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#include "../queue.h"
  46
  47typedef 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
  64typedef enum {
  65        RO = 0x01,
  66        WO = 0x02,
  67        RW = 0x03
  68}amode_t;
  69
  70typedef SLIST_HEAD(symlist, symbol_node) symlist_t;
  71
  72struct 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
  82struct field_info {
  83        symlist_t symrefs;
  84        uint8_t   value;
  85        uint8_t   mask;
  86};
  87
  88struct const_info {
  89        u_int   value;
  90        int     define;
  91};
  92
  93struct alias_info {
  94        struct symbol *parent;
  95};
  96
  97struct label_info {
  98        int     address;
  99        int     exported;
 100};
 101
 102struct cond_info {
 103        int     func_num;
 104};
 105
 106struct macro_arg {
 107        STAILQ_ENTRY(macro_arg) links;
 108        regex_t arg_regex;
 109        char   *replacement_text;
 110};
 111STAILQ_HEAD(macro_arg_list, macro_arg) args;
 112
 113struct macro_info {
 114        struct macro_arg_list args;
 115        int   narg;
 116        const char* body;
 117};
 118
 119typedef struct expression_info {
 120        symlist_t       referenced_syms;
 121        int             value;
 122} expression_t;
 123
 124typedef 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
 140typedef struct symbol_ref {
 141        symbol_t *symbol;
 142        int      offset;
 143} symbol_ref_t;
 144
 145typedef struct symbol_node {
 146        SLIST_ENTRY(symbol_node) links;
 147        symbol_t *symbol;
 148} symbol_node_t;
 149
 150typedef struct critical_section {
 151        TAILQ_ENTRY(critical_section) links;
 152        int begin_addr;
 153        int end_addr;
 154} critical_section_t;
 155
 156typedef enum {
 157        SCOPE_ROOT,
 158        SCOPE_IF,
 159        SCOPE_ELSE_IF,
 160        SCOPE_ELSE
 161} scope_type;
 162
 163typedef struct patch_info {
 164        int skip_patch;
 165        int skip_instr;
 166} patch_info_t;
 167
 168typedef 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
 180TAILQ_HEAD(cs_tailq, critical_section);
 181SLIST_HEAD(scope_list, scope);
 182TAILQ_HEAD(scope_tailq, scope);
 183
 184void    symbol_delete(symbol_t *symbol);
 185
 186void    symtable_open(void);
 187
 188void    symtable_close(void);
 189
 190symbol_t *
 191        symtable_get(char *name);
 192
 193symbol_node_t *
 194        symlist_search(symlist_t *symlist, char *symname);
 195
 196void
 197        symlist_add(symlist_t *symlist, symbol_t *symbol, int how);
 198#define SYMLIST_INSERT_HEAD     0x00
 199#define SYMLIST_SORT            0x01
 200
 201void    symlist_free(symlist_t *symlist);
 202
 203void    symlist_merge(symlist_t *symlist_dest, symlist_t *symlist_src1,
 204                      symlist_t *symlist_src2);
 205void    symtable_dump(FILE *ofile, FILE *dfile);
 206