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annotate lwasm/main.c @ 362:d149e2b56981

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Silence tautological comparison warnings Because "char" may be signed or unsigned depending on the system, comparing for byte values 128...255 has to be forced as an unsigned comparison to be portable and clear. Modify two such comparisons in the symbol handling code to treat the symbol offset as a pointer to unsigned. This quiets tautological comparison warnings on systems with an 8 bit signed type as the default char type.
author William Astle <lost@l-w.ca>
date Tue, 26 May 2015 23:42:00 -0600
parents 5d401d1eb3e9
children 3f8abaac214c
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>
2
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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 { "6800compat", 0x200, 0, 0, "Enable 6800 compatibility instructions, equivalent to --pragma=6800compat" },
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63 { 0 }
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64 };
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65
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66
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67 static int parse_opts(int key, char *arg, void *state)
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68 {
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69 asmstate_t *as = state;
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70
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71 switch (key)
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72 {
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73 case 'I':
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74 lw_stringlist_addstring(as -> include_list, arg);
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75 break;
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76
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77 case 'D':
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78 {
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79 char *offs;
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80 int val = 1;
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81 lw_expr_t te;
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82
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83 if ((offs = strchr(arg, '=')))
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84 {
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85 *offs = '\0';
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86 val = strtol(offs + 1, NULL, 0);
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87 }
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88
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89 /* register global symbol */
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90 te = lw_expr_build(lw_expr_type_int, val);
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91 register_symbol(as, NULL, arg, te, symbol_flag_nocheck | symbol_flag_set);
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92 lw_expr_destroy(te);
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93
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94 if (offs)
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95 *offs = '=';
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96 break;
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97 }
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98 case 'o':
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99 if (as -> output_file)
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100 lw_free(as -> output_file);
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101 as -> output_file = lw_strdup(arg);
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102 break;
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103
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104 case 'd':
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105 #ifdef LWASM_NODEBUG
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106 fprintf(stderr, "This binary has been built without debugging message support\n");
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107 #else
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108 if (!arg)
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109 as -> debug_level = 50;
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110 else
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111 as -> debug_level = atoi(arg);
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112 #endif
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113 break;
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114
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115 case 'l':
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116 if (as -> list_file)
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117 lw_free(as -> list_file);
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118 if (!arg)
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119 as -> list_file = lw_strdup("-");
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120 else
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121 as -> list_file = lw_strdup(arg);
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122 as -> flags |= FLAG_LIST;
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123 break;
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124
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125 case 's':
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126 as -> flags |= FLAG_SYMBOLS;
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127 break;
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128
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129 case 'b':
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130 as -> output_format = OUTPUT_DECB;
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131 break;
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132
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133 case 'r':
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134 as -> output_format = OUTPUT_RAW;
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135 break;
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136
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
137 case 0x100:
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 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
139 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
140
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
141 case 0x101:
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
142 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
143 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
144
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
145 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
146 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
147 break;
222
03f7192fcd20 Add --unicorns option for IDE integration
William Astle <lost@l-w.ca>
parents: 219
diff changeset
148
224
3864d96ee8c7 Make unicorns notice referenced files better
William Astle <lost@l-w.ca>
parents: 222
diff changeset
149 case 0x142:
222
03f7192fcd20 Add --unicorns option for IDE integration
William Astle <lost@l-w.ca>
parents: 219
diff changeset
150 as -> flags |= FLAG_UNICORNS;
03f7192fcd20 Add --unicorns option for IDE integration
William Astle <lost@l-w.ca>
parents: 219
diff changeset
151 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
152
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
153 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
154 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
155 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
156 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
157 as -> output_format = OUTPUT_RAW;
276
49010c6653e7 Re-enable rawrel output format
William Astle <lost@l-w.ca>
parents: 249
diff changeset
158 else if (!strcasecmp(arg, "rawrel"))
49010c6653e7 Re-enable rawrel output format
William Astle <lost@l-w.ca>
parents: 249
diff changeset
159 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
160 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
161 as -> output_format = OUTPUT_OBJ;
321
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents: 276
diff changeset
162 else if (!strcasecmp(arg, "srec"))
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents: 276
diff changeset
163 as -> output_format = OUTPUT_SREC;
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents: 276
diff changeset
164 else if (!strcasecmp(arg, "ihex"))
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents: 276
diff changeset
165 as -> output_format = OUTPUT_IHEX;
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents: 276
diff changeset
166 else if (!strcasecmp(arg, "hex"))
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents: 276
diff changeset
167 as -> output_format = OUTPUT_HEX;
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
168 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
169 {
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 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
171 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
172 }
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 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
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 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
176 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
177 }
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 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
179
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 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
181 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
182 {
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 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
184 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
185 }
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
186 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
187
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
188 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
189 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
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
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
192 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
193 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
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
219
afd50d6b4113 Add --preprocess option
William Astle <lost@l-w.ca>
parents: 212
diff changeset
196 case 'P':
afd50d6b4113 Add --preprocess option
William Astle <lost@l-w.ca>
parents: 212
diff changeset
197 as -> preprocess = 1;
afd50d6b4113 Add --preprocess option
William Astle <lost@l-w.ca>
parents: 212
diff changeset
198 break;
333
507f442dc71e Add support for 6800 compatibility instructions.
William Astle <lost@l-w.ca>
parents: 321
diff changeset
199
507f442dc71e Add support for 6800 compatibility instructions.
William Astle <lost@l-w.ca>
parents: 321
diff changeset
200 case 0x200:
507f442dc71e Add support for 6800 compatibility instructions.
William Astle <lost@l-w.ca>
parents: 321
diff changeset
201 as -> pragmas |= PRAGMA_6800COMPAT;
507f442dc71e Add support for 6800 compatibility instructions.
William Astle <lost@l-w.ca>
parents: 321
diff changeset
202 break;
219
afd50d6b4113 Add --preprocess option
William Astle <lost@l-w.ca>
parents: 212
diff changeset
203
7
917b608b8c66 Switched lwasm to lw_cmdline from argp
lost@l-w.ca
parents: 2
diff changeset
204 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
205 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
206
7
917b608b8c66 Switched lwasm to lw_cmdline from argp
lost@l-w.ca
parents: 2
diff changeset
207 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
208 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
209 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
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 default:
7
917b608b8c66 Switched lwasm to lw_cmdline from argp
lost@l-w.ca
parents: 2
diff changeset
212 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
213 }
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 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
215 }
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
7
917b608b8c66 Switched lwasm to lw_cmdline from argp
lost@l-w.ca
parents: 2
diff changeset
217 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
218 {
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 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
220 parse_opts,
7
917b608b8c66 Switched lwasm to lw_cmdline from argp
lost@l-w.ca
parents: 2
diff changeset
221 "INPUTFILE",
917b608b8c66 Switched lwasm to lw_cmdline from argp
lost@l-w.ca
parents: 2
diff changeset
222 "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
223 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
224 };
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
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 /*
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
227 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
228 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
229 */
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 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
231 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
232 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
233 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
234 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
235 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
236 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
237 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
238 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
239 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
240 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
241 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
242 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
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 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
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 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
247 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
248 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
249 } 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
250 { "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
251 { "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
252 { "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
253 { "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
254 { "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
255 { "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
256 { "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
257 { 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
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
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
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 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
262 {
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
263 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
264
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 /* 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
266 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
267 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
268
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 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
270 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
271 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
272 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
273
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 /* initialize assembler state */
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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275 asmstate.include_list = lw_stringlist_create();
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276 asmstate.input_files = lw_stringlist_create();
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277 asmstate.nextcontext = 1;
212
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278 asmstate.target = TARGET_6309;
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279
0
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280 /* parse command line arguments */
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917b608b8c66 Switched lwasm to lw_cmdline from argp
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281 lw_cmdline_parse(&cmdline_parser, argc, argv, 0, 0, &asmstate);
0
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282
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283 if (!asmstate.output_file)
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284 {
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285 asmstate.output_file = lw_strdup("a.out");
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286 }
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287
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288 input_init(&asmstate);
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289
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290 for (passnum = 0; passlist[passnum].fn; passnum++)
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291 {
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292 if ((asmstate.flags & FLAG_DEPEND) && passlist[passnum].fordep == 0)
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293 continue;
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ceab04fd2969 Fixed premature installation of external reference under UNDEFEXTERN pragma; should not resolve to external references until after the initial parsing pass
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294 asmstate.passno = passnum;
0
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295 debug_message(&asmstate, 50, "Doing pass %d (%s)\n", passnum, passlist[passnum].passname);
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296 (passlist[passnum].fn)(&asmstate);
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297 debug_message(&asmstate, 50, "After pass %d (%s)\n", passnum, passlist[passnum].passname);
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298 dump_state(&asmstate);
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299
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300 if (asmstate.preprocess)
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301 {
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302 /* we're done if we were preprocessing */
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303 exit(0);
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304 }
0
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305 if (asmstate.errorcount > 0)
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306 {
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1f77ae5c3590 Added --dependnoerr flag to list dependencies on non-existent files without bailing out; also suppress error reports during dependency generation
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307 if (asmstate.flags & FLAG_DEPEND)
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308 {
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309 // don't show errors during dependency scanning but
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310 // stop processing immediately
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311 break;
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312 }
226
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313 if (asmstate.flags & FLAG_UNICORNS)
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314 lwasm_do_unicorns(&asmstate);
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315 else
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316 lwasm_show_errors(&asmstate);
0
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317 exit(1);
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318 }
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319 }
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320
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321 if (asmstate.flags & FLAG_DEPEND)
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322 {
224
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323 // output dependencies (other than "includebin")
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324 char *n;
0
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325
224
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326 while ((n = lw_stack_pop(asmstate.includelist)))
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327 {
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328 fprintf(stdout, "%s\n", n);
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329 lw_free(n);
0
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330 }
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331 }
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332 else
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333 {
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334 debug_message(&asmstate, 50, "Doing output");
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335 do_output(&asmstate);
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336 }
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337
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338 debug_message(&asmstate, 50, "Done assembly");
222
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339
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340 if (asmstate.flags & FLAG_UNICORNS)
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341 {
224
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342 debug_message(&asmstate, 50, "Invoking unicorns");
222
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343 lwasm_do_unicorns(&asmstate);
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344 }
229
164487152dd9 Add flag to output stream for end of unicorns
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345 do_list(&asmstate);
0
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346 exit(0);
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347 }