• file
• revisions
• annotate
• diff
• comparison
• raw

src/cpu/x86/vm/methodHandles_x86.hpp@1d7922586cf6 (annotated)

src/cpu/x86/vm/methodHandles_x86.hpp

Tue, 24 Jul 2012 10:51:00 -0700

author

twisti

date

Tue, 24 Jul 2012 10:51:00 -0700

changeset 3969

1d7922586cf6

parent 3451

5dbed2f542ff

child 4037

da91efe96a93

permissions

-rw-r--r--

7023639: JSR 292 method handle invocation needs a fast path for compiled code
6984705: JSR 292 method handle creation should not go through JNI
Summary: remove assembly code for JDK 7 chained method handles
Reviewed-by: jrose, twisti, kvn, mhaupt
Contributed-by: John Rose <john.r.rose@oracle.com>, Christian Thalinger <christian.thalinger@oracle.com>, Michael Haupt <michael.haupt@oracle.com>

never@2895	1	/*
bdelsart@3445	2	* Copyright (c) 2010, 2012, Oracle and/or its affiliates. All rights reserved.
never@2895	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
never@2895	4	*
never@2895	5	* This code is free software; you can redistribute it and/or modify it
never@2895	6	* under the terms of the GNU General Public License version 2 only, as
never@2895	7	* published by the Free Software Foundation.
never@2895	8	*
never@2895	9	* This code is distributed in the hope that it will be useful, but WITHOUT
never@2895	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
never@2895	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
never@2895	12	* version 2 for more details (a copy is included in the LICENSE file that
never@2895	13	* accompanied this code).
never@2895	14	*
never@2895	15	* You should have received a copy of the GNU General Public License version
never@2895	16	* 2 along with this work; if not, write to the Free Software Foundation,
never@2895	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
never@2895	18	*
never@2895	19	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
never@2895	20	* or visit www.oracle.com if you need additional information or have any
never@2895	21	* questions.
never@2895	22	*
never@2895	23	*/
never@2895	24
never@2895	25	// Platform-specific definitions for method handles.
never@2895	26	// These definitions are inlined into class MethodHandles.
never@2895	27
never@2950	28	// Adapters
never@2950	29	enum /* platform_dependent_constants */ {
twisti@3969	30	adapter_code_size = NOT_LP64(16000 DEBUG_ONLY(+ 25000)) LP64_ONLY(32000 DEBUG_ONLY(+ 150000))
never@2895	31	};
never@2895	32
never@2895	33	// Additional helper methods for MethodHandles code generation:
never@2895	34	public:
never@2895	35	static void load_klass_from_Class(MacroAssembler* _masm, Register klass_reg);
never@2895	36
never@2895	37	static void verify_klass(MacroAssembler* _masm,
never@2895	38	Register obj, KlassHandle klass,
never@2895	39	const char* error_message = "wrong klass") NOT_DEBUG_RETURN;
never@2895	40
never@2895	41	static void verify_method_handle(MacroAssembler* _masm, Register mh_reg) {
never@2895	42	verify_klass(_masm, mh_reg, SystemDictionaryHandles::MethodHandle_klass(),
never@2895	43	"reference is a MH");
never@2895	44	}
never@2895	45
twisti@3969	46	static void verify_ref_kind(MacroAssembler* _masm, int ref_kind, Register member_reg, Register temp) NOT_DEBUG_RETURN;
twisti@3969	47
never@3005	48	// Similar to InterpreterMacroAssembler::jump_from_interpreted.
never@3005	49	// Takes care of special dispatch from single stepping too.
twisti@3969	50	static void jump_from_method_handle(MacroAssembler* _masm, Register method, Register temp,
twisti@3969	51	bool for_compiler_entry);
twisti@3969	52
twisti@3969	53	static void jump_to_lambda_form(MacroAssembler* _masm,
twisti@3969	54	Register recv, Register method_temp,
twisti@3969	55	Register temp2,
twisti@3969	56	bool for_compiler_entry);
never@3005	57
never@2895	58	static void trace_method_handle(MacroAssembler* _masm, const char* adaptername) PRODUCT_RETURN;
never@2895	59
never@2895	60	static Register saved_last_sp_register() {
never@2895	61	// Should be in sharedRuntime, not here.
never@2895	62	return LP64_ONLY(r13) NOT_LP64(rsi);
never@2895	63	}