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

/*** coff information for Sparc.  */

/* This file is an amalgamation of several standard include files that
   define coff format, such as filehdr.h, aouthdr.h, and so forth.  In
   addition, all datatypes have been translated into character arrays of
   (presumed) equivalent size.  This is necessary so that this file can
   be used with different systems while still yielding the same results.  */

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

#define F_RELFLG	(0x0001)	/* relocation info stripped */
#define F_EXEC		(0x0002)	/* file is executable */
#define F_LNNO		(0x0004)	/* line numbers stripped */
#define F_LSYMS		(0x0008)	/* local symbols stripped */

#define SPARCMAGIC	(0540)

/* This is Lynx's all-platform magic number for executables. */

#define LYNXCOFFMAGIC	(0415)

#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))

#define OMAGIC          0404    /* object files, eg as output */
#define ZMAGIC          0413    /* demand load format, eg normal ld output */
#define STMAGIC		0401	/* target shlib */
#define SHMAGIC		0443	/* host   shlib */

/********************** 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 _TV	".tv"
#define _INIT	".init"
#define _FINI	".fini"
#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];		/* fn 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;
#if 0 /* of doubtful value */
    char e_nptr[2][4];
    struct {
      char e_leading_zero[1];
      char e_dbx_type[1];
      char e_dbx_desc[2];
    } e_dbx;
#endif
  } e;

  char e_value[4];
  char e_scnum[2];
  char e_type[2];
  char e_sclass[1];
  char e_numaux[1];
  char padding[2];
};

#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;			/* .tv section info (in auxent of sym .tv)) */

  char x_fill[20];		/* forces to 20-byte size */
};

#define	SYMENT	struct external_syment
#define	SYMESZ	20	
#define	AUXENT	union external_auxent
#define	AUXESZ	20

#define _ETEXT	"etext"

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

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

#define RELOC struct external_reloc
#define RELSZ 10

#define DEFAULT_DATA_SECTION_ALIGNMENT 4
#define DEFAULT_BSS_SECTION_ALIGNMENT 4
#define DEFAULT_TEXT_SECTION_ALIGNMENT 4
/* For new sections we havn't heard of before */
#define DEFAULT_SECTION_ALIGNMENT 4
Commit	Line	Data
146ef671 SS	1	/*** coff information for Sparc. */
	2
	3	/* This file is an amalgamation of several standard include files that
	4	define coff format, such as filehdr.h, aouthdr.h, and so forth. In
	5	addition, all datatypes have been translated into character arrays of
	6	(presumed) equivalent size. This is necessary so that this file can
	7	be used with different systems while still yielding the same results. */
	8
	9	/******************** FILE HEADER ********************/
	10
	11	struct external_filehdr
	12	{
	13	char f_magic[2]; /* magic number */
	14	char f_nscns[2]; /* number of sections */
	15	char f_timdat[4]; /* time & date stamp */
	16	char f_symptr[4]; /* file pointer to symtab */
	17	char f_nsyms[4]; /* number of symtab entries */
	18	char f_opthdr[2]; /* sizeof(optional hdr) */
	19	char f_flags[2]; /* flags */
	20	};
	21
	22	#define F_RELFLG (0x0001) /* relocation info stripped */
	23	#define F_EXEC (0x0002) /* file is executable */
	24	#define F_LNNO (0x0004) /* line numbers stripped */
	25	#define F_LSYMS (0x0008) /* local symbols stripped */
	26
	27	#define SPARCMAGIC (0540)
	28
	29	/* This is Lynx's all-platform magic number for executables. */
	30
	31	#define LYNXCOFFMAGIC (0415)
	32
	33	#define FILHDR struct external_filehdr
	34	#define FILHSZ sizeof(FILHDR)
	35
	36	/******************** AOUT "OPTIONAL HEADER" ********************/
	37
	38	typedef struct
	39	{
	40	char magic[2]; /* type of file */
	41	char vstamp[2]; /* version stamp */
	42	char tsize[4]; /* text size in bytes, padded to FW bdry*/
	43	char dsize[4]; /* initialized data " " */
	44	char bsize[4]; /* uninitialized data " " */
	45	char entry[4]; /* entry pt. */
	46	char text_start[4]; /* base of text used for this file */
	47	char data_start[4]; /* base of data used for this file */
	48	}
	49	AOUTHDR;
	50
	51	#define AOUTSZ (sizeof(AOUTHDR))
	52
	53	#define OMAGIC 0404 /* object files, eg as output */
	54	#define ZMAGIC 0413 /* demand load format, eg normal ld output */
	55	#define STMAGIC 0401 /* target shlib */
	56	#define SHMAGIC 0443 /* host shlib */
	57
	58	/******************** SECTION HEADER ********************/
	59
	60	struct external_scnhdr
	61	{
	62	char s_name[8]; /* section name */
	63	char s_paddr[4]; /* physical address, aliased s_nlib */
	64	char s_vaddr[4]; /* virtual address */
65	char s_size[4]; /* section size */
66	char s_scnptr[4]; /* file ptr to raw data for section */
67	char s_relptr[4]; /* file ptr to relocation */
68	char s_lnnoptr[4]; /* file ptr to line numbers */
69	char s_nreloc[2]; /* number of relocation entries */
70	char s_nlnno[2]; /* number of line number entries*/
71	char s_flags[4]; /* flags */
72	};
73
74	#define SCNHDR struct external_scnhdr
75	#define SCNHSZ sizeof(SCNHDR)
76
77	/* Names of "special" sections. */
78
79	#define _TEXT ".text"
80	#define _DATA ".data"
81	#define _BSS ".bss"
82	#define _TV ".tv"
83	#define _INIT ".init"
84	#define _FINI ".fini"
85	#define _COMMENT ".comment"
86	#define _LIB ".lib"
87
88	/******************** LINE NUMBERS ********************/
89
90	/* 1 line number entry for every "breakpointable" source line in a section.
91	Line numbers are grouped on a per function basis; first entry in a function
92	grouping will have l_lnno = 0 and in place of physical address will be the
93	symbol table index of the function name. */
94
95	struct external_lineno
96	{
97	union {
98	char l_symndx[4]; /* fn name symbol index, iff l_lnno == 0 */
99	char l_paddr[4]; /* (physical) address of line number */
100	} l_addr;
101	char l_lnno[2]; /* line number */
102	};
103
104	#define LINENO struct external_lineno
105	#define LINESZ (6)
106
107	/******************** SYMBOLS ********************/
108
109	#define E_SYMNMLEN (8) /* # characters in a symbol name */
110	#define E_FILNMLEN (14) /* # characters in a file name */
111	#define E_DIMNUM (4) /* # array dimensions in auxiliary entry */
112
113	struct external_syment
114	{
115	union {
116	char e_name[E_SYMNMLEN];
117	struct {
118	char e_zeroes[4];
119	char e_offset[4];
120	} e;
121	#if 0 /* of doubtful value */
122	char e_nptr[2][4];
123	struct {
124	char e_leading_zero[1];
125	char e_dbx_type[1];
126	char e_dbx_desc[2];
127	} e_dbx;
128	#endif
129	} e;
130
131	char e_value[4];
132	char e_scnum[2];
133	char e_type[2];
134	char e_sclass[1];
135	char e_numaux[1];
136	char padding[2];
137	};
138
139	#define N_BTMASK (0xf)
140	#define N_TMASK (0x30)
141	#define N_BTSHFT (4)
142	#define N_TSHIFT (2)
143
144	union external_auxent
145	{
146	struct {
147	char x_tagndx[4]; /* str, un, or enum tag indx */
148	union {
149	struct {
150	char x_lnno[2]; /* declaration line number */
151	char x_size[2]; /* str/union/array size */
152	} x_lnsz;
153	char x_fsize[4]; /* size of function */
154	} x_misc;
155	union {
156	struct { /* if ISFCN, tag, or .bb */
157	char x_lnnoptr[4]; /* ptr to fcn line # */
158	char x_endndx[4]; /* entry ndx past block end */
159	} x_fcn;
160	struct { /* if ISARY, up to 4 dimen. */
161	char x_dimen[E_DIMNUM][2];
162	} x_ary;
163	} x_fcnary;
164	char x_tvndx[2]; /* tv index */
165	} x_sym;
166
167	union {
168	char x_fname[E_FILNMLEN];
169	struct {
170	char x_zeroes[4];
171	char x_offset[4];
172	} x_n;
173	} x_file;
174
175	struct {
176	char x_scnlen[4]; /* section length */
177	char x_nreloc[2]; /* # relocation entries */
178	char x_nlinno[2]; /* # line numbers */
179	} x_scn;
180
181	struct {
182	char x_tvfill[4]; /* tv fill value */
183	char x_tvlen[2]; /* length of .tv */
184	char x_tvran[2][2]; /* tv range */
185	} x_tv; /* .tv section info (in auxent of sym .tv)) */
186
187	char x_fill[20]; /* forces to 20-byte size */
188	};
189
190	#define SYMENT struct external_syment
191	#define SYMESZ 20
192	#define AUXENT union external_auxent
193	#define AUXESZ 20
194
195	#define _ETEXT "etext"
196
197	/******************** RELOCATION DIRECTIVES ********************/
198
199	struct external_reloc {
200	char r_vaddr[4];
201	char r_symndx[4];
202	char r_type[2];
203	char r_spare[2];
204	char r_addend[4];
205	};
206
207	#define RELOC struct external_reloc
208	#define RELSZ 10
209
210	#define DEFAULT_DATA_SECTION_ALIGNMENT 4
211	#define DEFAULT_BSS_SECTION_ALIGNMENT 4
212	#define DEFAULT_TEXT_SECTION_ALIGNMENT 4
213	/* For new sections we havn't heard of before */
214	#define DEFAULT_SECTION_ALIGNMENT 4