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author | Steve Chamberlain <steve@cygnus> | 1991-06-14 20:48:29 +0000 |
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committer | Steve Chamberlain <steve@cygnus> | 1991-06-14 20:48:29 +0000 |
commit | ea0170976337baa912b74c7b9b95da87ffcff212 (patch) | |
tree | 5d55a6bff3eb2e2b88c78408b4d5baaf002e4479 /include/coff-m68k.h | |
parent | 42e15245dc7ad4181b55ffd70d8360aff546b5a4 (diff) | |
download | gdb-ea0170976337baa912b74c7b9b95da87ffcff212.zip gdb-ea0170976337baa912b74c7b9b95da87ffcff212.tar.gz gdb-ea0170976337baa912b74c7b9b95da87ffcff212.tar.bz2 |
bfd.h: added alignment field
oasys.h: increased limit
*coff internal stuff factored into internallcoff.h
Diffstat (limited to 'include/coff-m68k.h')
-rwxr-xr-x | include/coff-m68k.h | 264 |
1 files changed, 4 insertions, 260 deletions
diff --git a/include/coff-m68k.h b/include/coff-m68k.h index 06c6912..f6a58f7 100755 --- a/include/coff-m68k.h +++ b/include/coff-m68k.h @@ -1,6 +1,5 @@ /*** coff information for M68K */ - /********************** FILE HEADER **********************/ struct external_filehdr { @@ -13,32 +12,8 @@ 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 @@ -57,21 +32,6 @@ struct internal_filehdr /********************** 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 @@ -91,52 +51,9 @@ 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 */ @@ -158,29 +75,6 @@ struct external_scnhdr { #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) @@ -201,13 +95,6 @@ struct external_lineno { 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) @@ -235,80 +122,13 @@ struct external_syment 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 { @@ -354,68 +174,6 @@ union external_auxent { }; -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 SYMESZ 18 @@ -423,17 +181,9 @@ union internal_auxent { #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]; @@ -441,12 +191,6 @@ struct external_reloc { 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 |