aicasm_symbol.h

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    1 /*-
    2  * Aic7xxx SCSI host adapter firmware asssembler symbol table definitions
    3  *
    4  * SPDX-License-Identifier: BSD-3-Clause
    5  *
    6  * Copyright (c) 1997 Justin T. Gibbs.
    7  * Copyright (c) 2002 Adaptec Inc.
    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  *    without modification.
   16  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
   17  *    substantially similar to the "NO WARRANTY" disclaimer below
   18  *    ("Disclaimer") and any redistribution must be conditioned upon
   19  *    including a substantially similar Disclaimer requirement for further
   20  *    binary redistribution.
   21  * 3. Neither the names of the above-listed copyright holders nor the names
   22  *    of any contributors may be used to endorse or promote products derived
   23  *    from this software without specific prior written permission.
   24  *
   25  * Alternatively, this software may be distributed under the terms of the
   26  * GNU General Public License ("GPL") version 2 as published by the Free
   27  * Software Foundation.
   28  *
   29  * NO WARRANTY
   30  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
   31  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
   32  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
   33  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
   34  * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   35  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   36  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   37  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
   38  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
   39  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
   40  * POSSIBILITY OF SUCH DAMAGES.
   41  *
   42  * $Id: //depot/aic7xxx/aic7xxx/aicasm/aicasm_symbol.h#17 $
   43  *
   44  * $FreeBSD$
   45  */
   46 
   47 #include <sys/queue.h>
   48 
   49 typedef enum {
   50         UNINITIALIZED,
   51         REGISTER,
   52         ALIAS,
   53         SCBLOC,
   54         SRAMLOC,
   55         ENUM_ENTRY,
   56         FIELD,
   57         MASK,
   58         ENUM,
   59         CONST,
   60         DOWNLOAD_CONST,
   61         LABEL,
   62         CONDITIONAL,
   63         MACRO
   64 } symtype;
   65 
   66 typedef enum {
   67         RO = 0x01,
   68         WO = 0x02,
   69         RW = 0x03
   70 }amode_t;
   71 
   72 typedef SLIST_HEAD(symlist, symbol_node) symlist_t;
   73 
   74 struct reg_info {
   75         u_int     address;
   76         int       size;
   77         amode_t   mode;
   78         symlist_t fields;
   79         uint8_t   valid_bitmask;
   80         uint8_t   modes;
   81         int       typecheck_masks;
   82 };
   83 
   84 struct field_info {
   85         symlist_t symrefs;
   86         uint8_t   value;
   87         uint8_t   mask;
   88 };
   89 
   90 struct const_info {
   91         u_int   value;
   92         int     define;
   93 };
   94 
   95 struct alias_info {
   96         struct symbol *parent;
   97 };
   98 
   99 struct label_info {
  100         int     address;
  101         int     exported;
  102 };
  103 
  104 struct cond_info {
  105         int     func_num;
  106 };
  107 
  108 struct macro_arg {
  109         STAILQ_ENTRY(macro_arg) links;
  110         regex_t arg_regex;
  111         char   *replacement_text;
  112 };
  113 STAILQ_HEAD(macro_arg_list, macro_arg);
  114 
  115 struct macro_info {
  116         struct macro_arg_list args;
  117         int   narg;
  118         const char* body;
  119 };
  120 
  121 typedef struct expression_info {
  122         symlist_t       referenced_syms;
  123         int             value;
  124 } expression_t;
  125 
  126 typedef struct symbol {
  127         char    *name;
  128         symtype type;
  129         union   {
  130                 struct reg_info   *rinfo;
  131                 struct field_info *finfo;
  132                 struct const_info *cinfo;
  133                 struct alias_info *ainfo;
  134                 struct label_info *linfo;
  135                 struct cond_info  *condinfo;
  136                 struct macro_info *macroinfo;
  137         }info;
  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(const 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);

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FreeBSD/Linux Kernel Cross Reference sys/dev/aic7xxx/aicasm/aicasm_symbol.h

FreeBSD/Linux Kernel Cross Reference
sys/dev/aic7xxx/aicasm/aicasm_symbol.h