How can display memory dump?

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How display memory dump starting from a certain address?
IE i enter the address and display dump starting that address. Its possible?

Posted 15-May-14 20:10pm

Viacheslav Kukhta

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Sergey Alexandrovich Kryukov 16-May-14 2:27am

As soon this is the address in your process's memory space, there is not problem at all. With Windows, you get a flat address space, but it does not mean it is continuous in physical memory. So, what's the problem? What have you tried so far?
—SA

Viacheslav Kukhta 16-May-14 2:59am

Oh sorry for my english :)
Need only virtual address space current process. How can i display dump? What functions can i use?

Sergey Alexandrovich Kryukov 16-May-14 10:31am

Isn't the answer by C Pallini enough?
—SA

Code-o-mat 16-May-14 8:00am

Do you mean you have a memory dump created with MiniDumpWriteDump as suggested to you in your other, earlier post where you asked how you could dump all process memory?

Viacheslav Kukhta 16-May-14 8:31am

When reading the minidump is having problems and I need to dump out the ListBox

Sergey Alexandrovich Kryukov 16-May-14 10:31am

What is that supposed to mean? ListBox is not just one object in memory. Brutal-force dumping of the memory won't give you much. If you want to how the list item, this is not dumping...
—SA

Code-o-mat 16-May-14 12:08pm

As Sergey pointed out, it's really not clear what you want to do. If you want to write the item strings you see in a listbox to a file then look up in google how you can access item strings in your listbox (e.g. start here: http://msdn.microsoft.com/en-us/library/y04ez4c9.aspx), write a simple loop that iterates the items and writes them to a file. If you don't know how to write to a file or can't figure out how to iterate the items, you need to make a step or two backwards and learn the basics before trying something more complex. We here are willing to help you but you need to ask the right questions to get useful answers, otherwise we won't be able to aid you.

Viacheslav Kukhta 16-May-14 12:19pm

I want read memory dump and display it in ListBox
e.g. ReadProcessMemory()
SendDlgItemMessage()

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CPallini · Answer 1 · 2014-05-15T21:42:00

Solution 1

As Sergey pointed out, dumping the memory directly accessible by the process is really simple, e.g.

C++

#include <cstdio>
using namespace std;

int main()
{
  int a[] = {1,2,3,4,5,6,7,8,9,10};

  unsigned char *p;

  p = (unsigned char *)&a[3];

  printf("%p", p);

  for (int n=0; n<8; ++n)
  {
    printf(" %02X", *p);
    ++p;
  }
  printf("\n");
}

Posted 15-May-14 21:42pm

CPallini

Comments

Viacheslav Kukhta 16-May-14 9:07am

and if I already have the address of the dump?

CPallini 16-May-14 9:09am

Set the pointer with such address.

Sergey Alexandrovich Kryukov 16-May-14 10:29am

5ed.
—SA