[LLVMdev] Modifying machine code after it's generated with LLVM

[Dirkjan Bussink]

On Apr 12, 2013, at 15:14 , "Caldarale, Charles R" <Chuck.Caldarale at unisys.com> wrote:

>> From: llvmdev-bounces at cs.uiuc.edu [mailto:llvmdev-bounces at cs.uiuc.edu]
>> On Behalf Of Dirkjan Bussink
>> Subject: [LLVMdev] Modifying machine code after it's generated with LLVM
> 
>> I'd need to be able to pass a memory address where the actual native
>> code is generated to this fallback function, but I haven't found any
>> ways of doing this.
> 
> Perhaps I don't understand the actual issue, but isn't this method sufficient?
> 
> llvm::ExecutionEngine::getPointerToFunction();

Well, I'd need a specific address inside that memory space then where the actual constant value would be stored, pointing at another function or representing a type check value. Just the address to the function isn't sufficient for that.

-- 
Dirkjan