git.oblomov.eu Git - wine/blob - dlls/kernel32/tests/loader.c

   1 /*
   2  * Unit test suite for the PE loader.
   3  *
   4  * Copyright 2006 Dmitry Timoshkov
   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 <stdarg.h>
  22 #include <assert.h>
  23
  24 #include "windef.h"
  25 #include "winbase.h"
  26 #include "wine/test.h"
  27
  28 #define ALIGN_SIZE(size, alignment) (((size) + (alignment - 1)) & ~((alignment - 1)))
  29
  30 static PVOID RVAToAddr(DWORD_PTR rva, HMODULE module)
  31 {
  32     if (rva == 0)
  33         return NULL;
  34     return ((char*) module) + rva;
  35 }
  36
  37 static const struct
  38 {
  39     WORD e_magic;      /* 00: MZ Header signature */
  40     WORD unused[29];
  41     DWORD e_lfanew;    /* 3c: Offset to extended header */
  42 } dos_header =
  43 {
  44     IMAGE_DOS_SIGNATURE, { 0 }, sizeof(dos_header)
  45 };
  46
  47 static IMAGE_NT_HEADERS nt_header =
  48 {
  49     IMAGE_NT_SIGNATURE, /* Signature */
  50     {
  51 #if defined __i386__
  52       IMAGE_FILE_MACHINE_I386, /* Machine */
  53 #elif defined __x86_64__
  54       IMAGE_FILE_MACHINE_AMD64, /* Machine */
  55 #elif defined __powerpc__
  56       IMAGE_FILE_MACHINE_POWERPC, /* Machine */
  57 #else
  58 # error You must specify the machine type
  59 #endif
  60       1, /* NumberOfSections */
  61       0, /* TimeDateStamp */
  62       0, /* PointerToSymbolTable */
  63       0, /* NumberOfSymbols */
  64       sizeof(IMAGE_OPTIONAL_HEADER), /* SizeOfOptionalHeader */
  65       IMAGE_FILE_EXECUTABLE_IMAGE | IMAGE_FILE_DLL /* Characteristics */
  66     },
  67     { IMAGE_NT_OPTIONAL_HDR_MAGIC, /* Magic */
  68       1, /* MajorLinkerVersion */
  69       0, /* MinorLinkerVersion */
  70       0, /* SizeOfCode */
  71       0, /* SizeOfInitializedData */
  72       0, /* SizeOfUninitializedData */
  73       0, /* AddressOfEntryPoint */
  74       0x10, /* BaseOfCode, also serves as e_lfanew in the truncated MZ header */
  75 #ifndef _WIN64
  76       0, /* BaseOfData */
  77 #endif
  78       0x10000000, /* ImageBase */
  79       0, /* SectionAlignment */
  80       0, /* FileAlignment */
  81       4, /* MajorOperatingSystemVersion */
  82       0, /* MinorOperatingSystemVersion */
  83       1, /* MajorImageVersion */
  84       0, /* MinorImageVersion */
  85       4, /* MajorSubsystemVersion */
  86       0, /* MinorSubsystemVersion */
  87       0, /* Win32VersionValue */
  88       sizeof(dos_header) + sizeof(nt_header) + sizeof(IMAGE_SECTION_HEADER) + 0x1000, /* SizeOfImage */
  89       sizeof(dos_header) + sizeof(nt_header), /* SizeOfHeaders */
  90       0, /* CheckSum */
  91       IMAGE_SUBSYSTEM_WINDOWS_CUI, /* Subsystem */
  92       0, /* DllCharacteristics */
  93       0, /* SizeOfStackReserve */
  94       0, /* SizeOfStackCommit */
  95       0, /* SizeOfHeapReserve */
  96       0, /* SizeOfHeapCommit */
  97       0, /* LoaderFlags */
  98       0, /* NumberOfRvaAndSizes */
  99       { { 0 } } /* DataDirectory[IMAGE_NUMBEROF_DIRECTORY_ENTRIES] */
 100     }
 101 };
 102
 103 static IMAGE_SECTION_HEADER section =
 104 {
 105     ".rodata", /* Name */
 106     { 0x10 }, /* Misc */
 107     0, /* VirtualAddress */
 108     0x0a, /* SizeOfRawData */
 109     0, /* PointerToRawData */
 110     0, /* PointerToRelocations */
 111     0, /* PointerToLinenumbers */
 112     0, /* NumberOfRelocations */
 113     0, /* NumberOfLinenumbers */
 114     IMAGE_SCN_CNT_INITIALIZED_DATA | IMAGE_SCN_MEM_READ, /* Characteristics */
 115 };
 116
 117 static void test_Loader(void)
 118 {
 119     static const struct test_data
 120     {
 121         const void *dos_header;
 122         DWORD size_of_dos_header;
 123         WORD number_of_sections, size_of_optional_header;
 124         DWORD section_alignment, file_alignment;
 125         DWORD size_of_image, size_of_headers;
 126         DWORD error; /* 0 means LoadLibrary should succeed */
 127         DWORD alt_error; /* alternate error */
 128     } td[] =
 129     {
 130         { &dos_header, sizeof(dos_header),
 131           1, 0, 0, 0, 0, 0,
 132           ERROR_BAD_EXE_FORMAT
 133         },
 134         { &dos_header, sizeof(dos_header),
 135           1, sizeof(IMAGE_OPTIONAL_HEADER), 0x1000, 0x1000,
 136           sizeof(dos_header) + sizeof(nt_header) + sizeof(IMAGE_SECTION_HEADER) + 0xe00,
 137           sizeof(dos_header) + sizeof(nt_header) + sizeof(IMAGE_SECTION_HEADER),
 138           ERROR_BAD_EXE_FORMAT /* XP doesn't like too small image size */
 139         },
 140         { &dos_header, sizeof(dos_header),
 141           1, sizeof(IMAGE_OPTIONAL_HEADER), 0x1000, 0x1000,
 142           sizeof(dos_header) + sizeof(nt_header) + sizeof(IMAGE_SECTION_HEADER) + 0x1000,
 143           sizeof(dos_header) + sizeof(nt_header) + sizeof(IMAGE_SECTION_HEADER),
 144           ERROR_SUCCESS
 145         },
 146         { &dos_header, sizeof(dos_header),
 147           1, sizeof(IMAGE_OPTIONAL_HEADER), 0x1000, 0x1000,
 148           0x1f00,
 149           0x1000,
 150           ERROR_SUCCESS
 151         },
 152         { &dos_header, sizeof(dos_header),
 153           1, sizeof(IMAGE_OPTIONAL_HEADER), 0x200, 0x200,
 154           sizeof(dos_header) + sizeof(nt_header) + sizeof(IMAGE_SECTION_HEADER) + 0x200,
 155           sizeof(dos_header) + sizeof(nt_header) + sizeof(IMAGE_SECTION_HEADER),
 156           ERROR_SUCCESS, ERROR_INVALID_ADDRESS /* vista is more strict */
 157         },
 158         { &dos_header, sizeof(dos_header),
 159           1, sizeof(IMAGE_OPTIONAL_HEADER), 0x200, 0x1000,
 160           sizeof(dos_header) + sizeof(nt_header) + sizeof(IMAGE_SECTION_HEADER) + 0x1000,
 161           sizeof(dos_header) + sizeof(nt_header) + sizeof(IMAGE_SECTION_HEADER),
 162           ERROR_BAD_EXE_FORMAT /* XP doesn't like alignments */
 163         },
 164         { &dos_header, sizeof(dos_header),
 165           1, sizeof(IMAGE_OPTIONAL_HEADER), 0x1000, 0x200,
 166           sizeof(dos_header) + sizeof(nt_header) + sizeof(IMAGE_SECTION_HEADER) + 0x1000,
 167           sizeof(dos_header) + sizeof(nt_header) + sizeof(IMAGE_SECTION_HEADER),
 168           ERROR_SUCCESS
 169         },
 170         { &dos_header, sizeof(dos_header),
 171           1, sizeof(IMAGE_OPTIONAL_HEADER), 0x1000, 0x200,
 172           sizeof(dos_header) + sizeof(nt_header) + sizeof(IMAGE_SECTION_HEADER) + 0x1000,
 173           0x200,
 174           ERROR_SUCCESS
 175         },
 176         /* Mandatory are all fields up to SizeOfHeaders, everything else
 177          * is really optional (at least that's true for XP).
 178          */
 179         { &dos_header, sizeof(dos_header),
 180           1, FIELD_OFFSET(IMAGE_OPTIONAL_HEADER, CheckSum), 0x200, 0x200,
 181           sizeof(dos_header) + sizeof(DWORD) + sizeof(IMAGE_FILE_HEADER) + FIELD_OFFSET(IMAGE_OPTIONAL_HEADER, CheckSum) + sizeof(IMAGE_SECTION_HEADER) + 0x10,
 182           sizeof(dos_header) + sizeof(DWORD) + sizeof(IMAGE_FILE_HEADER) + FIELD_OFFSET(IMAGE_OPTIONAL_HEADER, CheckSum) + sizeof(IMAGE_SECTION_HEADER),
 183           ERROR_SUCCESS, ERROR_BAD_EXE_FORMAT /* vista is more strict */
 184         },
 185         { &dos_header, sizeof(dos_header),
 186           0, FIELD_OFFSET(IMAGE_OPTIONAL_HEADER, CheckSum), 0x200, 0x200,
 187           0xd0, /* beyond of the end of file */
 188           0xc0, /* beyond of the end of file */
 189           ERROR_SUCCESS, ERROR_BAD_EXE_FORMAT /* vista is more strict */
 190         },
 191         { &dos_header, sizeof(dos_header),
 192           0, FIELD_OFFSET(IMAGE_OPTIONAL_HEADER, CheckSum), 0x200, 0x200,
 193           0x1000,
 194           0,
 195           ERROR_SUCCESS, ERROR_BAD_EXE_FORMAT /* vista is more strict */
 196         },
 197         { &dos_header, sizeof(dos_header),
 198           0, FIELD_OFFSET(IMAGE_OPTIONAL_HEADER, CheckSum), 0x200, 0x200,
 199           1,
 200           0,
 201           ERROR_SUCCESS, ERROR_BAD_EXE_FORMAT /* vista is more strict */
 202         },
 203 #if 0 /* not power of 2 alignments need more test cases */
 204         { &dos_header, sizeof(dos_header),
 205           0, FIELD_OFFSET(IMAGE_OPTIONAL_HEADER, CheckSum), 0x300, 0x300,
 206           1,
 207           0,
 208           ERROR_BAD_EXE_FORMAT /* alignment is not power of 2 */
 209         },
 210 #endif
 211         { &dos_header, sizeof(dos_header),
 212           0, FIELD_OFFSET(IMAGE_OPTIONAL_HEADER, CheckSum), 4, 4,
 213           1,
 214           0,
 215           ERROR_SUCCESS, ERROR_BAD_EXE_FORMAT /* vista is more strict */
 216         },
 217         { &dos_header, sizeof(dos_header),
 218           0, FIELD_OFFSET(IMAGE_OPTIONAL_HEADER, CheckSum), 1, 1,
 219           1,
 220           0,
 221           ERROR_SUCCESS, ERROR_BAD_EXE_FORMAT /* vista is more strict */
 222         },
 223         { &dos_header, sizeof(dos_header),
 224           0, FIELD_OFFSET(IMAGE_OPTIONAL_HEADER, CheckSum), 0x200, 0x200,
 225           0,
 226           0,
 227           ERROR_BAD_EXE_FORMAT /* image size == 0 -> failure */
 228         },
 229         /* the following data mimics the PE image which upack creates */
 230         { &dos_header, 0x10,
 231           1, 0x148, 0x1000, 0x200,
 232           sizeof(dos_header) + sizeof(nt_header) + sizeof(IMAGE_SECTION_HEADER) + 0x1000,
 233           0x200,
 234           ERROR_SUCCESS
 235         },
 236         /* Minimal PE image that XP is able to load: 92 bytes */
 237         { &dos_header, 0x04,
 238           0, FIELD_OFFSET(IMAGE_OPTIONAL_HEADER, CheckSum),
 239           0x04 /* also serves as e_lfanew in the truncated MZ header */, 0x04,
 240           1,
 241           0,
 242           ERROR_SUCCESS, ERROR_BAD_EXE_FORMAT /* vista is more strict */
 243         }
 244     };
 245     static const char filler[0x1000];
 246     static const char section_data[0x10] = "section data";
 247     int i;
 248     DWORD dummy, file_size, file_align;
 249     HANDLE hfile;
 250     HMODULE hlib, hlib_as_data_file;
 251     SYSTEM_INFO si;
 252     char temp_path[MAX_PATH];
 253     char dll_name[MAX_PATH];
 254
 255     GetSystemInfo(&si);
 256     trace("system page size 0x%04x\n", si.dwPageSize);
 257
 258     /* prevent displaying of the "Unable to load this DLL" message box */
 259     SetErrorMode(SEM_FAILCRITICALERRORS);
 260
 261     GetTempPath(MAX_PATH, temp_path);
 262
 263     for (i = 0; i < sizeof(td)/sizeof(td[0]); i++)
 264     {
 265         GetTempFileName(temp_path, "ldr", 0, dll_name);
 266
 267         /*trace("creating %s\n", dll_name);*/
 268         hfile = CreateFileA(dll_name, GENERIC_WRITE, 0, NULL, CREATE_ALWAYS, 0, 0);
 269         if (hfile == INVALID_HANDLE_VALUE)
 270         {
 271             ok(0, "could not create %s\n", dll_name);
 272             break;
 273         }
 274
 275         SetLastError(0xdeadbeef);
 276         ok(WriteFile(hfile, td[i].dos_header, td[i].size_of_dos_header, &dummy, NULL),
 277            "WriteFile error %d\n", GetLastError());
 278
 279         nt_header.FileHeader.NumberOfSections = td[i].number_of_sections;
 280         nt_header.FileHeader.SizeOfOptionalHeader = td[i].size_of_optional_header;
 281
 282         nt_header.OptionalHeader.SectionAlignment = td[i].section_alignment;
 283         nt_header.OptionalHeader.FileAlignment = td[i].file_alignment;
 284         nt_header.OptionalHeader.SizeOfImage = td[i].size_of_image;
 285         nt_header.OptionalHeader.SizeOfHeaders = td[i].size_of_headers;
 286         SetLastError(0xdeadbeef);
 287         ok(WriteFile(hfile, &nt_header, sizeof(DWORD) + sizeof(IMAGE_FILE_HEADER), &dummy, NULL),
 288            "WriteFile error %d\n", GetLastError());
 289
 290         if (nt_header.FileHeader.SizeOfOptionalHeader)
 291         {
 292             SetLastError(0xdeadbeef);
 293             ok(WriteFile(hfile, &nt_header.OptionalHeader,
 294                          min(nt_header.FileHeader.SizeOfOptionalHeader, sizeof(IMAGE_OPTIONAL_HEADER)),
 295                          &dummy, NULL),
 296                "WriteFile error %d\n", GetLastError());
 297             if (nt_header.FileHeader.SizeOfOptionalHeader > sizeof(IMAGE_OPTIONAL_HEADER))
 298             {
 299                 file_align = nt_header.FileHeader.SizeOfOptionalHeader - sizeof(IMAGE_OPTIONAL_HEADER);
 300                 assert(file_align < sizeof(filler));
 301                 SetLastError(0xdeadbeef);
 302                 ok(WriteFile(hfile, filler, file_align, &dummy, NULL),
 303                    "WriteFile error %d\n", GetLastError());
 304             }
 305         }
 306
 307         assert(nt_header.FileHeader.NumberOfSections <= 1);
 308         if (nt_header.FileHeader.NumberOfSections)
 309         {
 310             if (nt_header.OptionalHeader.SectionAlignment >= si.dwPageSize)
 311             {
 312                 section.PointerToRawData = td[i].size_of_dos_header;
 313                 section.VirtualAddress = nt_header.OptionalHeader.SectionAlignment;
 314                 section.Misc.VirtualSize = section.SizeOfRawData * 10;
 315             }
 316             else
 317             {
 318                 section.PointerToRawData = nt_header.OptionalHeader.SizeOfHeaders;
 319                 section.VirtualAddress = nt_header.OptionalHeader.SizeOfHeaders;
 320                 section.Misc.VirtualSize = 5;
 321             }
 322
 323             SetLastError(0xdeadbeef);
 324             ok(WriteFile(hfile, &section, sizeof(section), &dummy, NULL),
 325                "WriteFile error %d\n", GetLastError());
 326
 327             /* section data */
 328             SetLastError(0xdeadbeef);
 329             ok(WriteFile(hfile, section_data, sizeof(section_data), &dummy, NULL),
 330                "WriteFile error %d\n", GetLastError());
 331         }
 332
 333         file_size = GetFileSize(hfile, NULL);
 334         CloseHandle(hfile);
 335
 336         SetLastError(0xdeadbeef);
 337         hlib = LoadLibrary(dll_name);
 338         if (hlib)
 339         {
 340             MEMORY_BASIC_INFORMATION info;
 341
 342             ok( td[i].error == ERROR_SUCCESS, "%d: should have failed\n", i );
 343
 344             SetLastError(0xdeadbeef);
 345             ok(VirtualQuery(hlib, &info, sizeof(info)) == sizeof(info),
 346                 "%d: VirtualQuery error %d\n", i, GetLastError());
 347             ok(info.BaseAddress == hlib, "%d: %p != %p\n", i, info.BaseAddress, hlib);
 348             ok(info.AllocationBase == hlib, "%d: %p != %p\n", i, info.AllocationBase, hlib);
 349             ok(info.AllocationProtect == PAGE_EXECUTE_WRITECOPY, "%d: %x != PAGE_EXECUTE_WRITECOPY\n", i, info.AllocationProtect);
 350             ok(info.RegionSize == ALIGN_SIZE(nt_header.OptionalHeader.SizeOfImage, si.dwPageSize), "%d: got %lx != expected %x\n",
 351                i, info.RegionSize, ALIGN_SIZE(nt_header.OptionalHeader.SizeOfImage, si.dwPageSize));
 352             ok(info.State == MEM_COMMIT, "%d: %x != MEM_COMMIT\n", i, info.State);
 353             if (nt_header.OptionalHeader.SectionAlignment < si.dwPageSize)
 354                 ok(info.Protect == PAGE_EXECUTE_WRITECOPY, "%d: %x != PAGE_EXECUTE_WRITECOPY\n", i, info.Protect);
 355             else
 356                 ok(info.Protect == PAGE_READONLY, "%d: %x != PAGE_READONLY\n", i, info.Protect);
 357             ok(info.Type == SEC_IMAGE, "%d: %x != SEC_IMAGE\n", i, info.Type);
 358
 359             SetLastError(0xdeadbeef);
 360             ok(VirtualQuery((char *)hlib + info.RegionSize, &info, sizeof(info)) == sizeof(info),
 361                 "%d: VirtualQuery error %d\n", i, GetLastError());
 362             if (nt_header.OptionalHeader.SectionAlignment == si.dwPageSize ||
 363                 nt_header.OptionalHeader.SectionAlignment == nt_header.OptionalHeader.FileAlignment)
 364             {
 365                 ok(info.BaseAddress == (char *)hlib + ALIGN_SIZE(nt_header.OptionalHeader.SizeOfImage, si.dwPageSize), "%d: got %p != expected %p\n",
 366                    i, info.BaseAddress, (char *)hlib + ALIGN_SIZE(nt_header.OptionalHeader.SizeOfImage, si.dwPageSize));
 367                 ok(info.AllocationBase == 0, "%d: %p != 0\n", i, info.AllocationBase);
 368                 ok(info.AllocationProtect == 0, "%d: %x != 0\n", i, info.AllocationProtect);
 369                 /*ok(info.RegionSize == not_practical_value, "%d: %lx != not_practical_value\n", i, info.RegionSize);*/
 370                 ok(info.State == MEM_FREE, "%d: %x != MEM_FREE\n", i, info.State);
 371                 ok(info.Type == 0, "%d: %x != 0\n", i, info.Type);
 372                 ok(info.Protect == PAGE_NOACCESS, "%d: %x != PAGE_NOACCESS\n", i, info.Protect);
 373             }
 374             else
 375             {
 376                 ok(info.Protect == PAGE_EXECUTE_WRITECOPY, "%d: %x != PAGE_EXECUTE_WRITECOPY\n", i, info.Protect);
 377                 ok(info.BaseAddress == hlib, "%d: got %p != expected %p\n", i, info.BaseAddress, hlib);
 378                 ok(info.AllocationBase == hlib, "%d: %p != %p\n", i, info.AllocationBase, hlib);
 379                 ok(info.AllocationProtect == PAGE_EXECUTE_WRITECOPY, "%d: %x != PAGE_EXECUTE_WRITECOPY\n", i, info.AllocationProtect);
 380                 ok(info.RegionSize == ALIGN_SIZE(file_size, si.dwPageSize), "%d: got %lx != expected %x\n",
 381                    i, info.RegionSize, ALIGN_SIZE(file_size, si.dwPageSize));
 382                 ok(info.State == MEM_COMMIT, "%d: %x != MEM_COMMIT\n", i, info.State);
 383                 ok(info.Protect == PAGE_READONLY, "%d: %x != PAGE_READONLY\n", i, info.Protect);
 384                 ok(info.Type == SEC_IMAGE, "%d: %x != SEC_IMAGE\n", i, info.Type);
 385             }
 386
 387             /* header: check the zeroing of alignment */
 388             if (nt_header.OptionalHeader.SectionAlignment >= si.dwPageSize)
 389             {
 390                 const char *start;
 391                 int size;
 392
 393                 start = (const char *)hlib + nt_header.OptionalHeader.SizeOfHeaders;
 394                 size = ALIGN_SIZE((ULONG_PTR)start, si.dwPageSize) - (ULONG_PTR)start;
 395                 ok(!memcmp(start, filler, size), "%d: header alignment is not cleared\n", i);
 396             }
 397
 398             if (nt_header.FileHeader.NumberOfSections)
 399             {
 400                 SetLastError(0xdeadbeef);
 401                 ok(VirtualQuery((char *)hlib + section.VirtualAddress, &info, sizeof(info)) == sizeof(info),
 402                     "%d: VirtualQuery error %d\n", i, GetLastError());
 403                 if (nt_header.OptionalHeader.SectionAlignment < si.dwPageSize)
 404                 {
 405                     ok(info.BaseAddress == hlib, "%d: got %p != expected %p\n", i, info.BaseAddress, hlib);
 406                     ok(info.RegionSize == ALIGN_SIZE(nt_header.OptionalHeader.SizeOfImage, si.dwPageSize), "%d: got %lx != expected %x\n",
 407                        i, info.RegionSize, ALIGN_SIZE(nt_header.OptionalHeader.SizeOfImage, si.dwPageSize));
 408                     ok(info.Protect == PAGE_EXECUTE_WRITECOPY, "%d: %x != PAGE_EXECUTE_WRITECOPY\n", i, info.Protect);
 409                 }
 410                 else
 411                 {
 412                     ok(info.BaseAddress == (char *)hlib + section.VirtualAddress, "%d: got %p != expected %p\n", i, info.BaseAddress, (char *)hlib + section.VirtualAddress);
 413                     ok(info.RegionSize == ALIGN_SIZE(section.Misc.VirtualSize, si.dwPageSize), "%d: got %lx != expected %x\n",
 414                        i, info.RegionSize, ALIGN_SIZE(section.Misc.VirtualSize, si.dwPageSize));
 415                     ok(info.Protect == PAGE_READONLY, "%d: %x != PAGE_READONLY\n", i, info.Protect);
 416                 }
 417                 ok(info.AllocationBase == hlib, "%d: %p != %p\n", i, info.AllocationBase, hlib);
 418                 ok(info.AllocationProtect == PAGE_EXECUTE_WRITECOPY, "%d: %x != PAGE_EXECUTE_WRITECOPY\n", i, info.AllocationProtect);
 419                 ok(info.State == MEM_COMMIT, "%d: %x != MEM_COMMIT\n", i, info.State);
 420                 ok(info.Type == SEC_IMAGE, "%d: %x != SEC_IMAGE\n", i, info.Type);
 421
 422                 if (nt_header.OptionalHeader.SectionAlignment >= si.dwPageSize)
 423                     ok(!memcmp((const char *)hlib + section.VirtualAddress + section.PointerToRawData, &nt_header, section.SizeOfRawData), "wrong section data\n");
 424                 else
 425                     ok(!memcmp((const char *)hlib + section.PointerToRawData, section_data, section.SizeOfRawData), "wrong section data\n");
 426
 427                 /* check the zeroing of alignment */
 428                 if (nt_header.OptionalHeader.SectionAlignment >= si.dwPageSize)
 429                 {
 430                     const char *start;
 431                     int size;
 432
 433                     start = (const char *)hlib + section.VirtualAddress + section.PointerToRawData + section.SizeOfRawData;
 434                     size = ALIGN_SIZE((ULONG_PTR)start, si.dwPageSize) - (ULONG_PTR)start;
 435                     ok(memcmp(start, filler, size), "%d: alignment should not be cleared\n", i);
 436                 }
 437             }
 438
 439             SetLastError(0xdeadbeef);
 440             hlib_as_data_file = LoadLibraryEx(dll_name, 0, LOAD_LIBRARY_AS_DATAFILE);
 441             ok(hlib_as_data_file != 0, "LoadLibraryEx error %u\n", GetLastError());
 442             ok(hlib_as_data_file == hlib, "hlib_as_file and hlib are different\n");
 443
 444             SetLastError(0xdeadbeef);
 445             ok(FreeLibrary(hlib), "FreeLibrary error %d\n", GetLastError());
 446
 447             SetLastError(0xdeadbeef);
 448             hlib = GetModuleHandle(dll_name);
 449             ok(hlib != 0, "GetModuleHandle error %u\n", GetLastError());
 450
 451             SetLastError(0xdeadbeef);
 452             ok(FreeLibrary(hlib_as_data_file), "FreeLibrary error %d\n", GetLastError());
 453
 454             hlib = GetModuleHandle(dll_name);
 455             ok(!hlib, "GetModuleHandle should fail\n");
 456
 457             SetLastError(0xdeadbeef);
 458             hlib_as_data_file = LoadLibraryEx(dll_name, 0, LOAD_LIBRARY_AS_DATAFILE);
 459             ok(hlib_as_data_file != 0, "LoadLibraryEx error %u\n", GetLastError());
 460             ok((ULONG_PTR)hlib_as_data_file & 1, "hlib_as_data_file is even\n");
 461
 462             hlib = GetModuleHandle(dll_name);
 463             ok(!hlib, "GetModuleHandle should fail\n");
 464
 465             SetLastError(0xdeadbeef);
 466             ok(FreeLibrary(hlib_as_data_file), "FreeLibrary error %d\n", GetLastError());
 467         }
 468         else
 469         {
 470             ok(td[i].error || td[i].alt_error, "%d: LoadLibrary should succeed\n", i);
 471
 472             if (GetLastError() == ERROR_GEN_FAILURE) /* Win9x, broken behaviour */
 473             {
 474                 trace("skipping the loader test on Win9x\n");
 475                 DeleteFile(dll_name);
 476                 return;
 477             }
 478
 479             ok(td[i].error == GetLastError() || td[i].alt_error == GetLastError(),
 480                "%d: expected error %d or %d, got %d\n",
 481                i, td[i].error, td[i].alt_error, GetLastError());
 482         }
 483
 484         SetLastError(0xdeadbeef);
 485         ok(DeleteFile(dll_name), "DeleteFile error %d\n", GetLastError());
 486     }
 487 }
 488
 489 /* Verify linking style of import descriptors */
 490 static void test_ImportDescriptors(void)
 491 {
 492     HMODULE kernel32_module = NULL;
 493     PIMAGE_DOS_HEADER d_header;
 494     PIMAGE_NT_HEADERS nt_headers;
 495     DWORD import_dir_size;
 496     DWORD_PTR dir_offset;
 497     PIMAGE_IMPORT_DESCRIPTOR import_chunk;
 498
 499     /* Load kernel32 module */
 500     kernel32_module = GetModuleHandleA("kernel32.dll");
 501     assert( kernel32_module != NULL );
 502
 503     /* Get PE header info from module image */
 504     d_header = (PIMAGE_DOS_HEADER) kernel32_module;
 505     nt_headers = (PIMAGE_NT_HEADERS) (((char*) d_header) +
 506             d_header->e_lfanew);
 507
 508     /* Get size of import entry directory */
 509     import_dir_size = nt_headers->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_IMPORT].Size;
 510     if (!import_dir_size)
 511     {
 512         skip("Unable to continue testing due to missing import directory.\n");
 513         return;
 514     }
 515
 516     /* Get address of first import chunk */
 517     dir_offset = nt_headers->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_IMPORT].VirtualAddress;
 518     import_chunk = RVAToAddr(dir_offset, kernel32_module);
 519     ok(import_chunk != 0, "Invalid import_chunk: %p\n", import_chunk);
 520     if (!import_chunk) return;
 521
 522     /* Iterate through import descriptors and verify set name,
 523      * OriginalFirstThunk, and FirstThunk.  Core Windows DLLs, such as
 524      * kernel32.dll, don't use Borland-style linking, where the table of
 525      * imported names is stored directly in FirstThunk and overwritten
 526      * by the relocation, instead of being stored in OriginalFirstThunk.
 527      * */
 528     for (; import_chunk->FirstThunk; import_chunk++)
 529     {
 530         LPCSTR module_name = RVAToAddr(import_chunk->Name, kernel32_module);
 531         PIMAGE_THUNK_DATA name_table = RVAToAddr(
 532                 U(*import_chunk).OriginalFirstThunk, kernel32_module);
 533         PIMAGE_THUNK_DATA iat = RVAToAddr(
 534                 import_chunk->FirstThunk, kernel32_module);
 535         ok(module_name != NULL, "Imported module name should not be NULL\n");
 536         ok(name_table != NULL,
 537                 "Name table for imported module %s should not be NULL\n",
 538                 module_name);
 539         ok(iat != NULL, "IAT for imported module %s should not be NULL\n",
 540                 module_name);
 541     }
 542 }
 543
 544 START_TEST(loader)
 545 {
 546     test_Loader();
 547     test_ImportDescriptors();
 548 }