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 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. " -o --output <file> Write output to <file>.???\n"
  82. " -n --varname <[folder\\]name>\n"
  83. " Name output variable <folder\\name>\n"
  84. #ifdef DATA_VAR_SUPPORT
  85. " -d --data-var <[folder\\]name>\n"
  86. " Use data variable named <folder\\name>\n"
  87. " --data-var-copy={never|archived|always}\n"
  88. " Work on original data variable or copy\n"
  89. #endif /* DATA_VAR_SUPPORT */
  90. "<file> can be an archive or an object file.\n"
  91. "Options marked with `(!)' are likely to cause errors in binary code.\n");
  92. goto Cleanup;
  93. }
  94. else
  95. #endif /* ENABLE_HELP */
  96. #ifdef ENABLE_STATS
  97. if ((ArgMatches ("verbose")) || (ArgMatches ("v")))
  98. DisplayStats = TRUE;
  99. else
  100. #endif /* ENABLE_STATS */
  101. #ifdef ENABLE_DUMP
  102. if (!(strncmp (Arg, "dump", sizeof ("dump") - 1)))
  103. {
  104. Arg += sizeof ("dump") - 1;
  105. if (*Arg)
  106. {
  107. int DumpIdx = atoi (Arg);
  108. if ((DumpIdx >= 0) && (DumpIdx < DUMP_COUNT))
  109. Dump [DumpIdx] = TRUE;
  110. }
  111. else
  112. memset (Dump, -1, sizeof (Dump));
  113. }
  114. else
  115. #endif /* ENABLE_DUMP */
  116. if (ArgMatches ("native"))
  117. Program.Type = PT_NATIVE;
  118. else
  119. #ifdef FLASH_OS_SUPPORT
  120. if (ArgMatches ("flash-os"))
  121. {
  122. Program.Type = PT_FLASH_OS;
  123. Warning (NULL, "Flash OS support in TIGCC is experimental.");
  124. }
  125. else
  126. #endif /* FLASH_OS_SUPPORT */
  127. #ifdef FARGO_SUPPORT
  128. if (ArgMatches ("fargo"))
  129. {
  130. Program.Type = PT_FARGO;
  131. Program.Calcs |= CALC_TI92;
  132. Warning (NULL, "Fargo support in TIGCC is experimental.");
  133. }
  134. else
  135. #endif /* FARGO_SUPPORT */
  136. if (ArgMatches ("remove-unused"))
  137. OptInfo->RemoveUnused = TRUE;
  138. else if (ArgMatches ("optimize-relocs"))
  139. OptInfo->OptimizeRelocs = TRUE;
  140. else if (ArgMatches ("optimize-code"))
  141. {
  142. OptInfo->OptimizeNOPs = TRUE;
  143. OptInfo->OptimizeReturns = TRUE;
  144. OptInfo->OptimizeBranches = TRUE;
  145. OptInfo->OptimizeMoves = TRUE;
  146. OptInfo->OptimizeTests = TRUE;
  147. OptInfo->OptimizeCalcs = TRUE;
  148. }
  149. else if (ArgMatches ("optimize-nops"))
  150. OptInfo->OptimizeNOPs = TRUE;
  151. else if (ArgMatches ("optimize-returns"))
  152. OptInfo->OptimizeReturns = TRUE;
  153. else if (ArgMatches ("optimize-branches"))
  154. OptInfo->OptimizeBranches = TRUE;
  155. else if (ArgMatches ("optimize-moves"))
  156. OptInfo->OptimizeMoves = TRUE;
  157. else if (ArgMatches ("optimize-tests"))
  158. OptInfo->OptimizeTests = TRUE;
  159. else if (ArgMatches ("optimize-calcs"))
  160. OptInfo->OptimizeCalcs = TRUE;
  161. else if (ArgMatches ("cut-ranges"))
  162. OptInfo->CutRanges = TRUE;
  163. else if (ArgMatches ("reorder-sections"))
  164. OptInfo->ReorderSections = TRUE;
  165. else if (ArgMatches ("merge-constants"))
  166. OptInfo->MergeConstants = TRUE;
  167. else if (ArgMatches ("omit-bss-init"))
  168. OmitBSSInitialization = TRUE;
  169. else if (ArgMatches ("outputbin"))
  170. OutputBin = TRUE;
  171. else if ((ArgMatches ("output")) || (ArgMatches ("o")))
  172. {
  173. if ((++CurArg) < ArgCount)
  174. {
  175. DestFile = Args [CurArg];
  176. DestFileSize = strlen (DestFile);
  177. // Adjust the program's name if it isn't set yet.
  178. if (!(*ProgramName))
  179. {
  180. // Start at the last separator.
  181. const char *Name = strrchr (DestFile, '/');
  182. if (!Name)
  183. Name = strrchr (DestFile, '\\');
  184. if (Name)
  185. Name++;
  186. else
  187. Name = DestFile;
  188. // Copy into name field.
  189. strncpy (ProgramName, Name, MAX_NAME_LEN);
  190. {
  191. // Cut at first dot.
  192. char *S = strchr (ProgramName, '.');
  193. if (S)
  194. *S = 0;
  195. // Cut at first space.
  196. S = strchr (ProgramName, ' ');
  197. if (S)
  198. *S = 0;
  199. // Convert to lowercase.
  200. for (S = ProgramName; *S; S++)
  201. *S = tolower (*S);
  202. }
  203. }
  204. }
  205. else
  206. Error (NULL, "`--output' option must be followed by a name.");
  207. }
  208. else if ((ArgMatches ("varname")) || (ArgMatches ("n")))
  209. {
  210. if ((++CurArg) < ArgCount)
  211. {
  212. // Extract variable name.
  213. const char *Name = strchr (Args [CurArg], '/');
  214. if (!Name)
  215. Name = strchr (Args [CurArg], '\\');
  216. if (Name)
  217. {
  218. Name++;
  219. // Extract folder name.
  220. strncpy (ProgramFolder, Args [CurArg], MAX_NAME_LEN);
  221. {
  222. char *S;
  223. for (S = ProgramFolder; *S; S++)
  224. {
  225. if (*S == '/' || *S == '\\')
  226. {
  227. *S = 0;
  228. break;
  229. }
  230. else
  231. *S = tolower (*S);
  232. }
  233. }
  234. }
  235. else
  236. Name = Args [CurArg];
  237. strncpy (ProgramName, Name, MAX_NAME_LEN);
  238. {
  239. char *S;
  240. for (S = ProgramName; *S; S++)
  241. *S = tolower (*S);
  242. }
  243. }
  244. else
  245. Error (NULL, "`--varname' option must be followed by a name.");
  246. }
  247. #ifdef DATA_VAR_SUPPORT
  248. else if (ArgMatches ("data-var") || ArgMatches ("d"))
  249. {
  250. if ((++CurArg) < ArgCount)
  251. {
  252. // Extract variable name.
  253. const char *Name = strchr (Args [CurArg], '/');
  254. if (!Name)
  255. Name = strchr (Args [CurArg], '\\');
  256. if (Name)
  257. {
  258. Name++;
  259. // Extract folder name.
  260. strncpy (DataFolder, Args [CurArg], MAX_NAME_LEN);
  261. {
  262. char *S;
  263. for (S = DataFolder; *S; S++)
  264. {
  265. if (*S == '/' || *S == '\\')
  266. {
  267. *S = 0;
  268. break;
  269. }
  270. else
  271. *S = tolower (*S);
  272. }
  273. }
  274. sprintf (DataVarString, "%s\\", DataFolder);
  275. }
  276. else
  277. {
  278. Name = Args [CurArg];
  279. *DataVarString = 0;
  280. }
  281. strncpy (DataName, Name, MAX_NAME_LEN);
  282. {
  283. char *S;
  284. for (S = DataName; *S; S++)
  285. *S = tolower (*S);
  286. }
  287. strcat (DataVarString, DataName);
  288. DatVarInfo->Name = DataVarString;
  289. DatVarInfo->CreateCopy = TRUE;
  290. DatVarInfo->CopyOnlyIfArchived = TRUE;
  291. }
  292. else
  293. Error (NULL, "`--data-var' option must be followed by a name.");
  294. }
  295. else if (!(strncmp (Arg, "data-var-copy=", sizeof ("data-var-copy=") - 1)))
  296. {
  297. Arg += sizeof ("data-var-copy=") - 1;
  298. if (ArgMatches ("always"))
  299. {
  300. DatVarInfo->CreateCopy = TRUE;
  301. DatVarInfo->CopyOnlyIfArchived = FALSE;
  302. }
  303. else if (ArgMatches ("archived"))
  304. {
  305. DatVarInfo->CreateCopy = TRUE;
  306. DatVarInfo->CopyOnlyIfArchived = TRUE;
  307. }
  308. else if (ArgMatches ("never"))
  309. {
  310. DatVarInfo->CreateCopy = FALSE;
  311. DatVarInfo->CopyOnlyIfArchived = FALSE;
  312. }
  313. else
  314. Error (NULL, "Unrecognized copying condition `%s'.", Arg);
  315. }
  316. #endif /* DATA_VAR_SUPPORT */
  317. else
  318. Error (NULL, "Unrecognized option `%s'.", Args [CurArg]);
  319. }
  320. else
  321. {
  322. // Treat it as a file name.
  323. // Open the file and load it into memory.
  324. {
  325. FILE *File = fopen (Arg, "rb");
  326. if (File)
  327. {
  328. SIZE Size;
  329. fseek (File, 0, SEEK_END);
  330. Size = ftell (File);
  331. rewind (File);
  332. {
  333. I1 *Data = malloc (Size);
  334. if (Data)
  335. {
  336. BOOLEAN IsArchive = FALSE;
  337. if (fread (Data, Size, 1, File) == 1)
  338. {
  339. // Act differently depending on the
  340. // file type.
  341. IsArchive = IsArchiveFile (Data, Size);
  342. if (IsArchive)
  343. {
  344. // Add the file to the list of
  345. // available archives.
  346. AddArchiveFile (&Program, Data, Size, Arg);
  347. }
  348. else
  349. {
  350. // Adjust the destination file
  351. // name if it isn't set yet.
  352. if (!DestFile)
  353. {
  354. const char *DotPos, *SlashPos;
  355. // Assign the destination file name.
  356. DestFile = Arg;
  357. DestFileSize = strlen (Arg);
  358. // Cut it at the last dot.
  359. DotPos = strrchr (Arg, '.');
  360. if (DotPos)
  361. {
  362. SlashPos = strrchr (Arg, '/');
  363. if (!SlashPos)
  364. SlashPos = strrchr (Arg, '\\');
  365. if ((!SlashPos) || (DotPos > SlashPos))
  366. DestFileSize = DotPos - Arg;
  367. }
  368. }
  369. // Import the file.
  370. ImportObjectFile (&Program, Data, Size, Arg);
  371. }
  372. }
  373. else
  374. Error (Arg, "Unable to read file.");
  375. // Archives are not imported; they keep
  376. // their data until they are freed.
  377. if (!IsArchive)
  378. free (Data);
  379. }
  380. else
  381. Error (Arg, "Not enough memory to load file.");
  382. }
  383. fclose (File);
  384. }
  385. else
  386. Error (Arg, "Unable to open file.");
  387. }
  388. }
  389. }
  390. }
  391. // Adjust the program's name if it isn't set yet.
  392. if (DestFile && (!(*ProgramName)))
  393. {
  394. // Start at the last separator.
  395. const char *Name = strrchr (DestFile, '/');
  396. if (!Name)
  397. Name = strrchr (DestFile, '\\');
  398. if (Name)
  399. Name++;
  400. else
  401. Name = DestFile;
  402. // Copy into name field.
  403. strncpy (ProgramName, Name, MAX_NAME_LEN);
  404. {
  405. // Cut at first dot.
  406. char *S = strchr (ProgramName, '.');
  407. if (S)
  408. *S = 0;
  409. // Cut at first space.
  410. S = strchr (ProgramName, ' ');
  411. if (S)
  412. *S = 0;
  413. // Convert to lowercase.
  414. for (S = ProgramName; *S; S++)
  415. *S = tolower (*S);
  416. }
  417. }
  418. }