1 /*** coff information for the ARM */
4 /********************** FILE HEADER **********************/
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 */
17 * F_RELFLG relocation info stripped from file
18 * F_EXEC file is executable (no unresolved external references)
19 * F_LNNO line numbers stripped from file
20 * F_LSYMS local symbols stripped from file
21 * F_AR32WR file has byte ordering of an AR32WR machine (e.g. vax)
24 #define F_RELFLG (0x0001)
25 #define F_EXEC (0x0002)
26 #define F_LNNO (0x0004)
27 #define F_LSYMS (0x0008)
31 #define ARMMAGIC 0xa00 /* I just made these up */
33 #define ARMBADMAG(x) (((x).f_magic != ARMMAGIC))
35 #define FILHDR struct external_filehdr
36 #define FILHSZ sizeof(FILHDR)
39 /********************** AOUT "OPTIONAL HEADER" **********************/
44 char magic[2]; /* type of file */
45 char vstamp[2]; /* version stamp */
46 char tsize[4]; /* text size in bytes, padded to FW bdry*/
47 char dsize[4]; /* initialized data " " */
48 char bsize[4]; /* uninitialized data " " */
49 char entry[4]; /* entry pt. */
50 char text_start[4]; /* base of text used for this file */
51 char data_start[4]; /* base of data used for this file */
58 #define AOUTSZ (sizeof(AOUTHDR))
60 #define OMAGIC 0404 /* object files, eg as output */
61 #define ZMAGIC 0413 /* demand load format, eg normal ld output */
62 #define STMAGIC 0401 /* target shlib */
63 #define SHMAGIC 0443 /* host shlib */
66 /* define some NT default values */
67 /* #define NT_IMAGE_BASE 0x400000 moved to internal.h */
68 #define NT_SECTION_ALIGNMENT 0x1000
69 #define NT_FILE_ALIGNMENT 0x200
70 #define NT_DEF_RESERVE 0x100000
71 #define NT_DEF_COMMIT 0x1000
73 /********************** SECTION HEADER **********************/
76 struct external_scnhdr {
77 char s_name[8]; /* section name */
78 char s_paddr[4]; /* physical address, aliased s_nlib */
79 char s_vaddr[4]; /* virtual address */
80 char s_size[4]; /* section size */
81 char s_scnptr[4]; /* file ptr to raw data for section */
82 char s_relptr[4]; /* file ptr to relocation */
83 char s_lnnoptr[4]; /* file ptr to line numbers */
84 char s_nreloc[2]; /* number of relocation entries */
85 char s_nlnno[2]; /* number of line number entries*/
86 char s_flags[4]; /* flags */
89 #define SCNHDR struct external_scnhdr
90 #define SCNHSZ sizeof(SCNHDR)
93 * names of "special" sections
98 #define _COMMENT ".comment"
101 /********************** LINE NUMBERS **********************/
103 /* 1 line number entry for every "breakpointable" source line in a section.
104 * Line numbers are grouped on a per function basis; first entry in a function
105 * grouping will have l_lnno = 0 and in place of physical address will be the
106 * symbol table index of the function name.
108 struct external_lineno {
110 char l_symndx[4]; /* function name symbol index, iff l_lnno == 0*/
111 char l_paddr[4]; /* (physical) address of line number */
113 char l_lnno[2]; /* line number */
117 #define LINENO struct external_lineno
121 /********************** SYMBOLS **********************/
123 #define E_SYMNMLEN 8 /* # characters in a symbol name */
124 #define E_FILNMLEN 14 /* # characters in a file name */
125 #define E_DIMNUM 4 /* # array dimensions in auxiliary entry */
127 struct external_syment
130 char e_name[E_SYMNMLEN];
143 #define N_BTMASK (0xf)
144 #define N_TMASK (0x30)
148 union external_auxent {
150 char x_tagndx[4]; /* str, un, or enum tag indx */
153 char x_lnno[2]; /* declaration line number */
154 char x_size[2]; /* str/union/array size */
156 char x_fsize[4]; /* size of function */
159 struct { /* if ISFCN, tag, or .bb */
160 char x_lnnoptr[4]; /* ptr to fcn line # */
161 char x_endndx[4]; /* entry ndx past block end */
163 struct { /* if ISARY, up to 4 dimen. */
164 char x_dimen[E_DIMNUM][2];
167 char x_tvndx[2]; /* tv index */
171 char x_fname[E_FILNMLEN];
179 char x_scnlen[4]; /* section length */
180 char x_nreloc[2]; /* # relocation entries */
181 char x_nlinno[2]; /* # line numbers */
185 char x_tvfill[4]; /* tv fill value */
186 char x_tvlen[2]; /* length of .tv */
187 char x_tvran[2][2]; /* tv range */
188 } x_tv; /* info about .tv section (in auxent of symbol .tv)) */
193 #define SYMENT struct external_syment
195 #define AUXENT union external_auxent
199 # define _ETEXT "etext"
202 /********************** RELOCATION DIRECTIVES **********************/
206 struct external_reloc {
214 #define RELOC struct external_reloc
215 #define RELSZ sizeof (RELOC)