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7088020: SEGV in JNIHandleBlock::release_block

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Reviewed-by: kvn, twisti
This commit is contained in:
Tom Rodriguez 2011-09-10 00:11:04 -07:00
parent 92b2b44b18
commit 1ebca30d26
8 changed files with 104 additions and 67 deletions
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5
hotspot/src/cpu/x86/vm/methodHandles_x86.cpp
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@ -624,6 +624,11 @@ address MethodHandles::generate_method_handle_interpreter_entry(MacroAssembler*
// error path for invokeExact (only)
__ bind(invoke_exact_error_path);
// ensure that the top of stack is properly aligned.
__ mov(rdi, rsp);
__ andptr(rsp, -StackAlignmentInBytes); // Align the stack for the ABI
__ pushptr(Address(rdi, 0)); // Pick up the return address
// Stub wants expected type in rax and the actual type in rcx
__ jump(ExternalAddress(StubRoutines::throw_WrongMethodTypeException_entry()));