Mercurial > hg > graal-compiler
annotate src/cpu/sparc/vm/interpreterRT_sparc.cpp @ 1681:126ea7725993
6953477: Increase portability and flexibility of building Hotspot
Summary: A collection of portability improvements including shared code support for PPC, ARM platforms, software floating point, cross compilation support and improvements in error crash detail.
Reviewed-by: phh, never, coleenp, dholmes
| author | bobv |
|---|---|
| date | Tue, 03 Aug 2010 08:13:38 -0400 |
| parents | c18cbe5936b8 |
| children | f95d63e2154a |
| rev | line source |
|---|---|
| 0 | 1 /* |
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2 * Copyright (c) 1998, 2010, Oracle and/or its affiliates. All rights reserved. |
| 0 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 * | |
| 5 * This code is free software; you can redistribute it and/or modify it | |
| 6 * under the terms of the GNU General Public License version 2 only, as | |
| 7 * published by the Free Software Foundation. | |
| 8 * | |
| 9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 12 * version 2 for more details (a copy is included in the LICENSE file that | |
| 13 * accompanied this code). | |
| 14 * | |
| 15 * You should have received a copy of the GNU General Public License version | |
| 16 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 18 * | |
|
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 25 #include "incls/_precompiled.incl" | |
| 26 #include "incls/_interpreterRT_sparc.cpp.incl" | |
| 27 | |
| 28 | |
| 29 #define __ _masm-> | |
| 30 | |
| 31 | |
| 32 // Implementation of SignatureHandlerGenerator | |
| 33 | |
| 34 void InterpreterRuntime::SignatureHandlerGenerator::pass_word(int size_of_arg, int offset_in_arg) { | |
| 35 Argument jni_arg(jni_offset() + offset_in_arg, false); | |
| 36 Register Rtmp = O0; | |
| 37 __ ld(Llocals, Interpreter::local_offset_in_bytes(offset()), Rtmp); | |
| 38 | |
| 39 __ store_argument(Rtmp, jni_arg); | |
| 40 } | |
| 41 | |
| 42 void InterpreterRuntime::SignatureHandlerGenerator::pass_long() { | |
| 43 Argument jni_arg(jni_offset(), false); | |
| 44 Register Rtmp = O0; | |
| 45 | |
| 46 #ifdef _LP64 | |
| 47 __ ldx(Llocals, Interpreter::local_offset_in_bytes(offset() + 1), Rtmp); | |
| 48 __ store_long_argument(Rtmp, jni_arg); | |
| 49 #else | |
| 50 __ ld(Llocals, Interpreter::local_offset_in_bytes(offset() + 1), Rtmp); | |
| 51 __ store_argument(Rtmp, jni_arg); | |
| 52 __ ld(Llocals, Interpreter::local_offset_in_bytes(offset() + 0), Rtmp); | |
| 53 Argument successor(jni_arg.successor()); | |
| 54 __ store_argument(Rtmp, successor); | |
| 55 #endif | |
| 56 } | |
| 57 | |
| 58 | |
| 59 void InterpreterRuntime::SignatureHandlerGenerator::pass_float() { | |
| 60 Argument jni_arg(jni_offset(), false); | |
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61 #ifdef _LP64 |
| 0 | 62 FloatRegister Rtmp = F0; |
| 63 __ ldf(FloatRegisterImpl::S, Llocals, Interpreter::local_offset_in_bytes(offset()), Rtmp); | |
| 64 __ store_float_argument(Rtmp, jni_arg); | |
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65 #else |
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66 Register Rtmp = O0; |
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67 __ ld(Llocals, Interpreter::local_offset_in_bytes(offset()), Rtmp); |
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68 __ store_argument(Rtmp, jni_arg); |
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69 #endif |
| 0 | 70 } |
| 71 | |
| 72 | |
| 73 void InterpreterRuntime::SignatureHandlerGenerator::pass_double() { | |
| 74 Argument jni_arg(jni_offset(), false); | |
| 75 #ifdef _LP64 | |
| 76 FloatRegister Rtmp = F0; | |
| 77 __ ldf(FloatRegisterImpl::D, Llocals, Interpreter::local_offset_in_bytes(offset() + 1), Rtmp); | |
| 78 __ store_double_argument(Rtmp, jni_arg); | |
| 79 #else | |
| 80 Register Rtmp = O0; | |
| 81 __ ld(Llocals, Interpreter::local_offset_in_bytes(offset() + 1), Rtmp); | |
| 82 __ store_argument(Rtmp, jni_arg); | |
| 83 __ ld(Llocals, Interpreter::local_offset_in_bytes(offset()), Rtmp); | |
| 84 Argument successor(jni_arg.successor()); | |
| 85 __ store_argument(Rtmp, successor); | |
| 86 #endif | |
| 87 } | |
| 88 | |
| 89 void InterpreterRuntime::SignatureHandlerGenerator::pass_object() { | |
| 90 Argument jni_arg(jni_offset(), false); | |
| 91 Argument java_arg( offset(), true); | |
| 92 Register Rtmp1 = O0; | |
| 93 Register Rtmp2 = jni_arg.is_register() ? jni_arg.as_register() : O0; | |
| 94 Register Rtmp3 = G3_scratch; | |
| 95 | |
| 96 // the handle for a receiver will never be null | |
| 97 bool do_NULL_check = offset() != 0 || is_static(); | |
| 98 | |
| 727 | 99 Address h_arg = Address(Llocals, Interpreter::local_offset_in_bytes(offset())); |
| 0 | 100 __ ld_ptr(h_arg, Rtmp1); |
| 101 if (!do_NULL_check) { | |
| 727 | 102 __ add(h_arg.base(), h_arg.disp(), Rtmp2); |
| 0 | 103 } else { |
| 104 if (Rtmp1 == Rtmp2) | |
| 105 __ tst(Rtmp1); | |
| 106 else __ addcc(G0, Rtmp1, Rtmp2); // optimize mov/test pair | |
| 107 Label L; | |
| 108 __ brx(Assembler::notZero, true, Assembler::pt, L); | |
| 727 | 109 __ delayed()->add(h_arg.base(), h_arg.disp(), Rtmp2); |
| 0 | 110 __ bind(L); |
| 111 } | |
| 112 __ store_ptr_argument(Rtmp2, jni_arg); // this is often a no-op | |
| 113 } | |
| 114 | |
| 115 | |
| 116 void InterpreterRuntime::SignatureHandlerGenerator::generate(uint64_t fingerprint) { | |
| 117 | |
| 118 // generate code to handle arguments | |
| 119 iterate(fingerprint); | |
| 120 | |
| 121 // return result handler | |
| 727 | 122 AddressLiteral result_handler(Interpreter::result_handler(method()->result_type())); |
| 123 __ sethi(result_handler, Lscratch); | |
| 0 | 124 __ retl(); |
| 727 | 125 __ delayed()->add(Lscratch, result_handler.low10(), Lscratch); |
| 0 | 126 |
| 127 __ flush(); | |
| 128 } | |
| 129 | |
| 130 | |
| 131 // Implementation of SignatureHandlerLibrary | |
| 132 | |
| 133 void SignatureHandlerLibrary::pd_set_handler(address handler) {} | |
| 134 | |
| 135 | |
| 136 class SlowSignatureHandler: public NativeSignatureIterator { | |
| 137 private: | |
| 138 address _from; | |
| 139 intptr_t* _to; | |
| 140 intptr_t* _RegArgSignature; // Signature of first Arguments to be passed in Registers | |
| 141 uint _argcount; | |
| 142 | |
| 143 enum { // We need to differenciate float from non floats in reg args | |
| 144 non_float = 0, | |
| 145 float_sig = 1, | |
| 146 double_sig = 2, | |
| 147 long_sig = 3 | |
| 148 }; | |
| 149 | |
| 150 virtual void pass_int() { | |
| 151 *_to++ = *(jint *)(_from+Interpreter::local_offset_in_bytes(0)); | |
| 1506 | 152 _from -= Interpreter::stackElementSize; |
| 0 | 153 add_signature( non_float ); |
| 154 } | |
| 155 | |
| 156 virtual void pass_object() { | |
| 157 // pass address of from | |
| 158 intptr_t *from_addr = (intptr_t*)(_from + Interpreter::local_offset_in_bytes(0)); | |
| 159 *_to++ = (*from_addr == 0) ? NULL : (intptr_t) from_addr; | |
| 1506 | 160 _from -= Interpreter::stackElementSize; |
| 0 | 161 add_signature( non_float ); |
| 162 } | |
| 163 | |
| 164 #ifdef _LP64 | |
| 165 virtual void pass_float() { | |
| 166 *_to++ = *(jint *)(_from+Interpreter::local_offset_in_bytes(0)); | |
| 1506 | 167 _from -= Interpreter::stackElementSize; |
| 0 | 168 add_signature( float_sig ); |
| 169 } | |
| 170 | |
| 171 virtual void pass_double() { | |
| 172 *_to++ = *(intptr_t*)(_from+Interpreter::local_offset_in_bytes(1)); | |
| 1506 | 173 _from -= 2*Interpreter::stackElementSize; |
| 0 | 174 add_signature( double_sig ); |
| 175 } | |
| 176 | |
| 177 virtual void pass_long() { | |
| 178 _to[0] = *(intptr_t*)(_from+Interpreter::local_offset_in_bytes(1)); | |
| 179 _to += 1; | |
| 1506 | 180 _from -= 2*Interpreter::stackElementSize; |
| 0 | 181 add_signature( long_sig ); |
| 182 } | |
| 183 #else | |
| 184 // pass_double() is pass_long() and pass_float() only _LP64 | |
| 185 virtual void pass_long() { | |
| 186 _to[0] = *(intptr_t*)(_from+Interpreter::local_offset_in_bytes(1)); | |
| 187 _to[1] = *(intptr_t*)(_from+Interpreter::local_offset_in_bytes(0)); | |
| 188 _to += 2; | |
| 1506 | 189 _from -= 2*Interpreter::stackElementSize; |
| 0 | 190 add_signature( non_float ); |
| 191 } | |
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192 |
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193 virtual void pass_float() { |
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194 *_to++ = *(jint *)(_from+Interpreter::local_offset_in_bytes(0)); |
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195 _from -= Interpreter::stackElementSize; |
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196 add_signature( non_float ); |
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197 } |
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198 |
| 0 | 199 #endif // _LP64 |
| 200 | |
| 201 virtual void add_signature( intptr_t sig_type ) { | |
| 202 if ( _argcount < (sizeof (intptr_t))*4 ) { | |
| 203 *_RegArgSignature |= (sig_type << (_argcount*2) ); | |
| 204 _argcount++; | |
| 205 } | |
| 206 } | |
| 207 | |
| 208 | |
| 209 public: | |
| 210 SlowSignatureHandler(methodHandle method, address from, intptr_t* to, intptr_t *RegArgSig) : NativeSignatureIterator(method) { | |
| 211 _from = from; | |
| 212 _to = to; | |
| 213 _RegArgSignature = RegArgSig; | |
| 214 *_RegArgSignature = 0; | |
| 215 _argcount = method->is_static() ? 2 : 1; | |
| 216 } | |
| 217 }; | |
| 218 | |
| 219 | |
| 220 IRT_ENTRY(address, InterpreterRuntime::slow_signature_handler( | |
| 221 JavaThread* thread, | |
| 222 methodOopDesc* method, | |
| 223 intptr_t* from, | |
| 224 intptr_t* to )) | |
| 225 methodHandle m(thread, method); | |
| 226 assert(m->is_native(), "sanity check"); | |
| 227 // handle arguments | |
| 228 // Warning: We use reg arg slot 00 temporarily to return the RegArgSignature | |
| 229 // back to the code that pops the arguments into the CPU registers | |
| 230 SlowSignatureHandler(m, (address)from, m->is_static() ? to+2 : to+1, to).iterate(UCONST64(-1)); | |
| 231 // return result handler | |
| 232 return Interpreter::result_handler(m->result_type()); | |
| 233 IRT_END |