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6655638: dynamic languages need method handles

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Initial implementation, with known omissions (x86/64, sparc, compiler optim., c-oops, C++ interp.)

Reviewed-by: kvn, twisti, never
This commit is contained in:
John R Rose 2009-04-08 10:56:49 -07:00
parent 318da3f68c
commit ce0c084720
63 changed files with 5815 additions and 70 deletions
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25
hotspot/src/share/vm/runtime/sharedRuntime.hpp
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@ -211,11 +211,33 @@ class SharedRuntime: AllStatic {
*/
static char* generate_class_cast_message(JavaThread* thr, const char* name);
/**
* Fill in the message for a WrongMethodTypeException
*
* @param thr the current thread
* @param mtype (optional) expected method type (or argument class)
* @param mhandle (optional) actual method handle (or argument)
* @return the dynamically allocated exception message
*
* BCP for the frame on top of the stack must refer to an
* 'invokevirtual' op for a method handle, or an 'invokedyamic' op.
* The caller (or one of its callers) must use a ResourceMark
* in order to correctly free the result.
*/
static char* generate_wrong_method_type_message(JavaThread* thr,
oopDesc* mtype = NULL,
oopDesc* mhandle = NULL);
/** Return non-null if the mtype is a klass or Class, not a MethodType. */
static oop wrong_method_type_is_for_single_argument(JavaThread* thr,
oopDesc* mtype);
/**
* Fill in the "X cannot be cast to a Y" message for ClassCastException
*
* @param name the name of the class of the object attempted to be cast
* @param klass the name of the target klass attempt
* @param gripe the specific kind of problem being reported
* @return the dynamically allocated exception message (must be freed
* by the caller using a resource mark)
*
@ -224,7 +246,8 @@ class SharedRuntime: AllStatic {
* The caller (or one of it's callers) must use a ResourceMark
* in order to correctly free the result.
*/
static char* generate_class_cast_message(const char* name, const char* klass);
static char* generate_class_cast_message(const char* name, const char* klass,
const char* gripe = " cannot be cast to ");
// Resolves a call site- may patch in the destination of the call into the
// compiled code.