1 /*** coff information for WDC 65816 */
3 /********************** FILE HEADER **********************/
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 */
17 #define W65MAGIC 0x6500
20 #define W65BADMAG(x) (((x).f_magic!=W65MAGIC))
22 #define FILHDR struct external_filehdr
23 #define FILHSZ sizeof(FILHDR)
26 /********************** AOUT "OPTIONAL HEADER" **********************/
31 char magic
[2]; /* type of file */
32 char vstamp
[2]; /* version stamp */
33 char tsize
[4]; /* text size in bytes, padded to FW bdry*/
34 char dsize
[4]; /* initialized data " " */
35 char bsize
[4]; /* uninitialized data " " */
36 char entry
[4]; /* entry pt. */
37 char text_start
[4]; /* base of text used for this file */
38 char data_start
[4]; /* base of data used for this file */
43 #define AOUTHDRSZ (sizeof(AOUTHDR))
44 #define AOUTSZ (sizeof(AOUTHDR))
49 /********************** SECTION HEADER **********************/
52 struct external_scnhdr
{
53 char s_name
[8]; /* section name */
54 char s_paddr
[4]; /* physical address, aliased s_nlib */
55 char s_vaddr
[4]; /* virtual address */
56 char s_size
[4]; /* section size */
57 char s_scnptr
[4]; /* file ptr to raw data for section */
58 char s_relptr
[4]; /* file ptr to relocation */
59 char s_lnnoptr
[4]; /* file ptr to line numbers */
60 char s_nreloc
[2]; /* number of relocation entries */
61 char s_nlnno
[2]; /* number of line number entries*/
62 char s_flags
[4]; /* flags */
66 * names of "special" sections
73 #define SCNHDR struct external_scnhdr
74 #define SCNHSZ sizeof(SCNHDR)
77 /********************** LINE NUMBERS **********************/
79 /* 1 line number entry for every "breakpointable" source line in a section.
80 * Line numbers are grouped on a per function basis; first entry in a function
81 * grouping will have l_lnno = 0 and in place of physical address will be the
82 * symbol table index of the function name.
84 struct external_lineno
{
86 char l_symndx
[4]; /* function name symbol index, iff l_lnno == 0*/
87 char l_paddr
[4]; /* (physical) address of line number */
89 char l_lnno
[4]; /* line number */
92 #define GET_LINENO_LNNO(abfd, ext) bfd_h_get_32(abfd, (bfd_byte *) (ext->l_lnno));
93 #define PUT_LINENO_LNNO(abfd,val, ext) bfd_h_put_32(abfd,val, (bfd_byte *) (ext->l_lnno));
95 #define LINENO struct external_lineno
96 #define LINESZ sizeof(LINENO)
99 /********************** SYMBOLS **********************/
101 #define E_SYMNMLEN 8 /* # characters in a symbol name */
102 #define E_FILNMLEN 14 /* # characters in a file name */
103 #define E_DIMNUM 4 /* # array dimensions in auxiliary entry */
105 struct external_syment
108 char e_name
[E_SYMNMLEN
];
123 #define N_BTMASK (017)
124 #define N_TMASK (060)
129 union external_auxent
{
131 char x_tagndx
[4]; /* str, un, or enum tag indx */
134 char x_lnno
[2]; /* declaration line number */
135 char x_size
[2]; /* str/union/array size */
137 char x_fsize
[4]; /* size of function */
140 struct { /* if ISFCN, tag, or .bb */
141 char x_lnnoptr
[4]; /* ptr to fcn line # */
142 char x_endndx
[4]; /* entry ndx past block end */
144 struct { /* if ISARY, up to 4 dimen. */
145 char x_dimen
[E_DIMNUM
][2];
148 char x_tvndx
[2]; /* tv index */
152 char x_fname
[E_FILNMLEN
];
160 char x_scnlen
[4]; /* section length */
161 char x_nreloc
[2]; /* # relocation entries */
162 char x_nlinno
[2]; /* # line numbers */
166 char x_tvfill
[4]; /* tv fill value */
167 char x_tvlen
[2]; /* length of .tv */
168 char x_tvran
[2][2]; /* tv range */
169 } x_tv
; /* info about .tv section (in auxent of symbol .tv)) */
174 #define SYMENT struct external_syment
176 #define AUXENT union external_auxent
181 /********************** RELOCATION DIRECTIVES **********************/
183 /* The external reloc has an offset field, because some of the reloc
184 types on the w65 don't have room in the instruction for the entire
185 offset - eg the strange jump and high page addressing modes */
187 struct external_reloc
{
196 #define RELOC struct external_reloc