Mercurial > hg > index.cgi
annotate lwasm/main.c @ 510:3425005b9980
Fix segfault if no instances of a section are in the final result
If no instances of a section are found to be included in the final linked
binary, print a warning instead of crashing with a segfault.
author | William Astle <lost@l-w.ca> |
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date | Tue, 02 Jun 2020 21:28:47 -0600 |
parents | 7fbf3171ca15 |
children | e10618b48e68 |
rev | line source |
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0
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1 /* |
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2 main.c |
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3 |
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4 Copyright © 2010 William Astle |
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5 |
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6 This file is part of LWTOOLS. |
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7 |
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8 LWTOOLS is free software: you can redistribute it and/or modify it under the |
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9 terms of the GNU General Public License as published by the Free Software |
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10 Foundation, either version 3 of the License, or (at your option) any later |
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11 version. |
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12 |
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13 This program is distributed in the hope that it will be useful, but WITHOUT |
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14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
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16 more details. |
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17 |
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18 You should have received a copy of the GNU General Public License along with |
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19 this program. If not, see <http://www.gnu.org/licenses/>. |
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20 */ |
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21 |
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22 #include <stdio.h> |
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23 #include <stdlib.h> |
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24 #include <string.h> |
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25 |
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26 #include <lw_alloc.h> |
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27 #include <lw_string.h> |
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28 #include <lw_stringlist.h> |
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29 #include <lw_expr.h> |
7 | 30 #include <lw_cmdline.h> |
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31 |
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32 #include "lwasm.h" |
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33 #include "input.h" |
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34 |
374 | 35 void lwasm_do_unicorns(asmstate_t *as); |
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36 |
374 | 37 int parse_pragma_string(asmstate_t *as, char *str, int ignoreerr); |
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38 |
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39 /* command line option handling */ |
7 | 40 #define PROGVER "lwasm from " PACKAGE_STRING |
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41 char *program_name; |
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42 |
7 | 43 static struct lw_cmdline_options options[] = |
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44 { |
7 | 45 { "output", 'o', "FILE", 0, "Output to FILE"}, |
46 { "debug", 'd', "LEVEL", lw_cmdline_opt_optional, "Set debug mode"}, | |
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47 { "format", 'f', "TYPE", 0, "Select output format: decb, basic, raw, obj, os9, ihex, srec"}, |
7 | 48 { "list", 'l', "FILE", lw_cmdline_opt_optional, "Generate list [to FILE]"}, |
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49 { "list-nofiles", 0x104, 0, 0, "Omit file names in list output"}, |
7 | 50 { "symbols", 's', 0, lw_cmdline_opt_optional, "Generate symbol list in listing, no effect without --list"}, |
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51 { "symbols-nolocals", 0x103, 0, lw_cmdline_opt_optional, "Same as --symbols but with local labels ignored"}, |
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52 { "symbol-dump", 0x106, "FILE", lw_cmdline_opt_optional, "Dump global symbol table in assembly format" }, |
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53 { "tabs", 't', "WIDTH", 0, "Set tab spacing in listing (0=don't expand tabs)" }, |
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54 { "map", 'm', "FILE", lw_cmdline_opt_optional, "Generate map [to FILE]"}, |
7 | 55 { "decb", 'b', 0, 0, "Generate DECB .bin format output, equivalent of --format=decb"}, |
56 { "raw", 'r', 0, 0, "Generate raw binary format output, equivalent of --format=raw"}, | |
57 { "obj", 0x100, 0, 0, "Generate proprietary object file format for later linking, equivalent of --format=obj" }, | |
58 { "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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59 { "dependnoerr", 0x102, 0, 0, "Output a dependency list to stdout; do not do any actual output though assembly is completed as usual; don't bail on missing include files" }, |
7 | 60 { "pragma", 'p', "PRAGMA", 0, "Set an assembler pragma to any value understood by the \"pragma\" pseudo op"}, |
61 { "6809", '9', 0, 0, "Set assembler to 6809 only mode" }, | |
62 { "6309", '3', 0, 0, "Set assembler to 6309 mode (default)" }, | |
63 { "includedir", 'I', "PATH", 0, "Add entry to include path" }, | |
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64 { "define", 'D', "SYM[=VAL]",0, "Automatically define SYM to be VAL (or 1)"}, |
219 | 65 { "preprocess", 'P', 0, 0, "Preprocess macros and conditionals and output revised source to stdout" }, |
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66 { "unicorns", 0x142, 0, 0, "Add sooper sekrit sauce"}, |
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67 { "6800compat", 0x200, 0, 0, "Enable 6800 compatibility instructions, equivalent to --pragma=6800compat" }, |
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68 { "no-output", 0x105, 0, 0, "Inhibit creation of output file" }, |
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69 { 0 } |
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70 }; |
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71 |
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72 |
7 | 73 static int parse_opts(int key, char *arg, void *state) |
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74 { |
7 | 75 asmstate_t *as = state; |
106 | 76 |
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77 switch (key) |
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78 { |
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79 case 'I': |
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80 lw_stringlist_addstring(as -> include_list, arg); |
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81 break; |
101
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82 |
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83 case 'D': |
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84 { |
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85 char *offs; |
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86 int val = 1; |
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87 lw_expr_t te; |
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88 |
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89 if ((offs = strchr(arg, '='))) |
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90 { |
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91 *offs = '\0'; |
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92 val = strtol(offs + 1, NULL, 0); |
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93 } |
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94 |
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95 /* register global symbol */ |
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96 te = lw_expr_build(lw_expr_type_int, val); |
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97 register_symbol(as, NULL, arg, te, symbol_flag_nocheck | symbol_flag_set); |
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98 lw_expr_destroy(te); |
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99 |
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100 if (offs) |
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101 *offs = '='; |
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102 break; |
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103 } |
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104 case 'o': |
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105 if (as -> output_file) |
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106 lw_free(as -> output_file); |
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107 as -> output_file = lw_strdup(arg); |
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108 as -> flags &= ~FLAG_NOOUT; |
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109 break; |
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110 |
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111 case 0x105: |
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112 as -> flags |= FLAG_NOOUT; |
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113 break; |
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114 |
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115 case 0x106: |
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116 if (as -> symbol_dump_file) |
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117 lw_free(as -> symbol_dump_file); |
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118 if (!arg) |
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119 as -> symbol_dump_file = lw_strdup("-"); |
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120 else |
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121 as -> symbol_dump_file = lw_strdup(arg); |
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122 as -> flags |= FLAG_SYMDUMP; |
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123 break; |
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124 |
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125 case 'd': |
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126 #ifdef LWASM_NODEBUG |
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127 fprintf(stderr, "This binary has been built without debugging message support\n"); |
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128 #else |
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129 if (!arg) |
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130 as -> debug_level = 50; |
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131 else |
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132 as -> debug_level = atoi(arg); |
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133 #endif |
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134 break; |
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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
135 |
390
1ebb5a0b2874
Add option to specify tab width in listing
William Astle <lost@l-w.ca>
parents:
375
diff
changeset
|
136 case 't': |
1ebb5a0b2874
Add option to specify tab width in listing
William Astle <lost@l-w.ca>
parents:
375
diff
changeset
|
137 if (arg) |
1ebb5a0b2874
Add option to specify tab width in listing
William Astle <lost@l-w.ca>
parents:
375
diff
changeset
|
138 as -> tabwidth = atoi(arg); |
1ebb5a0b2874
Add option to specify tab width in listing
William Astle <lost@l-w.ca>
parents:
375
diff
changeset
|
139 break; |
1ebb5a0b2874
Add option to specify tab width in listing
William Astle <lost@l-w.ca>
parents:
375
diff
changeset
|
140 |
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
|
141 case 'l': |
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 if (as -> list_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
|
143 lw_free(as -> list_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
|
144 if (!arg) |
106 | 145 as -> list_file = lw_strdup("-"); |
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
|
146 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
|
147 as -> list_file = lw_strdup(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
|
148 as -> flags |= FLAG_LIST; |
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 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
|
150 |
365
3f8abaac214c
Add map file output and option to suppress local symbols in listings
William Astle <lost@l-w.ca>
parents:
338
diff
changeset
|
151 case 'm': |
3f8abaac214c
Add map file output and option to suppress local symbols in listings
William Astle <lost@l-w.ca>
parents:
338
diff
changeset
|
152 if (as -> map_file) |
3f8abaac214c
Add map file output and option to suppress local symbols in listings
William Astle <lost@l-w.ca>
parents:
338
diff
changeset
|
153 lw_free(as -> map_file); |
3f8abaac214c
Add map file output and option to suppress local symbols in listings
William Astle <lost@l-w.ca>
parents:
338
diff
changeset
|
154 if (!arg) |
3f8abaac214c
Add map file output and option to suppress local symbols in listings
William Astle <lost@l-w.ca>
parents:
338
diff
changeset
|
155 as -> map_file = lw_strdup("-"); |
3f8abaac214c
Add map file output and option to suppress local symbols in listings
William Astle <lost@l-w.ca>
parents:
338
diff
changeset
|
156 else |
3f8abaac214c
Add map file output and option to suppress local symbols in listings
William Astle <lost@l-w.ca>
parents:
338
diff
changeset
|
157 as -> map_file = lw_strdup(arg); |
3f8abaac214c
Add map file output and option to suppress local symbols in listings
William Astle <lost@l-w.ca>
parents:
338
diff
changeset
|
158 as -> flags |= FLAG_MAP; |
3f8abaac214c
Add map file output and option to suppress local symbols in listings
William Astle <lost@l-w.ca>
parents:
338
diff
changeset
|
159 break; |
3f8abaac214c
Add map file output and option to suppress local symbols in listings
William Astle <lost@l-w.ca>
parents:
338
diff
changeset
|
160 |
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
|
161 case 's': |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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parents:
diff
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|
162 as -> flags |= FLAG_SYMBOLS; |
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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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parents:
diff
changeset
|
163 break; |
365
3f8abaac214c
Add map file output and option to suppress local symbols in listings
William Astle <lost@l-w.ca>
parents:
338
diff
changeset
|
164 |
3f8abaac214c
Add map file output and option to suppress local symbols in listings
William Astle <lost@l-w.ca>
parents:
338
diff
changeset
|
165 case 0x103: |
3f8abaac214c
Add map file output and option to suppress local symbols in listings
William Astle <lost@l-w.ca>
parents:
338
diff
changeset
|
166 as -> flags |= FLAG_SYMBOLS | FLAG_SYMBOLS_NOLOCALS; |
3f8abaac214c
Add map file output and option to suppress local symbols in listings
William Astle <lost@l-w.ca>
parents:
338
diff
changeset
|
167 break; |
3f8abaac214c
Add map file output and option to suppress local symbols in listings
William Astle <lost@l-w.ca>
parents:
338
diff
changeset
|
168 |
442
61580fc48f98
Add option to omit file names from lwasm listings
William Astle <lost@l-w.ca>
parents:
441
diff
changeset
|
169 case 0x104: |
61580fc48f98
Add option to omit file names from lwasm listings
William Astle <lost@l-w.ca>
parents:
441
diff
changeset
|
170 as -> listnofile = 1; |
61580fc48f98
Add option to omit file names from lwasm listings
William Astle <lost@l-w.ca>
parents:
441
diff
changeset
|
171 break; |
61580fc48f98
Add option to omit file names from lwasm listings
William Astle <lost@l-w.ca>
parents:
441
diff
changeset
|
172 |
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
|
173 case 'b': |
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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
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|
174 as -> output_format = OUTPUT_DECB; |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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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 |
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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 'r': |
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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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parents:
diff
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|
178 as -> output_format = OUTPUT_RAW; |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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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 |
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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 0x100: |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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diff
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|
182 as -> output_format = OUTPUT_OBJ; |
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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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parents:
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changeset
|
183 break; |
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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 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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parents:
diff
changeset
|
185 case 0x101: |
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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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diff
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|
186 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
|
187 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
|
188 |
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
|
189 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
|
190 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
|
191 break; |
222
03f7192fcd20
Add --unicorns option for IDE integration
William Astle <lost@l-w.ca>
parents:
219
diff
changeset
|
192 |
224
3864d96ee8c7
Make unicorns notice referenced files better
William Astle <lost@l-w.ca>
parents:
222
diff
changeset
|
193 case 0x142: |
222
03f7192fcd20
Add --unicorns option for IDE integration
William Astle <lost@l-w.ca>
parents:
219
diff
changeset
|
194 as -> flags |= FLAG_UNICORNS; |
03f7192fcd20
Add --unicorns option for IDE integration
William Astle <lost@l-w.ca>
parents:
219
diff
changeset
|
195 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
|
196 |
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
|
197 case 'f': |
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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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parents:
diff
changeset
|
198 if (!strcasecmp(arg, "decb")) |
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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 as -> output_format = OUTPUT_DECB; |
411
9f796134d6f4
Fix wrong sense in strcasecmp()
William Astle <lost@l-w.ca>
parents:
406
diff
changeset
|
200 else if (!strcasecmp(arg, "basic")) |
406 | 201 as -> output_format = OUTPUT_BASIC; |
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
|
202 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
|
203 as -> output_format = OUTPUT_RAW; |
276 | 204 else if (!strcasecmp(arg, "rawrel")) |
205 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
|
206 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
|
207 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
|
208 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
|
209 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
|
210 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
|
211 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
|
212 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
|
213 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
|
214 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
|
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 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
|
217 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
|
218 } |
432
58cafa61ab40
Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents:
426
diff
changeset
|
219 else if (!strcasecmp(arg, "lwmod")) |
58cafa61ab40
Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents:
426
diff
changeset
|
220 { |
58cafa61ab40
Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents:
426
diff
changeset
|
221 as -> output_format = OUTPUT_LWMOD; |
58cafa61ab40
Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents:
426
diff
changeset
|
222 } |
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
|
223 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
|
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 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
|
226 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
|
227 } |
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 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
|
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 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
|
231 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
|
232 { |
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 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
|
234 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
|
235 } |
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 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
|
237 |
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 case '9': |
367
c6d2a1f54e0c
Change processor target variations to pragmas.
William Astle <lost@l-w.ca>
parents:
366
diff
changeset
|
239 as -> pragmas |= PRAGMA_6809; |
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
|
240 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
|
241 |
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 case '3': |
367
c6d2a1f54e0c
Change processor target variations to pragmas.
William Astle <lost@l-w.ca>
parents:
366
diff
changeset
|
243 as -> pragmas &= ~PRAGMA_6809; |
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
|
244 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
|
245 |
219 | 246 case 'P': |
247 as -> preprocess = 1; | |
248 break; | |
333
507f442dc71e
Add support for 6800 compatibility instructions.
William Astle <lost@l-w.ca>
parents:
321
diff
changeset
|
249 |
507f442dc71e
Add support for 6800 compatibility instructions.
William Astle <lost@l-w.ca>
parents:
321
diff
changeset
|
250 case 0x200: |
507f442dc71e
Add support for 6800 compatibility instructions.
William Astle <lost@l-w.ca>
parents:
321
diff
changeset
|
251 as -> pragmas |= PRAGMA_6800COMPAT; |
507f442dc71e
Add support for 6800 compatibility instructions.
William Astle <lost@l-w.ca>
parents:
321
diff
changeset
|
252 break; |
219 | 253 |
7 | 254 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
|
255 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
|
256 |
7 | 257 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
|
258 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
|
259 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
|
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 default: |
7 | 262 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
|
263 } |
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 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
|
265 } |
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 |
7 | 267 static struct lw_cmdline_parser cmdline_parser = |
0
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268 { |
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269 options, |
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270 parse_opts, |
7 | 271 "INPUTFILE", |
272 "lwasm, a HD6309 and MC6809 cross-assembler\vPlease report bugs to lost@l-w.ca.", | |
273 PROGVER | |
0
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274 }; |
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275 |
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276 /* |
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277 main function; parse command line, set up assembler state, and run the |
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278 assembler on the first file |
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279 */ |
374 | 280 void do_pass1(asmstate_t *as); |
281 void do_pass2(asmstate_t *as); | |
282 void do_pass3(asmstate_t *as); | |
283 void do_pass4(asmstate_t *as); | |
284 void do_pass5(asmstate_t *as); | |
285 void do_pass6(asmstate_t *as); | |
286 void do_pass7(asmstate_t *as); | |
287 void do_output(asmstate_t *as); | |
487
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288 void do_symdump(asmstate_t *as); |
374 | 289 void do_list(asmstate_t *as); |
290 void do_map(asmstate_t *as); | |
291 lw_expr_t lwasm_evaluate_special(int t, void *ptr, void *priv); | |
292 lw_expr_t lwasm_evaluate_var(char *var, void *priv); | |
293 lw_expr_t lwasm_parse_term(char **p, void *priv); | |
294 void lwasm_dividezero(void *priv); | |
0
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295 |
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296 struct passlist_s |
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297 { |
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298 char *passname; |
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299 void (*fn)(asmstate_t *as); |
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300 int fordep; |
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301 } passlist[] = { |
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302 { "parse", do_pass1, 1 }, |
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303 { "symcheck", do_pass2 }, |
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304 { "resolve1", do_pass3 }, |
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305 { "resolve2", do_pass4 }, |
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306 { "addressresolve", do_pass5 }, |
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307 { "finalize", do_pass6 }, |
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308 { "emit", do_pass7 }, |
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309 { NULL, NULL } |
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310 }; |
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311 |
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312 |
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313 int main(int argc, char **argv) |
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314 { |
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315 int passnum; |
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316 |
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317 /* assembler state */ |
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318 asmstate_t asmstate = { 0 }; |
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319 program_name = argv[0]; |
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320 |
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321 lw_expr_set_special_handler(lwasm_evaluate_special); |
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322 lw_expr_set_var_handler(lwasm_evaluate_var); |
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323 lw_expr_set_term_parser(lwasm_parse_term); |
249
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324 lw_expr_setdivzero(lwasm_dividezero); |
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325 |
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326 /* initialize assembler state */ |
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327 asmstate.include_list = lw_stringlist_create(); |
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328 asmstate.input_files = lw_stringlist_create(); |
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329 asmstate.nextcontext = 1; |
366
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330 asmstate.exprwidth = 16; |
390
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331 asmstate.tabwidth = 8; |
426
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332 |
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333 // enable the "forward reference maximum size" pragma; old available |
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334 // can be obtained with --pragma=noforwardrefmax |
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335 asmstate.pragmas = PRAGMA_FORWARDREFMAX; |
212
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336 |
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337 /* parse command line arguments */ |
441
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338 if (lw_cmdline_parse(&cmdline_parser, argc, argv, 0, 0, &asmstate) != 0) |
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339 { |
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340 exit(1); |
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341 } |
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342 |
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343 if (!asmstate.output_file) |
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344 { |
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345 asmstate.output_file = lw_strdup("a.out"); |
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346 } |
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347 |
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348 input_init(&asmstate); |
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349 |
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350 for (passnum = 0; passlist[passnum].fn; passnum++) |
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351 { |
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352 if ((asmstate.flags & FLAG_DEPEND) && passlist[passnum].fordep == 0) |
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353 continue; |
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354 asmstate.passno = passnum; |
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355 debug_message(&asmstate, 50, "Doing pass %d (%s)\n", passnum, passlist[passnum].passname); |
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356 (passlist[passnum].fn)(&asmstate); |
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357 debug_message(&asmstate, 50, "After pass %d (%s)\n", passnum, passlist[passnum].passname); |
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358 dump_state(&asmstate); |
219 | 359 |
360 if (asmstate.preprocess) | |
361 { | |
362 /* we're done if we were preprocessing */ | |
363 exit(0); | |
364 } | |
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365 if (asmstate.errorcount > 0) |
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366 { |
73
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367 if (asmstate.flags & FLAG_DEPEND) |
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368 { |
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369 // don't show errors during dependency scanning but |
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370 // stop processing immediately |
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371 break; |
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372 } |
226
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373 if (asmstate.flags & FLAG_UNICORNS) |
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374 lwasm_do_unicorns(&asmstate); |
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375 else |
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376 lwasm_show_errors(&asmstate); |
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377 exit(1); |
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378 } |
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379 } |
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380 |
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381 if (asmstate.flags & FLAG_DEPEND) |
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382 { |
224
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383 // output dependencies (other than "includebin") |
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384 char *n; |
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385 |
224
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386 while ((n = lw_stack_pop(asmstate.includelist))) |
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387 { |
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388 fprintf(stdout, "%s\n", n); |
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389 lw_free(n); |
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390 } |
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391 } |
484
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392 else if ((asmstate.flags & FLAG_NOOUT) == 0) |
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393 { |
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394 debug_message(&asmstate, 50, "Doing output"); |
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395 do_output(&asmstate); |
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396 } |
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397 |
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398 debug_message(&asmstate, 50, "Done assembly"); |
222
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399 |
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400 if (asmstate.flags & FLAG_UNICORNS) |
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401 { |
224
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402 debug_message(&asmstate, 50, "Invoking unicorns"); |
222
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403 lwasm_do_unicorns(&asmstate); |
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404 } |
487
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405 do_symdump(&asmstate); |
229
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406 do_list(&asmstate); |
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3f8abaac214c
Add map file output and option to suppress local symbols in listings
William Astle <lost@l-w.ca>
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407 do_map(&asmstate); |
375 | 408 |
409 if (asmstate.testmode_errorcount > 0) exit(1); | |
410 | |
0
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
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411 exit(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
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412 } |