mirror of
https://github.com/reactos/reactos.git
synced 2024-07-31 16:48:14 +00:00
*** empty log message ***
svn path=/trunk/; revision=966
This commit is contained in:
Jason Filby
parent
d24a48cd94
commit
980d94c760
|
|
@ -1,4 +1,4 @@
|
|||
/* $Id: loader.c,v 1.42 2000/01/12 19:03:27 ekohl Exp $
|
||||
/* $Id: loader.c,v 1.43 2000/01/26 21:10:16 jfilby Exp $
|
||||
*
|
||||
* COPYRIGHT: See COPYING in the top level directory
|
||||
* PROJECT: ReactOS kernel
|
||||
|
|
@ -6,13 +6,15 @@
|
|||
* PURPOSE: Loaders for PE executables
|
||||
* PROGRAMMERS: Jean Michault
|
||||
* Rex Jolliff (rex@lvcablemodem.com)
|
||||
* Jason Filby (jasonfilby@yahoo.com)
|
||||
* UPDATE HISTORY:
|
||||
* DW 22/05/98 Created
|
||||
* RJJ 10/12/98 Completed image loader function and added hooks for MZ/PE
|
||||
* RJJ 10/12/98 Built driver loader function and added hooks for PE/COFF
|
||||
* RJJ 10/12/98 Rolled in David's code to load COFF drivers
|
||||
* JM 14/12/98 Built initial PE user module loader
|
||||
* RJJ 06/03/99 Moved user PE loader into NTDLL
|
||||
* DW 22/05/98 Created
|
||||
* RJJ 10/12/98 Completed image loader function and added hooks for MZ/PE
|
||||
* RJJ 10/12/98 Built driver loader function and added hooks for PE/COFF
|
||||
* RJJ 10/12/98 Rolled in David's code to load COFF drivers
|
||||
* JM 14/12/98 Built initial PE user module loader
|
||||
* RJJ 06/03/99 Moved user PE loader into NTDLL
|
||||
* JF 26/01/2000 Recoded some parts to retrieve export details correctly
|
||||
*/
|
||||
|
||||
/* INCLUDES *****************************************************************/
|
||||
|
|
@ -174,7 +176,7 @@ static VOID LdrLoadAutoConfigDriver (LPWSTR RelativeDriverName)
|
|||
NTSTATUS Status;
|
||||
UNICODE_STRING DriverName;
|
||||
|
||||
DbgPrint("Loading %S\n",RelativeDriverName);
|
||||
DbgPrint("Loading %w\n",RelativeDriverName);
|
||||
|
||||
LdrGetSystemDirectory(TmpFileName, (MAX_PATH * sizeof(WCHAR)));
|
||||
wcscat(TmpFileName, L"\\drivers\\");
|
||||
|
|
@ -209,11 +211,11 @@ LdrLoadAutoConfigDrivers (VOID)
|
|||
/*
|
||||
* VideoPort driver
|
||||
*/
|
||||
// LdrLoadAutoConfigDriver( L"vidport.sys" );
|
||||
LdrLoadAutoConfigDriver( L"vidport.sys" );
|
||||
/*
|
||||
* VGA Miniport driver
|
||||
*/
|
||||
// LdrLoadAutoConfigDriver( L"vgamp.sys" );
|
||||
LdrLoadAutoConfigDriver( L"vgamp.sys" );
|
||||
}
|
||||
|
||||
|
||||
|
|
@ -318,6 +320,7 @@ LdrLoadModule(PUNICODE_STRING Filename)
|
|||
/* Allocate nonpageable memory for driver */
|
||||
ModuleLoadBase = ExAllocatePool(NonPagedPool,
|
||||
FileStdInfo.EndOfFile.u.LowPart);
|
||||
|
||||
if (ModuleLoadBase == NULL)
|
||||
{
|
||||
DbgPrint("could not allocate memory for module");
|
||||
|
|
@ -462,6 +465,8 @@ LdrGetExportAddress(PMODULE_OBJECT ModuleObject,
|
|||
|
||||
/* ---------------------------------------------- PE Module support */
|
||||
|
||||
typedef char *PSTR;
|
||||
|
||||
PMODULE_OBJECT
|
||||
LdrPEProcessModule(PVOID ModuleLoadBase, PUNICODE_STRING pModuleName)
|
||||
{
|
||||
|
|
@ -487,7 +492,7 @@ LdrPEProcessModule(PVOID ModuleLoadBase, PUNICODE_STRING pModuleName)
|
|||
OBJECT_ATTRIBUTES ObjectAttributes;
|
||||
UNICODE_STRING ModuleName;
|
||||
WCHAR NameBuffer[60];
|
||||
|
||||
|
||||
DPRINT("Processing PE Module at module base:%08lx\n", ModuleLoadBase);
|
||||
|
||||
/* Get header pointers */
|
||||
|
|
@ -542,7 +547,7 @@ LdrPEProcessModule(PVOID ModuleLoadBase, PUNICODE_STRING pModuleName)
|
|||
DriverSize = PEOptionalHeader->SizeOfImage;
|
||||
DPRINT("DriverSize %x\n",DriverSize);
|
||||
|
||||
/* Allocate a virtual section for the module */
|
||||
/* Allocate a virtual section for the module */
|
||||
DriverBase = MmAllocateSection(DriverSize);
|
||||
if (DriverBase == 0)
|
||||
{
|
||||
|
|
@ -553,32 +558,38 @@ LdrPEProcessModule(PVOID ModuleLoadBase, PUNICODE_STRING pModuleName)
|
|||
DPRINT1("Module is at base %x\n",DriverBase);
|
||||
|
||||
/* Copy image sections into virtual section */
|
||||
// memcpy(DriverBase, ModuleLoadBase, PESectionHeaders[0].PointerToRawData);
|
||||
memcpy(DriverBase, ModuleLoadBase, PESectionHeaders[0].PointerToRawData);
|
||||
// CurrentBase = (PVOID) ((DWORD)DriverBase + PESectionHeaders[0].PointerToRawData);
|
||||
CurrentSize = 0;
|
||||
|
||||
memcpy(DriverBase, ModuleLoadBase, DriverSize);
|
||||
|
||||
for (Idx = 0; Idx < PEFileHeader->NumberOfSections; Idx++)
|
||||
{
|
||||
/* Copy current section into current offset of virtual section */
|
||||
// Copy current section into current offset of virtual section
|
||||
if (PESectionHeaders[Idx].Characteristics &
|
||||
(IMAGE_SECTION_CHAR_CODE | IMAGE_SECTION_CHAR_DATA))
|
||||
{
|
||||
DPRINT("PESectionHeaders[Idx].VirtualAddress + DriverBase %x\n",
|
||||
PESectionHeaders[Idx].VirtualAddress + DriverBase);
|
||||
memcpy(PESectionHeaders[Idx].VirtualAddress + DriverBase,
|
||||
(PVOID)(ModuleLoadBase + PESectionHeaders[Idx].PointerToRawData),
|
||||
PESectionHeaders[Idx].Misc.VirtualSize /*SizeOfRawData*/);
|
||||
memcpy(PESectionHeaders[Idx].VirtualAddress + DriverBase,
|
||||
(PVOID)(ModuleLoadBase + PESectionHeaders[Idx].PointerToRawData),
|
||||
PESectionHeaders[Idx].Misc.VirtualSize);
|
||||
}
|
||||
else
|
||||
{
|
||||
DPRINT("PESectionHeaders[Idx].VirtualAddress + DriverBase %x\n",
|
||||
PESectionHeaders[Idx].VirtualAddress + DriverBase);
|
||||
memset(PESectionHeaders[Idx].VirtualAddress + DriverBase,
|
||||
'\0', PESectionHeaders[Idx].Misc.VirtualSize /*SizeOfRawData*/);
|
||||
'\0', PESectionHeaders[Idx].Misc.VirtualSize);
|
||||
|
||||
}
|
||||
CurrentSize += ROUND_UP(PESectionHeaders[Idx].Misc.VirtualSize /*SizeOfRawData*/,
|
||||
CurrentSize += ROUND_UP(PESectionHeaders[Idx].Misc.VirtualSize,
|
||||
PEOptionalHeader->SectionAlignment);
|
||||
|
||||
|
||||
// CurrentBase = (PVOID)((DWORD)CurrentBase +
|
||||
// ROUND_UP(PESectionHeaders[Idx].Misc.VirtualSize /*SizeOfRawData*/,
|
||||
// ROUND_UP(PESectionHeaders[Idx].SizeOfRawData.Misc.VirtualSize,
|
||||
// PEOptionalHeader->SectionAlignment));
|
||||
}
|
||||
|
||||
|
|
@ -652,8 +663,7 @@ LdrPEProcessModule(PVOID ModuleLoadBase, PUNICODE_STRING pModuleName)
|
|||
PEOptionalHeader->DataDirectory[IMAGE_DIRECTORY_ENTRY_IMPORT]
|
||||
.VirtualAddress);
|
||||
/* Perform import fixups */
|
||||
if (PEOptionalHeader->DataDirectory[
|
||||
IMAGE_DIRECTORY_ENTRY_IMPORT].VirtualAddress)
|
||||
if (PEOptionalHeader->DataDirectory[IMAGE_DIRECTORY_ENTRY_IMPORT].VirtualAddress)
|
||||
{
|
||||
PIMAGE_IMPORT_MODULE_DIRECTORY ImportModuleDirectory;
|
||||
|
||||
|
|
@ -680,6 +690,7 @@ LdrPEProcessModule(PVOID ModuleLoadBase, PUNICODE_STRING pModuleName)
|
|||
ModuleName.Length = ModuleName.MaximumLength = wcslen(NameBuffer);
|
||||
ModuleName.Buffer = NameBuffer;
|
||||
DPRINT("Import module: %wZ\n", &ModuleName);
|
||||
|
||||
LibraryModuleObject = LdrLoadModule(&ModuleName);
|
||||
if (LibraryModuleObject == 0)
|
||||
{
|
||||
|
|
@ -706,6 +717,8 @@ LdrPEProcessModule(PVOID ModuleLoadBase, PUNICODE_STRING pModuleName)
|
|||
if ((*FunctionNameList) & 0x80000000) // hint
|
||||
{
|
||||
pName = NULL;
|
||||
|
||||
|
||||
Hint = (*FunctionNameList) & 0xffff;
|
||||
}
|
||||
else // hint-name
|
||||
|
|
@ -791,18 +804,18 @@ LdrPEProcessModule(PVOID ModuleLoadBase, PUNICODE_STRING pModuleName)
|
|||
PEOptionalHeader->AddressOfEntryPoint);
|
||||
ModuleObject->Length = DriverSize;
|
||||
DPRINT("entrypoint at %x\n", ModuleObject->EntryPoint);
|
||||
ModuleObject->Image.PE.FileHeader =
|
||||
(PIMAGE_FILE_HEADER) ((unsigned int) DriverBase +
|
||||
PEDosHeader->e_lfanew + sizeof(ULONG));
|
||||
|
||||
ModuleObject->Image.PE.FileHeader =
|
||||
(PIMAGE_FILE_HEADER) ((unsigned int) DriverBase + PEDosHeader->e_lfanew + sizeof(ULONG));
|
||||
|
||||
DPRINT("FileHeader at %x\n", ModuleObject->Image.PE.FileHeader);
|
||||
ModuleObject->Image.PE.OptionalHeader =
|
||||
(PIMAGE_OPTIONAL_HEADER) ((unsigned int) DriverBase +
|
||||
PEDosHeader->e_lfanew + sizeof(ULONG) + sizeof(IMAGE_FILE_HEADER));
|
||||
(PIMAGE_OPTIONAL_HEADER) ((unsigned int) DriverBase + PEDosHeader->e_lfanew + sizeof(ULONG) +
|
||||
sizeof(IMAGE_FILE_HEADER));
|
||||
DPRINT("OptionalHeader at %x\n", ModuleObject->Image.PE.OptionalHeader);
|
||||
ModuleObject->Image.PE.SectionList =
|
||||
(PIMAGE_SECTION_HEADER) ((unsigned int) DriverBase +
|
||||
PEDosHeader->e_lfanew + sizeof(ULONG) + sizeof(IMAGE_FILE_HEADER) +
|
||||
sizeof(IMAGE_OPTIONAL_HEADER));
|
||||
(PIMAGE_SECTION_HEADER) ((unsigned int) DriverBase + PEDosHeader->e_lfanew + sizeof(ULONG) +
|
||||
sizeof(IMAGE_FILE_HEADER) + sizeof(IMAGE_OPTIONAL_HEADER));
|
||||
DPRINT("SectionList at %x\n", ModuleObject->Image.PE.SectionList);
|
||||
|
||||
return ModuleObject;
|
||||
|
|
@ -814,7 +827,7 @@ LdrPEGetExportAddress(PMODULE_OBJECT ModuleObject,
|
|||
unsigned short Hint)
|
||||
{
|
||||
WORD Idx;
|
||||
DWORD ExportsStartRVA, ExportsEndRVA, Delta;
|
||||
DWORD ExportsStartRVA, ExportsEndRVA;
|
||||
PVOID ExportAddress;
|
||||
PWORD OrdinalList;
|
||||
PDWORD FunctionList, NameList;
|
||||
|
|
@ -826,35 +839,26 @@ LdrPEGetExportAddress(PMODULE_OBJECT ModuleObject,
|
|||
ExportsEndRVA = ExportsStartRVA +
|
||||
ModuleObject->Image.PE.OptionalHeader->DataDirectory
|
||||
[IMAGE_DIRECTORY_ENTRY_EXPORT].Size;
|
||||
|
||||
/* Get the IMAGE_SECTION_HEADER that contains the exports. This is
|
||||
usually the .edata section, but doesn't have to be. */
|
||||
SectionHeader = LdrPEGetEnclosingSectionHeader(ExportsStartRVA, ModuleObject);
|
||||
DPRINT("Base:%08lx ExportsStartRVA:%08lx End:%08lx SectionHeader:%08lx\n",
|
||||
ModuleObject->Base, ExportsStartRVA, ExportsEndRVA, SectionHeader);
|
||||
|
||||
if (!SectionHeader)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
Delta = (DWORD)(SectionHeader->VirtualAddress -
|
||||
SectionHeader->PointerToRawData);
|
||||
ExportDirectory = MakePtr(PIMAGE_EXPORT_DIRECTORY,
|
||||
|
||||
ExportDirectory = MakePtr(PIMAGE_EXPORT_DIRECTORY,
|
||||
ModuleObject->Base,
|
||||
ExportsStartRVA - Delta);
|
||||
DPRINT("Export Dir:%08lx\n", ExportDirectory);
|
||||
FunctionList = (PDWORD)((DWORD)ExportDirectory->AddressOfFunctions -
|
||||
Delta + ModuleObject->Base);
|
||||
NameList = (PDWORD)((DWORD)ExportDirectory->AddressOfNames -
|
||||
Delta + ModuleObject->Base);
|
||||
OrdinalList = (PWORD)((DWORD)ExportDirectory->AddressOfNameOrdinals -
|
||||
Delta + ModuleObject->Base);
|
||||
DPRINT("Delta:%08x\n", Delta);
|
||||
DPRINT("Func:%08x RVA:%08x Name:%08x RVA:%08x\nOrd:%08x RVA:%08x ",
|
||||
FunctionList, ExportDirectory->AddressOfFunctions,
|
||||
NameList, ExportDirectory->AddressOfNames,
|
||||
OrdinalList, ExportDirectory->AddressOfNameOrdinals);
|
||||
DPRINT("NumNames:%d NumFuncs:%d\n", ExportDirectory->NumberOfNames,
|
||||
ExportDirectory->NumberOfFunctions);
|
||||
SectionHeader->VirtualAddress);
|
||||
|
||||
FunctionList = (PDWORD)((DWORD)ExportDirectory->AddressOfFunctions + ModuleObject->Base);
|
||||
NameList = (PDWORD)((DWORD)ExportDirectory->AddressOfNames + ModuleObject->Base);
|
||||
OrdinalList = (PWORD)((DWORD)ExportDirectory->AddressOfNameOrdinals + ModuleObject->Base);
|
||||
|
||||
ExportAddress = 0;
|
||||
|
||||
if (Name != NULL)
|
||||
{
|
||||
for (Idx = 0; Idx < ExportDirectory->NumberOfNames; Idx++)
|
||||
|
|
@ -864,6 +868,7 @@ LdrPEGetExportAddress(PMODULE_OBJECT ModuleObject,
|
|||
Name,
|
||||
Idx,
|
||||
(DWORD) ModuleObject->Base + NameList[Idx]);
|
||||
|
||||
#endif
|
||||
if (!strcmp(Name, (PCHAR) ((DWORD)ModuleObject->Base + NameList[Idx])))
|
||||
{
|
||||
|
|
@ -881,8 +886,10 @@ LdrPEGetExportAddress(PMODULE_OBJECT ModuleObject,
|
|||
if (ExportAddress == 0)
|
||||
{
|
||||
DbgPrint("Export not found for %d:%s\n", Hint, Name != NULL ? Name : "(Ordinal)");
|
||||
for(;;) ;
|
||||
}
|
||||
|
||||
|
||||
return ExportAddress;
|
||||
}
|
||||
|
||||
|
|
@ -892,7 +899,7 @@ LdrPEGetEnclosingSectionHeader(DWORD RVA,
|
|||
{
|
||||
PIMAGE_SECTION_HEADER SectionHeader = SECHDROFFSET(ModuleObject->Base);
|
||||
unsigned i;
|
||||
|
||||
|
||||
for (i = 0; i < ModuleObject->Image.PE.FileHeader->NumberOfSections;
|
||||
i++, SectionHeader++)
|
||||
{
|
||||
|
|
@ -906,5 +913,3 @@ LdrPEGetEnclosingSectionHeader(DWORD RVA,
|
|||
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
|
|
|
|||
Loading…
Reference in a new issue