Mercurial > hg > truffle
annotate src/cpu/x86/vm/interpreterRT_x86_32.cpp @ 7212:291ffc492eb6
Merge with http://hg.openjdk.java.net/hsx/hsx25/hotspot/
| author | Doug Simon <doug.simon@oracle.com> |
|---|---|
| date | Fri, 14 Dec 2012 14:35:13 +0100 |
| parents | da91efe96a93 |
| children |
| rev | line source |
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| 0 | 1 /* |
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2 * Copyright (c) 1998, 2012, 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 | |
| 1972 | 25 #include "precompiled.hpp" |
| 26 #include "interpreter/interpreter.hpp" | |
| 27 #include "interpreter/interpreterRuntime.hpp" | |
| 28 #include "memory/allocation.inline.hpp" | |
| 29 #include "memory/universe.inline.hpp" | |
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30 #include "oops/method.hpp" |
| 1972 | 31 #include "oops/oop.inline.hpp" |
| 32 #include "runtime/handles.inline.hpp" | |
| 33 #include "runtime/icache.hpp" | |
| 34 #include "runtime/interfaceSupport.hpp" | |
| 35 #include "runtime/signature.hpp" | |
| 0 | 36 |
| 37 | |
| 38 #define __ _masm-> | |
| 39 | |
| 40 | |
| 41 // Implementation of SignatureHandlerGenerator | |
| 42 void InterpreterRuntime::SignatureHandlerGenerator::pass_int() { | |
| 43 move(offset(), jni_offset() + 1); | |
| 44 } | |
| 45 | |
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46 void InterpreterRuntime::SignatureHandlerGenerator::pass_float() { |
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47 move(offset(), jni_offset() + 1); |
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48 } |
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49 |
| 0 | 50 void InterpreterRuntime::SignatureHandlerGenerator::pass_long() { |
| 51 move(offset(), jni_offset() + 2); | |
| 52 move(offset() + 1, jni_offset() + 1); | |
| 53 } | |
| 54 | |
| 55 void InterpreterRuntime::SignatureHandlerGenerator::pass_object() { | |
| 56 box (offset(), jni_offset() + 1); | |
| 57 } | |
| 58 | |
| 59 void InterpreterRuntime::SignatureHandlerGenerator::move(int from_offset, int to_offset) { | |
| 60 __ movl(temp(), Address(from(), Interpreter::local_offset_in_bytes(from_offset))); | |
| 61 __ movl(Address(to(), to_offset * wordSize), temp()); | |
| 62 } | |
| 63 | |
| 64 | |
| 65 void InterpreterRuntime::SignatureHandlerGenerator::box(int from_offset, int to_offset) { | |
| 304 | 66 __ lea(temp(), Address(from(), Interpreter::local_offset_in_bytes(from_offset))); |
| 67 __ cmpptr(Address(from(), Interpreter::local_offset_in_bytes(from_offset)), (int32_t)NULL_WORD); // do not use temp() to avoid AGI | |
| 0 | 68 Label L; |
| 69 __ jcc(Assembler::notZero, L); | |
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70 __ movptr(temp(), NULL_WORD); |
| 0 | 71 __ bind(L); |
| 304 | 72 __ movptr(Address(to(), to_offset * wordSize), temp()); |
| 0 | 73 } |
| 74 | |
| 75 | |
| 76 void InterpreterRuntime::SignatureHandlerGenerator::generate( uint64_t fingerprint) { | |
| 77 // generate code to handle arguments | |
| 78 iterate(fingerprint); | |
| 79 // return result handler | |
| 80 __ lea(rax, | |
| 81 ExternalAddress((address)Interpreter::result_handler(method()->result_type()))); | |
| 82 // return | |
| 83 __ ret(0); | |
| 84 __ flush(); | |
| 85 } | |
| 86 | |
| 87 | |
| 88 Register InterpreterRuntime::SignatureHandlerGenerator::from() { return rdi; } | |
| 89 Register InterpreterRuntime::SignatureHandlerGenerator::to() { return rsp; } | |
| 90 Register InterpreterRuntime::SignatureHandlerGenerator::temp() { return rcx; } | |
| 91 | |
| 92 | |
| 93 // Implementation of SignatureHandlerLibrary | |
| 94 | |
| 95 void SignatureHandlerLibrary::pd_set_handler(address handler) {} | |
| 96 | |
| 97 class SlowSignatureHandler: public NativeSignatureIterator { | |
| 98 private: | |
| 99 address _from; | |
| 100 intptr_t* _to; | |
| 101 | |
| 102 virtual void pass_int() { | |
| 103 *_to++ = *(jint *)(_from+Interpreter::local_offset_in_bytes(0)); | |
| 1506 | 104 _from -= Interpreter::stackElementSize; |
| 0 | 105 } |
| 106 | |
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107 virtual void pass_float() { |
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108 *_to++ = *(jint *)(_from+Interpreter::local_offset_in_bytes(0)); |
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109 _from -= Interpreter::stackElementSize; |
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110 } |
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111 |
| 0 | 112 virtual void pass_long() { |
| 113 _to[0] = *(intptr_t*)(_from+Interpreter::local_offset_in_bytes(1)); | |
| 114 _to[1] = *(intptr_t*)(_from+Interpreter::local_offset_in_bytes(0)); | |
| 115 _to += 2; | |
| 1506 | 116 _from -= 2*Interpreter::stackElementSize; |
| 0 | 117 } |
| 118 | |
| 119 virtual void pass_object() { | |
| 120 // pass address of from | |
| 121 intptr_t from_addr = (intptr_t)(_from + Interpreter::local_offset_in_bytes(0)); | |
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122 *_to++ = (*(intptr_t*)from_addr == 0) ? NULL_WORD : from_addr; |
| 1506 | 123 _from -= Interpreter::stackElementSize; |
| 0 | 124 } |
| 125 | |
| 126 public: | |
| 127 SlowSignatureHandler(methodHandle method, address from, intptr_t* to) : | |
| 128 NativeSignatureIterator(method) { | |
| 129 _from = from; | |
| 130 _to = to + (is_static() ? 2 : 1); | |
| 131 } | |
| 132 }; | |
| 133 | |
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134 IRT_ENTRY(address, InterpreterRuntime::slow_signature_handler(JavaThread* thread, Method* method, intptr_t* from, intptr_t* to)) |
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135 methodHandle m(thread, (Method*)method); |
| 0 | 136 assert(m->is_native(), "sanity check"); |
| 137 // handle arguments | |
| 138 SlowSignatureHandler(m, (address)from, to + 1).iterate(UCONST64(-1)); | |
| 139 // return result handler | |
| 140 return Interpreter::result_handler(m->result_type()); | |
| 141 IRT_END |