hotspot/src/cpu/sparc/vm/methodHandles_sparc.cpp
author mikael
Tue, 29 Apr 2014 22:05:10 -0700 (2014-04-30)
changeset 24327 d8d91481f76e
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child 24932 374cc5d929fb
permissions -rw-r--r--
8042059: Various fixes to linux/sparc Reviewed-by: twisti, kvn
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/*
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 * Copyright (c) 2008, 2013, Oracle and/or its affiliates. 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.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 PRODUCT
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#define BLOCK_COMMENT(str) /* nothing */
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#define STOP(error) stop(error)
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#else
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#define BLOCK_COMMENT(str) __ block_comment(str)
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#define STOP(error) block_comment(error); __ stop(error)
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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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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_ptr(Address(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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  bool did_save = false;
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  if (temp_reg == noreg || temp2_reg == noreg) {
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    temp_reg = L1;
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    temp2_reg = L2;
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    __ save_frame_and_mov(0, obj_reg, L0);
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    obj_reg = L0;
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    did_save = true;
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  }
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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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  __ br_null_short(obj_reg, Assembler::pn, L_bad);
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  __ load_klass(obj_reg, temp_reg);
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  __ set(ExternalAddress((Metadata**)klass_addr), temp2_reg);
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  __ ld_ptr(Address(temp2_reg, 0), temp2_reg);
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  __ cmp_and_brx_short(temp_reg, temp2_reg, Assembler::equal, Assembler::pt, L_ok);
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  intptr_t super_check_offset = klass->super_check_offset();
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  __ ld_ptr(Address(temp_reg, super_check_offset), temp_reg);
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  __ set(ExternalAddress((Metadata**)klass_addr), temp2_reg);
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  __ ld_ptr(Address(temp2_reg, 0), temp2_reg);
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  __ cmp_and_brx_short(temp_reg, temp2_reg, Assembler::equal, Assembler::pt, L_ok);
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  __ BIND(L_bad);
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  if (did_save)  __ restore();
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  __ STOP(error_message);
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  __ BIND(L_ok);
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  if (did_save)  __ restore();
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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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  __ lduw(Address(member_reg, NONZERO(java_lang_invoke_MemberName::flags_offset_in_bytes())), temp);
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  __ srl( temp, java_lang_invoke_MemberName::MN_REFERENCE_KIND_SHIFT, temp);
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  __ and3(temp, java_lang_invoke_MemberName::MN_REFERENCE_KIND_MASK,  temp);
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  __ cmp_and_br_short(temp, ref_kind, Assembler::equal, Assembler::pt, 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 == G5_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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    const Address interp_only(G2_thread, JavaThread::interp_only_mode_offset());
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    __ ld(interp_only, temp);
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    __ cmp_and_br_short(temp, 0, Assembler::zero, Assembler::pt, 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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    __ br_null_short(G5_method, Assembler::pn, L_no_such_method);
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    __ ld_ptr(G5_method, in_bytes(Method::interpreter_entry_offset()), target);
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    __ jmp(target, 0);
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    __ delayed()->nop();
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    __ BIND(run_compiled_code);
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    // Note: we could fill some delay slots here, but
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    // it doesn't matter, since this is interpreter code.
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  }
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  // Compiled case, either static or fall-through from runtime conditional
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  __ br_null_short(G5_method, Assembler::pn, 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_ptr(G5_method, in_bytes(entry_offset), target);
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  __ jmp(target, 0);
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  __ delayed()->nop();
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  __ bind(L_no_such_method);
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  AddressLiteral ame(StubRoutines::throw_AbstractMethodError_entry());
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  __ jump_to(ame, temp);
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  __ delayed()->nop();
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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 == G5_method, "required register for loading method");
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  //NOT_PRODUCT({ FlagSetting fs(TraceMethodHandles, true); trace_method_handle(_masm, "LZMH"); });
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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(Address(recv,        NONZERO(java_lang_invoke_MethodHandle::form_offset_in_bytes())),   method_temp);
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  __ verify_oop(method_temp);
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  __ load_heap_oop(Address(method_temp, NONZERO(java_lang_invoke_LambdaForm::vmentry_offset_in_bytes())),  method_temp);
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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_ptr(       Address(method_temp, NONZERO(java_lang_invoke_MemberName::vmtarget_offset_in_bytes())), method_temp);
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   183
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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_ptr(method_temp, in_bytes(Method::const_offset()), temp2);
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    __ load_sized_value(Address(temp2, ConstMethod::size_of_parameters_offset()),
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                        temp2,
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                        sizeof(u2), /*is_signed*/ false);
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    // assert(sizeof(u2) == sizeof(Method::_size_of_parameters), "");
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    Label L;
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    __ ld_ptr(__ argument_address(temp2, temp2, -1), temp2);
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    __ cmp_and_br_short(temp2, recv, Assembler::equal, Assembler::pt, L);
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    __ STOP("receiver not on stack");
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    __ BIND(L);
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   196
  }
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   197
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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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   202
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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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   208
  if (iid == vmIntrinsics::_invokeGeneric ||
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   209
      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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   212
    // They all allow an appendix argument.
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   213
    __ should_not_reach_here();           // empty stubs make SG sick
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   214
    return NULL;
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   215
  }
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   216
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  // I5_savedSP/O5_savedSP: sender SP (must preserve; see prepare_to_jump_from_interpreted)
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  // G5_method:  Method*
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  // G4 (Gargs): incoming argument list (must preserve)
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  // O0: used as temp to hold mh or receiver
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  // O1, O4: garbage temps, blown away
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  Register O1_scratch    = O1;
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  Register O4_param_size = O4;   // size of parameters
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   224
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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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   228
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   229
  if (VerifyMethodHandles) {
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   230
    Label L;
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    BLOCK_COMMENT("verify_intrinsic_id {");
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   232
    __ ldub(Address(G5_method, Method::intrinsic_id_offset_in_bytes()), O1_scratch);
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   233
    __ cmp_and_br_short(O1_scratch, (int) iid, Assembler::equal, Assembler::pt, L);
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   234
    if (iid == vmIntrinsics::_linkToVirtual ||
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   235
        iid == vmIntrinsics::_linkToSpecial) {
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   236
      // 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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   238
    }
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   239
    __ STOP("bad Method*::intrinsic_id");
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   240
    __ bind(L);
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   241
    BLOCK_COMMENT("} verify_intrinsic_id");
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   242
  }
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   243
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  // First task:  Find out how big the argument list is.
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   245
  Address O4_first_arg_addr;
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  int ref_kind = signature_polymorphic_intrinsic_ref_kind(iid);
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   247
  assert(ref_kind != 0 || iid == vmIntrinsics::_invokeBasic, "must be _invokeBasic or a linkTo intrinsic");
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   248
  if (ref_kind == 0 || MethodHandles::ref_kind_has_receiver(ref_kind)) {
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   249
    __ ld_ptr(G5_method, in_bytes(Method::const_offset()), O4_param_size);
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    __ load_sized_value(Address(O4_param_size, ConstMethod::size_of_parameters_offset()),
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                        O4_param_size,
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                        sizeof(u2), /*is_signed*/ false);
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   253
    // assert(sizeof(u2) == sizeof(Method::_size_of_parameters), "");
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    O4_first_arg_addr = __ argument_address(O4_param_size, O4_param_size, -1);
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   255
  } else {
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   256
    DEBUG_ONLY(O4_param_size = noreg);
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   257
  }
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   258
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   259
  Register O0_mh = noreg;
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   260
  if (!is_signature_polymorphic_static(iid)) {
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   261
    __ ld_ptr(O4_first_arg_addr, O0_mh = O0);
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   262
    DEBUG_ONLY(O4_param_size = noreg);
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   263
  }
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   264
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  // O4_first_arg_addr is live!
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   266
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   267
  if (TraceMethodHandles) {
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   268
    if (O0_mh != noreg)
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diff changeset
   269
      __ mov(O0_mh, G3_method_handle);  // make stub happy
13968
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   270
    trace_method_handle_interpreter_entry(_masm, iid);
13391
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diff changeset
   271
  }
7112
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parents: 7102
diff changeset
   272
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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   273
  if (iid == vmIntrinsics::_invokeBasic) {
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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diff changeset
   274
    generate_method_handle_dispatch(_masm, iid, O0_mh, noreg, not_for_compiler_entry);
5416
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diff changeset
   275
13391
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diff changeset
   276
  } else {
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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diff changeset
   277
    // Adjust argument list by popping the trailing MemberName argument.
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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diff changeset
   278
    Register O0_recv = noreg;
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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diff changeset
   279
    if (MethodHandles::ref_kind_has_receiver(ref_kind)) {
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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parents: 11571
diff changeset
   280
      // Load the receiver (not the MH; the actual MemberName's receiver) up from the interpreter stack.
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twisti
parents: 11571
diff changeset
   281
      __ ld_ptr(O4_first_arg_addr, O0_recv = O0);
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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diff changeset
   282
      DEBUG_ONLY(O4_param_size = noreg);
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diff changeset
   283
    }
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diff changeset
   284
    Register G5_member = G5_method;  // MemberName ptr; incoming method ptr is dead now
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diff changeset
   285
    __ ld_ptr(__ argument_address(constant(0)), G5_member);
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diff changeset
   286
    __ add(Gargs, Interpreter::stackElementSize, Gargs);
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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diff changeset
   287
    generate_method_handle_dispatch(_masm, iid, O0_recv, G5_member, not_for_compiler_entry);
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diff changeset
   288
  }
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parents: 11571
diff changeset
   289
5416
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   290
  return entry_point;
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
   291
}
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
   292
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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diff changeset
   293
void MethodHandles::generate_method_handle_dispatch(MacroAssembler* _masm,
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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diff changeset
   294
                                                    vmIntrinsics::ID iid,
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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diff changeset
   295
                                                    Register receiver_reg,
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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diff changeset
   296
                                                    Register member_reg,
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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diff changeset
   297
                                                    bool for_compiler_entry) {
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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diff changeset
   298
  assert(is_signature_polymorphic(iid), "expected invoke iid");
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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diff changeset
   299
  Register temp1 = (for_compiler_entry ? G1_scratch : O1);
13881
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diff changeset
   300
  Register temp2 = (for_compiler_entry ? G3_scratch : O2);
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parents: 13743
diff changeset
   301
  Register temp3 = (for_compiler_entry ? G4_scratch : O3);
a326d528f3e1 7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
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parents: 13743
diff changeset
   302
  Register temp4 = (for_compiler_entry ? noreg      : O4);
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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parents: 11571
diff changeset
   303
  if (for_compiler_entry) {
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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parents: 11571
diff changeset
   304
    assert(receiver_reg == (iid == vmIntrinsics::_linkToStatic ? noreg : O0), "only valid assignment");
13881
a326d528f3e1 7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents: 13743
diff changeset
   305
    assert_different_registers(temp1, O0, O1, O2, O3, O4, O5);
a326d528f3e1 7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
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parents: 13743
diff changeset
   306
    assert_different_registers(temp2, O0, O1, O2, O3, O4, O5);
a326d528f3e1 7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
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parents: 13743
diff changeset
   307
    assert_different_registers(temp3, O0, O1, O2, O3, O4, O5);
a326d528f3e1 7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
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parents: 13743
diff changeset
   308
    assert_different_registers(temp4, O0, O1, O2, O3, O4, O5);
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parents: 13743
diff changeset
   309
  } else {
a326d528f3e1 7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
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parents: 13743
diff changeset
   310
    assert_different_registers(temp1, temp2, temp3, temp4, O5_savedSP);  // don't trash lastSP
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   311
  }
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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diff changeset
   312
  if (receiver_reg != noreg)  assert_different_registers(temp1, temp2, temp3, temp4, receiver_reg);
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   313
  if (member_reg   != noreg)  assert_different_registers(temp1, temp2, temp3, temp4, member_reg);
5416
5f6377fcfd3e 6829193: JSR 292 needs to support SPARC
twisti
parents: 2534
diff changeset
   314
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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parents: 11571
diff changeset
   315
  if (iid == vmIntrinsics::_invokeBasic) {
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   316
    // indirect through MH.form.vmentry.vmtarget
13881
a326d528f3e1 7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents: 13743
diff changeset
   317
    jump_to_lambda_form(_masm, receiver_reg, G5_method, temp1, temp2, for_compiler_entry);
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   318
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   319
  } else {
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   320
    // The method is a member invoker used by direct method handles.
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   321
    if (VerifyMethodHandles) {
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   322
      // make sure the trailing argument really is a MemberName (caller responsibility)
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   323
      verify_klass(_masm, member_reg, SystemDictionary::WK_KLASS_ENUM_NAME(MemberName_klass),
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   324
                   temp1, temp2,
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   325
                   "MemberName required for invokeVirtual etc.");
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   326
    }
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   327
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   328
    Address member_clazz(    member_reg, NONZERO(java_lang_invoke_MemberName::clazz_offset_in_bytes()));
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   329
    Address member_vmindex(  member_reg, NONZERO(java_lang_invoke_MemberName::vmindex_offset_in_bytes()));
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   330
    Address member_vmtarget( member_reg, NONZERO(java_lang_invoke_MemberName::vmtarget_offset_in_bytes()));
9976
6fef34e63df1 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 9638
diff changeset
   331
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   332
    Register temp1_recv_klass = temp1;
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   333
    if (iid != vmIntrinsics::_linkToStatic) {
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   334
      __ verify_oop(receiver_reg);
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   335
      if (iid == vmIntrinsics::_linkToSpecial) {
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   336
        // Don't actually load the klass; just null-check the receiver.
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   337
        __ null_check(receiver_reg);
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   338
      } else {
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   339
        // load receiver klass itself
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   340
        __ null_check(receiver_reg, oopDesc::klass_offset_in_bytes());
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   341
        __ load_klass(receiver_reg, temp1_recv_klass);
13743
154102966e74 7196681: NPG: Some JSR 292 tests crash in Windows exception handler
coleenp
parents: 13728
diff changeset
   342
        __ verify_klass_ptr(temp1_recv_klass);
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   343
      }
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   344
      BLOCK_COMMENT("check_receiver {");
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   345
      // The receiver for the MemberName must be in receiver_reg.
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   346
      // Check the receiver against the MemberName.clazz
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   347
      if (VerifyMethodHandles && iid == vmIntrinsics::_linkToSpecial) {
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   348
        // Did not load it above...
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   349
        __ load_klass(receiver_reg, temp1_recv_klass);
13743
154102966e74 7196681: NPG: Some JSR 292 tests crash in Windows exception handler
coleenp
parents: 13728
diff changeset
   350
        __ verify_klass_ptr(temp1_recv_klass);
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   351
      }
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   352
      if (VerifyMethodHandles && iid != vmIntrinsics::_linkToInterface) {
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   353
        Label L_ok;
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   354
        Register temp2_defc = temp2;
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   355
        __ load_heap_oop(member_clazz, temp2_defc);
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   356
        load_klass_from_Class(_masm, temp2_defc, temp3, temp4);
13743
154102966e74 7196681: NPG: Some JSR 292 tests crash in Windows exception handler
coleenp
parents: 13728
diff changeset
   357
        __ verify_klass_ptr(temp2_defc);
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   358
        __ check_klass_subtype(temp1_recv_klass, temp2_defc, temp3, temp4, L_ok);
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   359
        // If we get here, the type check failed!
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   360
        __ STOP("receiver class disagrees with MemberName.clazz");
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   361
        __ bind(L_ok);
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   362
      }
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   363
      BLOCK_COMMENT("} check_receiver");
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   364
    }
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   365
    if (iid == vmIntrinsics::_linkToSpecial ||
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   366
        iid == vmIntrinsics::_linkToStatic) {
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   367
      DEBUG_ONLY(temp1_recv_klass = noreg);  // these guys didn't load the recv_klass
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   368
    }
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   369
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   370
    // Live registers at this point:
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   371
    //  member_reg - MemberName that was the trailing argument
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   372
    //  temp1_recv_klass - klass of stacked receiver, if needed
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   373
    //  O5_savedSP - interpreter linkage (if interpreted)
13881
a326d528f3e1 7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents: 13743
diff changeset
   374
    //  O0..O5 - compiler arguments (if compiled)
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   375
13881
a326d528f3e1 7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents: 13743
diff changeset
   376
    Label L_incompatible_class_change_error;
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   377
    switch (iid) {
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   378
    case vmIntrinsics::_linkToSpecial:
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   379
      if (VerifyMethodHandles) {
13881
a326d528f3e1 7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents: 13743
diff changeset
   380
        verify_ref_kind(_masm, JVM_REF_invokeSpecial, member_reg, temp2);
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   381
      }
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   382
      __ ld_ptr(member_vmtarget, G5_method);
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   383
      break;
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   384
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   385
    case vmIntrinsics::_linkToStatic:
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   386
      if (VerifyMethodHandles) {
13881
a326d528f3e1 7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents: 13743
diff changeset
   387
        verify_ref_kind(_masm, JVM_REF_invokeStatic, member_reg, temp2);
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   388
      }
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   389
      __ ld_ptr(member_vmtarget, G5_method);
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   390
      break;
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   392
    case vmIntrinsics::_linkToVirtual:
9976
6fef34e63df1 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 9638
diff changeset
   393
    {
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   394
      // same as TemplateTable::invokevirtual,
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   395
      // minus the CP setup and profiling:
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   396
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   397
      if (VerifyMethodHandles) {
13881
a326d528f3e1 7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents: 13743
diff changeset
   398
        verify_ref_kind(_masm, JVM_REF_invokeVirtual, member_reg, temp2);
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   399
      }
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   400
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   401
      // pick out the vtable index from the MemberName, and then we can discard it:
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   402
      Register temp2_index = temp2;
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   403
      __ ld_ptr(member_vmindex, temp2_index);
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   404
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   405
      if (VerifyMethodHandles) {
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   406
        Label L_index_ok;
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   407
        __ cmp_and_br_short(temp2_index, (int) 0, Assembler::greaterEqual, Assembler::pn, L_index_ok);
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   408
        __ STOP("no virtual index");
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   409
        __ BIND(L_index_ok);
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   410
      }
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   411
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   412
      // Note:  The verifier invariants allow us to ignore MemberName.clazz and vmtarget
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   413
      // at this point.  And VerifyMethodHandles has already checked clazz, if needed.
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   414
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   415
      // get target Method* & entry point
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   416
      __ lookup_virtual_method(temp1_recv_klass, temp2_index, G5_method);
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   417
      break;
9976
6fef34e63df1 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 9638
diff changeset
   418
    }
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   419
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   420
    case vmIntrinsics::_linkToInterface:
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   421
    {
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   422
      // same as TemplateTable::invokeinterface
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   423
      // (minus the CP setup and profiling, with different argument motion)
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   424
      if (VerifyMethodHandles) {
13881
a326d528f3e1 7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents: 13743
diff changeset
   425
        verify_ref_kind(_masm, JVM_REF_invokeInterface, member_reg, temp2);
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   426
      }
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   427
13881
a326d528f3e1 7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents: 13743
diff changeset
   428
      Register temp2_intf = temp2;
a326d528f3e1 7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents: 13743
diff changeset
   429
      __ load_heap_oop(member_clazz, temp2_intf);
a326d528f3e1 7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents: 13743
diff changeset
   430
      load_klass_from_Class(_masm, temp2_intf, temp3, temp4);
a326d528f3e1 7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents: 13743
diff changeset
   431
      __ verify_klass_ptr(temp2_intf);
5416
5f6377fcfd3e 6829193: JSR 292 needs to support SPARC
twisti
parents: 2534
diff changeset
   432
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   433
      Register G5_index = G5_method;
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   434
      __ ld_ptr(member_vmindex, G5_index);
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   435
      if (VerifyMethodHandles) {
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   436
        Label L;
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   437
        __ cmp_and_br_short(G5_index, 0, Assembler::greaterEqual, Assembler::pt, L);
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   438
        __ STOP("invalid vtable index for MH.invokeInterface");
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   439
        __ bind(L);
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   440
      }
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   441
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   442
      // given intf, index, and recv klass, dispatch to the implementation method
13881
a326d528f3e1 7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents: 13743
diff changeset
   443
      __ lookup_interface_method(temp1_recv_klass, temp2_intf,
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   444
                                 // note: next two args must be the same:
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   445
                                 G5_index, G5_method,
13881
a326d528f3e1 7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents: 13743
diff changeset
   446
                                 temp3, temp4,
a326d528f3e1 7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents: 13743
diff changeset
   447
                                 L_incompatible_class_change_error);
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   448
      break;
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   449
    }
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   450
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   451
    default:
13881
a326d528f3e1 7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents: 13743
diff changeset
   452
      fatal(err_msg_res("unexpected intrinsic %d: %s", iid, vmIntrinsics::name_at(iid)));
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   453
      break;
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   454
    }
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   455
13881
a326d528f3e1 7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents: 13743
diff changeset
   456
    // Live at this point:
a326d528f3e1 7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents: 13743
diff changeset
   457
    //   G5_method
a326d528f3e1 7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents: 13743
diff changeset
   458
    //   O5_savedSP (if interpreted)
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   459
13881
a326d528f3e1 7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents: 13743
diff changeset
   460
    // After figuring out which concrete method to call, jump into it.
a326d528f3e1 7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents: 13743
diff changeset
   461
    // Note that this works in the interpreter with no data motion.
a326d528f3e1 7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents: 13743
diff changeset
   462
    // But the compiled version will require that rcx_recv be shifted out.
a326d528f3e1 7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents: 13743
diff changeset
   463
    __ verify_method_ptr(G5_method);
a326d528f3e1 7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents: 13743
diff changeset
   464
    jump_from_method_handle(_masm, G5_method, temp1, temp2, for_compiler_entry);
a326d528f3e1 7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents: 13743
diff changeset
   465
a326d528f3e1 7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents: 13743
diff changeset
   466
    if (iid == vmIntrinsics::_linkToInterface) {
a326d528f3e1 7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents: 13743
diff changeset
   467
      __ BIND(L_incompatible_class_change_error);
a326d528f3e1 7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents: 13743
diff changeset
   468
      AddressLiteral icce(StubRoutines::throw_IncompatibleClassChangeError_entry());
a326d528f3e1 7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents: 13743
diff changeset
   469
      __ jump_to(icce, temp1);
a326d528f3e1 7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents: 13743
diff changeset
   470
      __ delayed()->nop();
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   471
    }
9976
6fef34e63df1 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 9638
diff changeset
   472
  }
6fef34e63df1 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 9638
diff changeset
   473
}
5416
5f6377fcfd3e 6829193: JSR 292 needs to support SPARC
twisti
parents: 2534
diff changeset
   474
11571
23f825a42a85 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 11565
diff changeset
   475
#ifndef PRODUCT
5416
5f6377fcfd3e 6829193: JSR 292 needs to support SPARC
twisti
parents: 2534
diff changeset
   476
void trace_method_handle_stub(const char* adaptername,
9437
9981851b4b8c 7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents: 9326
diff changeset
   477
                              oopDesc* mh,
11571
23f825a42a85 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 11565
diff changeset
   478
                              intptr_t* saved_sp,
23f825a42a85 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 11565
diff changeset
   479
                              intptr_t* args,
23f825a42a85 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 11565
diff changeset
   480
                              intptr_t* tracing_fp) {
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   481
  bool has_mh = (strstr(adaptername, "/static") == NULL &&
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   482
                 strstr(adaptername, "linkTo") == NULL);    // static linkers don't have MH
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   483
  const char* mh_reg_name = has_mh ? "G3_mh" : "G3";
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   484
  tty->print_cr("MH %s %s="INTPTR_FORMAT " saved_sp=" INTPTR_FORMAT " args=" INTPTR_FORMAT,
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   485
                adaptername, mh_reg_name,
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   486
                (intptr_t) mh, saved_sp, args);
11571
23f825a42a85 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 11565
diff changeset
   487
23f825a42a85 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 11565
diff changeset
   488
  if (Verbose) {
23f825a42a85 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 11565
diff changeset
   489
    // dumping last frame with frame::describe
23f825a42a85 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 11565
diff changeset
   490
23f825a42a85 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 11565
diff changeset
   491
    JavaThread* p = JavaThread::active();
23f825a42a85 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 11565
diff changeset
   492
23f825a42a85 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 11565
diff changeset
   493
    ResourceMark rm;
23f825a42a85 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 11565
diff changeset
   494
    PRESERVE_EXCEPTION_MARK; // may not be needed by safer and unexpensive here
23f825a42a85 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 11565
diff changeset
   495
    FrameValues values;
23f825a42a85 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 11565
diff changeset
   496
23f825a42a85 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 11565
diff changeset
   497
    // Note: We want to allow trace_method_handle from any call site.
23f825a42a85 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 11565
diff changeset
   498
    // While trace_method_handle creates a frame, it may be entered
23f825a42a85 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 11565
diff changeset
   499
    // without a valid return PC in O7 (e.g. not just after a call).
23f825a42a85 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 11565
diff changeset
   500
    // Walking that frame could lead to failures due to that invalid PC.
23f825a42a85 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 11565
diff changeset
   501
    // => carefully detect that frame when doing the stack walking
23f825a42a85 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 11565
diff changeset
   502
23f825a42a85 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 11565
diff changeset
   503
    // walk up to the right frame using the "tracing_fp" argument
23f825a42a85 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 11565
diff changeset
   504
    intptr_t* cur_sp = StubRoutines::Sparc::flush_callers_register_windows_func()();
23f825a42a85 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 11565
diff changeset
   505
    frame cur_frame(cur_sp, frame::unpatchable, NULL);
23f825a42a85 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 11565
diff changeset
   506
23f825a42a85 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 11565
diff changeset
   507
    while (cur_frame.fp() != (intptr_t *)(STACK_BIAS+(uintptr_t)tracing_fp)) {
23f825a42a85 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 11565
diff changeset
   508
      cur_frame = os::get_sender_for_C_frame(&cur_frame);
23f825a42a85 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 11565
diff changeset
   509
    }
23f825a42a85 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 11565
diff changeset
   510
23f825a42a85 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 11565
diff changeset
   511
    // safely create a frame and call frame::describe
23f825a42a85 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 11565
diff changeset
   512
    intptr_t *dump_sp = cur_frame.sender_sp();
23f825a42a85 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 11565
diff changeset
   513
    intptr_t *dump_fp = cur_frame.link();
23f825a42a85 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 11565
diff changeset
   514
23f825a42a85 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 11565
diff changeset
   515
    bool walkable = has_mh; // whether the traced frame shoud be walkable
23f825a42a85 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 11565
diff changeset
   516
23f825a42a85 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 11565
diff changeset
   517
    // the sender for cur_frame is the caller of trace_method_handle
23f825a42a85 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 11565
diff changeset
   518
    if (walkable) {
23f825a42a85 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 11565
diff changeset
   519
      // The previous definition of walkable may have to be refined
23f825a42a85 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 11565
diff changeset
   520
      // if new call sites cause the next frame constructor to start
23f825a42a85 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 11565
diff changeset
   521
      // failing. Alternatively, frame constructors could be
23f825a42a85 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 11565
diff changeset
   522
      // modified to support the current or future non walkable
23f825a42a85 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 11565
diff changeset
   523
      // frames (but this is more intrusive and is not considered as
23f825a42a85 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 11565
diff changeset
   524
      // part of this RFE, which will instead use a simpler output).
23f825a42a85 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 11565
diff changeset
   525
      frame dump_frame = frame(dump_sp,
23f825a42a85 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 11565
diff changeset
   526
                               cur_frame.sp(), // younger_sp
23f825a42a85 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 11565
diff changeset
   527
                               false); // no adaptation
23f825a42a85 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 11565
diff changeset
   528
      dump_frame.describe(values, 1);
23f825a42a85 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 11565
diff changeset
   529
    } else {
23f825a42a85 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 11565
diff changeset
   530
      // Robust dump for frames which cannot be constructed from sp/younger_sp
23f825a42a85 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 11565
diff changeset
   531
      // Add descriptions without building a Java frame to avoid issues
23f825a42a85 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 11565
diff changeset
   532
      values.describe(-1, dump_fp, "fp for #1 <not parsed, cannot trust pc>");
23f825a42a85 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 11565
diff changeset
   533
      values.describe(-1, dump_sp, "sp");
23f825a42a85 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 11565
diff changeset
   534
    }
23f825a42a85 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 11565
diff changeset
   535
23f825a42a85 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 11565
diff changeset
   536
    bool has_args = has_mh; // whether Gargs is meaningful
23f825a42a85 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 11565
diff changeset
   537
23f825a42a85 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 11565
diff changeset
   538
    // mark args, if seems valid (may not be valid for some adapters)
23f825a42a85 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 11565
diff changeset
   539
    if (has_args) {
23f825a42a85 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 11565
diff changeset
   540
      if ((args >= dump_sp) && (args < dump_fp)) {
23f825a42a85 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 11565
diff changeset
   541
        values.describe(-1, args, "*G4_args");
23f825a42a85 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 11565
diff changeset
   542
      }
23f825a42a85 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 11565
diff changeset
   543
    }
23f825a42a85 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 11565
diff changeset
   544
23f825a42a85 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 11565
diff changeset
   545
    // mark saved_sp, if seems valid (may not be valid for some adapters)
23f825a42a85 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 11565
diff changeset
   546
    intptr_t *unbiased_sp = (intptr_t *)(STACK_BIAS+(uintptr_t)saved_sp);
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   547
    const int ARG_LIMIT = 255, SLOP = 45, UNREASONABLE_STACK_MOVE = (ARG_LIMIT + SLOP);
11571
23f825a42a85 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 11565
diff changeset
   548
    if ((unbiased_sp >= dump_sp - UNREASONABLE_STACK_MOVE) && (unbiased_sp < dump_fp)) {
23f825a42a85 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 11565
diff changeset
   549
      values.describe(-1, unbiased_sp, "*saved_sp+STACK_BIAS");
23f825a42a85 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 11565
diff changeset
   550
    }
23f825a42a85 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 11565
diff changeset
   551
23f825a42a85 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 11565
diff changeset
   552
    // Note: the unextended_sp may not be correct
23f825a42a85 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 11565
diff changeset
   553
    tty->print_cr("  stack layout:");
23f825a42a85 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 11565
diff changeset
   554
    values.print(p);
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   555
    if (has_mh && mh->is_oop()) {
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   556
      mh->print();
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   557
      if (java_lang_invoke_MethodHandle::is_instance(mh)) {
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   558
        if (java_lang_invoke_MethodHandle::form_offset_in_bytes() != 0)
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   559
          java_lang_invoke_MethodHandle::form(mh)->print();
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   560
      }
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11571
diff changeset
   561
    }
11571
23f825a42a85 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 11565
diff changeset
   562
  }
5416
5f6377fcfd3e 6829193: JSR 292 needs to support SPARC
twisti
parents: 2534
diff changeset
   563
}
11571
23f825a42a85 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 11565
diff changeset
   564
6775
633e4ce534ac 6987555: JSR 292 unboxing to a boolean value fails on big-endian SPARC
twisti
parents: 6772
diff changeset
   565
void MethodHandles::trace_method_handle(MacroAssembler* _masm, const char* adaptername) {
633e4ce534ac 6987555: JSR 292 unboxing to a boolean value fails on big-endian SPARC
twisti
parents: 6772
diff changeset
   566
  if (!TraceMethodHandles)  return;
633e4ce534ac 6987555: JSR 292 unboxing to a boolean value fails on big-endian SPARC
twisti
parents: 6772
diff changeset
   567
  BLOCK_COMMENT("trace_method_handle {");
633e4ce534ac 6987555: JSR 292 unboxing to a boolean value fails on big-endian SPARC
twisti
parents: 6772
diff changeset
   568
  // save: Gargs, O5_savedSP
11571
23f825a42a85 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 11565
diff changeset
   569
  __ save_frame(16); // need space for saving required FPU state
23f825a42a85 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 11565
diff changeset
   570
6775
633e4ce534ac 6987555: JSR 292 unboxing to a boolean value fails on big-endian SPARC
twisti
parents: 6772
diff changeset
   571
  __ set((intptr_t) adaptername, O0);
633e4ce534ac 6987555: JSR 292 unboxing to a boolean value fails on big-endian SPARC
twisti
parents: 6772
diff changeset
   572
  __ mov(G3_method_handle, O1);
9437
9981851b4b8c 7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents: 9326
diff changeset
   573
  __ mov(I5_savedSP, O2);
11571
23f825a42a85 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 11565
diff changeset
   574
  __ mov(Gargs, O3);
23f825a42a85 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 11565
diff changeset
   575
  __ mov(I6, O4); // frame identifier for safe stack walking
23f825a42a85 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 11565
diff changeset
   576
23f825a42a85 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 11565
diff changeset
   577
  // Save scratched registers that might be needed. Robustness is more
23f825a42a85 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 11565
diff changeset
   578
  // important than optimizing the saves for this debug only code.
23f825a42a85 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 11565
diff changeset
   579
23f825a42a85 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 11565
diff changeset
   580
  // save FP result, valid at some call sites (adapter_opt_return_float, ...)
23f825a42a85 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 11565
diff changeset
   581
  Address d_save(FP, -sizeof(jdouble) + STACK_BIAS);
23f825a42a85 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 11565
diff changeset
   582
  __ stf(FloatRegisterImpl::D, Ftos_d, d_save);
23f825a42a85 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 11565
diff changeset
   583
  // Safely save all globals but G2 (handled by call_VM_leaf) and G7
23f825a42a85 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 11565
diff changeset
   584
  // (OS reserved).
6775
633e4ce534ac 6987555: JSR 292 unboxing to a boolean value fails on big-endian SPARC
twisti
parents: 6772
diff changeset
   585
  __ mov(G3_method_handle, L3);
633e4ce534ac 6987555: JSR 292 unboxing to a boolean value fails on big-endian SPARC
twisti
parents: 6772
diff changeset
   586
  __ mov(Gargs, L4);
633e4ce534ac 6987555: JSR 292 unboxing to a boolean value fails on big-endian SPARC
twisti
parents: 6772
diff changeset
   587
  __ mov(G5_method_type, L5);
11571
23f825a42a85 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 11565
diff changeset
   588
  __ mov(G6, L6);
23f825a42a85 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 11565
diff changeset
   589
  __ mov(G1, L1);
23f825a42a85 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 11565
diff changeset
   590
23f825a42a85 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 11565
diff changeset
   591
  __ call_VM_leaf(L2 /* for G2 */, CAST_FROM_FN_PTR(address, trace_method_handle_stub));
6775
633e4ce534ac 6987555: JSR 292 unboxing to a boolean value fails on big-endian SPARC
twisti
parents: 6772
diff changeset
   592
633e4ce534ac 6987555: JSR 292 unboxing to a boolean value fails on big-endian SPARC
twisti
parents: 6772
diff changeset
   593
  __ mov(L3, G3_method_handle);
633e4ce534ac 6987555: JSR 292 unboxing to a boolean value fails on big-endian SPARC
twisti
parents: 6772
diff changeset
   594
  __ mov(L4, Gargs);
633e4ce534ac 6987555: JSR 292 unboxing to a boolean value fails on big-endian SPARC
twisti
parents: 6772
diff changeset
   595
  __ mov(L5, G5_method_type);
11571
23f825a42a85 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 11565
diff changeset
   596
  __ mov(L6, G6);
23f825a42a85 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 11565
diff changeset
   597
  __ mov(L1, G1);
23f825a42a85 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 11565
diff changeset
   598
  __ ldf(FloatRegisterImpl::D, d_save, Ftos_d);
23f825a42a85 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents: 11565
diff changeset
   599
6775
633e4ce534ac 6987555: JSR 292 unboxing to a boolean value fails on big-endian SPARC
twisti
parents: 6772
diff changeset
   600
  __ restore();
633e4ce534ac 6987555: JSR 292 unboxing to a boolean value fails on big-endian SPARC
twisti
parents: 6772
diff changeset
   601
  BLOCK_COMMENT("} trace_method_handle");
633e4ce534ac 6987555: JSR 292 unboxing to a boolean value fails on big-endian SPARC
twisti
parents: 6772
diff changeset
   602
}
5416
5f6377fcfd3e 6829193: JSR 292 needs to support SPARC
twisti
parents: 2534
diff changeset
   603
#endif // PRODUCT