drivers/scsi/aic7xxx/aicasm/aicasm_symbol.h

   1 /*
   2  * Aic7xxx SCSI host adapter firmware assembler 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 #include "../queue.h"
  46
  47 typedef enum {
  48         UNINITIALIZED,
  49         REGISTER,
  50         ALIAS,
  51         SCBLOC,
  52         SRAMLOC,
  53         ENUM_ENTRY,
  54         FIELD,
  55         MASK,
  56         ENUM,
  57         CONST,
  58         DOWNLOAD_CONST,
  59         LABEL,
  60         CONDITIONAL,
  61         MACRO
  62 } symtype;
  63
  64 typedef enum {
  65         RO = 0x01,
  66         WO = 0x02,
  67         RW = 0x03
  68 }amode_t;
  69
  70 typedef SLIST_HEAD(symlist, symbol_node) symlist_t;
  71
  72 struct reg_info {
  73         u_int     address;
  74         int       size;
  75         amode_t   mode;
  76         symlist_t fields;
  77         uint8_t   valid_bitmask;
  78         uint8_t   modes;
  79         int       typecheck_masks;
  80 };
  81
  82 struct field_info {
  83         symlist_t symrefs;
  84         uint8_t   value;
  85         uint8_t   mask;
  86 };
  87
  88 struct const_info {
  89         u_int   value;
  90         int     define;
  91 };
  92
  93 struct alias_info {
  94         struct symbol *parent;
  95 };
  96
  97 struct label_info {
  98         int     address;
  99         int     exported;
 100 };
 101
 102 struct cond_info {
 103         int     func_num;
 104 };
 105
 106 struct macro_arg {
 107         STAILQ_ENTRY(macro_arg) links;
 108         regex_t arg_regex;
 109         char   *replacement_text;
 110 };
 111 STAILQ_HEAD(macro_arg_list, macro_arg) args;
 112
 113 struct macro_info {
 114         struct macro_arg_list args;
 115         int   narg;
 116         const char* body;
 117 };
 118
 119 typedef struct expression_info {
 120         symlist_t       referenced_syms;
 121         int             value;
 122 } expression_t;
 123
 124 typedef struct symbol {
 125         char    *name;
 126         symtype type;
 127         int     count;
 128         union   {
 129                 struct reg_info   *rinfo;
 130                 struct field_info *finfo;
 131                 struct const_info *cinfo;
 132                 struct alias_info *ainfo;
 133                 struct label_info *linfo;
 134                 struct cond_info  *condinfo;
 135                 struct macro_info *macroinfo;
 136         } info;
 137         int     dont_generate_debug_code;
 138 } symbol_t;
 139
 140 typedef struct symbol_ref {
 141         symbol_t *symbol;
 142         int      offset;
 143 } symbol_ref_t;
 144
 145 typedef struct symbol_node {
 146         SLIST_ENTRY(symbol_node) links;
 147         symbol_t *symbol;
 148 } symbol_node_t;
 149
 150 typedef struct critical_section {
 151         TAILQ_ENTRY(critical_section) links;
 152         int begin_addr;
 153         int end_addr;
 154 } critical_section_t;
 155
 156 typedef enum {
 157         SCOPE_ROOT,
 158         SCOPE_IF,
 159         SCOPE_ELSE_IF,
 160         SCOPE_ELSE
 161 } scope_type;
 162
 163 typedef struct patch_info {
 164         int skip_patch;
 165         int skip_instr;
 166 } patch_info_t;
 167
 168 typedef struct scope {
 169         SLIST_ENTRY(scope) scope_stack_links;
 170         TAILQ_ENTRY(scope) scope_links;
 171         TAILQ_HEAD(, scope) inner_scope;
 172         scope_type type;
 173         int inner_scope_patches;
 174         int begin_addr;
 175         int end_addr;
 176         patch_info_t patches[2];
 177         int func_num;
 178 } scope_t;
 179
 180 TAILQ_HEAD(cs_tailq, critical_section);
 181 SLIST_HEAD(scope_list, scope);
 182 TAILQ_HEAD(scope_tailq, scope);
 183
 184 void    symbol_delete(symbol_t *symbol);
 185
 186 void    symtable_open(void);
 187
 188 void    symtable_close(void);
 189
 190 symbol_t *
 191         symtable_get(char *name);
 192
 193 symbol_node_t *
 194         symlist_search(symlist_t *symlist, char *symname);
 195
 196 void
 197         symlist_add(symlist_t *symlist, symbol_t *symbol, int how);
 198 #define SYMLIST_INSERT_HEAD     0x00
 199 #define SYMLIST_SORT            0x01
 200
 201 void    symlist_free(symlist_t *symlist);
 202
 203 void    symlist_merge(symlist_t *symlist_dest, symlist_t *symlist_src1,
 204                       symlist_t *symlist_src2);
 205 void    symtable_dump(FILE *ofile, FILE *dfile);