src/depends/image.c

   1 #include <windows.h>
   2 #include <stdio.h>
   3 #include "image.h"
   4
   5 PIMAGE_SECTION_HEADER GetSection(LOADED_IMAGE Image, DWORD RVA)
   6 {
   7         DWORD i;
   8         PIMAGE_SECTION_HEADER pSection;
   9
  10         for (i = 0, pSection = Image.Sections; i < Image.NumberOfSections; i++, pSection++)
  11         {
  12                 if (RVA >= pSection->VirtualAddress &&
  13                         RVA < pSection->VirtualAddress + pSection->Misc.VirtualSize)
  14                 {
  15                         return pSection;
  16                 }
  17         }
  18         return NULL;
  19 }
  20
  21 BYTE *GetAddressFromRVA(LOADED_IMAGE Image, DWORD RVA)
  22 {
  23         int delta;
  24         PIMAGE_SECTION_HEADER pSection;
  25
  26         if (!(pSection = GetSection(Image, RVA))) return NULL;
  27         delta = (int)(pSection->VirtualAddress - pSection->PointerToRawData);
  28         return (BYTE *)Image.MappedAddress + RVA - delta;
  29 }
  30