Mercurial > hg > truffle
annotate src/cpu/ppc/vm/interpreterRT_ppc.hpp @ 20304:a22acf6d7598
8048112: G1 Full GC needs to support the case when the very first region is not available
Summary: Refactor preparation for compaction during Full GC so that it lazily initializes the first compaction point. This also avoids problems later when the first region may not be committed. Also reviewed by K. Barrett.
Reviewed-by: brutisso
author | tschatzl |
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date | Mon, 21 Jul 2014 10:00:31 +0200 |
parents | ec28f9c041ff |
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rev | line source |
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1 /* |
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2 * Copyright (c) 2002, 2013, Oracle and/or its affiliates. All rights reserved. |
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3 * Copyright 2012, 2013 SAP AG. All rights reserved. |
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4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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5 * |
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6 * This code is free software; you can redistribute it and/or modify it |
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7 * under the terms of the GNU General Public License version 2 only, as |
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8 * published by the Free Software Foundation. |
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9 * |
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10 * This code is distributed in the hope that it will be useful, but WITHOUT |
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11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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13 * version 2 for more details (a copy is included in the LICENSE file that |
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14 * accompanied this code). |
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15 * |
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16 * You should have received a copy of the GNU General Public License version |
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17 * 2 along with this work; if not, write to the Free Software Foundation, |
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18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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19 * |
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20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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21 * or visit www.oracle.com if you need additional information or have any |
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22 * questions. |
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23 * |
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24 */ |
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25 |
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26 #ifndef CPU_PPC_VM_INTERPRETERRT_PPC_HPP |
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27 #define CPU_PPC_VM_INTERPRETERRT_PPC_HPP |
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28 |
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29 #include "memory/allocation.hpp" |
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30 |
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31 // native method calls |
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32 |
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33 class SignatureHandlerGenerator: public NativeSignatureIterator { |
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34 private: |
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35 MacroAssembler* _masm; |
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36 // number of already used floating-point argument registers |
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37 int _num_used_fp_arg_regs; |
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38 |
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39 void pass_int(); |
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40 void pass_long(); |
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41 void pass_double(); |
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42 void pass_float(); |
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43 void pass_object(); |
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44 |
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45 public: |
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46 // Creation |
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47 SignatureHandlerGenerator(methodHandle method, CodeBuffer* buffer) : NativeSignatureIterator(method) { |
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48 _masm = new MacroAssembler(buffer); |
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49 _num_used_fp_arg_regs = 0; |
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50 } |
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51 |
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52 // Code generation |
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53 void generate(uint64_t fingerprint); |
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54 }; |
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55 |
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56 // Support for generate_slow_signature_handler. |
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57 static address get_result_handler(JavaThread* thread, Method* method); |
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58 |
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59 // A function to get the signature. |
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60 static address get_signature(JavaThread* thread, Method* method); |
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61 |
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62 #endif // CPU_PPC_VM_INTERPRETERRT_PPC_HPP |