Fri, 29 Apr 2016 00:06:10 +0800
Added MIPS 64-bit port.
aoqi@1 | 1 | /* |
aoqi@1 | 2 | * Copyright (c) 2003, 2012, Oracle and/or its affiliates. All rights reserved. |
aoqi@1 | 3 | * Copyright (c) 2015, 2016, Loongson Technology. All rights reserved. |
aoqi@1 | 4 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
aoqi@1 | 5 | * |
aoqi@1 | 6 | * This code is free software; you can redistribute it and/or modify it |
aoqi@1 | 7 | * under the terms of the GNU General Public License version 2 only, as |
aoqi@1 | 8 | * published by the Free Software Foundation. |
aoqi@1 | 9 | * |
aoqi@1 | 10 | * This code is distributed in the hope that it will be useful, but WITHOUT |
aoqi@1 | 11 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
aoqi@1 | 12 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
aoqi@1 | 13 | * version 2 for more details (a copy is included in the LICENSE file that |
aoqi@1 | 14 | * accompanied this code). |
aoqi@1 | 15 | * |
aoqi@1 | 16 | * You should have received a copy of the GNU General Public License version |
aoqi@1 | 17 | * 2 along with this work; if not, write to the Free Software Foundation, |
aoqi@1 | 18 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
aoqi@1 | 19 | * |
aoqi@1 | 20 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
aoqi@1 | 21 | * or visit www.oracle.com if you need additional information or have any |
aoqi@1 | 22 | * questions. |
aoqi@1 | 23 | * |
aoqi@1 | 24 | */ |
aoqi@1 | 25 | |
aoqi@1 | 26 | #include "precompiled.hpp" |
aoqi@1 | 27 | #include "interpreter/interpreter.hpp" |
aoqi@1 | 28 | #include "interpreter/interpreterRuntime.hpp" |
aoqi@1 | 29 | #include "memory/allocation.inline.hpp" |
aoqi@1 | 30 | #include "memory/universe.inline.hpp" |
aoqi@1 | 31 | #include "oops/method.hpp" |
aoqi@1 | 32 | #include "oops/oop.inline.hpp" |
aoqi@1 | 33 | #include "runtime/handles.inline.hpp" |
aoqi@1 | 34 | #include "runtime/icache.hpp" |
aoqi@1 | 35 | #include "runtime/interfaceSupport.hpp" |
aoqi@1 | 36 | #include "runtime/signature.hpp" |
aoqi@1 | 37 | |
aoqi@1 | 38 | |
aoqi@1 | 39 | #define __ _masm-> |
aoqi@1 | 40 | |
aoqi@1 | 41 | // Implementation of SignatureHandlerGenerator |
aoqi@1 | 42 | |
aoqi@1 | 43 | //#define aoqi_test |
aoqi@1 | 44 | void InterpreterRuntime::SignatureHandlerGenerator::move(int from_offset, int to_offset) { |
aoqi@1 | 45 | __ ld(temp(), from(), Interpreter::local_offset_in_bytes(from_offset)); |
aoqi@1 | 46 | __ sd(temp(), to(), to_offset * longSize); |
aoqi@1 | 47 | } |
aoqi@1 | 48 | |
aoqi@1 | 49 | void InterpreterRuntime::SignatureHandlerGenerator::box(int from_offset, int to_offset) { |
aoqi@1 | 50 | __ addi(temp(), from(),Interpreter::local_offset_in_bytes(from_offset) ); |
aoqi@1 | 51 | __ lw(AT, from(), Interpreter::local_offset_in_bytes(from_offset) ); |
aoqi@1 | 52 | |
aoqi@1 | 53 | Label L; |
aoqi@1 | 54 | __ bne(AT, R0, L); |
aoqi@1 | 55 | __ delayed()->nop(); |
aoqi@1 | 56 | __ move(temp(), R0); |
aoqi@1 | 57 | __ bind(L); |
aoqi@1 | 58 | __ sw(temp(), to(), to_offset * wordSize); |
aoqi@1 | 59 | } |
aoqi@1 | 60 | |
aoqi@1 | 61 | void InterpreterRuntime::SignatureHandlerGenerator::generate(uint64_t fingerprint) { |
aoqi@1 | 62 | // generate code to handle arguments |
aoqi@1 | 63 | iterate(fingerprint); |
aoqi@1 | 64 | // return result handler |
aoqi@1 | 65 | __ li(V0, AbstractInterpreter::result_handler(method()->result_type())); |
aoqi@1 | 66 | // return |
aoqi@1 | 67 | __ jr(RA); |
aoqi@1 | 68 | __ delayed()->nop(); |
aoqi@1 | 69 | |
aoqi@1 | 70 | __ flush(); |
aoqi@1 | 71 | } |
aoqi@1 | 72 | |
aoqi@1 | 73 | void InterpreterRuntime::SignatureHandlerGenerator::pass_int() { |
aoqi@1 | 74 | Argument jni_arg(jni_offset()); |
aoqi@1 | 75 | __ lw(temp(), from(), Interpreter::local_offset_in_bytes(offset())); |
aoqi@1 | 76 | __ store_int_argument(temp(), jni_arg); |
aoqi@1 | 77 | } |
aoqi@1 | 78 | |
aoqi@1 | 79 | void InterpreterRuntime::SignatureHandlerGenerator::pass_object() { |
aoqi@1 | 80 | Argument jni_arg(jni_offset()); |
aoqi@1 | 81 | |
aoqi@1 | 82 | Register Rtmp1 = temp(); |
aoqi@1 | 83 | |
aoqi@1 | 84 | // the handle for a receiver will never be null |
aoqi@1 | 85 | bool do_NULL_check = offset() != 0 || is_static(); |
aoqi@1 | 86 | __ ld(Rtmp1, from(), Interpreter::local_offset_in_bytes(offset())); |
aoqi@1 | 87 | |
aoqi@1 | 88 | Label L; |
aoqi@1 | 89 | __ bne(Rtmp1, R0, L); |
aoqi@1 | 90 | __ addu_long(Rtmp1, from(), Interpreter::local_offset_in_bytes(offset())); |
aoqi@1 | 91 | __ move(Rtmp1, R0); |
aoqi@1 | 92 | __ bind(L); |
aoqi@1 | 93 | |
aoqi@1 | 94 | __ store_ptr_argument(Rtmp1, jni_arg); |
aoqi@1 | 95 | } |
aoqi@1 | 96 | |
aoqi@1 | 97 | //the jvm specifies that long type takes 2 stack spaces, so in do_long(), _offset += 2. |
aoqi@1 | 98 | void InterpreterRuntime::SignatureHandlerGenerator::pass_long() { |
aoqi@1 | 99 | Argument jni_arg(jni_offset()); |
aoqi@1 | 100 | /* |
aoqi@1 | 101 | __ lw(temp(), from(), Interpreter::local_offset_in_bytes(offset())); |
aoqi@1 | 102 | __ dsll32(temp(), temp(), 0); |
aoqi@1 | 103 | __ lw(AT, from(), Interpreter::local_offset_in_bytes(offset() + 1)); |
aoqi@1 | 104 | __ daddu(temp(), temp(), AT); |
aoqi@1 | 105 | __ sd(temp(), to(), jni_offset() * longSize); |
aoqi@1 | 106 | */ |
aoqi@1 | 107 | __ ld(temp(), from(), Interpreter::local_offset_in_bytes(offset() + 1)); |
aoqi@1 | 108 | //__ store_long_argument(temp(), jni_arg); |
aoqi@1 | 109 | if(jni_arg.is_Register()) { |
aoqi@1 | 110 | __ move(jni_arg.as_Register(), temp()); |
aoqi@1 | 111 | } else { |
aoqi@1 | 112 | __ sd(temp(), jni_arg.as_caller_address()); |
aoqi@1 | 113 | } |
aoqi@1 | 114 | } |
aoqi@1 | 115 | |
aoqi@1 | 116 | #if (defined _LP64) || (defined N32) |
aoqi@1 | 117 | void InterpreterRuntime::SignatureHandlerGenerator::pass_float() { |
aoqi@1 | 118 | Argument jni_arg(jni_offset()); |
aoqi@1 | 119 | __ lwc1(F4, from(), Interpreter::local_offset_in_bytes(offset())); |
aoqi@1 | 120 | // __ sdc1(F4, to(), jni_offset() * longSize); |
aoqi@1 | 121 | __ store_float_argument(F4, jni_arg); |
aoqi@1 | 122 | } |
aoqi@1 | 123 | |
aoqi@1 | 124 | |
aoqi@1 | 125 | //the jvm specifies that double type takes 2 stack spaces, so in do_double(), _offset += 2. |
aoqi@1 | 126 | void InterpreterRuntime::SignatureHandlerGenerator::pass_double() { |
aoqi@1 | 127 | Argument jni_arg(jni_offset()); |
aoqi@1 | 128 | __ ldc1(F4, from(), Interpreter::local_offset_in_bytes(offset() + 1)); |
aoqi@1 | 129 | __ store_double_argument(F4, jni_arg); |
aoqi@1 | 130 | } |
aoqi@1 | 131 | #endif |
aoqi@1 | 132 | |
aoqi@1 | 133 | |
aoqi@1 | 134 | inline Register InterpreterRuntime::SignatureHandlerGenerator::from() { return LVP; } |
aoqi@1 | 135 | inline Register InterpreterRuntime::SignatureHandlerGenerator::to() { return SP; } |
aoqi@1 | 136 | inline Register InterpreterRuntime::SignatureHandlerGenerator::temp() { return RT4; } |
aoqi@1 | 137 | |
aoqi@1 | 138 | // Implementation of SignatureHandlerLibrary |
aoqi@1 | 139 | |
aoqi@1 | 140 | void SignatureHandlerLibrary::pd_set_handler(address handler) {} |
aoqi@1 | 141 | |
aoqi@1 | 142 | |
aoqi@1 | 143 | class SlowSignatureHandler |
aoqi@1 | 144 | : public NativeSignatureIterator { |
aoqi@1 | 145 | private: |
aoqi@1 | 146 | address _from; |
aoqi@1 | 147 | intptr_t* _to; |
aoqi@1 | 148 | intptr_t* _reg_args; |
aoqi@1 | 149 | intptr_t* _fp_identifiers; |
aoqi@1 | 150 | unsigned int _num_args; |
aoqi@1 | 151 | //bool _align; |
aoqi@1 | 152 | |
aoqi@1 | 153 | virtual void pass_int() |
aoqi@1 | 154 | { |
aoqi@1 | 155 | jint from_obj = *(jint *)(_from+Interpreter::local_offset_in_bytes(0)); |
aoqi@1 | 156 | _from -= Interpreter::stackElementSize; |
aoqi@1 | 157 | |
aoqi@1 | 158 | if (_num_args < Argument::n_register_parameters) { |
aoqi@1 | 159 | *_reg_args++ = from_obj; |
aoqi@1 | 160 | _num_args++; |
aoqi@1 | 161 | } else { |
aoqi@1 | 162 | *_to++ = from_obj; |
aoqi@1 | 163 | } |
aoqi@1 | 164 | } |
aoqi@1 | 165 | |
aoqi@1 | 166 | virtual void pass_long() |
aoqi@1 | 167 | { |
aoqi@1 | 168 | intptr_t from_obj = *(intptr_t*)(_from+Interpreter::local_offset_in_bytes(1)); |
aoqi@1 | 169 | _from -= 2 * Interpreter::stackElementSize; |
aoqi@1 | 170 | |
aoqi@1 | 171 | if (_num_args < Argument::n_register_parameters) { |
aoqi@1 | 172 | *_reg_args++ = from_obj; |
aoqi@1 | 173 | _num_args++; |
aoqi@1 | 174 | } else { |
aoqi@1 | 175 | *_to++ = from_obj; |
aoqi@1 | 176 | } |
aoqi@1 | 177 | } |
aoqi@1 | 178 | |
aoqi@1 | 179 | virtual void pass_object() |
aoqi@1 | 180 | { |
aoqi@1 | 181 | intptr_t *from_addr = (intptr_t*)(_from + Interpreter::local_offset_in_bytes(0)); |
aoqi@1 | 182 | _from -= Interpreter::stackElementSize; |
aoqi@1 | 183 | if (_num_args < Argument::n_register_parameters) { |
aoqi@1 | 184 | *_reg_args++ = (*from_addr == 0) ? NULL : (intptr_t) from_addr; |
aoqi@1 | 185 | _num_args++; |
aoqi@1 | 186 | } else { |
aoqi@1 | 187 | *_to++ = (*from_addr == 0) ? NULL : (intptr_t) from_addr; |
aoqi@1 | 188 | } |
aoqi@1 | 189 | } |
aoqi@1 | 190 | |
aoqi@1 | 191 | virtual void pass_float() |
aoqi@1 | 192 | { |
aoqi@1 | 193 | jint from_obj = *(jint *)(_from+Interpreter::local_offset_in_bytes(0)); |
aoqi@1 | 194 | _from -= Interpreter::stackElementSize; |
aoqi@1 | 195 | |
aoqi@1 | 196 | if (_num_args < Argument::n_float_register_parameters) { |
aoqi@1 | 197 | *_reg_args++ = from_obj; |
aoqi@1 | 198 | *_fp_identifiers |= (0x01 << (_num_args*2)); // mark as float |
aoqi@1 | 199 | _num_args++; |
aoqi@1 | 200 | } else { |
aoqi@1 | 201 | *_to++ = from_obj; |
aoqi@1 | 202 | } |
aoqi@1 | 203 | } |
aoqi@1 | 204 | |
aoqi@1 | 205 | virtual void pass_double() |
aoqi@1 | 206 | { |
aoqi@1 | 207 | intptr_t from_obj = *(intptr_t*)(_from+Interpreter::local_offset_in_bytes(1)); |
aoqi@1 | 208 | _from -= 2*Interpreter::stackElementSize; |
aoqi@1 | 209 | |
aoqi@1 | 210 | if (_num_args < Argument::n_float_register_parameters) { |
aoqi@1 | 211 | *_reg_args++ = from_obj; |
aoqi@1 | 212 | *_fp_identifiers |= (0x3 << (_num_args*2)); // mark as double |
aoqi@1 | 213 | _num_args++; |
aoqi@1 | 214 | } else { |
aoqi@1 | 215 | *_to++ = from_obj; |
aoqi@1 | 216 | } |
aoqi@1 | 217 | } |
aoqi@1 | 218 | |
aoqi@1 | 219 | public: |
aoqi@1 | 220 | SlowSignatureHandler(methodHandle method, address from, intptr_t* to) |
aoqi@1 | 221 | : NativeSignatureIterator(method) |
aoqi@1 | 222 | { |
aoqi@1 | 223 | _from = from; |
aoqi@1 | 224 | _to = to; |
aoqi@1 | 225 | |
aoqi@1 | 226 | //_reg_args = to - (method->is_static() ? 8 : 9); |
aoqi@1 | 227 | _reg_args = to - Argument::n_register_parameters + jni_offset() - 1; |
aoqi@1 | 228 | _fp_identifiers = to - 1; |
aoqi@1 | 229 | // _to = _to + 4; // Windows reserves stack space for register arguments |
aoqi@1 | 230 | *(int*) _fp_identifiers = 0; |
aoqi@1 | 231 | //_num_args = (method->is_static() ? 1 : 0); |
aoqi@1 | 232 | _num_args = jni_offset(); |
aoqi@1 | 233 | } |
aoqi@1 | 234 | }; |
aoqi@1 | 235 | |
aoqi@1 | 236 | |
aoqi@1 | 237 | IRT_ENTRY(address, |
aoqi@1 | 238 | InterpreterRuntime::slow_signature_handler(JavaThread* thread, |
aoqi@1 | 239 | Method* method, |
aoqi@1 | 240 | intptr_t* from, |
aoqi@1 | 241 | intptr_t* to)) |
aoqi@1 | 242 | methodHandle m(thread, (Method*)method); |
aoqi@1 | 243 | assert(m->is_native(), "sanity check"); |
aoqi@1 | 244 | |
aoqi@1 | 245 | // handle arguments |
aoqi@1 | 246 | SlowSignatureHandler(m, (address)from, to).iterate(UCONST64(-1)); |
aoqi@1 | 247 | |
aoqi@1 | 248 | // return result handler |
aoqi@1 | 249 | return Interpreter::result_handler(m->result_type()); |
aoqi@1 | 250 | IRT_END |