Re: [Dev-C++] Place Objects in memory section

[Wolf P. <pe...@re...>]

Hi,
you can place Objects into given memory space using the "new placement 
syntax" (google-ready).
You have simply to add the following "method" to a class (or struct):

class Placeable {
  public:
  //...
      void* operator new( size_t, void* buf ) { return buf; }
  //...
};

this "method" is the overriden new-operator with placement semantics.
For instantiation you have to write:

extern void* address; // your memory section

Placeable* placed = new (address) YourStruct(/*constructor arguments if 
any*/); // constructor with arguments
Placeable* placed = new (address) YourStruct; // constructor without 
arguments

note you must not use the delete-operator on the object created by 
overriden new.
for clenup (if needed) you have to define a destructor that you call 
explicitly:
placed->Placeable::~Placeable();

Good luck,
Wolf Peuker

Ruchika Singh schrieb:

>Hi:
>
>I am fairly new to C++. I have in my ld script defined a memory section,
>".my_mem_section". How can I force one of my global C++ object to be allocated
>memory in this section when instantiated?? 
>
>Thanks in advance
>-R.
>
>
>
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