Mercurial > hg > graal-compiler
annotate src/cpu/x86/vm/interpreterRT_x86_32.cpp @ 1506:2338d41fbd81
6943304: remove tagged stack interpreter
Reviewed-by: coleenp, never, gbenson
| author | twisti |
|---|---|
| date | Fri, 30 Apr 2010 08:37:24 -0700 |
| parents | 0fbdb4381b99 |
| children | c18cbe5936b8 |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 1506 | 2 * Copyright 1998-2010 Sun Microsystems, Inc. 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 * | |
| 19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, | |
| 20 * CA 95054 USA or visit www.sun.com if you need additional information or | |
| 21 * have any questions. | |
| 22 * | |
| 23 */ | |
| 24 | |
| 25 #include "incls/_precompiled.incl" | |
| 26 #include "incls/_interpreterRT_x86_32.cpp.incl" | |
| 27 | |
| 28 | |
| 29 #define __ _masm-> | |
| 30 | |
| 31 | |
| 32 // Implementation of SignatureHandlerGenerator | |
| 33 void InterpreterRuntime::SignatureHandlerGenerator::pass_int() { | |
| 34 move(offset(), jni_offset() + 1); | |
| 35 } | |
| 36 | |
| 37 void InterpreterRuntime::SignatureHandlerGenerator::pass_long() { | |
| 38 move(offset(), jni_offset() + 2); | |
| 39 move(offset() + 1, jni_offset() + 1); | |
| 40 } | |
| 41 | |
| 42 void InterpreterRuntime::SignatureHandlerGenerator::pass_object() { | |
| 43 box (offset(), jni_offset() + 1); | |
| 44 } | |
| 45 | |
| 46 void InterpreterRuntime::SignatureHandlerGenerator::move(int from_offset, int to_offset) { | |
| 47 __ movl(temp(), Address(from(), Interpreter::local_offset_in_bytes(from_offset))); | |
| 48 __ movl(Address(to(), to_offset * wordSize), temp()); | |
| 49 } | |
| 50 | |
| 51 | |
| 52 void InterpreterRuntime::SignatureHandlerGenerator::box(int from_offset, int to_offset) { | |
| 304 | 53 __ lea(temp(), Address(from(), Interpreter::local_offset_in_bytes(from_offset))); |
| 54 __ cmpptr(Address(from(), Interpreter::local_offset_in_bytes(from_offset)), (int32_t)NULL_WORD); // do not use temp() to avoid AGI | |
| 0 | 55 Label L; |
| 56 __ jcc(Assembler::notZero, L); | |
|
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57 __ movptr(temp(), NULL_WORD); |
| 0 | 58 __ bind(L); |
| 304 | 59 __ movptr(Address(to(), to_offset * wordSize), temp()); |
| 0 | 60 } |
| 61 | |
| 62 | |
| 63 void InterpreterRuntime::SignatureHandlerGenerator::generate( uint64_t fingerprint) { | |
| 64 // generate code to handle arguments | |
| 65 iterate(fingerprint); | |
| 66 // return result handler | |
| 67 __ lea(rax, | |
| 68 ExternalAddress((address)Interpreter::result_handler(method()->result_type()))); | |
| 69 // return | |
| 70 __ ret(0); | |
| 71 __ flush(); | |
| 72 } | |
| 73 | |
| 74 | |
| 75 Register InterpreterRuntime::SignatureHandlerGenerator::from() { return rdi; } | |
| 76 Register InterpreterRuntime::SignatureHandlerGenerator::to() { return rsp; } | |
| 77 Register InterpreterRuntime::SignatureHandlerGenerator::temp() { return rcx; } | |
| 78 | |
| 79 | |
| 80 // Implementation of SignatureHandlerLibrary | |
| 81 | |
| 82 void SignatureHandlerLibrary::pd_set_handler(address handler) {} | |
| 83 | |
| 84 class SlowSignatureHandler: public NativeSignatureIterator { | |
| 85 private: | |
| 86 address _from; | |
| 87 intptr_t* _to; | |
| 88 | |
| 89 virtual void pass_int() { | |
| 90 *_to++ = *(jint *)(_from+Interpreter::local_offset_in_bytes(0)); | |
| 1506 | 91 _from -= Interpreter::stackElementSize; |
| 0 | 92 } |
| 93 | |
| 94 virtual void pass_long() { | |
| 95 _to[0] = *(intptr_t*)(_from+Interpreter::local_offset_in_bytes(1)); | |
| 96 _to[1] = *(intptr_t*)(_from+Interpreter::local_offset_in_bytes(0)); | |
| 97 _to += 2; | |
| 1506 | 98 _from -= 2*Interpreter::stackElementSize; |
| 0 | 99 } |
| 100 | |
| 101 virtual void pass_object() { | |
| 102 // pass address of from | |
| 103 intptr_t from_addr = (intptr_t)(_from + Interpreter::local_offset_in_bytes(0)); | |
|
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104 *_to++ = (*(intptr_t*)from_addr == 0) ? NULL_WORD : from_addr; |
| 1506 | 105 _from -= Interpreter::stackElementSize; |
| 0 | 106 } |
| 107 | |
| 108 public: | |
| 109 SlowSignatureHandler(methodHandle method, address from, intptr_t* to) : | |
| 110 NativeSignatureIterator(method) { | |
| 111 _from = from; | |
| 112 _to = to + (is_static() ? 2 : 1); | |
| 113 } | |
| 114 }; | |
| 115 | |
| 116 IRT_ENTRY(address, InterpreterRuntime::slow_signature_handler(JavaThread* thread, methodOopDesc* method, intptr_t* from, intptr_t* to)) | |
| 117 methodHandle m(thread, (methodOop)method); | |
| 118 assert(m->is_native(), "sanity check"); | |
| 119 // handle arguments | |
| 120 SlowSignatureHandler(m, (address)from, to + 1).iterate(UCONST64(-1)); | |
| 121 // return result handler | |
| 122 return Interpreter::result_handler(m->result_type()); | |
| 123 IRT_END |