/*** coff information for M68K */
-
/********************** FILE HEADER **********************/
struct external_filehdr {
char f_flags[2]; /* flags */
};
-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)
- /* Motorola 68000/68008/68010/68020 */
+/* Motorola 68000/68008/68010/68020 */
#define MC68MAGIC 0520
#define MC68KWRMAGIC 0520 /* writeable text segments */
#define MC68TVMAGIC 0521
/********************** 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 " " */
-#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 */
-} ;
typedef struct
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;
#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_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 */
/********************** 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 */
- unsigned short s_nreloc; /* number of relocation entries */
- unsigned short s_nlnno; /* number of line number entries*/
- long s_flags; /* flags */
-};
struct external_scnhdr {
char s_name[8]; /* section name */
#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 external_scnhdr
#define SCNHSZ sizeof(SCNHDR)
char l_lnno[2]; /* line number */
};
-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;
- unsigned short l_lnno; /* line number */
-};
#define LINENO struct external_lineno
#define LINESZ sizeof(LINENO)
/********************** 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 */
+#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[SYMNMLEN];
+ char e_name[E_SYMNMLEN];
struct {
char e_zeroes[4];
char e_offset[4];
char e_numaux[1];
};
-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 */
- char n_sclass; /* storage class */
- char n_numaux; /* number of aux. entries */
-};
-
-/*#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_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 external_auxent {
struct {
char x_endndx[4]; /* entry ndx past block end */
} x_fcn;
struct { /* if ISARY, up to 4 dimen. */
- char x_dimen[DIMNUM][2];
+ char x_dimen[E_DIMNUM][2];
} x_ary;
} x_fcnary;
char x_tvndx[2]; /* tv index */
} x_sym;
union {
- char x_fname[FILNMLEN];
+ char x_fname[E_FILNMLEN];
struct {
char x_zeroes[4];
char x_offset[4];
} x_tv; /* info about .tv section (in auxent of symbol .tv)) */
-};
-union internal_auxent {
- struct {
- long x_tagndx; /* str, un, or enum tag indx */
- 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 # */
- long x_endndx; /* entry ndx past block end */
- } 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 */
-
-
};
#define SYMENT struct external_syment
#define AUXESZ 18
-# define _ETEXT "etext"
-
/********************** 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 */
-};
-
struct external_reloc {
char r_vaddr[4];
char r_type[2];
};
-#define R_RELBYTE 017
-#define R_RELWORD 020
-#define R_RELLONG 021
-#define R_PCRBYTE 022
-#define R_PCRWORD 023
-#define R_PCRLONG 024
#define RELOC struct external_reloc
#define RELSZ 10
projects / binutils.git / blobdiff