reactos/ntoskrnl/mm/region.c

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/*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel
* FILE: ntoskrnl/mm/region.c
* PURPOSE: No purpose listed.
*
* PROGRAMMERS: David Welch
2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/i386/page.c (MmSetPageProtect): Fixed behaviour when called on the system address space. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/virtual.c (MmQueryAnonMem, MmProtectAnonMem, NtAllocateVirtualMemory, NtFreeVirtualMemory): Renamed segments to regions; moved region code to seperate file. Implemented NtQueryVirtualMemory and NtProtectVirtualMemory for anonymous memory areas. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/anonmem.c: Moved functions relating to areas created with NtAllocateVirtualMemory to a seperate file. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/section.c (MmQuerySectionView): Implemented NtQueryVirtualMemory for section views. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/section.c (MmAccessFaultSectionView, MmNotPresentFaultSectionView, MmProtectSectionView, MmMapViewOfSegment, MmAlterViewAttributes): Implemented NtProtectVirtualMemory for section views. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/ke/main.c: Removed SEH test code. 2002-08-10 David Welch <welch@computer2.darkstar.org> * lib/ntdll/ldr/utils.c (LdrFixupImports): Remove the readonly protection from the IAT before writing to it. 2002-08-10 David Welch <welch@computer2.darkstar.org> * lib/ntdll/ldr/utils.c (LdrAdjustDllName): Properly null terminate the base name of the DLL. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/ldr/loader.c (LdrPEProcessModule): Set the text segment of modules to readonly after loading. svn path=/trunk/; revision=3327
2002-08-10 16:41:20 +00:00
*/
2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/i386/page.c (MmSetPageProtect): Fixed behaviour when called on the system address space. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/virtual.c (MmQueryAnonMem, MmProtectAnonMem, NtAllocateVirtualMemory, NtFreeVirtualMemory): Renamed segments to regions; moved region code to seperate file. Implemented NtQueryVirtualMemory and NtProtectVirtualMemory for anonymous memory areas. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/anonmem.c: Moved functions relating to areas created with NtAllocateVirtualMemory to a seperate file. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/section.c (MmQuerySectionView): Implemented NtQueryVirtualMemory for section views. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/section.c (MmAccessFaultSectionView, MmNotPresentFaultSectionView, MmProtectSectionView, MmMapViewOfSegment, MmAlterViewAttributes): Implemented NtProtectVirtualMemory for section views. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/ke/main.c: Removed SEH test code. 2002-08-10 David Welch <welch@computer2.darkstar.org> * lib/ntdll/ldr/utils.c (LdrFixupImports): Remove the readonly protection from the IAT before writing to it. 2002-08-10 David Welch <welch@computer2.darkstar.org> * lib/ntdll/ldr/utils.c (LdrAdjustDllName): Properly null terminate the base name of the DLL. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/ldr/loader.c (LdrPEProcessModule): Set the text segment of modules to readonly after loading. svn path=/trunk/; revision=3327
2002-08-10 16:41:20 +00:00
/* INCLUDE *****************************************************************/
#include <ntoskrnl.h>
2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/i386/page.c (MmSetPageProtect): Fixed behaviour when called on the system address space. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/virtual.c (MmQueryAnonMem, MmProtectAnonMem, NtAllocateVirtualMemory, NtFreeVirtualMemory): Renamed segments to regions; moved region code to seperate file. Implemented NtQueryVirtualMemory and NtProtectVirtualMemory for anonymous memory areas. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/anonmem.c: Moved functions relating to areas created with NtAllocateVirtualMemory to a seperate file. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/section.c (MmQuerySectionView): Implemented NtQueryVirtualMemory for section views. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/section.c (MmAccessFaultSectionView, MmNotPresentFaultSectionView, MmProtectSectionView, MmMapViewOfSegment, MmAlterViewAttributes): Implemented NtProtectVirtualMemory for section views. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/ke/main.c: Removed SEH test code. 2002-08-10 David Welch <welch@computer2.darkstar.org> * lib/ntdll/ldr/utils.c (LdrFixupImports): Remove the readonly protection from the IAT before writing to it. 2002-08-10 David Welch <welch@computer2.darkstar.org> * lib/ntdll/ldr/utils.c (LdrAdjustDllName): Properly null terminate the base name of the DLL. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/ldr/loader.c (LdrPEProcessModule): Set the text segment of modules to readonly after loading. svn path=/trunk/; revision=3327
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#define NDEBUG
#include <debug.h>
2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/i386/page.c (MmSetPageProtect): Fixed behaviour when called on the system address space. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/virtual.c (MmQueryAnonMem, MmProtectAnonMem, NtAllocateVirtualMemory, NtFreeVirtualMemory): Renamed segments to regions; moved region code to seperate file. Implemented NtQueryVirtualMemory and NtProtectVirtualMemory for anonymous memory areas. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/anonmem.c: Moved functions relating to areas created with NtAllocateVirtualMemory to a seperate file. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/section.c (MmQuerySectionView): Implemented NtQueryVirtualMemory for section views. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/section.c (MmAccessFaultSectionView, MmNotPresentFaultSectionView, MmProtectSectionView, MmMapViewOfSegment, MmAlterViewAttributes): Implemented NtProtectVirtualMemory for section views. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/ke/main.c: Removed SEH test code. 2002-08-10 David Welch <welch@computer2.darkstar.org> * lib/ntdll/ldr/utils.c (LdrFixupImports): Remove the readonly protection from the IAT before writing to it. 2002-08-10 David Welch <welch@computer2.darkstar.org> * lib/ntdll/ldr/utils.c (LdrAdjustDllName): Properly null terminate the base name of the DLL. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/ldr/loader.c (LdrPEProcessModule): Set the text segment of modules to readonly after loading. svn path=/trunk/; revision=3327
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/* FUNCTIONS *****************************************************************/
static VOID
2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/i386/page.c (MmSetPageProtect): Fixed behaviour when called on the system address space. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/virtual.c (MmQueryAnonMem, MmProtectAnonMem, NtAllocateVirtualMemory, NtFreeVirtualMemory): Renamed segments to regions; moved region code to seperate file. Implemented NtQueryVirtualMemory and NtProtectVirtualMemory for anonymous memory areas. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/anonmem.c: Moved functions relating to areas created with NtAllocateVirtualMemory to a seperate file. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/section.c (MmQuerySectionView): Implemented NtQueryVirtualMemory for section views. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/section.c (MmAccessFaultSectionView, MmNotPresentFaultSectionView, MmProtectSectionView, MmMapViewOfSegment, MmAlterViewAttributes): Implemented NtProtectVirtualMemory for section views. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/ke/main.c: Removed SEH test code. 2002-08-10 David Welch <welch@computer2.darkstar.org> * lib/ntdll/ldr/utils.c (LdrFixupImports): Remove the readonly protection from the IAT before writing to it. 2002-08-10 David Welch <welch@computer2.darkstar.org> * lib/ntdll/ldr/utils.c (LdrAdjustDllName): Properly null terminate the base name of the DLL. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/ldr/loader.c (LdrPEProcessModule): Set the text segment of modules to readonly after loading. svn path=/trunk/; revision=3327
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InsertAfterEntry(PLIST_ENTRY Previous,
PLIST_ENTRY Entry)
2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/i386/page.c (MmSetPageProtect): Fixed behaviour when called on the system address space. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/virtual.c (MmQueryAnonMem, MmProtectAnonMem, NtAllocateVirtualMemory, NtFreeVirtualMemory): Renamed segments to regions; moved region code to seperate file. Implemented NtQueryVirtualMemory and NtProtectVirtualMemory for anonymous memory areas. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/anonmem.c: Moved functions relating to areas created with NtAllocateVirtualMemory to a seperate file. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/section.c (MmQuerySectionView): Implemented NtQueryVirtualMemory for section views. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/section.c (MmAccessFaultSectionView, MmNotPresentFaultSectionView, MmProtectSectionView, MmMapViewOfSegment, MmAlterViewAttributes): Implemented NtProtectVirtualMemory for section views. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/ke/main.c: Removed SEH test code. 2002-08-10 David Welch <welch@computer2.darkstar.org> * lib/ntdll/ldr/utils.c (LdrFixupImports): Remove the readonly protection from the IAT before writing to it. 2002-08-10 David Welch <welch@computer2.darkstar.org> * lib/ntdll/ldr/utils.c (LdrAdjustDllName): Properly null terminate the base name of the DLL. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/ldr/loader.c (LdrPEProcessModule): Set the text segment of modules to readonly after loading. svn path=/trunk/; revision=3327
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/*
* FUNCTION: Insert a list entry after another entry in the list
*/
{
Previous->Flink->Blink = Entry;
2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/i386/page.c (MmSetPageProtect): Fixed behaviour when called on the system address space. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/virtual.c (MmQueryAnonMem, MmProtectAnonMem, NtAllocateVirtualMemory, NtFreeVirtualMemory): Renamed segments to regions; moved region code to seperate file. Implemented NtQueryVirtualMemory and NtProtectVirtualMemory for anonymous memory areas. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/anonmem.c: Moved functions relating to areas created with NtAllocateVirtualMemory to a seperate file. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/section.c (MmQuerySectionView): Implemented NtQueryVirtualMemory for section views. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/section.c (MmAccessFaultSectionView, MmNotPresentFaultSectionView, MmProtectSectionView, MmMapViewOfSegment, MmAlterViewAttributes): Implemented NtProtectVirtualMemory for section views. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/ke/main.c: Removed SEH test code. 2002-08-10 David Welch <welch@computer2.darkstar.org> * lib/ntdll/ldr/utils.c (LdrFixupImports): Remove the readonly protection from the IAT before writing to it. 2002-08-10 David Welch <welch@computer2.darkstar.org> * lib/ntdll/ldr/utils.c (LdrAdjustDllName): Properly null terminate the base name of the DLL. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/ldr/loader.c (LdrPEProcessModule): Set the text segment of modules to readonly after loading. svn path=/trunk/; revision=3327
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Entry->Flink = Previous->Flink;
Entry->Blink = Previous;
2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/i386/page.c (MmSetPageProtect): Fixed behaviour when called on the system address space. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/virtual.c (MmQueryAnonMem, MmProtectAnonMem, NtAllocateVirtualMemory, NtFreeVirtualMemory): Renamed segments to regions; moved region code to seperate file. Implemented NtQueryVirtualMemory and NtProtectVirtualMemory for anonymous memory areas. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/anonmem.c: Moved functions relating to areas created with NtAllocateVirtualMemory to a seperate file. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/section.c (MmQuerySectionView): Implemented NtQueryVirtualMemory for section views. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/section.c (MmAccessFaultSectionView, MmNotPresentFaultSectionView, MmProtectSectionView, MmMapViewOfSegment, MmAlterViewAttributes): Implemented NtProtectVirtualMemory for section views. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/ke/main.c: Removed SEH test code. 2002-08-10 David Welch <welch@computer2.darkstar.org> * lib/ntdll/ldr/utils.c (LdrFixupImports): Remove the readonly protection from the IAT before writing to it. 2002-08-10 David Welch <welch@computer2.darkstar.org> * lib/ntdll/ldr/utils.c (LdrAdjustDllName): Properly null terminate the base name of the DLL. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/ldr/loader.c (LdrPEProcessModule): Set the text segment of modules to readonly after loading. svn path=/trunk/; revision=3327
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Previous->Flink = Entry;
}
static PMM_REGION
2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/i386/page.c (MmSetPageProtect): Fixed behaviour when called on the system address space. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/virtual.c (MmQueryAnonMem, MmProtectAnonMem, NtAllocateVirtualMemory, NtFreeVirtualMemory): Renamed segments to regions; moved region code to seperate file. Implemented NtQueryVirtualMemory and NtProtectVirtualMemory for anonymous memory areas. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/anonmem.c: Moved functions relating to areas created with NtAllocateVirtualMemory to a seperate file. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/section.c (MmQuerySectionView): Implemented NtQueryVirtualMemory for section views. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/section.c (MmAccessFaultSectionView, MmNotPresentFaultSectionView, MmProtectSectionView, MmMapViewOfSegment, MmAlterViewAttributes): Implemented NtProtectVirtualMemory for section views. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/ke/main.c: Removed SEH test code. 2002-08-10 David Welch <welch@computer2.darkstar.org> * lib/ntdll/ldr/utils.c (LdrFixupImports): Remove the readonly protection from the IAT before writing to it. 2002-08-10 David Welch <welch@computer2.darkstar.org> * lib/ntdll/ldr/utils.c (LdrAdjustDllName): Properly null terminate the base name of the DLL. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/ldr/loader.c (LdrPEProcessModule): Set the text segment of modules to readonly after loading. svn path=/trunk/; revision=3327
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MmSplitRegion(PMM_REGION InitialRegion, PVOID InitialBaseAddress,
PVOID StartAddress, ULONG Length, ULONG NewType,
ULONG NewProtect, PMMSUPPORT AddressSpace,
PMM_ALTER_REGION_FUNC AlterFunc)
2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/i386/page.c (MmSetPageProtect): Fixed behaviour when called on the system address space. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/virtual.c (MmQueryAnonMem, MmProtectAnonMem, NtAllocateVirtualMemory, NtFreeVirtualMemory): Renamed segments to regions; moved region code to seperate file. Implemented NtQueryVirtualMemory and NtProtectVirtualMemory for anonymous memory areas. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/anonmem.c: Moved functions relating to areas created with NtAllocateVirtualMemory to a seperate file. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/section.c (MmQuerySectionView): Implemented NtQueryVirtualMemory for section views. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/section.c (MmAccessFaultSectionView, MmNotPresentFaultSectionView, MmProtectSectionView, MmMapViewOfSegment, MmAlterViewAttributes): Implemented NtProtectVirtualMemory for section views. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/ke/main.c: Removed SEH test code. 2002-08-10 David Welch <welch@computer2.darkstar.org> * lib/ntdll/ldr/utils.c (LdrFixupImports): Remove the readonly protection from the IAT before writing to it. 2002-08-10 David Welch <welch@computer2.darkstar.org> * lib/ntdll/ldr/utils.c (LdrAdjustDllName): Properly null terminate the base name of the DLL. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/ldr/loader.c (LdrPEProcessModule): Set the text segment of modules to readonly after loading. svn path=/trunk/; revision=3327
2002-08-10 16:41:20 +00:00
{
PMM_REGION NewRegion1;
PMM_REGION NewRegion2;
ULONG InternalLength;
/* Allocate this in front otherwise the failure case is too difficult. */
NewRegion2 = ExAllocatePoolWithTag(NonPagedPool, sizeof(MM_REGION),
TAG_MM_REGION);
if (NewRegion2 == NULL)
{
2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/i386/page.c (MmSetPageProtect): Fixed behaviour when called on the system address space. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/virtual.c (MmQueryAnonMem, MmProtectAnonMem, NtAllocateVirtualMemory, NtFreeVirtualMemory): Renamed segments to regions; moved region code to seperate file. Implemented NtQueryVirtualMemory and NtProtectVirtualMemory for anonymous memory areas. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/anonmem.c: Moved functions relating to areas created with NtAllocateVirtualMemory to a seperate file. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/section.c (MmQuerySectionView): Implemented NtQueryVirtualMemory for section views. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/section.c (MmAccessFaultSectionView, MmNotPresentFaultSectionView, MmProtectSectionView, MmMapViewOfSegment, MmAlterViewAttributes): Implemented NtProtectVirtualMemory for section views. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/ke/main.c: Removed SEH test code. 2002-08-10 David Welch <welch@computer2.darkstar.org> * lib/ntdll/ldr/utils.c (LdrFixupImports): Remove the readonly protection from the IAT before writing to it. 2002-08-10 David Welch <welch@computer2.darkstar.org> * lib/ntdll/ldr/utils.c (LdrAdjustDllName): Properly null terminate the base name of the DLL. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/ldr/loader.c (LdrPEProcessModule): Set the text segment of modules to readonly after loading. svn path=/trunk/; revision=3327
2002-08-10 16:41:20 +00:00
return(NULL);
}
2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/i386/page.c (MmSetPageProtect): Fixed behaviour when called on the system address space. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/virtual.c (MmQueryAnonMem, MmProtectAnonMem, NtAllocateVirtualMemory, NtFreeVirtualMemory): Renamed segments to regions; moved region code to seperate file. Implemented NtQueryVirtualMemory and NtProtectVirtualMemory for anonymous memory areas. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/anonmem.c: Moved functions relating to areas created with NtAllocateVirtualMemory to a seperate file. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/section.c (MmQuerySectionView): Implemented NtQueryVirtualMemory for section views. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/section.c (MmAccessFaultSectionView, MmNotPresentFaultSectionView, MmProtectSectionView, MmMapViewOfSegment, MmAlterViewAttributes): Implemented NtProtectVirtualMemory for section views. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/ke/main.c: Removed SEH test code. 2002-08-10 David Welch <welch@computer2.darkstar.org> * lib/ntdll/ldr/utils.c (LdrFixupImports): Remove the readonly protection from the IAT before writing to it. 2002-08-10 David Welch <welch@computer2.darkstar.org> * lib/ntdll/ldr/utils.c (LdrAdjustDllName): Properly null terminate the base name of the DLL. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/ldr/loader.c (LdrPEProcessModule): Set the text segment of modules to readonly after loading. svn path=/trunk/; revision=3327
2002-08-10 16:41:20 +00:00
/* Create the new region. */
NewRegion1 = ExAllocatePoolWithTag(NonPagedPool, sizeof(MM_REGION),
TAG_MM_REGION);
if (NewRegion1 == NULL)
{
2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/i386/page.c (MmSetPageProtect): Fixed behaviour when called on the system address space. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/virtual.c (MmQueryAnonMem, MmProtectAnonMem, NtAllocateVirtualMemory, NtFreeVirtualMemory): Renamed segments to regions; moved region code to seperate file. Implemented NtQueryVirtualMemory and NtProtectVirtualMemory for anonymous memory areas. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/anonmem.c: Moved functions relating to areas created with NtAllocateVirtualMemory to a seperate file. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/section.c (MmQuerySectionView): Implemented NtQueryVirtualMemory for section views. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/section.c (MmAccessFaultSectionView, MmNotPresentFaultSectionView, MmProtectSectionView, MmMapViewOfSegment, MmAlterViewAttributes): Implemented NtProtectVirtualMemory for section views. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/ke/main.c: Removed SEH test code. 2002-08-10 David Welch <welch@computer2.darkstar.org> * lib/ntdll/ldr/utils.c (LdrFixupImports): Remove the readonly protection from the IAT before writing to it. 2002-08-10 David Welch <welch@computer2.darkstar.org> * lib/ntdll/ldr/utils.c (LdrAdjustDllName): Properly null terminate the base name of the DLL. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/ldr/loader.c (LdrPEProcessModule): Set the text segment of modules to readonly after loading. svn path=/trunk/; revision=3327
2002-08-10 16:41:20 +00:00
ExFreePool(NewRegion2);
return(NULL);
}
NewRegion1->Type = NewType;
NewRegion1->Protect = NewProtect;
InternalLength = ((char*)InitialBaseAddress + InitialRegion->Length) - (char*)StartAddress;
InternalLength = min(InternalLength, Length);
NewRegion1->Length = InternalLength;
InsertAfterEntry(&InitialRegion->RegionListEntry,
&NewRegion1->RegionListEntry);
/*
* Call our helper function to do the changes on the addresses contained
* in the initial region.
*/
AlterFunc(AddressSpace, StartAddress, InternalLength, InitialRegion->Type,
InitialRegion->Protect, NewType, NewProtect);
/*
* If necessary create a new region for the portion of the initial region
* beyond the range of addresses to alter.
*/
if (((char*)InitialBaseAddress + InitialRegion->Length) > ((char*)StartAddress + Length))
{
2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/i386/page.c (MmSetPageProtect): Fixed behaviour when called on the system address space. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/virtual.c (MmQueryAnonMem, MmProtectAnonMem, NtAllocateVirtualMemory, NtFreeVirtualMemory): Renamed segments to regions; moved region code to seperate file. Implemented NtQueryVirtualMemory and NtProtectVirtualMemory for anonymous memory areas. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/anonmem.c: Moved functions relating to areas created with NtAllocateVirtualMemory to a seperate file. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/section.c (MmQuerySectionView): Implemented NtQueryVirtualMemory for section views. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/section.c (MmAccessFaultSectionView, MmNotPresentFaultSectionView, MmProtectSectionView, MmMapViewOfSegment, MmAlterViewAttributes): Implemented NtProtectVirtualMemory for section views. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/ke/main.c: Removed SEH test code. 2002-08-10 David Welch <welch@computer2.darkstar.org> * lib/ntdll/ldr/utils.c (LdrFixupImports): Remove the readonly protection from the IAT before writing to it. 2002-08-10 David Welch <welch@computer2.darkstar.org> * lib/ntdll/ldr/utils.c (LdrAdjustDllName): Properly null terminate the base name of the DLL. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/ldr/loader.c (LdrPEProcessModule): Set the text segment of modules to readonly after loading. svn path=/trunk/; revision=3327
2002-08-10 16:41:20 +00:00
NewRegion2->Type = InitialRegion->Type;
NewRegion2->Protect = InitialRegion->Protect;
NewRegion2->Length = ((char*)InitialBaseAddress + InitialRegion->Length) -
((char*)StartAddress + Length);
InsertAfterEntry(&NewRegion1->RegionListEntry,
&NewRegion2->RegionListEntry);
}
else
{
2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/i386/page.c (MmSetPageProtect): Fixed behaviour when called on the system address space. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/virtual.c (MmQueryAnonMem, MmProtectAnonMem, NtAllocateVirtualMemory, NtFreeVirtualMemory): Renamed segments to regions; moved region code to seperate file. Implemented NtQueryVirtualMemory and NtProtectVirtualMemory for anonymous memory areas. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/anonmem.c: Moved functions relating to areas created with NtAllocateVirtualMemory to a seperate file. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/section.c (MmQuerySectionView): Implemented NtQueryVirtualMemory for section views. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/section.c (MmAccessFaultSectionView, MmNotPresentFaultSectionView, MmProtectSectionView, MmMapViewOfSegment, MmAlterViewAttributes): Implemented NtProtectVirtualMemory for section views. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/ke/main.c: Removed SEH test code. 2002-08-10 David Welch <welch@computer2.darkstar.org> * lib/ntdll/ldr/utils.c (LdrFixupImports): Remove the readonly protection from the IAT before writing to it. 2002-08-10 David Welch <welch@computer2.darkstar.org> * lib/ntdll/ldr/utils.c (LdrAdjustDllName): Properly null terminate the base name of the DLL. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/ldr/loader.c (LdrPEProcessModule): Set the text segment of modules to readonly after loading. svn path=/trunk/; revision=3327
2002-08-10 16:41:20 +00:00
ExFreePool(NewRegion2);
}
2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/i386/page.c (MmSetPageProtect): Fixed behaviour when called on the system address space. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/virtual.c (MmQueryAnonMem, MmProtectAnonMem, NtAllocateVirtualMemory, NtFreeVirtualMemory): Renamed segments to regions; moved region code to seperate file. Implemented NtQueryVirtualMemory and NtProtectVirtualMemory for anonymous memory areas. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/anonmem.c: Moved functions relating to areas created with NtAllocateVirtualMemory to a seperate file. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/section.c (MmQuerySectionView): Implemented NtQueryVirtualMemory for section views. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/section.c (MmAccessFaultSectionView, MmNotPresentFaultSectionView, MmProtectSectionView, MmMapViewOfSegment, MmAlterViewAttributes): Implemented NtProtectVirtualMemory for section views. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/ke/main.c: Removed SEH test code. 2002-08-10 David Welch <welch@computer2.darkstar.org> * lib/ntdll/ldr/utils.c (LdrFixupImports): Remove the readonly protection from the IAT before writing to it. 2002-08-10 David Welch <welch@computer2.darkstar.org> * lib/ntdll/ldr/utils.c (LdrAdjustDllName): Properly null terminate the base name of the DLL. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/ldr/loader.c (LdrPEProcessModule): Set the text segment of modules to readonly after loading. svn path=/trunk/; revision=3327
2002-08-10 16:41:20 +00:00
/* Either remove or shrink the initial region. */
if (InitialBaseAddress == StartAddress)
{
2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/i386/page.c (MmSetPageProtect): Fixed behaviour when called on the system address space. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/virtual.c (MmQueryAnonMem, MmProtectAnonMem, NtAllocateVirtualMemory, NtFreeVirtualMemory): Renamed segments to regions; moved region code to seperate file. Implemented NtQueryVirtualMemory and NtProtectVirtualMemory for anonymous memory areas. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/anonmem.c: Moved functions relating to areas created with NtAllocateVirtualMemory to a seperate file. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/section.c (MmQuerySectionView): Implemented NtQueryVirtualMemory for section views. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/section.c (MmAccessFaultSectionView, MmNotPresentFaultSectionView, MmProtectSectionView, MmMapViewOfSegment, MmAlterViewAttributes): Implemented NtProtectVirtualMemory for section views. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/ke/main.c: Removed SEH test code. 2002-08-10 David Welch <welch@computer2.darkstar.org> * lib/ntdll/ldr/utils.c (LdrFixupImports): Remove the readonly protection from the IAT before writing to it. 2002-08-10 David Welch <welch@computer2.darkstar.org> * lib/ntdll/ldr/utils.c (LdrAdjustDllName): Properly null terminate the base name of the DLL. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/ldr/loader.c (LdrPEProcessModule): Set the text segment of modules to readonly after loading. svn path=/trunk/; revision=3327
2002-08-10 16:41:20 +00:00
RemoveEntryList(&InitialRegion->RegionListEntry);
ExFreePool(InitialRegion);
}
else
{
InitialRegion->Length = (char*)StartAddress - (char*)InitialBaseAddress;
}
return(NewRegion1);
2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/i386/page.c (MmSetPageProtect): Fixed behaviour when called on the system address space. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/virtual.c (MmQueryAnonMem, MmProtectAnonMem, NtAllocateVirtualMemory, NtFreeVirtualMemory): Renamed segments to regions; moved region code to seperate file. Implemented NtQueryVirtualMemory and NtProtectVirtualMemory for anonymous memory areas. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/anonmem.c: Moved functions relating to areas created with NtAllocateVirtualMemory to a seperate file. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/section.c (MmQuerySectionView): Implemented NtQueryVirtualMemory for section views. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/section.c (MmAccessFaultSectionView, MmNotPresentFaultSectionView, MmProtectSectionView, MmMapViewOfSegment, MmAlterViewAttributes): Implemented NtProtectVirtualMemory for section views. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/ke/main.c: Removed SEH test code. 2002-08-10 David Welch <welch@computer2.darkstar.org> * lib/ntdll/ldr/utils.c (LdrFixupImports): Remove the readonly protection from the IAT before writing to it. 2002-08-10 David Welch <welch@computer2.darkstar.org> * lib/ntdll/ldr/utils.c (LdrAdjustDllName): Properly null terminate the base name of the DLL. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/ldr/loader.c (LdrPEProcessModule): Set the text segment of modules to readonly after loading. svn path=/trunk/; revision=3327
2002-08-10 16:41:20 +00:00
}
NTSTATUS
NTAPI
MmAlterRegion(PMMSUPPORT AddressSpace, PVOID BaseAddress,
PLIST_ENTRY RegionListHead, PVOID StartAddress, ULONG Length,
ULONG NewType, ULONG NewProtect, PMM_ALTER_REGION_FUNC AlterFunc)
2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/i386/page.c (MmSetPageProtect): Fixed behaviour when called on the system address space. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/virtual.c (MmQueryAnonMem, MmProtectAnonMem, NtAllocateVirtualMemory, NtFreeVirtualMemory): Renamed segments to regions; moved region code to seperate file. Implemented NtQueryVirtualMemory and NtProtectVirtualMemory for anonymous memory areas. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/anonmem.c: Moved functions relating to areas created with NtAllocateVirtualMemory to a seperate file. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/section.c (MmQuerySectionView): Implemented NtQueryVirtualMemory for section views. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/section.c (MmAccessFaultSectionView, MmNotPresentFaultSectionView, MmProtectSectionView, MmMapViewOfSegment, MmAlterViewAttributes): Implemented NtProtectVirtualMemory for section views. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/ke/main.c: Removed SEH test code. 2002-08-10 David Welch <welch@computer2.darkstar.org> * lib/ntdll/ldr/utils.c (LdrFixupImports): Remove the readonly protection from the IAT before writing to it. 2002-08-10 David Welch <welch@computer2.darkstar.org> * lib/ntdll/ldr/utils.c (LdrAdjustDllName): Properly null terminate the base name of the DLL. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/ldr/loader.c (LdrPEProcessModule): Set the text segment of modules to readonly after loading. svn path=/trunk/; revision=3327
2002-08-10 16:41:20 +00:00
{
PMM_REGION InitialRegion;
PVOID InitialBaseAddress = NULL;
PMM_REGION NewRegion;
PLIST_ENTRY CurrentEntry;
PMM_REGION CurrentRegion = NULL;
PVOID CurrentBaseAddress;
ULONG RemainingLength;
/*
* Find the first region containing part of the range of addresses to
* be altered.
*/
InitialRegion = MmFindRegion(BaseAddress, RegionListHead, StartAddress,
&InitialBaseAddress);
if (((char*)StartAddress + Length) >
((char*)InitialBaseAddress + InitialRegion->Length))
{
RemainingLength = ((char*)StartAddress + Length) -
((char*)InitialBaseAddress + InitialRegion->Length);
}
else
{
2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/i386/page.c (MmSetPageProtect): Fixed behaviour when called on the system address space. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/virtual.c (MmQueryAnonMem, MmProtectAnonMem, NtAllocateVirtualMemory, NtFreeVirtualMemory): Renamed segments to regions; moved region code to seperate file. Implemented NtQueryVirtualMemory and NtProtectVirtualMemory for anonymous memory areas. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/anonmem.c: Moved functions relating to areas created with NtAllocateVirtualMemory to a seperate file. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/section.c (MmQuerySectionView): Implemented NtQueryVirtualMemory for section views. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/section.c (MmAccessFaultSectionView, MmNotPresentFaultSectionView, MmProtectSectionView, MmMapViewOfSegment, MmAlterViewAttributes): Implemented NtProtectVirtualMemory for section views. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/ke/main.c: Removed SEH test code. 2002-08-10 David Welch <welch@computer2.darkstar.org> * lib/ntdll/ldr/utils.c (LdrFixupImports): Remove the readonly protection from the IAT before writing to it. 2002-08-10 David Welch <welch@computer2.darkstar.org> * lib/ntdll/ldr/utils.c (LdrAdjustDllName): Properly null terminate the base name of the DLL. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/ldr/loader.c (LdrPEProcessModule): Set the text segment of modules to readonly after loading. svn path=/trunk/; revision=3327
2002-08-10 16:41:20 +00:00
RemainingLength = 0;
}
/*
* If necessary then split the region into the affected and unaffected parts.
*/
if (InitialRegion->Type != NewType || InitialRegion->Protect != NewProtect)
{
NewRegion = MmSplitRegion(InitialRegion, InitialBaseAddress,
StartAddress, Length, NewType, NewProtect,
AddressSpace, AlterFunc);
2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/i386/page.c (MmSetPageProtect): Fixed behaviour when called on the system address space. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/virtual.c (MmQueryAnonMem, MmProtectAnonMem, NtAllocateVirtualMemory, NtFreeVirtualMemory): Renamed segments to regions; moved region code to seperate file. Implemented NtQueryVirtualMemory and NtProtectVirtualMemory for anonymous memory areas. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/anonmem.c: Moved functions relating to areas created with NtAllocateVirtualMemory to a seperate file. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/section.c (MmQuerySectionView): Implemented NtQueryVirtualMemory for section views. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/section.c (MmAccessFaultSectionView, MmNotPresentFaultSectionView, MmProtectSectionView, MmMapViewOfSegment, MmAlterViewAttributes): Implemented NtProtectVirtualMemory for section views. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/ke/main.c: Removed SEH test code. 2002-08-10 David Welch <welch@computer2.darkstar.org> * lib/ntdll/ldr/utils.c (LdrFixupImports): Remove the readonly protection from the IAT before writing to it. 2002-08-10 David Welch <welch@computer2.darkstar.org> * lib/ntdll/ldr/utils.c (LdrAdjustDllName): Properly null terminate the base name of the DLL. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/ldr/loader.c (LdrPEProcessModule): Set the text segment of modules to readonly after loading. svn path=/trunk/; revision=3327
2002-08-10 16:41:20 +00:00
if (NewRegion == NULL)
{
return(STATUS_NO_MEMORY);
}
}
else
{
2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/i386/page.c (MmSetPageProtect): Fixed behaviour when called on the system address space. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/virtual.c (MmQueryAnonMem, MmProtectAnonMem, NtAllocateVirtualMemory, NtFreeVirtualMemory): Renamed segments to regions; moved region code to seperate file. Implemented NtQueryVirtualMemory and NtProtectVirtualMemory for anonymous memory areas. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/anonmem.c: Moved functions relating to areas created with NtAllocateVirtualMemory to a seperate file. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/section.c (MmQuerySectionView): Implemented NtQueryVirtualMemory for section views. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/section.c (MmAccessFaultSectionView, MmNotPresentFaultSectionView, MmProtectSectionView, MmMapViewOfSegment, MmAlterViewAttributes): Implemented NtProtectVirtualMemory for section views. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/ke/main.c: Removed SEH test code. 2002-08-10 David Welch <welch@computer2.darkstar.org> * lib/ntdll/ldr/utils.c (LdrFixupImports): Remove the readonly protection from the IAT before writing to it. 2002-08-10 David Welch <welch@computer2.darkstar.org> * lib/ntdll/ldr/utils.c (LdrAdjustDllName): Properly null terminate the base name of the DLL. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/ldr/loader.c (LdrPEProcessModule): Set the text segment of modules to readonly after loading. svn path=/trunk/; revision=3327
2002-08-10 16:41:20 +00:00
NewRegion = InitialRegion;
}
/*
* Free any complete regions that are containing in the range of addresses
* and call the helper function to actually do the changes.
*/
CurrentEntry = NewRegion->RegionListEntry.Flink;
CurrentRegion = CONTAINING_RECORD(CurrentEntry, MM_REGION,
RegionListEntry);
CurrentBaseAddress = (char*)StartAddress + NewRegion->Length;
while (RemainingLength > 0 && CurrentRegion->Length <= RemainingLength &&
CurrentEntry != RegionListHead)
{
2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/i386/page.c (MmSetPageProtect): Fixed behaviour when called on the system address space. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/virtual.c (MmQueryAnonMem, MmProtectAnonMem, NtAllocateVirtualMemory, NtFreeVirtualMemory): Renamed segments to regions; moved region code to seperate file. Implemented NtQueryVirtualMemory and NtProtectVirtualMemory for anonymous memory areas. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/anonmem.c: Moved functions relating to areas created with NtAllocateVirtualMemory to a seperate file. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/section.c (MmQuerySectionView): Implemented NtQueryVirtualMemory for section views. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/section.c (MmAccessFaultSectionView, MmNotPresentFaultSectionView, MmProtectSectionView, MmMapViewOfSegment, MmAlterViewAttributes): Implemented NtProtectVirtualMemory for section views. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/ke/main.c: Removed SEH test code. 2002-08-10 David Welch <welch@computer2.darkstar.org> * lib/ntdll/ldr/utils.c (LdrFixupImports): Remove the readonly protection from the IAT before writing to it. 2002-08-10 David Welch <welch@computer2.darkstar.org> * lib/ntdll/ldr/utils.c (LdrAdjustDllName): Properly null terminate the base name of the DLL. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/ldr/loader.c (LdrPEProcessModule): Set the text segment of modules to readonly after loading. svn path=/trunk/; revision=3327
2002-08-10 16:41:20 +00:00
if (CurrentRegion->Type != NewType &&
CurrentRegion->Protect != NewProtect)
{
AlterFunc(AddressSpace, CurrentBaseAddress, CurrentRegion->Length,
CurrentRegion->Type, CurrentRegion->Protect,
NewType, NewProtect);
}
CurrentBaseAddress = (PVOID)((ULONG_PTR)CurrentBaseAddress + CurrentRegion->Length);
2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/i386/page.c (MmSetPageProtect): Fixed behaviour when called on the system address space. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/virtual.c (MmQueryAnonMem, MmProtectAnonMem, NtAllocateVirtualMemory, NtFreeVirtualMemory): Renamed segments to regions; moved region code to seperate file. Implemented NtQueryVirtualMemory and NtProtectVirtualMemory for anonymous memory areas. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/anonmem.c: Moved functions relating to areas created with NtAllocateVirtualMemory to a seperate file. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/section.c (MmQuerySectionView): Implemented NtQueryVirtualMemory for section views. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/section.c (MmAccessFaultSectionView, MmNotPresentFaultSectionView, MmProtectSectionView, MmMapViewOfSegment, MmAlterViewAttributes): Implemented NtProtectVirtualMemory for section views. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/ke/main.c: Removed SEH test code. 2002-08-10 David Welch <welch@computer2.darkstar.org> * lib/ntdll/ldr/utils.c (LdrFixupImports): Remove the readonly protection from the IAT before writing to it. 2002-08-10 David Welch <welch@computer2.darkstar.org> * lib/ntdll/ldr/utils.c (LdrAdjustDllName): Properly null terminate the base name of the DLL. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/ldr/loader.c (LdrPEProcessModule): Set the text segment of modules to readonly after loading. svn path=/trunk/; revision=3327
2002-08-10 16:41:20 +00:00
NewRegion->Length += CurrentRegion->Length;
RemainingLength -= CurrentRegion->Length;
CurrentEntry = CurrentEntry->Flink;
2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/i386/page.c (MmSetPageProtect): Fixed behaviour when called on the system address space. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/virtual.c (MmQueryAnonMem, MmProtectAnonMem, NtAllocateVirtualMemory, NtFreeVirtualMemory): Renamed segments to regions; moved region code to seperate file. Implemented NtQueryVirtualMemory and NtProtectVirtualMemory for anonymous memory areas. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/anonmem.c: Moved functions relating to areas created with NtAllocateVirtualMemory to a seperate file. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/section.c (MmQuerySectionView): Implemented NtQueryVirtualMemory for section views. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/section.c (MmAccessFaultSectionView, MmNotPresentFaultSectionView, MmProtectSectionView, MmMapViewOfSegment, MmAlterViewAttributes): Implemented NtProtectVirtualMemory for section views. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/ke/main.c: Removed SEH test code. 2002-08-10 David Welch <welch@computer2.darkstar.org> * lib/ntdll/ldr/utils.c (LdrFixupImports): Remove the readonly protection from the IAT before writing to it. 2002-08-10 David Welch <welch@computer2.darkstar.org> * lib/ntdll/ldr/utils.c (LdrAdjustDllName): Properly null terminate the base name of the DLL. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/ldr/loader.c (LdrPEProcessModule): Set the text segment of modules to readonly after loading. svn path=/trunk/; revision=3327
2002-08-10 16:41:20 +00:00
RemoveEntryList(&CurrentRegion->RegionListEntry);
ExFreePool(CurrentRegion);
CurrentRegion = CONTAINING_RECORD(CurrentEntry, MM_REGION,
RegionListEntry);
}
/*
* Split any final region.
*/
if (RemainingLength > 0 && CurrentEntry != RegionListHead)
{
CurrentRegion = CONTAINING_RECORD(CurrentEntry, MM_REGION,
RegionListEntry);
2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/i386/page.c (MmSetPageProtect): Fixed behaviour when called on the system address space. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/virtual.c (MmQueryAnonMem, MmProtectAnonMem, NtAllocateVirtualMemory, NtFreeVirtualMemory): Renamed segments to regions; moved region code to seperate file. Implemented NtQueryVirtualMemory and NtProtectVirtualMemory for anonymous memory areas. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/anonmem.c: Moved functions relating to areas created with NtAllocateVirtualMemory to a seperate file. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/section.c (MmQuerySectionView): Implemented NtQueryVirtualMemory for section views. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/section.c (MmAccessFaultSectionView, MmNotPresentFaultSectionView, MmProtectSectionView, MmMapViewOfSegment, MmAlterViewAttributes): Implemented NtProtectVirtualMemory for section views. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/ke/main.c: Removed SEH test code. 2002-08-10 David Welch <welch@computer2.darkstar.org> * lib/ntdll/ldr/utils.c (LdrFixupImports): Remove the readonly protection from the IAT before writing to it. 2002-08-10 David Welch <welch@computer2.darkstar.org> * lib/ntdll/ldr/utils.c (LdrAdjustDllName): Properly null terminate the base name of the DLL. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/ldr/loader.c (LdrPEProcessModule): Set the text segment of modules to readonly after loading. svn path=/trunk/; revision=3327
2002-08-10 16:41:20 +00:00
if (CurrentRegion->Type != NewType &&
CurrentRegion->Protect != NewProtect)
{
AlterFunc(AddressSpace, CurrentBaseAddress, CurrentRegion->Length,
CurrentRegion->Type, CurrentRegion->Protect,
NewType, NewProtect);
}
2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/i386/page.c (MmSetPageProtect): Fixed behaviour when called on the system address space. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/virtual.c (MmQueryAnonMem, MmProtectAnonMem, NtAllocateVirtualMemory, NtFreeVirtualMemory): Renamed segments to regions; moved region code to seperate file. Implemented NtQueryVirtualMemory and NtProtectVirtualMemory for anonymous memory areas. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/anonmem.c: Moved functions relating to areas created with NtAllocateVirtualMemory to a seperate file. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/section.c (MmQuerySectionView): Implemented NtQueryVirtualMemory for section views. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/section.c (MmAccessFaultSectionView, MmNotPresentFaultSectionView, MmProtectSectionView, MmMapViewOfSegment, MmAlterViewAttributes): Implemented NtProtectVirtualMemory for section views. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/ke/main.c: Removed SEH test code. 2002-08-10 David Welch <welch@computer2.darkstar.org> * lib/ntdll/ldr/utils.c (LdrFixupImports): Remove the readonly protection from the IAT before writing to it. 2002-08-10 David Welch <welch@computer2.darkstar.org> * lib/ntdll/ldr/utils.c (LdrAdjustDllName): Properly null terminate the base name of the DLL. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/ldr/loader.c (LdrPEProcessModule): Set the text segment of modules to readonly after loading. svn path=/trunk/; revision=3327
2002-08-10 16:41:20 +00:00
NewRegion->Length += RemainingLength;
CurrentRegion->Length -= RemainingLength;
}
2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/i386/page.c (MmSetPageProtect): Fixed behaviour when called on the system address space. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/virtual.c (MmQueryAnonMem, MmProtectAnonMem, NtAllocateVirtualMemory, NtFreeVirtualMemory): Renamed segments to regions; moved region code to seperate file. Implemented NtQueryVirtualMemory and NtProtectVirtualMemory for anonymous memory areas. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/anonmem.c: Moved functions relating to areas created with NtAllocateVirtualMemory to a seperate file. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/section.c (MmQuerySectionView): Implemented NtQueryVirtualMemory for section views. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/section.c (MmAccessFaultSectionView, MmNotPresentFaultSectionView, MmProtectSectionView, MmMapViewOfSegment, MmAlterViewAttributes): Implemented NtProtectVirtualMemory for section views. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/ke/main.c: Removed SEH test code. 2002-08-10 David Welch <welch@computer2.darkstar.org> * lib/ntdll/ldr/utils.c (LdrFixupImports): Remove the readonly protection from the IAT before writing to it. 2002-08-10 David Welch <welch@computer2.darkstar.org> * lib/ntdll/ldr/utils.c (LdrAdjustDllName): Properly null terminate the base name of the DLL. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/ldr/loader.c (LdrPEProcessModule): Set the text segment of modules to readonly after loading. svn path=/trunk/; revision=3327
2002-08-10 16:41:20 +00:00
/*
* If the region after the new region has the same type then merge them.
*/
if (NewRegion->RegionListEntry.Flink != RegionListHead)
{
2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/i386/page.c (MmSetPageProtect): Fixed behaviour when called on the system address space. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/virtual.c (MmQueryAnonMem, MmProtectAnonMem, NtAllocateVirtualMemory, NtFreeVirtualMemory): Renamed segments to regions; moved region code to seperate file. Implemented NtQueryVirtualMemory and NtProtectVirtualMemory for anonymous memory areas. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/anonmem.c: Moved functions relating to areas created with NtAllocateVirtualMemory to a seperate file. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/section.c (MmQuerySectionView): Implemented NtQueryVirtualMemory for section views. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/section.c (MmAccessFaultSectionView, MmNotPresentFaultSectionView, MmProtectSectionView, MmMapViewOfSegment, MmAlterViewAttributes): Implemented NtProtectVirtualMemory for section views. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/ke/main.c: Removed SEH test code. 2002-08-10 David Welch <welch@computer2.darkstar.org> * lib/ntdll/ldr/utils.c (LdrFixupImports): Remove the readonly protection from the IAT before writing to it. 2002-08-10 David Welch <welch@computer2.darkstar.org> * lib/ntdll/ldr/utils.c (LdrAdjustDllName): Properly null terminate the base name of the DLL. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/ldr/loader.c (LdrPEProcessModule): Set the text segment of modules to readonly after loading. svn path=/trunk/; revision=3327
2002-08-10 16:41:20 +00:00
CurrentEntry = NewRegion->RegionListEntry.Flink;
CurrentRegion = CONTAINING_RECORD(CurrentEntry, MM_REGION,
RegionListEntry);
2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/i386/page.c (MmSetPageProtect): Fixed behaviour when called on the system address space. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/virtual.c (MmQueryAnonMem, MmProtectAnonMem, NtAllocateVirtualMemory, NtFreeVirtualMemory): Renamed segments to regions; moved region code to seperate file. Implemented NtQueryVirtualMemory and NtProtectVirtualMemory for anonymous memory areas. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/anonmem.c: Moved functions relating to areas created with NtAllocateVirtualMemory to a seperate file. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/section.c (MmQuerySectionView): Implemented NtQueryVirtualMemory for section views. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/section.c (MmAccessFaultSectionView, MmNotPresentFaultSectionView, MmProtectSectionView, MmMapViewOfSegment, MmAlterViewAttributes): Implemented NtProtectVirtualMemory for section views. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/ke/main.c: Removed SEH test code. 2002-08-10 David Welch <welch@computer2.darkstar.org> * lib/ntdll/ldr/utils.c (LdrFixupImports): Remove the readonly protection from the IAT before writing to it. 2002-08-10 David Welch <welch@computer2.darkstar.org> * lib/ntdll/ldr/utils.c (LdrAdjustDllName): Properly null terminate the base name of the DLL. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/ldr/loader.c (LdrPEProcessModule): Set the text segment of modules to readonly after loading. svn path=/trunk/; revision=3327
2002-08-10 16:41:20 +00:00
if (CurrentRegion->Type == NewRegion->Type &&
CurrentRegion->Protect == NewRegion->Protect)
{
NewRegion->Length += CurrentRegion->Length;
RemoveEntryList(&CurrentRegion->RegionListEntry);
ExFreePool(CurrentRegion);
}
}
/*
* If the region before the new region has the same type then merge them.
*/
if (NewRegion->RegionListEntry.Blink != RegionListHead)
{
2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/i386/page.c (MmSetPageProtect): Fixed behaviour when called on the system address space. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/virtual.c (MmQueryAnonMem, MmProtectAnonMem, NtAllocateVirtualMemory, NtFreeVirtualMemory): Renamed segments to regions; moved region code to seperate file. Implemented NtQueryVirtualMemory and NtProtectVirtualMemory for anonymous memory areas. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/anonmem.c: Moved functions relating to areas created with NtAllocateVirtualMemory to a seperate file. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/section.c (MmQuerySectionView): Implemented NtQueryVirtualMemory for section views. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/section.c (MmAccessFaultSectionView, MmNotPresentFaultSectionView, MmProtectSectionView, MmMapViewOfSegment, MmAlterViewAttributes): Implemented NtProtectVirtualMemory for section views. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/ke/main.c: Removed SEH test code. 2002-08-10 David Welch <welch@computer2.darkstar.org> * lib/ntdll/ldr/utils.c (LdrFixupImports): Remove the readonly protection from the IAT before writing to it. 2002-08-10 David Welch <welch@computer2.darkstar.org> * lib/ntdll/ldr/utils.c (LdrAdjustDllName): Properly null terminate the base name of the DLL. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/ldr/loader.c (LdrPEProcessModule): Set the text segment of modules to readonly after loading. svn path=/trunk/; revision=3327
2002-08-10 16:41:20 +00:00
CurrentEntry = NewRegion->RegionListEntry.Blink;
CurrentRegion = CONTAINING_RECORD(CurrentEntry, MM_REGION,
RegionListEntry);
2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/i386/page.c (MmSetPageProtect): Fixed behaviour when called on the system address space. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/virtual.c (MmQueryAnonMem, MmProtectAnonMem, NtAllocateVirtualMemory, NtFreeVirtualMemory): Renamed segments to regions; moved region code to seperate file. Implemented NtQueryVirtualMemory and NtProtectVirtualMemory for anonymous memory areas. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/anonmem.c: Moved functions relating to areas created with NtAllocateVirtualMemory to a seperate file. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/section.c (MmQuerySectionView): Implemented NtQueryVirtualMemory for section views. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/section.c (MmAccessFaultSectionView, MmNotPresentFaultSectionView, MmProtectSectionView, MmMapViewOfSegment, MmAlterViewAttributes): Implemented NtProtectVirtualMemory for section views. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/ke/main.c: Removed SEH test code. 2002-08-10 David Welch <welch@computer2.darkstar.org> * lib/ntdll/ldr/utils.c (LdrFixupImports): Remove the readonly protection from the IAT before writing to it. 2002-08-10 David Welch <welch@computer2.darkstar.org> * lib/ntdll/ldr/utils.c (LdrAdjustDllName): Properly null terminate the base name of the DLL. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/ldr/loader.c (LdrPEProcessModule): Set the text segment of modules to readonly after loading. svn path=/trunk/; revision=3327
2002-08-10 16:41:20 +00:00
if (CurrentRegion->Type == NewRegion->Type &&
CurrentRegion->Protect == NewRegion->Protect)
{
NewRegion->Length += CurrentRegion->Length;
RemoveEntryList(&CurrentRegion->RegionListEntry);
ExFreePool(CurrentRegion);
}
}
return(STATUS_SUCCESS);
2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/i386/page.c (MmSetPageProtect): Fixed behaviour when called on the system address space. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/virtual.c (MmQueryAnonMem, MmProtectAnonMem, NtAllocateVirtualMemory, NtFreeVirtualMemory): Renamed segments to regions; moved region code to seperate file. Implemented NtQueryVirtualMemory and NtProtectVirtualMemory for anonymous memory areas. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/anonmem.c: Moved functions relating to areas created with NtAllocateVirtualMemory to a seperate file. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/section.c (MmQuerySectionView): Implemented NtQueryVirtualMemory for section views. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/section.c (MmAccessFaultSectionView, MmNotPresentFaultSectionView, MmProtectSectionView, MmMapViewOfSegment, MmAlterViewAttributes): Implemented NtProtectVirtualMemory for section views. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/ke/main.c: Removed SEH test code. 2002-08-10 David Welch <welch@computer2.darkstar.org> * lib/ntdll/ldr/utils.c (LdrFixupImports): Remove the readonly protection from the IAT before writing to it. 2002-08-10 David Welch <welch@computer2.darkstar.org> * lib/ntdll/ldr/utils.c (LdrAdjustDllName): Properly null terminate the base name of the DLL. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/ldr/loader.c (LdrPEProcessModule): Set the text segment of modules to readonly after loading. svn path=/trunk/; revision=3327
2002-08-10 16:41:20 +00:00
}
VOID
NTAPI
MmInitializeRegion(PLIST_ENTRY RegionListHead, SIZE_T Length, ULONG Type,
ULONG Protect)
2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/i386/page.c (MmSetPageProtect): Fixed behaviour when called on the system address space. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/virtual.c (MmQueryAnonMem, MmProtectAnonMem, NtAllocateVirtualMemory, NtFreeVirtualMemory): Renamed segments to regions; moved region code to seperate file. Implemented NtQueryVirtualMemory and NtProtectVirtualMemory for anonymous memory areas. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/anonmem.c: Moved functions relating to areas created with NtAllocateVirtualMemory to a seperate file. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/section.c (MmQuerySectionView): Implemented NtQueryVirtualMemory for section views. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/section.c (MmAccessFaultSectionView, MmNotPresentFaultSectionView, MmProtectSectionView, MmMapViewOfSegment, MmAlterViewAttributes): Implemented NtProtectVirtualMemory for section views. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/ke/main.c: Removed SEH test code. 2002-08-10 David Welch <welch@computer2.darkstar.org> * lib/ntdll/ldr/utils.c (LdrFixupImports): Remove the readonly protection from the IAT before writing to it. 2002-08-10 David Welch <welch@computer2.darkstar.org> * lib/ntdll/ldr/utils.c (LdrAdjustDllName): Properly null terminate the base name of the DLL. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/ldr/loader.c (LdrPEProcessModule): Set the text segment of modules to readonly after loading. svn path=/trunk/; revision=3327
2002-08-10 16:41:20 +00:00
{
PMM_REGION Region;
Region = ExAllocatePoolWithTag(NonPagedPool, sizeof(MM_REGION),
TAG_MM_REGION);
if (!Region) return;
Region->Type = Type;
Region->Protect = Protect;
Region->Length = Length;
InitializeListHead(RegionListHead);
InsertHeadList(RegionListHead, &Region->RegionListEntry);
2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/i386/page.c (MmSetPageProtect): Fixed behaviour when called on the system address space. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/virtual.c (MmQueryAnonMem, MmProtectAnonMem, NtAllocateVirtualMemory, NtFreeVirtualMemory): Renamed segments to regions; moved region code to seperate file. Implemented NtQueryVirtualMemory and NtProtectVirtualMemory for anonymous memory areas. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/anonmem.c: Moved functions relating to areas created with NtAllocateVirtualMemory to a seperate file. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/section.c (MmQuerySectionView): Implemented NtQueryVirtualMemory for section views. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/section.c (MmAccessFaultSectionView, MmNotPresentFaultSectionView, MmProtectSectionView, MmMapViewOfSegment, MmAlterViewAttributes): Implemented NtProtectVirtualMemory for section views. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/ke/main.c: Removed SEH test code. 2002-08-10 David Welch <welch@computer2.darkstar.org> * lib/ntdll/ldr/utils.c (LdrFixupImports): Remove the readonly protection from the IAT before writing to it. 2002-08-10 David Welch <welch@computer2.darkstar.org> * lib/ntdll/ldr/utils.c (LdrAdjustDllName): Properly null terminate the base name of the DLL. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/ldr/loader.c (LdrPEProcessModule): Set the text segment of modules to readonly after loading. svn path=/trunk/; revision=3327
2002-08-10 16:41:20 +00:00
}
PMM_REGION
NTAPI
2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/i386/page.c (MmSetPageProtect): Fixed behaviour when called on the system address space. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/virtual.c (MmQueryAnonMem, MmProtectAnonMem, NtAllocateVirtualMemory, NtFreeVirtualMemory): Renamed segments to regions; moved region code to seperate file. Implemented NtQueryVirtualMemory and NtProtectVirtualMemory for anonymous memory areas. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/anonmem.c: Moved functions relating to areas created with NtAllocateVirtualMemory to a seperate file. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/section.c (MmQuerySectionView): Implemented NtQueryVirtualMemory for section views. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/section.c (MmAccessFaultSectionView, MmNotPresentFaultSectionView, MmProtectSectionView, MmMapViewOfSegment, MmAlterViewAttributes): Implemented NtProtectVirtualMemory for section views. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/ke/main.c: Removed SEH test code. 2002-08-10 David Welch <welch@computer2.darkstar.org> * lib/ntdll/ldr/utils.c (LdrFixupImports): Remove the readonly protection from the IAT before writing to it. 2002-08-10 David Welch <welch@computer2.darkstar.org> * lib/ntdll/ldr/utils.c (LdrAdjustDllName): Properly null terminate the base name of the DLL. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/ldr/loader.c (LdrPEProcessModule): Set the text segment of modules to readonly after loading. svn path=/trunk/; revision=3327
2002-08-10 16:41:20 +00:00
MmFindRegion(PVOID BaseAddress, PLIST_ENTRY RegionListHead, PVOID Address,
PVOID* RegionBaseAddress)
2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/i386/page.c (MmSetPageProtect): Fixed behaviour when called on the system address space. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/virtual.c (MmQueryAnonMem, MmProtectAnonMem, NtAllocateVirtualMemory, NtFreeVirtualMemory): Renamed segments to regions; moved region code to seperate file. Implemented NtQueryVirtualMemory and NtProtectVirtualMemory for anonymous memory areas. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/anonmem.c: Moved functions relating to areas created with NtAllocateVirtualMemory to a seperate file. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/section.c (MmQuerySectionView): Implemented NtQueryVirtualMemory for section views. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/section.c (MmAccessFaultSectionView, MmNotPresentFaultSectionView, MmProtectSectionView, MmMapViewOfSegment, MmAlterViewAttributes): Implemented NtProtectVirtualMemory for section views. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/ke/main.c: Removed SEH test code. 2002-08-10 David Welch <welch@computer2.darkstar.org> * lib/ntdll/ldr/utils.c (LdrFixupImports): Remove the readonly protection from the IAT before writing to it. 2002-08-10 David Welch <welch@computer2.darkstar.org> * lib/ntdll/ldr/utils.c (LdrAdjustDllName): Properly null terminate the base name of the DLL. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/ldr/loader.c (LdrPEProcessModule): Set the text segment of modules to readonly after loading. svn path=/trunk/; revision=3327
2002-08-10 16:41:20 +00:00
{
PLIST_ENTRY current_entry;
PMM_REGION current;
PVOID StartAddress = BaseAddress;
current_entry = RegionListHead->Flink;
while (current_entry != RegionListHead)
{
2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/i386/page.c (MmSetPageProtect): Fixed behaviour when called on the system address space. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/virtual.c (MmQueryAnonMem, MmProtectAnonMem, NtAllocateVirtualMemory, NtFreeVirtualMemory): Renamed segments to regions; moved region code to seperate file. Implemented NtQueryVirtualMemory and NtProtectVirtualMemory for anonymous memory areas. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/anonmem.c: Moved functions relating to areas created with NtAllocateVirtualMemory to a seperate file. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/section.c (MmQuerySectionView): Implemented NtQueryVirtualMemory for section views. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/section.c (MmAccessFaultSectionView, MmNotPresentFaultSectionView, MmProtectSectionView, MmMapViewOfSegment, MmAlterViewAttributes): Implemented NtProtectVirtualMemory for section views. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/ke/main.c: Removed SEH test code. 2002-08-10 David Welch <welch@computer2.darkstar.org> * lib/ntdll/ldr/utils.c (LdrFixupImports): Remove the readonly protection from the IAT before writing to it. 2002-08-10 David Welch <welch@computer2.darkstar.org> * lib/ntdll/ldr/utils.c (LdrAdjustDllName): Properly null terminate the base name of the DLL. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/ldr/loader.c (LdrPEProcessModule): Set the text segment of modules to readonly after loading. svn path=/trunk/; revision=3327
2002-08-10 16:41:20 +00:00
current = CONTAINING_RECORD(current_entry, MM_REGION, RegionListEntry);
if (StartAddress <= Address &&
((char*)StartAddress + current->Length) > (char*)Address)
{
if (RegionBaseAddress != NULL)
{
*RegionBaseAddress = StartAddress;
}
return(current);
}
2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/i386/page.c (MmSetPageProtect): Fixed behaviour when called on the system address space. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/virtual.c (MmQueryAnonMem, MmProtectAnonMem, NtAllocateVirtualMemory, NtFreeVirtualMemory): Renamed segments to regions; moved region code to seperate file. Implemented NtQueryVirtualMemory and NtProtectVirtualMemory for anonymous memory areas. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/anonmem.c: Moved functions relating to areas created with NtAllocateVirtualMemory to a seperate file. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/section.c (MmQuerySectionView): Implemented NtQueryVirtualMemory for section views. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/section.c (MmAccessFaultSectionView, MmNotPresentFaultSectionView, MmProtectSectionView, MmMapViewOfSegment, MmAlterViewAttributes): Implemented NtProtectVirtualMemory for section views. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/ke/main.c: Removed SEH test code. 2002-08-10 David Welch <welch@computer2.darkstar.org> * lib/ntdll/ldr/utils.c (LdrFixupImports): Remove the readonly protection from the IAT before writing to it. 2002-08-10 David Welch <welch@computer2.darkstar.org> * lib/ntdll/ldr/utils.c (LdrAdjustDllName): Properly null terminate the base name of the DLL. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/ldr/loader.c (LdrPEProcessModule): Set the text segment of modules to readonly after loading. svn path=/trunk/; revision=3327
2002-08-10 16:41:20 +00:00
current_entry = current_entry->Flink;
StartAddress = (PVOID)((ULONG_PTR)StartAddress + current->Length);
}
return(NULL);
2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/i386/page.c (MmSetPageProtect): Fixed behaviour when called on the system address space. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/virtual.c (MmQueryAnonMem, MmProtectAnonMem, NtAllocateVirtualMemory, NtFreeVirtualMemory): Renamed segments to regions; moved region code to seperate file. Implemented NtQueryVirtualMemory and NtProtectVirtualMemory for anonymous memory areas. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/anonmem.c: Moved functions relating to areas created with NtAllocateVirtualMemory to a seperate file. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/section.c (MmQuerySectionView): Implemented NtQueryVirtualMemory for section views. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/mm/section.c (MmAccessFaultSectionView, MmNotPresentFaultSectionView, MmProtectSectionView, MmMapViewOfSegment, MmAlterViewAttributes): Implemented NtProtectVirtualMemory for section views. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/ke/main.c: Removed SEH test code. 2002-08-10 David Welch <welch@computer2.darkstar.org> * lib/ntdll/ldr/utils.c (LdrFixupImports): Remove the readonly protection from the IAT before writing to it. 2002-08-10 David Welch <welch@computer2.darkstar.org> * lib/ntdll/ldr/utils.c (LdrAdjustDllName): Properly null terminate the base name of the DLL. 2002-08-10 David Welch <welch@computer2.darkstar.org> * ntoskrnl/ldr/loader.c (LdrPEProcessModule): Set the text segment of modules to readonly after loading. svn path=/trunk/; revision=3327
2002-08-10 16:41:20 +00:00
}