/*** coff information for 80960. Origins: Intel corp, natch. */
-/* NOTE: Tagentries (cf TAGBITS) are not used by the 960 */
+/* NOTE: Tagentries (cf TAGBITS) are no longer used by the 960 */
/********************** 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 */
+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 */
};
-/* 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 OMAGIC (0407) /* old impure format. data immediately
+ follows text. both sections are rw. */
+#define NMAGIC (0410) /* split i&d, read-only text */
/*
- * Intel 80960 (I960) processor flags.
- * F_I960TYPE == mask for processor type field.
- */
+* Intel 80960 (I960) processor flags.
+* F_I960TYPE == mask for processor type field.
+*/
#define F_I960TYPE (0xf000)
#define F_I960CORE (0x1000)
#define F_I960CA (0x5000)
#define F_I960KA (0x6000)
#define F_I960SA (0x6000)
-
- /*
- * i80960 Magic Numbers
- */
+
+
+/** i80960 Magic Numbers
+*/
#define I960ROMAGIC (0x160) /* read-only text segments */
#define I960RWMAGIC (0x161) /* read-write text segments */
#define I960BADMAG(x) (((x).f_magic!=I960ROMAGIC) && ((x).f_magic!=I960RWMAGIC))
-#define FILHDR struct filehdr
-#define FILHSZ sizeof(FILHDR)
-
+#define FILHDR struct external_filehdr
+#define FILHSZ 20
/********************** AOUT "OPTIONAL HEADER" **********************/
} TAGBITS;
-/* These appear to be used only by exec(2). I don't know who cares
- about them in a cross development environment. In any case, this
- is my collection after researching the issue for a few hours.
- Apparently, most have these have remained essentially unchanged
- since v7 days, although a few new ones have been added. xoxorich.
- Could we have a little more teleology please? -- Gumby */
-#define BAD0MAGIC (0401) /* (?) "lpd (UNIX/RT)" */
-#define BAD1MAGIC (0405) /* (?) overlay */
-#define OMAGIC (0407) /* old impure format. data immediately
- follows text. both sections are rw. */
-#define NMAGIC (0410) /* split i&d, read-only text */
-#define A_MAGIC3 (0411) /* (?) "separated I&D" */
-#define ZMAGIC (0413) /* like NMAGIC, but demand loaded */
-#define PAGEMAGIC2 (0414) /* (?) like ZMAGIC, but address zero
- explicitly unmapped. */ /* */
-#define REGMAGIC (0414) /* (?) a PAGEMAGIC2 alias? */
-#define PAGEMAGIC3 (0415) /* (?) like ZMAGIC, but address zero mapped. */
-#define A_MAGIC5 (0437) /* (?) "system overlay, separated I&D" */
-#define SASMAGIC (010000) /* (?) "Single Address Space" */
-#define MASMAGIC (020000) /* (?) "Multiple (separate I/D) Addr. Spaces" */
-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 " " */
-#if U3B
- unsigned long dum1;
- unsigned long dum2; /* pad to entry point */
-#endif
- 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 */
-} AOUTHDR;
+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 */
+ char tagentries[4]; /* number of tag entries to follow */
+}
+AOUTHDR;
/* return a pointer to the tag bits array */
#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_REGARG 19 */ /* My guess - but Intel specific*/
-#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 scnhdr {
+
+struct external_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 */
- unsigned short s_nreloc; /* number of relocation entries */
- unsigned short s_nlnno; /* number of line number entries*/
- long s_flags; /* flags */
- unsigned long s_align; /* section alignment */
+ 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[2]; /* number of relocation entries */
+ char s_nlnno[2]; /* number of line number entries*/
+ char s_flags[4]; /* flags */
+ char s_align[4]; /* section alignment */
};
-/*
- * 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. */
-
-#define SCNHDR struct scnhdr
+#define SCNHDR struct external_scnhdr
#define SCNHSZ sizeof(SCNHDR)
+/*
+ * names of "special" sections
+ */
+#define _TEXT ".text"
+#define _DATA ".data"
+#define _BSS ".bss"
/********************** LINE NUMBERS **********************/
* grouping will have l_lnno = 0 and in place of physical address will be the
* symbol table index of the function name.
*/
-struct lineno {
+struct external_lineno {
union {
- long l_symndx; /* function name symbol index, iff l_lnno == 0*/
- long l_paddr; /* (physical) address of line number */
+ char l_symndx[4]; /* function name symbol index, iff l_lnno == 0*/
+ char l_paddr[4]; /* (physical) address of line number */
} l_addr;
- unsigned short l_lnno; /* line number */
+ char l_lnno[2]; /* line number */
char padding[2]; /* force alignment */
};
-#define LINENO struct lineno
-#define LINESZ sizeof(LINENO)
+#define LINENO struct external_lineno
+#define LINESZ 8
-/********************** SYMBOLS **********************/
-#define SYMNMLEN 8 /* # characters in a symbol name */
-#define FILNMLEN 14 /* # characters in a file name */
-#define DIMNUM 4 /* # array dimensions in auxiliary entry */
+/********************** SYMBOLS **********************/
-struct 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 long n_type; /* type and derived type */
- char n_sclass; /* storage class */
- char n_numaux; /* number of aux. entries */
- char pad2[2]; /* force alignment */
+#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_flags[2];
+ char e_type[4];
+ char e_sclass[1];
+ char e_numaux[1];
+ char pad2[2];
};
-#define n_name _n._n_name
-#define n_ptr _n._n_nptr[1]
-#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 ((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 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 */
-#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 N_BTMASK (0x1f)
#define N_TMASK (0x60)
#define N_BTSHFT (5)
#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 {
+union external_auxent {
struct {
- long x_tagndx; /* str, un, or enum tag indx */
+ char x_tagndx[4]; /* str, un, or enum tag indx */
union {
struct {
- unsigned short x_lnno; /* declaration line number */
- unsigned short x_size; /* str/union/array size */
+ char x_lnno[2]; /* declaration line number */
+ char x_size[2]; /* str/union/array size */
} x_lnsz;
- long x_fsize; /* size of function */
+ char x_fsize[4]; /* 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 */
+ 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. */
- unsigned short x_dimen[DIMNUM];
+ char x_dimen[E_DIMNUM][2];
} x_ary;
} x_fcnary;
- unsigned short x_tvndx; /* tv index */
+ char x_tvndx[2]; /* tv index */
} x_sym;
union {
- char x_fname[FILNMLEN];
+ char x_fname[E_FILNMLEN];
struct {
- long x_zeroes;
- long x_offset;
+ char x_zeroes[4];
+ char x_offset[4];
} x_n;
} x_file;
struct {
- long x_scnlen; /* section length */
- unsigned short x_nreloc; /* # relocation entries */
- unsigned short x_nlinno; /* # line numbers */
+ char x_scnlen[4]; /* section length */
+ char x_nreloc[2]; /* # relocation entries */
+ char x_nlinno[2]; /* # 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 */
+ 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)) */
/******************************************
* I960-specific *2nd* aux. entry formats
******************************************/
struct {
-/* This is a very old typo that keeps getting propagated. */
+ /* This is a very old typo that keeps getting propagated. */
#define x_stdindx x_stindx
- long x_stindx; /* sys. table entry */
+ char x_stindx[4]; /* sys. table entry */
} x_sc; /* system call entry */
struct {
- unsigned long x_balntry; /* BAL entry point */
+ char x_balntry[4]; /* BAL entry point */
} x_bal; /* BAL-callable function */
struct {
- unsigned long x_timestamp; /* time stamp */
+ char x_timestamp[4]; /* time stamp */
char x_idstring[20]; /* producer identity string */
} x_ident; /* Producer ident info */
- char a[sizeof(struct syment)]; /* force auxent/syment sizes to match */
};
-#define SYMENT struct syment
-#define SYMESZ sizeof(SYMENT)
-#define AUXENT union auxent
-#define AUXESZ sizeof(AUXENT)
-#if VAX || I960
+
+#define SYMENT struct external_syment
+#define SYMESZ sizeof(SYMENT) /* FIXME - calc by hand */
+#define AUXENT union external_auxent
+#define AUXESZ sizeof(AUXENT) /* FIXME - calc by hand */
+
# define _ETEXT "_etext"
-#else
-# define _ETEXT "etext"
-#endif
/********************** RELOCATION DIRECTIVES **********************/
-struct reloc {
- long r_vaddr; /* Virtual address of reference */
- long r_symndx; /* Index into symbol table */
- unsigned short r_type; /* Relocation type */
- char pad[2]; /* Unused */
+struct external_reloc {
+ char r_vaddr[4];
+ char r_symndx[4];
+ char r_type[2];
+ char pad[2];
};
+
/* Relevent values for r_type and i960. Would someone please document them */
-#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)
-
-#define RELOC struct reloc
-#define RELSZ sizeof(RELOC)
+
+#define RELOC struct external_reloc
+#define RELSZ 12
#define DEFAULT_DATA_SECTION_ALIGNMENT 4
#define DEFAULT_BSS_SECTION_ALIGNMENT 4
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