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8152022: JVMCI: MethodHandleAccessProvider.resolveInvokeBasicTarget throws NPE on null first argument

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Reviewed-by: kvn, twisti
This commit is contained in:
Doug Simon 2016-03-31 09:16:49 -07:00
parent 40c8ad359a
commit e3cbdb7632
1 changed files with 5 additions and 1 deletions
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6
hotspot/src/jdk.vm.ci/share/classes/jdk.vm.ci.meta/src/jdk/vm/ci/meta/MethodHandleAccessProvider.java
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@ -60,11 +60,15 @@ public interface MethodHandleAccessProvider {
* Resolves the invocation target for an invocation of {@link IntrinsicMethod#INVOKE_BASIC
* MethodHandle.invokeBasic} with the given constant receiver {@link MethodHandle}. Returns
* {@code null} if the invocation target is not available at this time.
* <p>
*
* The first invocations of a method handle can use an interpreter to lookup the actual invoked
* method; frequently executed method handles can use Java bytecode generation to avoid the
* interpreter overhead. If the parameter forceBytecodeGeneration is set to true, the VM should
* try to generate bytecodes before this method returns.
*
* @returns {@code null} if {@code methodHandle} is not a {@link MethodHandle} or the invocation
* target is not available at this time
* @throws NullPointerException if {@code methodHandle} is null
*/
ResolvedJavaMethod resolveInvokeBasicTarget(JavaConstant methodHandle, boolean forceBytecodeGeneration);