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src/cpu/x86/vm/interp_masm_x86_32.hpp@44ef77ad417c (annotated)

src/cpu/x86/vm/interp_masm_x86_32.hpp

Wed, 17 Jun 2015 17:48:25 -0700

author

ascarpino

date

Wed, 17 Jun 2015 17:48:25 -0700

changeset 9788

44ef77ad417c

parent 5987

5ccbab1c69f3

child 6876

710a3c8b516e

permissions

-rw-r--r--

8073108: Use x86 and SPARC CPU instructions for GHASH acceleration
Reviewed-by: kvn, jrose, phh

duke@435	1	/*
jiangli@4936	2	* Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
duke@435	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@435	4	*
duke@435	5	* This code is free software; you can redistribute it and/or modify it
duke@435	6	* under the terms of the GNU General Public License version 2 only, as
duke@435	7	* published by the Free Software Foundation.
duke@435	8	*
duke@435	9	* This code is distributed in the hope that it will be useful, but WITHOUT
duke@435	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@435	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
duke@435	12	* version 2 for more details (a copy is included in the LICENSE file that
duke@435	13	* accompanied this code).
duke@435	14	*
duke@435	15	* You should have received a copy of the GNU General Public License version
duke@435	16	* 2 along with this work; if not, write to the Free Software Foundation,
duke@435	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@435	18	*
trims@1907	19	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
trims@1907	20	* or visit www.oracle.com if you need additional information or have any
trims@1907	21	* questions.
duke@435	22	*
duke@435	23	*/
duke@435	24
duke@435	25	#ifndef CC_INTERP
duke@435	26	protected:
duke@435	27	// Interpreter specific version of call_VM_base
duke@435	28	virtual void call_VM_leaf_base(
duke@435	29	address entry_point,
duke@435	30	int number_of_arguments
duke@435	31	);
duke@435	32
duke@435	33	virtual void call_VM_base(
duke@435	34	Register oop_result,
duke@435	35	Register java_thread,
duke@435	36	Register last_java_sp,
duke@435	37	address entry_point,
duke@435	38	int number_of_arguments,
duke@435	39	bool check_exceptions
duke@435	40	);
duke@435	41
duke@435	42	virtual void check_and_handle_popframe(Register java_thread);
duke@435	43	virtual void check_and_handle_earlyret(Register java_thread);
duke@435	44
duke@435	45	// base routine for all dispatches
duke@435	46	void dispatch_base(TosState state, address* table, bool verifyoop = true);
duke@435	47	#endif /* CC_INTERP */
duke@435	48
duke@435	49	public:
roland@5987	50	InterpreterMacroAssembler(CodeBuffer* code) : MacroAssembler(code), _locals_register(rdi), _bcp_register(rsi) {}
duke@435	51
duke@435	52	void load_earlyret_value(TosState state);
duke@435	53
duke@435	54	// Interpreter-specific registers
duke@435	55	#ifdef CC_INTERP
duke@435	56	void save_bcp() { /* not needed in c++ interpreter and harmless */ }
duke@435	57	void restore_bcp() { /* not needed in c++ interpreter and harmless */ }
duke@435	58
duke@435	59	// Helpers for runtime call arguments/results
duke@435	60	void get_method(Register reg);
duke@435	61
duke@435	62	#else
duke@435	63
never@739	64	void save_bcp() { movptr(Address(rbp, frame::interpreter_frame_bcx_offset * wordSize), rsi); }
never@739	65	void restore_bcp() { movptr(rsi, Address(rbp, frame::interpreter_frame_bcx_offset * wordSize)); }
never@739	66	void restore_locals() { movptr(rdi, Address(rbp, frame::interpreter_frame_locals_offset * wordSize)); }
duke@435	67
duke@435	68	// Helpers for runtime call arguments/results
never@739	69	void get_method(Register reg) { movptr(reg, Address(rbp, frame::interpreter_frame_method_offset * wordSize)); }
coleenp@4037	70	void get_const(Register reg) { get_method(reg); movptr(reg, Address(reg, Method::const_offset())); }
coleenp@4037	71	void get_constant_pool(Register reg) { get_const(reg); movptr(reg, Address(reg, ConstMethod::constants_offset())); }
coleenp@4037	72	void get_constant_pool_cache(Register reg) { get_constant_pool(reg); movptr(reg, Address(reg, ConstantPool::cache_offset_in_bytes())); }
coleenp@4037	73	void get_cpool_and_tags(Register cpool, Register tags) { get_constant_pool(cpool); movptr(tags, Address(cpool, ConstantPool::tags_offset_in_bytes()));
duke@435	74	}
duke@435	75	void get_unsigned_2_byte_index_at_bcp(Register reg, int bcp_offset);
jrose@1920	76	void get_cache_and_index_at_bcp(Register cache, Register index, int bcp_offset, size_t index_size = sizeof(u2));
twisti@3050	77	void get_cache_and_index_and_bytecode_at_bcp(Register cache, Register index, Register bytecode, int byte_no, int bcp_offset, size_t index_size = sizeof(u2));
jrose@1920	78	void get_cache_entry_pointer_at_bcp(Register cache, Register tmp, int bcp_offset, size_t index_size = sizeof(u2));
jrose@1920	79	void get_cache_index_at_bcp(Register index, int bcp_offset, size_t index_size = sizeof(u2));
jiangli@4936	80	void get_method_counters(Register method, Register mcs, Label& skip);
duke@435	81
coleenp@4037	82	// load cpool->resolved_references(index);
coleenp@4037	83	void load_resolved_reference_at_index(Register result, Register index);
coleenp@4037	84
duke@435	85	// Expression stack
duke@435	86	void f2ieee(); // truncate ftos to 32bits
duke@435	87	void d2ieee(); // truncate dtos to 64bits
duke@435	88
duke@435	89	void pop_ptr(Register r = rax);
duke@435	90	void pop_i(Register r = rax);
duke@435	91	void pop_l(Register lo = rax, Register hi = rdx);
duke@435	92	void pop_f();
duke@435	93	void pop_d();
duke@435	94
duke@435	95	void push_ptr(Register r = rax);
duke@435	96	void push_i(Register r = rax);
duke@435	97	void push_l(Register lo = rax, Register hi = rdx);
duke@435	98	void push_d(Register r = rax);
duke@435	99	void push_f();
duke@435	100
duke@435	101	void pop(TosState state); // transition vtos -> state
duke@435	102	void push(TosState state); // transition state -> vtos
duke@435	103
never@739	104	void pop(Register r ) { ((MacroAssembler*)this)->pop(r); }
never@739	105
never@739	106	void push(Register r ) { ((MacroAssembler*)this)->push(r); }
never@739	107	void push(int32_t imm ) { ((MacroAssembler*)this)->push(imm); }
never@739	108
never@739	109	// These are dummies to prevent surprise implicit conversions to Register
never@739	110	void pop(void* v ); // Add unimplemented ambiguous method
never@739	111	void push(void* v ); // Add unimplemented ambiguous method
never@739	112
twisti@1861	113	void empty_expression_stack() {
twisti@1861	114	movptr(rsp, Address(rbp, frame::interpreter_frame_monitor_block_top_offset * wordSize));
twisti@1861	115	// NULL last_sp until next java call
twisti@1861	116	movptr(Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize), NULL_WORD);
duke@435	117	}
duke@435	118
twisti@1861	119	// Helpers for swap and dup
twisti@1861	120	void load_ptr(int n, Register val);
twisti@1861	121	void store_ptr(int n, Register val);
duke@435	122
duke@435	123	// Generate a subtype check: branch to ok_is_subtype if sub_klass is
duke@435	124	// a subtype of super_klass. EAX holds the super_klass. Blows ECX
duke@435	125	// and EDI. Register sub_klass cannot be any of the above.
duke@435	126	void gen_subtype_check( Register sub_klass, Label &ok_is_subtype );
duke@435	127
duke@435	128	// Dispatching
duke@435	129	void dispatch_prolog(TosState state, int step = 0);
duke@435	130	void dispatch_epilog(TosState state, int step = 0);
duke@435	131	void dispatch_only(TosState state); // dispatch via rbx, (assume rbx, is loaded already)
duke@435	132	void dispatch_only_normal(TosState state); // dispatch normal table via rbx, (assume rbx, is loaded already)
duke@435	133	void dispatch_only_noverify(TosState state);
duke@435	134	void dispatch_next(TosState state, int step = 0); // load rbx, from [esi + step] and dispatch via rbx,
duke@435	135	void dispatch_via (TosState state, address* table); // load rbx, from [esi] and dispatch via rbx, and table
duke@435	136
duke@435	137
duke@435	138	// jump to an invoked target
jrose@1145	139	void prepare_to_jump_from_interpreted();
duke@435	140	void jump_from_interpreted(Register method, Register temp);
duke@435	141
duke@435	142	// Returning from interpreted functions
duke@435	143	//
duke@435	144	// Removes the current activation (incl. unlocking of monitors)
duke@435	145	// and sets up the return address. This code is also used for
duke@435	146	// exception unwindwing. In that case, we do not want to throw
duke@435	147	// IllegalMonitorStateExceptions, since that might get us into an
duke@435	148	// infinite rethrow exception loop.
duke@435	149	// Additionally this code is used for popFrame and earlyReturn.
duke@435	150	// In popFrame case we want to skip throwing an exception,
duke@435	151	// installing an exception, and notifying jvmdi.
duke@435	152	// In earlyReturn case we only want to skip throwing an exception
duke@435	153	// and installing an exception.
duke@435	154	void remove_activation(TosState state, Register ret_addr,
duke@435	155	bool throw_monitor_exception = true,
duke@435	156	bool install_monitor_exception = true,
duke@435	157	bool notify_jvmdi = true);
duke@435	158	#endif /* !CC_INTERP */
duke@435	159
duke@435	160	// Debugging
duke@435	161	void verify_oop(Register reg, TosState state = atos); // only if +VerifyOops && state == atos
duke@435	162	#ifndef CC_INTERP
duke@435	163	void verify_FPU(int stack_depth, TosState state = ftos); // only if +VerifyFPU && (state == ftos || state == dtos)
duke@435	164
duke@435	165	#endif /* !CC_INTERP */
duke@435	166
duke@435	167	// Object locking
duke@435	168	void lock_object (Register lock_reg);
duke@435	169	void unlock_object(Register lock_reg);
duke@435	170
duke@435	171	#ifndef CC_INTERP
duke@435	172
duke@435	173	// Interpreter profiling operations
duke@435	174	void set_method_data_pointer_for_bcp();
duke@435	175	void test_method_data_pointer(Register mdp, Label& zero_continue);
duke@435	176	void verify_method_data_pointer();
duke@435	177
duke@435	178	void set_mdp_data_at(Register mdp_in, int constant, Register value);
duke@435	179	void increment_mdp_data_at(Address data, bool decrement = false);
duke@435	180	void increment_mdp_data_at(Register mdp_in, int constant,
duke@435	181	bool decrement = false);
duke@435	182	void increment_mdp_data_at(Register mdp_in, Register reg, int constant,
duke@435	183	bool decrement = false);
iveresov@2138	184	void increment_mask_and_jump(Address counter_addr,
iveresov@2138	185	int increment, int mask,
iveresov@2138	186	Register scratch, bool preloaded,
iveresov@2138	187	Condition cond, Label* where);
duke@435	188	void set_mdp_flag_at(Register mdp_in, int flag_constant);
duke@435	189	void test_mdp_data_at(Register mdp_in, int offset, Register value,
duke@435	190	Register test_value_out,
duke@435	191	Label& not_equal_continue);
duke@435	192
duke@435	193	void record_klass_in_profile(Register receiver, Register mdp,
kvn@1641	194	Register reg2, bool is_virtual_call);
duke@435	195	void record_klass_in_profile_helper(Register receiver, Register mdp,
kvn@1641	196	Register reg2, int start_row,
kvn@1641	197	Label& done, bool is_virtual_call);
duke@435	198
duke@435	199	void update_mdp_by_offset(Register mdp_in, int offset_of_offset);
duke@435	200	void update_mdp_by_offset(Register mdp_in, Register reg, int offset_of_disp);
duke@435	201	void update_mdp_by_constant(Register mdp_in, int constant);
duke@435	202	void update_mdp_for_ret(Register return_bci);
duke@435	203
duke@435	204	void profile_taken_branch(Register mdp, Register bumped_count);
duke@435	205	void profile_not_taken_branch(Register mdp);
duke@435	206	void profile_call(Register mdp);
duke@435	207	void profile_final_call(Register mdp);
jrose@1161	208	void profile_virtual_call(Register receiver, Register mdp, Register scratch2,
jrose@1161	209	bool receiver_can_be_null = false);
duke@435	210	void profile_ret(Register return_bci, Register mdp);
duke@435	211	void profile_null_seen(Register mdp);
duke@435	212	void profile_typecheck(Register mdp, Register klass, Register scratch);
duke@435	213	void profile_typecheck_failed(Register mdp);
duke@435	214	void profile_switch_default(Register mdp);
duke@435	215	void profile_switch_case(Register index_in_scratch, Register mdp, Register scratch2);
duke@435	216
duke@435	217	#endif /* !CC_INTERP */
duke@435	218
duke@435	219	typedef enum { NotifyJVMTI, SkipNotifyJVMTI } NotifyMethodExitMode;
duke@435	220
duke@435	221	// support for jvmti
duke@435	222	void notify_method_entry();
duke@435	223	void notify_method_exit(TosState state, NotifyMethodExitMode mode);