[LLVMdev] Function pointers

[anders.alexandersson at student.htu.se]

Yes! :-)

What would I do without you folks?!

I am the one trying to build a Ruby compiler prototype, so be prepared for
more questions...:)

Thanks again!
Anders

----- Original Message ----- 
From: "Chris Lattner" <sabre at nondot.org>
To: <llvmdev at cs.uiuc.edu>
Sent: Wednesday, March 31, 2004 5:49 PM
Subject: Re: [LLVMdev] Function pointers


On Wed, 31 Mar 2004, Anders Alexandersson wrote:

> Hello out there!
>
> I am trying to build a table of 2 function poiters by using an array:
>
> %kernel = alloca [ 2 x int ()* ]
>
> I try to access the first pointer to be able to store location of my first
function like this:
>
> %function_pointer_1 = getelementptr [2 x int ()* ]* %kernel, long 0, long
0
>
> store int ()* %function_1, int ()* %function_pointer_1

You just need an extra * here:      ^

You're storing a pointer through a pointer to pointers... :)

-Chris

>
> But, I get the error message from llvm-asm:
> llvm-as: 1.ll:40: Can't store 'int () *' into space of type 'int ()'!
>
> What is my mistake?
>
> Grateful for hints
> Anders
>
> ----------------------------------------------------------------
> Anders Alexandersson
> Masters student at the special year of Software Engineering, HTU
Trollhättan
> E-mail: anders.alexandersson at student.htu.se
>
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> LLVMdev at cs.uiuc.edu         http://llvm.cs.uiuc.edu
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>

-Chris

-- 
http://llvm.cs.uiuc.edu/
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