uapi/linux/coff.h

2 /* This file is derived from the GAS 2.1.4 assembler control file.
9    The actual loader module only uses a few of these structures. The full
11    more information about COFF, then O'Reilly has a very excellent book.
17 #define  E_SYMNMLEN  8   /* Number of characters in a symbol name         */
18 #define  E_FILNMLEN 14   /* Number of characters in a file name           */
19 #define  E_DIMNUM    4   /* Number of array dimensions in auxiliary entry */
28 /* Load a short int from the following tables with little-endian formats */
32 /* Load a long int from the following tables with little-endian formats */
38 /* Load a short int from the following tables with big-endian formats */
42 /* Load a long int from the following tables with big-endian formats */
49    a big-endian header with little-endian data. In that case, generate a
50    replacement macro which tests a flag and uses either of the two above
63 	char f_timdat[4];	/* time & date stamp		*/
64 	char f_symptr[4];	/* file pointer to symtab	*/
65 	char f_nsyms[4];	/* number of symtab entries	*/
78  *	F_MINMAL	this is a minimal object file (".m") output of fextract
79  *	F_UPDATE	this is a fully bound update file, output of ogen
124    location of the .text section. This is not a good idea for linux. So,
128    a constant and simply index the next byte by the size of this structure.
137   char	tsize[4];		/* text size in bytes, padded to FW bdry */
138   char	dsize[4];		/* initialized   data "   "		 */
139   char	bsize[4];		/* uninitialized data "   "		 */
140   char	entry[4];		/* entry pt.				 */
141   char 	text_start[4];		/* base of text used for this file       */
142   char 	data_start[4];		/* base of data used for this file       */
159   char		s_paddr[4];	/* physical address, aliased s_nlib */
160   char		s_vaddr[4];	/* virtual address		    */
161   char		s_size[4];	/* section size			    */
162   char		s_scnptr[4];	/* file ptr to raw data for section */
163   char		s_relptr[4];	/* file ptr to relocation	    */
164   char		s_lnnoptr[4];	/* file ptr to line numbers	    */
167   char		s_flags[4];	/* flags			    */
207   char		sl_entsz[4];	/* Size of this entry               */
208   char		sl_pathndx[4];	/* size of the header field         */
216 /* 1 line number entry for every "breakpointable" source line in a section.
217  * Line numbers are grouped on a per function basis; first entry in a function
224     char l_symndx[4];	/* function name symbol index, iff l_lnno == 0*/
225     char l_paddr[4];	/* (physical) address of line number	*/
235 #define COFF_E_SYMNMLEN	 8	/* # characters in a short symbol name	*/
236 #define COFF_E_FILNMLEN	14	/* # characters in a file name		*/
237 #define COFF_E_DIMNUM	 4	/* # array dimensions in auxiliary entry */
248       char e_zeroes[4];         /* Leading zeros */
249       char e_offset[4];         /* Offset if this is a header section */
253   char e_value[4];              /* Value (address) of the segment */
262 #define COFF_N_BTSHFT	(4)     /* # bits to shift class field   */
276     char x_tagndx[4];	        /* str, un, or enum tag indx */
282       char x_fsize[4];	        /* size of function */
287 	char x_lnnoptr[4];	/* ptr to fcn line # */
288 	char x_endndx[4];	/* entry ndx past block end */
291       struct {		        /* if ISARY, up to 4 dimen. */
306       char x_zeroes[4];
307       char x_offset[4];
316     char x_scnlen[4];	/* section length */
326     char x_tvfill[4];	/* tv fill value */
342   char r_vaddr[4];        /* Virtual address of item    */
343   char r_symndx[4];       /* Symbol index in the symtab */
350 #define COFF_DEF_DATA_SECTION_ALIGNMENT  4
351 #define COFF_DEF_BSS_SECTION_ALIGNMENT   4
352 #define COFF_DEF_TEXT_SECTION_ALIGNMENT  4
355 #define COFF_DEF_SECTION_ALIGNMENT       4