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src/cpu/aarch64/vm/interp_masm_aarch64.cpp
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rev 12502 : 8172144: AArch64: Implement "JEP 270: Reserved Stack Areas for Critical Sections"
Reviewed-by: duke
@@ -617,10 +617,26 @@
// remove activation
// get sender esp
ldr(esp,
Address(rfp, frame::interpreter_frame_sender_sp_offset * wordSize));
+ if (StackReservedPages > 0) {
+ // testing if reserved zone needs to be re-enabled
+ Label no_reserved_zone_enabling;
+
+ ldr(rscratch1, Address(rthread, JavaThread::reserved_stack_activation_offset()));
+ cmp(esp, rscratch1);
+ br(Assembler::LS, no_reserved_zone_enabling);
+
+ call_VM_leaf(
+ CAST_FROM_FN_PTR(address, SharedRuntime::enable_stack_reserved_zone), rthread);
+ call_VM(noreg, CAST_FROM_FN_PTR(address,
+ InterpreterRuntime::throw_delayed_StackOverflowError));
+ should_not_reach_here();
+
+ bind(no_reserved_zone_enabling);
+ }
// remove frame anchor
leave();
// If we're returning to interpreted code we will shortly be
// adjusting SP to allow some space for ESP. If we're returning to
// compiled code the saved sender SP was saved in sender_sp, so this
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