diff options
Diffstat (limited to 'include/bcs88kcoff.h')
| -rwxr-xr-x | include/bcs88kcoff.h | 300 |
1 files changed, 0 insertions, 300 deletions
diff --git a/include/bcs88kcoff.h b/include/bcs88kcoff.h deleted file mode 100755 index bc8df2d..0000000 --- a/include/bcs88kcoff.h +++ /dev/null @@ -1,300 +0,0 @@ -/*** coff information for 88k bcs */ - -#ifndef M88 -#define M88 -#endif - -/********************** FILE HEADER **********************/ - -struct filehdr { - unsigned short f_magic; /* magic number */ - unsigned short f_nscns; /* number of sections */ - long f_timdat; /* time & date stamp */ - long f_symptr; /* file pointer to symtab */ - long f_nsyms; /* number of symtab entries */ - unsigned short f_opthdr; /* sizeof(optional hdr) */ - unsigned short f_flags; /* flags */ -}; - -/* Bits for f_flags: - * F_RELFLG relocation info stripped from file - * F_EXEC file is executable (no unresolved externel references) - * F_LNNO line nunbers stripped from file - * F_LSYMS local symbols stripped from file - * F_AR32WR file has byte ordering of an AR32WR machine (e.g. vax) - */ -#define F_RELFLG 0000001 -#define F_EXEC 0000002 -#define F_LNNO 0000004 -#define F_LSYMS 0000010 -#define F_AR32WR 0000400 - - -#define MC88MAGIC 0555 /* 88k BCS executable */ -#define MC88DMAGIC 0541 /* DG/UX executable */ - - -#define MC88BADMAG(x) (((x).f_magic!=MC88MAGIC) && ((x).f_magic!=MC88DMAGIC)) - -#define FILHDR struct filehdr -#define FILHSZ sizeof(FILHDR) - - -/********************** AOUT "OPTIONAL HEADER" **********************/ - - -#define PAGEMAGIC3 0414 /* Split i&d, zero mapped */ -typedef struct aouthdr { - short magic; /* type of file */ - short vstamp; /* version stamp */ - unsigned long tsize; /* text size in bytes, padded to FW bdry*/ - unsigned long dsize; /* initialized data " " */ - unsigned long bsize; /* uninitialized data " " */ - - unsigned long entry; /* entry pt. */ - unsigned long text_start; /* base of text used for this file */ - unsigned long data_start; /* base of data used for this file */ - -} AOUTHDR; - - -/* compute size of a header */ - -#define AOUTSZ (sizeof(AOUTHDR)) - -/********************** STORAGE CLASSES **********************/ - -#define C_EFCN -1 /* physical end of function */ -#define C_NULL 0 -#define C_AUTO 1 /* automatic variable */ -#define C_EXT 2 /* external symbol */ -#define C_STAT 3 /* static */ -#define C_REG 4 /* register variable */ -#define C_EXTDEF 5 /* external definition */ -#define C_LABEL 6 /* label */ -#define C_ULABEL 7 /* undefined label */ -#define C_MOS 8 /* member of structure */ -#define C_ARG 9 /* function argument */ -#define C_STRTAG 10 /* structure tag */ -#define C_MOU 11 /* member of union */ -#define C_UNTAG 12 /* union tag */ -#define C_TPDEF 13 /* type definition */ -#define C_USTATIC 14 /* undefined static */ -#define C_ENTAG 15 /* enumeration tag */ -#define C_MOE 16 /* member of enumeration */ -#define C_REGPARM 17 /* register parameter */ -#define C_FIELD 18 /* bit field */ -#define C_BLOCK 100 /* ".bb" or ".eb" */ -#define C_FCN 101 /* ".bf" or ".ef" */ -#define C_EOS 102 /* end of structure */ -#define C_FILE 103 /* file name */ -#define C_LINE 104 /* line # reformatted as symbol table entry */ -#define C_ALIAS 105 /* duplicate tag */ -#define C_HIDDEN 106 /* ext symbol in dmert public lib */ -#define C_SHADOW 107 /* shadow symbol */ -#define C_VERSION 108 /* coff version symbol */ - - -/********************** SECTION HEADER **********************/ - -struct scnhdr { - char s_name[8]; /* section name */ - long s_paddr; /* physical address, aliased s_nlib */ - long s_vaddr; /* virtual address */ - long s_size; /* section size */ - long s_scnptr; /* file ptr to raw data for section */ - long s_relptr; /* file ptr to relocation */ - long s_lnnoptr; /* file ptr to line numbers */ - long s_nreloc; /* number of relocation entries */ - long s_nlnno; /* number of line number entries*/ - long s_flags; /* flags */ -}; - -/* - * names of "special" sections - */ -#define _TEXT ".text" -#define _DATA ".data" -#define _BSS ".bss" - -/* - * s_flags "type" - */ -#define STYP_TEXT 0x20 /* section contains text only */ -#define STYP_DATA 0x40 /* section contains data only */ -#define STYP_BSS 0x80 /* section contains bss only */ - -#define SCNHDR struct scnhdr -#define SCNHSZ sizeof(SCNHDR) - - -/********************** 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 lineno{ - union { - long l_symndx; /* function name symbol index, iff l_lnno == 0*/ - long l_paddr; /* (physical) address of line number */ - } l_addr; - - long l_lnno; - -}; - -#define LINENO struct lineno -#define LINESZ sizeof(LINENO) - - -/********************** 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 syment { - union { - char _n_name[E_SYMNMLEN]; /* old COFF version */ - struct { - long _n_zeroes; /* new == 0 */ - long _n_offset; /* offset into string table */ - } _n_n; - char *_n_nptr[2]; /* allows for overlaying */ - } _n; - long n_value; /* value of symbol */ - short n_scnum; /* section number */ - unsigned short n_type; /* type and derived type */ - char n_sclass; /* storage class */ - char n_numaux; /* number of aux. entries */ - char pad2[2]; /* force alignment */ -}; - -#define n_name _n._n_name -#define n_zeroes _n._n_n._n_zeroes -#define n_offset _n._n_n._n_offset - -/* - * Relocatable symbols have number of the section in which they are defined, - * or one of the following: - */ -#define N_UNDEF 0 /* undefined symbol */ -#define N_ABS -1 /* value of symbol is absolute */ -#define N_DEBUG -2 /* debugging symbol -- symbol value is meaningless */ - -/* - * Type of a symbol, in low 4 bits of the word - */ -#define T_NULL 0 -#define T_VOID 1 /* function argument (only used by compiler) */ -#define T_CHAR 2 /* character */ -#define T_SHORT 3 /* short integer */ -#define T_INT 4 /* integer */ -#define T_LONG 5 /* long integer */ -#define T_FLOAT 6 /* floating point */ -#define T_DOUBLE 7 /* double word */ -#define T_STRUCT 8 /* structure */ -#define T_UNION 9 /* union */ -#define T_ENUM 10 /* enumeration */ -#define T_MOE 11 /* member of enumeration*/ -#define T_UCHAR 12 /* unsigned character */ -#define T_USHORT 13 /* unsigned short */ -#define T_UINT 14 /* unsigned integer */ -#define T_ULONG 15 /* unsigned long */ - - - -/* - * derived types - */ -#define DT_NON 0 -#define DT_PTR 1 /* pointer */ -#define DT_FCN 2 /* function */ -#define DT_ARY 3 /* array */ - -#define N_BTMASK 017 -#define N_TMASK 060 -#define N_BTSHFT 4 -#define N_TSHIFT 2 - -#define BTYPE(x) ((x) & N_BTMASK) - - -#define ISPTR(x) (((x) & N_TMASK) == (DT_PTR << N_BTSHFT)) -#define ISFCN(x) (((x) & N_TMASK) == (DT_FCN << N_BTSHFT)) -#define ISARY(x) (((x) & N_TMASK) == (DT_ARY << N_BTSHFT)) - -#define DECREF(x) ((((x)>>N_TSHIFT)&~N_BTMASK)|((x)&N_BTMASK)) - -union auxent { - struct { - long x_tagndx; /* str, un, or enum tag indx */ - union { - struct { - unsigned long x_lnno; /* declaration line number */ - unsigned long x_size; /* str/union/array size */ - } x_lnsz; - long x_fsize; /* size of function */ - } x_misc; - union { - struct { /* if ISFCN, tag, or .bb */ - long x_lnnoptr; /* ptr to fcn line # */ - long x_endndx; /* entry ndx past block end */ - } x_fcn; - struct { /* if ISARY, up to 4 dimen. */ - unsigned short x_dimen[E_DIMNUM]; - } x_ary; - } x_fcnary; - unsigned short x_tvndx; /* tv index */ - } x_sym; - - union { - char x_fname[E_FILNMLEN]; - struct { - long x_zeroes; - long x_offset; - } x_n; - } x_file; - - struct { - long x_scnlen; /* section length */ - unsigned long x_nreloc; /* # relocation entries */ - unsigned long x_nlinno; /* # line numbers */ - } x_scn; - - -}; - -#define SYMENT struct syment -#define SYMESZ sizeof(SYMENT) -#define AUXENT union auxent -#define AUXESZ sizeof(AUXENT) - - -/********************** RELOCATION DIRECTIVES **********************/ - -struct reloc { - long r_vaddr; /* Virtual address of reference */ - long r_symndx; /* Index into symbol table */ - unsigned short r_type; /* Relocation type */ - unsigned short r_offset;/* Hi 16 bits of constant */ -}; - -/* Only values of r_type GNU/88k cares about */ -#define R_PCR16L 128 -#define R_PCR26L 129 -#define R_VRT16 130 -#define R_HVRT16 131 -#define R_LVRT16 132 -#define R_VRT32 133 - - - - -#define RELOC struct reloc -#define RELSZ sizeof(RELOC) - -#define DEFAULT_SECTION_ALIGNMENT 8 /* double word */ |