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

src/cpu/x86/vm/interp_masm_x86_64.hpp@f1c12354c3f7 (annotated)

src/cpu/x86/vm/interp_masm_x86_64.hpp

Tue, 02 Aug 2011 18:36:40 +0200

author

roland

date

Tue, 02 Aug 2011 18:36:40 +0200

changeset 3047

f1c12354c3f7

parent 2868

2e038ad0c1d0

child 3050

fdb992d83a87

permissions

-rw-r--r--

7074017: Introduce MemBarAcquireLock/MemBarReleaseLock nodes for monitor enter/exit code paths
Summary: replace MemBarAcquire/MemBarRelease nodes on the monitor enter/exit code paths with new MemBarAcquireLock/MemBarReleaseLock nodes
Reviewed-by: kvn, twisti

duke@435	1	/*
never@2868	2	* Copyright (c) 2003, 2011, 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
stefank@2314	25	#ifndef CPU_X86_VM_INTERP_MASM_X86_64_HPP
stefank@2314	26	#define CPU_X86_VM_INTERP_MASM_X86_64_HPP
stefank@2314	27
stefank@2314	28	#include "assembler_x86.inline.hpp"
stefank@2314	29	#include "interpreter/invocationCounter.hpp"
stefank@2314	30
duke@435	31	// This file specializes the assember with interpreter-specific macros
duke@435	32
duke@435	33
never@739	34	class InterpreterMacroAssembler: public MacroAssembler {
never@739	35	#ifndef CC_INTERP
duke@435	36	protected:
duke@435	37	// Interpreter specific version of call_VM_base
duke@435	38	virtual void call_VM_leaf_base(address entry_point,
duke@435	39	int number_of_arguments);
duke@435	40
duke@435	41	virtual void call_VM_base(Register oop_result,
duke@435	42	Register java_thread,
duke@435	43	Register last_java_sp,
duke@435	44	address entry_point,
duke@435	45	int number_of_arguments,
duke@435	46	bool check_exceptions);
duke@435	47
duke@435	48	virtual void check_and_handle_popframe(Register java_thread);
duke@435	49	virtual void check_and_handle_earlyret(Register java_thread);
duke@435	50
duke@435	51	// base routine for all dispatches
duke@435	52	void dispatch_base(TosState state, address* table, bool verifyoop = true);
never@739	53	#endif // CC_INTERP
duke@435	54
duke@435	55	public:
never@739	56	InterpreterMacroAssembler(CodeBuffer* code) : MacroAssembler(code) {}
duke@435	57
duke@435	58	void load_earlyret_value(TosState state);
duke@435	59
never@739	60	#ifdef CC_INTERP
never@739	61	void save_bcp() { /* not needed in c++ interpreter and harmless */ }
never@739	62	void restore_bcp() { /* not needed in c++ interpreter and harmless */ }
never@739	63
never@739	64	// Helpers for runtime call arguments/results
never@739	65	void get_method(Register reg);
never@739	66
never@739	67	#else
never@739	68
duke@435	69	// Interpreter-specific registers
never@739	70	void save_bcp() {
never@739	71	movptr(Address(rbp, frame::interpreter_frame_bcx_offset * wordSize), r13);
duke@435	72	}
duke@435	73
never@739	74	void restore_bcp() {
never@739	75	movptr(r13, Address(rbp, frame::interpreter_frame_bcx_offset * wordSize));
duke@435	76	}
duke@435	77
never@739	78	void restore_locals() {
never@739	79	movptr(r14, Address(rbp, frame::interpreter_frame_locals_offset * wordSize));
duke@435	80	}
duke@435	81
duke@435	82	// Helpers for runtime call arguments/results
never@739	83	void get_method(Register reg) {
never@739	84	movptr(reg, Address(rbp, frame::interpreter_frame_method_offset * wordSize));
duke@435	85	}
duke@435	86
never@739	87	void get_constant_pool(Register reg) {
duke@435	88	get_method(reg);
never@739	89	movptr(reg, Address(reg, methodOopDesc::constants_offset()));
duke@435	90	}
duke@435	91
never@739	92	void get_constant_pool_cache(Register reg) {
duke@435	93	get_constant_pool(reg);
never@739	94	movptr(reg, Address(reg, constantPoolOopDesc::cache_offset_in_bytes()));
duke@435	95	}
duke@435	96
never@739	97	void get_cpool_and_tags(Register cpool, Register tags) {
duke@435	98	get_constant_pool(cpool);
never@739	99	movptr(tags, Address(cpool, constantPoolOopDesc::tags_offset_in_bytes()));
duke@435	100	}
duke@435	101
duke@435	102	void get_unsigned_2_byte_index_at_bcp(Register reg, int bcp_offset);
duke@435	103	void get_cache_and_index_at_bcp(Register cache, Register index,
jrose@1920	104	int bcp_offset, size_t index_size = sizeof(u2));
duke@435	105	void get_cache_entry_pointer_at_bcp(Register cache, Register tmp,
jrose@1920	106	int bcp_offset, size_t index_size = sizeof(u2));
jrose@1920	107	void get_cache_index_at_bcp(Register index, int bcp_offset, size_t index_size = sizeof(u2));
duke@435	108
never@739	109
duke@435	110	void pop_ptr(Register r = rax);
duke@435	111	void pop_i(Register r = rax);
duke@435	112	void pop_l(Register r = rax);
duke@435	113	void pop_f(XMMRegister r = xmm0);
duke@435	114	void pop_d(XMMRegister r = xmm0);
duke@435	115	void push_ptr(Register r = rax);
duke@435	116	void push_i(Register r = rax);
duke@435	117	void push_l(Register r = rax);
duke@435	118	void push_f(XMMRegister r = xmm0);
duke@435	119	void push_d(XMMRegister r = xmm0);
duke@435	120
never@739	121	void pop(Register r ) { ((MacroAssembler*)this)->pop(r); }
never@739	122
never@739	123	void push(Register r ) { ((MacroAssembler*)this)->push(r); }
never@739	124	void push(int32_t imm ) { ((MacroAssembler*)this)->push(imm); }
never@739	125
duke@435	126	void pop(TosState state); // transition vtos -> state
duke@435	127	void push(TosState state); // transition state -> vtos
duke@435	128
twisti@1861	129	void empty_expression_stack() {
never@739	130	movptr(rsp, Address(rbp, frame::interpreter_frame_monitor_block_top_offset * wordSize));
duke@435	131	// NULL last_sp until next java call
never@739	132	movptr(Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize), (int32_t)NULL_WORD);
duke@435	133	}
duke@435	134
twisti@1861	135	// Helpers for swap and dup
twisti@1861	136	void load_ptr(int n, Register val);
twisti@1861	137	void store_ptr(int n, Register val);
twisti@1861	138
duke@435	139	// Generate a subtype check: branch to ok_is_subtype if sub_klass is
duke@435	140	// a subtype of super_klass.
duke@435	141	void gen_subtype_check( Register sub_klass, Label &ok_is_subtype );
duke@435	142
duke@435	143	// Dispatching
duke@435	144	void dispatch_prolog(TosState state, int step = 0);
duke@435	145	void dispatch_epilog(TosState state, int step = 0);
duke@435	146	// dispatch via ebx (assume ebx is loaded already)
duke@435	147	void dispatch_only(TosState state);
duke@435	148	// dispatch normal table via ebx (assume ebx is loaded already)
duke@435	149	void dispatch_only_normal(TosState state);
duke@435	150	void dispatch_only_noverify(TosState state);
duke@435	151	// load ebx from [esi + step] and dispatch via ebx
duke@435	152	void dispatch_next(TosState state, int step = 0);
duke@435	153	// load ebx from [esi] and dispatch via ebx and table
duke@435	154	void dispatch_via (TosState state, address* table);
duke@435	155
duke@435	156	// jump to an invoked target
jrose@1145	157	void prepare_to_jump_from_interpreted();
duke@435	158	void jump_from_interpreted(Register method, Register temp);
duke@435	159
duke@435	160
duke@435	161	// Returning from interpreted functions
duke@435	162	//
duke@435	163	// Removes the current activation (incl. unlocking of monitors)
duke@435	164	// and sets up the return address. This code is also used for
duke@435	165	// exception unwindwing. In that case, we do not want to throw
duke@435	166	// IllegalMonitorStateExceptions, since that might get us into an
duke@435	167	// infinite rethrow exception loop.
duke@435	168	// Additionally this code is used for popFrame and earlyReturn.
duke@435	169	// In popFrame case we want to skip throwing an exception,
duke@435	170	// installing an exception, and notifying jvmdi.
duke@435	171	// In earlyReturn case we only want to skip throwing an exception
duke@435	172	// and installing an exception.
duke@435	173	void remove_activation(TosState state, Register ret_addr,
duke@435	174	bool throw_monitor_exception = true,
duke@435	175	bool install_monitor_exception = true,
duke@435	176	bool notify_jvmdi = true);
never@739	177	#endif // CC_INTERP
duke@435	178
duke@435	179	// Object locking
duke@435	180	void lock_object (Register lock_reg);
duke@435	181	void unlock_object(Register lock_reg);
duke@435	182
never@739	183	#ifndef CC_INTERP
never@739	184
duke@435	185	// Interpreter profiling operations
duke@435	186	void set_method_data_pointer_for_bcp();
duke@435	187	void test_method_data_pointer(Register mdp, Label& zero_continue);
duke@435	188	void verify_method_data_pointer();
duke@435	189
duke@435	190	void set_mdp_data_at(Register mdp_in, int constant, Register value);
duke@435	191	void increment_mdp_data_at(Address data, bool decrement = false);
duke@435	192	void increment_mdp_data_at(Register mdp_in, int constant,
duke@435	193	bool decrement = false);
duke@435	194	void increment_mdp_data_at(Register mdp_in, Register reg, int constant,
duke@435	195	bool decrement = false);
iveresov@2138	196	void increment_mask_and_jump(Address counter_addr,
iveresov@2138	197	int increment, int mask,
iveresov@2138	198	Register scratch, bool preloaded,
iveresov@2138	199	Condition cond, Label* where);
duke@435	200	void set_mdp_flag_at(Register mdp_in, int flag_constant);
duke@435	201	void test_mdp_data_at(Register mdp_in, int offset, Register value,
duke@435	202	Register test_value_out,
duke@435	203	Label& not_equal_continue);
duke@435	204
duke@435	205	void record_klass_in_profile(Register receiver, Register mdp,
kvn@1641	206	Register reg2, bool is_virtual_call);
duke@435	207	void record_klass_in_profile_helper(Register receiver, Register mdp,
kvn@1641	208	Register reg2, int start_row,
kvn@1641	209	Label& done, bool is_virtual_call);
duke@435	210
duke@435	211	void update_mdp_by_offset(Register mdp_in, int offset_of_offset);
duke@435	212	void update_mdp_by_offset(Register mdp_in, Register reg, int offset_of_disp);
duke@435	213	void update_mdp_by_constant(Register mdp_in, int constant);
duke@435	214	void update_mdp_for_ret(Register return_bci);
duke@435	215
duke@435	216	void profile_taken_branch(Register mdp, Register bumped_count);
duke@435	217	void profile_not_taken_branch(Register mdp);
duke@435	218	void profile_call(Register mdp);
duke@435	219	void profile_final_call(Register mdp);
duke@435	220	void profile_virtual_call(Register receiver, Register mdp,
twisti@1543	221	Register scratch2,
twisti@1543	222	bool receiver_can_be_null = false);
duke@435	223	void profile_ret(Register return_bci, Register mdp);
duke@435	224	void profile_null_seen(Register mdp);
duke@435	225	void profile_typecheck(Register mdp, Register klass, Register scratch);
duke@435	226	void profile_typecheck_failed(Register mdp);
duke@435	227	void profile_switch_default(Register mdp);
duke@435	228	void profile_switch_case(Register index_in_scratch, Register mdp,
duke@435	229	Register scratch2);
duke@435	230
duke@435	231	// Debugging
duke@435	232	// only if +VerifyOops && state == atos
duke@435	233	void verify_oop(Register reg, TosState state = atos);
duke@435	234	// only if +VerifyFPU && (state == ftos || state == dtos)
duke@435	235	void verify_FPU(int stack_depth, TosState state = ftos);
duke@435	236
never@739	237	#endif // !CC_INTERP
never@739	238
duke@435	239	typedef enum { NotifyJVMTI, SkipNotifyJVMTI } NotifyMethodExitMode;
duke@435	240
duke@435	241	// support for jvmti/dtrace
duke@435	242	void notify_method_entry();
duke@435	243	void notify_method_exit(TosState state, NotifyMethodExitMode mode);
duke@435	244	};
stefank@2314	245
stefank@2314	246	#endif // CPU_X86_VM_INTERP_MASM_X86_64_HPP