hotspot/src/cpu/ppc/vm/methodHandles_ppc.cpp
author goetz
Wed, 07 Jan 2015 08:37:49 +0100
changeset 28617 12ae756253c2
parent 25374 d7fb2af5d53c
child 29081 c61eb4914428
permissions -rw-r--r--
8068503: ppc64: Encode/Decode nodes for disjoint cOops mode Reviewed-by: simonis
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/*
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 * Copyright (c) 1997, 2014, Oracle and/or its affiliates. All rights reserved.
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 * Copyright 2012, 2014 SAP AG. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 *
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 */
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#include "precompiled.hpp"
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#include "asm/macroAssembler.inline.hpp"
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#include "interpreter/interpreter.hpp"
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#include "memory/allocation.inline.hpp"
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#include "prims/methodHandles.hpp"
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#define __ _masm->
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#ifdef CC_INTERP
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#define EXCEPTION_ENTRY StubRoutines::throw_NullPointerException_at_call_entry()
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#else
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#define EXCEPTION_ENTRY Interpreter::throw_NullPointerException_entry()
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#endif
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#ifdef PRODUCT
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#define BLOCK_COMMENT(str) // nothing
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#else
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#define BLOCK_COMMENT(str) __ block_comment(str)
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#endif
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#define BIND(label) bind(label); BLOCK_COMMENT(#label ":")
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// Workaround for C++ overloading nastiness on '0' for RegisterOrConstant.
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inline static RegisterOrConstant constant(int value) {
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  return RegisterOrConstant(value);
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}
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void MethodHandles::load_klass_from_Class(MacroAssembler* _masm, Register klass_reg, Register temp_reg, Register temp2_reg) {
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  if (VerifyMethodHandles)
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    verify_klass(_masm, klass_reg, SystemDictionary::WK_KLASS_ENUM_NAME(java_lang_Class), temp_reg, temp2_reg,
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                 "MH argument is a Class");
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  __ ld(klass_reg, java_lang_Class::klass_offset_in_bytes(), klass_reg);
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}
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#ifdef ASSERT
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static int check_nonzero(const char* xname, int x) {
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  assert(x != 0, err_msg("%s should be nonzero", xname));
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  return x;
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}
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#define NONZERO(x) check_nonzero(#x, x)
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#else //ASSERT
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#define NONZERO(x) (x)
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#endif //ASSERT
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#ifdef ASSERT
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void MethodHandles::verify_klass(MacroAssembler* _masm,
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                                 Register obj_reg, SystemDictionary::WKID klass_id,
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                                 Register temp_reg, Register temp2_reg,
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                                 const char* error_message) {
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  Klass** klass_addr = SystemDictionary::well_known_klass_addr(klass_id);
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  KlassHandle klass = SystemDictionary::well_known_klass(klass_id);
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  Label L_ok, L_bad;
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  BLOCK_COMMENT("verify_klass {");
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  __ verify_oop(obj_reg);
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  __ cmpdi(CCR0, obj_reg, 0);
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  __ beq(CCR0, L_bad);
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  __ load_klass(temp_reg, obj_reg);
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  __ load_const_optimized(temp2_reg, (address) klass_addr);
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  __ ld(temp2_reg, 0, temp2_reg);
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  __ cmpd(CCR0, temp_reg, temp2_reg);
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  __ beq(CCR0, L_ok);
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  __ ld(temp_reg, klass->super_check_offset(), temp_reg);
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  __ cmpd(CCR0, temp_reg, temp2_reg);
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  __ beq(CCR0, L_ok);
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  __ BIND(L_bad);
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  __ stop(error_message);
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  __ BIND(L_ok);
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  BLOCK_COMMENT("} verify_klass");
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}
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void MethodHandles::verify_ref_kind(MacroAssembler* _masm, int ref_kind, Register member_reg, Register temp) {
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  Label L;
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  BLOCK_COMMENT("verify_ref_kind {");
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  __ load_sized_value(temp, NONZERO(java_lang_invoke_MemberName::flags_offset_in_bytes()), member_reg,
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                      sizeof(u4), /*is_signed*/ false);
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  // assert(sizeof(u4) == sizeof(java.lang.invoke.MemberName.flags), "");
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  __ srwi( temp, temp, java_lang_invoke_MemberName::MN_REFERENCE_KIND_SHIFT);
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  __ andi(temp, temp, java_lang_invoke_MemberName::MN_REFERENCE_KIND_MASK);
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  __ cmpwi(CCR1, temp, ref_kind);
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  __ beq(CCR1, L);
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  { char* buf = NEW_C_HEAP_ARRAY(char, 100, mtInternal);
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    jio_snprintf(buf, 100, "verify_ref_kind expected %x", ref_kind);
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    if (ref_kind == JVM_REF_invokeVirtual ||
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        ref_kind == JVM_REF_invokeSpecial)
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      // could do this for all ref_kinds, but would explode assembly code size
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      trace_method_handle(_masm, buf);
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    __ stop(buf);
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  }
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  BLOCK_COMMENT("} verify_ref_kind");
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  __ BIND(L);
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}
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#endif // ASSERT
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void MethodHandles::jump_from_method_handle(MacroAssembler* _masm, Register method, Register target, Register temp,
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                                            bool for_compiler_entry) {
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  Label L_no_such_method;
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  assert(method == R19_method, "interpreter calling convention");
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  assert_different_registers(method, target, temp);
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  if (!for_compiler_entry && JvmtiExport::can_post_interpreter_events()) {
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    Label run_compiled_code;
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    // JVMTI events, such as single-stepping, are implemented partly by avoiding running
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    // compiled code in threads for which the event is enabled.  Check here for
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    // interp_only_mode if these events CAN be enabled.
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    __ verify_thread();
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    __ lwz(temp, in_bytes(JavaThread::interp_only_mode_offset()), R16_thread);
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    __ cmplwi(CCR0, temp, 0);
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    __ beq(CCR0, run_compiled_code);
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    // Null method test is replicated below in compiled case,
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    // it might be able to address across the verify_thread()
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    __ cmplwi(CCR0, R19_method, 0);
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    __ beq(CCR0, L_no_such_method);
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    __ ld(target, in_bytes(Method::interpreter_entry_offset()), R19_method);
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    __ mtctr(target);
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    __ bctr();
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    __ BIND(run_compiled_code);
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  }
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  // Compiled case, either static or fall-through from runtime conditional
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  __ cmplwi(CCR0, R19_method, 0);
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  __ beq(CCR0, L_no_such_method);
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  const ByteSize entry_offset = for_compiler_entry ? Method::from_compiled_offset() :
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                                                     Method::from_interpreted_offset();
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  __ ld(target, in_bytes(entry_offset), R19_method);
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  __ mtctr(target);
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  __ bctr();
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  __ bind(L_no_such_method);
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  assert(StubRoutines::throw_AbstractMethodError_entry() != NULL, "not yet generated!");
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  __ load_const_optimized(target, StubRoutines::throw_AbstractMethodError_entry());
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  __ mtctr(target);
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  __ bctr();
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}
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void MethodHandles::jump_to_lambda_form(MacroAssembler* _masm,
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                                        Register recv, Register method_temp,
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                                        Register temp2, Register temp3,
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                                        bool for_compiler_entry) {
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  BLOCK_COMMENT("jump_to_lambda_form {");
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  // This is the initial entry point of a lazy method handle.
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  // After type checking, it picks up the invoker from the LambdaForm.
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  assert_different_registers(recv, method_temp, temp2);  // temp3 is only passed on
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  assert(method_temp == R19_method, "required register for loading method");
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  // Load the invoker, as MH -> MH.form -> LF.vmentry
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  __ verify_oop(recv);
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  __ load_heap_oop_not_null(method_temp, NONZERO(java_lang_invoke_MethodHandle::form_offset_in_bytes()), recv, temp2);
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  __ verify_oop(method_temp);
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  __ load_heap_oop_not_null(method_temp, NONZERO(java_lang_invoke_LambdaForm::vmentry_offset_in_bytes()), method_temp, temp2);
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  __ verify_oop(method_temp);
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  // The following assumes that a Method* is normally compressed in the vmtarget field:
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  __ ld(method_temp, NONZERO(java_lang_invoke_MemberName::vmtarget_offset_in_bytes()), method_temp);
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  if (VerifyMethodHandles && !for_compiler_entry) {
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    // Make sure recv is already on stack.
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    __ ld(temp2, in_bytes(Method::const_offset()), method_temp);
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    __ load_sized_value(temp2, in_bytes(ConstMethod::size_of_parameters_offset()), temp2,
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                        sizeof(u2), /*is_signed*/ false);
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    // assert(sizeof(u2) == sizeof(ConstMethod::_size_of_parameters), "");
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    Label L;
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    __ ld(temp2, __ argument_offset(temp2, temp2, 0), CC_INTERP_ONLY(R17_tos) NOT_CC_INTERP(R15_esp));
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    __ cmpd(CCR1, temp2, recv);
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    __ beq(CCR1, L);
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    __ stop("receiver not on stack");
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    __ BIND(L);
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  }
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  jump_from_method_handle(_masm, method_temp, temp2, temp3, for_compiler_entry);
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  BLOCK_COMMENT("} jump_to_lambda_form");
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}
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// Code generation
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address MethodHandles::generate_method_handle_interpreter_entry(MacroAssembler* _masm,
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                                                                vmIntrinsics::ID iid) {
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  const bool not_for_compiler_entry = false;  // this is the interpreter entry
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  assert(is_signature_polymorphic(iid), "expected invoke iid");
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  if (iid == vmIntrinsics::_invokeGeneric ||
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      iid == vmIntrinsics::_compiledLambdaForm) {
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    // Perhaps surprisingly, the symbolic references visible to Java are not directly used.
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    // They are linked to Java-generated adapters via MethodHandleNatives.linkMethod.
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    // They all allow an appendix argument.
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    __ stop("Should not reach here");           // empty stubs make SG sick
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    return NULL;
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  }
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  Register argbase    = CC_INTERP_ONLY(R17_tos) NOT_CC_INTERP(R15_esp); // parameter (preserved)
22824
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  Register argslot    = R3;
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  Register temp1      = R6;
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  Register param_size = R7;
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  // here's where control starts out:
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  __ align(CodeEntryAlignment);
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  address entry_point = __ pc();
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   224
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  if (VerifyMethodHandles) {
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    Label L;
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    BLOCK_COMMENT("verify_intrinsic_id {");
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    __ load_sized_value(temp1, Method::intrinsic_id_offset_in_bytes(), R19_method,
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                        sizeof(u1), /*is_signed*/ false);
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    // assert(sizeof(u1) == sizeof(Method::_intrinsic_id), "");
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    __ cmpwi(CCR1, temp1, (int) iid);
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    __ beq(CCR1, L);
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   233
    if (iid == vmIntrinsics::_linkToVirtual ||
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   234
        iid == vmIntrinsics::_linkToSpecial) {
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   235
      // could do this for all kinds, but would explode assembly code size
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      trace_method_handle(_masm, "bad Method*:intrinsic_id");
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   237
    }
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    __ stop("bad Method*::intrinsic_id");
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   239
    __ BIND(L);
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    BLOCK_COMMENT("} verify_intrinsic_id");
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   241
  }
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   242
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  // First task:  Find out how big the argument list is.
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  int ref_kind = signature_polymorphic_intrinsic_ref_kind(iid);
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  assert(ref_kind != 0 || iid == vmIntrinsics::_invokeBasic, "must be _invokeBasic or a linkTo intrinsic");
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   246
  if (ref_kind == 0 || MethodHandles::ref_kind_has_receiver(ref_kind)) {
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    __ ld(param_size, in_bytes(Method::const_offset()), R19_method);
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    __ load_sized_value(param_size, in_bytes(ConstMethod::size_of_parameters_offset()), param_size,
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                        sizeof(u2), /*is_signed*/ false);
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    // assert(sizeof(u2) == sizeof(ConstMethod::_size_of_parameters), "");
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   251
  } else {
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    DEBUG_ONLY(param_size = noreg);
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   253
  }
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   254
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  Register tmp_mh = noreg;
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   256
  if (!is_signature_polymorphic_static(iid)) {
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   257
    __ ld(tmp_mh = temp1, __ argument_offset(param_size, param_size, 0), argbase);
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    DEBUG_ONLY(param_size = noreg);
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   259
  }
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   260
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   261
  if (TraceMethodHandles) {
28617
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    if (tmp_mh != noreg) {
22824
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      __ mr(R23_method_handle, tmp_mh);  // make stub happy
28617
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   264
    }
22824
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    trace_method_handle_interpreter_entry(_masm, iid);
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   266
  }
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   267
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  if (iid == vmIntrinsics::_invokeBasic) {
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    generate_method_handle_dispatch(_masm, iid, tmp_mh, noreg, not_for_compiler_entry);
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  } else {
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    // Adjust argument list by popping the trailing MemberName argument.
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    Register tmp_recv = noreg;
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   274
    if (MethodHandles::ref_kind_has_receiver(ref_kind)) {
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   275
      // Load the receiver (not the MH; the actual MemberName's receiver) up from the interpreter stack.
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   276
      __ ld(tmp_recv = temp1, __ argument_offset(param_size, param_size, 0), argbase);
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   277
      DEBUG_ONLY(param_size = noreg);
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   278
    }
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   279
    Register R19_member = R19_method;  // MemberName ptr; incoming method ptr is dead now
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   280
    __ ld(R19_member, RegisterOrConstant((intptr_t)8), argbase);
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   281
    __ add(argbase, Interpreter::stackElementSize, argbase);
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   282
    generate_method_handle_dispatch(_masm, iid, tmp_recv, R19_member, not_for_compiler_entry);
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   283
  }
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   284
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   285
  return entry_point;
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   286
}
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   287
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   288
void MethodHandles::generate_method_handle_dispatch(MacroAssembler* _masm,
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   289
                                                    vmIntrinsics::ID iid,
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   290
                                                    Register receiver_reg,
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   291
                                                    Register member_reg,
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   292
                                                    bool for_compiler_entry) {
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   293
  assert(is_signature_polymorphic(iid), "expected invoke iid");
22861
f5c393d456fc 8029940: PPC64 (part 122): C2 compiler port
goetz
parents: 22824
diff changeset
   294
  Register temp1 = (for_compiler_entry ? R25_tmp5 : R7);
22824
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   295
  Register temp2 = (for_compiler_entry ? R22_tmp2 : R8);
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   296
  Register temp3 = (for_compiler_entry ? R23_tmp3 : R9);
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   297
  Register temp4 = (for_compiler_entry ? R24_tmp4 : R10);
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   298
  if (receiver_reg != noreg)  assert_different_registers(temp1, temp2, temp3, temp4, receiver_reg);
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   299
  if (member_reg   != noreg)  assert_different_registers(temp1, temp2, temp3, temp4, member_reg);
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   300
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   301
  if (iid == vmIntrinsics::_invokeBasic) {
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   302
    // indirect through MH.form.vmentry.vmtarget
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   303
    jump_to_lambda_form(_masm, receiver_reg, R19_method, temp1, temp2, for_compiler_entry);
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   304
  } else {
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   305
    // The method is a member invoker used by direct method handles.
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   306
    if (VerifyMethodHandles) {
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   307
      // make sure the trailing argument really is a MemberName (caller responsibility)
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   308
      verify_klass(_masm, member_reg, SystemDictionary::WK_KLASS_ENUM_NAME(MemberName_klass),
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   309
                   temp1, temp2,
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   310
                   "MemberName required for invokeVirtual etc.");
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   311
    }
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   312
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   313
    Register temp1_recv_klass = temp1;
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   314
    if (iid != vmIntrinsics::_linkToStatic) {
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   315
      __ verify_oop(receiver_reg);
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   316
      if (iid == vmIntrinsics::_linkToSpecial) {
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   317
        // Don't actually load the klass; just null-check the receiver.
22861
f5c393d456fc 8029940: PPC64 (part 122): C2 compiler port
goetz
parents: 22824
diff changeset
   318
        __ null_check_throw(receiver_reg, -1, temp1, EXCEPTION_ENTRY);
22824
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   319
      } else {
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   320
        // load receiver klass itself
22861
f5c393d456fc 8029940: PPC64 (part 122): C2 compiler port
goetz
parents: 22824
diff changeset
   321
        __ null_check_throw(receiver_reg, oopDesc::klass_offset_in_bytes(), temp1, EXCEPTION_ENTRY);
22824
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   322
        __ load_klass(temp1_recv_klass, receiver_reg);
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   323
        __ verify_klass_ptr(temp1_recv_klass);
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   324
      }
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   325
      BLOCK_COMMENT("check_receiver {");
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   326
      // The receiver for the MemberName must be in receiver_reg.
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   327
      // Check the receiver against the MemberName.clazz
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   328
      if (VerifyMethodHandles && iid == vmIntrinsics::_linkToSpecial) {
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   329
        // Did not load it above...
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   330
        __ load_klass(temp1_recv_klass, receiver_reg);
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   331
        __ verify_klass_ptr(temp1_recv_klass);
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   332
      }
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   333
      if (VerifyMethodHandles && iid != vmIntrinsics::_linkToInterface) {
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   334
        Label L_ok;
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   335
        Register temp2_defc = temp2;
28617
12ae756253c2 8068503: ppc64: Encode/Decode nodes for disjoint cOops mode
goetz
parents: 25374
diff changeset
   336
        __ load_heap_oop_not_null(temp2_defc, NONZERO(java_lang_invoke_MemberName::clazz_offset_in_bytes()), member_reg, temp3);
22824
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   337
        load_klass_from_Class(_masm, temp2_defc, temp3, temp4);
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   338
        __ verify_klass_ptr(temp2_defc);
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   339
        __ check_klass_subtype(temp1_recv_klass, temp2_defc, temp3, temp4, L_ok);
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   340
        // If we get here, the type check failed!
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   341
        __ stop("receiver class disagrees with MemberName.clazz");
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   342
        __ BIND(L_ok);
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   343
      }
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   344
      BLOCK_COMMENT("} check_receiver");
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   345
    }
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   346
    if (iid == vmIntrinsics::_linkToSpecial ||
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   347
        iid == vmIntrinsics::_linkToStatic) {
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   348
      DEBUG_ONLY(temp1_recv_klass = noreg);  // these guys didn't load the recv_klass
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   349
    }
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   350
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   351
    // Live registers at this point:
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   352
    //  member_reg - MemberName that was the trailing argument
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   353
    //  temp1_recv_klass - klass of stacked receiver, if needed
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   354
    //  O5_savedSP - interpreter linkage (if interpreted)
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   355
    //  O0..O5 - compiler arguments (if compiled)
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   356
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   357
    Label L_incompatible_class_change_error;
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   358
    switch (iid) {
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   359
    case vmIntrinsics::_linkToSpecial:
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   360
      if (VerifyMethodHandles) {
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   361
        verify_ref_kind(_masm, JVM_REF_invokeSpecial, member_reg, temp2);
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   362
      }
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   363
      __ ld(R19_method, NONZERO(java_lang_invoke_MemberName::vmtarget_offset_in_bytes()), member_reg);
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   364
      break;
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   365
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   366
    case vmIntrinsics::_linkToStatic:
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   367
      if (VerifyMethodHandles) {
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   368
        verify_ref_kind(_masm, JVM_REF_invokeStatic, member_reg, temp2);
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   369
      }
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   370
      __ ld(R19_method, NONZERO(java_lang_invoke_MemberName::vmtarget_offset_in_bytes()), member_reg);
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   371
      break;
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   372
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   373
    case vmIntrinsics::_linkToVirtual:
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   374
    {
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   375
      // same as TemplateTable::invokevirtual,
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   376
      // minus the CP setup and profiling:
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   377
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   378
      if (VerifyMethodHandles) {
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   379
        verify_ref_kind(_masm, JVM_REF_invokeVirtual, member_reg, temp2);
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   380
      }
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   381
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   382
      // pick out the vtable index from the MemberName, and then we can discard it:
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   383
      Register temp2_index = temp2;
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   384
      __ ld(temp2_index, NONZERO(java_lang_invoke_MemberName::vmindex_offset_in_bytes()), member_reg);
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   385
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   386
      if (VerifyMethodHandles) {
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   387
        Label L_index_ok;
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   388
        __ cmpdi(CCR1, temp2_index, 0);
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   389
        __ bge(CCR1, L_index_ok);
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   390
        __ stop("no virtual index");
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   391
        __ BIND(L_index_ok);
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   392
      }
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   393
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   394
      // Note:  The verifier invariants allow us to ignore MemberName.clazz and vmtarget
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   395
      // at this point.  And VerifyMethodHandles has already checked clazz, if needed.
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   396
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   397
      // get target Method* & entry point
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   398
      __ lookup_virtual_method(temp1_recv_klass, temp2_index, R19_method);
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   399
      break;
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   400
    }
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   401
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   402
    case vmIntrinsics::_linkToInterface:
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   403
    {
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   404
      // same as TemplateTable::invokeinterface
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   405
      // (minus the CP setup and profiling, with different argument motion)
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   406
      if (VerifyMethodHandles) {
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   407
        verify_ref_kind(_masm, JVM_REF_invokeInterface, member_reg, temp2);
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   408
      }
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   409
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   410
      Register temp2_intf = temp2;
28617
12ae756253c2 8068503: ppc64: Encode/Decode nodes for disjoint cOops mode
goetz
parents: 25374
diff changeset
   411
      __ load_heap_oop_not_null(temp2_intf, NONZERO(java_lang_invoke_MemberName::clazz_offset_in_bytes()), member_reg, temp3);
22824
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   412
      load_klass_from_Class(_masm, temp2_intf, temp3, temp4);
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   413
      __ verify_klass_ptr(temp2_intf);
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   414
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   415
      Register vtable_index = R19_method;
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   416
      __ ld(vtable_index, NONZERO(java_lang_invoke_MemberName::vmindex_offset_in_bytes()), member_reg);
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   417
      if (VerifyMethodHandles) {
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   418
        Label L_index_ok;
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   419
        __ cmpdi(CCR1, vtable_index, 0);
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   420
        __ bge(CCR1, L_index_ok);
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   421
        __ stop("invalid vtable index for MH.invokeInterface");
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   422
        __ BIND(L_index_ok);
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   423
      }
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   424
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   425
      // given intf, index, and recv klass, dispatch to the implementation method
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   426
      __ lookup_interface_method(temp1_recv_klass, temp2_intf,
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   427
                                 // note: next two args must be the same:
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   428
                                 vtable_index, R19_method,
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   429
                                 temp3, temp4,
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   430
                                 L_incompatible_class_change_error);
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   431
      break;
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   432
    }
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   433
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   434
    default:
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   435
      fatal(err_msg_res("unexpected intrinsic %d: %s", iid, vmIntrinsics::name_at(iid)));
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   436
      break;
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   437
    }
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   438
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   439
    // Live at this point:
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   440
    //   R19_method
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   441
    //   O5_savedSP (if interpreted)
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   442
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   443
    // After figuring out which concrete method to call, jump into it.
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   444
    // Note that this works in the interpreter with no data motion.
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   445
    // But the compiled version will require that rcx_recv be shifted out.
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   446
    __ verify_method_ptr(R19_method);
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   447
    jump_from_method_handle(_masm, R19_method, temp1, temp2, for_compiler_entry);
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   448
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   449
    if (iid == vmIntrinsics::_linkToInterface) {
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   450
      __ BIND(L_incompatible_class_change_error);
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   451
      __ load_const_optimized(temp1, StubRoutines::throw_IncompatibleClassChangeError_entry());
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   452
      __ mtctr(temp1);
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   453
      __ bctr();
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   454
    }
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   455
  }
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   456
}
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   457
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   458
#ifndef PRODUCT
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   459
void trace_method_handle_stub(const char* adaptername,
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   460
                              oopDesc* mh,
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   461
                              intptr_t* entry_sp,
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   462
                              intptr_t* saved_regs) {
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   463
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   464
  bool has_mh = (strstr(adaptername, "/static") == NULL &&
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   465
                 strstr(adaptername, "linkTo") == NULL);    // static linkers don't have MH
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   466
  const char* mh_reg_name = has_mh ? "R23_method_handle" : "G23";
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   467
  tty->print_cr("MH %s %s="INTPTR_FORMAT " sp=" INTPTR_FORMAT,
28617
12ae756253c2 8068503: ppc64: Encode/Decode nodes for disjoint cOops mode
goetz
parents: 25374
diff changeset
   468
                adaptername, mh_reg_name, (intptr_t) mh, entry_sp);
22824
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   469
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   470
  if (Verbose) {
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   471
    tty->print_cr("Registers:");
23211
954e3a81da29 8035647: PPC64: Support for elf v2 abi.
goetz
parents: 22861
diff changeset
   472
    const int abi_offset = frame::abi_reg_args_size / 8;
22861
f5c393d456fc 8029940: PPC64 (part 122): C2 compiler port
goetz
parents: 22824
diff changeset
   473
    for (int i = R3->encoding(); i <= R12->encoding(); i++) {
22824
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   474
      Register r = as_Register(i);
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   475
      int count = i - R3->encoding();
23211
954e3a81da29 8035647: PPC64: Support for elf v2 abi.
goetz
parents: 22861
diff changeset
   476
      // The registers are stored in reverse order on the stack (by save_volatile_gprs(R1_SP, abi_reg_args_size)).
22824
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   477
      tty->print("%3s=" PTR_FORMAT, r->name(), saved_regs[abi_offset + count]);
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   478
      if ((count + 1) % 4 == 0) {
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   479
        tty->cr();
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   480
      } else {
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   481
        tty->print(", ");
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   482
      }
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   483
    }
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   484
    tty->cr();
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   485
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   486
    {
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   487
      // dumping last frame with frame::describe
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   488
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   489
      JavaThread* p = JavaThread::active();
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   490
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   491
      ResourceMark rm;
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   492
      PRESERVE_EXCEPTION_MARK; // may not be needed by safer and unexpensive here
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   493
      FrameValues values;
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   494
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   495
      // Note: We want to allow trace_method_handle from any call site.
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   496
      // While trace_method_handle creates a frame, it may be entered
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   497
      // without a PC on the stack top (e.g. not just after a call).
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   498
      // Walking that frame could lead to failures due to that invalid PC.
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   499
      // => carefully detect that frame when doing the stack walking
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   500
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   501
      // Current C frame
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   502
      frame cur_frame = os::current_frame();
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   503
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   504
      // Robust search of trace_calling_frame (independant of inlining).
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   505
      // Assumes saved_regs comes from a pusha in the trace_calling_frame.
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   506
      assert(cur_frame.sp() < saved_regs, "registers not saved on stack ?");
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   507
      frame trace_calling_frame = os::get_sender_for_C_frame(&cur_frame);
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   508
      while (trace_calling_frame.fp() < saved_regs) {
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   509
        trace_calling_frame = os::get_sender_for_C_frame(&trace_calling_frame);
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   510
      }
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   511
22861
f5c393d456fc 8029940: PPC64 (part 122): C2 compiler port
goetz
parents: 22824
diff changeset
   512
      // Safely create a frame and call frame::describe.
22824
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   513
      intptr_t *dump_sp = trace_calling_frame.sender_sp();
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   514
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   515
      frame dump_frame = frame(dump_sp);
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   516
      dump_frame.describe(values, 1);
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   517
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   518
      values.describe(-1, saved_regs, "raw top of stack");
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   519
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   520
      tty->print_cr("Stack layout:");
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   521
      values.print(p);
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   522
    }
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   523
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   524
    if (has_mh && mh->is_oop()) {
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   525
      mh->print();
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   526
      if (java_lang_invoke_MethodHandle::is_instance(mh)) {
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   527
        if (java_lang_invoke_MethodHandle::form_offset_in_bytes() != 0)
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   528
          java_lang_invoke_MethodHandle::form(mh)->print();
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   529
      }
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   530
    }
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   531
  }
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   532
}
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   533
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   534
void MethodHandles::trace_method_handle(MacroAssembler* _masm, const char* adaptername) {
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   535
  if (!TraceMethodHandles) return;
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   536
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   537
  BLOCK_COMMENT("trace_method_handle {");
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   538
28617
12ae756253c2 8068503: ppc64: Encode/Decode nodes for disjoint cOops mode
goetz
parents: 25374
diff changeset
   539
  const Register tmp = R11; // Will be preserved.
12ae756253c2 8068503: ppc64: Encode/Decode nodes for disjoint cOops mode
goetz
parents: 25374
diff changeset
   540
  const int nbytes_save = 11*8; // volatile gprs except R0
12ae756253c2 8068503: ppc64: Encode/Decode nodes for disjoint cOops mode
goetz
parents: 25374
diff changeset
   541
  __ save_volatile_gprs(R1_SP, -nbytes_save); // except R0
12ae756253c2 8068503: ppc64: Encode/Decode nodes for disjoint cOops mode
goetz
parents: 25374
diff changeset
   542
  __ save_LR_CR(tmp); // save in old frame
22824
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   543
28617
12ae756253c2 8068503: ppc64: Encode/Decode nodes for disjoint cOops mode
goetz
parents: 25374
diff changeset
   544
  __ mr(R5_ARG3, R1_SP);     // saved_sp
12ae756253c2 8068503: ppc64: Encode/Decode nodes for disjoint cOops mode
goetz
parents: 25374
diff changeset
   545
  __ push_frame_reg_args(nbytes_save, tmp);
12ae756253c2 8068503: ppc64: Encode/Decode nodes for disjoint cOops mode
goetz
parents: 25374
diff changeset
   546
12ae756253c2 8068503: ppc64: Encode/Decode nodes for disjoint cOops mode
goetz
parents: 25374
diff changeset
   547
  __ load_const_optimized(R3_ARG1, (address)adaptername, tmp);
22824
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   548
  __ mr(R4_ARG2, R23_method_handle);
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   549
  __ mr(R6_ARG4, R1_SP);
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   550
  __ call_VM_leaf(CAST_FROM_FN_PTR(address, trace_method_handle_stub));
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   551
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   552
  __ pop_frame();
28617
12ae756253c2 8068503: ppc64: Encode/Decode nodes for disjoint cOops mode
goetz
parents: 25374
diff changeset
   553
  __ restore_LR_CR(tmp);
12ae756253c2 8068503: ppc64: Encode/Decode nodes for disjoint cOops mode
goetz
parents: 25374
diff changeset
   554
  __ restore_volatile_gprs(R1_SP, -nbytes_save); // except R0
22824
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   555
28258dd5cb2e 8019972: PPC64 (part 9): platform files for interpreter only VM.
goetz
parents:
diff changeset
   556
  BLOCK_COMMENT("} trace_method_handle");
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}
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#endif // PRODUCT