[9] RFR(S): 8130309: need to bailout cleanly if CompiledStaticCall::emit_to_interp_stub fails when codecache is out of space

Tobias Hartmann tobias.hartmann at oracle.com
Tue Jul 28 07:19:54 UTC 2015

Thanks, Vladimir.

On 27.07.2015 19:29, Vladimir Kozlov wrote:
> Use ciEnv()::current() instead of Compile::current()->env().

> compile.cpp why special case for StressCodeBuffers?

Right, the special case is not necessary since StressCodeBuffers should not affect the scratch buffer. I removed it.

New webrev:


> Otherwise looks good.
> Thanks,
> Vladimir
> On 7/27/15 7:36 AM, Tobias Hartmann wrote:
>> On 27.07.2015 13:31, Roland Westrelin wrote:
>>>>> Here is the new webrev:
>>>>> http://cr.openjdk.java.net/~thartmann/8130309/webrev.02/
>>>> CompiledStaticCall::emit_to_interp_stub() is compiler independent code. Shouldn’t the call be ciEnv::current()->record_failure() even if the method is only called from c2 (for now?)? (which is what Dean suggested as well I think)
>> Right, I missed that and got confused because the method is guarded by "#ifdef COMPILER2" on Sparc.
>>> Actually, why not have emit_to_interp_stub() returns an error and bail out from compilation in the caller?
>> I changed 'emit_to_interpr_stub()' accordingly and now bail out from the caller if it fails. I also had to adapt the ppc code and the 'emit_trampoline_stub()' method on aarch64.
>> I left the special handling of -XX:TraceJumps in the Sparc code since JDK-8132344 will fix it.
>> Here is the new webrev:
>> http://cr.openjdk.java.net/~thartmann/8130309/webrev.03/
>> Thanks,
>> Tobias
>>> Roland.

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