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8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation

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Enhance method resolution and resulting data structures, plus some refactoring.

Reviewed-by: twisti, acorn, jrose
This commit is contained in:
David Chase 2013-09-13 22:38:02 -04:00
parent 98d8f57603
commit 222c735458
40 changed files with 715 additions and 601 deletions
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28
hotspot/src/share/vm/oops/cpCache.cpp
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@ -140,9 +140,10 @@ void ConstantPoolCacheEntry::set_parameter_size(int value) {
err_msg("size must not change: parameter_size=%d, value=%d", parameter_size(), value));
}
void ConstantPoolCacheEntry::set_method(Bytecodes::Code invoke_code,
methodHandle method,
int vtable_index) {
void ConstantPoolCacheEntry::set_direct_or_vtable_call(Bytecodes::Code invoke_code,
methodHandle method,
int vtable_index) {
bool is_vtable_call = (vtable_index >= 0); // FIXME: split this method on this boolean
assert(method->interpreter_entry() != NULL, "should have been set at this point");
assert(!method->is_obsolete(), "attempt to write obsolete method to cpCache");
@ -160,7 +161,8 @@ void ConstantPoolCacheEntry::set_method(Bytecodes::Code invoke_code,
// ...and fall through as if we were handling invokevirtual:
case Bytecodes::_invokevirtual:
{
if (method->can_be_statically_bound()) {
if (!is_vtable_call) {
assert(method->can_be_statically_bound(), "");
// set_f2_as_vfinal_method checks if is_vfinal flag is true.
set_method_flags(as_TosState(method->result_type()),
( 1 << is_vfinal_shift) |
@ -169,6 +171,7 @@ void ConstantPoolCacheEntry::set_method(Bytecodes::Code invoke_code,
method()->size_of_parameters());
set_f2_as_vfinal_method(method());
} else {
assert(!method->can_be_statically_bound(), "");
assert(vtable_index >= 0, "valid index");
assert(!method->is_final_method(), "sanity");
set_method_flags(as_TosState(method->result_type()),
@ -182,6 +185,7 @@ void ConstantPoolCacheEntry::set_method(Bytecodes::Code invoke_code,
case Bytecodes::_invokespecial:
case Bytecodes::_invokestatic:
assert(!is_vtable_call, "");
// Note: Read and preserve the value of the is_vfinal flag on any
// invokevirtual bytecode shared with this constant pool cache entry.
// It is cheap and safe to consult is_vfinal() at all times.
@ -232,8 +236,22 @@ void ConstantPoolCacheEntry::set_method(Bytecodes::Code invoke_code,
NOT_PRODUCT(verify(tty));
}
void ConstantPoolCacheEntry::set_direct_call(Bytecodes::Code invoke_code, methodHandle method) {
int index = Method::nonvirtual_vtable_index;
// index < 0; FIXME: inline and customize set_direct_or_vtable_call
set_direct_or_vtable_call(invoke_code, method, index);
}
void ConstantPoolCacheEntry::set_interface_call(methodHandle method, int index) {
void ConstantPoolCacheEntry::set_vtable_call(Bytecodes::Code invoke_code, methodHandle method, int index) {
// either the method is a miranda or its holder should accept the given index
assert(method->method_holder()->is_interface() || method->method_holder()->verify_vtable_index(index), "");
// index >= 0; FIXME: inline and customize set_direct_or_vtable_call
set_direct_or_vtable_call(invoke_code, method, index);
}
void ConstantPoolCacheEntry::set_itable_call(Bytecodes::Code invoke_code, methodHandle method, int index) {
assert(method->method_holder()->verify_itable_index(index), "");
assert(invoke_code == Bytecodes::_invokeinterface, "");
InstanceKlass* interf = method->method_holder();
assert(interf->is_interface(), "must be an interface");
assert(!method->is_final_method(), "interfaces do not have final methods; cannot link to one here");