| /*** coff information for 88k bcs */ |
| |
| /********************** FILE HEADER **********************/ |
| struct external_filehdr { |
| char f_magic[2]; /* magic number */ |
| char f_nscns[2]; /* number of sections */ |
| char f_timdat[4]; /* time & date stamp */ |
| char f_symptr[4]; /* file pointer to symtab */ |
| char f_nsyms[4]; /* number of symtab entries */ |
| char f_opthdr[2]; /* sizeof(optional hdr) */ |
| char f_flags[2]; /* flags */ |
| }; |
| |
| #define MC88MAGIC 0540 /* 88k BCS executable */ |
| #define MC88DMAGIC 0541 /* DG/UX executable */ |
| #define MC88OMAGIC 0555 /* Object file */ |
| |
| #define MC88BADMAG(x) (((x).f_magic!=MC88MAGIC) &&((x).f_magic!=MC88DMAGIC) && ((x).f_magic != MC88OMAGIC)) |
| |
| #define FILHDR struct external_filehdr |
| #define FILHSZ 20 |
| |
| |
| /********************** AOUT "OPTIONAL HEADER" **********************/ |
| |
| |
| #define PAGEMAGIC3 0414 /* Split i&d, zero mapped */ |
| #define PAGEMAGICBCS 0413 |
| |
| |
| typedef struct |
| { |
| char magic[2]; /* type of file */ |
| char vstamp[2]; /* version stamp */ |
| char tsize[4]; /* text size in bytes, padded to FW bdry*/ |
| char dsize[4]; /* initialized data " " */ |
| char bsize[4]; /* uninitialized data " " */ |
| char entry[4]; /* entry pt. */ |
| char text_start[4]; /* base of text used for this file */ |
| char data_start[4]; /* base of data used for this file */ |
| } |
| AOUTHDR; |
| |
| |
| /* compute size of a header */ |
| |
| #define AOUTSZ 28 |
| #define AOUTHDRSZ 28 |
| |
| |
| /********************** SECTION HEADER **********************/ |
| |
| |
| struct external_scnhdr |
| { |
| char s_name[8]; /* section name */ |
| char s_paddr[4]; /* physical address, aliased s_nlib */ |
| char s_vaddr[4]; /* virtual address */ |
| char s_size[4]; /* section size */ |
| char s_scnptr[4]; /* file ptr to raw data for section */ |
| char s_relptr[4]; /* file ptr to relocation */ |
| char s_lnnoptr[4]; /* file ptr to line numbers */ |
| char s_nreloc[4]; /* number of relocation entries */ |
| char s_nlnno[4]; /* number of line number entries*/ |
| char s_flags[4]; /* flags */ |
| }; |
| |
| |
| #define SCNHDR struct external_scnhdr |
| #define SCNHSZ 44 |
| |
| /* |
| * names of "special" sections |
| */ |
| #define _TEXT ".text" |
| #define _DATA ".data" |
| #define _BSS ".bss" |
| #define _COMMENT ".comment" |
| |
| /********************** LINE NUMBERS **********************/ |
| |
| /* 1 line number entry for every "breakpointable" source line in a section. |
| * Line numbers are grouped on a per function basis; first entry in a function |
| * grouping will have l_lnno = 0 and in place of physical address will be the |
| * symbol table index of the function name. |
| */ |
| struct external_lineno{ |
| union { |
| char l_symndx[4]; /* function name symbol index, iff l_lnno == 0*/ |
| char l_paddr[4]; /* (physical) address of line number */ |
| } l_addr; |
| |
| char l_lnno[4]; |
| |
| }; |
| |
| #define LINENO struct external_lineno |
| #define LINESZ 8 |
| |
| |
| /********************** SYMBOLS **********************/ |
| |
| #define E_SYMNMLEN 8 /* # characters in a symbol name */ |
| #define E_FILNMLEN 14 /* # characters in a file name */ |
| #define E_DIMNUM 4 /* # array dimensions in auxiliary entry */ |
| |
| struct external_syment |
| { |
| union { |
| char e_name[E_SYMNMLEN]; |
| struct { |
| char e_zeroes[4]; |
| char e_offset[4]; |
| } e; |
| } e; |
| char e_value[4]; |
| char e_scnum[2]; |
| char e_type[2]; |
| char e_sclass[1]; |
| char e_numaux[1]; |
| char pad2[2]; |
| }; |
| |
| |
| |
| |
| #define N_BTMASK 017 |
| #define N_TMASK 060 |
| #define N_BTSHFT 4 |
| #define N_TSHIFT 2 |
| |
| |
| /* Note that this isn't the same shape as other coffs */ |
| union external_auxent { |
| struct { |
| char x_tagndx[4]; /* str, un, or enum tag indx */ |
| /* 4 */ |
| union { |
| char x_fsize[4]; /* size of function */ |
| struct { |
| char x_lnno[4]; /* declaration line number */ |
| char x_size[4]; /* str/union/array size */ |
| } x_lnsz; |
| } x_misc; |
| |
| /* 12 */ |
| union { |
| struct { /* if ISFCN, tag, or .bb */ |
| char x_lnnoptr[4]; /* ptr to fcn line # */ |
| char x_endndx[4]; /* entry ndx past block end */ |
| } x_fcn; |
| struct { /* if ISARY, up to 4 dimen. */ |
| char x_dimen[E_DIMNUM][2]; |
| } x_ary; |
| } x_fcnary; |
| /* 20 */ |
| |
| } x_sym; |
| |
| union { |
| char x_fname[E_FILNMLEN]; |
| struct { |
| char x_zeroes[4]; |
| char x_offset[4]; |
| } x_n; |
| } x_file; |
| |
| struct { |
| char x_scnlen[4]; /* section length */ |
| char x_nreloc[4]; /* # relocation entries */ |
| char x_nlinno[4]; /* # line numbers */ |
| } x_scn; |
| |
| struct { |
| char x_tvfill[4]; /* tv fill value */ |
| char x_tvlen[2]; /* length of .tv */ |
| char x_tvran[2][2]; /* tv range */ |
| } x_tv; /* info about .tv section (in auxent of symbol .tv)) */ |
| |
| }; |
| |
| #define GET_FCN_LNNOPTR(abfd, ext) bfd_h_get_32(abfd, (bfd_byte *)ext->x_sym.x_fcnary.x_fcn.x_lnnoptr) |
| #define GET_FCN_ENDNDX(abfd, ext) bfd_h_get_32(abfd, (bfd_byte *) ext->x_sym.x_fcnary.x_fcn.x_endndx) |
| #define PUT_FCN_LNNOPTR(abfd, in, ext) bfd_h_put_32(abfd, in, (bfd_byte *) ext->x_sym.x_fcnary.x_fcn.x_lnnoptr) |
| #define PUT_FCN_ENDNDX(abfd, in, ext) bfd_h_put_32(abfd, in, (bfd_byte *) ext->x_sym.x_fcnary.x_fcn.x_endndx) |
| #define GET_LNSZ_SIZE(abfd, ext) bfd_h_get_32(abfd, (bfd_byte *) ext->x_sym.x_misc.x_lnsz.x_size) |
| #define GET_LNSZ_LNNO(abfd, ext) bfd_h_get_32(abfd, (bfd_byte *) ext->x_sym.x_misc.x_lnsz.x_lnno) |
| #define PUT_LNSZ_LNNO(abfd, in, ext) bfd_h_put_32(abfd, in, (bfd_byte *) ext->x_sym.x_misc.x_lnsz.x_lnno) |
| #define PUT_LNSZ_SIZE(abfd, in, ext) bfd_h_put_32(abfd, in, (bfd_byte *) ext->x_sym.x_misc.x_lnsz.x_size) |
| #define GET_SCN_SCNLEN(abfd, ext) bfd_h_get_32(abfd, (bfd_byte *) ext->x_scn.x_scnlen) |
| #define GET_SCN_NRELOC(abfd, ext) bfd_h_get_32(abfd, (bfd_byte *) ext->x_scn.x_nreloc) |
| #define GET_SCN_NLINNO(abfd, ext) bfd_h_get_32(abfd, (bfd_byte *) ext->x_scn.x_nlinno) |
| #define PUT_SCN_SCNLEN(abfd,in, ext) bfd_h_put_32(abfd, in, (bfd_byte *) ext->x_scn.x_scnlen) |
| #define PUT_SCN_NRELOC(abfd,in, ext) bfd_h_put_32(abfd, in, (bfd_byte *)ext->x_scn.x_nreloc) |
| #define PUT_SCN_NLINNO(abfd,in, ext) bfd_h_put_32(abfd,in, (bfd_byte *) ext->x_scn.x_nlinno) |
| #define GET_LINENO_LNNO(abfd, ext) bfd_h_get_32(abfd, (bfd_byte *) (ext->l_lnno)) |
| #define PUT_LINENO_LNNO(abfd,val, ext) bfd_h_put_32(abfd,val, (bfd_byte *) (ext->l_lnno)); |
| |
| |
| |
| #define SYMENT struct external_syment |
| #define SYMESZ 20 |
| #define AUXENT union external_auxent |
| #define AUXESZ 20 |
| |
| |
| /********************** RELOCATION DIRECTIVES **********************/ |
| |
| struct external_reloc { |
| char r_vaddr[4]; |
| char r_symndx[4]; |
| char r_type[2]; |
| char r_offset[2]; |
| }; |
| |
| #define RELOC struct external_reloc |
| #define RELSZ 12 |
| |
| #define NO_TVNDX |