1 /* $NetBSD: ecoff_machdep.h,v 1.3 2017/02/24 03:44:54 christos Exp $ */ 2 3 /* 4 * Copyright (c) 1997 Jonathan Stone 5 * All rights reserved. 6 * 7 * Copyright (c) 1994 Adam Glass 8 * All rights reserved. 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 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by Adam Glass. 21 * 4. The name of the Author may not be used to endorse or promote products 22 * derived from this software without specific prior written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY Adam Glass ``AS IS'' AND 25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27 * ARE DISCLAIMED. IN NO EVENT SHALL Adam Glass BE LIABLE 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 * SUCH DAMAGE. 35 */ 36 37 #define ECOFF_LDPGSZ 4096 38 39 #define ECOFF_PAD 40 #define ECOFF32_PAD 41 42 #define ECOFF32_MACHDEP \ 43 ecoff32_ulong gprmask; \ 44 ecoff32_ulong cprmask[4]; \ 45 ecoff32_ulong gp_value 46 47 #define ECOFF_MACHDEP \ 48 u_long gprmask; \ 49 u_long cprmask[4]; \ 50 u_long gp_value 51 #ifdef _KERNEL 52 #include <mips/locore.h> /* mips CPU architecture levels */ 53 #define _MIPS3_OK() CPUISMIPS3 54 #else 55 #define _MIPS3_OK() /*CONSTCOND*/1 56 #endif 57 58 59 #define ECOFF_MAGIC_MIPSEB 0x0160 /* mips1, big-endian */ 60 #define ECOFF_MAGIC_MIPSEL 0x0162 /* mips1, little-endian */ 61 #define ECOFF_MAGIC_MIPSEL3 0x0142 /* mips3, little-endian */ 62 63 #if BYTE_ORDER == LITTLE_ENDIAN 64 #define ECOFF_BADMAG(ep) \ 65 (! \ 66 ((ep)->f.f_magic == ECOFF_MAGIC_MIPSEL || \ 67 (_MIPS3_OK() && (ep)->f.f_magic == ECOFF_MAGIC_MIPSEL3)) \ 68 ) 69 #endif 70 #if BYTE_ORDER == BIG_ENDIAN 71 #define ECOFF_BADMAG(ep) ((ep)->f.f_magic != ECOFF_MAGIC_MIPSEB) 72 #endif 73 74 75 #define ECOFF_SEGMENT_ALIGNMENT(ep) ((ep)->a.vstamp < 23 ? 8 : 16) 76 #define ECOFF32_SEGMENT_ALIGNMENT(ep) ((ep)->a.vstamp < 23 ? 8 : 16) 77 78 #ifdef _KERNEL 79 struct proc; 80 struct exec_package; 81 void cpu_exec_ecoff_setregs(struct lwp *, struct exec_package *, vaddr_t); 82 #endif /* _KERNEL */ 83 84 85 struct ecoff32_symhdr { 86 int16_t magic; 87 int16_t vstamp; 88 int32_t ilineMax; 89 int32_t cbLine; 90 int32_t cbLineOffset; 91 int32_t idnMax; 92 int32_t cbDnOffset; 93 int32_t ipdMax; 94 int32_t cbPdOffset; 95 int32_t isymMax; 96 int32_t cbSymOffset; 97 int32_t ioptMax; 98 int32_t cbOptOffset; 99 int32_t iauxMax; 100 int32_t cbAuxOffset; 101 int32_t issMax; 102 int32_t cbSsOffset; 103 int32_t issExtMax; 104 int32_t cbSsExtOffset; 105 int32_t ifdMax; 106 int32_t cbFdOffset; 107 int32_t crfd; 108 int32_t cbRfdOffset; 109 int32_t iextMax; 110 int32_t cbExtOffset; 111 }; 112 113 /* 114 * ECOFF symbol definitions for 32-bit mips. 115 * XXX 64-bit (mips3?) may be different. 116 */ 117 struct ecoff_symhdr { 118 int16_t magic; 119 int16_t vstamp; 120 int32_t ilineMax; 121 int32_t cbLine; 122 int32_t cbLineOffset; 123 int32_t idnMax; 124 int32_t cbDnOffset; 125 int32_t ipdMax; 126 int32_t cbPdOffset; 127 int32_t isymMax; 128 int32_t cbSymOffset; 129 int32_t ioptMax; 130 int32_t cbOptOffset; 131 int32_t iauxMax; 132 int32_t cbAuxOffset; 133 int32_t issMax; 134 int32_t cbSsOffset; 135 int32_t issExtMax; 136 int32_t cbSsExtOffset; 137 int32_t ifdMax; 138 int32_t cbFdOffset; 139 int32_t crfd; 140 int32_t cbRfdOffset; 141 int32_t iextMax; 142 int32_t cbExtOffset; 143 }; 144 145 /* Macro for field name used by cgd's Alpha-derived code */ 146 #define esymMax iextMax 147 148 149 struct ecoff_extsym { 150 u_int16_t es_flags; 151 u_int16_t es_ifd; 152 int32_t es_strindex; 153 int32_t es_value; 154 unsigned es_type:6; 155 unsigned es_class:5; 156 unsigned :1; 157 unsigned es_symauxindex:20; 158 }; 159 160 struct ecoff32_extsym { 161 uint16_t es_flags; 162 uint16_t es_ifd; 163 int32_t es_strindex; 164 int32_t es_value; 165 unsigned es_type:6; 166 unsigned es_class:5; 167 unsigned :1; 168 unsigned es_symauxindex:20; 169 }; 170