1 /* This file was hacked from i386.h [dolan@ssd.intel.com] */
3 /*** coff information for Intel 860. */
6 /********************** FILE HEADER **********************/
8 struct external_filehdr
{
9 char f_magic
[2]; /* magic number */
10 char f_nscns
[2]; /* number of sections */
11 char f_timdat
[4]; /* time & date stamp */
12 char f_symptr
[4]; /* file pointer to symtab */
13 char f_nsyms
[4]; /* number of symtab entries */
14 char f_opthdr
[2]; /* sizeof(optional hdr) */
15 char f_flags
[2]; /* flags */
20 * F_RELFLG relocation info stripped from file
21 * F_EXEC file is executable (no unresolved external references)
22 * F_LNNO line numbers stripped from file
23 * F_LSYMS local symbols stripped from file
24 * F_AR32WR file has byte ordering of an AR32WR machine (e.g. vax)
27 #define F_RELFLG (0x0001)
28 #define F_EXEC (0x0002)
29 #define F_LNNO (0x0004)
30 #define F_LSYMS (0x0008)
34 #define I860MAGIC 0x14d
36 #define I860BADMAG(x) ((x).f_magic != I860MAGIC)
38 #define FILHDR struct external_filehdr
39 #define FILHSZ sizeof(FILHDR)
42 /********************** AOUT "OPTIONAL HEADER" **********************/
47 char magic
[2]; /* type of file */
48 char vstamp
[2]; /* version stamp */
49 char tsize
[4]; /* text size in bytes, padded to FW bdry*/
50 char dsize
[4]; /* initialized data " " */
51 char bsize
[4]; /* uninitialized data " " */
52 char entry
[4]; /* entry pt. */
53 char text_start
[4]; /* base of text used for this file */
54 char data_start
[4]; /* base of data used for this file */
59 #define AOUTSZ (sizeof(AOUTHDR))
61 /* FIXME: What are the a.out magic numbers? */
63 /********************** SECTION HEADER **********************/
66 struct external_scnhdr
{
67 char s_name
[8]; /* section name */
68 char s_paddr
[4]; /* physical address, aliased s_nlib */
69 char s_vaddr
[4]; /* virtual address */
70 char s_size
[4]; /* section size */
71 char s_scnptr
[4]; /* file ptr to raw data for section */
72 char s_relptr
[4]; /* file ptr to relocation */
73 char s_lnnoptr
[4]; /* file ptr to line numbers */
74 char s_nreloc
[2]; /* number of relocation entries */
75 char s_nlnno
[2]; /* number of line number entries*/
76 char s_flags
[4]; /* flags */
79 #define SCNHDR struct external_scnhdr
80 #define SCNHSZ sizeof(SCNHDR)
83 * names of "special" sections
88 #define _COMMENT ".comment"
91 /********************** LINE NUMBERS **********************/
93 /* 1 line number entry for every "breakpointable" source line in a section.
94 * Line numbers are grouped on a per function basis; first entry in a function
95 * grouping will have l_lnno = 0 and in place of physical address will be the
96 * symbol table index of the function name.
98 struct external_lineno
{
100 char l_symndx
[4]; /* function name symbol index, iff l_lnno == 0*/
101 char l_paddr
[4]; /* (physical) address of line number */
103 char l_lnno
[2]; /* line number */
107 #define LINENO struct external_lineno
111 /********************** SYMBOLS **********************/
113 #define E_SYMNMLEN 8 /* # characters in a symbol name */
114 #define E_FILNMLEN 14 /* # characters in a file name */
115 #define E_DIMNUM 4 /* # array dimensions in auxiliary entry */
117 struct external_syment
120 char e_name
[E_SYMNMLEN
];
133 #define N_BTMASK (0xf)
134 #define N_TMASK (0x30)
138 union external_auxent
{
140 char x_tagndx
[4]; /* str, un, or enum tag indx */
143 char x_lnno
[2]; /* declaration line number */
144 char x_size
[2]; /* str/union/array size */
146 char x_fsize
[4]; /* size of function */
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 */
153 struct { /* if ISARY, up to 4 dimen. */
154 char x_dimen
[E_DIMNUM
][2];
157 char x_tvndx
[2]; /* tv index */
161 char x_fname
[E_FILNMLEN
];
169 char x_scnlen
[4]; /* section length */
170 char x_nreloc
[2]; /* # relocation entries */
171 char x_nlinno
[2]; /* # line numbers */
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)) */
183 #define SYMENT struct external_syment
185 #define AUXENT union external_auxent
189 # define _ETEXT "etext"
192 /********************** RELOCATION DIRECTIVES **********************/
196 struct external_reloc
{
203 #define RELOC struct external_reloc