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323
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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 <config.h>
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23
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24 #include <argp.h>
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25 #include <stdio.h>
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26 #include <stdlib.h>
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27
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28 #include "lwasm.h"
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29
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30 /* command line option handling */
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31 const char *argp_program_version = "lwasm from " PACKAGE_STRING;
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32 const char *argp_program_bug_address = PACKAGE_BUGREPORT;
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33 char *program_name;
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34
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35 static struct argp_option options[] =
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36 {
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37 { "output", 'o', "FILE", 0, "Output to FILE"},
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38 { "debug", 'd', 0, 0, "Set debug mode"},
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39 { "format", 'f', "TYPE", 0, "Select output format: decb, raw, obj, os9"},
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40 { "list", 'l', "FILE", OPTION_ARG_OPTIONAL, "Generate list [to FILE]"},
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41 { "decb", 'b', 0, 0, "Generate DECB .bin format output, equivalent of --format=decb"},
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42 { "raw", 'r', 0, 0, "Generate raw binary format output, equivalent of --format=raw"},
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43 { "obj", 0x100, 0, 0, "Generate proprietary object file format for later linking, equivalent of --format=obj" },
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44 { "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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45 { "pragma", 'p', "PRAGMA", 0, "Set an assembler pragma to any value understood by the \"pragma\" pseudo op"},
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46 { "6809", '9', 0, 0, "Set assembler to 6809 only mode" },
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47 { "6309", '3', 0, 0, "Set assembler to 6309 mode (default)" },
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48 { "includedir", 'I', "PATH", 0, "Add entry to include path" },
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49 { 0 }
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50 };
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51
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52
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53 static error_t parse_opts(int key, char *arg, struct argp_state *state)
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54 {
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55 asmstate_t *as = state -> input;
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56
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57 switch (key)
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58 {
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59 case 'I':
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60 case 'o':
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61 case 'd':
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62 as -> debug_level++;
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63 break;
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64
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65 case 'l':
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66
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67 case 'b':
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68 as -> output_format = OUTPUT_DECB;
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69 break;
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70
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71 case 'r':
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72 as -> output_format = OUTPUT_RAW;
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73 break;
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74
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75 case 0x100:
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76 as -> output_format = OUTPUT_OBJ;
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77 break;
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78
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79 case 0x101:
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80 case 'f':
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81 if (!strcasecmp(arg, "decb"))
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82 as -> output_format = OUTPUT_DECB;
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83 else if (!strcasecmp(arg, "raw"))
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84 as -> output_format = OUTPUT_RAW;
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85 else if (!strcasecmp(arg, "obj"))
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86 as -> output_format = OUTPUT_OBJ;
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87 else if (!strcasecmp(arg, "os9"))
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88 {
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89 //as -> pragmas |= PRAGMA_DOLLARNOTLOCAL;
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90 as -> output_format = OUTPUT_OS9;
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91 }
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92 else
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93 {
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94 fprintf(stderr, "Invalid output format: %s\n", arg);
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95 exit(1);
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96 }
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97 break;
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98
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99 case 'p':
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100 case '9':
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101 as -> target = TARGET_6809;
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102 break;
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103
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104 case '3':
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105 as -> target = TARGET_6309;
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106 break;
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107
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108 case ARGP_KEY_END:
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109 break;
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110
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111 case ARGP_KEY_ARG:
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112 break;
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113
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114 default:
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115 return ARGP_ERR_UNKNOWN;
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116 }
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117 return 0;
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118 }
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119
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120 static struct argp argp =
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121 {
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122 options,
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123 parse_opts,
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124 "<input file>",
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125 "LWASM, a HD6309 and MC6809 cross-assembler"
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126 };
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127
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128 /*
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129 main function; parse command line, set up assembler state, and run the
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130 assembler on the first file
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131 */
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132 int main(int argc, char **argv)
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133 {
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134 /* assembler state */
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135 asmstate_t asmstate = { 0 };
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136
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137 program_name = argv[0];
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138
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139 argp_parse(&argp, argc, argv, 0, 0, &asmstate);
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140
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141 exit(0);
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142 }
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