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src/cpu/ppc/vm/methodHandles_ppc.hpp@41b780b43b74 (annotated)

src/cpu/ppc/vm/methodHandles_ppc.hpp

Wed, 27 Nov 2013 16:16:21 -0800

author

goetz

date

Wed, 27 Nov 2013 16:16:21 -0800

changeset 6490

41b780b43b74

parent 0

f90c822e73f8

permissions

-rw-r--r--

8029015: PPC64 (part 216): opto: trap based null and range checks
Summary: On PPC64 use tdi instruction that does a compare and raises SIGTRAP for NULL and range checks.
Reviewed-by: kvn

aoqi@0	1	/*
aoqi@0	2	* Copyright (c) 2002, 2013, Oracle and/or its affiliates. All rights reserved.
aoqi@0	3	* Copyright 2012, 2013 SAP AG. All rights reserved.
aoqi@0	4	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0	5	*
aoqi@0	6	* This code is free software; you can redistribute it and/or modify it
aoqi@0	7	* under the terms of the GNU General Public License version 2 only, as
aoqi@0	8	* published by the Free Software Foundation.
aoqi@0	9	*
aoqi@0	10	* This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0	11	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0	12	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
aoqi@0	13	* version 2 for more details (a copy is included in the LICENSE file that
aoqi@0	14	* accompanied this code).
aoqi@0	15	*
aoqi@0	16	* You should have received a copy of the GNU General Public License version
aoqi@0	17	* 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0	18	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0	19	*
aoqi@0	20	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0	21	* or visit www.oracle.com if you need additional information or have any
aoqi@0	22	* questions.
aoqi@0	23	*
aoqi@0	24	*/
aoqi@0	25
aoqi@0	26	// Platform-specific definitions for method handles.
aoqi@0	27	// These definitions are inlined into class MethodHandles.
aoqi@0	28
aoqi@0	29	// Adapters
aoqi@0	30	//static unsigned int adapter_code_size() {
aoqi@0	31	// return 32*K DEBUG_ONLY(+ 16*K) + (TraceMethodHandles ? 16*K : 0) + (VerifyMethodHandles ? 32*K : 0);
aoqi@0	32	//}
aoqi@0	33	enum /* platform_dependent_constants */ {
aoqi@0	34	adapter_code_size = NOT_LP64(16000 DEBUG_ONLY(+ 25000)) LP64_ONLY(32000 DEBUG_ONLY(+ 150000))
aoqi@0	35	};
aoqi@0	36
aoqi@0	37	// Additional helper methods for MethodHandles code generation:
aoqi@0	38	public:
aoqi@0	39	static void load_klass_from_Class(MacroAssembler* _masm, Register klass_reg, Register temp_reg, Register temp2_reg);
aoqi@0	40
aoqi@0	41	static void verify_klass(MacroAssembler* _masm,
aoqi@0	42	Register obj_reg, SystemDictionary::WKID klass_id,
aoqi@0	43	Register temp_reg, Register temp2_reg,
aoqi@0	44	const char* error_message = "wrong klass") NOT_DEBUG_RETURN;
aoqi@0	45
aoqi@0	46	static void verify_method_handle(MacroAssembler* _masm, Register mh_reg,
aoqi@0	47	Register temp_reg, Register temp2_reg) {
aoqi@0	48	Unimplemented();
aoqi@0	49	}
aoqi@0	50
aoqi@0	51	static void verify_ref_kind(MacroAssembler* _masm, int ref_kind, Register member_reg, Register temp) NOT_DEBUG_RETURN;
aoqi@0	52
aoqi@0	53	// Similar to InterpreterMacroAssembler::jump_from_interpreted.
aoqi@0	54	// Takes care of special dispatch from single stepping too.
aoqi@0	55	static void jump_from_method_handle(MacroAssembler* _masm, Register method,
aoqi@0	56	Register temp, Register temp2,
aoqi@0	57	bool for_compiler_entry);
aoqi@0	58
aoqi@0	59	static void jump_to_lambda_form(MacroAssembler* _masm,
aoqi@0	60	Register recv, Register method_temp,
aoqi@0	61	Register temp2, Register temp3,
aoqi@0	62	bool for_compiler_entry);