[LLVMdev] LLVM and Interrupt Service Routines.

Alex Karahalios alex at karahalios.org
Tue Jul 21 09:43:02 PDT 2009

Hi Sanjiv,

Assuming that that support for Ada in LLVM is complete, I would look  
to see if there is something that is done there. Ada provides two  
pragmas (Interrupt_Handler & Attach_Handler) which allow you to both  
statically and dynamically attach interrupts to procedures.

Alex Karahalios

On Jul 21, 2009, at 8:07 AM, <Sanjiv.Gupta at microchip.com> <Sanjiv.Gupta at microchip.com 
 > wrote:

> Apparently, there is no explicit support for ISRs in the llvm  
> framework.  I could not find a matching attribute that can be used  
> to mark a function as an ISR, which codegen and optimizer can use  
> accordingly. ISRs aren't called explicity from any function, so  
> currently the optimizer deletes them.

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.llvm.org/pipermail/llvm-dev/attachments/20090721/7ae0f0a2/attachment.html>

More information about the llvm-dev mailing list