reactos/ntoskrnl/ldr/userldr.c

   1 /* $Id:$
   2  *
   3  * COPYRIGHT:       See COPYING in the top level directory
   4  * PROJECT:         ReactOS kernel
   5  * FILE:            ntoskrnl/ldr/userldr.c
   6  * PURPOSE:         Loaders for PE executables
   7  *
   8  * PROGRAMMERS:     Jean Michault
   9  *                  Rex Jolliff (rex@lvcablemodem.com)
  10  */
  11
  12 /* INCLUDES *****************************************************************/
  13
  14 #include <ntoskrnl.h>
  15 #define NDEBUG
  16 #include <internal/debug.h>
  17
  18
  19 /* FUNCTIONS *****************************************************************/
  20
  21 NTSTATUS LdrpMapImage(HANDLE ProcessHandle,
  22                       HANDLE SectionHandle,
  23                       PVOID* ReturnedImageBase)
  24 /*
  25  * FUNCTION: LdrpMapImage maps a user-mode image into an address space
  26  * PARAMETERS:
  27  *   ProcessHandle
  28  *              Points to the process to map the image into
  29  *
  30  *   SectionHandle
  31  *              Points to the section to map
  32  *
  33  * RETURNS: Status
  34  */
  35 {
  36   ULONG ViewSize;
  37   PVOID ImageBase;
  38   NTSTATUS Status;
  39
  40   ViewSize = 0;
  41   ImageBase = 0;
  42
  43   Status = ZwMapViewOfSection(SectionHandle,
  44                               ProcessHandle,
  45                               (PVOID*)&ImageBase,
  46                               0,
  47                               ViewSize,
  48                               NULL,
  49                               &ViewSize,
  50                               0,
  51                               MEM_COMMIT,
  52                               PAGE_READWRITE);
  53   if (!NT_SUCCESS(Status))
  54     {
  55       CPRINT("Image map view of section failed (Status %x)", Status);
  56       return(Status);
  57     }
  58
  59    *ReturnedImageBase = ImageBase;
  60
  61    return(STATUS_SUCCESS);
  62 }