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Use W32API/PSDK structures/constants. The whole /ldr code is in MAJOR need of re-writing. Amazing it even works.

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svn path=/trunk/; revision=12709
This commit is contained in:
Alex Ionescu 2005-01-01 22:10:23 +00:00
parent 863fb4e364
commit 2ee2dcfd7e
2 changed files with 30 additions and 28 deletions
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6
reactos/include/pe.h
View file

@ -379,10 +379,10 @@ typedef struct _IMAGE_THUNK_DATA {
} u1;
} IMAGE_THUNK_DATA,*PIMAGE_THUNK_DATA;
typedef struct _IMAGE_IMPORT_DESCRIPTOR {
_ANONYMOUS_UNION union {
union {
DWORD Characteristics;
PIMAGE_THUNK_DATA OriginalFirstThunk;
} DUMMYUNIONNAME;
} ;
DWORD TimeDateStamp;
DWORD ForwarderChain;
DWORD Name;
@ -635,6 +635,8 @@ typedef struct _IMAGE_RESOURCE_DIRECTORY {
#define IMAGE_SIZEOF_ARCHIVE_MEMBER_HDR 60
#define SIZEOF_RFPO_DATA 16
#define IMAGE_FIRST_SECTION(h) ((PIMAGE_SECTION_HEADER) ((DWORD)h+FIELD_OFFSET(IMAGE_NT_HEADERS,OptionalHeader)+((PIMAGE_NT_HEADERS)(h))->FileHeader.SizeOfOptionalHeader))
/* Temporarily adding this here. This file will die soon. */
#define IMAGE_SCN_TYPE_NOLOAD 0x2L
#define IMAGE_SCN_TYPE_NO_PAD 8
#define IMAGE_SCN_CNT_CODE 32
#define IMAGE_SCN_CNT_INITIALIZED_DATA 64

52
reactos/ntoskrnl/ldr/loader.c
View file

@ -428,7 +428,7 @@ LdrProcessModule(PVOID ModuleLoadBase,
/* If MZ header exists */
PEDosHeader = (PIMAGE_DOS_HEADER) ModuleLoadBase;
if (PEDosHeader->e_magic == IMAGE_DOS_MAGIC && PEDosHeader->e_lfanew != 0L)
if (PEDosHeader->e_magic == IMAGE_DOS_SIGNATURE && PEDosHeader->e_lfanew != 0L)
{
return LdrPEProcessModule(ModuleLoadBase,
ModuleName,
@ -669,18 +669,18 @@ LdrLookupPageProtection(PVOID PageStart,
for (Idx = 0; Idx < PEFileHeader->NumberOfSections && (!Write || !Execute); Idx++)
{
Characteristics = PESectionHeaders[Idx].Characteristics;
if (!(Characteristics & IMAGE_SECTION_NOLOAD))
if (!(Characteristics & IMAGE_SCN_TYPE_NOLOAD))
{
Length = max(PESectionHeaders[Idx].Misc.VirtualSize, PESectionHeaders[Idx].SizeOfRawData);
BaseAddress = PESectionHeaders[Idx].VirtualAddress + (char*)DriverBase;
if (BaseAddress < (PVOID)((ULONG_PTR)PageStart + PAGE_SIZE) &&
PageStart < (PVOID)((ULONG_PTR)BaseAddress + Length))
{
if (Characteristics & IMAGE_SECTION_CHAR_CODE)
if (Characteristics & IMAGE_SCN_CNT_CODE)
{
Execute = TRUE;
}
if (Characteristics & (IMAGE_SECTION_CHAR_WRITABLE|IMAGE_SECTION_CHAR_BSS))
if (Characteristics & (IMAGE_SCN_MEM_WRITE|IMAGE_SCN_LNK_OTHER))
{
Write = TRUE;
}
@ -730,7 +730,7 @@ LdrPEProcessModule(PVOID ModuleLoadBase,
CHECKPOINT;
/* Check file magic numbers */
if (PEDosHeader->e_magic != IMAGE_DOS_MAGIC)
if (PEDosHeader->e_magic != IMAGE_DOS_SIGNATURE)
{
CPRINT("Incorrect MZ magic: %04x\n", PEDosHeader->e_magic);
return STATUS_UNSUCCESSFUL;
@ -740,7 +740,7 @@ LdrPEProcessModule(PVOID ModuleLoadBase,
CPRINT("Invalid lfanew offset: %08x\n", PEDosHeader->e_lfanew);
return STATUS_UNSUCCESSFUL;
}
if (PENtHeaders->Signature != IMAGE_PE_MAGIC)
if (PENtHeaders->Signature != IMAGE_NT_SIGNATURE)
{
CPRINT("Incorrect PE magic: %08x\n", PENtHeaders->Signature);
return STATUS_UNSUCCESSFUL;
@ -766,7 +766,7 @@ LdrPEProcessModule(PVOID ModuleLoadBase,
DriverSize = 0;
for (Idx = 0; Idx < PENtHeaders->FileHeader.NumberOfSections; Idx++)
{
if (!(PESectionHeaders[Idx].Characteristics & IMAGE_SECTION_NOLOAD))
if (!(PESectionHeaders[Idx].Characteristics & IMAGE_SCN_TYPE_NOLOAD))
{
CurrentSize = PESectionHeaders[Idx].VirtualAddress + PESectionHeaders[Idx].Misc.VirtualSize;
DriverSize = max(DriverSize, CurrentSize);
@ -899,9 +899,9 @@ LdrPEProcessModule(PVOID ModuleLoadBase,
MmSetPageProtect(NULL, PageAddress, Protect);
}
if (Characteristics & IMAGE_SECTION_CHAR_CODE)
if (Characteristics & IMAGE_SCN_CNT_CODE)
{
if (Characteristics & IMAGE_SECTION_CHAR_WRITABLE)
if (Characteristics & IMAGE_SCN_MEM_WRITE)
{
Protect = PAGE_EXECUTE_READWRITE;
}
@ -910,7 +910,7 @@ LdrPEProcessModule(PVOID ModuleLoadBase,
Protect = PAGE_EXECUTE_READ;
}
}
else if (Characteristics & (IMAGE_SECTION_CHAR_WRITABLE|IMAGE_SECTION_CHAR_BSS))
else if (Characteristics & (IMAGE_SCN_MEM_WRITE|IMAGE_SCN_LNK_OTHER))
{
Protect = PAGE_READWRITE;
}
@ -996,7 +996,7 @@ LdrSafePEProcessModule(PVOID ModuleLoadBase,
CHECKPOINT;
/* Check file magic numbers */
if (PEDosHeader->e_magic != IMAGE_DOS_MAGIC)
if (PEDosHeader->e_magic != IMAGE_DOS_SIGNATURE)
{
return NULL;
}
@ -1004,7 +1004,7 @@ LdrSafePEProcessModule(PVOID ModuleLoadBase,
{
return NULL;
}
if (PENtHeaders->Signature != IMAGE_PE_MAGIC)
if (PENtHeaders->Signature != IMAGE_NT_SIGNATURE)
{
return NULL;
}
@ -1090,9 +1090,9 @@ LdrSafePEProcessModule(PVOID ModuleLoadBase,
BaseAddress = PESectionHeaders[Idx].VirtualAddress + (char*)DriverBase;
PageAddress = (PVOID)PAGE_ROUND_DOWN(BaseAddress);
if (Characteristics & IMAGE_SECTION_CHAR_EXECUTABLE)
if (Characteristics & IMAGE_SCN_MEM_EXECUTE)
{
if (Characteristics & IMAGE_SECTION_CHAR_WRITABLE)
if (Characteristics & IMAGE_SCN_MEM_WRITE)
{
Protect = PAGE_EXECUTE_READWRITE;
}
@ -1101,7 +1101,7 @@ LdrSafePEProcessModule(PVOID ModuleLoadBase,
Protect = PAGE_EXECUTE_READ;
}
}
else if (Characteristics & IMAGE_SECTION_CHAR_WRITABLE)
else if (Characteristics & IMAGE_SCN_MEM_WRITE)
{
Protect = PAGE_READWRITE;
}
@ -1115,7 +1115,7 @@ LdrSafePEProcessModule(PVOID ModuleLoadBase,
PageAddress = (PVOID)((ULONG_PTR)PageAddress + PAGE_SIZE);
}
if (DriverBase == ModuleLoadBase &&
Characteristics & IMAGE_SECTION_CHAR_BSS)
Characteristics & IMAGE_SCN_LNK_OTHER)
{
/* For ntoskrnl, we must stop after the bss section */
break;
@ -1516,28 +1516,28 @@ LdrPEGetExportByOrdinal (PVOID BaseAddress,
static NTSTATUS
LdrPEProcessImportDirectoryEntry(PVOID DriverBase,
PMODULE_OBJECT ImportedModule,
PIMAGE_IMPORT_MODULE_DIRECTORY ImportModuleDirectory)
PIMAGE_IMPORT_DESCRIPTOR ImportModuleDirectory)
{
PVOID* ImportAddressList;
PULONG FunctionNameList;
ULONG Ordinal;
if (ImportModuleDirectory == NULL || ImportModuleDirectory->dwRVAModuleName == 0)
if (ImportModuleDirectory == NULL || ImportModuleDirectory->Name == 0)
{
return STATUS_UNSUCCESSFUL;
}
/* Get the import address list. */
ImportAddressList = (PVOID*)(DriverBase + ImportModuleDirectory->dwRVAFunctionAddressList);
ImportAddressList = (PVOID*)(DriverBase + (ULONG_PTR)ImportModuleDirectory->FirstThunk);
/* Get the list of functions to import. */
if (ImportModuleDirectory->dwRVAFunctionNameList != 0)
if (ImportModuleDirectory->OriginalFirstThunk != 0)
{
FunctionNameList = (PULONG) (DriverBase + ImportModuleDirectory->dwRVAFunctionNameList);
FunctionNameList = (PULONG) (DriverBase + (ULONG_PTR)ImportModuleDirectory->OriginalFirstThunk);
}
else
{
FunctionNameList = (PULONG)(DriverBase + ImportModuleDirectory->dwRVAFunctionAddressList);
FunctionNameList = (PULONG)(DriverBase + (ULONG_PTR)ImportModuleDirectory->FirstThunk);
}
/* Walk through function list and fixup addresses. */
@ -1573,22 +1573,22 @@ LdrPEProcessImportDirectoryEntry(PVOID DriverBase,
static NTSTATUS
LdrPEFixupImports(PMODULE_OBJECT Module)
{
PIMAGE_IMPORT_MODULE_DIRECTORY ImportModuleDirectory;
PIMAGE_IMPORT_DESCRIPTOR ImportModuleDirectory;
PCHAR ImportedName;
PMODULE_OBJECT ImportedModule;
NTSTATUS Status;
/* Process each import module */
ImportModuleDirectory = (PIMAGE_IMPORT_MODULE_DIRECTORY)
ImportModuleDirectory = (PIMAGE_IMPORT_DESCRIPTOR)
RtlImageDirectoryEntryToData(Module->Base,
TRUE,
IMAGE_DIRECTORY_ENTRY_IMPORT,
NULL);
DPRINT("Processeing import directory at %p\n", ImportModuleDirectory);
while (ImportModuleDirectory->dwRVAModuleName)
while (ImportModuleDirectory->Name)
{
/* Check to make sure that import lib is kernel */
ImportedName = (PCHAR) Module->Base + ImportModuleDirectory->dwRVAModuleName;
ImportedName = (PCHAR) Module->Base + ImportModuleDirectory->Name;
Status = LdrPEGetOrLoadModule(Module, ImportedName, &ImportedModule);
if (!NT_SUCCESS(Status))