Sweden-Number/dlls/kernel32/tests/loader.c

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/*
* Unit test suite for the PE loader.
*
* Copyright 2006 Dmitry Timoshkov
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <stdarg.h>
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#include <assert.h>
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#include "windef.h"
#include "winbase.h"
#include "wine/test.h"
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#define ALIGN_SIZE(size, alignment) (((size) + (alignment - 1)) & ~((alignment - 1)))
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static const struct
{
WORD e_magic; /* 00: MZ Header signature */
WORD unused[29];
DWORD e_lfanew; /* 3c: Offset to extended header */
} dos_header =
{
IMAGE_DOS_SIGNATURE, { 0 }, sizeof(dos_header)
};
static IMAGE_NT_HEADERS nt_header =
{
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IMAGE_NT_SIGNATURE, /* Signature */
{
#if defined __i386__
IMAGE_FILE_MACHINE_I386, /* Machine */
#elif defined __x86_64__
IMAGE_FILE_MACHINE_AMD64, /* Machine */
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#else
# error You must specify the machine type
#endif
1, /* NumberOfSections */
0, /* TimeDateStamp */
0, /* PointerToSymbolTable */
0, /* NumberOfSymbols */
sizeof(IMAGE_OPTIONAL_HEADER), /* SizeOfOptionalHeader */
IMAGE_FILE_EXECUTABLE_IMAGE | IMAGE_FILE_DLL /* Characteristics */
},
{ IMAGE_NT_OPTIONAL_HDR_MAGIC, /* Magic */
1, /* MajorLinkerVersion */
0, /* MinorLinkerVersion */
0, /* SizeOfCode */
0, /* SizeOfInitializedData */
0, /* SizeOfUninitializedData */
0, /* AddressOfEntryPoint */
0x10, /* BaseOfCode, also serves as e_lfanew in the truncated MZ header */
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0, /* BaseOfData */
0x10000000, /* ImageBase */
0, /* SectionAlignment */
0, /* FileAlignment */
4, /* MajorOperatingSystemVersion */
0, /* MinorOperatingSystemVersion */
1, /* MajorImageVersion */
0, /* MinorImageVersion */
4, /* MajorSubsystemVersion */
0, /* MinorSubsystemVersion */
0, /* Win32VersionValue */
sizeof(dos_header) + sizeof(nt_header) + sizeof(IMAGE_SECTION_HEADER) + 0x1000, /* SizeOfImage */
sizeof(dos_header) + sizeof(nt_header), /* SizeOfHeaders */
0, /* CheckSum */
IMAGE_SUBSYSTEM_WINDOWS_CUI, /* Subsystem */
0, /* DllCharacteristics */
0, /* SizeOfStackReserve */
0, /* SizeOfStackCommit */
0, /* SizeOfHeapReserve */
0, /* SizeOfHeapCommit */
0, /* LoaderFlags */
0, /* NumberOfRvaAndSizes */
{ { 0 } } /* DataDirectory[IMAGE_NUMBEROF_DIRECTORY_ENTRIES] */
}
};
static IMAGE_SECTION_HEADER section =
{
".rodata", /* Name */
{ 0x10 }, /* Misc */
0, /* VirtualAddress */
0x0a, /* SizeOfRawData */
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0, /* PointerToRawData */
0, /* PointerToRelocations */
0, /* PointerToLinenumbers */
0, /* NumberOfRelocations */
0, /* NumberOfLinenumbers */
IMAGE_SCN_CNT_INITIALIZED_DATA | IMAGE_SCN_MEM_READ, /* Characteristics */
};
START_TEST(loader)
{
static const struct test_data
{
const void *dos_header;
DWORD size_of_dos_header;
WORD number_of_sections, size_of_optional_header;
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DWORD section_alignment, file_alignment;
DWORD size_of_image, size_of_headers;
DWORD error; /* 0 means LoadLibrary should succeed */
} td[] =
{
{ &dos_header, sizeof(dos_header),
1, 0, 0, 0, 0, 0,
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ERROR_BAD_EXE_FORMAT
},
{ &dos_header, sizeof(dos_header),
1, sizeof(IMAGE_OPTIONAL_HEADER), 0x1000, 0x1000,
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sizeof(dos_header) + sizeof(nt_header) + sizeof(IMAGE_SECTION_HEADER) + 0xe00,
sizeof(dos_header) + sizeof(nt_header) + sizeof(IMAGE_SECTION_HEADER),
ERROR_BAD_EXE_FORMAT /* XP doesn't like too small image size */
},
{ &dos_header, sizeof(dos_header),
1, sizeof(IMAGE_OPTIONAL_HEADER), 0x1000, 0x1000,
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sizeof(dos_header) + sizeof(nt_header) + sizeof(IMAGE_SECTION_HEADER) + 0x1000,
sizeof(dos_header) + sizeof(nt_header) + sizeof(IMAGE_SECTION_HEADER),
ERROR_SUCCESS
},
{ &dos_header, sizeof(dos_header),
1, sizeof(IMAGE_OPTIONAL_HEADER), 0x1000, 0x1000,
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0x1f00,
0x1000,
ERROR_SUCCESS
},
{ &dos_header, sizeof(dos_header),
1, sizeof(IMAGE_OPTIONAL_HEADER), 0x200, 0x200,
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sizeof(dos_header) + sizeof(nt_header) + sizeof(IMAGE_SECTION_HEADER) + 0x1000,
sizeof(dos_header) + sizeof(nt_header) + sizeof(IMAGE_SECTION_HEADER),
ERROR_SUCCESS
},
{ &dos_header, sizeof(dos_header),
1, sizeof(IMAGE_OPTIONAL_HEADER), 0x200, 0x1000,
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sizeof(dos_header) + sizeof(nt_header) + sizeof(IMAGE_SECTION_HEADER) + 0x1000,
sizeof(dos_header) + sizeof(nt_header) + sizeof(IMAGE_SECTION_HEADER),
ERROR_BAD_EXE_FORMAT /* XP doesn't like aligments */
},
{ &dos_header, sizeof(dos_header),
1, sizeof(IMAGE_OPTIONAL_HEADER), 0x1000, 0x200,
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sizeof(dos_header) + sizeof(nt_header) + sizeof(IMAGE_SECTION_HEADER) + 0x1000,
sizeof(dos_header) + sizeof(nt_header) + sizeof(IMAGE_SECTION_HEADER),
ERROR_SUCCESS
},
{ &dos_header, sizeof(dos_header),
1, sizeof(IMAGE_OPTIONAL_HEADER), 0x1000, 0x200,
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sizeof(dos_header) + sizeof(nt_header) + sizeof(IMAGE_SECTION_HEADER) + 0x1000,
0x200,
ERROR_SUCCESS
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},
/* Mandatory are all fields up to SizeOfHeaders, everything else
* is really optional (at least that's true for XP).
*/
{ &dos_header, sizeof(dos_header),
1, FIELD_OFFSET(IMAGE_OPTIONAL_HEADER, CheckSum), 0x200, 0x200,
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sizeof(dos_header) + sizeof(DWORD) + sizeof(IMAGE_FILE_HEADER) + FIELD_OFFSET(IMAGE_OPTIONAL_HEADER, CheckSum) + sizeof(IMAGE_SECTION_HEADER) + 0x10,
sizeof(dos_header) + sizeof(DWORD) + sizeof(IMAGE_FILE_HEADER) + FIELD_OFFSET(IMAGE_OPTIONAL_HEADER, CheckSum) + sizeof(IMAGE_SECTION_HEADER),
ERROR_SUCCESS
},
{ &dos_header, sizeof(dos_header),
0, FIELD_OFFSET(IMAGE_OPTIONAL_HEADER, CheckSum), 0x200, 0x200,
0xd0, /* beyond of the end of file */
0xc0, /* beyond of the end of file */
ERROR_SUCCESS
},
{ &dos_header, sizeof(dos_header),
0, FIELD_OFFSET(IMAGE_OPTIONAL_HEADER, CheckSum), 0x200, 0x200,
0x1000,
0,
ERROR_SUCCESS
},
{ &dos_header, sizeof(dos_header),
0, FIELD_OFFSET(IMAGE_OPTIONAL_HEADER, CheckSum), 0x200, 0x200,
1,
0,
ERROR_SUCCESS
},
#if 0 /* not power of 2 alignments need more test cases */
{ &dos_header, sizeof(dos_header),
0, FIELD_OFFSET(IMAGE_OPTIONAL_HEADER, CheckSum), 0x300, 0x300,
1,
0,
ERROR_BAD_EXE_FORMAT /* alignment is not power of 2 */
},
#endif
{ &dos_header, sizeof(dos_header),
0, FIELD_OFFSET(IMAGE_OPTIONAL_HEADER, CheckSum), 4, 4,
1,
0,
ERROR_SUCCESS
},
{ &dos_header, sizeof(dos_header),
0, FIELD_OFFSET(IMAGE_OPTIONAL_HEADER, CheckSum), 1, 1,
1,
0,
ERROR_SUCCESS
},
{ &dos_header, sizeof(dos_header),
0, FIELD_OFFSET(IMAGE_OPTIONAL_HEADER, CheckSum), 0x200, 0x200,
0,
0,
ERROR_BAD_EXE_FORMAT /* image size == 0 -> failure */
},
/* the following data mimics the PE image which upack creates */
{ &dos_header, 0x10,
1, 0x148, 0x1000, 0x200,
sizeof(dos_header) + sizeof(nt_header) + sizeof(IMAGE_SECTION_HEADER) + 0x1000,
0x200,
ERROR_SUCCESS
},
/* Minimal PE image that XP is able to load: 92 bytes */
{ &dos_header, 0x04,
0, FIELD_OFFSET(IMAGE_OPTIONAL_HEADER, CheckSum),
0x04 /* also serves as e_lfanew in the truncated MZ header */, 0x04,
1,
0,
ERROR_SUCCESS
}
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};
static const char filler[0x1000];
static const char section_data[0x10] = "section data";
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int i;
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DWORD dummy, file_size, file_align;
HANDLE hfile;
HMODULE hlib, hlib_as_data_file;
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SYSTEM_INFO si;
char temp_path[MAX_PATH];
char dll_name[MAX_PATH];
GetSystemInfo(&si);
trace("system page size 0x%04x\n", si.dwPageSize);
/* prevent displaying of the "Unable to load this DLL" message box */
SetErrorMode(SEM_FAILCRITICALERRORS);
GetTempPath(MAX_PATH, temp_path);
for (i = 0; i < sizeof(td)/sizeof(td[0]); i++)
{
GetTempFileName(temp_path, "ldr", 0, dll_name);
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/*trace("creating %s\n", dll_name);*/
hfile = CreateFileA(dll_name, GENERIC_WRITE, 0, NULL, CREATE_ALWAYS, 0, 0);
if (hfile == INVALID_HANDLE_VALUE)
{
ok(0, "could not create %s\n", dll_name);
break;
}
SetLastError(0xdeadbeef);
ok(WriteFile(hfile, td[i].dos_header, td[i].size_of_dos_header, &dummy, NULL),
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"WriteFile error %d\n", GetLastError());
nt_header.FileHeader.NumberOfSections = td[i].number_of_sections;
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nt_header.FileHeader.SizeOfOptionalHeader = td[i].size_of_optional_header;
nt_header.OptionalHeader.SectionAlignment = td[i].section_alignment;
nt_header.OptionalHeader.FileAlignment = td[i].file_alignment;
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nt_header.OptionalHeader.SizeOfImage = td[i].size_of_image;
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nt_header.OptionalHeader.SizeOfHeaders = td[i].size_of_headers;
SetLastError(0xdeadbeef);
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ok(WriteFile(hfile, &nt_header, sizeof(DWORD) + sizeof(IMAGE_FILE_HEADER), &dummy, NULL),
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"WriteFile error %d\n", GetLastError());
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if (nt_header.FileHeader.SizeOfOptionalHeader)
{
SetLastError(0xdeadbeef);
ok(WriteFile(hfile, &nt_header.OptionalHeader,
min(nt_header.FileHeader.SizeOfOptionalHeader, sizeof(IMAGE_OPTIONAL_HEADER)),
&dummy, NULL),
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"WriteFile error %d\n", GetLastError());
if (nt_header.FileHeader.SizeOfOptionalHeader > sizeof(IMAGE_OPTIONAL_HEADER))
{
file_align = nt_header.FileHeader.SizeOfOptionalHeader - sizeof(IMAGE_OPTIONAL_HEADER);
assert(file_align < sizeof(filler));
SetLastError(0xdeadbeef);
ok(WriteFile(hfile, filler, file_align, &dummy, NULL),
"WriteFile error %d\n", GetLastError());
}
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}
assert(nt_header.FileHeader.NumberOfSections <= 1);
if (nt_header.FileHeader.NumberOfSections)
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{
if (nt_header.OptionalHeader.SectionAlignment >= si.dwPageSize)
{
section.PointerToRawData = td[i].size_of_dos_header;
section.VirtualAddress = nt_header.OptionalHeader.SectionAlignment;
section.Misc.VirtualSize = section.SizeOfRawData * 10;
}
else
{
section.PointerToRawData = nt_header.OptionalHeader.SizeOfHeaders;
section.VirtualAddress = nt_header.OptionalHeader.SizeOfHeaders;
section.Misc.VirtualSize = 5;
}
SetLastError(0xdeadbeef);
ok(WriteFile(hfile, &section, sizeof(section), &dummy, NULL),
"WriteFile error %d\n", GetLastError());
/* section data */
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SetLastError(0xdeadbeef);
ok(WriteFile(hfile, section_data, sizeof(section_data), &dummy, NULL),
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"WriteFile error %d\n", GetLastError());
}
file_size = GetFileSize(hfile, NULL);
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CloseHandle(hfile);
SetLastError(0xdeadbeef);
hlib = LoadLibrary(dll_name);
if (td[i].error == ERROR_SUCCESS)
{
MEMORY_BASIC_INFORMATION info;
ok(hlib != 0, "%d: LoadLibrary error %d\n", i, GetLastError());
/* No point in crashing. Test crashes on Vista with some of the given files */
if (hlib == 0)
{
skip("Failed to load dll number %d\n", i);
goto endloop;
}
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SetLastError(0xdeadbeef);
ok(VirtualQuery(hlib, &info, sizeof(info)) == sizeof(info),
"%d: VirtualQuery error %d\n", i, GetLastError());
ok(info.BaseAddress == hlib, "%d: %p != %p\n", i, info.BaseAddress, hlib);
ok(info.AllocationBase == hlib, "%d: %p != %p\n", i, info.AllocationBase, hlib);
ok(info.AllocationProtect == PAGE_EXECUTE_WRITECOPY, "%d: %x != PAGE_EXECUTE_WRITECOPY\n", i, info.AllocationProtect);
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ok(info.RegionSize == ALIGN_SIZE(nt_header.OptionalHeader.SizeOfImage, si.dwPageSize), "%d: got %lx != expected %x\n",
i, info.RegionSize, ALIGN_SIZE(nt_header.OptionalHeader.SizeOfImage, si.dwPageSize));
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ok(info.State == MEM_COMMIT, "%d: %x != MEM_COMMIT\n", i, info.State);
if (nt_header.OptionalHeader.SectionAlignment < si.dwPageSize)
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ok(info.Protect == PAGE_EXECUTE_WRITECOPY, "%d: %x != PAGE_EXECUTE_WRITECOPY\n", i, info.Protect);
else
ok(info.Protect == PAGE_READONLY, "%d: %x != PAGE_READONLY\n", i, info.Protect);
ok(info.Type == SEC_IMAGE, "%d: %x != SEC_IMAGE\n", i, info.Type);
SetLastError(0xdeadbeef);
ok(VirtualQuery((char *)hlib + info.RegionSize, &info, sizeof(info)) == sizeof(info),
"%d: VirtualQuery error %d\n", i, GetLastError());
if (nt_header.OptionalHeader.SectionAlignment == si.dwPageSize ||
nt_header.OptionalHeader.SectionAlignment == nt_header.OptionalHeader.FileAlignment)
{
ok(info.BaseAddress == (char *)hlib + ALIGN_SIZE(nt_header.OptionalHeader.SizeOfImage, si.dwPageSize), "%d: got %p != expected %p\n",
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i, info.BaseAddress, (char *)hlib + ALIGN_SIZE(nt_header.OptionalHeader.SizeOfImage, si.dwPageSize));
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ok(info.AllocationBase == 0, "%d: %p != 0\n", i, info.AllocationBase);
ok(info.AllocationProtect == 0, "%d: %x != 0\n", i, info.AllocationProtect);
/*ok(info.RegionSize == not_practical_value, "%d: %lx != not_practical_value\n", i, info.RegionSize);*/
ok(info.State == MEM_FREE, "%d: %x != MEM_FREE\n", i, info.State);
ok(info.Type == 0, "%d: %x != 0\n", i, info.Type);
ok(info.Protect == PAGE_NOACCESS, "%d: %x != PAGE_NOACCESS\n", i, info.Protect);
}
else
{
ok(info.Protect == PAGE_EXECUTE_WRITECOPY, "%d: %x != PAGE_EXECUTE_WRITECOPY\n", i, info.Protect);
ok(info.BaseAddress == hlib, "%d: got %p != expected %p\n", i, info.BaseAddress, hlib);
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ok(info.AllocationBase == hlib, "%d: %p != %p\n", i, info.AllocationBase, hlib);
ok(info.AllocationProtect == PAGE_EXECUTE_WRITECOPY, "%d: %x != PAGE_EXECUTE_WRITECOPY\n", i, info.AllocationProtect);
ok(info.RegionSize == ALIGN_SIZE(file_size, si.dwPageSize), "%d: got %lx != expected %x\n",
i, info.RegionSize, ALIGN_SIZE(file_size, si.dwPageSize));
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ok(info.State == MEM_COMMIT, "%d: %x != MEM_COMMIT\n", i, info.State);
ok(info.Protect == PAGE_READONLY, "%d: %x != PAGE_READONLY\n", i, info.Protect);
ok(info.Type == SEC_IMAGE, "%d: %x != SEC_IMAGE\n", i, info.Type);
}
/* header: check the zeroing of alignment */
if (nt_header.OptionalHeader.SectionAlignment >= si.dwPageSize)
{
const char *start;
int size;
start = (const char *)hlib + nt_header.OptionalHeader.SizeOfHeaders;
size = ALIGN_SIZE((ULONG_PTR)start, si.dwPageSize) - (ULONG_PTR)start;
ok(!memcmp(start, filler, size), "%d: header alignment is not cleared\n", i);
}
if (nt_header.FileHeader.NumberOfSections)
{
SetLastError(0xdeadbeef);
ok(VirtualQuery((char *)hlib + section.VirtualAddress, &info, sizeof(info)) == sizeof(info),
"%d: VirtualQuery error %d\n", i, GetLastError());
if (nt_header.OptionalHeader.SectionAlignment < si.dwPageSize)
{
ok(info.BaseAddress == (char *)hlib, "%d: got %p != expected %p\n", i, info.BaseAddress, (char *)hlib);
ok(info.RegionSize == ALIGN_SIZE(nt_header.OptionalHeader.SizeOfImage, si.dwPageSize), "%d: got %lx != expected %x\n",
i, info.RegionSize, ALIGN_SIZE(nt_header.OptionalHeader.SizeOfImage, si.dwPageSize));
ok(info.Protect == PAGE_EXECUTE_WRITECOPY, "%d: %x != PAGE_EXECUTE_WRITECOPY\n", i, info.Protect);
}
else
{
ok(info.BaseAddress == (char *)hlib + section.VirtualAddress, "%d: got %p != expected %p\n", i, info.BaseAddress, (char *)hlib + section.VirtualAddress);
ok(info.RegionSize == ALIGN_SIZE(section.Misc.VirtualSize, si.dwPageSize), "%d: got %lx != expected %x\n",
i, info.RegionSize, ALIGN_SIZE(section.Misc.VirtualSize, si.dwPageSize));
ok(info.Protect == PAGE_READONLY, "%d: %x != PAGE_READONLY\n", i, info.Protect);
}
ok(info.AllocationBase == hlib, "%d: %p != %p\n", i, info.AllocationBase, hlib);
ok(info.AllocationProtect == PAGE_EXECUTE_WRITECOPY, "%d: %x != PAGE_EXECUTE_WRITECOPY\n", i, info.AllocationProtect);
ok(info.State == MEM_COMMIT, "%d: %x != MEM_COMMIT\n", i, info.State);
ok(info.Type == SEC_IMAGE, "%d: %x != SEC_IMAGE\n", i, info.Type);
if (nt_header.OptionalHeader.SectionAlignment >= si.dwPageSize)
ok(!memcmp((const char *)hlib + section.VirtualAddress + section.PointerToRawData, &nt_header, section.SizeOfRawData), "wrong section data\n");
else
ok(!memcmp((const char *)hlib + section.PointerToRawData, section_data, section.SizeOfRawData), "wrong section data\n");
/* check the zeroing of alignment */
if (nt_header.OptionalHeader.SectionAlignment >= si.dwPageSize)
{
const char *start;
int size;
start = (const char *)hlib + section.VirtualAddress + section.PointerToRawData + section.SizeOfRawData;
size = ALIGN_SIZE((ULONG_PTR)start, si.dwPageSize) - (ULONG_PTR)start;
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ok(memcmp(start, filler, size), "%d: alignment should not be cleared\n", i);
}
}
SetLastError(0xdeadbeef);
hlib_as_data_file = LoadLibraryEx(dll_name, 0, LOAD_LIBRARY_AS_DATAFILE);
ok(hlib_as_data_file != 0, "LoadLibraryEx error %u\n", GetLastError());
ok(hlib_as_data_file == hlib, "hlib_as_file and hlib are different\n");
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SetLastError(0xdeadbeef);
ok(FreeLibrary(hlib), "FreeLibrary error %d\n", GetLastError());
SetLastError(0xdeadbeef);
hlib = GetModuleHandle(dll_name);
ok(hlib != 0, "GetModuleHandle error %u\n", GetLastError());
SetLastError(0xdeadbeef);
ok(FreeLibrary(hlib_as_data_file), "FreeLibrary error %d\n", GetLastError());
hlib = GetModuleHandle(dll_name);
ok(!hlib, "GetModuleHandle should fail\n");
SetLastError(0xdeadbeef);
hlib_as_data_file = LoadLibraryEx(dll_name, 0, LOAD_LIBRARY_AS_DATAFILE);
ok(hlib_as_data_file != 0, "LoadLibraryEx error %u\n", GetLastError());
ok((ULONG_PTR)hlib_as_data_file & 1, "hlib_as_data_file is even\n");
hlib = GetModuleHandle(dll_name);
ok(!hlib, "GetModuleHandle should fail\n");
SetLastError(0xdeadbeef);
ok(FreeLibrary(hlib_as_data_file), "FreeLibrary error %d\n", GetLastError());
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}
else
{ /* LoadLibrary is expected to fail */
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ok(!hlib, "%d: LoadLibrary should fail\n", i);
if (GetLastError() == ERROR_GEN_FAILURE) /* Win9x, broken behaviour */
{
trace("skipping the loader test on Win9x\n");
DeleteFile(dll_name);
return;
}
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ok(td[i].error == GetLastError(), "%d: expected error %d, got %d\n",
i, td[i].error, GetLastError());
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}
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endloop:
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SetLastError(0xdeadbeef);
ok(DeleteFile(dll_name), "DeleteFile error %d\n", GetLastError());
}
}