linux/drivers/scsi/aic7xxx/aicasm/aicasm_symbol.h
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   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#ifdef __linux__
  46#include "../queue.h"
  47#else
  48#include <sys/queue.h>
  49#endif
  50
  51typedef 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
  68typedef enum {
  69        RO = 0x01,
  70        WO = 0x02,
  71        RW = 0x03
  72}amode_t;
  73
  74typedef SLIST_HEAD(symlist, symbol_node) symlist_t;
  75
  76struct 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
  86struct field_info {
  87        symlist_t symrefs;
  88        uint8_t   value;
  89        uint8_t   mask;
  90};
  91
  92struct const_info {
  93        u_int   value;
  94        int     define;
  95};
  96
  97struct alias_info {
  98        struct symbol *parent;
  99};
 100
 101struct label_info {
 102        int     address;
 103        int     exported;
 104};
 105
 106struct cond_info {
 107        int     func_num;
 108};
 109
 110struct macro_arg {
 111        STAILQ_ENTRY(macro_arg) links;
 112        regex_t arg_regex;
 113        char   *replacement_text;
 114};
 115STAILQ_HEAD(macro_arg_list, macro_arg) args;
 116
 117struct macro_info {
 118        struct macro_arg_list args;
 119        int   narg;
 120        const char* body;
 121};
 122
 123typedef struct expression_info {
 124        symlist_t       referenced_syms;
 125        int             value;
 126} expression_t;
 127
 128typedef struct symbol {
 129        char    *name;
 130        symtype type;
 131        int     count;
 132        union   {
 133                struct reg_info   *rinfo;
 134                struct field_info *finfo;
 135                struct const_info *cinfo;
 136                struct alias_info *ainfo;
 137                struct label_info *linfo;
 138                struct cond_info  *condinfo;
 139                struct macro_info *macroinfo;
 140        } info;
 141        int     dont_generate_debug_code;
 142} symbol_t;
 143
 144typedef struct symbol_ref {
 145        symbol_t *symbol;
 146        int      offset;
 147} symbol_ref_t;
 148
 149typedef struct symbol_node {
 150        SLIST_ENTRY(symbol_node) links;
 151        symbol_t *symbol;
 152} symbol_node_t;
 153
 154typedef struct critical_section {
 155        TAILQ_ENTRY(critical_section) links;
 156        int begin_addr;
 157        int end_addr;
 158} critical_section_t;
 159
 160typedef enum {
 161        SCOPE_ROOT,
 162        SCOPE_IF,
 163        SCOPE_ELSE_IF,
 164        SCOPE_ELSE
 165} scope_type;
 166
 167typedef struct patch_info {
 168        int skip_patch;
 169        int skip_instr;
 170} patch_info_t;
 171
 172typedef struct scope {
 173        SLIST_ENTRY(scope) scope_stack_links;
 174        TAILQ_ENTRY(scope) scope_links;
 175        TAILQ_HEAD(, scope) inner_scope;
 176        scope_type type;
 177        int inner_scope_patches;
 178        int begin_addr;
 179        int end_addr;
 180        patch_info_t patches[2];
 181        int func_num;
 182} scope_t;
 183
 184TAILQ_HEAD(cs_tailq, critical_section);
 185SLIST_HEAD(scope_list, scope);
 186TAILQ_HEAD(scope_tailq, scope);
 187
 188void    symbol_delete(symbol_t *symbol);
 189
 190void    symtable_open(void);
 191
 192void    symtable_close(void);
 193
 194symbol_t *
 195        symtable_get(char *name);
 196
 197symbol_node_t *
 198        symlist_search(symlist_t *symlist, char *symname);
 199
 200void
 201        symlist_add(symlist_t *symlist, symbol_t *symbol, int how);
 202#define SYMLIST_INSERT_HEAD     0x00
 203#define SYMLIST_SORT            0x01
 204
 205void    symlist_free(symlist_t *symlist);
 206
 207void    symlist_merge(symlist_t *symlist_dest, symlist_t *symlist_src1,
 208                      symlist_t *symlist_src2);
 209void    symtable_dump(FILE *ofile, FILE *dfile);
 210