tools/winedump/main.c

   1 /*
   2  *  Option processing and main()
   3  *
   4  *  Copyright 2000 Jon Griffiths
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #include "config.h"
  22 #include "wine/port.h"
  23
  24 #include "winedump.h"
  25
  26 _globals globals; /* All global variables */
  27
  28
  29 static void do_include (const char *arg)
  30 {
  31   char *newIncludes;
  32
  33   if (!globals.directory)
  34     globals.directory = strdup(arg);
  35   else {
  36     newIncludes = str_create (3,globals.directory," ",arg);
  37     free(globals.directory);
  38     globals.directory = newIncludes;
  39   }
  40   globals.do_code = 1;
  41 }
  42
  43
  44 static inline const char* strip_ext (const char *str)
  45 {
  46   int len = strlen(str);
  47   if (len>4 && strcmp(str+len-4,".dll") == 0)
  48     return str_substring (str, str+len-4);
  49   else
  50     return strdup (str);
  51 }
  52
  53
  54 static void do_name (const char *arg)
  55 {
  56   globals.dll_name = strip_ext (arg);
  57 }
  58
  59
  60 static void do_spec (const char *arg)
  61 {
  62     if (globals.mode != NONE) fatal("Only one mode can be specified\n");
  63     globals.mode = SPEC;
  64 }
  65
  66
  67 static void do_demangle (const char *arg)
  68 {
  69     if (globals.mode != NONE) fatal("Only one mode can be specified\n");
  70     globals.mode = DMGL;
  71     globals.do_code = 1;
  72     globals.do_demangle = 1;
  73 }
  74
  75
  76 static void do_dump (const char *arg)
  77 {
  78     if (globals.mode != NONE) fatal("Only one mode can be specified\n");
  79     globals.mode = DUMP;
  80     globals.do_code = 1;
  81 }
  82
  83
  84 static void do_code (const char *arg)
  85 {
  86   globals.do_code = 1;
  87 }
  88
  89
  90 static void do_trace (const char *arg)
  91 {
  92   globals.do_trace = 1;
  93   globals.do_code = 1;
  94 }
  95
  96
  97 static void do_forward (const char *arg)
  98 {
  99   globals.forward_dll = arg;
 100   globals.do_trace = 1;
 101   globals.do_code = 1;
 102 }
 103
 104 static void do_document (const char *arg)
 105 {
 106   globals.do_documentation = 1;
 107 }
 108
 109 static void do_cdecl (const char *arg)
 110 {
 111   globals.do_cdecl = 1;
 112 }
 113
 114
 115 static void do_quiet (const char *arg)
 116 {
 117   globals.do_quiet = 1;
 118 }
 119
 120
 121 static void do_start (const char *arg)
 122 {
 123   globals.start_ordinal = atoi (arg);
 124   if (!globals.start_ordinal)
 125     fatal ("Invalid -s option (must be numeric)");
 126 }
 127
 128
 129 static void do_end (const char *arg)
 130 {
 131   globals.end_ordinal = atoi (arg);
 132   if (!globals.end_ordinal)
 133     fatal ("Invalid -e option (must be numeric)");
 134 }
 135
 136
 137 static void do_symfile (const char *arg)
 138 {
 139   FILE *f;
 140   char symstring[256];    /* keep count with "%<width>s" below */
 141   search_symbol *symbolp,**symbolptail = &globals.search_symbol;
 142
 143   if (!(f = fopen(arg, "rt")))
 144     fatal ("Cannot open <symfile>");
 145   while (1 == fscanf(f, "%255s", symstring))    /* keep count with [<width>] above */
 146   {
 147     symstring[sizeof(symstring)-1] = '\0';
 148     if (!(symbolp = malloc(sizeof(*symbolp) + strlen(symstring))))
 149       fatal ("Out of memory");
 150     strcpy(symbolp->symbolname, symstring);
 151     symbolp->found = 0;
 152     symbolp->next = NULL;
 153     *symbolptail = symbolp;
 154     symbolptail = &symbolp->next;
 155   }
 156   if (fclose(f))
 157     fatal ("Cannot close <symfile>");
 158 }
 159
 160
 161 static void do_verbose (const char *arg)
 162 {
 163   globals.do_verbose = 1;
 164 }
 165
 166
 167 static void do_symdmngl (const char *arg)
 168 {
 169     globals.do_demangle = 1;
 170 }
 171
 172 static void do_dumphead (const char *arg)
 173 {
 174     globals.do_dumpheader = 1;
 175 }
 176
 177 static void do_dumpsect (const char* arg)
 178 {
 179     globals.dumpsect = arg;
 180 }
 181
 182 static void do_rawdebug (const char *arg)
 183 {
 184     globals.do_debug = 1;
 185 }
 186
 187 static void do_dumpall(const char *arg)
 188 {
 189     globals.do_dumpheader = 1;
 190     globals.do_dump_rawdata = 1;
 191     globals.do_symbol_table = 1;
 192     globals.dumpsect = "ALL";
 193 }
 194
 195 static void do_symtable(const char* arg)
 196 {
 197     globals.do_symbol_table = 1;
 198 }
 199
 200 struct my_option
 201 {
 202   const char *name;
 203   Mode mode;
 204   int   has_arg;
 205   void  (*func)(const char *arg);
 206   const char *usage;
 207 };
 208
 209 static const struct my_option option_table[] = {
 210   {"--help",NONE, 0, do_usage,    "--help       Display this help message"},
 211   {"-h",    NONE, 0, do_usage,    "-h           Synonym for --help"},
 212   {"-?",    NONE, 0, do_usage,    "-?           Synonym for --help"},
 213   {"sym",   DMGL, 0, do_demangle, "sym <sym>    Demangle C++ symbol <sym> and exit"},
 214   {"spec",  SPEC, 0, do_spec,     "spec <dll>   Use dll for input file and generate implementation code"},
 215   {"-I",    SPEC, 1, do_include,  "-I dir       Look for prototypes in 'dir' (implies -c)"},
 216   {"-c",    SPEC, 0, do_code,     "-c           Generate skeleton code (requires -I)"},
 217   {"-t",    SPEC, 0, do_trace,    "-t           TRACE arguments (implies -c)"},
 218   {"-f",    SPEC, 1, do_forward,  "-f dll       Forward calls to 'dll' (implies -t)"},
 219   {"-D",    SPEC, 0, do_document, "-D           Generate documentation"},
 220   {"-o",    SPEC, 1, do_name,     "-o name      Set the output dll name (default: dll). note: strips .dll extensions"},
 221   {"-C",    SPEC, 0, do_cdecl,    "-C           Assume __cdecl calls (default: __stdcall)"},
 222   {"-s",    SPEC, 1, do_start,    "-s num       Start prototype search after symbol 'num'"},
 223   {"-e",    SPEC, 1, do_end,      "-e num       End prototype search after symbol 'num'"},
 224   {"-S",    SPEC, 1, do_symfile,  "-S symfile   Search only prototype names found in 'symfile'"},
 225   {"-q",    SPEC, 0, do_quiet,    "-q           Don't show progress (quiet)."},
 226   {"-v",    SPEC, 0, do_verbose,  "-v           Show lots of detail while working (verbose)."},
 227   {"dump",  DUMP, 0, do_dump,     "dump <file>  Dumps the contents of a file (dll, exe, lib...)"},
 228   {"-C",    DUMP, 0, do_symdmngl, "-C           Turns on symbol demangling"},
 229   {"-f",    DUMP, 0, do_dumphead, "-f           Dumps file header information"},
 230   {"-G",    DUMP, 0, do_rawdebug, "-G           Dumps raw debug information"},
 231   {"-j",    DUMP, 1, do_dumpsect, "-j sect_name Dumps only the content of section sect_name (import, export, debug, resource, tls, clr, reloc, except)"},
 232   {"-t",    DUMP, 0, do_symtable, "-t           Dumps symbol table"},
 233   {"-x",    DUMP, 0, do_dumpall,  "-x           Dumps everything"},
 234   {NULL,    NONE, 0, NULL,        NULL}
 235 };
 236
 237 void do_usage (const char *arg)
 238 {
 239     const struct my_option *opt;
 240     printf ("Usage: winedump [-h | sym <sym> | spec <dll> | dump <file>]\n");
 241     printf ("Mode options (can be put as the mode (sym/spec/dump...) is declared):\n");
 242     printf ("\tWhen used in --help mode\n");
 243     for (opt = option_table; opt->name; opt++)
 244         if (opt->mode == NONE)
 245             printf ("\t   %s\n", opt->usage);
 246     printf ("\tWhen used in sym mode\n");
 247     for (opt = option_table; opt->name; opt++)
 248         if (opt->mode == DMGL)
 249             printf ("\t   %s\n", opt->usage);
 250     printf ("\tWhen used in spec mode\n");
 251     for (opt = option_table; opt->name; opt++)
 252         if (opt->mode == SPEC)
 253             printf ("\t   %s\n", opt->usage);
 254     printf ("\tWhen used in dump mode\n");
 255     for (opt = option_table; opt->name; opt++)
 256         if (opt->mode == DUMP)
 257             printf ("\t   %s\n", opt->usage);
 258
 259     puts ("");
 260     exit (1);
 261 }
 262
 263
 264 /*******************************************************************
 265  *          parse_options
 266  *
 267  * Parse options from the argv array
 268  */
 269 static void parse_options (char *argv[])
 270 {
 271   const struct my_option *opt;
 272   char *const *ptr;
 273   const char *arg = NULL;
 274
 275   ptr = argv + 1;
 276
 277   while (*ptr != NULL)
 278   {
 279     for (opt = option_table; opt->name; opt++)
 280     {
 281      if (globals.mode != NONE && opt->mode != NONE && globals.mode != opt->mode)
 282        continue;
 283      if (((opt->has_arg == 1) && !strncmp (*ptr, opt->name, strlen (opt->name))) ||
 284          ((opt->has_arg == 2) && !strcmp (*ptr, opt->name)))
 285       {
 286         arg = *ptr + strlen (opt->name);
 287         if (*arg == '\0') arg = *++ptr;
 288         break;
 289       }
 290       if (!strcmp (*ptr, opt->name))
 291       {
 292         arg = NULL;
 293         break;
 294       }
 295     }
 296
 297     if (!opt->name)
 298     {
 299         if ((*ptr)[0] == '-')
 300             fatal ("Unrecognized option");
 301         if (globals.input_name != NULL)
 302             fatal ("Only one file can be treated at once");
 303         globals.input_name = *ptr;
 304     }
 305     else if (opt->has_arg && arg != NULL)
 306         opt->func (arg);
 307     else
 308         opt->func ("");
 309
 310     ptr++;
 311   }
 312
 313   if (globals.mode == SPEC && globals.do_code && !globals.directory)
 314     fatal ("-I must be used if generating code");
 315
 316   if (VERBOSE && QUIET)
 317     fatal ("Options -v and -q are mutually exclusive");
 318
 319   if (globals.mode == NONE)
 320       do_dump("");
 321 }
 322
 323 static void set_module_name(unsigned setUC)
 324 {
 325     const char* ptr;
 326     char*       buf;
 327     int         len;
 328
 329     /* FIXME: we shouldn't assume all module extensions are .dll in winedump
 330      * in some cases, we could have some .drv for example
 331      */
 332     /* get module name from name */
 333     if ((ptr = strrchr (globals.input_name, '/')))
 334         ptr++;
 335     else
 336         ptr = globals.input_name;
 337     len = strlen(ptr);
 338     if (len > 4 && strcmp(ptr + len - 4, ".dll") == 0)
 339         len -= 4;
 340     buf = malloc(len + 1);
 341     memcpy(buf, (const void*)ptr, len);
 342     buf[len] = 0;
 343     globals.input_module = buf;
 344     OUTPUT_UC_DLL_NAME = (setUC) ? str_toupper( strdup (OUTPUT_DLL_NAME)) : "";
 345 }
 346
 347 /* Marks the symbol as 'found'! */
 348 /* return: perform-search */
 349 static int symbol_searched(int count, const char *symbolname)
 350 {
 351     search_symbol *search_symbol;
 352
 353     if (!(count >= globals.start_ordinal
 354           && (!globals.end_ordinal || count <= globals.end_ordinal)))
 355         return 0;
 356     if (!globals.search_symbol)
 357         return 1;
 358     for (search_symbol = globals.search_symbol;
 359          search_symbol;
 360          search_symbol = search_symbol->next)
 361     {
 362         if (!strcmp(symbolname, search_symbol->symbolname))
 363         {
 364             search_symbol->found = 1;
 365             return 1;
 366         }
 367     }
 368     return 0;
 369 }
 370
 371 /* return: some symbols weren't found */
 372 static int symbol_finish(void)
 373 {
 374     const search_symbol *search_symbol;
 375     int started = 0;
 376
 377     for (search_symbol = globals.search_symbol;
 378          search_symbol;
 379          search_symbol = search_symbol->next)
 380     {
 381         if (search_symbol->found)
 382             continue;
 383         if (!started)
 384         {
 385             /* stderr? not a practice here */
 386             puts("These requested <symfile> symbols weren't found:");
 387             started = 1;
 388         }
 389         printf("\t%s\n",search_symbol->symbolname);
 390     }
 391     return started;
 392 }
 393
 394 /*******************************************************************
 395  *         main
 396  */
 397 #ifdef __GNUC__
 398 int   main (int argc __attribute__((unused)), char *argv[])
 399 #else
 400 int   main (int argc, char *argv[])
 401 #endif
 402 {
 403     parsed_symbol symbol;
 404     int count = 0;
 405
 406     globals.mode = NONE;
 407     globals.forward_dll = NULL;
 408     globals.input_name = NULL;
 409     globals.dumpsect = NULL;
 410
 411     parse_options (argv);
 412
 413     memset (&symbol, 0, sizeof (parsed_symbol));
 414
 415     switch (globals.mode)
 416     {
 417     case DMGL:
 418         VERBOSE = 1;
 419
 420         if (globals.input_name == NULL)
 421             fatal("No symbol name has been given\n");
 422         printf("%s\n", get_symbol_str(globals.input_name));
 423         break;
 424
 425     case SPEC:
 426         if (globals.input_name == NULL)
 427             fatal("No file name has been given\n");
 428         set_module_name(1);
 429         if (!dll_open (globals.input_name))
 430             break;
 431
 432         output_spec_preamble ();
 433         output_header_preamble ();
 434         output_c_preamble ();
 435
 436         while (!dll_next_symbol (&symbol))
 437         {
 438             count++;
 439
 440             if (NORMAL)
 441                 printf ("Export %3d - '%s' ...%c", count, symbol.symbol,
 442                         VERBOSE ? '\n' : ' ');
 443
 444             if (globals.do_code && symbol_searched(count, symbol.symbol))
 445             {
 446                 /* Attempt to get information about the symbol */
 447                 int result = symbol_demangle (&symbol);
 448
 449                 if (result)
 450                     result = symbol_search (&symbol);
 451
 452                 if (!result && symbol.function_name)
 453                     /* Clean up the prototype */
 454                     symbol_clean_string (symbol.function_name);
 455
 456                 if (NORMAL)
 457                     puts (result ? "[Not Found]" : "[OK]");
 458             }
 459             else if (NORMAL)
 460                 puts ("[Ignoring]");
 461
 462             output_spec_symbol (&symbol);
 463             output_header_symbol (&symbol);
 464             output_c_symbol (&symbol);
 465
 466             symbol_clear (&symbol);
 467         }
 468
 469         output_makefile ();
 470
 471         if (VERBOSE)
 472             puts ("Finished, Cleaning up...");
 473         if (symbol_finish())
 474             return 1;
 475         break;
 476     case NONE:
 477         do_usage(0);
 478         break;
 479     case DUMP:
 480         if (globals.input_name == NULL)
 481             fatal("No file name has been given\n");
 482         set_module_name(0);
 483         dump_file(globals.input_name);
 484         break;
 485     }
 486
 487     return 0;
 488 }