1 /* 2 * Aic7xxx SCSI host adapter firmware asssembler symbol table definitions 3 * 4 * Copyright (c) 1997 Justin T. Gibbs. 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 immediately at the beginning of the file, without modification, 12 * this list of conditions, and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. The name of the author may not be used to endorse or promote products 17 * derived from this software without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR 23 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 * 31 * $Id$ 32 */ 33 34 #include <sys/queue.h> 35 36 typedef enum { 37 UNINITIALIZED, 38 REGISTER, 39 ALIAS, 40 SCBLOC, 41 SRAMLOC, 42 MASK, 43 BIT, 44 CONST, 45 LABEL, 46 CONDITIONAL 47 }symtype; 48 49 typedef enum { 50 RO = 0x01, 51 WO = 0x02, 52 RW = 0x03 53 }amode_t; 54 55 struct reg_info { 56 u_int8_t address; 57 int size; 58 amode_t mode; 59 u_int8_t valid_bitmask; 60 int typecheck_masks; 61 }; 62 63 typedef SLIST_HEAD(symlist, symbol_node) symlist_t; 64 65 struct mask_info { 66 symlist_t symrefs; 67 u_int8_t mask; 68 }; 69 70 struct const_info { 71 u_int8_t value; 72 int define; 73 }; 74 75 struct alias_info { 76 struct symbol *parent; 77 }; 78 79 struct label_info { 80 int address; 81 }; 82 83 struct cond_info { 84 int value; 85 }; 86 87 typedef struct expression_info { 88 symlist_t referenced_syms; 89 int value; 90 } expression_t; 91 92 typedef struct symbol { 93 char *name; 94 symtype type; 95 union { 96 struct reg_info *rinfo; 97 struct mask_info *minfo; 98 struct const_info *cinfo; 99 struct alias_info *ainfo; 100 struct label_info *linfo; 101 struct cond_info *condinfo; 102 }info; 103 } symbol_t; 104 105 typedef struct symbol_ref { 106 symbol_t *symbol; 107 int offset; 108 } symbol_ref_t; 109 110 typedef struct symbol_node { 111 SLIST_ENTRY(symbol_node) links; 112 symbol_t *symbol; 113 }symbol_node_t; 114 115 typedef struct patch { 116 STAILQ_ENTRY(patch) links; 117 int negative; 118 int begin; 119 int end; 120 int options; 121 } patch_t; 122 123 void symbol_delete __P((symbol_t *symbol)); 124 125 void symtable_open __P((void)); 126 127 void symtable_close __P((void)); 128 129 symbol_t * 130 symtable_get __P((char *name)); 131 132 symbol_node_t * 133 symlist_search __P((symlist_t *symlist, char *symname)); 134 135 void 136 symlist_add __P((symlist_t *symlist, symbol_t *symbol, int how)); 137 #define SYMLIST_INSERT_HEAD 0x00 138 #define SYMLIST_SORT 0x01 139 140 void symlist_free __P((symlist_t *symlist)); 141 142 void symlist_merge __P((symlist_t *symlist_dest, symlist_t *symlist_src1, 143 symlist_t *symlist_src2)); 144 void symtable_dump __P((FILE *ofile)); 145