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annotate lwasm/main.c @ 385:cf8c92d70eb1
Various bugfixes
| author | lost@starbug |
|---|---|
| date | Sun, 16 May 2010 11:50:00 -0600 |
| parents | 38b50ce6967a |
| children | a741d2e4869f |
| rev | line source |
|---|---|
| 323 | 1 /* |
| 2 main.c | |
| 3 | |
| 4 Copyright © 2010 William Astle | |
| 5 | |
| 6 This file is part of LWTOOLS. | |
| 7 | |
| 8 LWTOOLS is free software: you can redistribute it and/or modify it under the | |
| 9 terms of the GNU General Public License as published by the Free Software | |
| 10 Foundation, either version 3 of the License, or (at your option) any later | |
| 11 version. | |
| 12 | |
| 13 This program is distributed in the hope that it will be useful, but WITHOUT | |
| 14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
| 16 more details. | |
| 17 | |
| 18 You should have received a copy of the GNU General Public License along with | |
| 19 this program. If not, see <http://www.gnu.org/licenses/>. | |
| 20 */ | |
| 21 | |
| 22 #include <config.h> | |
| 23 | |
| 24 #include <argp.h> | |
| 25 #include <stdio.h> | |
| 26 #include <stdlib.h> | |
| 27 | |
| 329 | 28 #include <lw_alloc.h> |
| 325 | 29 #include <lw_string.h> |
| 30 #include <lw_stringlist.h> | |
| 335 | 31 #include <lw_expr.h> |
| 325 | 32 |
| 323 | 33 #include "lwasm.h" |
| 330 | 34 #include "input.h" |
| 323 | 35 |
| 352 | 36 extern int parse_pragma_string(asmstate_t *as, char *str, int ignoreerr); |
| 325 | 37 |
| 323 | 38 /* command line option handling */ |
| 39 const char *argp_program_version = "lwasm from " PACKAGE_STRING; | |
| 40 const char *argp_program_bug_address = PACKAGE_BUGREPORT; | |
| 41 char *program_name; | |
| 42 | |
| 43 static struct argp_option options[] = | |
| 44 { | |
| 45 { "output", 'o', "FILE", 0, "Output to FILE"}, | |
|
372
90de73ba0cac
Created a useful debug framework and adjusted lw_expr_print() to return a "static" dynamic string
lost@starbug
parents:
370
diff
changeset
|
46 { "debug", 'd', "LEVEL", OPTION_ARG_OPTIONAL, "Set debug mode"}, |
| 323 | 47 { "format", 'f', "TYPE", 0, "Select output format: decb, raw, obj, os9"}, |
| 48 { "list", 'l', "FILE", OPTION_ARG_OPTIONAL, "Generate list [to FILE]"}, | |
| 49 { "decb", 'b', 0, 0, "Generate DECB .bin format output, equivalent of --format=decb"}, | |
| 50 { "raw", 'r', 0, 0, "Generate raw binary format output, equivalent of --format=raw"}, | |
| 51 { "obj", 0x100, 0, 0, "Generate proprietary object file format for later linking, equivalent of --format=obj" }, | |
| 52 { "depend", 0x101, 0, 0, "Output a dependency list to stdout; do not do any actual output though assembly is completed as usual" }, | |
| 53 { "pragma", 'p', "PRAGMA", 0, "Set an assembler pragma to any value understood by the \"pragma\" pseudo op"}, | |
| 54 { "6809", '9', 0, 0, "Set assembler to 6809 only mode" }, | |
| 55 { "6309", '3', 0, 0, "Set assembler to 6309 mode (default)" }, | |
| 56 { "includedir", 'I', "PATH", 0, "Add entry to include path" }, | |
| 57 { 0 } | |
| 58 }; | |
| 59 | |
| 60 | |
| 61 static error_t parse_opts(int key, char *arg, struct argp_state *state) | |
| 62 { | |
| 63 asmstate_t *as = state -> input; | |
| 64 | |
| 65 switch (key) | |
| 66 { | |
| 67 case 'I': | |
| 325 | 68 lw_stringlist_addstring(as -> include_list, arg); |
| 69 break; | |
| 70 | |
| 323 | 71 case 'o': |
| 325 | 72 if (as -> output_file) |
| 73 lw_free(as -> output_file); | |
| 74 as -> output_file = lw_strdup(arg); | |
| 75 break; | |
| 76 | |
| 323 | 77 case 'd': |
|
372
90de73ba0cac
Created a useful debug framework and adjusted lw_expr_print() to return a "static" dynamic string
lost@starbug
parents:
370
diff
changeset
|
78 if (!arg) |
|
90de73ba0cac
Created a useful debug framework and adjusted lw_expr_print() to return a "static" dynamic string
lost@starbug
parents:
370
diff
changeset
|
79 as -> debug_level = 50; |
|
90de73ba0cac
Created a useful debug framework and adjusted lw_expr_print() to return a "static" dynamic string
lost@starbug
parents:
370
diff
changeset
|
80 else |
|
90de73ba0cac
Created a useful debug framework and adjusted lw_expr_print() to return a "static" dynamic string
lost@starbug
parents:
370
diff
changeset
|
81 as -> debug_level = atoi(arg); |
| 323 | 82 break; |
| 83 | |
| 84 case 'l': | |
| 325 | 85 if (as -> list_file) |
| 86 lw_free(as -> list_file); | |
| 87 if (!arg) | |
| 88 as -> list_file = NULL; | |
| 89 else | |
| 90 as -> list_file = lw_strdup(arg); | |
| 91 as -> flags |= FLAG_LIST; | |
| 92 break; | |
| 93 | |
| 323 | 94 case 'b': |
| 95 as -> output_format = OUTPUT_DECB; | |
| 96 break; | |
| 97 | |
| 98 case 'r': | |
| 99 as -> output_format = OUTPUT_RAW; | |
| 100 break; | |
| 101 | |
| 102 case 0x100: | |
| 103 as -> output_format = OUTPUT_OBJ; | |
| 104 break; | |
| 105 | |
| 106 case 0x101: | |
| 325 | 107 as -> flags |= FLAG_DEPEND; |
| 108 break; | |
| 109 | |
| 323 | 110 case 'f': |
| 111 if (!strcasecmp(arg, "decb")) | |
| 112 as -> output_format = OUTPUT_DECB; | |
| 113 else if (!strcasecmp(arg, "raw")) | |
| 114 as -> output_format = OUTPUT_RAW; | |
| 115 else if (!strcasecmp(arg, "obj")) | |
| 116 as -> output_format = OUTPUT_OBJ; | |
| 117 else if (!strcasecmp(arg, "os9")) | |
| 118 { | |
| 325 | 119 as -> pragmas |= PRAGMA_DOLLARNOTLOCAL; |
| 323 | 120 as -> output_format = OUTPUT_OS9; |
| 121 } | |
| 122 else | |
| 123 { | |
| 124 fprintf(stderr, "Invalid output format: %s\n", arg); | |
| 125 exit(1); | |
| 126 } | |
| 127 break; | |
| 128 | |
| 129 case 'p': | |
| 352 | 130 if (parse_pragma_string(as, arg, 0) == 0) |
| 325 | 131 { |
| 132 fprintf(stderr, "Unrecognized pragma string: %s\n", arg); | |
| 133 exit(1); | |
| 134 } | |
| 135 break; | |
| 136 | |
| 323 | 137 case '9': |
| 138 as -> target = TARGET_6809; | |
| 139 break; | |
| 140 | |
| 141 case '3': | |
| 142 as -> target = TARGET_6309; | |
| 143 break; | |
| 144 | |
| 145 case ARGP_KEY_END: | |
| 146 break; | |
| 147 | |
| 148 case ARGP_KEY_ARG: | |
| 325 | 149 lw_stringlist_addstring(as -> input_files, arg); |
| 323 | 150 break; |
| 151 | |
| 152 default: | |
| 153 return ARGP_ERR_UNKNOWN; | |
| 154 } | |
| 155 return 0; | |
| 156 } | |
| 157 | |
| 158 static struct argp argp = | |
| 159 { | |
| 160 options, | |
| 161 parse_opts, | |
| 162 "<input file>", | |
| 163 "LWASM, a HD6309 and MC6809 cross-assembler" | |
| 164 }; | |
| 165 | |
| 166 /* | |
| 167 main function; parse command line, set up assembler state, and run the | |
| 168 assembler on the first file | |
| 169 */ | |
| 332 | 170 extern void do_pass1(asmstate_t *as); |
|
363
d96c30e60ddf
Added pass2 and various supporting logic including symbol lookups
lost@starbug
parents:
352
diff
changeset
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171 extern void do_pass2(asmstate_t *as); |
| 364 | 172 extern void do_pass3(asmstate_t *as); |
| 365 | 173 extern void do_pass4(asmstate_t *as); |
| 367 | 174 extern void do_pass5(asmstate_t *as); |
| 175 extern void do_pass6(asmstate_t *as); | |
| 368 | 176 extern void do_pass7(asmstate_t *as); |
| 374 | 177 extern void do_output(asmstate_t *as); |
|
383
848d3cca8078
Fixed imm8 to actually use expression and also fixed gen mode to respect > and <
lost@starbug
parents:
374
diff
changeset
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178 extern void do_list(asmstate_t *as); |
|
346
a82c55070624
Added expression parsing infrastructure and misc fixes
lost@starbug
parents:
345
diff
changeset
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179 extern lw_expr_t lwasm_evaluate_special(int t, void *ptr, void *priv); |
|
a82c55070624
Added expression parsing infrastructure and misc fixes
lost@starbug
parents:
345
diff
changeset
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180 extern lw_expr_t lwasm_evaluate_var(char *var, void *priv); |
|
a82c55070624
Added expression parsing infrastructure and misc fixes
lost@starbug
parents:
345
diff
changeset
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181 extern lw_expr_t lwasm_parse_term(char **p, void *priv); |
| 364 | 182 |
| 183 struct passlist_s | |
| 184 { | |
| 185 char *passname; | |
| 186 void (*fn)(asmstate_t *as); | |
| 385 | 187 int fordep; |
| 364 | 188 } passlist[] = { |
| 385 | 189 { "parse", do_pass1, 1 }, |
| 364 | 190 { "symcheck", do_pass2 }, |
| 191 { "resolve1", do_pass3 }, | |
| 365 | 192 { "resolve2", do_pass4 }, |
| 367 | 193 { "addressresolve", do_pass5 }, |
| 194 { "finalize", do_pass6 }, | |
| 368 | 195 { "emit", do_pass7 }, |
| 364 | 196 { NULL, NULL } |
| 197 }; | |
| 198 | |
| 370 | 199 |
| 323 | 200 int main(int argc, char **argv) |
| 201 { | |
| 364 | 202 int passnum; |
| 203 | |
| 323 | 204 /* assembler state */ |
| 205 asmstate_t asmstate = { 0 }; | |
| 325 | 206 program_name = argv[0]; |
| 323 | 207 |
| 337 | 208 lw_expr_set_special_handler(lwasm_evaluate_special); |
| 209 lw_expr_set_var_handler(lwasm_evaluate_var); | |
| 370 | 210 lw_expr_set_term_parser(lwasm_parse_term); |
| 337 | 211 |
| 325 | 212 /* initialize assembler state */ |
| 329 | 213 asmstate.include_list = lw_stringlist_create(); |
| 325 | 214 asmstate.input_files = lw_stringlist_create(); |
|
345
7416c3f9c321
Basic macro processor ported forward; added context break handling for local symbols
lost@starbug
parents:
342
diff
changeset
|
215 asmstate.nextcontext = 1; |
| 325 | 216 |
| 217 /* parse command line arguments */ | |
| 323 | 218 argp_parse(&argp, argc, argv, 0, 0, &asmstate); |
| 219 | |
| 328 | 220 if (!asmstate.output_file) |
| 221 { | |
| 222 asmstate.output_file = lw_strdup("a.out"); | |
| 223 } | |
| 224 | |
| 330 | 225 input_init(&asmstate); |
| 226 | |
| 364 | 227 for (passnum = 0; passlist[passnum].fn; passnum++) |
|
363
d96c30e60ddf
Added pass2 and various supporting logic including symbol lookups
lost@starbug
parents:
352
diff
changeset
|
228 { |
| 385 | 229 if ((asmstate.flags & FLAG_DEPEND) && passlist[passnum].fordep == 0) |
| 230 continue; | |
|
372
90de73ba0cac
Created a useful debug framework and adjusted lw_expr_print() to return a "static" dynamic string
lost@starbug
parents:
370
diff
changeset
|
231 debug_message(&asmstate, 50, "Doing pass %d (%s)\n", passnum, passlist[passnum].passname); |
| 364 | 232 (passlist[passnum].fn)(&asmstate); |
|
372
90de73ba0cac
Created a useful debug framework and adjusted lw_expr_print() to return a "static" dynamic string
lost@starbug
parents:
370
diff
changeset
|
233 debug_message(&asmstate, 50, "After pass %d (%s)\n", passnum, passlist[passnum].passname); |
|
90de73ba0cac
Created a useful debug framework and adjusted lw_expr_print() to return a "static" dynamic string
lost@starbug
parents:
370
diff
changeset
|
234 dump_state(&asmstate); |
| 364 | 235 |
| 236 if (asmstate.errorcount > 0) | |
| 237 { | |
| 238 lwasm_show_errors(&asmstate); | |
| 239 exit(1); | |
| 240 } | |
|
363
d96c30e60ddf
Added pass2 and various supporting logic including symbol lookups
lost@starbug
parents:
352
diff
changeset
|
241 } |
| 384 | 242 |
| 243 if (asmstate.flags & FLAG_DEPEND) | |
| 244 { | |
| 245 // output dependencies | |
| 246 char *n; | |
| 247 | |
| 248 while (n = lw_stack_pop(asmstate.includelist)) | |
| 249 { | |
| 250 fprintf(stdout, "%s\n", n); | |
| 251 lw_free(n); | |
| 252 } | |
| 253 } | |
| 254 else | |
| 255 { | |
| 256 debug_message(&asmstate, 50, "Doing output"); | |
| 257 do_output(&asmstate); | |
| 258 } | |
| 374 | 259 |
| 260 debug_message(&asmstate, 50, "Done assembly"); | |
|
383
848d3cca8078
Fixed imm8 to actually use expression and also fixed gen mode to respect > and <
lost@starbug
parents:
374
diff
changeset
|
261 |
|
848d3cca8078
Fixed imm8 to actually use expression and also fixed gen mode to respect > and <
lost@starbug
parents:
374
diff
changeset
|
262 do_list(&asmstate); |
| 323 | 263 } |