[LLVMdev] Parsing (and compiling) on demand.

lost lostfreeman at gmail.com
Sat Apr 17 13:14:30 PDT 2010


So  you mean that is not the way. But what is InstallLazyFunctionCreator for?

2010/4/17 Kenneth Uildriks <kennethuil at gmail.com>:
> On Sat, Apr 17, 2010 at 2:15 PM, Nick Lewycky <nicholas at mxc.ca> wrote:
>> lost wrote:
>>> Ok than, but how to insert a call to an undefined function?
>>
>> You need to have the function declaration and insert a call to that.
>> Once your LazyFunctionCreator is called, you fill in the body and call
>> JIT->getPointerToFunction() on it and return that result.
>>
>> I haven't actually tried this, but it seems to be the only way to use
>> this API, so I presume someone else has. The only potential problem I
>> can forsee is if the JIT isn't actually re-entrant.
>
> I actually tried that several months ago and, it turned out, the JIT
> wasn't actually reentrant and didn't like that at all.
>



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