Mercurial > hg > index.cgi
annotate lwasm/main.c @ 395:26d2791672b1
Update the "ld" wrapper
Thanks to Tormod Volden <lists.tormod@gmail.com> for these updates to the
"ld" wrapper for using lwtools with gcc6809.
In theory the changes shouldn't cause any problems.
author | William Astle <lost@l-w.ca> |
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date | Mon, 20 Jul 2015 17:48:51 -0600 |
parents | 1ebb5a0b2874 |
children | 4411a6123716 |
rev | line source |
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1 /* |
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2 main.c |
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3 |
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4 Copyright © 2010 William Astle |
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5 |
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6 This file is part of LWTOOLS. |
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7 |
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8 LWTOOLS is free software: you can redistribute it and/or modify it under the |
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9 terms of the GNU General Public License as published by the Free Software |
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10 Foundation, either version 3 of the License, or (at your option) any later |
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11 version. |
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12 |
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13 This program is distributed in the hope that it will be useful, but WITHOUT |
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14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
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16 more details. |
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17 |
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18 You should have received a copy of the GNU General Public License along with |
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19 this program. If not, see <http://www.gnu.org/licenses/>. |
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20 */ |
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21 |
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22 #include <stdio.h> |
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23 #include <stdlib.h> |
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24 #include <string.h> |
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25 |
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26 #include <lw_alloc.h> |
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27 #include <lw_string.h> |
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28 #include <lw_stringlist.h> |
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29 #include <lw_expr.h> |
7 | 30 #include <lw_cmdline.h> |
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31 |
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32 #include "lwasm.h" |
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33 #include "input.h" |
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34 |
374 | 35 void lwasm_do_unicorns(asmstate_t *as); |
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36 |
374 | 37 int parse_pragma_string(asmstate_t *as, char *str, int ignoreerr); |
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38 |
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39 /* command line option handling */ |
7 | 40 #define PROGVER "lwasm from " PACKAGE_STRING |
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41 char *program_name; |
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42 |
7 | 43 static struct lw_cmdline_options options[] = |
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44 { |
7 | 45 { "output", 'o', "FILE", 0, "Output to FILE"}, |
46 { "debug", 'd', "LEVEL", lw_cmdline_opt_optional, "Set debug mode"}, | |
47 { "format", 'f', "TYPE", 0, "Select output format: decb, raw, obj, os9"}, | |
48 { "list", 'l', "FILE", lw_cmdline_opt_optional, "Generate list [to FILE]"}, | |
49 { "symbols", 's', 0, lw_cmdline_opt_optional, "Generate symbol list in listing, no effect without --list"}, | |
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50 { "symbols-nolocals", 0x103, 0, lw_cmdline_opt_optional, "Same as --symbols but with local labels ignored"}, |
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51 { "tabs", 't', "WIDTH", 0, "Set tab spacing in listing (0=don't expand tabs)" }, |
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52 { "map", 'm', "FILE", lw_cmdline_opt_optional, "Generate map [to FILE]"}, |
7 | 53 { "decb", 'b', 0, 0, "Generate DECB .bin format output, equivalent of --format=decb"}, |
54 { "raw", 'r', 0, 0, "Generate raw binary format output, equivalent of --format=raw"}, | |
55 { "obj", 0x100, 0, 0, "Generate proprietary object file format for later linking, equivalent of --format=obj" }, | |
56 { "depend", 0x101, 0, 0, "Output a dependency list to stdout; do not do any actual output though assembly is completed as usual" }, | |
73
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57 { "dependnoerr", 0x102, 0, 0, "Output a dependency list to stdout; do not do any actual output though assembly is completed as usual; don't bail on missing include files" }, |
7 | 58 { "pragma", 'p', "PRAGMA", 0, "Set an assembler pragma to any value understood by the \"pragma\" pseudo op"}, |
59 { "6809", '9', 0, 0, "Set assembler to 6809 only mode" }, | |
60 { "6309", '3', 0, 0, "Set assembler to 6309 mode (default)" }, | |
61 { "includedir", 'I', "PATH", 0, "Add entry to include path" }, | |
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62 { "define", 'D', "SYM[=VAL]",0, "Automatically define SYM to be VAL (or 1)"}, |
219 | 63 { "preprocess", 'P', 0, 0, "Preprocess macros and conditionals and output revised source to stdout" }, |
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64 { "unicorns", 0x142, 0, 0, "Add sooper sekrit sauce"}, |
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65 { "6800compat", 0x200, 0, 0, "Enable 6800 compatibility instructions, equivalent to --pragma=6800compat" }, |
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66 { 0 } |
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67 }; |
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68 |
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69 |
7 | 70 static int parse_opts(int key, char *arg, void *state) |
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71 { |
7 | 72 asmstate_t *as = state; |
106 | 73 |
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74 switch (key) |
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75 { |
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76 case 'I': |
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77 lw_stringlist_addstring(as -> include_list, arg); |
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78 break; |
101
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79 |
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80 case 'D': |
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81 { |
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82 char *offs; |
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83 int val = 1; |
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84 lw_expr_t te; |
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85 |
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86 if ((offs = strchr(arg, '='))) |
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87 { |
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88 *offs = '\0'; |
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89 val = strtol(offs + 1, NULL, 0); |
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90 } |
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91 |
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92 /* register global symbol */ |
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93 te = lw_expr_build(lw_expr_type_int, val); |
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94 register_symbol(as, NULL, arg, te, symbol_flag_nocheck | symbol_flag_set); |
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95 lw_expr_destroy(te); |
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96 |
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97 if (offs) |
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98 *offs = '='; |
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99 break; |
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100 } |
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101 case 'o': |
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102 if (as -> output_file) |
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103 lw_free(as -> output_file); |
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104 as -> output_file = lw_strdup(arg); |
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105 break; |
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106 |
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107 case 'd': |
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108 #ifdef LWASM_NODEBUG |
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109 fprintf(stderr, "This binary has been built without debugging message support\n"); |
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110 #else |
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111 if (!arg) |
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112 as -> debug_level = 50; |
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113 else |
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114 as -> debug_level = atoi(arg); |
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115 #endif |
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116 break; |
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117 |
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118 case 't': |
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119 if (arg) |
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120 as -> tabwidth = atoi(arg); |
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121 break; |
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122 |
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123 case 'l': |
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124 if (as -> list_file) |
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125 lw_free(as -> list_file); |
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126 if (!arg) |
106 | 127 as -> list_file = lw_strdup("-"); |
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128 else |
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129 as -> list_file = lw_strdup(arg); |
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130 as -> flags |= FLAG_LIST; |
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131 break; |
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132 |
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133 case 'm': |
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134 if (as -> map_file) |
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135 lw_free(as -> map_file); |
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Add map file output and option to suppress local symbols in listings
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136 if (!arg) |
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137 as -> map_file = lw_strdup("-"); |
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138 else |
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139 as -> map_file = lw_strdup(arg); |
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140 as -> flags |= FLAG_MAP; |
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141 break; |
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142 |
0
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143 case 's': |
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144 as -> flags |= FLAG_SYMBOLS; |
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145 break; |
365
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146 |
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Add map file output and option to suppress local symbols in listings
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147 case 0x103: |
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148 as -> flags |= FLAG_SYMBOLS | FLAG_SYMBOLS_NOLOCALS; |
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149 break; |
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150 |
0
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151 case 'b': |
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152 as -> output_format = OUTPUT_DECB; |
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153 break; |
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154 |
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155 case 'r': |
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156 as -> output_format = OUTPUT_RAW; |
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157 break; |
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158 |
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159 case 0x100: |
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160 as -> output_format = OUTPUT_OBJ; |
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161 break; |
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162 |
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163 case 0x101: |
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164 as -> flags |= FLAG_DEPEND; |
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165 break; |
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166 |
73
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Added --dependnoerr flag to list dependencies on non-existent files without bailing out; also suppress error reports during dependency generation
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167 case 0x102: |
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168 as -> flags |= FLAG_DEPEND | FLAG_DEPENDNOERR; |
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Added --dependnoerr flag to list dependencies on non-existent files without bailing out; also suppress error reports during dependency generation
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169 break; |
222
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Add --unicorns option for IDE integration
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170 |
224
3864d96ee8c7
Make unicorns notice referenced files better
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222
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171 case 0x142: |
222
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172 as -> flags |= FLAG_UNICORNS; |
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173 break; |
73
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174 |
0
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175 case 'f': |
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176 if (!strcasecmp(arg, "decb")) |
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177 as -> output_format = OUTPUT_DECB; |
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178 else if (!strcasecmp(arg, "raw")) |
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179 as -> output_format = OUTPUT_RAW; |
276 | 180 else if (!strcasecmp(arg, "rawrel")) |
181 as -> output_format = OUTPUT_RAWREL; | |
0
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182 else if (!strcasecmp(arg, "obj")) |
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183 as -> output_format = OUTPUT_OBJ; |
321
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Add support for Motorola SREC and Intel Hex output formats to lwasm.
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184 else if (!strcasecmp(arg, "srec")) |
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Add support for Motorola SREC and Intel Hex output formats to lwasm.
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185 as -> output_format = OUTPUT_SREC; |
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186 else if (!strcasecmp(arg, "ihex")) |
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187 as -> output_format = OUTPUT_IHEX; |
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188 else if (!strcasecmp(arg, "hex")) |
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189 as -> output_format = OUTPUT_HEX; |
0
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190 else if (!strcasecmp(arg, "os9")) |
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191 { |
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192 as -> pragmas |= PRAGMA_DOLLARNOTLOCAL; |
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193 as -> output_format = OUTPUT_OS9; |
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194 } |
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195 else |
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196 { |
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197 fprintf(stderr, "Invalid output format: %s\n", arg); |
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198 exit(1); |
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199 } |
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200 break; |
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201 |
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202 case 'p': |
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203 if (parse_pragma_string(as, arg, 0) == 0) |
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204 { |
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205 fprintf(stderr, "Unrecognized pragma string: %s\n", arg); |
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206 exit(1); |
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207 } |
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208 break; |
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209 |
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210 case '9': |
367
c6d2a1f54e0c
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366
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211 as -> pragmas |= PRAGMA_6809; |
0
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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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212 break; |
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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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|
213 |
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|
214 case '3': |
367
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215 as -> pragmas &= ~PRAGMA_6809; |
0
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|
216 break; |
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|
217 |
219 | 218 case 'P': |
219 as -> preprocess = 1; | |
220 break; | |
333
507f442dc71e
Add support for 6800 compatibility instructions.
William Astle <lost@l-w.ca>
parents:
321
diff
changeset
|
221 |
507f442dc71e
Add support for 6800 compatibility instructions.
William Astle <lost@l-w.ca>
parents:
321
diff
changeset
|
222 case 0x200: |
507f442dc71e
Add support for 6800 compatibility instructions.
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parents:
321
diff
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|
223 as -> pragmas |= PRAGMA_6800COMPAT; |
507f442dc71e
Add support for 6800 compatibility instructions.
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321
diff
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|
224 break; |
219 | 225 |
7 | 226 case lw_cmdline_key_end: |
0
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227 break; |
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228 |
7 | 229 case lw_cmdline_key_arg: |
0
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230 lw_stringlist_addstring(as -> input_files, arg); |
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|
231 break; |
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|
232 |
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parents:
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233 default: |
7 | 234 return lw_cmdline_err_unknown; |
0
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|
235 } |
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|
236 return 0; |
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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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parents:
diff
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|
237 } |
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|
238 |
7 | 239 static struct lw_cmdline_parser cmdline_parser = |
0
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|
240 { |
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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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parents:
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|
241 options, |
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|
242 parse_opts, |
7 | 243 "INPUTFILE", |
244 "lwasm, a HD6309 and MC6809 cross-assembler\vPlease report bugs to lost@l-w.ca.", | |
245 PROGVER | |
0
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|
246 }; |
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247 |
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|
248 /* |
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|
249 main function; parse command line, set up assembler state, and run the |
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|
250 assembler on the first file |
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251 */ |
374 | 252 void do_pass1(asmstate_t *as); |
253 void do_pass2(asmstate_t *as); | |
254 void do_pass3(asmstate_t *as); | |
255 void do_pass4(asmstate_t *as); | |
256 void do_pass5(asmstate_t *as); | |
257 void do_pass6(asmstate_t *as); | |
258 void do_pass7(asmstate_t *as); | |
259 void do_output(asmstate_t *as); | |
260 void do_list(asmstate_t *as); | |
261 void do_map(asmstate_t *as); | |
262 lw_expr_t lwasm_evaluate_special(int t, void *ptr, void *priv); | |
263 lw_expr_t lwasm_evaluate_var(char *var, void *priv); | |
264 lw_expr_t lwasm_parse_term(char **p, void *priv); | |
265 void lwasm_dividezero(void *priv); | |
0
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266 |
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267 struct passlist_s |
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268 { |
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269 char *passname; |
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270 void (*fn)(asmstate_t *as); |
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271 int fordep; |
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|
272 } passlist[] = { |
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273 { "parse", do_pass1, 1 }, |
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274 { "symcheck", do_pass2 }, |
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275 { "resolve1", do_pass3 }, |
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276 { "resolve2", do_pass4 }, |
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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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277 { "addressresolve", do_pass5 }, |
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278 { "finalize", do_pass6 }, |
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279 { "emit", do_pass7 }, |
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280 { NULL, NULL } |
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281 }; |
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282 |
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283 |
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284 int main(int argc, char **argv) |
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285 { |
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286 int passnum; |
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287 |
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288 /* assembler state */ |
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289 asmstate_t asmstate = { 0 }; |
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290 program_name = argv[0]; |
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291 |
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292 lw_expr_set_special_handler(lwasm_evaluate_special); |
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293 lw_expr_set_var_handler(lwasm_evaluate_var); |
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294 lw_expr_set_term_parser(lwasm_parse_term); |
249
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295 lw_expr_setdivzero(lwasm_dividezero); |
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296 |
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297 /* initialize assembler state */ |
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298 asmstate.include_list = lw_stringlist_create(); |
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299 asmstate.input_files = lw_stringlist_create(); |
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300 asmstate.nextcontext = 1; |
366
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301 asmstate.exprwidth = 16; |
390
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302 asmstate.tabwidth = 8; |
212
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303 |
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304 /* parse command line arguments */ |
7 | 305 lw_cmdline_parse(&cmdline_parser, argc, argv, 0, 0, &asmstate); |
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306 |
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307 if (!asmstate.output_file) |
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308 { |
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309 asmstate.output_file = lw_strdup("a.out"); |
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310 } |
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311 |
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312 input_init(&asmstate); |
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313 |
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314 for (passnum = 0; passlist[passnum].fn; passnum++) |
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315 { |
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316 if ((asmstate.flags & FLAG_DEPEND) && passlist[passnum].fordep == 0) |
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317 continue; |
70
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318 asmstate.passno = passnum; |
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319 debug_message(&asmstate, 50, "Doing pass %d (%s)\n", passnum, passlist[passnum].passname); |
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320 (passlist[passnum].fn)(&asmstate); |
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321 debug_message(&asmstate, 50, "After pass %d (%s)\n", passnum, passlist[passnum].passname); |
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322 dump_state(&asmstate); |
219 | 323 |
324 if (asmstate.preprocess) | |
325 { | |
326 /* we're done if we were preprocessing */ | |
327 exit(0); | |
328 } | |
0
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329 if (asmstate.errorcount > 0) |
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330 { |
73
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331 if (asmstate.flags & FLAG_DEPEND) |
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332 { |
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333 // don't show errors during dependency scanning but |
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334 // stop processing immediately |
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335 break; |
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336 } |
226
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337 if (asmstate.flags & FLAG_UNICORNS) |
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338 lwasm_do_unicorns(&asmstate); |
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339 else |
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340 lwasm_show_errors(&asmstate); |
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341 exit(1); |
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342 } |
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343 } |
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344 |
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345 if (asmstate.flags & FLAG_DEPEND) |
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346 { |
224
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347 // output dependencies (other than "includebin") |
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348 char *n; |
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349 |
224
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350 while ((n = lw_stack_pop(asmstate.includelist))) |
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351 { |
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352 fprintf(stdout, "%s\n", n); |
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353 lw_free(n); |
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354 } |
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355 } |
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356 else |
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357 { |
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358 debug_message(&asmstate, 50, "Doing output"); |
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359 do_output(&asmstate); |
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360 } |
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361 |
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362 debug_message(&asmstate, 50, "Done assembly"); |
222
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363 |
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364 if (asmstate.flags & FLAG_UNICORNS) |
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365 { |
224
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366 debug_message(&asmstate, 50, "Invoking unicorns"); |
222
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367 lwasm_do_unicorns(&asmstate); |
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368 } |
229
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369 do_list(&asmstate); |
365
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370 do_map(&asmstate); |
375 | 371 |
372 if (asmstate.testmode_errorcount > 0) exit(1); | |
373 | |
0
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374 exit(0); |
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375 } |