author | mikael |
Tue, 29 Apr 2014 22:05:10 -0700 (2014-04-30) | |
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parent 20298 | 861da81238ee |
child 24932 | 374cc5d929fb |
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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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||
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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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||
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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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|
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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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141 |
__ jmp(target, 0); |
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142 |
__ 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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147 |
|
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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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150 |
|
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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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156 |
|
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157 |
__ bind(L_no_such_method); |
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158 |
AddressLiteral ame(StubRoutines::throw_AbstractMethodError_entry()); |
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159 |
__ jump_to(ame, temp); |
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160 |
__ delayed()->nop(); |
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161 |
} |
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162 |
|
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163 |
void MethodHandles::jump_to_lambda_form(MacroAssembler* _masm, |
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Register recv, Register method_temp, |
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165 |
Register temp2, Register temp3, |
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166 |
bool for_compiler_entry) { |
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167 |
BLOCK_COMMENT("jump_to_lambda_form {"); |
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168 |
// 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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172 |
|
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//NOT_PRODUCT({ FlagSetting fs(TraceMethodHandles, true); trace_method_handle(_masm, "LZMH"); }); |
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174 |
|
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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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185 |
// 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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188 |
temp2, |
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sizeof(u2), /*is_signed*/ false); |
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190 |
// assert(sizeof(u2) == sizeof(Method::_size_of_parameters), ""); |
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191 |
Label L; |
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192 |
__ ld_ptr(__ argument_address(temp2, temp2, -1), temp2); |
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193 |
__ cmp_and_br_short(temp2, recv, Assembler::equal, Assembler::pt, L); |
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194 |
__ STOP("receiver not on stack"); |
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195 |
__ BIND(L); |
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196 |
} |
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197 |
|
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198 |
jump_from_method_handle(_masm, method_temp, temp2, temp3, for_compiler_entry); |
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199 |
BLOCK_COMMENT("} jump_to_lambda_form"); |
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200 |
} |
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201 |
|
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202 |
|
2534 | 203 |
// Code generation |
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204 |
address MethodHandles::generate_method_handle_interpreter_entry(MacroAssembler* _masm, |
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205 |
vmIntrinsics::ID iid) { |
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206 |
const bool not_for_compiler_entry = false; // this is the interpreter entry |
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207 |
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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210 |
// Perhaps surprisingly, the symbolic references visible to Java are not directly used. |
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211 |
// 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 |
} |
5416 | 216 |
|
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217 |
// I5_savedSP/O5_savedSP: sender SP (must preserve; see prepare_to_jump_from_interpreted) |
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218 |
// G5_method: Method* |
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219 |
// G4 (Gargs): incoming argument list (must preserve) |
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220 |
// O0: used as temp to hold mh or receiver |
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221 |
// O1, O4: garbage temps, blown away |
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222 |
Register O1_scratch = O1; |
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223 |
Register O4_param_size = O4; // size of parameters |
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224 |
|
5416 | 225 |
// here's where control starts out: |
226 |
__ align(CodeEntryAlignment); |
|
227 |
address entry_point = __ pc(); |
|
228 |
||
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229 |
if (VerifyMethodHandles) { |
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230 |
Label L; |
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231 |
BLOCK_COMMENT("verify_intrinsic_id {"); |
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__ 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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237 |
trace_method_handle(_masm, "bad Method*::intrinsic_id"); |
5416 | 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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244 |
// First task: Find out how big the argument list is. |
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245 |
Address O4_first_arg_addr; |
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246 |
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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250 |
__ load_sized_value(Address(O4_param_size, ConstMethod::size_of_parameters_offset()), |
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251 |
O4_param_size, |
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252 |
sizeof(u2), /*is_signed*/ false); |
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253 |
// assert(sizeof(u2) == sizeof(Method::_size_of_parameters), ""); |
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254 |
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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DEBUG_ONLY(O4_param_size = noreg); |
5416 | 263 |
} |
264 |
||
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265 |
// 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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__ mov(O0_mh, G3_method_handle); // make stub happy |
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trace_method_handle_interpreter_entry(_masm, iid); |
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271 |
} |
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272 |
|
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273 |
if (iid == vmIntrinsics::_invokeBasic) { |
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274 |
generate_method_handle_dispatch(_masm, iid, O0_mh, noreg, not_for_compiler_entry); |
5416 | 275 |
|
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276 |
} else { |
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277 |
// Adjust argument list by popping the trailing MemberName argument. |
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278 |
Register O0_recv = noreg; |
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279 |
if (MethodHandles::ref_kind_has_receiver(ref_kind)) { |
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280 |
// Load the receiver (not the MH; the actual MemberName's receiver) up from the interpreter stack. |
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281 |
__ ld_ptr(O4_first_arg_addr, O0_recv = O0); |
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282 |
DEBUG_ONLY(O4_param_size = noreg); |
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283 |
} |
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284 |
Register G5_member = G5_method; // MemberName ptr; incoming method ptr is dead now |
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285 |
__ ld_ptr(__ argument_address(constant(0)), G5_member); |
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286 |
__ add(Gargs, Interpreter::stackElementSize, Gargs); |
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287 |
generate_method_handle_dispatch(_masm, iid, O0_recv, G5_member, not_for_compiler_entry); |
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288 |
} |
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289 |
|
5416 | 290 |
return entry_point; |
2534 | 291 |
} |
292 |
||
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293 |
void MethodHandles::generate_method_handle_dispatch(MacroAssembler* _masm, |
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|
294 |
vmIntrinsics::ID iid, |
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295 |
Register receiver_reg, |
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296 |
Register member_reg, |
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|
297 |
bool for_compiler_entry) { |
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|
298 |
assert(is_signature_polymorphic(iid), "expected invoke iid"); |
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299 |
Register temp1 = (for_compiler_entry ? G1_scratch : O1); |
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300 |
Register temp2 = (for_compiler_entry ? G3_scratch : O2); |
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301 |
Register temp3 = (for_compiler_entry ? G4_scratch : O3); |
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302 |
Register temp4 = (for_compiler_entry ? noreg : O4); |
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|
303 |
if (for_compiler_entry) { |
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|
304 |
assert(receiver_reg == (iid == vmIntrinsics::_linkToStatic ? noreg : O0), "only valid assignment"); |
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|
305 |
assert_different_registers(temp1, O0, O1, O2, O3, O4, O5); |
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|
306 |
assert_different_registers(temp2, O0, O1, O2, O3, O4, O5); |
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|
307 |
assert_different_registers(temp3, O0, O1, O2, O3, O4, O5); |
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|
308 |
assert_different_registers(temp4, O0, O1, O2, O3, O4, O5); |
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|
309 |
} else { |
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|
310 |
assert_different_registers(temp1, temp2, temp3, temp4, O5_savedSP); // don't trash lastSP |
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|
311 |
} |
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312 |
if (receiver_reg != noreg) assert_different_registers(temp1, temp2, temp3, temp4, receiver_reg); |
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313 |
if (member_reg != noreg) assert_different_registers(temp1, temp2, temp3, temp4, member_reg); |
5416 | 314 |
|
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|
315 |
if (iid == vmIntrinsics::_invokeBasic) { |
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|
316 |
// indirect through MH.form.vmentry.vmtarget |
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317 |
jump_to_lambda_form(_masm, receiver_reg, G5_method, temp1, temp2, for_compiler_entry); |
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|
318 |
|
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|
319 |
} else { |
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|
320 |
// The method is a member invoker used by direct method handles. |
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|
321 |
if (VerifyMethodHandles) { |
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|
322 |
// make sure the trailing argument really is a MemberName (caller responsibility) |
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323 |
verify_klass(_masm, member_reg, SystemDictionary::WK_KLASS_ENUM_NAME(MemberName_klass), |
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|
324 |
temp1, temp2, |
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|
325 |
"MemberName required for invokeVirtual etc."); |
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|
326 |
} |
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|
327 |
|
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|
328 |
Address member_clazz( member_reg, NONZERO(java_lang_invoke_MemberName::clazz_offset_in_bytes())); |
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|
329 |
Address member_vmindex( member_reg, NONZERO(java_lang_invoke_MemberName::vmindex_offset_in_bytes())); |
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|
330 |
Address member_vmtarget( member_reg, NONZERO(java_lang_invoke_MemberName::vmtarget_offset_in_bytes())); |
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|
331 |
|
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|
332 |
Register temp1_recv_klass = temp1; |
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|
333 |
if (iid != vmIntrinsics::_linkToStatic) { |
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|
334 |
__ verify_oop(receiver_reg); |
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|
335 |
if (iid == vmIntrinsics::_linkToSpecial) { |
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|
336 |
// Don't actually load the klass; just null-check the receiver. |
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|
337 |
__ null_check(receiver_reg); |
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|
338 |
} else { |
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|
339 |
// load receiver klass itself |
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|
340 |
__ null_check(receiver_reg, oopDesc::klass_offset_in_bytes()); |
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|
341 |
__ load_klass(receiver_reg, temp1_recv_klass); |
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|
342 |
__ verify_klass_ptr(temp1_recv_klass); |
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|
343 |
} |
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|
344 |
BLOCK_COMMENT("check_receiver {"); |
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|
345 |
// The receiver for the MemberName must be in receiver_reg. |
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|
346 |
// Check the receiver against the MemberName.clazz |
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|
347 |
if (VerifyMethodHandles && iid == vmIntrinsics::_linkToSpecial) { |
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|
348 |
// Did not load it above... |
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|
349 |
__ load_klass(receiver_reg, temp1_recv_klass); |
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|
350 |
__ verify_klass_ptr(temp1_recv_klass); |
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|
351 |
} |
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|
352 |
if (VerifyMethodHandles && iid != vmIntrinsics::_linkToInterface) { |
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|
353 |
Label L_ok; |
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|
354 |
Register temp2_defc = temp2; |
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|
355 |
__ load_heap_oop(member_clazz, temp2_defc); |
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|
356 |
load_klass_from_Class(_masm, temp2_defc, temp3, temp4); |
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|
357 |
__ verify_klass_ptr(temp2_defc); |
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|
358 |
__ check_klass_subtype(temp1_recv_klass, temp2_defc, temp3, temp4, L_ok); |
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|
359 |
// If we get here, the type check failed! |
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|
360 |
__ STOP("receiver class disagrees with MemberName.clazz"); |
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|
361 |
__ bind(L_ok); |
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|
362 |
} |
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|
363 |
BLOCK_COMMENT("} check_receiver"); |
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|
364 |
} |
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|
365 |
if (iid == vmIntrinsics::_linkToSpecial || |
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|
366 |
iid == vmIntrinsics::_linkToStatic) { |
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|
367 |
DEBUG_ONLY(temp1_recv_klass = noreg); // these guys didn't load the recv_klass |
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|
368 |
} |
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|
369 |
|
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|
370 |
// Live registers at this point: |
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|
371 |
// member_reg - MemberName that was the trailing argument |
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|
372 |
// temp1_recv_klass - klass of stacked receiver, if needed |
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|
373 |
// O5_savedSP - interpreter linkage (if interpreted) |
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374 |
// O0..O5 - compiler arguments (if compiled) |
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|
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 | 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 | 474 |
|
11571
23f825a42a85
7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents:
11565
diff
changeset
|
475 |
#ifndef PRODUCT |
5416 | 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 | 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 | 603 |
#endif // PRODUCT |