Wed, 29 Mar 2017 09:41:51 +0800
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aoqi@1 | 1 | /* |
aoqi@1 | 2 | * Copyright (c) 2003, 2014, 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 "asm/macroAssembler.hpp" |
aoqi@1 | 28 | #include "interpreter/bytecodeHistogram.hpp" |
aoqi@1 | 29 | #include "interpreter/interpreter.hpp" |
aoqi@1 | 30 | #include "interpreter/interpreterGenerator.hpp" |
aoqi@1 | 31 | #include "interpreter/interpreterRuntime.hpp" |
aoqi@1 | 32 | #include "interpreter/templateTable.hpp" |
aoqi@1 | 33 | #include "oops/arrayOop.hpp" |
aoqi@1 | 34 | #include "oops/methodData.hpp" |
aoqi@1 | 35 | #include "oops/method.hpp" |
aoqi@1 | 36 | #include "oops/oop.inline.hpp" |
aoqi@1 | 37 | #include "prims/jvmtiExport.hpp" |
aoqi@1 | 38 | #include "prims/jvmtiThreadState.hpp" |
aoqi@1 | 39 | #include "prims/methodHandles.hpp" |
aoqi@1 | 40 | #include "runtime/arguments.hpp" |
aoqi@1 | 41 | #include "runtime/deoptimization.hpp" |
aoqi@1 | 42 | #include "runtime/frame.inline.hpp" |
aoqi@1 | 43 | #include "runtime/sharedRuntime.hpp" |
aoqi@1 | 44 | #include "runtime/stubRoutines.hpp" |
aoqi@1 | 45 | #include "runtime/synchronizer.hpp" |
aoqi@1 | 46 | #include "runtime/timer.hpp" |
aoqi@1 | 47 | #include "runtime/vframeArray.hpp" |
aoqi@1 | 48 | #include "utilities/debug.hpp" |
aoqi@1 | 49 | #ifdef COMPILER1 |
aoqi@1 | 50 | #include "c1/c1_Runtime1.hpp" |
aoqi@1 | 51 | #endif |
aoqi@1 | 52 | |
aoqi@1 | 53 | #define __ _masm-> |
aoqi@1 | 54 | |
aoqi@1 | 55 | |
aoqi@1 | 56 | address AbstractInterpreterGenerator::generate_slow_signature_handler() { |
aoqi@1 | 57 | address entry = __ pc(); |
aoqi@1 | 58 | |
aoqi@1 | 59 | // Rmethod: method |
aoqi@1 | 60 | // LVP: pointer to locals |
aoqi@1 | 61 | // T3: first stack arg - wordSize |
aoqi@1 | 62 | __ move(T3, SP); |
aoqi@1 | 63 | __ pushad(); |
aoqi@1 | 64 | __ call_VM(noreg, |
aoqi@1 | 65 | CAST_FROM_FN_PTR(address, |
aoqi@1 | 66 | InterpreterRuntime::slow_signature_handler), |
aoqi@1 | 67 | Rmethod, LVP, T3); |
aoqi@1 | 68 | __ move(S0, V0); |
aoqi@1 | 69 | __ popad(); |
aoqi@1 | 70 | __ move(V0, S0); |
aoqi@1 | 71 | |
aoqi@1 | 72 | // V0: result handler |
aoqi@1 | 73 | |
aoqi@1 | 74 | // Stack layout: |
aoqi@1 | 75 | // ... |
aoqi@1 | 76 | |
aoqi@1 | 77 | // Do FP first so we can use c_rarg3 as temp |
aoqi@1 | 78 | __ ld(T3, Address(SP, -1 * wordSize)); // float/double identifiers |
aoqi@1 | 79 | |
aoqi@1 | 80 | // A0 is for env. |
aoqi@1 | 81 | // If the mothed is not static, A1 will be corrected in generate_native_entry. |
aoqi@1 | 82 | for ( int i= 1; i < Argument::n_register_parameters; i++ ) { |
aoqi@1 | 83 | Register reg = as_Register(i + A0->encoding()); |
aoqi@1 | 84 | FloatRegister floatreg = as_FloatRegister(i + F12->encoding()); |
aoqi@1 | 85 | Label isfloatordouble, isdouble, next; |
aoqi@1 | 86 | |
aoqi@1 | 87 | __ andi(AT, T3, 1 << (i*2)); // Float or Double? |
aoqi@1 | 88 | __ bne(AT, R0, isfloatordouble); |
aoqi@1 | 89 | __ delayed()->nop(); |
aoqi@1 | 90 | |
aoqi@1 | 91 | // Do Int register here |
aoqi@1 | 92 | __ ld(reg, Address(SP, -(Argument::n_register_parameters + 1 -i) * wordSize)); |
aoqi@1 | 93 | __ b (next); |
aoqi@1 | 94 | __ delayed()->nop(); |
aoqi@1 | 95 | |
aoqi@1 | 96 | __ bind(isfloatordouble); |
aoqi@1 | 97 | __ andi(AT,T3, 1 << ((i*2)+1)); // Double? |
aoqi@1 | 98 | __ bne(AT, R0, isdouble); |
aoqi@1 | 99 | __ delayed()->nop(); |
aoqi@1 | 100 | |
aoqi@1 | 101 | // Do Float Here |
aoqi@1 | 102 | __ lwc1(floatreg, Address(SP, -(Argument::n_float_register_parameters + 1 -i) * wordSize)); |
aoqi@1 | 103 | __ b(next); |
aoqi@1 | 104 | __ delayed()->nop(); |
aoqi@1 | 105 | |
aoqi@1 | 106 | // Do Double here |
aoqi@1 | 107 | __ bind(isdouble); |
aoqi@1 | 108 | __ ldc1(floatreg, Address(SP, -(Argument::n_float_register_parameters + 1 -i) * wordSize)); |
aoqi@1 | 109 | |
aoqi@1 | 110 | __ bind(next); |
aoqi@1 | 111 | } |
aoqi@1 | 112 | |
aoqi@1 | 113 | __ jr(RA); |
aoqi@1 | 114 | __ delayed()->nop(); |
aoqi@1 | 115 | return entry; |
aoqi@1 | 116 | } |
aoqi@1 | 117 | |
aoqi@1 | 118 | |
aoqi@1 | 119 | // |
aoqi@1 | 120 | // Various method entries |
aoqi@1 | 121 | // |
aoqi@1 | 122 | |
aoqi@1 | 123 | address InterpreterGenerator::generate_math_entry(AbstractInterpreter::MethodKind kind) { |
aoqi@1 | 124 | |
aoqi@1 | 125 | // Rmethod: methodOop |
aoqi@1 | 126 | // V0: scratrch |
aoqi@1 | 127 | // esi: send 's sp, should we use Rsender @jerome |
aoqi@1 | 128 | if (!InlineIntrinsics) return NULL; // Generate a vanilla entry |
aoqi@1 | 129 | address entry_point = __ pc(); |
aoqi@1 | 130 | |
aoqi@1 | 131 | // These don't need a safepoint check because they aren't virtually |
aoqi@1 | 132 | // callable. We won't enter these intrinsics from compiled code. |
aoqi@1 | 133 | // If in the future we added an intrinsic which was virtually callable |
aoqi@1 | 134 | // we'd have to worry about how to safepoint so that this code is used. |
aoqi@1 | 135 | |
aoqi@1 | 136 | |
aoqi@1 | 137 | // mathematical functions inlined by compiler |
aoqi@1 | 138 | // (interpreter must provide identical implementation |
aoqi@1 | 139 | // in order to avoid monotonicity bugs when switching |
aoqi@1 | 140 | // from interpreter to compiler in the middle of some |
aoqi@1 | 141 | // computation) |
aoqi@1 | 142 | // |
aoqi@1 | 143 | // stack: [ lo(arg) ] <-- sp |
aoqi@1 | 144 | // [ hi(arg) ] |
aoqi@1 | 145 | /* |
aoqi@1 | 146 | if (Universe::is_jdk12x_version()) { |
aoqi@1 | 147 | // Note: For JDK 1.2 StrictMath doesn't exist and Math.sin/cos/sqrt are |
aoqi@1 | 148 | // native methods. Interpreter::method_kind(...) does a check for |
aoqi@1 | 149 | // native methods first before checking for intrinsic methods and |
aoqi@1 | 150 | // thus will never select this entry point. Make sure it is not |
aoqi@1 | 151 | // called accidentally since the SharedRuntime entry points will |
aoqi@1 | 152 | // not work for JDK 1.2. |
aoqi@1 | 153 | __ should_not_reach_here(); |
aoqi@1 | 154 | } else |
aoqi@1 | 155 | */ |
aoqi@1 | 156 | { |
aoqi@1 | 157 | // Note: For JDK 1.3 StrictMath exists and Math.sin/cos/sqrt are |
aoqi@1 | 158 | // java methods. Interpreter::method_kind(...) will select |
aoqi@1 | 159 | // this entry point for the corresponding methods in JDK 1.3. |
aoqi@1 | 160 | //FIXME, @jerome |
aoqi@1 | 161 | /*if (TaggedStackInterpreter) { |
aoqi@1 | 162 | __ lw(AT, SP,3*wordSize); |
aoqi@1 | 163 | __ push(AT);//push hi note ,SP -=wordSize |
aoqi@1 | 164 | __ lw(AT, SP,2*wordSize); |
aoqi@1 | 165 | __ push(AT);//push lo |
aoqi@1 | 166 | __ lwc1(F12, SP, 2 * wordSize); |
aoqi@1 | 167 | __ lwc1(F13, SP, 3 * wordSize); |
aoqi@1 | 168 | __ sw(RA, SP, (1) * wordSize); |
aoqi@1 | 169 | __ sw(FP, SP, (0) * wordSize); |
aoqi@1 | 170 | __ addi(SP, SP, 2 * wordSize); |
aoqi@1 | 171 | __ move(FP, SP); |
aoqi@1 | 172 | |
aoqi@1 | 173 | }else {*/ |
aoqi@1 | 174 | __ ldc1(F12, SP, 0 * wordSize); |
aoqi@1 | 175 | __ ldc1(F13, SP, 1 * wordSize); |
aoqi@1 | 176 | __ sd(RA, SP, (-1) * wordSize); |
aoqi@1 | 177 | __ sd(FP, SP, (-2) * wordSize); |
aoqi@1 | 178 | __ move(FP, SP); |
aoqi@1 | 179 | __ daddi(SP, SP, (-2) * wordSize); |
aoqi@1 | 180 | |
aoqi@1 | 181 | // } |
aoqi@1 | 182 | // [ fp ] <-- sp |
aoqi@1 | 183 | // [ ra ] |
aoqi@1 | 184 | // [ lo ] <-- fp |
aoqi@1 | 185 | // [ hi ] |
aoqi@1 | 186 | /* |
aoqi@1 | 187 | switch (kind) { |
aoqi@1 | 188 | case Interpreter::java_lang_math_sin : |
aoqi@1 | 189 | __ sincos(true, true); |
aoqi@1 | 190 | break; |
aoqi@1 | 191 | case Interpreter::java_lang_math_cos : |
aoqi@1 | 192 | __ sincos(false, true); |
aoqi@1 | 193 | break; |
aoqi@1 | 194 | case Interpreter::java_lang_math_sqrt: |
aoqi@1 | 195 | __ sqrt_d(F0, F12); |
aoqi@1 | 196 | break; |
aoqi@1 | 197 | default : |
aoqi@1 | 198 | ShouldNotReachHere(); |
aoqi@1 | 199 | } |
aoqi@1 | 200 | */ |
aoqi@1 | 201 | //FIXME, need consider this |
aoqi@1 | 202 | switch (kind) { |
aoqi@1 | 203 | case Interpreter::java_lang_math_sin : |
aoqi@1 | 204 | __ trigfunc('s'); |
aoqi@1 | 205 | break; |
aoqi@1 | 206 | case Interpreter::java_lang_math_cos : |
aoqi@1 | 207 | __ trigfunc('c'); |
aoqi@1 | 208 | break; |
aoqi@1 | 209 | case Interpreter::java_lang_math_tan : |
aoqi@1 | 210 | __ trigfunc('t'); |
aoqi@1 | 211 | break; |
aoqi@1 | 212 | case Interpreter::java_lang_math_sqrt: |
aoqi@1 | 213 | // __ fsqrt(); |
aoqi@1 | 214 | __ sqrt_d(F0, F12); |
aoqi@1 | 215 | break; |
aoqi@1 | 216 | case Interpreter::java_lang_math_abs: |
aoqi@1 | 217 | // __ fabs(); |
aoqi@1 | 218 | __ abs_d(F0, F12); |
aoqi@1 | 219 | break; |
aoqi@1 | 220 | case Interpreter::java_lang_math_log: |
aoqi@1 | 221 | // __ flog(); |
aoqi@1 | 222 | // Store to stack to convert 80bit precision back to 64bits |
aoqi@1 | 223 | // __ push_fTOS(); |
aoqi@1 | 224 | // __ pop_fTOS(); |
aoqi@1 | 225 | break; |
aoqi@1 | 226 | case Interpreter::java_lang_math_log10: |
aoqi@1 | 227 | // __ flog10(); |
aoqi@1 | 228 | // Store to stack to convert 80bit precision back to 64bits |
aoqi@1 | 229 | // __ push_fTOS(); |
aoqi@1 | 230 | // __ pop_fTOS(); |
aoqi@1 | 231 | break; |
aoqi@1 | 232 | case Interpreter::java_lang_math_pow: |
aoqi@1 | 233 | //__ fld_d(Address(rsp, 3*wordSize)); // second argument (one |
aoqi@1 | 234 | // empty stack slot) |
aoqi@1 | 235 | //__ pow_with_fallback(0); |
aoqi@1 | 236 | break; |
aoqi@1 | 237 | case Interpreter::java_lang_math_exp: |
aoqi@1 | 238 | //__ exp_with_fallback(0); |
aoqi@1 | 239 | break; |
aoqi@1 | 240 | |
aoqi@1 | 241 | default : |
aoqi@1 | 242 | ShouldNotReachHere(); |
aoqi@1 | 243 | } |
aoqi@1 | 244 | |
aoqi@1 | 245 | // must maintain return value in F0:F1 |
aoqi@1 | 246 | __ ld(RA, FP, (-1) * wordSize); |
aoqi@1 | 247 | //FIXME |
aoqi@1 | 248 | __ move(SP, Rsender); |
aoqi@1 | 249 | // __ move(SP, T0); |
aoqi@1 | 250 | __ ld(FP, FP, (-2) * wordSize); |
aoqi@1 | 251 | __ jr(RA); |
aoqi@1 | 252 | __ delayed()->nop(); |
aoqi@1 | 253 | } |
aoqi@1 | 254 | return entry_point; |
aoqi@1 | 255 | } |
aoqi@1 | 256 | |
aoqi@1 | 257 | |
aoqi@1 | 258 | // Abstract method entry |
aoqi@1 | 259 | // Attempt to execute abstract method. Throw exception |
aoqi@1 | 260 | address InterpreterGenerator::generate_abstract_entry(void) { |
aoqi@1 | 261 | |
aoqi@1 | 262 | // Rmethod: methodOop |
aoqi@1 | 263 | // V0: receiver (unused) |
aoqi@1 | 264 | // esi: previous interpreter state (C++ interpreter) must preserve |
aoqi@1 | 265 | // Rsender : sender 's sp |
aoqi@1 | 266 | address entry_point = __ pc(); |
aoqi@1 | 267 | |
aoqi@1 | 268 | // abstract method entry |
aoqi@1 | 269 | // throw exception |
aoqi@1 | 270 | // adjust stack to what a normal return would do |
aoqi@1 | 271 | |
aoqi@1 | 272 | //__ movl(esp, esi); |
aoqi@1 | 273 | __ move(SP,Rsender); //FIXME, why jvm6 add this @jerome |
aoqi@1 | 274 | __ call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::throw_AbstractMethodError)); |
aoqi@1 | 275 | // the call_VM checks for exception, so we should never return here. |
aoqi@1 | 276 | __ should_not_reach_here(); |
aoqi@1 | 277 | |
aoqi@1 | 278 | return entry_point; |
aoqi@1 | 279 | } |
aoqi@1 | 280 | |
aoqi@1 | 281 | |
aoqi@1 | 282 | // Empty method, generate a very fast return. |
aoqi@1 | 283 | |
aoqi@1 | 284 | address InterpreterGenerator::generate_empty_entry(void) { |
aoqi@1 | 285 | |
aoqi@1 | 286 | // Rmethod: methodOop |
aoqi@1 | 287 | // V0: receiver (unused) |
aoqi@1 | 288 | // esi: previous interpreter state (C++ interpreter) must preserve |
aoqi@1 | 289 | //Rsender: sender 's sp , must set sp to this value on return , on mips ,now use T0,as it right? |
aoqi@1 | 290 | if (!UseFastEmptyMethods) return NULL; |
aoqi@1 | 291 | |
aoqi@1 | 292 | address entry_point = __ pc(); |
aoqi@1 | 293 | |
aoqi@1 | 294 | Label slow_path; |
aoqi@1 | 295 | __ li(RT0, SafepointSynchronize::address_of_state()); |
aoqi@1 | 296 | __ lw(AT, RT0, 0); |
aoqi@1 | 297 | __ move(RT0, (SafepointSynchronize::_not_synchronized)); |
aoqi@1 | 298 | __ bne(AT, RT0,slow_path); |
aoqi@1 | 299 | __ delayed()->nop(); |
aoqi@1 | 300 | __ move(SP, Rsender); |
aoqi@1 | 301 | __ jr(RA); |
aoqi@1 | 302 | __ delayed()->nop(); |
aoqi@1 | 303 | __ bind(slow_path); |
aoqi@1 | 304 | (void) generate_normal_entry(false); |
aoqi@1 | 305 | |
aoqi@1 | 306 | return entry_point; |
aoqi@1 | 307 | |
aoqi@1 | 308 | } |
aoqi@1 | 309 | |
aoqi@1 | 310 | void Deoptimization::unwind_callee_save_values(frame* f, vframeArray* vframe_array) { |
aoqi@1 | 311 | |
aoqi@1 | 312 | // This code is sort of the equivalent of C2IAdapter::setup_stack_frame back in |
aoqi@1 | 313 | // the days we had adapter frames. When we deoptimize a situation where a |
aoqi@1 | 314 | // compiled caller calls a compiled caller will have registers it expects |
aoqi@1 | 315 | // to survive the call to the callee. If we deoptimize the callee the only |
aoqi@1 | 316 | // way we can restore these registers is to have the oldest interpreter |
aoqi@1 | 317 | // frame that we create restore these values. That is what this routine |
aoqi@1 | 318 | // will accomplish. |
aoqi@1 | 319 | |
aoqi@1 | 320 | // At the moment we have modified c2 to not have any callee save registers |
aoqi@1 | 321 | // so this problem does not exist and this routine is just a place holder. |
aoqi@1 | 322 | |
aoqi@1 | 323 | assert(f->is_interpreted_frame(), "must be interpreted"); |
aoqi@1 | 324 | } |