main_opt.inc 13 KB

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  1. /* main_opt.inc: Option parser for ld-tigcc command-line program
  2. Copyright (C) 2002-2004 Sebastian Reichelt
  3. Copyright (C) 2004 Billy Charvet
  4. Copyright (C) 2004-2006 Kevin Kofler
  5. This program is free software; you can redistribute it and/or modify
  6. it under the terms of the GNU General Public License as published by
  7. the Free Software Foundation; either version 2, or (at your option)
  8. any later version.
  9. This program is distributed in the hope that it will be useful,
  10. but WITHOUT ANY WARRANTY; without even the implied warranty of
  11. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  12. GNU General Public License for more details.
  13. You should have received a copy of the GNU General Public License
  14. along with this program; if not, write to the Free Software Foundation,
  15. Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
  16. // This file is included by main.c.
  17. {
  18. const char *Arg;
  19. BOOLEAN ArgMatches (const char *Name)
  20. {
  21. return (!(strcmp (Arg, Name)));
  22. }
  23. // For each argument...
  24. for (CurArg = 1; CurArg < ArgCount; CurArg++)
  25. {
  26. // Get pointer to arg.
  27. Arg = Args [CurArg];
  28. // Check whether it is empty.
  29. if (Arg && *Arg)
  30. {
  31. // Check whether it is an option.
  32. if (Arg [0] == '-')
  33. {
  34. // Skip this dash and possibly a second one.
  35. Arg++;
  36. if (Arg [0] == '-')
  37. Arg++;
  38. // Handle the option.
  39. #ifdef ENABLE_HELP
  40. if (ArgMatches ("version"))
  41. {
  42. printf ("ld-tigcc Version " PROGRAM_VERSION_STRING "\n"
  43. COPYRIGHT_NOTICE_STRING "\n"
  44. "ld-tigcc is free software; see the source code for details.\n");
  45. goto Cleanup;
  46. }
  47. else if ((ArgMatches ("help")) || (ArgMatches ("h")))
  48. {
  49. printf ("Usage: ld-tigcc [options] <file> [<file> ...]\n"
  50. "Options:\n"
  51. " -h --help Display this message\n"
  52. " --version Display version number\n"
  53. #ifdef ENABLE_STATS
  54. " -v --verbose Display program statistics\n"
  55. #endif /* ENABLE_STATS */
  56. #ifdef ENABLE_DUMP
  57. " --dump[n] Display [n-th] dump of the program contents\n"
  58. #endif /* ENABLE_DUMP */
  59. " --native Link in TIGCC native mode\n"
  60. #ifdef FLASH_OS_SUPPORT
  61. " --flash-os Create (unsigned) Flash OS\n"
  62. #endif /* FLASH_OS_SUPPORT */
  63. #ifdef FARGO_SUPPORT
  64. " --fargo Create Fargo II program\n"
  65. #endif /* FARGO_SUPPORT */
  66. " --remove-unused Remove unused sections\n"
  67. " --optimize-relocs Update relocs to point to the closest symbol\n"
  68. " --optimize-code Perform all MC68000 code optimizations (!)\n"
  69. " --optimize-nops Remove format-specific NOP instructions\n"
  70. " --optimize-returns Optimize function return sequences (!)\n"
  71. " --optimize-branches Optimize branch instructions\n"
  72. " --optimize-moves Optimize move/load/push instructions (!)\n"
  73. " --optimize-tests Optimize compare/test instructions (!)\n"
  74. " --optimize-calcs Optimize calculation instructions (!)\n"
  75. " --cut-ranges Cut unneeded section ranges when optimizing (!)\n"
  76. " (ignored for files not assembled in all-relocs mode)\n"
  77. " --reorder-sections Reorder sections to make references shorter\n"
  78. " --merge-constants Merge constants and strings to avoid duplication\n"
  79. " --omit-bss-init Do not initialize BSS data to zero\n"
  80. " --outputbin Create program image without PC header\n"
  81. " --outputbin-main-only\n"
  82. " Create main file w/o PC header (but data file with)\n"
  83. " -o --output <file> Write output to <file>.???\n"
  84. " -n --varname <[folder\\]name>\n"
  85. " Name output variable <folder\\name>\n"
  86. #ifdef DATA_VAR_SUPPORT
  87. " -d --data-var <[folder\\]name>\n"
  88. " Use data variable named <folder\\name>\n"
  89. " --data-var-copy={never|archived|always}\n"
  90. " Work on original data variable or copy\n"
  91. #endif /* DATA_VAR_SUPPORT */
  92. "<file> can be an archive or an object file.\n"
  93. "Options marked with `(!)' are likely to cause errors in binary code.\n");
  94. goto Cleanup;
  95. }
  96. else
  97. #endif /* ENABLE_HELP */
  98. #ifdef ENABLE_STATS
  99. if ((ArgMatches ("verbose")) || (ArgMatches ("v")))
  100. DisplayStats = TRUE;
  101. else
  102. #endif /* ENABLE_STATS */
  103. #ifdef ENABLE_DUMP
  104. if (!(strncmp (Arg, "dump", sizeof ("dump") - 1)))
  105. {
  106. Arg += sizeof ("dump") - 1;
  107. if (*Arg)
  108. {
  109. int DumpIdx = atoi (Arg);
  110. if ((DumpIdx >= 0) && (DumpIdx < DUMP_COUNT))
  111. Dump [DumpIdx] = TRUE;
  112. }
  113. else
  114. memset (Dump, -1, sizeof (Dump));
  115. }
  116. else
  117. #endif /* ENABLE_DUMP */
  118. if (ArgMatches ("native"))
  119. Program.Type = PT_NATIVE;
  120. else
  121. #ifdef FLASH_OS_SUPPORT
  122. if (ArgMatches ("flash-os"))
  123. {
  124. Program.Type = PT_FLASH_OS;
  125. Warning (NULL, "Flash OS support in TIGCC is experimental.");
  126. }
  127. else
  128. #endif /* FLASH_OS_SUPPORT */
  129. #ifdef FARGO_SUPPORT
  130. if (ArgMatches ("fargo"))
  131. {
  132. Program.Type = PT_FARGO;
  133. Program.Calcs |= CALC_TI92;
  134. Warning (NULL, "Fargo support in TIGCC is experimental.");
  135. }
  136. else
  137. #endif /* FARGO_SUPPORT */
  138. if (ArgMatches ("remove-unused"))
  139. OptInfo->RemoveUnused = TRUE;
  140. else if (ArgMatches ("optimize-relocs"))
  141. OptInfo->OptimizeRelocs = TRUE;
  142. else if (ArgMatches ("optimize-code"))
  143. {
  144. OptInfo->OptimizeNOPs = TRUE;
  145. OptInfo->OptimizeReturns = TRUE;
  146. OptInfo->OptimizeBranches = TRUE;
  147. OptInfo->OptimizeMoves = TRUE;
  148. OptInfo->OptimizeTests = TRUE;
  149. OptInfo->OptimizeCalcs = TRUE;
  150. }
  151. else if (ArgMatches ("optimize-nops"))
  152. OptInfo->OptimizeNOPs = TRUE;
  153. else if (ArgMatches ("optimize-returns"))
  154. OptInfo->OptimizeReturns = TRUE;
  155. else if (ArgMatches ("optimize-branches"))
  156. OptInfo->OptimizeBranches = TRUE;
  157. else if (ArgMatches ("optimize-moves"))
  158. OptInfo->OptimizeMoves = TRUE;
  159. else if (ArgMatches ("optimize-tests"))
  160. OptInfo->OptimizeTests = TRUE;
  161. else if (ArgMatches ("optimize-calcs"))
  162. OptInfo->OptimizeCalcs = TRUE;
  163. else if (ArgMatches ("cut-ranges"))
  164. OptInfo->CutRanges = TRUE;
  165. else if (ArgMatches ("reorder-sections"))
  166. OptInfo->ReorderSections = TRUE;
  167. else if (ArgMatches ("merge-constants"))
  168. OptInfo->MergeConstants = TRUE;
  169. else if (ArgMatches ("omit-bss-init"))
  170. OmitBSSInitialization = TRUE;
  171. else if (ArgMatches ("outputbin"))
  172. OutputBin = TRUE;
  173. else if (ArgMatches ("outputbin-main-only"))
  174. OutputBinMainOnly = TRUE;
  175. else if ((ArgMatches ("output")) || (ArgMatches ("o")))
  176. {
  177. if ((++CurArg) < ArgCount)
  178. {
  179. DestFile = Args [CurArg];
  180. DestFileSize = strlen (DestFile);
  181. // Adjust the program's name if it isn't set yet.
  182. if (!(*ProgramName))
  183. {
  184. // Start at the last separator.
  185. const char *Name = strrchr (DestFile, '/');
  186. if (!Name)
  187. Name = strrchr (DestFile, '\\');
  188. if (Name)
  189. Name++;
  190. else
  191. Name = DestFile;
  192. // Copy into name field.
  193. strncpy (ProgramName, Name, MAX_NAME_LEN);
  194. {
  195. // Cut at first dot.
  196. char *S = strchr (ProgramName, '.');
  197. if (S)
  198. *S = 0;
  199. // Cut at first space.
  200. S = strchr (ProgramName, ' ');
  201. if (S)
  202. *S = 0;
  203. // Convert to lowercase.
  204. for (S = ProgramName; *S; S++)
  205. *S = tolower (*S);
  206. }
  207. }
  208. }
  209. else
  210. Error (NULL, "`--output' option must be followed by a name.");
  211. }
  212. else if ((ArgMatches ("varname")) || (ArgMatches ("n")))
  213. {
  214. if ((++CurArg) < ArgCount)
  215. {
  216. // Extract variable name.
  217. const char *Name = strchr (Args [CurArg], '/');
  218. if (!Name)
  219. Name = strchr (Args [CurArg], '\\');
  220. if (Name)
  221. {
  222. Name++;
  223. // Extract folder name.
  224. strncpy (ProgramFolder, Args [CurArg], MAX_NAME_LEN);
  225. {
  226. char *S;
  227. for (S = ProgramFolder; *S; S++)
  228. {
  229. if (*S == '/' || *S == '\\')
  230. {
  231. *S = 0;
  232. break;
  233. }
  234. else
  235. *S = tolower (*S);
  236. }
  237. }
  238. }
  239. else
  240. Name = Args [CurArg];
  241. strncpy (ProgramName, Name, MAX_NAME_LEN);
  242. {
  243. char *S;
  244. for (S = ProgramName; *S; S++)
  245. *S = tolower (*S);
  246. }
  247. }
  248. else
  249. Error (NULL, "`--varname' option must be followed by a name.");
  250. }
  251. #ifdef DATA_VAR_SUPPORT
  252. else if (ArgMatches ("data-var") || ArgMatches ("d"))
  253. {
  254. if ((++CurArg) < ArgCount)
  255. {
  256. // Extract variable name.
  257. const char *Name = strchr (Args [CurArg], '/');
  258. if (!Name)
  259. Name = strchr (Args [CurArg], '\\');
  260. if (Name)
  261. {
  262. Name++;
  263. // Extract folder name.
  264. strncpy (DataFolder, Args [CurArg], MAX_NAME_LEN);
  265. {
  266. char *S;
  267. for (S = DataFolder; *S; S++)
  268. {
  269. if (*S == '/' || *S == '\\')
  270. {
  271. *S = 0;
  272. break;
  273. }
  274. else
  275. *S = tolower (*S);
  276. }
  277. }
  278. sprintf (DataVarString, "%s\\", DataFolder);
  279. }
  280. else
  281. {
  282. Name = Args [CurArg];
  283. *DataVarString = 0;
  284. }
  285. strncpy (DataName, Name, MAX_NAME_LEN);
  286. {
  287. char *S;
  288. for (S = DataName; *S; S++)
  289. *S = tolower (*S);
  290. }
  291. strcat (DataVarString, DataName);
  292. DatVarInfo->Name = DataVarString;
  293. DatVarInfo->CreateCopy = TRUE;
  294. DatVarInfo->CopyOnlyIfArchived = TRUE;
  295. }
  296. else
  297. Error (NULL, "`--data-var' option must be followed by a name.");
  298. }
  299. else if (!(strncmp (Arg, "data-var-copy=", sizeof ("data-var-copy=") - 1)))
  300. {
  301. Arg += sizeof ("data-var-copy=") - 1;
  302. if (ArgMatches ("always"))
  303. {
  304. DatVarInfo->CreateCopy = TRUE;
  305. DatVarInfo->CopyOnlyIfArchived = FALSE;
  306. }
  307. else if (ArgMatches ("archived"))
  308. {
  309. DatVarInfo->CreateCopy = TRUE;
  310. DatVarInfo->CopyOnlyIfArchived = TRUE;
  311. }
  312. else if (ArgMatches ("never"))
  313. {
  314. DatVarInfo->CreateCopy = FALSE;
  315. DatVarInfo->CopyOnlyIfArchived = FALSE;
  316. }
  317. else
  318. Error (NULL, "Unrecognized copying condition `%s'.", Arg);
  319. }
  320. #endif /* DATA_VAR_SUPPORT */
  321. else
  322. Error (NULL, "Unrecognized option `%s'.", Args [CurArg]);
  323. }
  324. else
  325. {
  326. // Treat it as a file name.
  327. // Open the file and load it into memory.
  328. {
  329. FILE *File = fopen (Arg, "rb");
  330. if (File)
  331. {
  332. SIZE Size;
  333. fseek (File, 0, SEEK_END);
  334. Size = ftell (File);
  335. rewind (File);
  336. {
  337. I1 *Data = malloc (Size);
  338. if (Data)
  339. {
  340. BOOLEAN IsArchive = FALSE;
  341. if (fread (Data, Size, 1, File) == 1)
  342. {
  343. // Act differently depending on the
  344. // file type.
  345. IsArchive = IsArchiveFile (Data, Size);
  346. if (IsArchive)
  347. {
  348. // Add the file to the list of
  349. // available archives.
  350. AddArchiveFile (&Program, Data, Size, Arg);
  351. }
  352. else
  353. {
  354. // Adjust the destination file
  355. // name if it isn't set yet.
  356. if (!DestFile)
  357. {
  358. const char *DotPos, *SlashPos;
  359. // Assign the destination file name.
  360. DestFile = Arg;
  361. DestFileSize = strlen (Arg);
  362. // Cut it at the last dot.
  363. DotPos = strrchr (Arg, '.');
  364. if (DotPos)
  365. {
  366. SlashPos = strrchr (Arg, '/');
  367. if (!SlashPos)
  368. SlashPos = strrchr (Arg, '\\');
  369. if ((!SlashPos) || (DotPos > SlashPos))
  370. DestFileSize = DotPos - Arg;
  371. }
  372. }
  373. // Import the file.
  374. ImportObjectFile (&Program, Data, Size, Arg);
  375. }
  376. }
  377. else
  378. Error (Arg, "Unable to read file.");
  379. // Archives are not imported; they keep
  380. // their data until they are freed.
  381. if (!IsArchive)
  382. free (Data);
  383. }
  384. else
  385. Error (Arg, "Not enough memory to load file.");
  386. }
  387. fclose (File);
  388. }
  389. else
  390. Error (Arg, "Unable to open file.");
  391. }
  392. }
  393. }
  394. }
  395. // Adjust the program's name if it isn't set yet.
  396. if (DestFile && (!(*ProgramName)))
  397. {
  398. // Start at the last separator.
  399. const char *Name = strrchr (DestFile, '/');
  400. if (!Name)
  401. Name = strrchr (DestFile, '\\');
  402. if (Name)
  403. Name++;
  404. else
  405. Name = DestFile;
  406. // Copy into name field.
  407. strncpy (ProgramName, Name, MAX_NAME_LEN);
  408. {
  409. // Cut at first dot.
  410. char *S = strchr (ProgramName, '.');
  411. if (S)
  412. *S = 0;
  413. // Cut at first space.
  414. S = strchr (ProgramName, ' ');
  415. if (S)
  416. *S = 0;
  417. // Convert to lowercase.
  418. for (S = ProgramName; *S; S++)
  419. *S = tolower (*S);
  420. }
  421. }
  422. }