git.oblomov.eu Git - wine/blob - tools/winedump/pe.c

   1 /*
   2  *      PE dumping utility
   3  *
   4  *      Copyright 2001 Eric Pouech
   5  */
   6
   7 #include <stdlib.h>
   8 #include <stdio.h>
   9 #include <unistd.h>
  10 #include <time.h>
  11 #include <sys/types.h>
  12 #include <sys/stat.h>
  13 #include <sys/mman.h>
  14 #include <fcntl.h>
  15
  16 #include "winnt.h"
  17 #include "winedump.h"
  18 #include "pe.h"
  19
  20 static void*                    base;
  21 static unsigned long            total_len;
  22 static IMAGE_NT_HEADERS*        nt_headers;
  23
  24 enum FileSig {SIG_UNKNOWN, SIG_DOS, SIG_PE, SIG_DBG};
  25
  26 char*   get_time_str(DWORD _t)
  27 {
  28     time_t      t = (time_t)_t;
  29     static char buf[128];
  30
  31     /* FIXME: I don't get the same values from MS' pedump running under Wine...
  32      * I wonder if Wine isn't broken wrt to GMT settings...
  33      */
  34     strncpy(buf, ctime(&t), sizeof(buf));
  35     buf[sizeof(buf) - 1] = '\0';
  36     if (buf[strlen(buf)-1] == '\n')
  37         buf[strlen(buf)-1] = '\0';
  38     return buf;
  39 }
  40
  41 static  const char* get_machine_str(DWORD mach)
  42 {
  43     switch (mach)
  44     {
  45     case IMAGE_FILE_MACHINE_UNKNOWN:    return "Unknown";
  46     case IMAGE_FILE_MACHINE_I860:       return "i860";
  47     case IMAGE_FILE_MACHINE_I386:       return "i386";
  48     case IMAGE_FILE_MACHINE_R3000:      return "R3000";
  49     case IMAGE_FILE_MACHINE_R4000:      return "R4000";
  50     case IMAGE_FILE_MACHINE_R10000:     return "R10000";
  51     case IMAGE_FILE_MACHINE_ALPHA:      return "Alpha";
  52     case IMAGE_FILE_MACHINE_POWERPC:    return "PowerPC";
  53     }
  54     return "???";
  55 }
  56
  57 void*   PRD(unsigned long prd, unsigned long len)
  58 {
  59     return (prd + len > total_len) ? NULL : (char*)base + prd;
  60 }
  61
  62 unsigned long Offset(void* ptr)
  63 {
  64     if (ptr < base) {printf("<<<<<ptr below\n");return 0;}
  65     if (ptr >= base + total_len) {printf("<<<<<ptr above\n");return 0;}
  66     return ptr - base;
  67 }
  68
  69 void*   RVA(unsigned long rva, unsigned long len)
  70 {
  71     IMAGE_SECTION_HEADER*       sectHead;
  72     int                         i;
  73
  74     sectHead = (IMAGE_SECTION_HEADER*)((char*)nt_headers + sizeof(DWORD) +
  75                                        sizeof(IMAGE_FILE_HEADER) +
  76                                        nt_headers->FileHeader.SizeOfOptionalHeader);
  77
  78     if (rva == 0) return NULL;
  79
  80     for (i = nt_headers->FileHeader.NumberOfSections - 1; i >= 0; i--)
  81     {
  82         if (sectHead[i].VirtualAddress <= rva &&
  83             rva + len <= (DWORD)sectHead[i].VirtualAddress + sectHead[i].SizeOfRawData)
  84             break;
  85     }
  86
  87     if (i < 0)
  88     {
  89         printf("rva not found in any section (%lu)\n", rva);
  90         return NULL;
  91     }
  92
  93     /* return image import directory offset */
  94     return PRD(sectHead[i].PointerToRawData + rva - sectHead[i].VirtualAddress, len);
  95 }
  96
  97 static  void*   get_dir(unsigned idx)
  98 {
  99     if (idx >= nt_headers->OptionalHeader.NumberOfRvaAndSizes)
 100         return NULL;
 101     return RVA(nt_headers->OptionalHeader.DataDirectory[idx].VirtualAddress,
 102                nt_headers->OptionalHeader.DataDirectory[idx].Size);
 103 }
 104
 105 static const char*      DirectoryNames[16] = {
 106     "EXPORT",           "IMPORT",       "RESOURCE",     "EXCEPTION",
 107     "SECURITY",         "BASERELOC",    "DEBUG",        "ARCHITECTURE",
 108     "GLOBALPTR",        "TLS",          "LOAD_CONFIG",  "Bound IAT",
 109     "IAT",              "Delay IAT",    "COM Descript", ""
 110 };
 111
 112 static  void    dump_pe_header(void)
 113 {
 114     char                        *str;
 115     IMAGE_FILE_HEADER           *fileHeader;
 116     IMAGE_OPTIONAL_HEADER       *optionalHeader;
 117     unsigned                    i;
 118
 119     printf("File Header\n");
 120     fileHeader = &nt_headers->FileHeader;
 121
 122     printf("  Machine:                      %04X (%s)\n",
 123            fileHeader->Machine, get_machine_str(fileHeader->Machine));
 124     printf("  Number of Sections:           %d\n", fileHeader->NumberOfSections);
 125     printf("  TimeDateStamp:                %08lX (%s) offset %ld\n",
 126            fileHeader->TimeDateStamp, get_time_str(fileHeader->TimeDateStamp),
 127            Offset(&(fileHeader->TimeDateStamp)));
 128     printf("  PointerToSymbolTable:         %08lX\n", fileHeader->PointerToSymbolTable);
 129     printf("  NumberOfSymbols:              %08lX\n", fileHeader->NumberOfSymbols);
 130     printf("  SizeOfOptionalHeader:         %04X\n", fileHeader->SizeOfOptionalHeader);
 131     printf("  Characteristics:              %04X\n", fileHeader->Characteristics);
 132 #define X(f,s)  if (fileHeader->Characteristics & f) printf("    %s\n", s)
 133     X(IMAGE_FILE_RELOCS_STRIPPED,       "RELOCS_STRIPPED");
 134     X(IMAGE_FILE_EXECUTABLE_IMAGE,      "EXECUTABLE_IMAGE");
 135     X(IMAGE_FILE_LINE_NUMS_STRIPPED,    "LINE_NUMS_STRIPPED");
 136     X(IMAGE_FILE_LOCAL_SYMS_STRIPPED,   "LOCAL_SYMS_STRIPPED");
 137     X(IMAGE_FILE_16BIT_MACHINE,         "16BIT_MACHINE");
 138     X(IMAGE_FILE_BYTES_REVERSED_LO,     "BYTES_REVERSED_LO");
 139     X(IMAGE_FILE_32BIT_MACHINE,         "32BIT_MACHINE");
 140     X(IMAGE_FILE_DEBUG_STRIPPED,        "DEBUG_STRIPPED");
 141     X(IMAGE_FILE_SYSTEM,                "SYSTEM");
 142     X(IMAGE_FILE_DLL,                   "DLL");
 143     X(IMAGE_FILE_BYTES_REVERSED_HI,     "BYTES_REVERSED_HI");
 144 #undef X
 145     printf("\n");
 146
 147     /* hope we have the right size */
 148     printf("Optional Header\n");
 149     optionalHeader = &nt_headers->OptionalHeader;
 150     printf("  Magic                              0x%-4X         %u\n",
 151            optionalHeader->Magic, optionalHeader->Magic);
 152     printf("  linker version                     %u.%02u\n",
 153            optionalHeader->MajorLinkerVersion, optionalHeader->MinorLinkerVersion);
 154     printf("  size of code                       0x%-8lx     %lu\n",
 155            optionalHeader->SizeOfCode, optionalHeader->SizeOfCode);
 156     printf("  size of initialized data           0x%-8lx     %lu\n",
 157            optionalHeader->SizeOfInitializedData, optionalHeader->SizeOfInitializedData);
 158     printf("  size of uninitialized data         0x%-8lx     %lu\n",
 159            optionalHeader->SizeOfUninitializedData, optionalHeader->SizeOfUninitializedData);
 160     printf("  entrypoint RVA                     0x%-8lx     %lu\n",
 161            optionalHeader->AddressOfEntryPoint, optionalHeader->AddressOfEntryPoint);
 162     printf("  base of code                       0x%-8lx     %lu\n",
 163            optionalHeader->BaseOfCode, optionalHeader->BaseOfCode);
 164     printf("  base of data                       0x%-8lX     %lu\n",
 165            optionalHeader->BaseOfData, optionalHeader->BaseOfData);
 166     printf("  image base                         0x%-8lX     %lu\n",
 167            optionalHeader->ImageBase, optionalHeader->ImageBase);
 168     printf("  section align                      0x%-8lx     %lu\n",
 169            optionalHeader->SectionAlignment, optionalHeader->SectionAlignment);
 170     printf("  file align                         0x%-8lx     %lu\n",
 171            optionalHeader->FileAlignment, optionalHeader->FileAlignment);
 172     printf("  required OS version                %u.%02u\n",
 173            optionalHeader->MajorOperatingSystemVersion, optionalHeader->MinorOperatingSystemVersion);
 174     printf("  image version                      %u.%02u\n",
 175            optionalHeader->MajorImageVersion, optionalHeader->MinorImageVersion);
 176     printf("  subsystem version                  %u.%02u\n",
 177            optionalHeader->MajorSubsystemVersion, optionalHeader->MinorSubsystemVersion);
 178     printf("  Win32 Version                      0x%lX\n", optionalHeader->Win32VersionValue);
 179     printf("  size of image                      0x%-8lx     %lu\n",
 180            optionalHeader->SizeOfImage, optionalHeader->SizeOfImage);
 181     printf("  size of headers                    0x%-8lx     %lu\n",
 182            optionalHeader->SizeOfHeaders, optionalHeader->SizeOfHeaders);
 183     printf("  checksum                           0x%lX\n", optionalHeader->CheckSum);
 184     switch (optionalHeader->Subsystem)
 185     {
 186     default:
 187     case IMAGE_SUBSYSTEM_UNKNOWN:       str = "Unknown";        break;
 188     case IMAGE_SUBSYSTEM_NATIVE:        str = "Native";         break;
 189     case IMAGE_SUBSYSTEM_WINDOWS_GUI:   str = "Windows GUI";    break;
 190     case IMAGE_SUBSYSTEM_WINDOWS_CUI:   str = "Windows CUI";    break;
 191     case IMAGE_SUBSYSTEM_OS2_CUI:       str = "OS/2 CUI";       break;
 192     case IMAGE_SUBSYSTEM_POSIX_CUI:     str = "Posix CUI";      break;
 193     }
 194     printf("  Subsystem                          0x%X (%s)\n", optionalHeader->Subsystem, str);
 195     printf("  DLL flags                          0x%X\n", optionalHeader->DllCharacteristics);
 196     printf("  stack reserve size                 0x%-8lx     %lu\n",
 197            optionalHeader->SizeOfStackReserve, optionalHeader->SizeOfStackReserve);
 198     printf("  stack commit size                  0x%-8lx     %lu\n",
 199            optionalHeader->SizeOfStackCommit, optionalHeader->SizeOfStackCommit);
 200     printf("  heap reserve size                  0x%-8lx     %lu\n",
 201            optionalHeader->SizeOfHeapReserve, optionalHeader->SizeOfHeapReserve);
 202     printf("  heap commit size                   0x%-8lx     %lu\n",
 203            optionalHeader->SizeOfHeapCommit, optionalHeader->SizeOfHeapCommit);
 204     printf("  loader flags                       0x%lX\n", optionalHeader->LoaderFlags);
 205     printf("  RVAs & sizes                       0x%lX\n", optionalHeader->NumberOfRvaAndSizes);
 206     printf("\n");
 207
 208     printf("Data Directory\n");
 209     printf("%ld\n", optionalHeader->NumberOfRvaAndSizes * sizeof(IMAGE_DATA_DIRECTORY));
 210
 211     for (i = 0; i < optionalHeader->NumberOfRvaAndSizes && i < 16; i++)
 212     {
 213         printf("  %-12s rva: 0x%-8lX  size: %8lu\n",
 214                DirectoryNames[i], optionalHeader->DataDirectory[i].VirtualAddress,
 215                optionalHeader->DataDirectory[i].Size);
 216     }
 217     printf("\n");
 218 }
 219
 220 static  void    dump_sections(void* addr, unsigned num_sect)
 221 {
 222     IMAGE_SECTION_HEADER*       sectHead = addr;
 223     unsigned                    i;
 224
 225     printf("Section Table\n");
 226     for (i = 0; i < num_sect; i++, sectHead++)
 227     {
 228         printf("  %02d %-8s   VirtSize: %-8lu  VirtAddr:  %-8lu 0x%08lx\n",
 229                i + 1, sectHead->Name, sectHead->Misc.VirtualSize, sectHead->VirtualAddress,
 230                sectHead->VirtualAddress);
 231         printf("    raw data offs: %-8lu raw data size: %-8lu\n",
 232                sectHead->PointerToRawData, sectHead->SizeOfRawData);
 233         printf("    relocation offs: %-8lu  relocations:   %-8u\n",
 234                sectHead->PointerToRelocations, sectHead->NumberOfRelocations);
 235         printf("    line # offs:     %-8lu  line #'s:      %-8u\n",
 236                sectHead->PointerToLinenumbers, sectHead->NumberOfLinenumbers);
 237         printf("    characteristics: 0x$%08lx\n", sectHead->Characteristics);
 238         printf("      ");
 239 #define X(b,s)  if (sectHead->Characteristics & b) printf(s "  ")
 240 /* #define IMAGE_SCN_TYPE_REG                   0x00000000 - Reserved */
 241 /* #define IMAGE_SCN_TYPE_DSECT                 0x00000001 - Reserved */
 242 /* #define IMAGE_SCN_TYPE_NOLOAD                0x00000002 - Reserved */
 243 /* #define IMAGE_SCN_TYPE_GROUP                 0x00000004 - Reserved */
 244 /* #define IMAGE_SCN_TYPE_NO_PAD                0x00000008 - Reserved */
 245 /* #define IMAGE_SCN_TYPE_COPY                  0x00000010 - Reserved */
 246
 247         X(IMAGE_SCN_CNT_CODE,                   "CODE");
 248         X(IMAGE_SCN_CNT_INITIALIZED_DATA,       "INITIALIZED_DATA");
 249         X(IMAGE_SCN_CNT_UNINITIALIZED_DATA,     "UNINITIALIZED_DATA");
 250
 251         X(IMAGE_SCN_LNK_OTHER,                  "LNK_OTHER");
 252         X(IMAGE_SCN_LNK_INFO,                   "LNK_INFO");
 253 /* #define      IMAGE_SCN_TYPE_OVER             0x00000400 - Reserved */
 254         X(IMAGE_SCN_LNK_REMOVE,                 "LNK_REMOVE");
 255         X(IMAGE_SCN_LNK_COMDAT,                 "LNK_COMDAT");
 256
 257 /*                                              0x00002000 - Reserved */
 258 /* #define IMAGE_SCN_MEM_PROTECTED              0x00004000 - Obsolete */
 259         X(IMAGE_SCN_MEM_FARDATA,                "MEM_FARDATA");
 260
 261 /* #define IMAGE_SCN_MEM_SYSHEAP                0x00010000 - Obsolete */
 262         X(IMAGE_SCN_MEM_PURGEABLE,              "MEM_PURGEABLE");
 263         X(IMAGE_SCN_MEM_16BIT,                  "MEM_16BIT");
 264         X(IMAGE_SCN_MEM_LOCKED,                 "MEM_LOCKED");
 265         X(IMAGE_SCN_MEM_PRELOAD,                "MEM_PRELOAD");
 266
 267         X(IMAGE_SCN_ALIGN_1BYTES,               "ALIGN_1BYTES");
 268         X(IMAGE_SCN_ALIGN_2BYTES,               "ALIGN_2BYTES");
 269         X(IMAGE_SCN_ALIGN_4BYTES,               "ALIGN_4BYTES");
 270         X(IMAGE_SCN_ALIGN_8BYTES,               "ALIGN_8BYTES");
 271         X(IMAGE_SCN_ALIGN_16BYTES,              "ALIGN_16BYTES");
 272         X(IMAGE_SCN_ALIGN_32BYTES,              "ALIGN_32BYTES");
 273         X(IMAGE_SCN_ALIGN_64BYTES,              "ALIGN_64BYTES");
 274 /*                                              0x00800000 - Unused */
 275
 276         X(IMAGE_SCN_LNK_NRELOC_OVFL,            "LNK_NRELOC_OVFL");
 277
 278         X(IMAGE_SCN_MEM_DISCARDABLE,            "MEM_DISCARDABLE");
 279         X(IMAGE_SCN_MEM_NOT_CACHED,             "MEM_NOT_CACHED");
 280         X(IMAGE_SCN_MEM_NOT_PAGED,              "MEM_NOT_PAGED");
 281         X(IMAGE_SCN_MEM_SHARED,                 "MEM_SHARED");
 282         X(IMAGE_SCN_MEM_EXECUTE,                "MEM_EXECUTE");
 283         X(IMAGE_SCN_MEM_READ,                   "MEM_READ");
 284         X(IMAGE_SCN_MEM_WRITE,                  "MEM_WRITE");
 285 #undef X
 286         printf("\n\n");
 287     }
 288     printf("\n");
 289 }
 290
 291 static  void    dump_dir_exported_functions(void)
 292 {
 293     IMAGE_EXPORT_DIRECTORY      *exportDir = get_dir(IMAGE_FILE_EXPORT_DIRECTORY);
 294     unsigned int                i;
 295     DWORD*                      pFunc;
 296     DWORD*                      pName;
 297     WORD*                       pOrdl;
 298     DWORD*                      map;
 299     parsed_symbol               symbol;
 300
 301     if (!exportDir) return;
 302
 303     printf("Exports table:\n");
 304     printf("\n");
 305     printf("  Name:            %s\n", (char*)RVA(exportDir->Name, sizeof(DWORD)));
 306     printf("  Characteristics: %08lx\n", exportDir->Characteristics);
 307     printf("  TimeDateStamp:   %08lX %s\n",
 308            exportDir->TimeDateStamp, get_time_str(exportDir->TimeDateStamp));
 309     printf("  Version:         %u.%02u\n", exportDir->MajorVersion, exportDir->MinorVersion);
 310     printf("  Ordinal base:    %lu\n", exportDir->Base);
 311     printf("  # of functions:  %lu\n", exportDir->NumberOfFunctions);
 312     printf("  # of Names:      %lu\n", exportDir->NumberOfNames);
 313     printf("Adresses of functions: %08lX\n", exportDir->AddressOfFunctions);
 314     printf("Adresses of name ordinals: %08lX\n", exportDir->AddressOfNameOrdinals);
 315     printf("Adresses of names: %08lX\n", exportDir->AddressOfNames);
 316     printf("\n");
 317     printf("  Entry Pt  Ordn  Name\n");
 318
 319     pFunc = RVA(exportDir->AddressOfFunctions, exportDir->NumberOfFunctions * sizeof(DWORD));
 320     if (!pFunc) {printf("Can't grab functions' address table\n"); return;}
 321     pName = RVA(exportDir->AddressOfNames, exportDir->NumberOfNames * sizeof(DWORD));
 322     if (!pName) {printf("Can't grab functions' name table\n"); return;}
 323     pOrdl = RVA(exportDir->AddressOfNameOrdinals, exportDir->NumberOfNames * sizeof(WORD));
 324     if (!pOrdl) {printf("Can't grab functions' ordinal table\n"); return;}
 325
 326     /* bit map of used funcs */
 327     map = calloc(((exportDir->NumberOfFunctions + 31) & ~31) / 32, sizeof(DWORD));
 328     if (!map) fatal("no memory");
 329
 330     for (i = 0; i < exportDir->NumberOfNames; i++, pName++, pOrdl++)
 331     {
 332         char*   name;
 333
 334         map[*pOrdl / 32] |= 1 << (*pOrdl % 32);
 335
 336         name = (char*)RVA(*pName, sizeof(DWORD));
 337         if (name && globals.do_demangle)
 338         {
 339             printf("  %08lX  %4lu ", pFunc[*pOrdl], exportDir->Base + *pOrdl);
 340
 341             symbol_init(&symbol, name);
 342             if (symbol_demangle(&symbol) == -1)
 343                 printf(name);
 344             else if (symbol.flags & SYM_DATA)
 345                 printf(symbol.arg_text[0]);
 346             else
 347                 output_prototype(stdout, &symbol);
 348             printf("\n");
 349             symbol_clear(&symbol);
 350         }
 351         else
 352         {
 353             printf("  %08lX  %4lu %s\n", pFunc[*pOrdl], exportDir->Base + *pOrdl, name);
 354         }
 355     }
 356     pFunc = RVA(exportDir->AddressOfFunctions, exportDir->NumberOfFunctions * sizeof(DWORD));
 357     if (!pFunc) {printf("Can't grab functions' address table\n"); return;}
 358     for (i = 0; i < exportDir->NumberOfFunctions; i++)
 359     {
 360         if (pFunc[i] && !(map[i / 32] & (1 << (i % 32))))
 361         {
 362             printf("  %08lX  %4lu <by ordinal>\n", pFunc[i], exportDir->Base + i);
 363         }
 364     }
 365     free(map);
 366     printf("\n");
 367 }
 368
 369 static  void    dump_dir_imported_functions(void)
 370 {
 371     IMAGE_IMPORT_DESCRIPTOR     *importDesc = get_dir(IMAGE_FILE_IMPORT_DIRECTORY);
 372     unsigned                    nb_imp, i;
 373
 374     if (!importDesc)    return;
 375     nb_imp = nt_headers->OptionalHeader.DataDirectory[IMAGE_FILE_IMPORT_DIRECTORY].Size /
 376         sizeof(*importDesc);
 377     if (!nb_imp) return;
 378
 379     printf("Import Table size: %lu\n",
 380            nt_headers->OptionalHeader.DataDirectory[IMAGE_FILE_IMPORT_DIRECTORY].Size);/* FIXME */
 381
 382     for (i = 0; i < nb_imp - 1; i++) /* the last descr is set as 0 as a sentinel */
 383     {
 384         IMAGE_THUNK_DATA*       il;
 385         IMAGE_IMPORT_BY_NAME*   iibn;
 386
 387         if (!importDesc->Name ||
 388             (importDesc->u.OriginalFirstThunk == NULL && importDesc->FirstThunk == NULL))
 389         {
 390             /* FIXME */
 391             printf("<<<<<<<null entry\n");
 392             break;
 393         }
 394         printf("  offset %lu %s\n", Offset(importDesc), (char*)RVA(importDesc->Name, sizeof(DWORD)));
 395         printf("  Hint/Name Table: %08lX\n", (DWORD)importDesc->u.OriginalFirstThunk);
 396         printf("  TimeDataStamp:   %08lX (%s)\n",
 397                importDesc->TimeDateStamp, get_time_str(importDesc->TimeDateStamp));
 398         printf("  ForwarderChain:  %08lX\n", importDesc->ForwarderChain);
 399         printf("  First thunk RVA: %08lX (delta: %u 0x%x)\n",
 400                (DWORD)importDesc->FirstThunk, -1, -1); /* FIXME */
 401
 402         printf("  Ordn  Name\n");
 403
 404         il = (importDesc->u.OriginalFirstThunk != 0) ?
 405             RVA((DWORD)importDesc->u.OriginalFirstThunk, sizeof(DWORD)) :
 406             RVA((DWORD)importDesc->FirstThunk, sizeof(DWORD));
 407
 408         if (!il) {printf("Can't grab thunk data, going to next imported DLL\n"); continue;}
 409
 410         for (; il->u1.Ordinal; il++)
 411         {
 412             if (IMAGE_SNAP_BY_ORDINAL(il->u1.Ordinal))
 413             {
 414                 printf("  %4lu  <by ordinal>\n", IMAGE_ORDINAL(il->u1.Ordinal));
 415             }
 416             else
 417             {
 418                 iibn = RVA((DWORD)il->u1.AddressOfData, sizeof(DWORD));
 419                 if (!il)
 420                 {
 421                     printf("Can't grab import by name info, skipping to next ordinal\n");
 422                 }
 423                 else
 424                 {
 425                     printf("  %4u  %s %lx\n", iibn->Hint, iibn->Name, (DWORD)il->u1.AddressOfData);
 426                 }
 427             }
 428         }
 429         printf("\n");
 430         importDesc++;
 431     }
 432     printf("\n");
 433 }
 434
 435 static  void    dump_dir_debug_dir(IMAGE_DEBUG_DIRECTORY* idd, int idx)
 436 {
 437     const       char*   str;
 438
 439     printf("Directory %02u\n", idx + 1);
 440     printf("  Characteristics:   %08lX\n", idd->Characteristics);
 441     printf("  TimeDateStamp:     %08lX %s\n",
 442            idd->TimeDateStamp, get_time_str(idd->TimeDateStamp));
 443     printf("  Version            %u.%02u\n", idd->MajorVersion, idd->MinorVersion);
 444     switch (idd->Type)
 445     {
 446     default:
 447     case IMAGE_DEBUG_TYPE_UNKNOWN:      str = "UNKNOWN";        break;
 448     case IMAGE_DEBUG_TYPE_COFF:         str = "COFF";           break;
 449     case IMAGE_DEBUG_TYPE_CODEVIEW:     str = "CODEVIEW";       break;
 450     case IMAGE_DEBUG_TYPE_FPO:          str = "FPO";            break;
 451     case IMAGE_DEBUG_TYPE_MISC:         str = "MISC";           break;
 452     case IMAGE_DEBUG_TYPE_EXCEPTION:    str = "EXCEPTION";      break;
 453     case IMAGE_DEBUG_TYPE_FIXUP:        str = "FIXUP";          break;
 454     case IMAGE_DEBUG_TYPE_OMAP_TO_SRC:  str = "OMAP_TO_SRC";    break;
 455     case IMAGE_DEBUG_TYPE_OMAP_FROM_SRC:str = "OMAP_FROM_SRC";  break;
 456     case IMAGE_DEBUG_TYPE_BORLAND:      str = "BORLAND";        break;
 457     case IMAGE_DEBUG_TYPE_RESERVED10:   str = "RESERVED10";     break;
 458     }
 459     printf("  Type:              %lu (%s)\n", idd->Type, str);
 460     printf("  SizeOfData:        %lu\n", idd->SizeOfData);
 461     printf("  AddressOfRawData:  %08lX\n", idd->AddressOfRawData);
 462     printf("  PointerToRawData:  %08lX\n", idd->PointerToRawData);
 463
 464     switch (idd->Type)
 465     {
 466     case IMAGE_DEBUG_TYPE_UNKNOWN:
 467         break;
 468     case IMAGE_DEBUG_TYPE_COFF:
 469         break;
 470     case IMAGE_DEBUG_TYPE_CODEVIEW:
 471         dump_codeview(idd->PointerToRawData, idd->SizeOfData);
 472         break;
 473     case IMAGE_DEBUG_TYPE_FPO:
 474         break;
 475     case IMAGE_DEBUG_TYPE_MISC:
 476     {
 477         IMAGE_DEBUG_MISC* misc = PRD(idd->PointerToRawData, idd->SizeOfData);
 478         if (!misc) {printf("Can't get misc debug information\n"); break;}
 479         printf("    DataType:          %lu (%s)\n",
 480                misc->DataType,
 481                (misc->DataType == IMAGE_DEBUG_MISC_EXENAME) ? "Exe name" : "Unknown");
 482         printf("    Length:            %lu\n", misc->Length);
 483         printf("    Unicode:           %s\n", misc->Unicode ? "Yes" : "No");
 484         printf("    Data:              %s\n", misc->Data);
 485     }
 486     break;
 487     case IMAGE_DEBUG_TYPE_EXCEPTION:
 488         break;
 489     case IMAGE_DEBUG_TYPE_FIXUP:
 490         break;
 491     case IMAGE_DEBUG_TYPE_OMAP_TO_SRC:
 492         break;
 493     case IMAGE_DEBUG_TYPE_OMAP_FROM_SRC:
 494         break;
 495     case IMAGE_DEBUG_TYPE_BORLAND:
 496         break;
 497     case IMAGE_DEBUG_TYPE_RESERVED10:
 498         break;
 499     }
 500     printf("\n");
 501 }
 502
 503 static void     dump_dir_debug(void)
 504 {
 505     IMAGE_DEBUG_DIRECTORY*      debugDir = get_dir(IMAGE_FILE_DEBUG_DIRECTORY);
 506     unsigned                    nb_dbg, i;
 507
 508     if (!debugDir) return;
 509     nb_dbg = nt_headers->OptionalHeader.DataDirectory[IMAGE_FILE_DEBUG_DIRECTORY].Size /
 510         sizeof(*debugDir);
 511     if (!nb_dbg) return;
 512
 513     printf("Debug Table (%u directories)\n", nb_dbg);
 514
 515     for (i = 0; i < nb_dbg; i++)
 516     {
 517         dump_dir_debug_dir(debugDir, i);
 518         debugDir++;
 519     }
 520     printf("\n");
 521 }
 522
 523 static void     dump_separate_dbg(void)
 524 {
 525     IMAGE_SEPARATE_DEBUG_HEADER*separateDebugHead = PRD(0, sizeof(separateDebugHead));
 526     unsigned                    nb_dbg;
 527     unsigned                    i;
 528     IMAGE_DEBUG_DIRECTORY*      debugDir;
 529
 530     if (!separateDebugHead) {printf("Can't grab the separate header, aborting\n"); return;}
 531
 532     printf ("Signature:          %.2s (0x%4X)\n",
 533             (char*)&separateDebugHead->Signature, separateDebugHead->Signature);
 534     printf ("Flags:              0x%04X\n", separateDebugHead->Flags);
 535     printf ("Machine:            0x%04X (%s)\n",
 536             separateDebugHead->Machine, get_machine_str(separateDebugHead->Machine));
 537     printf ("Characteristics:    0x%04X\n", separateDebugHead->Characteristics);
 538     printf ("TimeDateStamp:      0x%08lX (%s)\n",
 539             separateDebugHead->TimeDateStamp, get_time_str(separateDebugHead->TimeDateStamp));
 540     printf ("CheckSum:           0x%08lX\n", separateDebugHead->CheckSum);
 541     printf ("ImageBase:          0x%08lX\n", separateDebugHead->ImageBase);
 542     printf ("SizeOfImage:        0x%08lX\n", separateDebugHead->SizeOfImage);
 543     printf ("NumberOfSections:   0x%08lX\n", separateDebugHead->NumberOfSections);
 544     printf ("ExportedNamesSize:  0x%08lX\n", separateDebugHead->ExportedNamesSize);
 545     printf ("DebugDirectorySize: 0x%08lX\n", separateDebugHead->DebugDirectorySize);
 546
 547     if (!PRD(sizeof(IMAGE_SEPARATE_DEBUG_HEADER),
 548              separateDebugHead->NumberOfSections * sizeof(IMAGE_SECTION_HEADER)))
 549     {printf("Can't get the sections, aborting\n"); return;}
 550
 551     dump_sections(separateDebugHead + 1, separateDebugHead->NumberOfSections);
 552
 553     nb_dbg = separateDebugHead->DebugDirectorySize / sizeof(IMAGE_DEBUG_DIRECTORY);
 554     debugDir = PRD(sizeof(IMAGE_SEPARATE_DEBUG_HEADER) +
 555                    separateDebugHead->NumberOfSections * sizeof(IMAGE_SECTION_HEADER) +
 556                    separateDebugHead->ExportedNamesSize,
 557                    nb_dbg * sizeof(IMAGE_DEBUG_DIRECTORY));
 558     if (!debugDir) {printf("Couldn't get the debug directory info, aborting\n");return;}
 559
 560     printf("Debug Table (%u directories)\n", nb_dbg);
 561
 562     for (i = 0; i < nb_dbg; i++)
 563     {
 564         dump_dir_debug_dir(debugDir, i);
 565         debugDir++;
 566     }
 567 }
 568
 569 static  void    do_dump(void)
 570 {
 571     int all = (globals.dumpsect != NULL) && strcmp(globals.dumpsect, "ALL") == 0;
 572
 573     if (globals.do_dumpheader)
 574     {
 575         dump_pe_header();
 576         /* FIX%E: should check ptr */
 577         dump_sections((char*)nt_headers + sizeof(DWORD) +
 578                       sizeof(IMAGE_FILE_HEADER) + nt_headers->FileHeader.SizeOfOptionalHeader,
 579                       nt_headers->FileHeader.NumberOfSections);
 580     }
 581     else if (!globals.dumpsect)
 582     {
 583         /* show at least something here */
 584         dump_pe_header();
 585     }
 586
 587     if (globals.dumpsect)
 588     {
 589         if (all || !strcmp(globals.dumpsect, "import"))
 590             dump_dir_imported_functions();
 591         if (all || !strcmp(globals.dumpsect, "export"))
 592             dump_dir_exported_functions();
 593         if (all || !strcmp(globals.dumpsect, "debug"))
 594             dump_dir_debug();
 595 #if 0
 596         /* FIXME: not implemented yet */
 597         if (all || !strcmp(globals.dumpsect, "resource"))
 598             dump_dir_resource();
 599         if (all || !strcmp(globals.dumpsect, "reloc"))
 600             dump_dir_reloc();
 601 #endif
 602     }
 603 }
 604
 605 static  enum FileSig    check_headers(void)
 606 {
 607     WORD*               pw;
 608     DWORD*              pdw;
 609     IMAGE_DOS_HEADER*   dh;
 610     enum FileSig        sig;
 611
 612     pw = PRD(0, sizeof(WORD));
 613     if (!pw) {printf("Can't get main signature, aborting\n"); return 0;}
 614
 615     switch (*pw)
 616     {
 617     case IMAGE_DOS_SIGNATURE:
 618         sig = SIG_DOS;
 619         dh = PRD(0, sizeof(IMAGE_DOS_HEADER));
 620         if (dh && dh->e_lfanew >= sizeof(*dh)) /* reasonable DOS header ? */
 621         {
 622             /* the signature is the first DWORD */
 623             pdw = PRD(dh->e_lfanew, sizeof(DWORD));
 624             if (pdw)
 625             {
 626                 if (*pdw == IMAGE_NT_SIGNATURE)
 627                 {
 628                     nt_headers = PRD(dh->e_lfanew, sizeof(DWORD));
 629                     sig = SIG_PE;
 630                 }
 631                 else
 632                 {
 633                     printf("No PE Signature found\n");
 634                 }
 635             }
 636             else
 637             {
 638                 printf("Can't get the extented signature, aborting\n");
 639             }
 640         }
 641         break;
 642     case 0x4944: /* "DI" */
 643         sig = SIG_DBG;
 644         break;
 645     default:
 646         printf("No known main signature (%.2s/%x), aborting\n", (char*)pw, *pw);
 647         sig = SIG_UNKNOWN;
 648     }
 649
 650     return sig;
 651 }
 652
 653 int pe_analysis(const char* name, void (*fn)(void), enum FileSig wanted_sig)
 654 {
 655     int                 fd;
 656     enum FileSig        effective_sig;
 657     int                 ret = 1;
 658     struct stat         s;
 659
 660     setbuf(stdout, NULL);
 661
 662     fd = open(name, O_RDONLY);
 663     if (fd == -1) fatal("Can't open file");
 664
 665     if (fstat(fd, &s) < 0) fatal("Can't get size");
 666     total_len = s.st_size;
 667
 668     base = mmap(NULL, total_len, PROT_READ, MAP_PRIVATE, fd, 0);
 669     if (base == (void*)-1) fatal("Can't map file");
 670
 671     effective_sig = check_headers();
 672
 673     if (effective_sig == SIG_UNKNOWN)
 674     {
 675         printf("Can't get a recognized file signature, aborting\n");
 676         ret = 0;
 677     }
 678     else if (wanted_sig == SIG_UNKNOWN || wanted_sig == effective_sig)
 679     {
 680         switch (effective_sig)
 681         {
 682         case SIG_UNKNOWN: /* shouldn't happen... */
 683             ret = 0; break;
 684         case SIG_PE:
 685             printf("Contents of \"%s\": %ld bytes\n\n", name, total_len);
 686             (*fn)();
 687             break;
 688         case SIG_DBG:
 689             dump_separate_dbg();
 690             break;
 691         case SIG_DOS:
 692             ret = 0; break;
 693         }
 694     }
 695     else
 696     {
 697         printf("Can't get a suitable file signature, aborting\n");
 698         ret = 0;
 699     }
 700
 701     if (ret) printf("Done dumping %s\n", name);
 702     munmap(base, total_len);
 703     close(fd);
 704
 705     return ret;
 706 }
 707
 708 void    dump_file(const char* name)
 709 {
 710     pe_analysis(name, do_dump, SIG_UNKNOWN);
 711 }
 712
 713 #if 0
 714 int     main(int argc, char* argv[])
 715 {
 716     if (argc != 2) fatal("usage");
 717     pe_analysis(argv[1], do_dump);
 718 }
 719 #endif
 720
 721 typedef struct _dll_symbol {
 722     size_t      ordinal;
 723     char       *symbol;
 724 } dll_symbol;
 725
 726 static dll_symbol *dll_symbols = NULL;
 727 static dll_symbol *dll_current_symbol = NULL;
 728
 729 /* Compare symbols by ordinal for qsort */
 730 static int symbol_cmp(const void *left, const void *right)
 731 {
 732     return ((dll_symbol *)left)->ordinal > ((dll_symbol *)right)->ordinal;
 733 }
 734
 735 /*******************************************************************
 736  *         dll_close
 737  *
 738  * Free resources used by DLL
 739  */
 740 static void dll_close (void)
 741 {
 742     dll_symbol* ds;
 743
 744     for (ds = dll_symbols; ds->symbol; ds++)
 745         free(ds->symbol);
 746     free (dll_symbols);
 747     dll_symbols = NULL;
 748 }
 749
 750 static  void    do_grab_sym(void)
 751 {
 752     IMAGE_EXPORT_DIRECTORY      *exportDir = get_dir(IMAGE_FILE_EXPORT_DIRECTORY);
 753     unsigned                    i;
 754     DWORD*                      pName;
 755     DWORD*                      pFunc;
 756     WORD*                       pOrdl;
 757     char*                       ptr;
 758     DWORD*                      map;
 759
 760     if (!exportDir) return;
 761
 762     pName = RVA(exportDir->AddressOfNames, exportDir->NumberOfNames * sizeof(DWORD));
 763     if (!pName) {printf("Can't grab functions' name table\n"); return;}
 764     pOrdl = RVA(exportDir->AddressOfNameOrdinals, exportDir->NumberOfNames * sizeof(WORD));
 765     if (!pOrdl) {printf("Can't grab functions' ordinal table\n"); return;}
 766
 767     dll_close();
 768
 769     if (!(dll_symbols = (dll_symbol *) malloc((exportDir->NumberOfFunctions + 1) *
 770                                               sizeof (dll_symbol))))
 771         fatal ("Out of memory");
 772     if (exportDir->AddressOfFunctions != exportDir->NumberOfNames || exportDir->Base > 1)
 773         globals.do_ordinals = 1;
 774
 775     /* bit map of used funcs */
 776     map = calloc(((exportDir->NumberOfFunctions + 31) & ~31) / 32, sizeof(DWORD));
 777     if (!map) fatal("no memory");
 778
 779     for (i = 0; i < exportDir->NumberOfNames; i++)
 780     {
 781         map[*pOrdl / 32] |= 1 << (*pOrdl % 32);
 782         ptr = RVA(*pName++, sizeof(DWORD));
 783         if (!ptr) ptr = "cant_get_function";
 784         dll_symbols[i].symbol = strdup(ptr);
 785         assert(dll_symbols[i].symbol);
 786     }
 787     pFunc = RVA(exportDir->AddressOfFunctions, exportDir->NumberOfFunctions * sizeof(DWORD));
 788     if (!pFunc) {printf("Can't grab functions' address table\n"); return;}
 789     for (i = 0; i < exportDir->NumberOfFunctions; i++)
 790     {
 791         if (!(map[i / 32] & (1 << (i % 32))))
 792         {
 793             char ordinal_text[256];
 794             /* Ordinal only entry */
 795             snprintf (ordinal_text, sizeof(ordinal_text), "%s_%lu",
 796                       globals.forward_dll ? globals.forward_dll : OUTPUT_UC_DLL_NAME,
 797                       exportDir->Base + i);
 798             str_toupper(ordinal_text);
 799             dll_symbols[i].symbol = strdup(ordinal_text);
 800             assert(dll_symbols[i].symbol);
 801             dll_symbols[i].ordinal = exportDir->Base + i;
 802         }
 803     }
 804     free(map);
 805
 806     if (NORMAL)
 807         printf("%lu named symbols in DLL, %lu total\n",
 808                exportDir->NumberOfNames, exportDir->NumberOfFunctions);
 809
 810     qsort( dll_symbols, exportDir->NumberOfFunctions, sizeof(dll_symbol), symbol_cmp );
 811
 812     dll_symbols[exportDir->NumberOfFunctions].symbol = NULL;
 813
 814     dll_current_symbol = dll_symbols;
 815
 816     /* Set DLL output names */
 817     if ((ptr = strrchr (globals.input_name, '/')))
 818         globals.input_name = ptr + 1; /* Strip path */
 819
 820     OUTPUT_UC_DLL_NAME = str_toupper( strdup (OUTPUT_DLL_NAME));
 821 }
 822
 823 /*******************************************************************
 824  *         dll_open
 825  *
 826  * Open a DLL and read in exported symbols
 827  */
 828 void  dll_open (const char *dll_name)
 829 {
 830     pe_analysis(dll_name, do_grab_sym, SIG_PE);
 831 }
 832
 833 /*******************************************************************
 834  *         dll_next_symbol
 835  *
 836  * Get next exported symbol from dll
 837  */
 838 int dll_next_symbol (parsed_symbol * sym)
 839 {
 840     if (!dll_current_symbol)
 841         return 1;
 842
 843     assert (dll_symbols);
 844
 845     sym->symbol = strdup (dll_current_symbol->symbol);
 846     sym->ordinal = dll_current_symbol->ordinal;
 847     dll_current_symbol++;
 848     return 0;
 849 }