[PATCH] include/linux/coff.h: remove unused things

From: Alexey Dobriyan <adobriyan@gmail.com>

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>

Index: linux-kj/include/linux/coff.h
===================================================================
--- linux-kj.orig/include/linux/coff.h	2005-10-01 02:50:09.000000000 +0400
+++ linux-kj/include/linux/coff.h	2005-10-01 03:00:15.000000000 +0400
@@ -1,351 +1,22 @@
-/* This file is derived from the GAS 2.1.4 assembler control file.
+/* This file is what's left from the GAS 2.1.4 assembler control file after
+   removing the junk kernel doesn't use.
    The GAS product is under the GNU General Public License, version 2 or later.
    As such, this file is also under that license.
 
    If the file format changes in the COFF object, this file should be
    subsequently updated to reflect the changes.
 
-   The actual loader module only uses a few of these structures. The full
-   set is documented here because I received the full set. If you wish
-   more information about COFF, then O'Reilly has a very excellent book.
+   If you wish more information about COFF, then O'Reilly has a very excellent
+   book.
 */
 
-#define  E_SYMNMLEN  8   /* Number of characters in a symbol name         */
-#define  E_FILNMLEN 14   /* Number of characters in a file name           */
-#define  E_DIMNUM    4   /* Number of array dimensions in auxiliary entry */
-
-/*
- * These defines are byte order independent. There is no alignment of fields
- * permitted in the structures. Therefore they are declared as characters
- * and the values loaded from the character positions. It also makes it
- * nice to have it "endian" independent.
- */
- 
-/* Load a short int from the following tables with little-endian formats */
-#define COFF_SHORT_L(ps) ((short)(((unsigned short)((unsigned char)ps[1])<<8)|\
-				  ((unsigned short)((unsigned char)ps[0]))))
-
-/* Load a long int from the following tables with little-endian formats */
-#define COFF_LONG_L(ps) (((long)(((unsigned long)((unsigned char)ps[3])<<24) |\
-				 ((unsigned long)((unsigned char)ps[2])<<16) |\
-				 ((unsigned long)((unsigned char)ps[1])<<8)  |\
-				 ((unsigned long)((unsigned char)ps[0])))))
- 
-/* Load a short int from the following tables with big-endian formats */
-#define COFF_SHORT_H(ps) ((short)(((unsigned short)((unsigned char)ps[0])<<8)|\
-				  ((unsigned short)((unsigned char)ps[1]))))
-
-/* Load a long int from the following tables with big-endian formats */
-#define COFF_LONG_H(ps) (((long)(((unsigned long)((unsigned char)ps[0])<<24) |\
-				 ((unsigned long)((unsigned char)ps[1])<<16) |\
-				 ((unsigned long)((unsigned char)ps[2])<<8)  |\
-				 ((unsigned long)((unsigned char)ps[3])))))
-
-/* These may be overridden later by brain dead implementations which generate
-   a big-endian header with little-endian data. In that case, generate a
-   replacement macro which tests a flag and uses either of the two above
-   as appropriate. */
-
-#define COFF_LONG(v)   COFF_LONG_L(v)
-#define COFF_SHORT(v)  COFF_SHORT_L(v)
-
 /*** coff information for Intel 386/486.  */
 
-/********************** FILE HEADER **********************/
-
-struct COFF_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  (i.e. no unresolved external
  *			references)
- *	F_LNNO		line numbers stripped from file
- *	F_LSYMS		local symbols stripped from file
- *	F_MINMAL	this is a minimal object file (".m") output of fextract
- *	F_UPDATE	this is a fully bound update file, output of ogen
- *	F_SWABD		this file has had its bytes swabbed (in names)
- *	F_AR16WR	this file has the byte ordering of an AR16WR
- *			(e.g. 11/70) machine
- *	F_AR32WR	this file has the byte ordering of an AR32WR machine
- *			(e.g. vax and iNTEL 386)
- *	F_AR32W		this file has the byte ordering of an AR32W machine
- *			(e.g. 3b,maxi)
- *	F_PATCH		file contains "patch" list in optional header
- *	F_NODF		(minimal file only) no decision functions for
- *			replaced functions
  */
 
-#define  COFF_F_RELFLG		0000001
 #define  COFF_F_EXEC		0000002
-#define  COFF_F_LNNO		0000004
-#define  COFF_F_LSYMS		0000010
-#define  COFF_F_MINMAL		0000020
-#define  COFF_F_UPDATE		0000040
-#define  COFF_F_SWABD		0000100
-#define  COFF_F_AR16WR		0000200
-#define  COFF_F_AR32WR		0000400
-#define  COFF_F_AR32W		0001000
-#define  COFF_F_PATCH		0002000
-#define  COFF_F_NODF		0002000
-
-#define	COFF_I386MAGIC	        0x14c   /* Linux's system    */
-
-#if 0   /* Perhaps, someday, these formats may be used.      */
-#define COFF_I386PTXMAGIC	0x154
-#define COFF_I386AIXMAGIC	0x175   /* IBM's AIX system  */
-#define COFF_I386BADMAG(x) ((COFF_SHORT((x).f_magic) != COFF_I386MAGIC) \
-			  && COFF_SHORT((x).f_magic) != COFF_I386PTXMAGIC \
-			  && COFF_SHORT((x).f_magic) != COFF_I386AIXMAGIC)
-#else
-#define COFF_I386BADMAG(x) (COFF_SHORT((x).f_magic) != COFF_I386MAGIC)
-#endif
-
-#define	COFF_FILHDR	struct COFF_filehdr
-#define	COFF_FILHSZ	sizeof(COFF_FILHDR)
-
-/********************** AOUT "OPTIONAL HEADER" **********************/
-
-/* Linux COFF must have this "optional" header. Standard COFF has no entry
-   location for the "entry" point. They normally would start with the first
-   location of the .text section. This is not a good idea for linux. So,
-   the use of this "optional" header is not optional. It is required.
-
-   Do not be tempted to assume that the size of the optional header is
-   a constant and simply index the next byte by the size of this structure.
-   Use the 'f_opthdr' field in the main coff header for the size of the
-   structure actually written to the file!!
-*/
-
-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       */
-}
-COFF_AOUTHDR;
-
-#define COFF_AOUTSZ (sizeof(COFF_AOUTHDR))
-
-#define COFF_STMAGIC	0401
-#define COFF_OMAGIC     0404
-#define COFF_JMAGIC     0407    /* dirty text and data image, can't share  */
-#define COFF_DMAGIC     0410    /* dirty text segment, data aligned        */
-#define COFF_ZMAGIC     0413    /* The proper magic number for executables  */
-#define COFF_SHMAGIC	0443	/* shared library header                   */
-
-/********************** SECTION HEADER **********************/
-
-struct COFF_scnhdr {
-  char		s_name[8];	/* section name			    */
-  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			    */
-};
-
-#define	COFF_SCNHDR	struct COFF_scnhdr
-#define	COFF_SCNHSZ	sizeof(COFF_SCNHDR)
-
-/*
- * names of "special" sections
- */
-
-#define COFF_TEXT	".text"
-#define COFF_DATA	".data"
-#define COFF_BSS	".bss"
-#define COFF_COMMENT    ".comment"
-#define COFF_LIB        ".lib"
-
-#define COFF_SECT_TEXT  0      /* Section for instruction code             */
-#define COFF_SECT_DATA  1      /* Section for initialized globals          */
-#define COFF_SECT_BSS   2      /* Section for un-initialized globals       */
-#define COFF_SECT_REQD  3      /* Minimum number of sections for good file */
-
-#define COFF_STYP_REG     0x00 /* regular segment                          */
-#define COFF_STYP_DSECT   0x01 /* dummy segment                            */
-#define COFF_STYP_NOLOAD  0x02 /* no-load segment                          */
-#define COFF_STYP_GROUP   0x04 /* group segment                            */
-#define COFF_STYP_PAD     0x08 /* .pad segment                             */
-#define COFF_STYP_COPY    0x10 /* copy section                             */
-#define COFF_STYP_TEXT    0x20 /* .text segment                            */
-#define COFF_STYP_DATA    0x40 /* .data segment                            */
-#define COFF_STYP_BSS     0x80 /* .bss segment                             */
-#define COFF_STYP_INFO   0x200 /* .comment section                         */
-#define COFF_STYP_OVER   0x400 /* overlay section                          */
-#define COFF_STYP_LIB    0x800 /* library section                          */
-
-/*
- * Shared libraries have the following section header in the data field for
- * each library.
- */
-
-struct COFF_slib {
-  char		sl_entsz[4];	/* Size of this entry               */
-  char		sl_pathndx[4];	/* size of the header field         */
-};
-
-#define	COFF_SLIBHD	struct COFF_slib
-#define	COFF_SLIBSZ	sizeof(COFF_SLIBHD)
-
-/********************** 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 COFF_lineno {
-  union {
-    char l_symndx[4];	/* function name symbol index, iff l_lnno == 0*/
-    char l_paddr[4];	/* (physical) address of line number	*/
-  } l_addr;
-  char l_lnno[2];	/* line number		*/
-};
-
-#define	COFF_LINENO	struct COFF_lineno
-#define	COFF_LINESZ	6
-
-/********************** SYMBOLS **********************/
-
-#define COFF_E_SYMNMLEN	 8	/* # characters in a short symbol name	*/
-#define COFF_E_FILNMLEN	14	/* # characters in a file name		*/
-#define COFF_E_DIMNUM	 4	/* # array dimensions in auxiliary entry */
-
-/*
- *  All symbols and sections have the following definition
- */
-
-struct COFF_syment 
-{
-  union {
-    char e_name[E_SYMNMLEN];    /* Symbol name (first 8 characters) */
-    struct {
-      char e_zeroes[4];         /* Leading zeros */
-      char e_offset[4];         /* Offset if this is a header section */
-    } e;
-  } e;
-
-  char e_value[4];              /* Value (address) of the segment */
-  char e_scnum[2];              /* Section number */
-  char e_type[2];               /* Type of section */
-  char e_sclass[1];             /* Loader class */
-  char e_numaux[1];             /* Number of auxiliary entries which follow */
-};
-
-#define COFF_N_BTMASK	(0xf)   /* Mask for important class bits */
-#define COFF_N_TMASK	(0x30)  /* Mask for important type bits  */
-#define COFF_N_BTSHFT	(4)     /* # bits to shift class field   */
-#define COFF_N_TSHIFT	(2)     /* # bits to shift type field    */
-
-/*
- *  Auxiliary entries because the main table is too limiting.
- */
-  
-union COFF_auxent {
-
-/*
- *  Debugger information
- */
-
-  struct {
-    char x_tagndx[4];	        /* str, un, or enum tag indx */
-    union {
-      struct {
-	char  x_lnno[2];        /* declaration line number */
-	char  x_size[2];        /* str/union/array size */
-      } x_lnsz;
-      char x_fsize[4];	        /* size of function */
-    } x_misc;
-
-    union {
-      struct {		        /* if ISFCN, tag, or .bb */
-	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. */
-	char x_dimen[E_DIMNUM][2];
-      } x_ary;
-    } x_fcnary;
-
-    char x_tvndx[2];	/* tv index */
-  } x_sym;
-
-/*
- *   Source file names (debugger information)
- */
-
-  union {
-    char x_fname[E_FILNMLEN];
-    struct {
-      char x_zeroes[4];
-      char x_offset[4];
-    } x_n;
-  } x_file;
-
-/*
- *   Section information
- */
-
-  struct {
-    char x_scnlen[4];	/* section length */
-    char x_nreloc[2];	/* # relocation entries */
-    char x_nlinno[2];	/* # line numbers */
-  } x_scn;
-
-/*
- *   Transfer vector (branch table)
- */
-  
-  struct {
-    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)) */
-};
-
-#define	COFF_SYMENT	struct COFF_syment
-#define	COFF_SYMESZ	18	
-#define	COFF_AUXENT	union COFF_auxent
-#define	COFF_AUXESZ	18
-
-#define COFF_ETEXT	"etext"
-
-/********************** RELOCATION DIRECTIVES **********************/
-
-struct COFF_reloc {
-  char r_vaddr[4];        /* Virtual address of item    */
-  char r_symndx[4];       /* Symbol index in the symtab */
-  char r_type[2];         /* Relocation type            */
-};
-
-#define COFF_RELOC struct COFF_reloc
-#define COFF_RELSZ 10
-
-#define COFF_DEF_DATA_SECTION_ALIGNMENT  4
-#define COFF_DEF_BSS_SECTION_ALIGNMENT   4
-#define COFF_DEF_TEXT_SECTION_ALIGNMENT  4
-
-/* For new sections we haven't heard of before */
-#define COFF_DEF_SECTION_ALIGNMENT       4
