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      1 /*	$NetBSD: loadfile.h,v 1.15 2021/05/21 21:52:15 jmcneill Exp $	 */
      2 
      3 /*-
      4  * Copyright (c) 1998, 2008 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Christos Zoulas.
      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  *
     19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  * POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 /*
     33  * Array indices in the u_long position array
     34  */
     35 #define MARK_START	0
     36 #define MARK_ENTRY	1
     37 #define MARK_DATA	2
     38 #define MARK_NSYM	3
     39 #define MARK_SYM	4
     40 #define MARK_END	5
     41 #define MARK_MAX	6
     42 
     43 /*
     44  * Bit flags for sections to load
     45  */
     46 #define LOAD_TEXT	0x0001
     47 #define LOAD_TEXTA	0x0002
     48 #define LOAD_DATA	0x0004
     49 #define LOAD_BSS	0x0008
     50 #define LOAD_SYM	0x0010
     51 #define LOAD_HDR	0x0020
     52 #define LOAD_NOTE	0x0040
     53 #define LOAD_ALL	0x007f
     54 #define LOAD_MINIMAL	0x002f
     55 #define LOAD_BACKWARDS	0x0050
     56 #define LOAD_DYN	0x4000
     57 
     58 #define COUNT_TEXT	0x0100
     59 #define COUNT_TEXTA	0x0200
     60 #define COUNT_DATA	0x0400
     61 #define COUNT_BSS	0x0800
     62 #define COUNT_SYM	0x1000
     63 #define COUNT_HDR	0x2000
     64 #define COUNT_ALL	0x3f00
     65 
     66 int loadfile(const char *, u_long *, int);
     67 int fdloadfile(int fd, u_long *, int);
     68 
     69 #ifndef MACHINE_LOADFILE_MACHDEP
     70 #define MACHINE_LOADFILE_MACHDEP "machine/loadfile_machdep.h"
     71 #endif
     72 #include MACHINE_LOADFILE_MACHDEP
     73 
     74 #ifdef BOOT_ECOFF
     75 #include <sys/exec_ecoff.h>
     76 int loadfile_coff(int, struct ecoff_exechdr *, u_long *, int);
     77 #endif
     78 
     79 #if defined(BOOT_ELF32) || defined(BOOT_ELF64)
     80 #include <sys/exec_elf.h>
     81 #ifdef BOOT_ELF32
     82 int loadfile_elf32(int, Elf32_Ehdr *, u_long *, int);
     83 #endif
     84 #ifdef BOOT_ELF64
     85 int loadfile_elf64(int, Elf64_Ehdr *, u_long *, int);
     86 #endif
     87 #endif /* BOOT_ELF32 || BOOT_ELF64 */
     88 
     89 #ifdef BOOT_AOUT
     90 #include <sys/exec_aout.h>
     91 int loadfile_aout(int, struct exec *, u_long *, int);
     92 #endif
     93 
     94 extern uint32_t netbsd_version;
     95 extern u_int netbsd_elf_class;
     96 extern u_int netbsd_elf_data;
     97