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annotate lwasm/main.c @ 294:048adfee2933 ccdev

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Checkpoint on lwcc-cpp development This checkpoint includes a tokenizer and basic implementation of #if, #ifdef, #ifndef, #else, #endif, #elif, and #undef along with basic symbol table management.
author William Astle <lost@l-w.ca>
date Tue, 10 Sep 2013 19:56:05 -0600
parents 49010c6653e7
children d4ac484d0ec6
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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>
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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
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35 extern void lwasm_do_unicorns(asmstate_t *as);
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36
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37 extern 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 */
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40 #define PROGVER "lwasm from " PACKAGE_STRING
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41 char *program_name;
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42
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43 static struct lw_cmdline_options options[] =
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44 {
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45 { "output", 'o', "FILE", 0, "Output to FILE"},
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46 { "debug", 'd', "LEVEL", lw_cmdline_opt_optional, "Set debug mode"},
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47 { "format", 'f', "TYPE", 0, "Select output format: decb, raw, obj, os9"},
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48 { "list", 'l', "FILE", lw_cmdline_opt_optional, "Generate list [to FILE]"},
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49 { "symbols", 's', 0, lw_cmdline_opt_optional, "Generate symbol list in listing, no effect without --list"},
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50 { "decb", 'b', 0, 0, "Generate DECB .bin format output, equivalent of --format=decb"},
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51 { "raw", 'r', 0, 0, "Generate raw binary format output, equivalent of --format=raw"},
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52 { "obj", 0x100, 0, 0, "Generate proprietary object file format for later linking, equivalent of --format=obj" },
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53 { "depend", 0x101, 0, 0, "Output a dependency list to stdout; do not do any actual output though assembly is completed as usual" },
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54 { "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" },
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55 { "pragma", 'p', "PRAGMA", 0, "Set an assembler pragma to any value understood by the \"pragma\" pseudo op"},
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56 { "6809", '9', 0, 0, "Set assembler to 6809 only mode" },
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57 { "6309", '3', 0, 0, "Set assembler to 6309 mode (default)" },
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58 { "includedir", 'I', "PATH", 0, "Add entry to include path" },
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59 { "define", 'D', "SYM[=VAL]", 0, "Automatically define SYM to be VAL (or 1)"},
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60 { "preprocess", 'P', 0, 0, "Preprocess macros and conditionals and output revised source to stdout" },
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61 { "unicorns", 0x142, 0, 0, "Add sooper sekrit sauce"},
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62 { 0 }
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63 };
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64
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65
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66 static int parse_opts(int key, char *arg, void *state)
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67 {
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68 asmstate_t *as = state;
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69
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70 switch (key)
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71 {
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72 case 'I':
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73 lw_stringlist_addstring(as -> include_list, arg);
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74 break;
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75
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76 case 'D':
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77 {
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78 char *offs;
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79 int val = 1;
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80 lw_expr_t te;
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81
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82 if ((offs = strchr(arg, '=')))
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83 {
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84 *offs = '\0';
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85 val = strtol(offs + 1, NULL, 0);
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86 }
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87
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88 /* register global symbol */
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89 te = lw_expr_build(lw_expr_type_int, val);
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90 register_symbol(as, NULL, arg, te, symbol_flag_nocheck | symbol_flag_set);
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91 lw_expr_destroy(te);
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92
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93 if (offs)
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94 *offs = '=';
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95 break;
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96 }
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97 case 'o':
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98 if (as -> output_file)
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99 lw_free(as -> output_file);
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100 as -> output_file = lw_strdup(arg);
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101 break;
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102
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103 case 'd':
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104 if (!arg)
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105 as -> debug_level = 50;
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106 else
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107 as -> debug_level = atoi(arg);
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108 break;
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109
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110 case 'l':
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111 if (as -> list_file)
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112 lw_free(as -> list_file);
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113 if (!arg)
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114 as -> list_file = lw_strdup("-");
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115 else
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116 as -> list_file = lw_strdup(arg);
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117 as -> flags |= FLAG_LIST;
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118 break;
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119
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120 case 's':
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121 as -> flags |= FLAG_SYMBOLS;
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122 break;
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123
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124 case 'b':
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125 as -> output_format = OUTPUT_DECB;
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126 break;
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127
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128 case 'r':
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129 as -> output_format = OUTPUT_RAW;
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130 break;
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131
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132 case 0x100:
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133 as -> output_format = OUTPUT_OBJ;
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134 break;
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135
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136 case 0x101:
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diff changeset
137 as -> flags |= FLAG_DEPEND;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
138 break;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
139
73
1f77ae5c3590 Added --dependnoerr flag to list dependencies on non-existent files without bailing out; also suppress error reports during dependency generation
lost@l-w.ca
parents: 70
diff changeset
140 case 0x102:
1f77ae5c3590 Added --dependnoerr flag to list dependencies on non-existent files without bailing out; also suppress error reports during dependency generation
lost@l-w.ca
parents: 70
diff changeset
141 as -> flags |= FLAG_DEPEND | FLAG_DEPENDNOERR;
1f77ae5c3590 Added --dependnoerr flag to list dependencies on non-existent files without bailing out; also suppress error reports during dependency generation
lost@l-w.ca
parents: 70
diff changeset
142 break;
222
03f7192fcd20 Add --unicorns option for IDE integration
William Astle <lost@l-w.ca>
parents: 219
diff changeset
143
224
3864d96ee8c7 Make unicorns notice referenced files better
William Astle <lost@l-w.ca>
parents: 222
diff changeset
144 case 0x142:
222
03f7192fcd20 Add --unicorns option for IDE integration
William Astle <lost@l-w.ca>
parents: 219
diff changeset
145 as -> flags |= FLAG_UNICORNS;
03f7192fcd20 Add --unicorns option for IDE integration
William Astle <lost@l-w.ca>
parents: 219
diff changeset
146 break;
73
1f77ae5c3590 Added --dependnoerr flag to list dependencies on non-existent files without bailing out; also suppress error reports during dependency generation
lost@l-w.ca
parents: 70
diff changeset
147
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
148 case 'f':
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
149 if (!strcasecmp(arg, "decb"))
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
150 as -> output_format = OUTPUT_DECB;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
151 else if (!strcasecmp(arg, "raw"))
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
152 as -> output_format = OUTPUT_RAW;
276
49010c6653e7 Re-enable rawrel output format
William Astle <lost@l-w.ca>
parents: 249
diff changeset
153 else if (!strcasecmp(arg, "rawrel"))
49010c6653e7 Re-enable rawrel output format
William Astle <lost@l-w.ca>
parents: 249
diff changeset
154 as -> output_format = OUTPUT_RAWREL;
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
155 else if (!strcasecmp(arg, "obj"))
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
156 as -> output_format = OUTPUT_OBJ;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
157 else if (!strcasecmp(arg, "os9"))
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
158 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
159 as -> pragmas |= PRAGMA_DOLLARNOTLOCAL;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
160 as -> output_format = OUTPUT_OS9;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
161 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
162 else
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
163 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
164 fprintf(stderr, "Invalid output format: %s\n", arg);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
165 exit(1);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
166 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
167 break;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
168
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
169 case 'p':
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
170 if (parse_pragma_string(as, arg, 0) == 0)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
171 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
172 fprintf(stderr, "Unrecognized pragma string: %s\n", arg);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
173 exit(1);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
174 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
175 break;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
176
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
177 case '9':
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
178 as -> target = TARGET_6809;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
179 break;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
180
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
181 case '3':
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
182 as -> target = TARGET_6309;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
183 break;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
184
219
afd50d6b4113 Add --preprocess option
William Astle <lost@l-w.ca>
parents: 212
diff changeset
185 case 'P':
afd50d6b4113 Add --preprocess option
William Astle <lost@l-w.ca>
parents: 212
diff changeset
186 as -> preprocess = 1;
afd50d6b4113 Add --preprocess option
William Astle <lost@l-w.ca>
parents: 212
diff changeset
187 break;
afd50d6b4113 Add --preprocess option
William Astle <lost@l-w.ca>
parents: 212
diff changeset
188
7
917b608b8c66 Switched lwasm to lw_cmdline from argp
lost@l-w.ca
parents: 2
diff changeset
189 case lw_cmdline_key_end:
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
190 break;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
191
7
917b608b8c66 Switched lwasm to lw_cmdline from argp
lost@l-w.ca
parents: 2
diff changeset
192 case lw_cmdline_key_arg:
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
193 lw_stringlist_addstring(as -> input_files, arg);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
194 break;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
195
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
196 default:
7
917b608b8c66 Switched lwasm to lw_cmdline from argp
lost@l-w.ca
parents: 2
diff changeset
197 return lw_cmdline_err_unknown;
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
198 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
199 return 0;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
200 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
201
7
917b608b8c66 Switched lwasm to lw_cmdline from argp
lost@l-w.ca
parents: 2
diff changeset
202 static struct lw_cmdline_parser cmdline_parser =
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
203 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
204 options,
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
205 parse_opts,
7
917b608b8c66 Switched lwasm to lw_cmdline from argp
lost@l-w.ca
parents: 2
diff changeset
206 "INPUTFILE",
917b608b8c66 Switched lwasm to lw_cmdline from argp
lost@l-w.ca
parents: 2
diff changeset
207 "lwasm, a HD6309 and MC6809 cross-assembler\vPlease report bugs to lost@l-w.ca.",
917b608b8c66 Switched lwasm to lw_cmdline from argp
lost@l-w.ca
parents: 2
diff changeset
208 PROGVER
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
209 };
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
210
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
211 /*
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
212 main function; parse command line, set up assembler state, and run the
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
213 assembler on the first file
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
214 */
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
215 extern void do_pass1(asmstate_t *as);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
216 extern void do_pass2(asmstate_t *as);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
217 extern void do_pass3(asmstate_t *as);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
218 extern void do_pass4(asmstate_t *as);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
219 extern void do_pass5(asmstate_t *as);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
220 extern void do_pass6(asmstate_t *as);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
221 extern void do_pass7(asmstate_t *as);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
222 extern void do_output(asmstate_t *as);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
223 extern void do_list(asmstate_t *as);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
224 extern lw_expr_t lwasm_evaluate_special(int t, void *ptr, void *priv);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
225 extern lw_expr_t lwasm_evaluate_var(char *var, void *priv);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
226 extern lw_expr_t lwasm_parse_term(char **p, void *priv);
249
1f1a28b797e1 Add trap for divide by zero in expression library
William Astle <lost@l-w.ca>
parents: 229
diff changeset
227 extern void lwasm_dividezero(void *priv);
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
228
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
229 struct passlist_s
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
230 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
231 char *passname;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
232 void (*fn)(asmstate_t *as);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
233 int fordep;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
234 } passlist[] = {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
235 { "parse", do_pass1, 1 },
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
236 { "symcheck", do_pass2 },
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
237 { "resolve1", do_pass3 },
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
238 { "resolve2", do_pass4 },
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
239 { "addressresolve", do_pass5 },
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
240 { "finalize", do_pass6 },
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
241 { "emit", do_pass7 },
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
242 { NULL, NULL }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
243 };
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
244
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
245
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
246 int main(int argc, char **argv)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
247 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
248 int passnum;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
249
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
250 /* assembler state */
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
251 asmstate_t asmstate = { 0 };
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
252 program_name = argv[0];
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
253
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
254 lw_expr_set_special_handler(lwasm_evaluate_special);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
255 lw_expr_set_var_handler(lwasm_evaluate_var);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
256 lw_expr_set_term_parser(lwasm_parse_term);
249
1f1a28b797e1 Add trap for divide by zero in expression library
William Astle <lost@l-w.ca>
parents: 229
diff changeset
257 lw_expr_setdivzero(lwasm_dividezero);
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
258
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
259 /* initialize assembler state */
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
260 asmstate.include_list = lw_stringlist_create();
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
261 asmstate.input_files = lw_stringlist_create();
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
262 asmstate.nextcontext = 1;
212
b0d53e2f3f53 Make --6309/--6809 work properly
William Astle <lost@l-w.ca>
parents: 186
diff changeset
263 asmstate.target = TARGET_6309;
b0d53e2f3f53 Make --6309/--6809 work properly
William Astle <lost@l-w.ca>
parents: 186
diff changeset
264
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
265 /* parse command line arguments */
7
917b608b8c66 Switched lwasm to lw_cmdline from argp
lost@l-w.ca
parents: 2
diff changeset
266 lw_cmdline_parse(&cmdline_parser, argc, argv, 0, 0, &asmstate);
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
267
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
268 if (!asmstate.output_file)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
269 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
270 asmstate.output_file = lw_strdup("a.out");
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
271 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
272
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
273 input_init(&asmstate);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
274
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
275 for (passnum = 0; passlist[passnum].fn; passnum++)
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276 {
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277 if ((asmstate.flags & FLAG_DEPEND) && passlist[passnum].fordep == 0)
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278 continue;
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279 asmstate.passno = passnum;
0
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280 debug_message(&asmstate, 50, "Doing pass %d (%s)\n", passnum, passlist[passnum].passname);
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281 (passlist[passnum].fn)(&asmstate);
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282 debug_message(&asmstate, 50, "After pass %d (%s)\n", passnum, passlist[passnum].passname);
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283 dump_state(&asmstate);
219
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284
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285 if (asmstate.preprocess)
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286 {
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287 /* we're done if we were preprocessing */
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288 exit(0);
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289 }
0
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290 if (asmstate.errorcount > 0)
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291 {
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292 if (asmstate.flags & FLAG_DEPEND)
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293 {
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294 // don't show errors during dependency scanning but
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295 // stop processing immediately
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296 break;
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297 }
226
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298 if (asmstate.flags & FLAG_UNICORNS)
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299 lwasm_do_unicorns(&asmstate);
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300 else
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301 lwasm_show_errors(&asmstate);
0
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302 exit(1);
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303 }
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304 }
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305
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306 if (asmstate.flags & FLAG_DEPEND)
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307 {
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308 // output dependencies (other than "includebin")
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309 char *n;
0
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310
224
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311 while ((n = lw_stack_pop(asmstate.includelist)))
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312 {
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313 fprintf(stdout, "%s\n", n);
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314 lw_free(n);
0
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315 }
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316 }
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317 else
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318 {
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319 debug_message(&asmstate, 50, "Doing output");
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320 do_output(&asmstate);
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321 }
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322
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323 debug_message(&asmstate, 50, "Done assembly");
222
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324
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325 if (asmstate.flags & FLAG_UNICORNS)
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326 {
224
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327 debug_message(&asmstate, 50, "Invoking unicorns");
222
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328 lwasm_do_unicorns(&asmstate);
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329 }
229
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330 do_list(&asmstate);
0
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331 exit(0);
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332 }