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
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 */
62 /* FIXME: What are the a.out magic numbers? */
64 /********************** SECTION HEADER **********************/
67 struct external_scnhdr {
68 char s_name[8]; /* section name */
69 char s_paddr[4]; /* physical address, aliased s_nlib */
70 char s_vaddr[4]; /* virtual address */
71 char s_size[4]; /* section size */
72 char s_scnptr[4]; /* file ptr to raw data for section */
73 char s_relptr[4]; /* file ptr to relocation */
74 char s_lnnoptr[4]; /* file ptr to line numbers */
75 char s_nreloc[2]; /* number of relocation entries */
76 char s_nlnno[2]; /* number of line number entries*/
77 char s_flags[4]; /* flags */
80 #define SCNHDR struct external_scnhdr
84 * names of "special" sections
89 #define _COMMENT ".comment"
92 /********************** LINE NUMBERS **********************/
94 /* 1 line number entry for every "breakpointable" source line in a section.
95 * Line numbers are grouped on a per function basis; first entry in a function
96 * grouping will have l_lnno = 0 and in place of physical address will be the
97 * symbol table index of the function name.
99 struct external_lineno {
101 char l_symndx[4]; /* function name symbol index, iff l_lnno == 0*/
102 char l_paddr[4]; /* (physical) address of line number */
104 char l_lnno[2]; /* line number */
108 #define LINENO struct external_lineno
112 /********************** SYMBOLS **********************/
114 #define E_SYMNMLEN 8 /* # characters in a symbol name */
115 #define E_FILNMLEN 14 /* # characters in a file name */
116 #define E_DIMNUM 4 /* # array dimensions in auxiliary entry */
118 struct external_syment
121 char e_name[E_SYMNMLEN];
134 #define N_BTMASK (0xf)
135 #define N_TMASK (0x30)
139 union external_auxent {
141 char x_tagndx[4]; /* str, un, or enum tag indx */
144 char x_lnno[2]; /* declaration line number */
145 char x_size[2]; /* str/union/array size */
147 char x_fsize[4]; /* size of function */
150 struct { /* if ISFCN, tag, or .bb */
151 char x_lnnoptr[4]; /* ptr to fcn line # */
152 char x_endndx[4]; /* entry ndx past block end */
154 struct { /* if ISARY, up to 4 dimen. */
155 char x_dimen[E_DIMNUM][2];
158 char x_tvndx[2]; /* tv index */
162 char x_fname[E_FILNMLEN];
170 char x_scnlen[4]; /* section length */
171 char x_nreloc[2]; /* # relocation entries */
172 char x_nlinno[2]; /* # line numbers */
176 char x_tvfill[4]; /* tv fill value */
177 char x_tvlen[2]; /* length of .tv */
178 char x_tvran[2][2]; /* tv range */
179 } x_tv; /* info about .tv section (in auxent of symbol .tv)) */
184 #define SYMENT struct external_syment
186 #define AUXENT union external_auxent
190 # define _ETEXT "etext"
193 /********************** RELOCATION DIRECTIVES **********************/
197 struct external_reloc {
204 #define RELOC struct external_reloc