枚举内存状况

最新推荐文章于 2024-12-03 10:51:33 发布

原创最新推荐文章于 2024-12-03 10:51:33 发布 · 634 阅读

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#basic #image #system #null

#define SALFDELETE(pValue) /
if (pValue) /
delete[] pValue; /
pValue = NULL;

struct stuMemInfo
{
void    *pAllocAddr;
wchar_t *pPageInitProtect;
DWORD    dwReginSize;
DWORD    dwState;
wchar_t *pStateInfo;
wchar_t *pPageProect;
wchar_t *pPageType;

};

void PageProtectToString(DWORD dwProtect, wchar_t *pContent)
{
if (!pContent)
{
return;
}

  switch (dwProtect)
  {
   case PAGE_EXECUTE:
    {
     wsprintfW(pContent, L"E---");

     break;
    }
   case PAGE_EXECUTE_READ:
    {
     wsprintfW(pContent, L"ER--");

     break;
    }
   case PAGE_EXECUTE_READWRITE:
    {
     wsprintfW(pContent, L"ERW-");

     break;
    }
   case PAGE_EXECUTE_WRITECOPY:
    {
     wsprintfW(pContent, L"ERWC");

     break;
    }
   case PAGE_NOACCESS:
    {
     wsprintfW(pContent, L"----");

     break;
    }
   case PAGE_READONLY:
    {
     wsprintfW(pContent, L"-R--");

     break;
    }
   case PAGE_READWRITE:
    {
     wsprintfW(pContent, L"-RW-");

     break;
    }
   case PAGE_WRITECOPY:
    {
     wsprintfW(pContent, L"---C");

     break;
    }
   case PAGE_GUARD:
    {
     wsprintfW(pContent, L"page guard");

     break;
    }
   case PAGE_NOCACHE:
    {
     wsprintfW(pContent, L"page no catch");

     break;
    }
  }
}

int _tmain(int argc, _TCHAR* argv[])
{
SYSTEM_INFO mySysInfo;
memset(&mySysInfo, 0, sizeof(SYSTEM_INFO));
GetSystemInfo(&mySysInfo);
DWORD pageSize = mySysInfo.dwAllocationGranularity;

BYTE *pBasicAddr = NULL;
MEMORY_BASIC_INFORMATION memBasicInfo;

setlocale(LC_CTYPE, "");
wchar_t *pMemInfo = new wchar_t[512];
memset(pMemInfo, 0, sizeof(512));
stuMemInfo memInfo;
memset(&memInfo, 0, sizeof(stuMemInfo));

memInfo.pStateInfo = new wchar_t[50];
memInfo.pPageInitProtect = new wchar_t[20];
memInfo.pPageProect = new wchar_t[50];
memInfo.pPageType = new wchar_t[50];

do
{
  memset(&memBasicInfo, 0, sizeof(memBasicInfo));
  if ( VirtualQuery(pBasicAddr, &memBasicInfo, sizeof(MEMORY_BASIC_INFORMATION)) == NULL)
  {
   break;
  }

  if (memBasicInfo.State == MEM_FREE)
  {
   wprintf(L"the addr %p is MEM_FREE /r/n", pBasicAddr);
   pBasicAddr += memBasicInfo.RegionSize;
   continue;
  }

memInfo.dwState = memBasicInfo.State;

  switch (memBasicInfo.State)
  {
  case MEM_COMMIT:
   {
    wsprintfW(memInfo.pStateInfo, L"memory state is MEM_COMMIT");

    break;
   }
  case MEM_RESERVE:
   {
    wsprintfW(memInfo.pStateInfo, L"memory state is MEM_RESERVE");

    break;
   }
  }

PageProtectToString(memBasicInfo.AllocationProtect, memInfo.pPageInitProtect);

memInfo.dwReginSize = (DWORD) memBasicInfo.RegionSize;

  if (memBasicInfo.State != MEM_RESERVE)
  {
   PageProtectToString(memBasicInfo.Protect, memInfo.pPageProect);
  }
  else
  {
   wcscpy(memInfo.pPageProect, L"MEM_RESERVE");
  }

  switch (memBasicInfo.Type)
  {
  case MEM_IMAGE:
   {
    wsprintfW(memInfo.pPageType, L"MEM_IMAGE");

    break;
   }
  case MEM_MAPPED:
   {
    wsprintfW(memInfo.pPageType, L"MEM_MAPPED");

    break;
   }
  case MEM_PRIVATE:
   {
    wsprintfW(memInfo.pPageType, L"MEM_PRIVATE");

break;
}

}

memInfo.pAllocAddr = memBasicInfo.AllocationBase;

  wprintf(L"the BaseAddress is %p, AllocationBase is %p, PageState is %s,/
    InitProtect is %s, current Protect is %s, type is %s, /
    page number is %d /r/n",
    pBasicAddr, memInfo.pAllocAddr, memInfo.pStateInfo,
    memInfo.pPageInitProtect, memInfo.pPageProect,
    memInfo.pPageType, memInfo.dwReginSize);

pBasicAddr += memInfo.dwReginSize;

} while (1);

SALFDELETE(memInfo.pPageType);
SALFDELETE(memInfo.pPageProect);
SALFDELETE(memInfo.pPageInitProtect);
SALFDELETE(memInfo.pStateInfo);

getchar();

return 0;
}