1 /*
2 * Aic7xxx SCSI host adapter firmware asssembler symbol table definitions
3 *
4 * Copyright (c) 1997 Justin T. Gibbs.
5 * Copyright (c) 2002 Adaptec Inc.
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions, and the following disclaimer,
13 * without modification.
14 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
15 * substantially similar to the "NO WARRANTY" disclaimer below
16 * ("Disclaimer") and any redistribution must be conditioned upon
17 * including a substantially similar Disclaimer requirement for further
18 * binary redistribution.
19 * 3. Neither the names of the above-listed copyright holders nor the names
20 * of any contributors may be used to endorse or promote products derived
21 * from this software without specific prior written permission.
22 *
23 * Alternatively, this software may be distributed under the terms of the
24 * GNU General Public License ("GPL") version 2 as published by the Free
25 * Software Foundation.
26 *
27 * NO WARRANTY
28 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
29 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
30 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
31 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
32 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
33 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
34 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
35 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
36 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
37 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
38 * POSSIBILITY OF SUCH DAMAGES.
39 *
40 * $Id: //depot/aic7xxx/aic7xxx/aicasm/aicasm_symbol.h#17 $
41 *
42 * $FreeBSD$
43 */
44
45 #ifdef __linux__
46 #include "../queue.h"
47 #else
48 #include <sys/queue.h>
49 #endif
50
51 typedef enum {
52 UNINITIALIZED,
53 REGISTER,
54 ALIAS,
55 SCBLOC,
56 SRAMLOC,
57 ENUM_ENTRY,
58 FIELD,
59 MASK,
60 ENUM,
61 CONST,
62 DOWNLOAD_CONST,
63 LABEL,
64 CONDITIONAL,
65 MACRO
66 } symtype;
67
68 typedef enum {
69 RO = 0x01,
70 WO = 0x02,
71 RW = 0x03
72 }amode_t;
73
74 typedef SLIST_HEAD(symlist, symbol_node) symlist_t;
75
76 struct reg_info {
77 u_int address;
78 int size;
79 amode_t mode;
80 symlist_t fields;
81 uint8_t valid_bitmask;
82 uint8_t modes;
83 int typecheck_masks;
84 };
85
86 struct field_info {
87 symlist_t symrefs;
88 uint8_t value;
89 uint8_t mask;
90 };
91
92 struct const_info {
93 u_int value;
94 int define;
95 };
96
97 struct alias_info {
98 struct symbol *parent;
99 };
100
101 struct label_info {
102 int address;
103 int exported;
104 };
105
106 struct cond_info {
107 int func_num;
108 };
109
110 struct macro_arg {
111 STAILQ_ENTRY(macro_arg) links;
112 regex_t arg_regex;
113 char *replacement_text;
114 };
115 STAILQ_HEAD(macro_arg_list, macro_arg) args;
116
117 struct macro_info {
118 struct macro_arg_list args;
119 int narg;
120 const char* body;
121 };
122
123 typedef struct expression_info {
124 symlist_t referenced_syms;
125 int value;
126 } expression_t;
127
128 typedef struct symbol {
129 char *name;
130 symtype type;
131 union {
132 struct reg_info *rinfo;
133 struct field_info *finfo;
134 struct const_info *cinfo;
135 struct alias_info *ainfo;
136 struct label_info *linfo;
137 struct cond_info *condinfo;
138 struct macro_info *macroinfo;
139 }info;
140 } symbol_t;
141
142 typedef struct symbol_ref {
143 symbol_t *symbol;
144 int offset;
145 } symbol_ref_t;
146
147 typedef struct symbol_node {
148 SLIST_ENTRY(symbol_node) links;
149 symbol_t *symbol;
150 } symbol_node_t;
151
152 typedef struct critical_section {
153 TAILQ_ENTRY(critical_section) links;
154 int begin_addr;
155 int end_addr;
156 } critical_section_t;
157
158 typedef enum {
159 SCOPE_ROOT,
160 SCOPE_IF,
161 SCOPE_ELSE_IF,
162 SCOPE_ELSE
163 } scope_type;
164
165 typedef struct patch_info {
166 int skip_patch;
167 int skip_instr;
168 } patch_info_t;
169
170 typedef struct scope {
171 SLIST_ENTRY(scope) scope_stack_links;
172 TAILQ_ENTRY(scope) scope_links;
173 TAILQ_HEAD(, scope) inner_scope;
174 scope_type type;
175 int inner_scope_patches;
176 int begin_addr;
177 int end_addr;
178 patch_info_t patches[2];
179 int func_num;
180 } scope_t;
181
182 TAILQ_HEAD(cs_tailq, critical_section);
183 SLIST_HEAD(scope_list, scope);
184 TAILQ_HEAD(scope_tailq, scope);
185
186 void symbol_delete(symbol_t *symbol);
187
188 void symtable_open(void);
189
190 void symtable_close(void);
191
192 symbol_t *
193 symtable_get(char *name);
194
195 symbol_node_t *
196 symlist_search(symlist_t *symlist, char *symname);
197
198 void
199 symlist_add(symlist_t *symlist, symbol_t *symbol, int how);
200 #define SYMLIST_INSERT_HEAD 0x00
201 #define SYMLIST_SORT 0x01
202
203 void symlist_free(symlist_t *symlist);
204
205 void symlist_merge(symlist_t *symlist_dest, symlist_t *symlist_src1,
206 symlist_t *symlist_src2);
207 void symtable_dump(FILE *ofile, FILE *dfile);
208
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