[deliverable/binutils-gdb.git] / include / coff / ia64.h

/*** coff information for HP/Intel IA-64.  */


/********************** 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 IA64MAGIC	0x200

#define IA64BADMAG(x)	(((x).f_magic != IA64MAGIC))

/* 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	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	*/
#ifndef BFD64
  char 	data_start[4];		/* base of data used for this file	*/
#endif
}
AOUTHDR;

#define PE32MAGIC	0x10b	/* 32-bit image */
#define PE32PMAGIC	0x20b	/* 32-bit image inside 64-bit address space */

#define PE32PBADMAG(x) (((x).f_magic != PE32PMAGIC))

#define AOUTSZ		108
#define AOUTHDRSZ	108

#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 */


/* define some NT default values */
/*  #define NT_IMAGE_BASE        0x400000 moved to internal.h */
#define NT_SECTION_ALIGNMENT 0x1000
#define NT_FILE_ALIGNMENT    0x200
#define NT_DEF_RESERVE       0x100000
#define NT_DEF_COMMIT        0x1000

/********************** 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	40

/*
 * 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 */
		char x_checksum[4];	/* section COMDAT checksum */
		char x_associated[2];	/* COMDAT associated section index */
		char x_comdat[1];	/* COMDAT selection number */
	} 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
63fa1674 JW	1	/*** coff information for HP/Intel IA-64. */
	2
	3
	4	/******************** FILE HEADER ********************/
	5
	6	struct external_filehdr {
	7	char f_magic[2]; /* magic number */
	8	char f_nscns[2]; /* number of sections */
	9	char f_timdat[4]; /* time & date stamp */
	10	char f_symptr[4]; /* file pointer to symtab */
	11	char f_nsyms[4]; /* number of symtab entries */
	12	char f_opthdr[2]; /* sizeof(optional hdr) */
	13	char f_flags[2]; /* flags */
	14	};
	15
	16	#define IA64MAGIC 0x200
	17
	18	#define IA64BADMAG(x) (((x).f_magic != IA64MAGIC))
	19
	20	/* Bits for f_flags:
	21	* F_RELFLG relocation info stripped from file
	22	* F_EXEC file is executable (no unresolved external references)
	23	* F_LNNO line numbers stripped from file
	24	* F_LSYMS local symbols stripped from file
	25	* F_AR32WR file has byte ordering of an AR32WR machine (e.g. vax)
	26	*/
	27
	28	#define F_RELFLG (0x0001)
	29	#define F_EXEC (0x0002)
	30	#define F_LNNO (0x0004)
	31	#define F_LSYMS (0x0008)
	32
	33
	34	#define FILHDR struct external_filehdr
	35	#define FILHSZ 20
	36
	37
	38	/******************** AOUT "OPTIONAL HEADER" ********************/
	39
	40
	41	typedef struct
	42	{
	43	char magic[2]; /* type of file */
	44	char vstamp[2]; /* version stamp */
	45	char tsize[4]; /* text size in bytes, padded to FW bdry*/
	46	char dsize[4]; /* initialized data " " */
	47	char bsize[4]; /* uninitialized data " " */
	48	char entry[4]; /* entry pt. */
	49	char text_start[4]; /* base of text used for this file */
	50	#ifndef BFD64
	51	char data_start[4]; /* base of data used for this file */
	52	#endif
	53	}
	54	AOUTHDR;
	55
	56	#define PE32MAGIC 0x10b /* 32-bit image */
	57	#define PE32PMAGIC 0x20b /* 32-bit image inside 64-bit address space */
	58
	59	#define PE32PBADMAG(x) (((x).f_magic != PE32PMAGIC))
	60
	61	#define AOUTSZ 108
	62	#define AOUTHDRSZ 108
	63
	64	#define OMAGIC 0404 /* object files, eg as output */
65	#define ZMAGIC 0413 /* demand load format, eg normal ld output */
66	#define STMAGIC 0401 /* target shlib */
67	#define SHMAGIC 0443 /* host shlib */
68
69
70	/* define some NT default values */
71	/* #define NT_IMAGE_BASE 0x400000 moved to internal.h */
72	#define NT_SECTION_ALIGNMENT 0x1000
73	#define NT_FILE_ALIGNMENT 0x200
74	#define NT_DEF_RESERVE 0x100000
75	#define NT_DEF_COMMIT 0x1000
76
77	/******************** SECTION HEADER ********************/
78
79
80	struct external_scnhdr {
81	char s_name[8]; /* section name */
82	char s_paddr[4]; /* physical address, aliased s_nlib */
83	char s_vaddr[4]; /* virtual address */
84	char s_size[4]; /* section size */
85	char s_scnptr[4]; /* file ptr to raw data for section */
86	char s_relptr[4]; /* file ptr to relocation */
87	char s_lnnoptr[4]; /* file ptr to line numbers */
88	char s_nreloc[2]; /* number of relocation entries */
89	char s_nlnno[2]; /* number of line number entries*/
90	char s_flags[4]; /* flags */
91	};
92
93	#define SCNHDR struct external_scnhdr
94	#define SCNHSZ 40
95
96	/*
97	* names of "special" sections
98	*/
99	#define _TEXT ".text"
100	#define _DATA ".data"
101	#define _BSS ".bss"
102	#define _COMMENT ".comment"
103	#define _LIB ".lib"
104
105	/******************** LINE NUMBERS ********************/
106
107	/* 1 line number entry for every "breakpointable" source line in a section.
108	* Line numbers are grouped on a per function basis; first entry in a function
109	* grouping will have l_lnno = 0 and in place of physical address will be the
110	* symbol table index of the function name.
111	*/
112	struct external_lineno {
113	union {
114	char l_symndx[4]; /* function name symbol index, iff l_lnno == 0*/
115	char l_paddr[4]; /* (physical) address of line number */
116	} l_addr;
117	char l_lnno[2]; /* line number */
118	};
119
120
121	#define LINENO struct external_lineno
122	#define LINESZ 6
123
124
125	/******************** SYMBOLS ********************/
126
127	#define E_SYMNMLEN 8 /* # characters in a symbol name */
128	#define E_FILNMLEN 14 /* # characters in a file name */
129	#define E_DIMNUM 4 /* # array dimensions in auxiliary entry */
130
131	struct external_syment
132	{
133	union {
134	char e_name[E_SYMNMLEN];
135	struct {
136	char e_zeroes[4];
137	char e_offset[4];
138	} e;
139	} e;
140	char e_value[4];
141	char e_scnum[2];
142	char e_type[2];
143	char e_sclass[1];
144	char e_numaux[1];
145	};
146
147	#define N_BTMASK (0xf)
148	#define N_TMASK (0x30)
149	#define N_BTSHFT (4)
150	#define N_TSHIFT (2)
151
152	union external_auxent {
153	struct {
154	char x_tagndx[4]; /* str, un, or enum tag indx */
155	union {
156	struct {
157	char x_lnno[2]; /* declaration line number */
158	char x_size[2]; /* str/union/array size */
159	} x_lnsz;
160	char x_fsize[4]; /* size of function */
161	} x_misc;
162	union {
163	struct { /* if ISFCN, tag, or .bb */
164	char x_lnnoptr[4]; /* ptr to fcn line # */
165	char x_endndx[4]; /* entry ndx past block end */
166	} x_fcn;
167	struct { /* if ISARY, up to 4 dimen. */
168	char x_dimen[E_DIMNUM][2];
169	} x_ary;
170	} x_fcnary;
171	char x_tvndx[2]; /* tv index */
172	} x_sym;
173
174	union {
175	char x_fname[E_FILNMLEN];
176	struct {
177	char x_zeroes[4];
178	char x_offset[4];
179	} x_n;
180	} x_file;
181
182	struct {
183	char x_scnlen[4]; /* section length */
184	char x_nreloc[2]; /* # relocation entries */
185	char x_nlinno[2]; /* # line numbers */
186	char x_checksum[4]; /* section COMDAT checksum */
187	char x_associated[2]; /* COMDAT associated section index */
188	char x_comdat[1]; /* COMDAT selection number */
189	} x_scn;
190
191	struct {
192	char x_tvfill[4]; /* tv fill value */
193	char x_tvlen[2]; /* length of .tv */
194	char x_tvran[2][2]; /* tv range */
195	} x_tv; /* info about .tv section (in auxent of symbol .tv)) */
196
197
198	};
199
200	#define SYMENT struct external_syment
201	#define SYMESZ 18
202	#define AUXENT union external_auxent
203	#define AUXESZ 18
204
205
206	# define _ETEXT "etext"
207
208
209	/******************** RELOCATION DIRECTIVES ********************/
210
211
212
213	struct external_reloc {
214	char r_vaddr[4];
215	char r_symndx[4];
216	char r_type[2];
217	};
218
219
220	#define RELOC struct external_reloc
221	#define RELSZ 10
222