[binutils.git] / include / coff / z8k.h

/*** coff information for Zilog Z800N */

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


/* Type of cpu is stored in flags */
#define F_Z8001    0x1000
#define F_Z8002    0x2000
#define F_MACHMASK 0xf000

#define	Z8KMAGIC	0x8000

#define Z8KBADMAG(x) (((x).f_magic!=Z8KMAGIC))

#define	FILHDR	struct external_filehdr
#define	FILHSZ	20


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

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


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

#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	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];
};


#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 **********************/

/* The external reloc has an offset field, because some of the reloc
   types on the z8k don't have room in the instruction for the entire
   offset - eg with segments */

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


#define RELOC struct external_reloc
#define RELSZ 16
Commit	Line	Data
252b5132 RH	1	/*** coff information for Zilog Z800N */
	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	/* Type of cpu is stored in flags */
	17	#define F_Z8001 0x1000
	18	#define F_Z8002 0x2000
	19	#define F_MACHMASK 0xf000
	20
	21	#define Z8KMAGIC 0x8000
	22
	23	#define Z8KBADMAG(x) (((x).f_magic!=Z8KMAGIC))
	24
	25	#define FILHDR struct external_filehdr
	26	#define FILHSZ 20
	27
	28
	29	/******************** AOUT "OPTIONAL HEADER" ********************/
	30
	31
	32	typedef struct
	33	{
	34	char magic[2]; /* type of file */
	35	char vstamp[2]; /* version stamp */
	36	char tsize[4]; /* text size in bytes, padded to FW bdry*/
	37	char dsize[4]; /* initialized data " " */
	38	char bsize[4]; /* uninitialized data " " */
	39	char entry[4]; /* entry pt. */
	40	char text_start[4]; /* base of text used for this file */
	41	char data_start[4]; /* base of data used for this file */
	42	}
	43	AOUTHDR;
	44
	45
	46	#define AOUTHDRSZ 28
	47	#define AOUTSZ 28
	48
	49
	50
	51
	52	/******************** SECTION HEADER ********************/
	53
	54
	55	struct external_scnhdr {
	56	char s_name[8]; /* section name */
	57	char s_paddr[4]; /* physical address, aliased s_nlib */
	58	char s_vaddr[4]; /* virtual address */
	59	char s_size[4]; /* section size */
	60	char s_scnptr[4]; /* file ptr to raw data for section */
	61	char s_relptr[4]; /* file ptr to relocation */
	62	char s_lnnoptr[4]; /* file ptr to line numbers */
	63	char s_nreloc[2]; /* number of relocation entries */
	64	char s_nlnno[2]; /* number of line number entries*/
65	char s_flags[4]; /* flags */
66	};
67
68	/*
69	* names of "special" sections
70	*/
71	#define _TEXT ".text"
72	#define _DATA ".data"
73	#define _BSS ".bss"
74
75
76	#define SCNHDR struct external_scnhdr
77	#define SCNHSZ 40
78
79
80	/******************** LINE NUMBERS ********************/
81
82	/* 1 line number entry for every "breakpointable" source line in a section.
83	* Line numbers are grouped on a per function basis; first entry in a function
84	* grouping will have l_lnno = 0 and in place of physical address will be the
85	* symbol table index of the function name.
86	*/
87	struct external_lineno {
88	union {
89	char l_symndx[4]; /* function name symbol index, iff l_lnno == 0*/
90	char l_paddr[4]; /* (physical) address of line number */
91	} l_addr;
92	char l_lnno[4]; /* line number */
93	};
94
95	#define GET_LINENO_LNNO(abfd, ext) bfd_h_get_32(abfd, (bfd_byte *) (ext->l_lnno));
96	#define PUT_LINENO_LNNO(abfd,val, ext) bfd_h_put_32(abfd,val, (bfd_byte *) (ext->l_lnno));
97
98	#define LINENO struct external_lineno
99	#define LINESZ 8
100
101
102	/******************** SYMBOLS ********************/
103
104	#define E_SYMNMLEN 8 /* # characters in a symbol name */
105	#define E_FILNMLEN 14 /* # characters in a file name */
106	#define E_DIMNUM 4 /* # array dimensions in auxiliary entry */
107
108	struct external_syment
109	{
110	union {
111	char e_name[E_SYMNMLEN];
112	struct {
113	char e_zeroes[4];
114	char e_offset[4];
115	} e;
116	} e;
117	char e_value[4];
118	char e_scnum[2];
119	char e_type[2];
120	char e_sclass[1];
121	char e_numaux[1];
122	};
123
124
125
126	#define N_BTMASK (017)
127	#define N_TMASK (060)
128	#define N_BTSHFT (4)
129	#define N_TSHIFT (2)
130
131
132	union external_auxent {
133	struct {
134	char x_tagndx[4]; /* str, un, or enum tag indx */
135	union {
136	struct {
137	char x_lnno[2]; /* declaration line number */
138	char x_size[2]; /* str/union/array size */
139	} x_lnsz;
140	char x_fsize[4]; /* size of function */
141	} x_misc;
142	union {
143	struct { /* if ISFCN, tag, or .bb */
144	char x_lnnoptr[4]; /* ptr to fcn line # */
145	char x_endndx[4]; /* entry ndx past block end */
146	} x_fcn;
147	struct { /* if ISARY, up to 4 dimen. */
148	char x_dimen[E_DIMNUM][2];
149	} x_ary;
150	} x_fcnary;
151	char x_tvndx[2]; /* tv index */
152	} x_sym;
153
154	union {
155	char x_fname[E_FILNMLEN];
156	struct {
157	char x_zeroes[4];
158	char x_offset[4];
159	} x_n;
160	} x_file;
161
162	struct {
163	char x_scnlen[4]; /* section length */
164	char x_nreloc[2]; /* # relocation entries */
165	char x_nlinno[2]; /* # line numbers */
166	} x_scn;
167
168	struct {
169	char x_tvfill[4]; /* tv fill value */
170	char x_tvlen[2]; /* length of .tv */
171	char x_tvran[2][2]; /* tv range */
172	} x_tv; /* info about .tv section (in auxent of symbol .tv)) */
173
174
175	};
176
177	#define SYMENT struct external_syment
178	#define SYMESZ 18
179	#define AUXENT union external_auxent
180	#define AUXESZ 18
181
182
183
184	/******************** RELOCATION DIRECTIVES ********************/
185
186	/* The external reloc has an offset field, because some of the reloc
187	types on the z8k don't have room in the instruction for the entire
188	offset - eg with segments */
189
190	struct external_reloc {
191	char r_vaddr[4];
192	char r_symndx[4];
193	char r_offset[4];
194	char r_type[2];
195	char r_stuff[2];
196	};
197
198
199	#define RELOC struct external_reloc
200	#define RELSZ 16
201