Mercurial > hg > truffle
annotate src/cpu/ppc/vm/interp_masm_ppc_64.hpp @ 20418:b384ba33c9a0
8050942: PPC64: implement template interpreter for ppc64le
Reviewed-by: kvn, goetz
Contributed-by: asmundak@google.com
| author | kvn |
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| date | Thu, 17 Jul 2014 15:40:04 -0700 |
| parents | 63c5920a038d |
| children | c5e86c5cd22e |
| rev | line source |
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1 /* |
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2 * Copyright (c) 2002, 2013, Oracle and/or its affiliates. All rights reserved. |
| 17804 | 3 * Copyright 2012, 2014 SAP AG. All rights reserved. |
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4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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5 * |
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6 * This code is free software; you can redistribute it and/or modify it |
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7 * under the terms of the GNU General Public License version 2 only, as |
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8 * published by the Free Software Foundation. |
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9 * |
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10 * This code is distributed in the hope that it will be useful, but WITHOUT |
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11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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13 * version 2 for more details (a copy is included in the LICENSE file that |
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14 * accompanied this code). |
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15 * |
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16 * You should have received a copy of the GNU General Public License version |
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17 * 2 along with this work; if not, write to the Free Software Foundation, |
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18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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19 * |
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20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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21 * or visit www.oracle.com if you need additional information or have any |
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22 * questions. |
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23 * |
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24 */ |
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25 |
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26 #ifndef CPU_PPC_VM_INTERP_MASM_PPC_64_HPP |
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27 #define CPU_PPC_VM_INTERP_MASM_PPC_64_HPP |
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28 |
| 17917 | 29 #include "asm/macroAssembler.hpp" |
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30 #include "interpreter/invocationCounter.hpp" |
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31 |
| 17804 | 32 // This file specializes the assembler with interpreter-specific macros. |
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33 |
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34 |
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35 class InterpreterMacroAssembler: public MacroAssembler { |
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36 |
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37 public: |
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38 InterpreterMacroAssembler(CodeBuffer* code) : MacroAssembler(code) {} |
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39 |
| 14445 | 40 void null_check_throw(Register a, int offset, Register temp_reg); |
| 41 | |
| 17804 | 42 void branch_to_entry(address entry, Register Rscratch); |
| 43 | |
| 44 // Handy address generation macros. | |
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45 #define thread_(field_name) in_bytes(JavaThread::field_name ## _offset()), R16_thread |
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46 #define method_(field_name) in_bytes(Method::field_name ## _offset()), R19_method |
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47 |
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48 #ifdef CC_INTERP |
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49 #define state_(field_name) in_bytes(byte_offset_of(BytecodeInterpreter, field_name)), R14_state |
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50 #define prev_state_(field_name) in_bytes(byte_offset_of(BytecodeInterpreter, field_name)), R15_prev_state |
| 17804 | 51 void pop (TosState state) {}; // Not needed. |
| 52 void push(TosState state) {}; // Not needed. | |
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53 #endif |
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54 |
| 17804 | 55 #ifndef CC_INTERP |
| 56 virtual void check_and_handle_popframe(Register java_thread); | |
| 57 virtual void check_and_handle_earlyret(Register java_thread); | |
| 58 | |
| 59 // Base routine for all dispatches. | |
| 60 void dispatch_base(TosState state, address* table); | |
| 61 | |
| 62 void load_earlyret_value(TosState state, Register Rscratch1); | |
| 63 | |
| 64 static const Address l_tmp; | |
| 65 static const Address d_tmp; | |
| 66 | |
| 67 // dispatch routines | |
| 68 void dispatch_next(TosState state, int step = 0); | |
| 69 void dispatch_via (TosState state, address* table); | |
| 70 void load_dispatch_table(Register dst, address* table); | |
| 71 void dispatch_Lbyte_code(TosState state, Register bytecode, address* table, bool verify = false); | |
| 72 | |
| 73 // Called by shared interpreter generator. | |
| 74 void dispatch_prolog(TosState state, int step = 0); | |
| 75 void dispatch_epilog(TosState state, int step = 0); | |
| 76 | |
| 77 // Super call_VM calls - correspond to MacroAssembler::call_VM(_leaf) calls. | |
| 78 void super_call_VM_leaf(Register thread_cache, address entry_point, Register arg_1); | |
| 79 void super_call_VM(Register thread_cache, Register oop_result, Register last_java_sp, | |
| 80 address entry_point, Register arg_1, Register arg_2, bool check_exception = true); | |
| 81 | |
| 82 // Generate a subtype check: branch to ok_is_subtype if sub_klass is | |
| 83 // a subtype of super_klass. Blows registers tmp1, tmp2 and tmp3. | |
| 84 void gen_subtype_check(Register sub_klass, Register super_klass, | |
| 85 Register tmp1, Register tmp2, Register tmp3, Label &ok_is_subtype); | |
| 86 | |
| 87 // Load object from cpool->resolved_references(index). | |
| 88 void load_resolved_reference_at_index(Register result, Register index); | |
| 89 | |
| 90 void generate_stack_overflow_check_with_compare_and_throw(Register Rmem_frame_size, Register Rscratch1); | |
| 91 void load_receiver(Register Rparam_count, Register Rrecv_dst); | |
| 92 | |
| 93 // helpers for expression stack | |
| 94 void pop_i( Register r = R17_tos); | |
| 95 void pop_ptr( Register r = R17_tos); | |
| 96 void pop_l( Register r = R17_tos); | |
| 97 void pop_f(FloatRegister f = F15_ftos); | |
| 98 void pop_d(FloatRegister f = F15_ftos ); | |
| 99 | |
| 100 void push_i( Register r = R17_tos); | |
| 101 void push_ptr( Register r = R17_tos); | |
| 102 void push_l( Register r = R17_tos); | |
| 103 void push_f(FloatRegister f = F15_ftos ); | |
| 104 void push_d(FloatRegister f = F15_ftos); | |
| 105 | |
| 106 void push_2ptrs(Register first, Register second); | |
| 107 | |
| 108 void push_l_pop_d(Register l = R17_tos, FloatRegister d = F15_ftos); | |
| 109 void push_d_pop_l(FloatRegister d = F15_ftos, Register l = R17_tos); | |
| 110 | |
| 111 void pop (TosState state); // transition vtos -> state | |
| 112 void push(TosState state); // transition state -> vtos | |
| 113 void empty_expression_stack(); // Resets both Lesp and SP. | |
| 114 | |
| 115 public: | |
| 116 // Load values from bytecode stream: | |
| 117 | |
| 118 enum signedOrNot { Signed, Unsigned }; | |
| 119 enum setCCOrNot { set_CC, dont_set_CC }; | |
| 120 | |
| 121 void get_2_byte_integer_at_bcp(int bcp_offset, | |
| 122 Register Rdst, | |
| 123 signedOrNot is_signed); | |
| 124 | |
| 125 void get_4_byte_integer_at_bcp(int bcp_offset, | |
| 126 Register Rdst, | |
| 127 signedOrNot is_signed = Unsigned); | |
| 128 | |
| 129 void get_cache_index_at_bcp(Register Rdst, int bcp_offset, size_t index_size); | |
| 130 | |
| 131 void get_cache_and_index_at_bcp(Register cache, int bcp_offset, size_t index_size = sizeof(u2)); | |
| 132 | |
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133 void get_u4(Register Rdst, Register Rsrc, int offset, signedOrNot is_signed); |
| 17804 | 134 |
| 135 // common code | |
| 136 | |
| 137 void field_offset_at(int n, Register tmp, Register dest, Register base); | |
| 138 int field_offset_at(Register object, address bcp, int offset); | |
| 139 void fast_iaaccess(int n, address bcp); | |
| 140 void fast_iagetfield(address bcp); | |
| 141 void fast_iaputfield(address bcp, bool do_store_check); | |
| 142 | |
| 143 void index_check(Register array, Register index, int index_shift, Register tmp, Register res); | |
| 144 void index_check_without_pop(Register array, Register index, int index_shift, Register tmp, Register res); | |
| 145 | |
| 146 void get_const(Register Rdst); | |
| 147 void get_constant_pool(Register Rdst); | |
| 148 void get_constant_pool_cache(Register Rdst); | |
| 149 void get_cpool_and_tags(Register Rcpool, Register Rtags); | |
| 150 void is_a(Label& L); | |
| 151 | |
| 152 // Java Call Helpers | |
| 153 void call_from_interpreter(Register Rtarget_method, Register Rret_addr, Register Rscratch1, Register Rscratch2); | |
| 154 | |
| 155 // -------------------------------------------------- | |
| 156 | |
| 157 void unlock_if_synchronized_method(TosState state, bool throw_monitor_exception = true, | |
| 158 bool install_monitor_exception = true); | |
| 159 | |
| 160 // Removes the current activation (incl. unlocking of monitors). | |
| 161 // Additionally this code is used for earlyReturn in which case we | |
| 162 // want to skip throwing an exception and installing an exception. | |
| 163 void remove_activation(TosState state, | |
| 164 bool throw_monitor_exception = true, | |
| 165 bool install_monitor_exception = true); | |
| 166 void merge_frames(Register Rtop_frame_sp, Register return_pc, Register Rscratch1, Register Rscratch2); // merge top frames | |
| 167 | |
| 168 void add_monitor_to_stack(bool stack_is_empty, Register Rtemp1, Register Rtemp2); | |
| 169 | |
| 170 // Local variable access helpers | |
| 171 void load_local_int(Register Rdst_value, Register Rdst_address, Register Rindex); | |
| 172 void load_local_long(Register Rdst_value, Register Rdst_address, Register Rindex); | |
| 173 void load_local_ptr(Register Rdst_value, Register Rdst_address, Register Rindex); | |
| 174 void load_local_float(FloatRegister Rdst_value, Register Rdst_address, Register Rindex); | |
| 175 void load_local_double(FloatRegister Rdst_value, Register Rdst_address, Register Rindex); | |
| 176 void store_local_int(Register Rvalue, Register Rindex); | |
| 177 void store_local_long(Register Rvalue, Register Rindex); | |
| 178 void store_local_ptr(Register Rvalue, Register Rindex); | |
| 179 void store_local_float(FloatRegister Rvalue, Register Rindex); | |
| 180 void store_local_double(FloatRegister Rvalue, Register Rindex); | |
| 181 | |
| 182 // Call VM for std frames | |
| 183 // Special call VM versions that check for exceptions and forward exception | |
| 184 // via short cut (not via expensive forward exception stub). | |
| 185 void check_and_forward_exception(Register Rscratch1, Register Rscratch2); | |
| 186 void call_VM(Register oop_result, address entry_point, bool check_exceptions = true); | |
| 187 void call_VM(Register oop_result, address entry_point, Register arg_1, bool check_exceptions = true); | |
| 188 void call_VM(Register oop_result, address entry_point, Register arg_1, Register arg_2, bool check_exceptions = true); | |
| 189 void call_VM(Register oop_result, address entry_point, Register arg_1, Register arg_2, Register arg_3, bool check_exceptions = true); | |
| 190 // Should not be used: | |
| 191 void call_VM(Register oop_result, Register last_java_sp, address entry_point, bool check_exceptions = true) {ShouldNotReachHere();} | |
| 192 void call_VM(Register oop_result, Register last_java_sp, address entry_point, Register arg_1, bool check_exceptions = true) {ShouldNotReachHere();} | |
| 193 void call_VM(Register oop_result, Register last_java_sp, address entry_point, Register arg_1, Register arg_2, bool check_exceptions = true) {ShouldNotReachHere();} | |
| 194 void call_VM(Register oop_result, Register last_java_sp, address entry_point, Register arg_1, Register arg_2, Register arg_3, bool check_exceptions = true) {ShouldNotReachHere();} | |
| 195 | |
| 196 Address first_local_in_stack(); | |
| 197 | |
| 198 enum LoadOrStore { load, store }; | |
| 199 void static_iload_or_store(int which_local, LoadOrStore direction, Register Rtmp); | |
| 200 void static_aload_or_store(int which_local, LoadOrStore direction, Register Rtmp); | |
| 201 void static_dload_or_store(int which_local, LoadOrStore direction); | |
| 202 | |
| 203 void save_interpreter_state(Register scratch); | |
| 204 void restore_interpreter_state(Register scratch, bool bcp_and_mdx_only = false); | |
| 205 | |
| 206 void increment_backedge_counter(const Register Rcounters, Register Rtmp, Register Rtmp2, Register Rscratch); | |
| 207 void test_backedge_count_for_osr(Register backedge_count, Register branch_bcp, Register Rtmp); | |
| 208 | |
| 209 void record_static_call_in_profile(Register Rentry, Register Rtmp); | |
| 210 void record_receiver_call_in_profile(Register Rklass, Register Rentry, Register Rtmp); | |
| 211 #endif // !CC_INTERP | |
| 212 | |
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213 void get_method_counters(Register method, Register Rcounters, Label& skip); |
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214 void increment_invocation_counter(Register iv_be_count, Register Rtmp1, Register Rtmp2_r0); |
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215 |
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216 // Object locking |
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217 void lock_object (Register lock_reg, Register obj_reg); |
| 14445 | 218 void unlock_object(Register lock_reg, bool check_for_exceptions = true); |
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219 |
| 17804 | 220 #ifndef CC_INTERP |
| 221 | |
| 222 // Interpreter profiling operations | |
| 223 void set_method_data_pointer_for_bcp(); | |
| 224 void test_method_data_pointer(Label& zero_continue); | |
| 225 void verify_method_data_pointer(); | |
| 226 void test_invocation_counter_for_mdp(Register invocation_count, Register Rscratch, Label &profile_continue); | |
| 227 | |
| 228 void set_mdp_data_at(int constant, Register value); | |
| 229 | |
| 230 void increment_mdp_data_at(int constant, Register counter_addr, Register Rbumped_count, bool decrement = false); | |
| 231 | |
| 232 void increment_mdp_data_at(Register counter_addr, Register Rbumped_count, bool decrement = false); | |
| 233 void increment_mdp_data_at(Register reg, int constant, Register scratch, Register Rbumped_count, bool decrement = false); | |
| 234 | |
| 235 void set_mdp_flag_at(int flag_constant, Register scratch); | |
| 236 void test_mdp_data_at(int offset, Register value, Label& not_equal_continue, Register test_out); | |
| 237 | |
| 238 void update_mdp_by_offset(int offset_of_disp, Register scratch); | |
| 239 void update_mdp_by_offset(Register reg, int offset_of_disp, | |
| 240 Register scratch); | |
| 241 void update_mdp_by_constant(int constant); | |
| 242 void update_mdp_for_ret(TosState state, Register return_bci); | |
| 243 | |
| 244 void profile_taken_branch(Register scratch, Register bumped_count); | |
| 245 void profile_not_taken_branch(Register scratch1, Register scratch2); | |
| 246 void profile_call(Register scratch1, Register scratch2); | |
| 247 void profile_final_call(Register scratch1, Register scratch2); | |
| 248 void profile_virtual_call(Register Rreceiver, Register Rscratch1, Register Rscratch2, bool receiver_can_be_null); | |
| 249 void profile_typecheck(Register Rklass, Register Rscratch1, Register Rscratch2); | |
| 250 void profile_typecheck_failed(Register Rscratch1, Register Rscratch2); | |
| 251 void profile_ret(TosState state, Register return_bci, Register scratch1, Register scratch2); | |
| 252 void profile_switch_default(Register scratch1, Register scratch2); | |
| 253 void profile_switch_case(Register index, Register scratch1,Register scratch2, Register scratch3); | |
| 254 void profile_null_seen(Register Rscratch1, Register Rscratch2); | |
| 255 void record_klass_in_profile(Register receiver, Register scratch1, Register scratch2, bool is_virtual_call); | |
| 256 void record_klass_in_profile_helper(Register receiver, Register scratch1, Register scratch2, int start_row, Label& done, bool is_virtual_call); | |
| 257 | |
| 258 #endif // !CC_INTERP | |
| 259 | |
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260 // Debugging |
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261 void verify_oop(Register reg, TosState state = atos); // only if +VerifyOops && state == atos |
| 17804 | 262 #ifndef CC_INTERP |
| 263 void verify_oop_or_return_address(Register reg, Register rtmp); // for astore | |
| 264 void verify_FPU(int stack_depth, TosState state = ftos); | |
| 265 #endif // !CC_INTERP | |
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266 |
| 17804 | 267 typedef enum { NotifyJVMTI, SkipNotifyJVMTI } NotifyMethodExitMode; |
| 268 | |
| 269 // Support for jvmdi/jvmpi. | |
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270 void notify_method_entry(); |
| 17804 | 271 void notify_method_exit(bool is_native_method, TosState state, |
| 272 NotifyMethodExitMode mode, bool check_exceptions); | |
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273 |
| 14445 | 274 #ifdef CC_INTERP |
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275 // Convert the current TOP_IJAVA_FRAME into a PARENT_IJAVA_FRAME |
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276 // (using parent_frame_resize) and push a new interpreter |
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277 // TOP_IJAVA_FRAME (using frame_size). |
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278 void push_interpreter_frame(Register top_frame_size, Register parent_frame_resize, |
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279 Register tmp1, Register tmp2, Register tmp3, Register tmp4, Register pc=noreg); |
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280 |
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281 // Pop the topmost TOP_IJAVA_FRAME and convert the previous |
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282 // PARENT_IJAVA_FRAME back into a TOP_IJAVA_FRAME. |
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283 void pop_interpreter_frame(Register tmp1, Register tmp2, Register tmp3, Register tmp4); |
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284 |
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285 // Turn state's interpreter frame into the current TOP_IJAVA_FRAME. |
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286 void pop_interpreter_frame_to_state(Register state, Register tmp1, Register tmp2, Register tmp3); |
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287 |
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288 // Set SP to initial caller's sp, but before fix the back chain. |
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289 void resize_frame_to_initial_caller(Register tmp1, Register tmp2); |
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290 |
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291 // Pop the current interpreter state (without popping the |
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292 // correspoding frame) and restore R14_state and R15_prev_state |
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293 // accordingly. Use prev_state_may_be_0 to indicate whether |
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294 // prev_state may be 0 in order to generate an extra check before |
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295 // retrieving prev_state_(_prev_link). |
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296 void pop_interpreter_state(bool prev_state_may_be_0); |
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297 |
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298 void restore_prev_state(); |
| 14445 | 299 #endif |
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300 }; |
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301 |
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302 #endif // CPU_PPC_VM_INTERP_MASM_PPC_64_HPP |