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src/cpu/x86/vm/methodHandles_x86.cpp
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rev 8961 : [mq]: diff-shenandoah.patch
@@ -163,12 +163,14 @@
assert(method_temp == rbx, "required register for loading method");
//NOT_PRODUCT({ FlagSetting fs(TraceMethodHandles, true); trace_method_handle(_masm, "LZMH"); });
// Load the invoker, as MH -> MH.form -> LF.vmentry
+ oopDesc::bs()->interpreter_read_barrier(_masm, recv);
__ verify_oop(recv);
__ load_heap_oop(method_temp, Address(recv, NONZERO(java_lang_invoke_MethodHandle::form_offset_in_bytes())));
+ oopDesc::bs()->interpreter_read_barrier(_masm, method_temp);
__ verify_oop(method_temp);
__ load_heap_oop(method_temp, Address(method_temp, NONZERO(java_lang_invoke_LambdaForm::vmentry_offset_in_bytes())));
__ verify_oop(method_temp);
// the following assumes that a Method* is normally compressed in the vmtarget field:
__ movptr(method_temp, Address(method_temp, NONZERO(java_lang_invoke_MemberName::vmtarget_offset_in_bytes())));
@@ -178,12 +180,14 @@
__ movptr(temp2, Address(method_temp, Method::const_offset()));
__ load_sized_value(temp2,
Address(temp2, ConstMethod::size_of_parameters_offset()),
sizeof(u2), /*is_signed*/ false);
// assert(sizeof(u2) == sizeof(Method::_size_of_parameters), "");
+ __ movptr(temp2, __ argument_address(temp2, -1));
+ oopDesc::bs()->interpreter_read_barrier(_masm, temp2);
Label L;
- __ cmpptr(recv, __ argument_address(temp2, -1));
+ __ cmpptr(recv, temp2);
__ jcc(Assembler::equal, L);
__ movptr(rax, __ argument_address(temp2, -1));
__ STOP("receiver not on stack");
__ BIND(L);
}
@@ -374,10 +378,11 @@
// member_reg - MemberName that was the trailing argument
// temp1_recv_klass - klass of stacked receiver, if needed
// rsi/r13 - interpreter linkage (if interpreted)
// rcx, rdx, rsi, rdi, r8 - compiler arguments (if compiled)
+ oopDesc::bs()->interpreter_read_barrier(_masm, member_reg);
Label L_incompatible_class_change_error;
switch (iid) {
case vmIntrinsics::_linkToSpecial:
if (VerifyMethodHandles) {
verify_ref_kind(_masm, JVM_REF_invokeSpecial, member_reg, temp3);
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