1 /* $NetBSD: exec_ecoff.h,v 1.20 2009/12/10 14:13:54 matt Exp $ */ 2 3 /* 4 * Copyright (c) 1994 Adam Glass 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by Adam Glass. 18 * 4. The name of the author may not be used to endorse or promote products 19 * derived from this software without specific prior written permission 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 22 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 23 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 24 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 26 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 30 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 #ifndef _SYS_EXEC_ECOFF_H_ 34 #define _SYS_EXEC_ECOFF_H_ 35 36 #include <machine/ecoff_machdep.h> 37 38 struct ecoff_filehdr { 39 u_short f_magic; /* magic number */ 40 u_short f_nscns; /* # of sections */ 41 u_int f_timdat; /* time and date stamp */ 42 u_long f_symptr; /* file offset of symbol table */ 43 u_int f_nsyms; /* # of symbol table entries */ 44 u_short f_opthdr; /* sizeof the optional header */ 45 u_short f_flags; /* flags??? */ 46 }; 47 48 struct ecoff_aouthdr { 49 u_short magic; 50 u_short vstamp; 51 ECOFF_PAD 52 u_long tsize; 53 u_long dsize; 54 u_long bsize; 55 u_long entry; 56 u_long text_start; 57 u_long data_start; 58 u_long bss_start; 59 ECOFF_MACHDEP; 60 }; 61 62 struct ecoff_scnhdr { /* needed for size info */ 63 char s_name[8]; /* name */ 64 u_long s_paddr; /* physical addr? for ROMing?*/ 65 u_long s_vaddr; /* virtual addr? */ 66 u_long s_size; /* size */ 67 u_long s_scnptr; /* file offset of raw data */ 68 u_long s_relptr; /* file offset of reloc data */ 69 u_long s_lnnoptr; /* file offset of line data */ 70 u_short s_nreloc; /* # of relocation entries */ 71 u_short s_nlnno; /* # of line entries */ 72 u_int s_flags; /* flags */ 73 }; 74 75 struct ecoff_exechdr { 76 struct ecoff_filehdr f; 77 struct ecoff_aouthdr a; 78 }; 79 80 #define ECOFF_HDR_SIZE (sizeof(struct ecoff_exechdr)) 81 82 #define ECOFF_OMAGIC 0407 83 #define ECOFF_NMAGIC 0410 84 #define ECOFF_ZMAGIC 0413 85 86 #define ECOFF_ROUND(value, by) \ 87 (((value) + (by) - 1) & ~((by) - 1)) 88 89 #define ECOFF_BLOCK_ALIGN(ep, value) \ 90 ((ep)->a.magic == ECOFF_ZMAGIC ? ECOFF_ROUND((value), ECOFF_LDPGSZ) : \ 91 (value)) 92 93 #define ECOFF_TXTOFF(ep) \ 94 ((ep)->a.magic == ECOFF_ZMAGIC ? 0 : \ 95 ECOFF_ROUND(ECOFF_HDR_SIZE + (ep)->f.f_nscns * \ 96 sizeof(struct ecoff_scnhdr), ECOFF_SEGMENT_ALIGNMENT(ep))) 97 98 #define ECOFF_DATOFF(ep) \ 99 (ECOFF_BLOCK_ALIGN((ep), ECOFF_TXTOFF(ep) + (ep)->a.tsize)) 100 101 #define ECOFF_SEGMENT_ALIGN(ep, value) \ 102 (ECOFF_ROUND((value), ((ep)->a.magic == ECOFF_ZMAGIC ? ECOFF_LDPGSZ : \ 103 ECOFF_SEGMENT_ALIGNMENT(ep)))) 104 105 #ifdef _KERNEL 106 int exec_ecoff_makecmds(struct lwp *, struct exec_package *); 107 int cpu_exec_ecoff_probe(struct lwp *, struct exec_package *); 108 void cpu_exec_ecoff_setregs(struct lwp *, struct exec_package *, vaddr_t); 109 110 int exec_ecoff_prep_omagic(struct lwp *, struct exec_package *, 111 struct ecoff_exechdr *, struct vnode *); 112 int exec_ecoff_prep_nmagic(struct lwp *, struct exec_package *, 113 struct ecoff_exechdr *, struct vnode *); 114 int exec_ecoff_prep_zmagic(struct lwp *, struct exec_package *, 115 struct ecoff_exechdr *, struct vnode *); 116 117 #endif /* _KERNEL */ 118 #endif /* !_SYS_EXEC_ECOFF_H_ */ 119