Mercurial > hg > truffle
annotate src/cpu/x86/vm/interpreterRT_x86_32.cpp @ 4582:b24386206122
Made all vm builds go into subdirectories, even product builds to simplify building the various types of VMs (server, client and graal).
Made HotSpot build jobs use the number of CPUs on the host machine.
| author | Doug Simon <doug.simon@oracle.com> |
|---|---|
| date | Mon, 13 Feb 2012 23:13:37 +0100 |
| parents | f95d63e2154a |
| children | da91efe96a93 |
| 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 | |
| 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" | |
| 30 #include "oops/methodOop.hpp" | |
| 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 | |
| 134 IRT_ENTRY(address, InterpreterRuntime::slow_signature_handler(JavaThread* thread, methodOopDesc* method, intptr_t* from, intptr_t* to)) | |
| 135 methodHandle m(thread, (methodOop)method); | |
| 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 |