drivers/scsi/aic7xxx/aicasm/aicasm_symbol.h

   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);