / coff / tic80.h

/*** coff information for TI TMS320C80 (MVP) */

/********************** 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			*/
	char f_target_id[2];	/* target id (TIc80 specific)	*/
};


#define	TIC80_ARCH_MAGIC	0x0C1	/* Goes in the file header magic number field */
#define TIC80MAGIC		0x108	/* Goes in the optional file header magic number field */


#define TIC80BADMAG(x) ((x).f_magic != TIC80_ARCH_MAGIC)

#define	FILHDR	struct external_filehdr
#define	FILHSZ	22


/********************** 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 AOUTHDRSZ 28
#define AOUTSZ 28


/********************** 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[2];	/* flags			*/
	char		s_reserved[1];	/* reserved (TIc80 specific)	*/
	char		s_mempage[1];	/* memory page number (TIc80)	*/
};

/*
 * names of "special" sections
 */
#define _TEXT	".text"
#define _DATA	".data"
#define _BSS	".bss"
#define _CINIT	".cinit"
#define _CONST	".const"
#define _SWITCH	".switch"
#define _STACK	".stack"
#define _SYSMEM	".sysmem"


#define	SCNHDR	struct external_scnhdr
#define	SCNHSZ	40


/********************** 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 GET_LINENO_LNNO(abfd, ext) bfd_h_get_16(abfd, (bfd_byte *) (ext->l_lnno));
#define PUT_LINENO_LNNO(abfd,val, ext) bfd_h_put_16(abfd,val,  (bfd_byte *) (ext->l_lnno));

#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	(017)
#define N_TMASK		(060)
#define N_BTSHFT	(4)
#define N_TSHIFT	(2)
  
/* FIXME - need to correlate with TIc80 Code Generation Tools User's Guide, CG:A-25 */
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 **********************/

/* The external reloc has an offset field, because some of the reloc
   types on the h8 don't have room in the instruction for the entire
   offset - eg the strange jump and high page addressing modes */

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


#define RELOC struct external_reloc
#define RELSZ 12

/* TIc80 relocation types. */

#define R_ABS		0x00		/* Absolute address - no relocation */
#define R_RELLONGX	0x11		/* PP: 32 bits, direct */
#define R_PPBASE	0x34		/* PP: Global base address type */
#define R_PPLBASE	0x35		/* PP: Local base address type */
#define R_PP15		0x38		/* PP: Global 15 bit offset */
#define R_PP15W		0x39		/* PP: Global 15 bit offset divided by 4 */
#define R_PP15H		0x3A		/* PP: Global 15 bit offset divided by 2 */
#define R_PP16B		0x3B		/* PP: Global 16 bit offset for bytes */
#define R_PPL15		0x3C		/* PP: Local 15 bit offset */
#define R_PPL15W	0x3D		/* PP: Local 15 bit offset divided by 4 */
#define R_PPL15H	0x3E		/* PP: Local 15 bit offset divided by 2 */
#define R_PPL16B	0x03		/* PP: Local 16 bit offset for bytes */
#define R_PPN15		0x40		/* PP: Global 15 bit negative offset */
#define R_PPN15W	0x41		/* PP: Global 15 bit negative offset divided by 4 */
#define R_PPN15H	0x42		/* PP: Global 15 bit negative offset divided by 2 */
#define R_PPN16B	0x43		/* PP: Global 16 bit negative byte offset */
#define R_PPLN15	0x44		/* PP: Local 15 bit negative offset */
#define R_PPLN15W	0x45		/* PP: Local 15 bit negative offset divided by 4 */
#define R_PPLN15H	0x46		/* PP: Local 15 bit negative offset divided by 2 */
#define R_PPLN16B	0x47		/* PP: Local 16 bit negative byte offset */
#define R_MPPCR		0x4F		/* MP: 32 bit PC-relative divided by 4 */
Commit	Line	Data
baf6d28e FF	1	/*** coff information for TI TMS320C80 (MVP) */
	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	char f_target_id[2]; /* target id (TIc80 specific) */
	14	};
	15
	16
	17
	18	#define TIC80_ARCH_MAGIC 0x0C1 /* Goes in the file header magic number field */
	19	#define TIC80MAGIC 0x108 /* Goes in the optional file header magic number field */
	20
	21
	22	#define TIC80BADMAG(x) ((x).f_magic != TIC80_ARCH_MAGIC)
	23
	24	#define FILHDR struct external_filehdr
	25	#define FILHSZ 22
	26
	27
	28	/******************** AOUT "OPTIONAL HEADER" ********************/
	29
	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 */
	41	}
	42	AOUTHDR;
	43
	44
	45	#define AOUTHDRSZ 28
	46	#define AOUTSZ 28
	47
	48
	49
	50
	51	/******************** SECTION HEADER ********************/
	52
	53
	54	struct external_scnhdr {
	55	char s_name[8]; /* section name */
	56	char s_paddr[4]; /* physical address, aliased s_nlib */
	57	char s_vaddr[4]; /* virtual address */
	58	char s_size[4]; /* section size */
	59	char s_scnptr[4]; /* file ptr to raw data for section */
	60	char s_relptr[4]; /* file ptr to relocation */
	61	char s_lnnoptr[4]; /* file ptr to line numbers */
	62	char s_nreloc[2]; /* number of relocation entries */
	63	char s_nlnno[2]; /* number of line number entries*/
	64	char s_flags[2]; /* flags */
65	char s_reserved[1]; /* reserved (TIc80 specific) */
66	char s_mempage[1]; /* memory page number (TIc80) */
67	};
68
69	/*
70	* names of "special" sections
71	*/
72	#define _TEXT ".text"
73	#define _DATA ".data"
74	#define _BSS ".bss"
75	#define _CINIT ".cinit"
76	#define _CONST ".const"
77	#define _SWITCH ".switch"
78	#define _STACK ".stack"
79	#define _SYSMEM ".sysmem"
80
81
82	#define SCNHDR struct external_scnhdr
83	#define SCNHSZ 40
84
85
86	/******************** LINE NUMBERS ********************/
87
88	/* 1 line number entry for every "breakpointable" source line in a section.
89	* Line numbers are grouped on a per function basis; first entry in a function
90	* grouping will have l_lnno = 0 and in place of physical address will be the
91	* symbol table index of the function name.
92	*/
93	struct external_lineno {
94	union {
95	char l_symndx[4]; /* function name symbol index, iff l_lnno == 0*/
96	char l_paddr[4]; /* (physical) address of line number */
97	} l_addr;
98	char l_lnno[2]; /* line number */
99	};
100
101	#define GET_LINENO_LNNO(abfd, ext) bfd_h_get_16(abfd, (bfd_byte *) (ext->l_lnno));
102	#define PUT_LINENO_LNNO(abfd,val, ext) bfd_h_put_16(abfd,val, (bfd_byte *) (ext->l_lnno));
103
104	#define LINENO struct external_lineno
105	#define LINESZ 6
106
107
108	/******************** SYMBOLS ********************/
109
110	#define E_SYMNMLEN 8 /* # characters in a symbol name */
111	#define E_FILNMLEN 14 /* # characters in a file name */
112	#define E_DIMNUM 4 /* # array dimensions in auxiliary entry */
113
114	struct external_syment
115	{
116	union {
117	char e_name[E_SYMNMLEN];
118	struct {
119	char e_zeroes[4];
120	char e_offset[4];
121	} e;
122	} e;
123	char e_value[4];
124	char e_scnum[2];
125	char e_type[2];
126	char e_sclass[1];
127	char e_numaux[1];
128	};
129
130
131
132	#define N_BTMASK (017)
133	#define N_TMASK (060)
134	#define N_BTSHFT (4)
135	#define N_TSHIFT (2)
136
137	/* FIXME - need to correlate with TIc80 Code Generation Tools User's Guide, CG:A-25 */
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
190	/******************** RELOCATION DIRECTIVES ********************/
191
192	/* The external reloc has an offset field, because some of the reloc
193	types on the h8 don't have room in the instruction for the entire
194	offset - eg the strange jump and high page addressing modes */
195
196	struct external_reloc {
197	char r_vaddr[4];
198	char r_symndx[4];
199	char r_reserved[2];
200	char r_type[2];
201	};
202
203
204	#define RELOC struct external_reloc
205	#define RELSZ 12
206
207	/* TIc80 relocation types. */
208
209	#define R_ABS 0x00 /* Absolute address - no relocation */
210	#define R_RELLONGX 0x11 /* PP: 32 bits, direct */
211	#define R_PPBASE 0x34 /* PP: Global base address type */
212	#define R_PPLBASE 0x35 /* PP: Local base address type */
213	#define R_PP15 0x38 /* PP: Global 15 bit offset */
214	#define R_PP15W 0x39 /* PP: Global 15 bit offset divided by 4 */
215	#define R_PP15H 0x3A /* PP: Global 15 bit offset divided by 2 */
216	#define R_PP16B 0x3B /* PP: Global 16 bit offset for bytes */
217	#define R_PPL15 0x3C /* PP: Local 15 bit offset */
218	#define R_PPL15W 0x3D /* PP: Local 15 bit offset divided by 4 */
219	#define R_PPL15H 0x3E /* PP: Local 15 bit offset divided by 2 */
220	#define R_PPL16B 0x03 /* PP: Local 16 bit offset for bytes */
221	#define R_PPN15 0x40 /* PP: Global 15 bit negative offset */
222	#define R_PPN15W 0x41 /* PP: Global 15 bit negative offset divided by 4 */
223	#define R_PPN15H 0x42 /* PP: Global 15 bit negative offset divided by 2 */
224	#define R_PPN16B 0x43 /* PP: Global 16 bit negative byte offset */
225	#define R_PPLN15 0x44 /* PP: Local 15 bit negative offset */
226	#define R_PPLN15W 0x45 /* PP: Local 15 bit negative offset divided by 4 */
227	#define R_PPLN15H 0x46 /* PP: Local 15 bit negative offset divided by 2 */
228	#define R_PPLN16B 0x47 /* PP: Local 16 bit negative byte offset */
229	#define R_MPPCR 0x4F /* MP: 32 bit PC-relative divided by 4 */