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- /********************** FILE HEADER **********************/
- struct internal_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 external references)
- * F_LNNO line numbers 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 (0x0001)
- #define F_EXEC (0x0002)
- #define F_LNNO (0x0004)
- #define F_LSYMS (0x0008)
- #define F_AR32WR (0x0010)
- #define F_AR32W 0x200
- /********************** AOUT "OPTIONAL HEADER" **********************/
- struct internal_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 */
- unsigned long tagentries; /* number of tag entries to follow */
- } ;
-
- /********************** 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_AUTOARG 19 /* auto argument */
- #define C_LASTENT 20 /* dummy entry (end of block) */
- #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 */
-
- /* New storage classes for 80960 */
-
- /* C_LEAFPROC is obsolete. Use C_LEAFEXT or C_LEAFSTAT */
- #define C_LEAFPROC 108 /* Leaf procedure, "call" via BAL */
-
- #define C_SCALL 107 /* Procedure reachable via system call */
- #define C_LEAFEXT 108 /* External leaf */
- #define C_LEAFSTAT 113 /* Static leaf */
- #define C_OPTVAR 109 /* Optimized variable */
- #define C_DEFINE 110 /* Preprocessor #define */
- #define C_PRAGMA 111 /* Advice to compiler or linker */
- #define C_SEGMENT 112 /* 80960 segment name */
-
- /********************** SECTION HEADER **********************/
- struct internal_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 */
- #ifdef M88
- unsigned long s_nreloc;
- unsigned long s_nlnno;
- #else
- unsigned short s_nreloc; /* number of relocation entries */
- unsigned short s_nlnno; /* number of line number entries*/
- #endif
- long s_flags; /* flags */
- #ifdef I960
- long s_align;
- #endif
- };
-
-
- /*
- * names of "special" sections
- */
- #define _TEXT ".text"
- #define _DATA ".data"
- #define _BSS ".bss"
-
- /*
- * s_flags "type"
- */
- #define STYP_REG (0x0000) /* "regular": allocated, relocated, loaded */
- #define STYP_DSECT (0x0001) /* "dummy": relocated only*/
- #define STYP_NOLOAD (0x0002) /* "noload": allocated, relocated, not loaded */
- #define STYP_GROUP (0x0004) /* "grouped": formed of input sections */
- #define STYP_PAD (0x0008) /* "padding": not allocated, not relocated, loaded */
- #define STYP_COPY (0x0010) /* "copy": for decision function used by field update; not allocated, not relocated,
- loaded; reloc & lineno entries processed normally */
- #define STYP_TEXT (0x0020) /* section contains text only */
- #define S_SHRSEG (0x0020) /* In 3b Update files (output of ogen), sections which appear in SHARED segments of the Pfile
- will have the S_SHRSEG flag set by ogen, to inform dufr that updating 1 copy of the proc. will
- update all process invocations. */
- #define STYP_DATA (0x0040) /* section contains data only */
- #define STYP_BSS (0x0080) /* section contains bss only */
- #define S_NEWFCN (0x0100) /* In a minimal file or an update file, a new function (as compared with a replaced function) */
- #define STYP_INFO (0x0200) /* comment: not allocated not relocated, not loaded */
- #define STYP_OVER (0x0400) /* overlay: relocated not allocated or loaded */
- #define STYP_LIB (0x0800) /* for .lib: same as INFO */
- #define STYP_MERGE (0x2000) /* merge section -- combines with text, data or bss sections only */
- #define STYP_REVERSE_PAD (0x4000) /* section will be padded with no-op instructions wherever padding is necessary and there is a
- word of contiguous bytes beginning on a word boundary. */
- /********************** 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 internal_lineno {
- union {
- long l_symndx; /* function name symbol index, iff l_lnno == 0*/
- long l_paddr; /* (physical) address of line number */
- } l_addr;
- #ifdef M88
- unsigned long l_lnno; /* line number */
- #else
- unsigned short l_lnno; /* line number */
- #endif
- };
-
-
- /********************** SYMBOLS **********************/
-
- struct internal_syment {
- union {
- char _n_name[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_flags; /* copy of flags from filhdr */
- unsigned short n_type; /* type and derived type */
- #if __STDC__
- signed
- #endif
- char n_sclass; /* storage class */
- char n_numaux; /* number of aux. entries */
- };
-
- /* Relocatable symbols have number of the section in which they are defined,
- or one of the following: */
-
- #define N_UNDEF ((short)0) /* undefined symbol */
- #define N_ABS ((short)-1) /* value of symbol is absolute */
- #define N_DEBUG ((short)-2) /* debugging symbol -- value is meaningless */
- #define N_TV ((short)-3) /* indicates symbol needs preload transfer vector */
- #define P_TV ((short)-4) /* indicates symbol needs postload transfer vector*/
-
- /*
- * Type of a symbol, in low N 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 */
- #define T_LNGDBL 16 /* long double */
-
- /*
- * derived types, in n_type
- */
- #define DT_NON (0) /* no derived type */
- #define DT_PTR (1) /* pointer */
- #define DT_FCN (2) /* function */
- #define DT_ARY (3) /* array */
-
- #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 ISTAG(x) ((x)==C_STRTAG||(x)==C_UNTAG||(x)==C_ENTAG)
- #define DECREF(x) ((((x)>>N_TSHIFT)&~N_BTMASK)|((x)&N_BTMASK))
-
-
- union internal_auxent
- {
- struct {
- union {
- long l; /* str, un, or enum tag indx */
- struct coff_ptr_struct *p;
- } x_tagndx;
-
- union {
- struct {
- unsigned short x_lnno; /* declaration line number */
- unsigned short 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 # */
- union { /* entry ndx past block end */
- long l;
- struct coff_ptr_struct *p;
-
- } x_endndx;
-
-
- } x_fcn;
- struct { /* if ISARY, up to 4 dimen. */
- unsigned short x_dimen[DIMNUM];
- } x_ary;
- } x_fcnary;
- unsigned short x_tvndx; /* tv index */
- } x_sym;
-
- union {
- char x_fname[FILNMLEN];
- struct {
- long x_zeroes;
- long x_offset;
- } x_n;
- } x_file;
-
- struct {
- long x_scnlen; /* section length */
- unsigned short x_nreloc; /* # relocation entries */
- unsigned short x_nlinno; /* # line numbers */
- } x_scn;
-
- struct {
- long x_tvfill; /* tv fill value */
- unsigned short x_tvlen; /* length of .tv */
- unsigned short x_tvran[2]; /* tv range */
- } x_tv; /* info about .tv section (in auxent of symbol .tv)) */
-
- /******************************************
- * I960-specific *2nd* aux. entry formats
- ******************************************/
- struct {
- /* This is a very old typo that keeps getting propagated. */
- #define x_stdindx x_stindx
- long x_stindx; /* sys. table entry */
- } x_sc; /* system call entry */
-
- struct {
- unsigned long x_balntry; /* BAL entry point */
- } x_bal; /* BAL-callable function */
-
- struct {
- unsigned long x_timestamp; /* time stamp */
- char x_idstring[20]; /* producer identity string */
- } x_ident; /* Producer ident info */
-
-
- };
-
- /********************** RELOCATION DIRECTIVES **********************/
-
- struct internal_reloc {
- long r_vaddr; /* Virtual address of reference */
- long r_symndx; /* Index into symbol table */
- unsigned short r_type; /* Relocation type */
- #if M88
- unsigned short r_offset;
- #endif
- };
-
- #define R_RELBYTE 017
- #define R_RELWORD 020
- #define R_PCRBYTE 022
- #define R_PCRWORD 023
- #define R_PCRLONG 024
-
- #define R_DIR32 06
- #define R_PCLONG 020
- #define R_RELBYTE 017
- #define R_RELWORD 020
-
- #define R_PCRBYTE 022
- #define R_PCRWORD 023
- #define R_PCRLONG 024
-
- #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 R_RELLONG (0x11) /* Direct 32-bit relocation */
- #define R_IPRSHORT (0x18)
- #define R_IPRMED (0x19) /* 24-bit ip-relative relocation */
- #define R_IPRLONG (0x1a)
- #define R_OPTCALL (0x1b) /* 32-bit optimizable call (leafproc/sysproc) */
- #define R_OPTCALLX (0x1c) /* 64-bit optimizable call (leafproc/sysproc) */
- #define R_GETSEG (0x1d)
- #define R_GETPA (0x1e)
- #define R_TAGWORD (0x1f)
-