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      1  1.8  martin /* -*-C++-*-	$NetBSD: load_elf.h,v 1.8 2008/04/28 20:23:20 martin Exp $	*/
      2  1.1     uch 
      3  1.1     uch /*-
      4  1.1     uch  * Copyright (c) 2001 The NetBSD Foundation, Inc.
      5  1.1     uch  * All rights reserved.
      6  1.1     uch  *
      7  1.1     uch  * This code is derived from software contributed to The NetBSD Foundation
      8  1.1     uch  * by UCHIYAMA Yasushi.
      9  1.1     uch  *
     10  1.1     uch  * Redistribution and use in source and binary forms, with or without
     11  1.1     uch  * modification, are permitted provided that the following conditions
     12  1.1     uch  * are met:
     13  1.1     uch  * 1. Redistributions of source code must retain the above copyright
     14  1.1     uch  *    notice, this list of conditions and the following disclaimer.
     15  1.1     uch  * 2. Redistributions in binary form must reproduce the above copyright
     16  1.1     uch  *    notice, this list of conditions and the following disclaimer in the
     17  1.1     uch  *    documentation and/or other materials provided with the distribution.
     18  1.1     uch  *
     19  1.1     uch  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  1.1     uch  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  1.1     uch  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  1.1     uch  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  1.1     uch  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  1.1     uch  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  1.1     uch  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  1.1     uch  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  1.1     uch  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  1.1     uch  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  1.1     uch  * POSSIBILITY OF SUCH DAMAGE.
     30  1.1     uch  */
     31  1.1     uch 
     32  1.1     uch #ifndef _HPCBOOT_LOAD_ELF_H_
     33  1.6     uch #define	_HPCBOOT_LOAD_ELF_H_
     34  1.1     uch 
     35  1.1     uch #include <exec_elf.h>
     36  1.1     uch 
     37  1.1     uch class ElfLoader : public Loader {
     38  1.1     uch private:
     39  1.1     uch 	Elf_Ehdr _eh;
     40  1.5     uch 	Elf_Phdr *_ph;
     41  1.5     uch 	Elf_Shdr *_sh;
     42  1.1     uch 
     43  1.4     uch 	struct _symbol_block {
     44  1.4     uch 		BOOL enable;
     45  1.4     uch 		char *header;
     46  1.4     uch 		size_t header_size;
     47  1.4     uch 		Elf_Shdr *shstr;
     48  1.4     uch 		off_t stroff;
     49  1.4     uch 		Elf_Shdr *shsym;
     50  1.4     uch 		off_t symoff;
     51  1.4     uch 	} _sym_blk;
     52  1.4     uch 
     53  1.1     uch 	BOOL is_elf_file(void) {
     54  1.1     uch 		return
     55  1.3     uch 		    _eh.e_ident[EI_MAG0] == ELFMAG0 &&
     56  1.3     uch 		    _eh.e_ident[EI_MAG1] == ELFMAG1 &&
     57  1.3     uch 		    _eh.e_ident[EI_MAG2] == ELFMAG2 &&
     58  1.3     uch 		    _eh.e_ident[EI_MAG3] == ELFMAG3;
     59  1.1     uch 	}
     60  1.1     uch 	BOOL read_header(void);
     61  1.1     uch 	struct PageTag *load_page(vaddr_t, off_t, size_t, struct PageTag *);
     62  1.4     uch 	size_t symbol_block_size(void);
     63  1.4     uch 	void load_symbol_block(vaddr_t);
     64  1.6     uch 
     65  1.1     uch public:
     66  1.1     uch 	ElfLoader(Console *&, MemoryManager *&);
     67  1.1     uch 	virtual ~ElfLoader(void);
     68  1.6     uch 
     69  1.1     uch 	BOOL setFile(File *&);
     70  1.1     uch 	size_t memorySize(void);
     71  1.1     uch 	BOOL load(void);
     72  1.1     uch 	kaddr_t jumpAddr(void);
     73  1.1     uch };
     74  1.1     uch 
     75  1.1     uch #endif //_HPCBOOT_LOAD_ELF_H_
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