| | 1 | /*** coff information for 88k bcs */ |
| | 2 | |
| | 3 | /********************** FILE HEADER **********************/ |
| | 4 | struct external_filehdr { |
| | 5 | char f_magic[2]; /* magic number */ |
| | 6 | char f_nscns[2]; /* number of sections */ |
| | 7 | char f_timdat[4]; /* time & date stamp */ |
| | 8 | char f_symptr[4]; /* file pointer to symtab */ |
| | 9 | char f_nsyms[4]; /* number of symtab entries */ |
| | 10 | char f_opthdr[2]; /* sizeof(optional hdr) */ |
| | 11 | char f_flags[2]; /* flags */ |
| | 12 | }; |
| | 13 | |
| | 14 | #define MC88MAGIC 0540 /* 88k BCS executable */ |
| | 15 | #define MC88DMAGIC 0541 /* DG/UX executable */ |
| | 16 | #define MC88OMAGIC 0555 /* Object file */ |
| | 17 | |
| | 18 | #define MC88BADMAG(x) (((x).f_magic!=MC88MAGIC) &&((x).f_magic!=MC88DMAGIC) && ((x).f_magic != MC88OMAGIC)) |
| | 19 | |
| | 20 | #define FILHDR struct external_filehdr |
| | 21 | #define FILHSZ sizeof(FILHDR) |
| | 22 | |
| | 23 | |
| | 24 | /********************** AOUT "OPTIONAL HEADER" **********************/ |
| | 25 | |
| | 26 | |
| | 27 | #define PAGEMAGIC3 0414 /* Split i&d, zero mapped */ |
| | 28 | #define PAGEMAGICBCS 0413 |
| | 29 | |
| | 30 | |
| | 31 | typedef struct |
| | 32 | { |
| | 33 | char magic[2]; /* type of file */ |
| | 34 | char vstamp[2]; /* version stamp */ |
| | 35 | char tsize[4]; /* text size in bytes, padded to FW bdry*/ |
| | 36 | char dsize[4]; /* initialized data " " */ |
| | 37 | char bsize[4]; /* uninitialized data " " */ |
| | 38 | char entry[4]; /* entry pt. */ |
| | 39 | char text_start[4]; /* base of text used for this file */ |
| | 40 | char data_start[4]; /* base of data used for this file */ |
| | 41 | } |
| | 42 | AOUTHDR; |
| | 43 | |
| | 44 | |
| | 45 | /* compute size of a header */ |
| | 46 | |
| | 47 | #define AOUTSZ (sizeof(AOUTHDR)) |
| | 48 | |
| | 49 | /********************** STORAGE CLASSES **********************/ |
| | 50 | |
| | 51 | #define C_EFCN -1 /* physical end of function */ |
| | 52 | #define C_NULL 0 |
| | 53 | #define C_AUTO 1 /* automatic variable */ |
| | 54 | #define C_EXT 2 /* external symbol */ |
| | 55 | #define C_STAT 3 /* static */ |
| | 56 | #define C_REG 4 /* register variable */ |
| | 57 | #define C_EXTDEF 5 /* external definition */ |
| | 58 | #define C_LABEL 6 /* label */ |
| | 59 | #define C_ULABEL 7 /* undefined label */ |
| | 60 | #define C_MOS 8 /* member of structure */ |
| | 61 | #define C_ARG 9 /* function argument */ |
| | 62 | #define C_STRTAG 10 /* structure tag */ |
| | 63 | #define C_MOU 11 /* member of union */ |
| | 64 | #define C_UNTAG 12 /* union tag */ |
| | 65 | #define C_TPDEF 13 /* type definition */ |
| | 66 | #define C_USTATIC 14 /* undefined static */ |
| | 67 | #define C_ENTAG 15 /* enumeration tag */ |
| | 68 | #define C_MOE 16 /* member of enumeration */ |
| | 69 | #define C_REGPARM 17 /* register parameter */ |
| | 70 | #define C_FIELD 18 /* bit field */ |
| | 71 | #define C_BLOCK 100 /* ".bb" or ".eb" */ |
| | 72 | #define C_FCN 101 /* ".bf" or ".ef" */ |
| | 73 | #define C_EOS 102 /* end of structure */ |
| | 74 | #define C_FILE 103 /* file name */ |
| | 75 | #define C_LINE 104 /* line # reformatted as symbol table entry */ |
| | 76 | #define C_ALIAS 105 /* duplicate tag */ |
| | 77 | #define C_HIDDEN 106 /* ext symbol in dmert public lib */ |
| | 78 | #define C_SHADOW 107 /* shadow symbol */ |
| | 79 | #define C_VERSION 108 /* coff version symbol */ |
| | 80 | |
| | 81 | |
| | 82 | /********************** SECTION HEADER **********************/ |
| | 83 | |
| | 84 | |
| | 85 | struct external_scnhdr |
| | 86 | { |
| | 87 | char s_name[8]; /* section name */ |
| | 88 | char s_paddr[4]; /* physical address, aliased s_nlib */ |
| | 89 | char s_vaddr[4]; /* virtual address */ |
| | 90 | char s_size[4]; /* section size */ |
| | 91 | char s_scnptr[4]; /* file ptr to raw data for section */ |
| | 92 | char s_relptr[4]; /* file ptr to relocation */ |
| | 93 | char s_lnnoptr[4]; /* file ptr to line numbers */ |
| | 94 | char s_nreloc[4]; /* number of relocation entries */ |
| | 95 | char s_nlnno[4]; /* number of line number entries*/ |
| | 96 | char s_flags[4]; /* flags */ |
| | 97 | }; |
| | 98 | |
| | 99 | |
| | 100 | #define SCNHDR struct external_scnhdr |
| | 101 | #define SCNHSZ sizeof(SCNHDR) |
| | 102 | |
| | 103 | /* |
| | 104 | * names of "special" sections |
| | 105 | */ |
| | 106 | #define _TEXT ".text" |
| | 107 | #define _DATA ".data" |
| | 108 | #define _BSS ".bss" |
| | 109 | |
| | 110 | /********************** LINE NUMBERS **********************/ |
| | 111 | |
| | 112 | /* 1 line number entry for every "breakpointable" source line in a section. |
| | 113 | * Line numbers are grouped on a per function basis; first entry in a function |
| | 114 | * grouping will have l_lnno = 0 and in place of physical address will be the |
| | 115 | * symbol table index of the function name. |
| | 116 | */ |
| | 117 | struct external_lineno{ |
| | 118 | union { |
| | 119 | char l_symndx[4]; /* function name symbol index, iff l_lnno == 0*/ |
| | 120 | char l_paddr[4]; /* (physical) address of line number */ |
| | 121 | } l_addr; |
| | 122 | |
| | 123 | char l_lnno[4]; |
| | 124 | |
| | 125 | }; |
| | 126 | |
| | 127 | #define LINENO struct external_lineno |
| | 128 | #define LINESZ 8 |
| | 129 | |
| | 130 | |
| | 131 | /********************** SYMBOLS **********************/ |
| | 132 | |
| | 133 | #define E_SYMNMLEN 8 /* # characters in a symbol name */ |
| | 134 | #define E_FILNMLEN 14 /* # characters in a file name */ |
| | 135 | #define E_DIMNUM 4 /* # array dimensions in auxiliary entry */ |
| | 136 | |
| | 137 | struct external_syment |
| | 138 | { |
| | 139 | union { |
| | 140 | char e_name[E_SYMNMLEN]; |
| | 141 | struct { |
| | 142 | char e_zeroes[4]; |
| | 143 | char e_offset[4]; |
| | 144 | } e; |
| | 145 | } e; |
| | 146 | char e_value[4]; |
| | 147 | char e_scnum[2]; |
| | 148 | char e_type[2]; |
| | 149 | char e_sclass[1]; |
| | 150 | char e_numaux[1]; |
| | 151 | char pad2[2]; |
| | 152 | }; |
| | 153 | |
| | 154 | |
| | 155 | |
| | 156 | |
| | 157 | #define N_BTMASK 017 |
| | 158 | #define N_TMASK 060 |
| | 159 | #define N_BTSHFT 4 |
| | 160 | #define N_TSHIFT 2 |
| | 161 | |
| | 162 | |
| | 163 | /* Note that this isn't the same shape as other coffs */ |
| | 164 | union external_auxent { |
| | 165 | struct { |
| | 166 | char x_tagndx[4]; /* str, un, or enum tag indx */ |
| | 167 | /* 4 */ |
| | 168 | union { |
| | 169 | char x_fsize[4]; /* size of function */ |
| | 170 | struct { |
| | 171 | char x_lnno[4]; /* declaration line number */ |
| | 172 | char x_size[4]; /* str/union/array size */ |
| | 173 | } x_lnsz; |
| | 174 | } x_misc; |
| | 175 | struct { /* if ISFCN, tag, or .bb */ |
| | 176 | char x_lnnoptr[4]; /* ptr to fcn line # */ |
| | 177 | char x_endndx[4]; /* entry ndx past block end */ |
| | 178 | } x_fcn; |
| | 179 | |
| | 180 | /* 12 */ |
| | 181 | union { |
| | 182 | struct { /* if ISARY, up to 4 dimen. */ |
| | 183 | char x_dimen[E_DIMNUM][2]; |
| | 184 | } x_ary; |
| | 185 | } x_fcnary; |
| | 186 | /* 20 */ |
| | 187 | |
| | 188 | } x_sym; |
| | 189 | |
| | 190 | union { |
| | 191 | char x_fname[E_FILNMLEN]; |
| | 192 | struct { |
| | 193 | char x_zeroes[4]; |
| | 194 | char x_offset[4]; |
| | 195 | } x_n; |
| | 196 | } x_file; |
| | 197 | |
| | 198 | struct { |
| | 199 | char x_scnlen[4]; /* section length */ |
| | 200 | char x_nreloc[4]; /* # relocation entries */ |
| | 201 | char x_nlinno[4]; /* # line numbers */ |
| | 202 | } x_scn; |
| | 203 | |
| | 204 | struct { |
| | 205 | char x_tvfill[4]; /* tv fill value */ |
| | 206 | char x_tvlen[2]; /* length of .tv */ |
| | 207 | char x_tvran[2][2]; /* tv range */ |
| | 208 | } x_tv; /* info about .tv section (in auxent of symbol .tv)) */ |
| | 209 | |
| | 210 | }; |
| | 211 | |
| | 212 | #define GET_FCN_LNNOPTR(abfd, ext) bfd_h_get_32(abfd, (bfd_byte *)ext->x_sym.x_fcn.x_lnnoptr) |
| | 213 | #define GET_FCN_ENDNDX(abfd, ext) bfd_h_get_32(abfd, (bfd_byte *) ext->x_sym.x_fcn.x_endndx) |
| | 214 | #define PUT_FCN_LNNOPTR(abfd, in, ext) bfd_h_put_32(abfd, in, (bfd_byte *) ext->x_sym.x_fcn.x_lnnoptr) |
| | 215 | #define PUT_FCN_ENDNDX(abfd, in, ext) bfd_h_put_32(abfd, in, (bfd_byte *) ext->x_sym.x_fcn.x_endndx) |
| | 216 | #define GET_LNSZ_SIZE(abfd, ext) bfd_h_get_32(abfd, (bfd_byte *) ext->x_sym.x_misc.x_lnsz.x_size) |
| | 217 | #define GET_LNSZ_LNNO(abfd, ext) bfd_h_get_32(abfd, (bfd_byte *) ext->x_sym.x_misc.x_lnsz.x_lnno) |
| | 218 | #define PUT_LNSZ_LNNO(abfd, in, ext) bfd_h_put_32(abfd, in, (bfd_byte *) ext->x_sym.x_misc.x_lnsz.x_lnno) |
| | 219 | #define PUT_LNSZ_SIZE(abfd, in, ext) bfd_h_put_32(abfd, in, (bfd_byte *) ext->x_sym.x_misc.x_lnsz.x_size) |
| | 220 | #define GET_SCN_SCNLEN(abfd, ext) bfd_h_get_32(abfd, (bfd_byte *) ext->x_scn.x_scnlen) |
| | 221 | #define GET_SCN_NRELOC(abfd, ext) bfd_h_get_32(abfd, (bfd_byte *) ext->x_scn.x_nreloc) |
| | 222 | #define GET_SCN_NLINNO(abfd, ext) bfd_h_get_32(abfd, (bfd_byte *) ext->x_scn.x_nlinno) |
| | 223 | #define PUT_SCN_SCNLEN(abfd,in, ext) bfd_h_put_32(abfd, in, (bfd_byte *) ext->x_scn.x_scnlen) |
| | 224 | #define PUT_SCN_NRELOC(abfd,in, ext) bfd_h_put_32(abfd, in, (bfd_byte *)ext->x_scn.x_nreloc) |
| | 225 | #define PUT_SCN_NLINNO(abfd,in, ext) bfd_h_put_32(abfd,in, (bfd_byte *) ext->x_scn.x_nlinno) |
| | 226 | #define GET_LINENO_LNNO(abfd, ext) bfd_h_get_32(abfd, (bfd_byte *) (ext->l_lnno)) |
| | 227 | #define PUT_LINENO_LNNO(abfd,val, ext) bfd_h_put_32(abfd,val, (bfd_byte *) (ext->l_lnno)); |
| | 228 | |
| | 229 | |
| | 230 | |
| | 231 | #define SYMENT struct external_syment |
| | 232 | #define SYMESZ 20 |
| | 233 | #define AUXENT union external_auxent |
| | 234 | #define AUXESZ 20 |
| | 235 | |
| | 236 | |
| | 237 | /********************** RELOCATION DIRECTIVES **********************/ |
| | 238 | |
| | 239 | struct external_reloc { |
| | 240 | char r_vaddr[4]; |
| | 241 | char r_symndx[4]; |
| | 242 | char r_type[2]; |
| | 243 | char r_offset[2]; |
| | 244 | }; |
| | 245 | |
| | 246 | #define RELOC struct external_reloc |
| | 247 | #define RELSZ 12 |
| | 248 | |
| | 249 | #define DEFAULT_SECTION_ALIGNMENT 8 /* double word */ |
| | 250 | |
| | 251 | #define NO_TVNDX |
projects / binutils.git / blame_incremental