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load_coff.h revision 1.1.26.3 
      1 /* -*-C++-*-	$NetBSD: load_coff.h,v 1.1.26.3 2004/09/21 13:15:48 skrll Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2001 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by UCHIYAMA Yasushi.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  * 3. All advertising materials mentioning features or use of this software
     19  *    must display the following acknowledgement:
     20  *        This product includes software developed by the NetBSD
     21  *        Foundation, Inc. and its contributors.
     22  * 4. Neither the name of The NetBSD Foundation nor the names of its
     23  *    contributors may be used to endorse or promote products derived
     24  *    from this software without specific prior written permission.
     25  *
     26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     36  * POSSIBILITY OF SUCH DAMAGE.
     37  */
     38 
     39 #ifndef _HPCBOOT_LOAD_COFF_H_
     40 #define	_HPCBOOT_LOAD_COFF_H_
     41 
     42 #include <exec_coff.h>
     43 
     44 #define	FILHSZ	(sizeof(struct coff_filehdr))
     45 #define	SCNHSZ	(sizeof(struct coff_scnhdr))
     46 
     47 #define	N_TXTOFF(f, a)							\
     48 	((a)->a_vstamp < 23 ?						\
     49 	((FILHSZ +(f)->f_opthdr +(f)->f_nscns * SCNHSZ + 7) & ~7) :	\
     50 	((FILHSZ +(f)->f_opthdr +(f)->f_nscns * SCNHSZ + 15) & ~15))
     51 
     52 class CoffLoader : public Loader {
     53 private:
     54 	struct coff_exechdr _eh;
     55 	struct coff_filehdr *_fh;
     56 	struct coff_aouthdr *_ah;
     57 
     58 	BOOL read_header(void);
     59 	struct PageTag *load_page(vaddr_t, off_t, size_t, struct PageTag *);
     60 
     61 public:
     62 	CoffLoader(Console *&, MemoryManager *&);
     63 	virtual ~CoffLoader(void);
     64 
     65 	BOOL setFile(File *&);
     66 	size_t memorySize(void);
     67 	BOOL load(void);
     68 	kaddr_t jumpAddr(void);
     69 };
     70 
     71 #endif //_HPCBOOT_LOAD_COFF_H_
     72