1 /* $NetBSD: exec_ecoff.h,v 1.21 2017/02/23 18:54:30 christos 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 #ifdef ECOFF32_PAD 39 40 typedef uint32_t ecoff32_addr; 41 typedef uint32_t ecoff32_off; 42 typedef uint32_t ecoff32_ulong; 43 typedef int32_t ecoff32_long; 44 typedef uint32_t ecoff32_uint; 45 typedef int32_t ecoff32_int; 46 typedef uint16_t ecoff32_ushort; 47 typedef int16_t ecoff32_short; 48 typedef uint8_t ecoff32_ubyte; 49 typedef int8_t ecoff32_byte; 50 51 struct ecoff32_filehdr { 52 ecoff32_ushort f_magic; /* magic number */ 53 ecoff32_ushort f_nscns; /* # of sections */ 54 ecoff32_uint f_timdat; /* time and date stamp */ 55 ecoff32_ulong f_symptr; /* file offset of symbol table */ 56 ecoff32_uint f_nsyms; /* # of symbol table entries */ 57 ecoff32_ushort f_opthdr; /* sizeof the optional header */ 58 ecoff32_ushort f_flags; /* flags??? */ 59 }; 60 61 struct ecoff32_aouthdr { 62 ecoff32_ushort magic; 63 ecoff32_ushort vstamp; 64 ECOFF32_PAD 65 ecoff32_ulong tsize; 66 ecoff32_ulong dsize; 67 ecoff32_ulong bsize; 68 ecoff32_ulong entry; 69 ecoff32_ulong text_start; 70 ecoff32_ulong data_start; 71 ecoff32_ulong bss_start; 72 ECOFF32_MACHDEP; 73 }; 74 75 struct ecoff32_scnhdr { /* needed for size info */ 76 char s_name[8]; /* name */ 77 ecoff32_ulong s_paddr; /* physical addr? for ROMing?*/ 78 ecoff32_ulong s_vaddr; /* virtual addr? */ 79 ecoff32_ulong s_size; /* size */ 80 ecoff32_ulong s_scnptr; /* file offset of raw data */ 81 ecoff32_ulong s_relptr; /* file offset of reloc data */ 82 ecoff32_ulong s_lnnoptr; /* file offset of line data */ 83 ecoff32_ushort s_nreloc; /* # of relocation entries */ 84 ecoff32_ushort s_nlnno; /* # of line entries */ 85 ecoff32_uint s_flags; /* flags */ 86 }; 87 88 struct ecoff32_exechdr { 89 struct ecoff32_filehdr f; 90 struct ecoff32_aouthdr a; 91 }; 92 93 #define ECOFF32_HDR_SIZE (sizeof(struct ecoff32_exechdr)) 94 95 #define ECOFF32_TXTOFF(ep) \ 96 ((ep)->a.magic == ECOFF_ZMAGIC ? 0 : \ 97 ECOFF_ROUND(ECOFF32_HDR_SIZE + (ep)->f.f_nscns * \ 98 sizeof(struct ecoff32_scnhdr), ECOFF32_SEGMENT_ALIGNMENT(ep))) 99 100 #define ECOFF32_DATOFF(ep) \ 101 (ECOFF_BLOCK_ALIGN((ep), ECOFF32_TXTOFF(ep) + (ep)->a.tsize)) 102 103 #define ECOFF32_SEGMENT_ALIGN(ep, value) \ 104 (ECOFF_ROUND((value), ((ep)->a.magic == ECOFF_ZMAGIC ? ECOFF_LDPGSZ : \ 105 ECOFF32_SEGMENT_ALIGNMENT(ep)))) 106 #endif 107 108 struct ecoff_filehdr { 109 u_short f_magic; /* magic number */ 110 u_short f_nscns; /* # of sections */ 111 u_int f_timdat; /* time and date stamp */ 112 u_long f_symptr; /* file offset of symbol table */ 113 u_int f_nsyms; /* # of symbol table entries */ 114 u_short f_opthdr; /* sizeof the optional header */ 115 u_short f_flags; /* flags??? */ 116 }; 117 118 struct ecoff_aouthdr { 119 u_short magic; 120 u_short vstamp; 121 ECOFF_PAD 122 u_long tsize; 123 u_long dsize; 124 u_long bsize; 125 u_long entry; 126 u_long text_start; 127 u_long data_start; 128 u_long bss_start; 129 ECOFF_MACHDEP; 130 }; 131 132 struct ecoff_scnhdr { /* needed for size info */ 133 char s_name[8]; /* name */ 134 u_long s_paddr; /* physical addr? for ROMing?*/ 135 u_long s_vaddr; /* virtual addr? */ 136 u_long s_size; /* size */ 137 u_long s_scnptr; /* file offset of raw data */ 138 u_long s_relptr; /* file offset of reloc data */ 139 u_long s_lnnoptr; /* file offset of line data */ 140 u_short s_nreloc; /* # of relocation entries */ 141 u_short s_nlnno; /* # of line entries */ 142 u_int s_flags; /* flags */ 143 }; 144 145 struct ecoff_exechdr { 146 struct ecoff_filehdr f; 147 struct ecoff_aouthdr a; 148 }; 149 150 #define ECOFF_HDR_SIZE (sizeof(struct ecoff_exechdr)) 151 152 #define ECOFF_OMAGIC 0407 153 #define ECOFF_NMAGIC 0410 154 #define ECOFF_ZMAGIC 0413 155 156 #define ECOFF_ROUND(value, by) \ 157 (((value) + (by) - 1) & ~((by) - 1)) 158 159 #define ECOFF_BLOCK_ALIGN(ep, value) \ 160 ((ep)->a.magic == ECOFF_ZMAGIC ? ECOFF_ROUND((value), ECOFF_LDPGSZ) : \ 161 (value)) 162 163 #define ECOFF_TXTOFF(ep) \ 164 ((ep)->a.magic == ECOFF_ZMAGIC ? 0 : \ 165 ECOFF_ROUND(ECOFF_HDR_SIZE + (ep)->f.f_nscns * \ 166 sizeof(struct ecoff_scnhdr), ECOFF_SEGMENT_ALIGNMENT(ep))) 167 168 #define ECOFF_DATOFF(ep) \ 169 (ECOFF_BLOCK_ALIGN((ep), ECOFF_TXTOFF(ep) + (ep)->a.tsize)) 170 171 #define ECOFF_SEGMENT_ALIGN(ep, value) \ 172 (ECOFF_ROUND((value), ((ep)->a.magic == ECOFF_ZMAGIC ? ECOFF_LDPGSZ : \ 173 ECOFF_SEGMENT_ALIGNMENT(ep)))) 174 175 #ifdef _KERNEL 176 int exec_ecoff_makecmds(struct lwp *, struct exec_package *); 177 int cpu_exec_ecoff_probe(struct lwp *, struct exec_package *); 178 void cpu_exec_ecoff_setregs(struct lwp *, struct exec_package *, vaddr_t); 179 180 int exec_ecoff_prep_omagic(struct lwp *, struct exec_package *, 181 struct ecoff_exechdr *, struct vnode *); 182 int exec_ecoff_prep_nmagic(struct lwp *, struct exec_package *, 183 struct ecoff_exechdr *, struct vnode *); 184 int exec_ecoff_prep_zmagic(struct lwp *, struct exec_package *, 185 struct ecoff_exechdr *, struct vnode *); 186 187 #endif /* _KERNEL */ 188 #endif /* !_SYS_EXEC_ECOFF_H_ */ 189