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annotate lwlink/lwlink.h @ 536:33a59e232a5b

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Fix basic output target to keep lines below 249 characters The line length limiter in the basic output was not properly moving to the next before 249 characters, which is the limit Color Basic can read in an ASCII basic program. Changed the line limiter to 240 from 247 to account for a possible 5 digit number plus a comma and just a bit of extra breathing space.
author William Astle <lost@l-w.ca>
date Thu, 16 Jun 2022 13:55:34 -0600
parents 1744f2d1a821
children cde1a5a48636
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 /*
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2 lwlink.h
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3 Copyright © 2009 William Astle
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4
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5 This file is part of LWLINK.
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6
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7 LWLINK is free software: you can redistribute it and/or modify it under the
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8 terms of the GNU General Public License as published by the Free Software
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9 Foundation, either version 3 of the License, or (at your option) any later
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10 version.
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11
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12 This program is distributed in the hope that it will be useful, but WITHOUT
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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15 more details.
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16
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17 You should have received a copy of the GNU General Public License along with
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18 this program. If not, see <http://www.gnu.org/licenses/>.
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19
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20 Contains the main defs used by the linker
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21 */
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24 #ifndef __lwlink_h_seen__
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25 #define __lwlink_h_seen__
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26
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27 #include "expr.h"
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28
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29 #define OUTPUT_DECB 0 // DECB multirecord format
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30 #define OUTPUT_RAW 1 // raw sequence of bytes; BSS is just not included
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31 #define OUTPUT_LWEX0 2 // LWOS LWEX binary version 0
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32 #define OUTPUT_OS9 3 // OS9 object code module
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33 #define OUTPUT_SREC 4 // motorola SREC format
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34 #define OUTPUT_RAW2 5 // raw sequence of bytes, BSS converted to NULs
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35
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36 typedef struct symtab_s symtab_t;
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37 struct symtab_s
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38 {
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39 unsigned char *sym; // symbol name
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40 int offset; // local offset
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41 // int realval; // resolved value
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42 symtab_t *next; // next symbol
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43 };
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44
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45 #define RELOC_NORM 0 // all default (16 bit)
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46 #define RELOC_8BIT 1 // only use the low 8 bits for the reloc
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47 typedef struct reloc_s reloc_t;
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48 struct reloc_s
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49 {
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50 int offset; // where in the section
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51 int flags; // flags for the relocation
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52 lw_expr_stack_t *expr; // the expression to calculate it
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53 reloc_t *next; // ptr to next relocation
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54 };
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55
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56 typedef struct fileinfo_s fileinfo_t;
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57
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58 #define SECTION_BSS 1
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59 #define SECTION_CONST 2
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60 typedef struct
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61 {
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62 unsigned char *name; // name of the section
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63 int flags; // section flags
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64 int codesize; // size of the code
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65 unsigned char *code; // pointer to the code
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66 int loadaddress; // the actual load address of the section
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67 int processed; // was the section processed yet?
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68
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69 symtab_t *localsyms; // local symbol table
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70 symtab_t *exportedsyms; // exported symbols table
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71
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72 reloc_t *incompletes; // table of incomplete references
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73
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74 fileinfo_t *file; // the file we are in
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75
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76 int aftersize; // add this many bytes after section on output
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77 unsigned char *afterbytes; // add these bytes after section on output
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78 } section_t;
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79
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80 struct fileinfo_s
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81 {
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82 char *filename;
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83 unsigned char *filedata;
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84 int filesize;
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85 section_t *sections;
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86 int nsections;
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87 int islib; // set to true if the file is a "-l" option
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88
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89 int forced; // set to true if the file is a "forced" include
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90
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91 // "sub" files (like in archives or libraries)
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92 int nsubs;
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93 fileinfo_t **subs;
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94 fileinfo_t *parent;
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95 };
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96
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97 struct section_list
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98 {
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99 section_t *ptr; // ptr to section structure
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100 int forceaddr; // was this force to an address by the link script?
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101 };
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102
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103
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104 typedef struct sectopt_s sectopt_t;
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105 struct sectopt_s
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106 {
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107 char *name; // section name
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108 int aftersize; // number of bytes to append to section
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109 unsigned char *afterbytes; // the bytes to store after the section
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110 sectopt_t *next; // next section option
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111 };
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112
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113 #ifndef __link_c_seen__
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114 extern struct section_list *sectlist;
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115 extern int nsects;
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116 extern sectopt_t *section_opts;
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117 #endif
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119
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120 #ifndef __lwlink_c_seen__
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121
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122 extern int debug_level;
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123 extern int outformat;
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124 extern char *outfile;
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125 extern int ninputfiles;
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126 extern fileinfo_t **inputfiles;
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127 extern char *scriptfile;
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128 extern char *entrysym;
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129
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130 extern int nlibdirs;
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131 extern char **libdirs;
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132
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133 extern int nscriptls;
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134 extern char **scriptls;
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135
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136 extern int symerr;
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137
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138 extern char *map_file;
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139
179
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140 extern char *sysroot;
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141
0
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142 #define __lwlink_E__ extern
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143 #else
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144 #define __lwlink_E__
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145 #endif // __lwlink_c_seen__
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146
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147 __lwlink_E__ void add_input_file(char *fn);
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148 __lwlink_E__ void add_input_library(char *fn);
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149 __lwlink_E__ void add_library_search(char *fn);
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150 __lwlink_E__ void add_section_base(char *fn);
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151 __lwlink_E__ char *sanitize_symbol(char *sym);
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152
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153 #undef __lwlink_E__
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154
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155 struct scriptline_s
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156 {
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157 char *sectname; // name of section, NULL for wildcard
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158 int loadat; // address to load at (or -1)
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159 int noflags; // flags to NOT have
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160 int yesflags; // flags to HAVE
315
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161 int growsdown; // sections are placed descending in memory
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162 };
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163
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164 typedef struct
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165 {
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166 int nlines; // number of lines in the script
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167 struct scriptline_s *lines; // the parsed script lines (section)
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168 int padsize; // the size to pad to, -1 for none
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169 char *execsym; // entry point symbol
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170 int execaddr; // execution address (entry point)
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171 int stacksize; // stack size
148
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172 int modtype; // module type
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173 int modlang; // module language
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174 int modattr; // module attributes
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175 int modrev; // module revision
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176 int edition; // module edition
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177 char *name; // module name
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178 char *basesympat; // pattern for section base symbol (%s for section name)
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179 char *lensympat; // pattern for section length symbol (%s for section name)
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180 } linkscript_t;
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181
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182 #ifndef __script_c_seen__
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183 extern linkscript_t linkscript;
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184 #endif
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185
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186 typedef struct symlist_s symlist_t;
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187
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188 struct symlist_s
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189 {
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190 char *sym;
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191 int val;
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192 symlist_t *next;
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193
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194 };
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195
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196 extern symlist_t *symlist;
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197
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198 #endif //__lwlink_h_seen__