1 /* $NetBSD: exec_ecoff.h,v 1.23 2026/01/09 09:34:30 skrll 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. The name of the author may not be used to endorse or promote products 16 * derived from this software without specific prior written permission 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 23 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 */ 29 30 #ifndef _SYS_EXEC_ECOFF_H_ 31 #define _SYS_EXEC_ECOFF_H_ 32 33 #include <sys/endian.h> 34 35 #include <machine/ecoff_machdep.h> 36 37 #ifdef ECOFF32_PAD 38 39 typedef uint32_t ecoff32_addr; 40 typedef uint32_t ecoff32_off; 41 typedef uint32_t ecoff32_ulong; 42 typedef int32_t ecoff32_long; 43 typedef uint32_t ecoff32_uint; 44 typedef int32_t ecoff32_int; 45 typedef uint16_t ecoff32_ushort; 46 typedef int16_t ecoff32_short; 47 typedef uint8_t ecoff32_ubyte; 48 typedef int8_t ecoff32_byte; 49 50 struct ecoff32_filehdr { 51 ecoff32_ushort f_magic; /* magic number */ 52 ecoff32_ushort f_nscns; /* # of sections */ 53 ecoff32_uint f_timdat; /* time and date stamp */ 54 ecoff32_ulong f_symptr; /* file offset of symbol table */ 55 ecoff32_uint f_nsyms; /* # of symbol table entries */ 56 ecoff32_ushort f_opthdr; /* sizeof the optional header */ 57 ecoff32_ushort f_flags; /* flags??? */ 58 }; 59 60 struct ecoff32_aouthdr { 61 ecoff32_ushort magic; 62 ecoff32_ushort vstamp; 63 ECOFF32_PAD 64 ecoff32_ulong tsize; 65 ecoff32_ulong dsize; 66 ecoff32_ulong bsize; 67 ecoff32_ulong entry; 68 ecoff32_ulong text_start; 69 ecoff32_ulong data_start; 70 ecoff32_ulong bss_start; 71 ECOFF32_MACHDEP; 72 }; 73 74 struct ecoff32_scnhdr { /* needed for size info */ 75 char s_name[8]; /* name */ 76 ecoff32_ulong s_paddr; /* physical addr? for ROMing?*/ 77 ecoff32_ulong s_vaddr; /* virtual addr? */ 78 ecoff32_ulong s_size; /* size */ 79 ecoff32_ulong s_scnptr; /* file offset of raw data */ 80 ecoff32_ulong s_relptr; /* file offset of reloc data */ 81 ecoff32_ulong s_lnnoptr; /* file offset of line data */ 82 ecoff32_ushort s_nreloc; /* # of relocation entries */ 83 ecoff32_ushort s_nlnno; /* # of line entries */ 84 ecoff32_uint s_flags; /* flags */ 85 }; 86 87 struct ecoff32_exechdr { 88 struct ecoff32_filehdr f; 89 struct ecoff32_aouthdr a; 90 }; 91 92 #define ECOFF32_HDR_SIZE (sizeof(struct ecoff32_exechdr)) 93 94 #define ECOFF32_TXTOFF(ep) \ 95 ((ep)->a.magic == ECOFF_ZMAGIC ? 0 : \ 96 ECOFF_ROUND(ECOFF32_HDR_SIZE + (ep)->f.f_nscns * \ 97 sizeof(struct ecoff32_scnhdr), ECOFF32_SEGMENT_ALIGNMENT(ep))) 98 99 #define ECOFF32_DATOFF(ep) \ 100 (ECOFF_BLOCK_ALIGN((ep), ECOFF32_TXTOFF(ep) + (ep)->a.tsize)) 101 102 #define ECOFF32_SEGMENT_ALIGN(ep, value) \ 103 (ECOFF_ROUND((value), ((ep)->a.magic == ECOFF_ZMAGIC ? ECOFF_LDPGSZ : \ 104 ECOFF32_SEGMENT_ALIGNMENT(ep)))) 105 #endif 106 107 struct ecoff_filehdr { 108 u_short f_magic; /* magic number */ 109 u_short f_nscns; /* # of sections */ 110 u_int f_timdat; /* time and date stamp */ 111 u_long f_symptr; /* file offset of symbol table */ 112 u_int f_nsyms; /* # of symbol table entries */ 113 u_short f_opthdr; /* sizeof the optional header */ 114 u_short f_flags; /* flags??? */ 115 }; 116 117 struct ecoff_aouthdr { 118 u_short magic; 119 u_short vstamp; 120 ECOFF_PAD 121 u_long tsize; 122 u_long dsize; 123 u_long bsize; 124 u_long entry; 125 u_long text_start; 126 u_long data_start; 127 u_long bss_start; 128 ECOFF_MACHDEP; 129 }; 130 131 struct ecoff_scnhdr { /* needed for size info */ 132 char s_name[8]; /* name */ 133 u_long s_paddr; /* physical addr? for ROMing?*/ 134 u_long s_vaddr; /* virtual addr? */ 135 u_long s_size; /* size */ 136 u_long s_scnptr; /* file offset of raw data */ 137 u_long s_relptr; /* file offset of reloc data */ 138 u_long s_lnnoptr; /* file offset of line data */ 139 u_short s_nreloc; /* # of relocation entries */ 140 u_short s_nlnno; /* # of line entries */ 141 u_int s_flags; /* flags */ 142 }; 143 144 struct ecoff_exechdr { 145 struct ecoff_filehdr f; 146 struct ecoff_aouthdr a; 147 }; 148 149 #define ECOFF_HDR_SIZE (sizeof(struct ecoff_exechdr)) 150 151 #define ECOFF_OMAGIC 0407 152 #define ECOFF_NMAGIC 0410 153 #define ECOFF_ZMAGIC 0413 154 155 #define ECOFF_ROUND(value, by) \ 156 (((value) + (by) - 1) & ~((by) - 1)) 157 158 #define ECOFF_BLOCK_ALIGN(ep, value) \ 159 ((ep)->a.magic == ECOFF_ZMAGIC ? ECOFF_ROUND((value), ECOFF_LDPGSZ) : \ 160 (value)) 161 162 #define ECOFF_TXTOFF(ep) \ 163 ((ep)->a.magic == ECOFF_ZMAGIC ? 0 : \ 164 ECOFF_ROUND(ECOFF_HDR_SIZE + (ep)->f.f_nscns * \ 165 sizeof(struct ecoff_scnhdr), ECOFF_SEGMENT_ALIGNMENT(ep))) 166 167 #define ECOFF_DATOFF(ep) \ 168 (ECOFF_BLOCK_ALIGN((ep), ECOFF_TXTOFF(ep) + (ep)->a.tsize)) 169 170 #define ECOFF_SEGMENT_ALIGN(ep, value) \ 171 (ECOFF_ROUND((value), ((ep)->a.magic == ECOFF_ZMAGIC ? ECOFF_LDPGSZ : \ 172 ECOFF_SEGMENT_ALIGNMENT(ep)))) 173 174 #ifdef _KERNEL 175 int exec_ecoff_makecmds(struct lwp *, struct exec_package *); 176 int cpu_exec_ecoff_probe(struct lwp *, struct exec_package *); 177 void cpu_exec_ecoff_setregs(struct lwp *, struct exec_package *, vaddr_t); 178 179 int exec_ecoff_prep_omagic(struct lwp *, struct exec_package *, 180 struct ecoff_exechdr *, struct vnode *); 181 int exec_ecoff_prep_nmagic(struct lwp *, struct exec_package *, 182 struct ecoff_exechdr *, struct vnode *); 183 int exec_ecoff_prep_zmagic(struct lwp *, struct exec_package *, 184 struct ecoff_exechdr *, struct vnode *); 185 186 #endif /* _KERNEL */ 187 #endif /* !_SYS_EXEC_ECOFF_H_ */ 188