[LLVMdev] Extending AsmPrinterHandler

[Michelle McDaniel]

I work on the LLILC team, and we are trying to send debug line info through to the CoreCLR EE without using an EventListener because we need to send extra info (more than just available in DebugLoc) like if it’s a call instruction, a call site, etc. We thought extending AsmPrinterHandler would be useful since it seems to have information about debug locations, label offsets, and instruction specific information.



From: Eric Christopher [mailto:echristo at gmail.com]
Sent: Wednesday, May 13, 2015 2:37 PM
To: Michelle McDaniel; llvmdev at cs.uiuc.edu
Subject: Re: [LLVMdev] Extending AsmPrinterHandler

We generally don't extend the AsmPrinter... can you be more specific about what you're trying to do?

-eric

On Wed, May 13, 2015 at 2:34 PM Michelle McDaniel <michelm at microsoft.com<mailto:michelm at microsoft.com>> wrote:
Hey everyone,

I’m looking into extending AsmPrinterHandler out of tree, to communicate information back to the CoreCLR EE, but all of the headers are in the lib directory. Is there any way to extend it out of tree, or is that not supported? The reason I’d like to do this out of tree is because we want to include clr headers as well, and we don’t want to introduce that into llvm sources.

Thanks,
Michelle
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