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src/share/vm/interpreter/templateTable.hpp@710a3c8b516e (annotated)

src/share/vm/interpreter/templateTable.hpp

Tue, 08 Aug 2017 15:57:29 +0800

author

aoqi

date

Tue, 08 Aug 2017 15:57:29 +0800

changeset 6876

710a3c8b516e

parent 6512

fd1b9f02cc91

parent 1

2d8a650513c2

child 7994

04ff2f6cd0eb

permissions

-rw-r--r--

merge

aoqi@0	1	/*
aoqi@0	2	* Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
aoqi@0	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0	4	*
aoqi@0	5	* This code is free software; you can redistribute it and/or modify it
aoqi@0	6	* under the terms of the GNU General Public License version 2 only, as
aoqi@0	7	* published by the Free Software Foundation.
aoqi@0	8	*
aoqi@0	9	* This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
aoqi@0	12	* version 2 for more details (a copy is included in the LICENSE file that
aoqi@0	13	* accompanied this code).
aoqi@0	14	*
aoqi@0	15	* You should have received a copy of the GNU General Public License version
aoqi@0	16	* 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0	18	*
aoqi@0	19	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0	20	* or visit www.oracle.com if you need additional information or have any
aoqi@0	21	* questions.
aoqi@0	22	*
aoqi@0	23	*/
aoqi@0	24
aoqi@1	25	/*
aoqi@1	26	* This file has been modified by Loongson Technology in 2015. These
aoqi@1	27	* modifications are Copyright (c) 2015 Loongson Technology, and are made
aoqi@1	28	* available on the same license terms set forth above.
aoqi@1	29	*/
aoqi@1	30
aoqi@0	31	#ifndef SHARE_VM_INTERPRETER_TEMPLATETABLE_HPP
aoqi@0	32	#define SHARE_VM_INTERPRETER_TEMPLATETABLE_HPP
aoqi@0	33
aoqi@0	34	#include "interpreter/bytecodes.hpp"
aoqi@0	35	#include "memory/allocation.hpp"
aoqi@0	36	#include "runtime/frame.hpp"
aoqi@0	37	#ifdef TARGET_ARCH_x86
aoqi@0	38	# include "interp_masm_x86.hpp"
aoqi@0	39	#endif
aoqi@1	40	#ifdef TARGET_ARCH_MODEL_mips_64
aoqi@1	41	# include "interp_masm_mips_64.hpp"
aoqi@1	42	#endif
aoqi@0	43	#ifdef TARGET_ARCH_MODEL_sparc
aoqi@0	44	# include "interp_masm_sparc.hpp"
aoqi@0	45	#endif
aoqi@0	46	#ifdef TARGET_ARCH_MODEL_zero
aoqi@0	47	# include "interp_masm_zero.hpp"
aoqi@0	48	#endif
aoqi@0	49	#ifdef TARGET_ARCH_MODEL_arm
aoqi@0	50	# include "interp_masm_arm.hpp"
aoqi@0	51	#endif
aoqi@0	52	#ifdef TARGET_ARCH_MODEL_ppc_32
aoqi@0	53	# include "interp_masm_ppc_32.hpp"
aoqi@0	54	#endif
aoqi@0	55	#ifdef TARGET_ARCH_MODEL_ppc_64
aoqi@0	56	# include "interp_masm_ppc_64.hpp"
aoqi@0	57	#endif
aoqi@0	58
aoqi@0	59	#ifndef CC_INTERP
aoqi@0	60	// All the necessary definitions used for (bytecode) template generation. Instead of
aoqi@0	61	// spreading the implementation functionality for each bytecode in the interpreter
aoqi@0	62	// and the snippet generator, a template is assigned to each bytecode which can be
aoqi@0	63	// used to generate the bytecode's implementation if needed.
aoqi@0	64
aoqi@0	65
aoqi@0	66	// A Template describes the properties of a code template for a given bytecode
aoqi@0	67	// and provides a generator to generate the code template.
aoqi@0	68
aoqi@0	69	class Template VALUE_OBJ_CLASS_SPEC {
aoqi@0	70	private:
aoqi@0	71	enum Flags {
aoqi@0	72	uses_bcp_bit, // set if template needs the bcp pointing to bytecode
aoqi@0	73	does_dispatch_bit, // set if template dispatches on its own
aoqi@0	74	calls_vm_bit, // set if template calls the vm
aoqi@0	75	wide_bit // set if template belongs to a wide instruction
aoqi@0	76	};
aoqi@0	77
aoqi@0	78	typedef void (*generator)(int arg);
aoqi@0	79
aoqi@0	80	int _flags; // describes interpreter template properties (bcp unknown)
aoqi@0	81	TosState _tos_in; // tos cache state before template execution
aoqi@0	82	TosState _tos_out; // tos cache state after template execution
aoqi@0	83	generator _gen; // template code generator
aoqi@0	84	int _arg; // argument for template code generator
aoqi@0	85
aoqi@0	86	void initialize(int flags, TosState tos_in, TosState tos_out, generator gen, int arg);
aoqi@0	87
aoqi@0	88	friend class TemplateTable;
aoqi@0	89
aoqi@0	90	public:
aoqi@0	91	Bytecodes::Code bytecode() const;
aoqi@0	92	bool is_valid() const { return _gen != NULL; }
aoqi@0	93	bool uses_bcp() const { return (_flags & (1 << uses_bcp_bit )) != 0; }
aoqi@0	94	bool does_dispatch() const { return (_flags & (1 << does_dispatch_bit)) != 0; }
aoqi@0	95	bool calls_vm() const { return (_flags & (1 << calls_vm_bit )) != 0; }
aoqi@0	96	bool is_wide() const { return (_flags & (1 << wide_bit )) != 0; }
aoqi@0	97	TosState tos_in() const { return _tos_in; }
aoqi@0	98	TosState tos_out() const { return _tos_out; }
aoqi@0	99	void generate(InterpreterMacroAssembler* masm);
aoqi@0	100	};
aoqi@0	101
aoqi@0	102
aoqi@0	103	// The TemplateTable defines all Templates and provides accessor functions
aoqi@0	104	// to get the template for a given bytecode.
aoqi@0	105
aoqi@0	106	class TemplateTable: AllStatic {
aoqi@0	107	public:
aoqi@0	108	enum Operation { add, sub, mul, div, rem, _and, _or, _xor, shl, shr, ushr };
aoqi@0	109	enum Condition { equal, not_equal, less, less_equal, greater, greater_equal };
aoqi@0	110	enum CacheByte { f1_byte = 1, f2_byte = 2 }; // byte_no codes
aoqi@0	111
aoqi@0	112	private:
aoqi@0	113	static bool _is_initialized; // true if TemplateTable has been initialized
aoqi@0	114	static Template _template_table [Bytecodes::number_of_codes];
aoqi@0	115	static Template _template_table_wide[Bytecodes::number_of_codes];
aoqi@0	116
aoqi@0	117	static Template* _desc; // the current template to be generated
aoqi@0	118	static Bytecodes::Code bytecode() { return _desc->bytecode(); }
aoqi@0	119
aoqi@0	120	static BarrierSet* _bs; // Cache the barrier set.
aoqi@0	121	public:
aoqi@0	122	//%note templates_1
aoqi@0	123	static InterpreterMacroAssembler* _masm; // the assembler used when generating templates
aoqi@0	124
aoqi@0	125	private:
aoqi@0	126
aoqi@0	127	// special registers
aoqi@0	128	static inline Address at_bcp(int offset);
aoqi@0	129
aoqi@0	130	// helpers
aoqi@0	131	static void unimplemented_bc();
aoqi@0	132	static void patch_bytecode(Bytecodes::Code bc, Register bc_reg,
aoqi@0	133	Register temp_reg, bool load_bc_into_bc_reg = true, int byte_no = -1);
aoqi@0	134
aoqi@0	135	// C calls
aoqi@0	136	static void call_VM(Register oop_result, address entry_point);
aoqi@0	137	static void call_VM(Register oop_result, address entry_point, Register arg_1);
aoqi@0	138	static void call_VM(Register oop_result, address entry_point, Register arg_1, Register arg_2);
aoqi@0	139	static void call_VM(Register oop_result, address entry_point, Register arg_1, Register arg_2, Register arg_3);
aoqi@0	140
aoqi@0	141	// these overloadings are not presently used on SPARC:
aoqi@0	142	static void call_VM(Register oop_result, Register last_java_sp, address entry_point);
aoqi@0	143	static void call_VM(Register oop_result, Register last_java_sp, address entry_point, Register arg_1);
aoqi@0	144	static void call_VM(Register oop_result, Register last_java_sp, address entry_point, Register arg_1, Register arg_2);
aoqi@0	145	static void call_VM(Register oop_result, Register last_java_sp, address entry_point, Register arg_1, Register arg_2, Register arg_3);
aoqi@0	146
aoqi@0	147	// bytecodes
aoqi@0	148	static void nop();
aoqi@0	149
aoqi@0	150	static void aconst_null();
aoqi@0	151	static void iconst(int value);
aoqi@0	152	static void lconst(int value);
aoqi@0	153	static void fconst(int value);
aoqi@0	154	static void dconst(int value);
aoqi@0	155
aoqi@0	156	static void bipush();
aoqi@0	157	static void sipush();
aoqi@0	158	static void ldc(bool wide);
aoqi@0	159	static void ldc2_w();
aoqi@0	160	static void fast_aldc(bool wide);
aoqi@0	161
aoqi@0	162	static void locals_index(Register reg, int offset = 1);
aoqi@0	163	static void iload();
aoqi@0	164	static void fast_iload();
aoqi@0	165	static void fast_iload2();
aoqi@0	166	static void fast_icaload();
aoqi@0	167	static void lload();
aoqi@0	168	static void fload();
aoqi@0	169	static void dload();
aoqi@0	170	static void aload();
aoqi@0	171
aoqi@0	172	static void locals_index_wide(Register reg);
aoqi@0	173	static void wide_iload();
aoqi@0	174	static void wide_lload();
aoqi@0	175	static void wide_fload();
aoqi@0	176	static void wide_dload();
aoqi@0	177	static void wide_aload();
aoqi@0	178
aoqi@0	179	static void iaload();
aoqi@0	180	static void laload();
aoqi@0	181	static void faload();
aoqi@0	182	static void daload();
aoqi@0	183	static void aaload();
aoqi@0	184	static void baload();
aoqi@0	185	static void caload();
aoqi@0	186	static void saload();
aoqi@0	187
aoqi@0	188	static void iload(int n);
aoqi@0	189	static void lload(int n);
aoqi@0	190	static void fload(int n);
aoqi@0	191	static void dload(int n);
aoqi@0	192	static void aload(int n);
aoqi@0	193	static void aload_0();
aoqi@0	194
aoqi@0	195	static void istore();
aoqi@0	196	static void lstore();
aoqi@0	197	static void fstore();
aoqi@0	198	static void dstore();
aoqi@0	199	static void astore();
aoqi@0	200
aoqi@0	201	static void wide_istore();
aoqi@0	202	static void wide_lstore();
aoqi@0	203	static void wide_fstore();
aoqi@0	204	static void wide_dstore();
aoqi@0	205	static void wide_astore();
aoqi@0	206
aoqi@0	207	static void iastore();
aoqi@0	208	static void lastore();
aoqi@0	209	static void fastore();
aoqi@0	210	static void dastore();
aoqi@0	211	static void aastore();
aoqi@0	212	static void bastore();
aoqi@0	213	static void castore();
aoqi@0	214	static void sastore();
aoqi@0	215
aoqi@0	216	static void istore(int n);
aoqi@0	217	static void lstore(int n);
aoqi@0	218	static void fstore(int n);
aoqi@0	219	static void dstore(int n);
aoqi@0	220	static void astore(int n);
aoqi@0	221
aoqi@0	222	static void pop();
aoqi@0	223	static void pop2();
aoqi@0	224	static void dup();
aoqi@0	225	static void dup_x1();
aoqi@0	226	static void dup_x2();
aoqi@0	227	static void dup2();
aoqi@0	228	static void dup2_x1();
aoqi@0	229	static void dup2_x2();
aoqi@0	230	static void swap();
aoqi@0	231
aoqi@0	232	static void iop2(Operation op);
aoqi@0	233	static void lop2(Operation op);
aoqi@0	234	static void fop2(Operation op);
aoqi@0	235	static void dop2(Operation op);
aoqi@0	236
aoqi@0	237	static void idiv();
aoqi@0	238	static void irem();
aoqi@0	239
aoqi@0	240	static void lmul();
aoqi@0	241	static void ldiv();
aoqi@0	242	static void lrem();
aoqi@0	243	static void lshl();
aoqi@0	244	static void lshr();
aoqi@0	245	static void lushr();
aoqi@0	246
aoqi@0	247	static void ineg();
aoqi@0	248	static void lneg();
aoqi@0	249	static void fneg();
aoqi@0	250	static void dneg();
aoqi@0	251
aoqi@0	252	static void iinc();
aoqi@0	253	static void wide_iinc();
aoqi@0	254	static void convert();
aoqi@0	255	static void lcmp();
aoqi@0	256
aoqi@0	257	static void float_cmp (bool is_float, int unordered_result);
aoqi@0	258	static void float_cmp (int unordered_result);
aoqi@0	259	static void double_cmp(int unordered_result);
aoqi@0	260
aoqi@0	261	static void count_calls(Register method, Register temp);
aoqi@0	262	static void branch(bool is_jsr, bool is_wide);
aoqi@0	263	static void if_0cmp (Condition cc);
aoqi@0	264	static void if_icmp (Condition cc);
aoqi@0	265	static void if_nullcmp(Condition cc);
aoqi@0	266	static void if_acmp (Condition cc);
aoqi@0	267
aoqi@0	268	static void _goto();
aoqi@0	269	static void jsr();
aoqi@0	270	static void ret();
aoqi@0	271	static void wide_ret();
aoqi@0	272
aoqi@0	273	static void goto_w();
aoqi@0	274	static void jsr_w();
aoqi@0	275
aoqi@0	276	static void tableswitch();
aoqi@0	277	static void lookupswitch();
aoqi@0	278	static void fast_linearswitch();
aoqi@0	279	static void fast_binaryswitch();
aoqi@0	280
aoqi@0	281	static void _return(TosState state);
aoqi@0	282
aoqi@0	283	static void resolve_cache_and_index(int byte_no, // one of 1,2,11
aoqi@0	284	Register cache, // output for CP cache
aoqi@0	285	Register index, // output for CP index
aoqi@0	286	size_t index_size); // one of 1,2,4
aoqi@0	287	static void load_invoke_cp_cache_entry(int byte_no,
aoqi@0	288	Register method,
aoqi@0	289	Register itable_index,
aoqi@0	290	Register flags,
aoqi@0	291	bool is_invokevirtual,
aoqi@0	292	bool is_virtual_final,
aoqi@0	293	bool is_invokedynamic);
aoqi@0	294	static void load_field_cp_cache_entry(Register obj,
aoqi@0	295	Register cache,
aoqi@0	296	Register index,
aoqi@0	297	Register offset,
aoqi@0	298	Register flags,
aoqi@0	299	bool is_static);
aoqi@0	300	static void invokevirtual(int byte_no);
aoqi@0	301	static void invokespecial(int byte_no);
aoqi@0	302	static void invokestatic(int byte_no);
aoqi@0	303	static void invokeinterface(int byte_no);
aoqi@0	304	static void invokedynamic(int byte_no);
aoqi@0	305	static void invokehandle(int byte_no);
aoqi@0	306	static void fast_invokevfinal(int byte_no);
aoqi@0	307
aoqi@0	308	static void getfield_or_static(int byte_no, bool is_static);
aoqi@0	309	static void putfield_or_static(int byte_no, bool is_static);
aoqi@0	310	static void getfield(int byte_no);
aoqi@0	311	static void putfield(int byte_no);
aoqi@0	312	static void getstatic(int byte_no);
aoqi@0	313	static void putstatic(int byte_no);
aoqi@0	314	static void pop_and_check_object(Register obj);
aoqi@0	315
aoqi@0	316	static void _new();
aoqi@0	317	static void newarray();
aoqi@0	318	static void anewarray();
aoqi@0	319	static void arraylength();
aoqi@0	320	static void checkcast();
aoqi@0	321	static void instanceof();
aoqi@0	322
aoqi@0	323	static void athrow();
aoqi@0	324
aoqi@0	325	static void monitorenter();
aoqi@0	326	static void monitorexit();
aoqi@0	327
aoqi@0	328	static void wide();
aoqi@0	329	static void multianewarray();
aoqi@0	330
aoqi@0	331	static void fast_xaccess(TosState state);
aoqi@0	332	static void fast_accessfield(TosState state);
aoqi@0	333	static void fast_storefield(TosState state);
aoqi@0	334
aoqi@0	335	static void _breakpoint();
aoqi@0	336
aoqi@0	337	static void shouldnotreachhere();
aoqi@0	338
aoqi@0	339	// jvmti support
aoqi@0	340	static void jvmti_post_field_access(Register cache, Register index, bool is_static, bool has_tos);
aoqi@0	341	static void jvmti_post_field_mod(Register cache, Register index, bool is_static);
aoqi@0	342	static void jvmti_post_fast_field_mod();
aoqi@0	343
aoqi@0	344	// debugging of TemplateGenerator
aoqi@0	345	static void transition(TosState tos_in, TosState tos_out);// checks if in/out states expected by template generator correspond to table entries
aoqi@0	346
aoqi@0	347	// initialization helpers
aoqi@0	348	static void def(Bytecodes::Code code, int flags, TosState in, TosState out, void (*gen)( ), char filler );
aoqi@0	349	static void def(Bytecodes::Code code, int flags, TosState in, TosState out, void (*gen)(int arg ), int arg );
aoqi@0	350	static void def(Bytecodes::Code code, int flags, TosState in, TosState out, void (*gen)(bool arg ), bool arg );
aoqi@0	351	static void def(Bytecodes::Code code, int flags, TosState in, TosState out, void (*gen)(TosState tos), TosState tos);
aoqi@0	352	static void def(Bytecodes::Code code, int flags, TosState in, TosState out, void (*gen)(Operation op), Operation op);
aoqi@0	353	static void def(Bytecodes::Code code, int flags, TosState in, TosState out, void (*gen)(Condition cc), Condition cc);
aoqi@0	354
aoqi@0	355	friend class Template;
aoqi@0	356
aoqi@0	357	// InterpreterMacroAssembler::is_a(), etc., need TemplateTable::call_VM().
aoqi@0	358	friend class InterpreterMacroAssembler;
aoqi@0	359
aoqi@0	360	public:
aoqi@0	361	// Initialization
aoqi@0	362	static void initialize();
aoqi@0	363	static void pd_initialize();
aoqi@0	364
aoqi@0	365	// Templates
aoqi@0	366	static Template* template_for (Bytecodes::Code code) { Bytecodes::check (code); return &_template_table [code]; }
aoqi@0	367	static Template* template_for_wide(Bytecodes::Code code) { Bytecodes::wide_check(code); return &_template_table_wide[code]; }
aoqi@0	368
aoqi@0	369	// Platform specifics
aoqi@0	370	#ifdef TARGET_ARCH_MODEL_x86_32
aoqi@0	371	# include "templateTable_x86_32.hpp"
aoqi@0	372	#endif
aoqi@0	373	#ifdef TARGET_ARCH_MODEL_x86_64
aoqi@0	374	# include "templateTable_x86_64.hpp"
aoqi@0	375	#endif
aoqi@1	376	#ifdef TARGET_ARCH_MODEL_mips_64
aoqi@1	377	# include "templateTable_mips_64.hpp"
aoqi@1	378	#endif
aoqi@0	379	#ifdef TARGET_ARCH_MODEL_sparc
aoqi@0	380	# include "templateTable_sparc.hpp"
aoqi@0	381	#endif
aoqi@0	382	#ifdef TARGET_ARCH_MODEL_zero
aoqi@0	383	# include "templateTable_zero.hpp"
aoqi@0	384	#endif
aoqi@0	385	#ifdef TARGET_ARCH_MODEL_arm
aoqi@0	386	# include "templateTable_arm.hpp"
aoqi@0	387	#endif
aoqi@0	388	#ifdef TARGET_ARCH_MODEL_ppc_32
aoqi@0	389	# include "templateTable_ppc_32.hpp"
aoqi@0	390	#endif
aoqi@0	391	#ifdef TARGET_ARCH_MODEL_ppc_64
aoqi@0	392	# include "templateTable_ppc_64.hpp"
aoqi@0	393	#endif
aoqi@0	394
aoqi@0	395	};
aoqi@0	396	#endif /* !CC_INTERP */
aoqi@0	397
aoqi@0	398	#endif // SHARE_VM_INTERPRETER_TEMPLATETABLE_HPP