1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/src/cpu/mips/vm/interp_masm_mips_64.hpp Fri Apr 29 00:06:10 2016 +0800
1.3 @@ -0,0 +1,311 @@
1.4 +/*
1.5 + * Copyright (c) 2003, 2013, Oracle and/or its affiliates. All rights reserved.
1.6 + * Copyright (c) 2015, 2016, Loongson Technology. All rights reserved.
1.7 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
1.8 + *
1.9 + * This code is free software; you can redistribute it and/or modify it
1.10 + * under the terms of the GNU General Public License version 2 only, as
1.11 + * published by the Free Software Foundation.
1.12 + *
1.13 + * This code is distributed in the hope that it will be useful, but WITHOUT
1.14 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
1.15 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
1.16 + * version 2 for more details (a copy is included in the LICENSE file that
1.17 + * accompanied this code).
1.18 + *
1.19 + * You should have received a copy of the GNU General Public License version
1.20 + * 2 along with this work; if not, write to the Free Software Foundation,
1.21 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
1.22 + *
1.23 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
1.24 + * or visit www.oracle.com if you need additional information or have any
1.25 + * questions.
1.26 + *
1.27 + */
1.28 +
1.29 +// This file specializes the assember with interpreter-specific macros
1.30 +
1.31 +#ifndef CPU_MIPS_VM_INTERP_MASM_MIPS_64_HPP
1.32 +#define CPU_MIPS_VM_INTERP_MASM_MIPS_64_HPP
1.33 +
1.34 +#include "asm/macroAssembler.hpp"
1.35 +#include "asm/macroAssembler.inline.hpp"
1.36 +#include "interpreter/invocationCounter.hpp"
1.37 +#include "runtime/frame.hpp"
1.38 +
1.39 +
1.40 +class InterpreterMacroAssembler: public MacroAssembler {
1.41 +#ifndef CC_INTERP
1.42 + private:
1.43 + Register _locals_register; // register that contains the pointer to the locals
1.44 + Register _bcp_register; // register that contains the bcp
1.45 +
1.46 + protected:
1.47 + // Interpreter specific version of call_VM_base
1.48 + virtual void call_VM_leaf_base(address entry_point,
1.49 + int number_of_arguments);
1.50 +
1.51 + virtual void call_VM_base(Register oop_result,
1.52 + Register java_thread,
1.53 + Register last_java_sp,
1.54 + address entry_point,
1.55 + int number_of_arguments,
1.56 + bool check_exceptions);
1.57 +
1.58 + virtual void check_and_handle_popframe(Register java_thread);
1.59 + virtual void check_and_handle_earlyret(Register java_thread);
1.60 +
1.61 + // base routine for all dispatches
1.62 + void dispatch_base(TosState state, address* table, bool verifyoop = true);
1.63 +#endif // CC_INTERP
1.64 +
1.65 + public:
1.66 + InterpreterMacroAssembler(CodeBuffer* code) : MacroAssembler(code), _locals_register(LVP), _bcp_register(BCP) {}
1.67 +
1.68 + void load_earlyret_value(TosState state);
1.69 +
1.70 +#ifdef CC_INTERP
1.71 + void save_bcp() { /* not needed in c++ interpreter and harmless */ }
1.72 + void restore_bcp() { /* not needed in c++ interpreter and harmless */ }
1.73 +
1.74 + // Helpers for runtime call arguments/results
1.75 + void get_method(Register reg);
1.76 +
1.77 +#else
1.78 +
1.79 + // Interpreter-specific registers
1.80 + void save_bcp() {
1.81 + sd(BCP, FP, frame::interpreter_frame_bcx_offset * wordSize);
1.82 + }
1.83 +
1.84 + void restore_bcp() {
1.85 + ld(BCP, FP, frame::interpreter_frame_bcx_offset * wordSize);
1.86 + }
1.87 +
1.88 + void restore_locals() {
1.89 + ld(LVP, FP, frame::interpreter_frame_locals_offset * wordSize);
1.90 + }
1.91 +
1.92 + // Helpers for runtime call arguments/results
1.93 + void get_method(Register reg) {
1.94 + ld(reg, FP, frame::interpreter_frame_method_offset * wordSize);
1.95 + }
1.96 +
1.97 + void get_const(Register reg){
1.98 + get_method(reg);
1.99 + ld(reg, reg, in_bytes(Method::const_offset()));
1.100 + }
1.101 +
1.102 + void get_constant_pool(Register reg) {
1.103 + get_const(reg);
1.104 + ld(reg, reg, in_bytes(ConstMethod::constants_offset()));
1.105 + }
1.106 +
1.107 + void get_constant_pool_cache(Register reg) {
1.108 + get_constant_pool(reg);
1.109 + ld(reg, reg, ConstantPool::cache_offset_in_bytes());
1.110 + }
1.111 +
1.112 + void get_cpool_and_tags(Register cpool, Register tags) {
1.113 + get_constant_pool(cpool);
1.114 + ld(tags, cpool, ConstantPool::tags_offset_in_bytes());
1.115 + }
1.116 +
1.117 + void get_unsigned_2_byte_index_at_bcp(Register reg, int bcp_offset);
1.118 + void get_cache_and_index_at_bcp(Register cache, Register index,
1.119 + int bcp_offset, size_t index_size = sizeof (u2));
1.120 + void get_cache_and_index_and_bytecode_at_bcp(Register cache, Register index,
1.121 + Register bytecode, int byte_no,
1.122 + int bcp_offset, size_t index_size = sizeof(u2));
1.123 + void get_cache_entry_pointer_at_bcp(Register cache, Register tmp,
1.124 + int bcp_offset, size_t index_size = sizeof(u2));
1.125 + void get_cache_index_at_bcp(Register index, int bcp_offset, size_t index_size = sizeof(u2));
1.126 + void get_method_counters(Register method, Register mcs, Label& skip);
1.127 + // load cpool->resolved_references(index);
1.128 + void load_resolved_reference_at_index(Register result, Register index);
1.129 +
1.130 + void pop_ptr(Register r = V0);
1.131 + void pop_i(Register r = V0);
1.132 + //void pop_l(Register r = V0);
1.133 + void pop_l(Register lo = V0, Register hi = V1);
1.134 + //void pop_f(XMMRegister r = xmm0);
1.135 + //void pop_d(XMMRegister r = xmm0);
1.136 + void pop_f();
1.137 + void pop_d();
1.138 + void push_ptr(Register r = V0);
1.139 + void push_i(Register r = V0);
1.140 + //void push_l(Register r = V0);
1.141 + void push_l(Register lo = V0, Register hi = V1);
1.142 + //void push_f(XMMRegister r = xmm0);
1.143 + //void push_d(XMMRegister r = xmm0);
1.144 + void push_f();
1.145 + void push_d(FloatRegister r = F0);
1.146 +
1.147 + void pop(Register r ) { ((MacroAssembler*)this)->pop(r); }
1.148 +
1.149 + void push(Register r ) { ((MacroAssembler*)this)->push(r); }
1.150 + //void push(int32_t imm ) { ((MacroAssembler*)this)->push(imm); }
1.151 +
1.152 + void pop_dtos_to_esp();
1.153 + void pop_ftos_to_esp();
1.154 +
1.155 + void pop(TosState state); // transition vtos -> state
1.156 + void push(TosState state); // transition state -> vtos
1.157 +/*
1.158 + // Tagged stack support, pop and push both tag and value.
1.159 + void pop_ptr(Register r, Register tag);
1.160 + void push_ptr(Register r, Register tag);
1.161 +#endif // CC_INTERP
1.162 +
1.163 + DEBUG_ONLY(void verify_stack_tag(frame::Tag t);)
1.164 +
1.165 +#ifndef CC_INTERP
1.166 +
1.167 + // Tagged stack helpers for swap and dup
1.168 + void load_ptr_and_tag(int n, Register val, Register tag);
1.169 + void store_ptr_and_tag(int n, Register val, Register tag);
1.170 +
1.171 + // Tagged Local support
1.172 + void tag_local(frame::Tag tag, int n);
1.173 + void tag_local(Register tag, int n);
1.174 + void tag_local(frame::Tag tag, Register idx);
1.175 + void tag_local(Register tag, Register idx);
1.176 +
1.177 +#ifdef ASSERT
1.178 + void verify_local_tag(frame::Tag tag, int n);
1.179 + void verify_local_tag(frame::Tag tag, Register idx);
1.180 +#endif // ASSERT
1.181 +
1.182 +*/
1.183 + void empty_expression_stack()
1.184 + {
1.185 + ld(SP, FP, frame::interpreter_frame_monitor_block_top_offset * wordSize);
1.186 + // NULL last_sp until next java call
1.187 + sd(R0, FP, frame::interpreter_frame_last_sp_offset * wordSize);
1.188 + }
1.189 +
1.190 + // Super call_VM calls - correspond to MacroAssembler::call_VM(_leaf) calls
1.191 + /*void super_call_VM_leaf(address entry_point);
1.192 + void super_call_VM_leaf(address entry_point, Register arg_1);
1.193 + void super_call_VM_leaf(address entry_point, Register arg_1, Register arg_2);
1.194 + void super_call_VM_leaf(address entry_point,
1.195 + Register arg_1, Register arg_2, Register arg_3);*/
1.196 + void load_ptr(int n, Register val);
1.197 + void store_ptr(int n, Register val);
1.198 +
1.199 + // Generate a subtype check: branch to ok_is_subtype if sub_klass is
1.200 + // a subtype of super_klass.
1.201 + //void gen_subtype_check( Register sub_klass, Label &ok_is_subtype );
1.202 + void gen_subtype_check( Register Rsup_klass, Register sub_klass, Label &ok_is_subtype );
1.203 +
1.204 + // Dispatching
1.205 + void dispatch_prolog(TosState state, int step = 0);
1.206 + void dispatch_epilog(TosState state, int step = 0);
1.207 + // dispatch via ebx (assume ebx is loaded already)
1.208 + void dispatch_only(TosState state);
1.209 + // dispatch normal table via ebx (assume ebx is loaded already)
1.210 + void dispatch_only_normal(TosState state);
1.211 + void dispatch_only_noverify(TosState state);
1.212 + // load ebx from [esi + step] and dispatch via ebx
1.213 + void dispatch_next(TosState state, int step = 0);
1.214 + // load ebx from [esi] and dispatch via ebx and table
1.215 + void dispatch_via (TosState state, address* table);
1.216 +
1.217 + // jump to an invoked target
1.218 + void prepare_to_jump_from_interpreted();
1.219 + void jump_from_interpreted(Register method, Register temp);
1.220 +
1.221 +
1.222 + // Returning from interpreted functions
1.223 + //
1.224 + // Removes the current activation (incl. unlocking of monitors)
1.225 + // and sets up the return address. This code is also used for
1.226 + // exception unwindwing. In that case, we do not want to throw
1.227 + // IllegalMonitorStateExceptions, since that might get us into an
1.228 + // infinite rethrow exception loop.
1.229 + // Additionally this code is used for popFrame and earlyReturn.
1.230 + // In popFrame case we want to skip throwing an exception,
1.231 + // installing an exception, and notifying jvmdi.
1.232 + // In earlyReturn case we only want to skip throwing an exception
1.233 + // and installing an exception.
1.234 + void remove_activation(TosState state, Register ret_addr,
1.235 + bool throw_monitor_exception = true,
1.236 + bool install_monitor_exception = true,
1.237 + bool notify_jvmdi = true);
1.238 +#endif // CC_INTERP
1.239 +
1.240 + // Object locking
1.241 + void lock_object (Register lock_reg);
1.242 + void unlock_object(Register lock_reg);
1.243 +
1.244 +#ifndef CC_INTERP
1.245 +
1.246 + // Interpreter profiling operations
1.247 + void set_method_data_pointer_for_bcp();
1.248 + void test_method_data_pointer(Register mdp, Label& zero_continue);
1.249 + void verify_method_data_pointer();
1.250 +
1.251 + void set_mdp_data_at(Register mdp_in, int constant, Register value);
1.252 + void increment_mdp_data_at(Address data, bool decrement = false);
1.253 + void increment_mdp_data_at(Register mdp_in, int constant,
1.254 + bool decrement = false);
1.255 + void increment_mdp_data_at(Register mdp_in, Register reg, int constant,
1.256 + bool decrement = false);
1.257 +/* void increment_mask_and_jump(Address counter_addr,
1.258 + int increment, int mask,
1.259 + Register scratch, bool preloaded,
1.260 + Condition cond, Label* where); */
1.261 + void set_mdp_flag_at(Register mdp_in, int flag_constant);
1.262 + void test_mdp_data_at(Register mdp_in, int offset, Register value,
1.263 + Register test_value_out,
1.264 + Label& not_equal_continue);
1.265 +
1.266 + void record_klass_in_profile(Register receiver, Register mdp,
1.267 + Register reg2, bool is_virtual_call);
1.268 + void record_klass_in_profile_helper(Register receiver, Register mdp,
1.269 + Register reg2, int start_row,
1.270 + Label& done, bool is_virtual_call);
1.271 +
1.272 + void update_mdp_by_offset(Register mdp_in, int offset_of_offset);
1.273 + void update_mdp_by_offset(Register mdp_in, Register reg, int offset_of_disp);
1.274 + void update_mdp_by_constant(Register mdp_in, int constant);
1.275 + void update_mdp_for_ret(Register return_bci);
1.276 +
1.277 + void profile_taken_branch(Register mdp, Register bumped_count);
1.278 + void profile_not_taken_branch(Register mdp);
1.279 + void profile_call(Register mdp);
1.280 + void profile_final_call(Register mdp);
1.281 + void profile_virtual_call(Register receiver, Register mdp,
1.282 + Register scratch2,
1.283 + bool receiver_can_be_null = false);
1.284 + void profile_ret(Register return_bci, Register mdp);
1.285 + void profile_checkcast(bool is_null , Register mdp);
1.286 + void profile_null_seen(Register mdp);
1.287 + void profile_typecheck(Register mdp, Register klass, Register scratch);
1.288 + void profile_typecheck_failed(Register mdp);
1.289 + void profile_switch_default(Register mdp);
1.290 + void profile_switch_case(Register index_in_scratch, Register mdp,
1.291 + Register scratch2);
1.292 +
1.293 + // Debugging
1.294 + // only if +VerifyOops && state == atos
1.295 + void verify_oop(Register reg, TosState state = atos);
1.296 + // only if +VerifyFPU && (state == ftos || state == dtos)
1.297 + void verify_FPU(int stack_depth, TosState state = ftos);
1.298 +
1.299 + void profile_obj_type(Register obj, const Address& mdo_addr);
1.300 + void profile_arguments_type(Register mdp, Register callee, Register tmp, bool is_virtual);
1.301 + void profile_return_type(Register mdp, Register ret, Register tmp);
1.302 + void profile_parameters_type(Register mdp, Register tmp1, Register tmp2);
1.303 +#endif // !CC_INTERP
1.304 +
1.305 + typedef enum { NotifyJVMTI, SkipNotifyJVMTI } NotifyMethodExitMode;
1.306 +
1.307 + // support for jvmti/dtrace
1.308 + void notify_method_entry();
1.309 + void notify_method_exit(bool is_native_method, TosState state, NotifyMethodExitMode mode);
1.310 + void save_return_value(TosState state, bool is_native_call);
1.311 + void restore_return_value(TosState state, bool is_native_call);
1.312 +};
1.313 +
1.314 +#endif // CPU_MIPS_VM_INTERP_MASM_MIPS_64_HPP
