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src/cpu/x86/vm/interp_masm_x86_32.hpp@04d83ba48607 (annotated)

src/cpu/x86/vm/interp_masm_x86_32.hpp

Thu, 24 May 2018 17:06:56 +0800

author
aoqi
date
Thu, 24 May 2018 17:06:56 +0800
changeset 8604
04d83ba48607
parent 6876
710a3c8b516e
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@0 25 #ifndef CC_INTERP
aoqi@0 26 protected:
aoqi@0 27 // Interpreter specific version of call_VM_base
aoqi@0 28 virtual void call_VM_leaf_base(
aoqi@0 29 address entry_point,
aoqi@0 30 int number_of_arguments
aoqi@0 31 );
aoqi@0 32
aoqi@0 33 virtual void call_VM_base(
aoqi@0 34 Register oop_result,
aoqi@0 35 Register java_thread,
aoqi@0 36 Register last_java_sp,
aoqi@0 37 address entry_point,
aoqi@0 38 int number_of_arguments,
aoqi@0 39 bool check_exceptions
aoqi@0 40 );
aoqi@0 41
aoqi@0 42 virtual void check_and_handle_popframe(Register java_thread);
aoqi@0 43 virtual void check_and_handle_earlyret(Register java_thread);
aoqi@0 44
aoqi@0 45 // base routine for all dispatches
aoqi@0 46 void dispatch_base(TosState state, address* table, bool verifyoop = true);
aoqi@0 47 #endif /* CC_INTERP */
aoqi@0 48
aoqi@0 49 public:
aoqi@0 50 InterpreterMacroAssembler(CodeBuffer* code) : MacroAssembler(code), _locals_register(rdi), _bcp_register(rsi) {}
aoqi@0 51
aoqi@0 52 void load_earlyret_value(TosState state);
aoqi@0 53
aoqi@0 54 // Interpreter-specific registers
aoqi@0 55 #ifdef CC_INTERP
aoqi@0 56 void save_bcp() { /* not needed in c++ interpreter and harmless */ }
aoqi@0 57 void restore_bcp() { /* not needed in c++ interpreter and harmless */ }
aoqi@0 58
aoqi@0 59 // Helpers for runtime call arguments/results
aoqi@0 60 void get_method(Register reg);
aoqi@0 61
aoqi@0 62 #else
aoqi@0 63
aoqi@0 64 void save_bcp() { movptr(Address(rbp, frame::interpreter_frame_bcx_offset * wordSize), rsi); }
aoqi@0 65 void restore_bcp() { movptr(rsi, Address(rbp, frame::interpreter_frame_bcx_offset * wordSize)); }
aoqi@0 66 void restore_locals() { movptr(rdi, Address(rbp, frame::interpreter_frame_locals_offset * wordSize)); }
aoqi@0 67
aoqi@0 68 // Helpers for runtime call arguments/results
aoqi@0 69 void get_method(Register reg) { movptr(reg, Address(rbp, frame::interpreter_frame_method_offset * wordSize)); }
aoqi@0 70 void get_const(Register reg) { get_method(reg); movptr(reg, Address(reg, Method::const_offset())); }
aoqi@0 71 void get_constant_pool(Register reg) { get_const(reg); movptr(reg, Address(reg, ConstMethod::constants_offset())); }
aoqi@0 72 void get_constant_pool_cache(Register reg) { get_constant_pool(reg); movptr(reg, Address(reg, ConstantPool::cache_offset_in_bytes())); }
aoqi@0 73 void get_cpool_and_tags(Register cpool, Register tags) { get_constant_pool(cpool); movptr(tags, Address(cpool, ConstantPool::tags_offset_in_bytes()));
aoqi@0 74 }
aoqi@0 75 void get_unsigned_2_byte_index_at_bcp(Register reg, int bcp_offset);
aoqi@0 76 void get_cache_and_index_at_bcp(Register cache, Register index, int bcp_offset, size_t index_size = sizeof(u2));
aoqi@0 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));
aoqi@0 78 void get_cache_entry_pointer_at_bcp(Register cache, Register tmp, int bcp_offset, size_t index_size = sizeof(u2));
aoqi@0 79 void get_cache_index_at_bcp(Register index, int bcp_offset, size_t index_size = sizeof(u2));
aoqi@0 80 void get_method_counters(Register method, Register mcs, Label& skip);
aoqi@0 81
aoqi@0 82 // load cpool->resolved_references(index);
aoqi@0 83 void load_resolved_reference_at_index(Register result, Register index);
aoqi@0 84
aoqi@0 85 // Expression stack
aoqi@0 86 void f2ieee(); // truncate ftos to 32bits
aoqi@0 87 void d2ieee(); // truncate dtos to 64bits
aoqi@0 88
aoqi@0 89 void pop_ptr(Register r = rax);
aoqi@0 90 void pop_i(Register r = rax);
aoqi@0 91 void pop_l(Register lo = rax, Register hi = rdx);
aoqi@0 92 void pop_f();
aoqi@0 93 void pop_d();
aoqi@0 94
aoqi@0 95 void push_ptr(Register r = rax);
aoqi@0 96 void push_i(Register r = rax);
aoqi@0 97 void push_l(Register lo = rax, Register hi = rdx);
aoqi@0 98 void push_d(Register r = rax);
aoqi@0 99 void push_f();
aoqi@0 100
aoqi@0 101 void pop(TosState state); // transition vtos -> state
aoqi@0 102 void push(TosState state); // transition state -> vtos
aoqi@0 103
aoqi@0 104 void pop(Register r ) { ((MacroAssembler*)this)->pop(r); }
aoqi@0 105
aoqi@0 106 void push(Register r ) { ((MacroAssembler*)this)->push(r); }
aoqi@0 107 void push(int32_t imm ) { ((MacroAssembler*)this)->push(imm); }
aoqi@0 108
aoqi@0 109 // These are dummies to prevent surprise implicit conversions to Register
aoqi@0 110 void pop(void* v ); // Add unimplemented ambiguous method
aoqi@0 111 void push(void* v ); // Add unimplemented ambiguous method
aoqi@0 112
aoqi@0 113 void empty_expression_stack() {
aoqi@0 114 movptr(rsp, Address(rbp, frame::interpreter_frame_monitor_block_top_offset * wordSize));
aoqi@0 115 // NULL last_sp until next java call
aoqi@0 116 movptr(Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize), NULL_WORD);
aoqi@0 117 }
aoqi@0 118
aoqi@0 119 // Helpers for swap and dup
aoqi@0 120 void load_ptr(int n, Register val);
aoqi@0 121 void store_ptr(int n, Register val);
aoqi@0 122
aoqi@0 123 // Generate a subtype check: branch to ok_is_subtype if sub_klass is
aoqi@0 124 // a subtype of super_klass. EAX holds the super_klass. Blows ECX
aoqi@0 125 // and EDI. Register sub_klass cannot be any of the above.
aoqi@0 126 void gen_subtype_check( Register sub_klass, Label &ok_is_subtype );
aoqi@0 127
aoqi@0 128 // Dispatching
aoqi@0 129 void dispatch_prolog(TosState state, int step = 0);
aoqi@0 130 void dispatch_epilog(TosState state, int step = 0);
aoqi@0 131 void dispatch_only(TosState state); // dispatch via rbx, (assume rbx, is loaded already)
aoqi@0 132 void dispatch_only_normal(TosState state); // dispatch normal table via rbx, (assume rbx, is loaded already)
aoqi@0 133 void dispatch_only_noverify(TosState state);
aoqi@0 134 void dispatch_next(TosState state, int step = 0); // load rbx, from [esi + step] and dispatch via rbx,
aoqi@0 135 void dispatch_via (TosState state, address* table); // load rbx, from [esi] and dispatch via rbx, and table
aoqi@0 136
aoqi@0 137
aoqi@0 138 // jump to an invoked target
aoqi@0 139 void prepare_to_jump_from_interpreted();
aoqi@0 140 void jump_from_interpreted(Register method, Register temp);
aoqi@0 141
aoqi@0 142 // Returning from interpreted functions
aoqi@0 143 //
aoqi@0 144 // Removes the current activation (incl. unlocking of monitors)
aoqi@0 145 // and sets up the return address. This code is also used for
aoqi@0 146 // exception unwindwing. In that case, we do not want to throw
aoqi@0 147 // IllegalMonitorStateExceptions, since that might get us into an
aoqi@0 148 // infinite rethrow exception loop.
aoqi@0 149 // Additionally this code is used for popFrame and earlyReturn.
aoqi@0 150 // In popFrame case we want to skip throwing an exception,
aoqi@0 151 // installing an exception, and notifying jvmdi.
aoqi@0 152 // In earlyReturn case we only want to skip throwing an exception
aoqi@0 153 // and installing an exception.
aoqi@0 154 void remove_activation(TosState state, Register ret_addr,
aoqi@0 155 bool throw_monitor_exception = true,
aoqi@0 156 bool install_monitor_exception = true,
aoqi@0 157 bool notify_jvmdi = true);
aoqi@0 158 #endif /* !CC_INTERP */
aoqi@0 159
aoqi@0 160 // Debugging
aoqi@0 161 void verify_oop(Register reg, TosState state = atos); // only if +VerifyOops && state == atos
aoqi@0 162 #ifndef CC_INTERP
aoqi@0 163 void verify_FPU(int stack_depth, TosState state = ftos); // only if +VerifyFPU && (state == ftos || state == dtos)
aoqi@0 164
aoqi@0 165 #endif /* !CC_INTERP */
aoqi@0 166
aoqi@0 167 // Object locking
aoqi@0 168 void lock_object (Register lock_reg);
aoqi@0 169 void unlock_object(Register lock_reg);
aoqi@0 170
aoqi@0 171 #ifndef CC_INTERP
aoqi@0 172
aoqi@0 173 // Interpreter profiling operations
aoqi@0 174 void set_method_data_pointer_for_bcp();
aoqi@0 175 void test_method_data_pointer(Register mdp, Label& zero_continue);
aoqi@0 176 void verify_method_data_pointer();
aoqi@0 177
aoqi@0 178 void set_mdp_data_at(Register mdp_in, int constant, Register value);
aoqi@0 179 void increment_mdp_data_at(Address data, bool decrement = false);
aoqi@0 180 void increment_mdp_data_at(Register mdp_in, int constant,
aoqi@0 181 bool decrement = false);
aoqi@0 182 void increment_mdp_data_at(Register mdp_in, Register reg, int constant,
aoqi@0 183 bool decrement = false);
aoqi@0 184 void increment_mask_and_jump(Address counter_addr,
aoqi@0 185 int increment, int mask,
aoqi@0 186 Register scratch, bool preloaded,
aoqi@0 187 Condition cond, Label* where);
aoqi@0 188 void set_mdp_flag_at(Register mdp_in, int flag_constant);
aoqi@0 189 void test_mdp_data_at(Register mdp_in, int offset, Register value,
aoqi@0 190 Register test_value_out,
aoqi@0 191 Label& not_equal_continue);
aoqi@0 192
aoqi@0 193 void record_klass_in_profile(Register receiver, Register mdp,
aoqi@0 194 Register reg2, bool is_virtual_call);
aoqi@0 195 void record_klass_in_profile_helper(Register receiver, Register mdp,
aoqi@0 196 Register reg2, int start_row,
aoqi@0 197 Label& done, bool is_virtual_call);
aoqi@0 198
aoqi@0 199 void update_mdp_by_offset(Register mdp_in, int offset_of_offset);
aoqi@0 200 void update_mdp_by_offset(Register mdp_in, Register reg, int offset_of_disp);
aoqi@0 201 void update_mdp_by_constant(Register mdp_in, int constant);
aoqi@0 202 void update_mdp_for_ret(Register return_bci);
aoqi@0 203
aoqi@0 204 void profile_taken_branch(Register mdp, Register bumped_count);
aoqi@0 205 void profile_not_taken_branch(Register mdp);
aoqi@0 206 void profile_call(Register mdp);
aoqi@0 207 void profile_final_call(Register mdp);
aoqi@0 208 void profile_virtual_call(Register receiver, Register mdp, Register scratch2,
aoqi@0 209 bool receiver_can_be_null = false);
aoqi@0 210 void profile_ret(Register return_bci, Register mdp);
aoqi@0 211 void profile_null_seen(Register mdp);
aoqi@0 212 void profile_typecheck(Register mdp, Register klass, Register scratch);
aoqi@0 213 void profile_typecheck_failed(Register mdp);
aoqi@0 214 void profile_switch_default(Register mdp);
aoqi@0 215 void profile_switch_case(Register index_in_scratch, Register mdp, Register scratch2);
aoqi@0 216
aoqi@0 217 #endif /* !CC_INTERP */
aoqi@0 218
aoqi@0 219 typedef enum { NotifyJVMTI, SkipNotifyJVMTI } NotifyMethodExitMode;
aoqi@0 220
aoqi@0 221 // support for jvmti
aoqi@0 222 void notify_method_entry();
aoqi@0 223 void notify_method_exit(TosState state, NotifyMethodExitMode mode);

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