2123 size_t index_size) { |
2123 size_t index_size) { |
2124 const Register temp = rbx; |
2124 const Register temp = rbx; |
2125 assert_different_registers(result, Rcache, index, temp); |
2125 assert_different_registers(result, Rcache, index, temp); |
2126 |
2126 |
2127 Label resolved; |
2127 Label resolved; |
2128 if (byte_no == f1_oop) { |
2128 if (byte_no == f12_oop) { |
2129 // We are resolved if the f1 field contains a non-null object (CallSite, etc.) |
2129 // We are resolved if the f1 field contains a non-null object (CallSite, MethodType, etc.) |
2130 // This kind of CP cache entry does not need to match the flags byte, because |
2130 // This kind of CP cache entry does not need to match bytecode_1 or bytecode_2, because |
2131 // there is a 1-1 relation between bytecode type and CP entry type. |
2131 // there is a 1-1 relation between bytecode type and CP entry type. |
|
2132 // The caller will also load a methodOop from f2. |
2132 assert(result != noreg, ""); //else do cmpptr(Address(...), (int32_t) NULL_WORD) |
2133 assert(result != noreg, ""); //else do cmpptr(Address(...), (int32_t) NULL_WORD) |
2133 __ get_cache_and_index_at_bcp(Rcache, index, 1, index_size); |
2134 __ get_cache_and_index_at_bcp(Rcache, index, 1, index_size); |
2134 __ movptr(result, Address(Rcache, index, Address::times_ptr, constantPoolCacheOopDesc::base_offset() + ConstantPoolCacheEntry::f1_offset())); |
2135 __ movptr(result, Address(Rcache, index, Address::times_ptr, constantPoolCacheOopDesc::base_offset() + ConstantPoolCacheEntry::f1_offset())); |
2135 __ testptr(result, result); |
2136 __ testptr(result, result); |
2136 __ jcc(Assembler::notEqual, resolved); |
2137 __ jcc(Assembler::notEqual, resolved); |
2155 case Bytecodes::_invokespecial: |
2156 case Bytecodes::_invokespecial: |
2156 case Bytecodes::_invokestatic: |
2157 case Bytecodes::_invokestatic: |
2157 case Bytecodes::_invokeinterface: |
2158 case Bytecodes::_invokeinterface: |
2158 entry = CAST_FROM_FN_PTR(address, InterpreterRuntime::resolve_invoke); |
2159 entry = CAST_FROM_FN_PTR(address, InterpreterRuntime::resolve_invoke); |
2159 break; |
2160 break; |
|
2161 case Bytecodes::_invokehandle: |
|
2162 entry = CAST_FROM_FN_PTR(address, InterpreterRuntime::resolve_invokehandle); |
|
2163 break; |
2160 case Bytecodes::_invokedynamic: |
2164 case Bytecodes::_invokedynamic: |
2161 entry = CAST_FROM_FN_PTR(address, InterpreterRuntime::resolve_invokedynamic); |
2165 entry = CAST_FROM_FN_PTR(address, InterpreterRuntime::resolve_invokedynamic); |
2162 break; |
2166 break; |
2163 case Bytecodes::_fast_aldc: |
2167 case Bytecodes::_fast_aldc: |
2164 entry = CAST_FROM_FN_PTR(address, InterpreterRuntime::resolve_ldc); |
2168 entry = CAST_FROM_FN_PTR(address, InterpreterRuntime::resolve_ldc); |
2165 break; |
2169 break; |
2166 case Bytecodes::_fast_aldc_w: |
2170 case Bytecodes::_fast_aldc_w: |
2167 entry = CAST_FROM_FN_PTR(address, InterpreterRuntime::resolve_ldc); |
2171 entry = CAST_FROM_FN_PTR(address, InterpreterRuntime::resolve_ldc); |
2168 break; |
2172 break; |
2169 default: |
2173 default: |
2170 ShouldNotReachHere(); |
2174 fatal(err_msg("unexpected bytecode: %s", Bytecodes::name(bytecode()))); |
2171 break; |
2175 break; |
2172 } |
2176 } |
2173 __ movl(temp, (int) bytecode()); |
2177 __ movl(temp, (int) bytecode()); |
2174 __ call_VM(noreg, entry, temp); |
2178 __ call_VM(noreg, entry, temp); |
2175 |
2179 |
2178 if (result != noreg) |
2182 if (result != noreg) |
2179 __ movptr(result, Address(Rcache, index, Address::times_ptr, constantPoolCacheOopDesc::base_offset() + ConstantPoolCacheEntry::f1_offset())); |
2183 __ movptr(result, Address(Rcache, index, Address::times_ptr, constantPoolCacheOopDesc::base_offset() + ConstantPoolCacheEntry::f1_offset())); |
2180 __ bind(resolved); |
2184 __ bind(resolved); |
2181 } |
2185 } |
2182 |
2186 |
2183 // The Rcache and index registers must be set before call |
2187 // The cache and index registers must be set before call |
2184 void TemplateTable::load_field_cp_cache_entry(Register obj, |
2188 void TemplateTable::load_field_cp_cache_entry(Register obj, |
2185 Register cache, |
2189 Register cache, |
2186 Register index, |
2190 Register index, |
2187 Register off, |
2191 Register off, |
2188 Register flags, |
2192 Register flags, |
2189 bool is_static = false) { |
2193 bool is_static = false) { |
2190 assert_different_registers(cache, index, flags, off); |
2194 assert_different_registers(cache, index, flags, off); |
2191 |
2195 |
2192 ByteSize cp_base_offset = constantPoolCacheOopDesc::base_offset(); |
2196 ByteSize cp_base_offset = constantPoolCacheOopDesc::base_offset(); |
2193 // Field offset |
2197 // Field offset |
2194 __ movptr(off, Address(cache, index, Address::times_8, |
2198 __ movptr(off, Address(cache, index, Address::times_ptr, |
2195 in_bytes(cp_base_offset + |
2199 in_bytes(cp_base_offset + |
2196 ConstantPoolCacheEntry::f2_offset()))); |
2200 ConstantPoolCacheEntry::f2_offset()))); |
2197 // Flags |
2201 // Flags |
2198 __ movl(flags, Address(cache, index, Address::times_8, |
2202 __ movl(flags, Address(cache, index, Address::times_ptr, |
2199 in_bytes(cp_base_offset + |
2203 in_bytes(cp_base_offset + |
2200 ConstantPoolCacheEntry::flags_offset()))); |
2204 ConstantPoolCacheEntry::flags_offset()))); |
2201 |
2205 |
2202 // klass overwrite register |
2206 // klass overwrite register |
2203 if (is_static) { |
2207 if (is_static) { |
2204 __ movptr(obj, Address(cache, index, Address::times_8, |
2208 __ movptr(obj, Address(cache, index, Address::times_ptr, |
2205 in_bytes(cp_base_offset + |
2209 in_bytes(cp_base_offset + |
2206 ConstantPoolCacheEntry::f1_offset()))); |
2210 ConstantPoolCacheEntry::f1_offset()))); |
2207 } |
2211 } |
2208 } |
2212 } |
2209 |
2213 |
2220 assert_different_registers(method, flags); |
2224 assert_different_registers(method, flags); |
2221 assert_different_registers(method, cache, index); |
2225 assert_different_registers(method, cache, index); |
2222 assert_different_registers(itable_index, flags); |
2226 assert_different_registers(itable_index, flags); |
2223 assert_different_registers(itable_index, cache, index); |
2227 assert_different_registers(itable_index, cache, index); |
2224 // determine constant pool cache field offsets |
2228 // determine constant pool cache field offsets |
|
2229 assert(is_invokevirtual == (byte_no == f2_byte), "is_invokevirtual flag redundant"); |
2225 const int method_offset = in_bytes( |
2230 const int method_offset = in_bytes( |
2226 constantPoolCacheOopDesc::base_offset() + |
2231 constantPoolCacheOopDesc::base_offset() + |
2227 (is_invokevirtual |
2232 ((byte_no == f2_byte) |
2228 ? ConstantPoolCacheEntry::f2_offset() |
2233 ? ConstantPoolCacheEntry::f2_offset() |
2229 : ConstantPoolCacheEntry::f1_offset())); |
2234 : ConstantPoolCacheEntry::f1_offset())); |
2230 const int flags_offset = in_bytes(constantPoolCacheOopDesc::base_offset() + |
2235 const int flags_offset = in_bytes(constantPoolCacheOopDesc::base_offset() + |
2231 ConstantPoolCacheEntry::flags_offset()); |
2236 ConstantPoolCacheEntry::flags_offset()); |
2232 // access constant pool cache fields |
2237 // access constant pool cache fields |
2233 const int index_offset = in_bytes(constantPoolCacheOopDesc::base_offset() + |
2238 const int index_offset = in_bytes(constantPoolCacheOopDesc::base_offset() + |
2234 ConstantPoolCacheEntry::f2_offset()); |
2239 ConstantPoolCacheEntry::f2_offset()); |
2235 |
2240 |
2236 if (byte_no == f1_oop) { |
2241 if (byte_no == f12_oop) { |
2237 // Resolved f1_oop goes directly into 'method' register. |
2242 // Resolved f1_oop (CallSite, MethodType, etc.) goes into 'itable_index'. |
2238 assert(is_invokedynamic, ""); |
2243 // Resolved f2_oop (methodOop invoker) will go into 'method' (at index_offset). |
2239 resolve_cache_and_index(byte_no, method, cache, index, sizeof(u4)); |
2244 // See ConstantPoolCacheEntry::set_dynamic_call and set_method_handle. |
|
2245 size_t index_size = (is_invokedynamic ? sizeof(u4) : sizeof(u2)); |
|
2246 resolve_cache_and_index(byte_no, itable_index, cache, index, index_size); |
|
2247 __ movptr(method, Address(cache, index, Address::times_ptr, index_offset)); |
|
2248 itable_index = noreg; // hack to disable load below |
2240 } else { |
2249 } else { |
2241 resolve_cache_and_index(byte_no, noreg, cache, index, sizeof(u2)); |
2250 resolve_cache_and_index(byte_no, noreg, cache, index, sizeof(u2)); |
2242 __ movptr(method, Address(cache, index, Address::times_ptr, method_offset)); |
2251 __ movptr(method, Address(cache, index, Address::times_ptr, method_offset)); |
2243 } |
2252 } |
2244 if (itable_index != noreg) { |
2253 if (itable_index != noreg) { |
|
2254 // pick up itable index from f2 also: |
|
2255 assert(byte_no == f1_byte, "already picked up f1"); |
2245 __ movptr(itable_index, Address(cache, index, Address::times_ptr, index_offset)); |
2256 __ movptr(itable_index, Address(cache, index, Address::times_ptr, index_offset)); |
2246 } |
2257 } |
2247 __ movl(flags, Address(cache, index, Address::times_ptr, flags_offset)); |
2258 __ movl(flags, Address(cache, index, Address::times_ptr, flags_offset)); |
2248 } |
2259 } |
2249 |
2260 |
2315 const Address field(obj, off, Address::times_1); |
2326 const Address field(obj, off, Address::times_1); |
2316 |
2327 |
2317 Label Done, notByte, notInt, notShort, notChar, |
2328 Label Done, notByte, notInt, notShort, notChar, |
2318 notLong, notFloat, notObj, notDouble; |
2329 notLong, notFloat, notObj, notDouble; |
2319 |
2330 |
2320 __ shrl(flags, ConstantPoolCacheEntry::tosBits); |
2331 __ shrl(flags, ConstantPoolCacheEntry::tos_state_shift); |
|
2332 // Make sure we don't need to mask edx after the above shift |
2321 assert(btos == 0, "change code, btos != 0"); |
2333 assert(btos == 0, "change code, btos != 0"); |
2322 |
2334 |
2323 __ andl(flags, 0x0F); |
2335 __ andl(flags, ConstantPoolCacheEntry::tos_state_mask); |
2324 __ jcc(Assembler::notZero, notByte); |
2336 __ jcc(Assembler::notZero, notByte); |
2325 // btos |
2337 // btos |
2326 __ load_signed_byte(rax, field); |
2338 __ load_signed_byte(rax, field); |
2327 __ push(btos); |
2339 __ push(btos); |
2328 // Rewrite bytecode to be faster |
2340 // Rewrite bytecode to be faster |
2464 // we must find the type to determine where the object is. |
2476 // we must find the type to determine where the object is. |
2465 __ movl(c_rarg3, Address(c_rarg2, rscratch1, |
2477 __ movl(c_rarg3, Address(c_rarg2, rscratch1, |
2466 Address::times_8, |
2478 Address::times_8, |
2467 in_bytes(cp_base_offset + |
2479 in_bytes(cp_base_offset + |
2468 ConstantPoolCacheEntry::flags_offset()))); |
2480 ConstantPoolCacheEntry::flags_offset()))); |
2469 __ shrl(c_rarg3, ConstantPoolCacheEntry::tosBits); |
2481 __ shrl(c_rarg3, ConstantPoolCacheEntry::tos_state_shift); |
2470 // Make sure we don't need to mask rcx for tosBits after the |
2482 // Make sure we don't need to mask rcx after the above shift |
2471 // above shift |
2483 ConstantPoolCacheEntry::verify_tos_state_shift(); |
2472 ConstantPoolCacheEntry::verify_tosBits(); |
|
2473 __ movptr(c_rarg1, at_tos_p1()); // initially assume a one word jvalue |
2484 __ movptr(c_rarg1, at_tos_p1()); // initially assume a one word jvalue |
2474 __ cmpl(c_rarg3, ltos); |
2485 __ cmpl(c_rarg3, ltos); |
2475 __ cmovptr(Assembler::equal, |
2486 __ cmovptr(Assembler::equal, |
2476 c_rarg1, at_tos_p2()); // ltos (two word jvalue) |
2487 c_rarg1, at_tos_p2()); // ltos (two word jvalue) |
2477 __ cmpl(c_rarg3, dtos); |
2488 __ cmpl(c_rarg3, dtos); |
2514 // volatile_barrier(Assembler::Membar_mask_bits(Assembler::LoadStore | |
2525 // volatile_barrier(Assembler::Membar_mask_bits(Assembler::LoadStore | |
2515 // Assembler::StoreStore)); |
2526 // Assembler::StoreStore)); |
2516 |
2527 |
2517 Label notVolatile, Done; |
2528 Label notVolatile, Done; |
2518 __ movl(rdx, flags); |
2529 __ movl(rdx, flags); |
2519 __ shrl(rdx, ConstantPoolCacheEntry::volatileField); |
2530 __ shrl(rdx, ConstantPoolCacheEntry::is_volatile_shift); |
2520 __ andl(rdx, 0x1); |
2531 __ andl(rdx, 0x1); |
2521 |
2532 |
2522 // field address |
2533 // field address |
2523 const Address field(obj, off, Address::times_1); |
2534 const Address field(obj, off, Address::times_1); |
2524 |
2535 |
2525 Label notByte, notInt, notShort, notChar, |
2536 Label notByte, notInt, notShort, notChar, |
2526 notLong, notFloat, notObj, notDouble; |
2537 notLong, notFloat, notObj, notDouble; |
2527 |
2538 |
2528 __ shrl(flags, ConstantPoolCacheEntry::tosBits); |
2539 __ shrl(flags, ConstantPoolCacheEntry::tos_state_shift); |
2529 |
2540 |
2530 assert(btos == 0, "change code, btos != 0"); |
2541 assert(btos == 0, "change code, btos != 0"); |
2531 __ andl(flags, 0x0f); |
2542 __ andl(flags, ConstantPoolCacheEntry::tos_state_mask); |
2532 __ jcc(Assembler::notZero, notByte); |
2543 __ jcc(Assembler::notZero, notByte); |
2533 |
2544 |
2534 // btos |
2545 // btos |
2535 { |
2546 { |
2536 __ pop(btos); |
2547 __ pop(btos); |
2830 // [jk] not needed currently |
2841 // [jk] not needed currently |
2831 // if (os::is_MP()) { |
2842 // if (os::is_MP()) { |
2832 // __ movl(rdx, Address(rcx, rbx, Address::times_8, |
2843 // __ movl(rdx, Address(rcx, rbx, Address::times_8, |
2833 // in_bytes(constantPoolCacheOopDesc::base_offset() + |
2844 // in_bytes(constantPoolCacheOopDesc::base_offset() + |
2834 // ConstantPoolCacheEntry::flags_offset()))); |
2845 // ConstantPoolCacheEntry::flags_offset()))); |
2835 // __ shrl(rdx, ConstantPoolCacheEntry::volatileField); |
2846 // __ shrl(rdx, ConstantPoolCacheEntry::is_volatile_shift); |
2836 // __ andl(rdx, 0x1); |
2847 // __ andl(rdx, 0x1); |
2837 // } |
2848 // } |
2838 __ movptr(rbx, Address(rcx, rbx, Address::times_8, |
2849 __ movptr(rbx, Address(rcx, rbx, Address::times_8, |
2839 in_bytes(constantPoolCacheOopDesc::base_offset() + |
2850 in_bytes(constantPoolCacheOopDesc::base_offset() + |
2840 ConstantPoolCacheEntry::f2_offset()))); |
2851 ConstantPoolCacheEntry::f2_offset()))); |
2938 void TemplateTable::count_calls(Register method, Register temp) { |
2949 void TemplateTable::count_calls(Register method, Register temp) { |
2939 // implemented elsewhere |
2950 // implemented elsewhere |
2940 ShouldNotReachHere(); |
2951 ShouldNotReachHere(); |
2941 } |
2952 } |
2942 |
2953 |
2943 void TemplateTable::prepare_invoke(Register method, Register index, int byte_no) { |
2954 void TemplateTable::prepare_invoke(int byte_no, |
|
2955 Register method, // linked method (or i-klass) |
|
2956 Register index, // itable index, MethodType, etc. |
|
2957 Register recv, // if caller wants to see it |
|
2958 Register flags // if caller wants to test it |
|
2959 ) { |
2944 // determine flags |
2960 // determine flags |
2945 Bytecodes::Code code = bytecode(); |
2961 const Bytecodes::Code code = bytecode(); |
2946 const bool is_invokeinterface = code == Bytecodes::_invokeinterface; |
2962 const bool is_invokeinterface = code == Bytecodes::_invokeinterface; |
2947 const bool is_invokedynamic = code == Bytecodes::_invokedynamic; |
2963 const bool is_invokedynamic = code == Bytecodes::_invokedynamic; |
|
2964 const bool is_invokehandle = code == Bytecodes::_invokehandle; |
2948 const bool is_invokevirtual = code == Bytecodes::_invokevirtual; |
2965 const bool is_invokevirtual = code == Bytecodes::_invokevirtual; |
2949 const bool is_invokespecial = code == Bytecodes::_invokespecial; |
2966 const bool is_invokespecial = code == Bytecodes::_invokespecial; |
2950 const bool load_receiver = (code != Bytecodes::_invokestatic && code != Bytecodes::_invokedynamic); |
2967 const bool load_receiver = (recv != noreg); |
2951 const bool receiver_null_check = is_invokespecial; |
2968 const bool save_flags = (flags != noreg); |
2952 const bool save_flags = is_invokeinterface || is_invokevirtual; |
2969 assert(load_receiver == (code != Bytecodes::_invokestatic && code != Bytecodes::_invokedynamic), ""); |
|
2970 assert(save_flags == (is_invokeinterface || is_invokevirtual), "need flags for vfinal"); |
|
2971 assert(flags == noreg || flags == rdx, ""); |
|
2972 assert(recv == noreg || recv == rcx, ""); |
|
2973 |
2953 // setup registers & access constant pool cache |
2974 // setup registers & access constant pool cache |
2954 const Register recv = rcx; |
2975 if (recv == noreg) recv = rcx; |
2955 const Register flags = rdx; |
2976 if (flags == noreg) flags = rdx; |
2956 assert_different_registers(method, index, recv, flags); |
2977 assert_different_registers(method, index, recv, flags); |
2957 |
2978 |
2958 // save 'interpreter return address' |
2979 // save 'interpreter return address' |
2959 __ save_bcp(); |
2980 __ save_bcp(); |
2960 |
2981 |
2961 load_invoke_cp_cache_entry(byte_no, method, index, flags, is_invokevirtual, false, is_invokedynamic); |
2982 load_invoke_cp_cache_entry(byte_no, method, index, flags, is_invokevirtual, false, is_invokedynamic); |
2962 |
2983 |
2963 // load receiver if needed (note: no return address pushed yet) |
2984 // maybe push appendix to arguments (just before return address) |
|
2985 if (is_invokedynamic || is_invokehandle) { |
|
2986 Label L_no_push; |
|
2987 __ verify_oop(index); |
|
2988 __ testl(flags, (1 << ConstantPoolCacheEntry::has_appendix_shift)); |
|
2989 __ jccb(Assembler::zero, L_no_push); |
|
2990 // Push the appendix as a trailing parameter. |
|
2991 // This must be done before we get the receiver, |
|
2992 // since the parameter_size includes it. |
|
2993 __ push(index); // push appendix (MethodType, CallSite, etc.) |
|
2994 __ bind(L_no_push); |
|
2995 } |
|
2996 |
|
2997 // load receiver if needed (after appendix is pushed so parameter size is correct) |
|
2998 // Note: no return address pushed yet |
2964 if (load_receiver) { |
2999 if (load_receiver) { |
2965 assert(!is_invokedynamic, ""); |
|
2966 __ movl(recv, flags); |
3000 __ movl(recv, flags); |
2967 __ andl(recv, 0xFF); |
3001 __ andl(recv, ConstantPoolCacheEntry::parameter_size_mask); |
2968 Address recv_addr(rsp, recv, Address::times_8, -Interpreter::expr_offset_in_bytes(1)); |
3002 const int no_return_pc_pushed_yet = -1; // argument slot correction before we push return address |
|
3003 const int receiver_is_at_end = -1; // back off one slot to get receiver |
|
3004 Address recv_addr = __ argument_address(recv, no_return_pc_pushed_yet + receiver_is_at_end); |
2969 __ movptr(recv, recv_addr); |
3005 __ movptr(recv, recv_addr); |
2970 __ verify_oop(recv); |
3006 __ verify_oop(recv); |
2971 } |
3007 } |
2972 |
3008 |
2973 // do null check if needed |
|
2974 if (receiver_null_check) { |
|
2975 __ null_check(recv); |
|
2976 } |
|
2977 |
|
2978 if (save_flags) { |
3009 if (save_flags) { |
2979 __ movl(r13, flags); |
3010 __ movl(r13, flags); |
2980 } |
3011 } |
2981 |
3012 |
2982 // compute return type |
3013 // compute return type |
2983 __ shrl(flags, ConstantPoolCacheEntry::tosBits); |
3014 __ shrl(flags, ConstantPoolCacheEntry::tos_state_shift); |
2984 // Make sure we don't need to mask flags for tosBits after the above shift |
3015 // Make sure we don't need to mask flags after the above shift |
2985 ConstantPoolCacheEntry::verify_tosBits(); |
3016 ConstantPoolCacheEntry::verify_tos_state_shift(); |
2986 // load return address |
3017 // load return address |
2987 { |
3018 { |
2988 address table_addr; |
3019 const address table_addr = (is_invokeinterface || is_invokedynamic) ? |
2989 if (is_invokeinterface || is_invokedynamic) |
3020 (address)Interpreter::return_5_addrs_by_index_table() : |
2990 table_addr = (address)Interpreter::return_5_addrs_by_index_table(); |
3021 (address)Interpreter::return_3_addrs_by_index_table(); |
2991 else |
|
2992 table_addr = (address)Interpreter::return_3_addrs_by_index_table(); |
|
2993 ExternalAddress table(table_addr); |
3022 ExternalAddress table(table_addr); |
2994 __ lea(rscratch1, table); |
3023 __ lea(rscratch1, table); |
2995 __ movptr(flags, Address(rscratch1, flags, Address::times_ptr)); |
3024 __ movptr(flags, Address(rscratch1, flags, Address::times_ptr)); |
2996 } |
3025 } |
2997 |
3026 |
2998 // push return address |
3027 // push return address |
2999 __ push(flags); |
3028 __ push(flags); |
3000 |
3029 |
3001 // Restore flag field from the constant pool cache, and restore esi |
3030 // Restore flags value from the constant pool cache, and restore rsi |
3002 // for later null checks. r13 is the bytecode pointer |
3031 // for later null checks. r13 is the bytecode pointer |
3003 if (save_flags) { |
3032 if (save_flags) { |
3004 __ movl(flags, r13); |
3033 __ movl(flags, r13); |
3005 __ restore_bcp(); |
3034 __ restore_bcp(); |
3006 } |
3035 } |
3010 void TemplateTable::invokevirtual_helper(Register index, |
3039 void TemplateTable::invokevirtual_helper(Register index, |
3011 Register recv, |
3040 Register recv, |
3012 Register flags) { |
3041 Register flags) { |
3013 // Uses temporary registers rax, rdx |
3042 // Uses temporary registers rax, rdx |
3014 assert_different_registers(index, recv, rax, rdx); |
3043 assert_different_registers(index, recv, rax, rdx); |
|
3044 assert(index == rbx, ""); |
|
3045 assert(recv == rcx, ""); |
3015 |
3046 |
3016 // Test for an invoke of a final method |
3047 // Test for an invoke of a final method |
3017 Label notFinal; |
3048 Label notFinal; |
3018 __ movl(rax, flags); |
3049 __ movl(rax, flags); |
3019 __ andl(rax, (1 << ConstantPoolCacheEntry::vfinalMethod)); |
3050 __ andl(rax, (1 << ConstantPoolCacheEntry::is_vfinal_shift)); |
3020 __ jcc(Assembler::zero, notFinal); |
3051 __ jcc(Assembler::zero, notFinal); |
3021 |
3052 |
3022 const Register method = index; // method must be rbx |
3053 const Register method = index; // method must be rbx |
3023 assert(method == rbx, |
3054 assert(method == rbx, |
3024 "methodOop must be rbx for interpreter calling convention"); |
3055 "methodOop must be rbx for interpreter calling convention"); |
3025 |
3056 |
3026 // do the call - the index is actually the method to call |
3057 // do the call - the index is actually the method to call |
|
3058 // that is, f2 is a vtable index if !is_vfinal, else f2 is a methodOop |
3027 __ verify_oop(method); |
3059 __ verify_oop(method); |
3028 |
3060 |
3029 // It's final, need a null check here! |
3061 // It's final, need a null check here! |
3030 __ null_check(recv); |
3062 __ null_check(recv); |
3031 |
3063 |
3037 __ bind(notFinal); |
3069 __ bind(notFinal); |
3038 |
3070 |
3039 // get receiver klass |
3071 // get receiver klass |
3040 __ null_check(recv, oopDesc::klass_offset_in_bytes()); |
3072 __ null_check(recv, oopDesc::klass_offset_in_bytes()); |
3041 __ load_klass(rax, recv); |
3073 __ load_klass(rax, recv); |
3042 |
|
3043 __ verify_oop(rax); |
3074 __ verify_oop(rax); |
3044 |
3075 |
3045 // profile this call |
3076 // profile this call |
3046 __ profile_virtual_call(rax, r14, rdx); |
3077 __ profile_virtual_call(rax, r14, rdx); |
3047 |
3078 |
3048 // get target methodOop & entry point |
3079 // get target methodOop & entry point |
3049 const int base = instanceKlass::vtable_start_offset() * wordSize; |
3080 __ lookup_virtual_method(rax, index, method); |
3050 assert(vtableEntry::size() * wordSize == 8, |
|
3051 "adjust the scaling in the code below"); |
|
3052 __ movptr(method, Address(rax, index, |
|
3053 Address::times_8, |
|
3054 base + vtableEntry::method_offset_in_bytes())); |
|
3055 __ movptr(rdx, Address(method, methodOopDesc::interpreter_entry_offset())); |
|
3056 __ jump_from_interpreted(method, rdx); |
3081 __ jump_from_interpreted(method, rdx); |
3057 } |
3082 } |
3058 |
3083 |
3059 |
3084 |
3060 void TemplateTable::invokevirtual(int byte_no) { |
3085 void TemplateTable::invokevirtual(int byte_no) { |
3061 transition(vtos, vtos); |
3086 transition(vtos, vtos); |
3062 assert(byte_no == f2_byte, "use this argument"); |
3087 assert(byte_no == f2_byte, "use this argument"); |
3063 prepare_invoke(rbx, noreg, byte_no); |
3088 prepare_invoke(byte_no, |
|
3089 rbx, // method or vtable index |
|
3090 noreg, // unused itable index |
|
3091 rcx, rdx); // recv, flags |
3064 |
3092 |
3065 // rbx: index |
3093 // rbx: index |
3066 // rcx: receiver |
3094 // rcx: receiver |
3067 // rdx: flags |
3095 // rdx: flags |
3068 |
3096 |
3071 |
3099 |
3072 |
3100 |
3073 void TemplateTable::invokespecial(int byte_no) { |
3101 void TemplateTable::invokespecial(int byte_no) { |
3074 transition(vtos, vtos); |
3102 transition(vtos, vtos); |
3075 assert(byte_no == f1_byte, "use this argument"); |
3103 assert(byte_no == f1_byte, "use this argument"); |
3076 prepare_invoke(rbx, noreg, byte_no); |
3104 prepare_invoke(byte_no, rbx, noreg, // get f1 methodOop |
|
3105 rcx); // get receiver also for null check |
|
3106 __ verify_oop(rcx); |
|
3107 __ null_check(rcx); |
3077 // do the call |
3108 // do the call |
3078 __ verify_oop(rbx); |
3109 __ verify_oop(rbx); |
3079 __ profile_call(rax); |
3110 __ profile_call(rax); |
3080 __ jump_from_interpreted(rbx, rax); |
3111 __ jump_from_interpreted(rbx, rax); |
3081 } |
3112 } |
3082 |
3113 |
3083 |
3114 |
3084 void TemplateTable::invokestatic(int byte_no) { |
3115 void TemplateTable::invokestatic(int byte_no) { |
3085 transition(vtos, vtos); |
3116 transition(vtos, vtos); |
3086 assert(byte_no == f1_byte, "use this argument"); |
3117 assert(byte_no == f1_byte, "use this argument"); |
3087 prepare_invoke(rbx, noreg, byte_no); |
3118 prepare_invoke(byte_no, rbx); // get f1 methodOop |
3088 // do the call |
3119 // do the call |
3089 __ verify_oop(rbx); |
3120 __ verify_oop(rbx); |
3090 __ profile_call(rax); |
3121 __ profile_call(rax); |
3091 __ jump_from_interpreted(rbx, rax); |
3122 __ jump_from_interpreted(rbx, rax); |
3092 } |
3123 } |
3098 } |
3129 } |
3099 |
3130 |
3100 void TemplateTable::invokeinterface(int byte_no) { |
3131 void TemplateTable::invokeinterface(int byte_no) { |
3101 transition(vtos, vtos); |
3132 transition(vtos, vtos); |
3102 assert(byte_no == f1_byte, "use this argument"); |
3133 assert(byte_no == f1_byte, "use this argument"); |
3103 prepare_invoke(rax, rbx, byte_no); |
3134 prepare_invoke(byte_no, rax, rbx, // get f1 klassOop, f2 itable index |
3104 |
3135 rcx, rdx); // recv, flags |
3105 // rax: Interface |
3136 |
3106 // rbx: index |
3137 // rax: interface klass (from f1) |
|
3138 // rbx: itable index (from f2) |
3107 // rcx: receiver |
3139 // rcx: receiver |
3108 // rdx: flags |
3140 // rdx: flags |
3109 |
3141 |
3110 // Special case of invokeinterface called for virtual method of |
3142 // Special case of invokeinterface called for virtual method of |
3111 // java.lang.Object. See cpCacheOop.cpp for details. |
3143 // java.lang.Object. See cpCacheOop.cpp for details. |
3112 // This code isn't produced by javac, but could be produced by |
3144 // This code isn't produced by javac, but could be produced by |
3113 // another compliant java compiler. |
3145 // another compliant java compiler. |
3114 Label notMethod; |
3146 Label notMethod; |
3115 __ movl(r14, rdx); |
3147 __ movl(r14, rdx); |
3116 __ andl(r14, (1 << ConstantPoolCacheEntry::methodInterface)); |
3148 __ andl(r14, (1 << ConstantPoolCacheEntry::is_forced_virtual_shift)); |
3117 __ jcc(Assembler::zero, notMethod); |
3149 __ jcc(Assembler::zero, notMethod); |
3118 |
3150 |
3119 invokevirtual_helper(rbx, rcx, rdx); |
3151 invokevirtual_helper(rbx, rcx, rdx); |
3120 __ bind(notMethod); |
3152 __ bind(notMethod); |
3121 |
3153 |
3122 // Get receiver klass into rdx - also a null check |
3154 // Get receiver klass into rdx - also a null check |
3123 __ restore_locals(); // restore r14 |
3155 __ restore_locals(); // restore r14 |
|
3156 __ null_check(rcx, oopDesc::klass_offset_in_bytes()); |
3124 __ load_klass(rdx, rcx); |
3157 __ load_klass(rdx, rcx); |
3125 __ verify_oop(rdx); |
3158 __ verify_oop(rdx); |
3126 |
3159 |
3127 // profile this call |
3160 // profile this call |
3128 __ profile_virtual_call(rdx, r13, r14); |
3161 __ profile_virtual_call(rdx, r13, r14); |
3170 __ restore_locals(); // make sure locals pointer is correct as well (was destroyed) |
3203 __ restore_locals(); // make sure locals pointer is correct as well (was destroyed) |
3171 __ call_VM(noreg, CAST_FROM_FN_PTR(address, |
3204 __ call_VM(noreg, CAST_FROM_FN_PTR(address, |
3172 InterpreterRuntime::throw_IncompatibleClassChangeError)); |
3205 InterpreterRuntime::throw_IncompatibleClassChangeError)); |
3173 // the call_VM checks for exception, so we should never return here. |
3206 // the call_VM checks for exception, so we should never return here. |
3174 __ should_not_reach_here(); |
3207 __ should_not_reach_here(); |
3175 return; |
3208 } |
3176 } |
3209 |
|
3210 |
|
3211 void TemplateTable::invokehandle(int byte_no) { |
|
3212 transition(vtos, vtos); |
|
3213 assert(byte_no == f12_oop, "use this argument"); |
|
3214 const Register rbx_method = rbx; // f2 |
|
3215 const Register rax_mtype = rax; // f1 |
|
3216 const Register rcx_recv = rcx; |
|
3217 const Register rdx_flags = rdx; |
|
3218 |
|
3219 if (!EnableInvokeDynamic) { |
|
3220 // rewriter does not generate this bytecode |
|
3221 __ should_not_reach_here(); |
|
3222 return; |
|
3223 } |
|
3224 |
|
3225 prepare_invoke(byte_no, |
|
3226 rbx_method, rax_mtype, // get f2 methodOop, f1 MethodType |
|
3227 rcx_recv); |
|
3228 __ verify_oop(rbx_method); |
|
3229 __ verify_oop(rcx_recv); |
|
3230 __ null_check(rcx_recv); |
|
3231 |
|
3232 // Note: rax_mtype is already pushed (if necessary) by prepare_invoke |
|
3233 |
|
3234 // FIXME: profile the LambdaForm also |
|
3235 __ profile_final_call(rax); |
|
3236 |
|
3237 __ jump_from_interpreted(rbx_method, rdx); |
|
3238 } |
|
3239 |
3177 |
3240 |
3178 void TemplateTable::invokedynamic(int byte_no) { |
3241 void TemplateTable::invokedynamic(int byte_no) { |
3179 transition(vtos, vtos); |
3242 transition(vtos, vtos); |
3180 assert(byte_no == f1_oop, "use this argument"); |
3243 assert(byte_no == f12_oop, "use this argument"); |
3181 |
3244 |
3182 if (!EnableInvokeDynamic) { |
3245 if (!EnableInvokeDynamic) { |
3183 // We should not encounter this bytecode if !EnableInvokeDynamic. |
3246 // We should not encounter this bytecode if !EnableInvokeDynamic. |
3184 // The verifier will stop it. However, if we get past the verifier, |
3247 // The verifier will stop it. However, if we get past the verifier, |
3185 // this will stop the thread in a reasonable way, without crashing the JVM. |
3248 // this will stop the thread in a reasonable way, without crashing the JVM. |
3188 // the call_VM checks for exception, so we should never return here. |
3251 // the call_VM checks for exception, so we should never return here. |
3189 __ should_not_reach_here(); |
3252 __ should_not_reach_here(); |
3190 return; |
3253 return; |
3191 } |
3254 } |
3192 |
3255 |
3193 prepare_invoke(rax, rbx, byte_no); |
3256 const Register rbx_method = rbx; |
3194 |
3257 const Register rax_callsite = rax; |
3195 // rax: CallSite object (f1) |
3258 |
3196 // rbx: unused (f2) |
3259 prepare_invoke(byte_no, rbx_method, rax_callsite); |
3197 // rcx: receiver address |
3260 |
3198 // rdx: flags (unused) |
3261 // rax: CallSite object (from f1) |
3199 |
3262 // rbx: MH.linkToCallSite method (from f2) |
3200 Register rax_callsite = rax; |
3263 |
3201 Register rcx_method_handle = rcx; |
3264 // Note: rax_callsite is already pushed by prepare_invoke |
3202 |
3265 |
3203 // %%% should make a type profile for any invokedynamic that takes a ref argument |
3266 // %%% should make a type profile for any invokedynamic that takes a ref argument |
3204 // profile this call |
3267 // profile this call |
3205 __ profile_call(r13); |
3268 __ profile_call(r13); |
3206 |
3269 |
3207 __ verify_oop(rax_callsite); |
3270 __ verify_oop(rax_callsite); |
3208 __ load_heap_oop(rcx_method_handle, Address(rax_callsite, __ delayed_value(java_lang_invoke_CallSite::target_offset_in_bytes, rdx))); |
3271 |
3209 __ null_check(rcx_method_handle); |
3272 __ jump_from_interpreted(rbx_method, rdx); |
3210 __ verify_oop(rcx_method_handle); |
|
3211 __ prepare_to_jump_from_interpreted(); |
|
3212 __ jump_to_method_handle_entry(rcx_method_handle, rdx); |
|
3213 } |
3273 } |
3214 |
3274 |
3215 |
3275 |
3216 //----------------------------------------------------------------------------- |
3276 //----------------------------------------------------------------------------- |
3217 // Allocation |
3277 // Allocation |