Mercurial > hg > truffle
annotate src/os/aix/vm/decoder_aix.hpp @ 17877:17b2fbdb6637
8038297: Avoid placing CTI immediately following cbcond instruction on T4
Summary: Insert a nop between cbcond and CTI
Reviewed-by: kvn, twisti
author | iveresov |
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date | Thu, 10 Apr 2014 23:15:13 -0700 |
parents | 666e6ce3976c |
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rev | line source |
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1 /* |
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2 * Copyright (c) 2011, 2013, Oracle and/or its affiliates. All rights reserved. |
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3 * Copyright 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 #include "utilities/decoder.hpp" |
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27 #include "porting_aix.hpp" |
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28 |
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29 // Provide simple AIXDecoder which enables decoding of C frames in VM. |
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30 class AIXDecoder: public AbstractDecoder { |
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31 public: |
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32 AIXDecoder() { |
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33 _decoder_status = no_error; |
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34 } |
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35 ~AIXDecoder() {} |
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36 |
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37 virtual bool can_decode_C_frame_in_vm() const { return true; } |
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38 |
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39 virtual bool demangle(const char* symbol, char* buf, int buflen) { return false; } // demangled by getFuncName |
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40 |
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41 virtual bool decode(address addr, char* buf, int buflen, int* offset, const char* modulepath) { |
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42 return (::getFuncName((codeptr_t)addr, buf, buflen, offset, 0, 0, 0) == 0); |
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43 } |
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44 virtual bool decode(address addr, char *buf, int buflen, int* offset, const void *base) { |
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45 ShouldNotReachHere(); |
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46 return false; |
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47 } |
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48 }; |