Mercurial > hg > truffle
annotate src/os/linux/vm/decoder_linux.cpp @ 17937:78bbf4d43a14
8037816: Fix for 8036122 breaks build with Xcode5/clang
8043029: Change 8037816 breaks HS build with older GCC versions which don't support diagnostic pragmas
8043164: Format warning in traceStream.hpp
Summary: Backport of main fix + two corrections, enables clang compilation, turns on format attributes, corrects/mutes warnings
Reviewed-by: kvn, coleenp, iveresov, twisti
author | drchase |
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date | Thu, 22 May 2014 15:52:41 -0400 |
parents | e7cbc95179c4 |
children | 4ca6dc0799b6 |
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1 /* |
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2 * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. |
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8 * |
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9 * This code is distributed in the hope that it will be useful, but WITHOUT |
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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12 * version 2 for more details (a copy is included in the LICENSE file that |
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13 * accompanied this code). |
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14 * |
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15 * You should have received a copy of the GNU General Public License version |
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16 * 2 along with this work; if not, write to the Free Software Foundation, |
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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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. |
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22 * |
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23 */ |
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24 |
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25 #include "prims/jvm.h" |
4803 | 26 #include "utilities/decoder_elf.hpp" |
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27 |
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28 #include <cxxabi.h> |
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29 |
4803 | 30 bool ElfDecoder::demangle(const char* symbol, char *buf, int buflen) { |
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31 int status; |
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32 char* result; |
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33 size_t size = (size_t)buflen; |
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34 |
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35 #ifdef PPC64 |
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36 // On PPC64 ElfDecoder::decode() may return a dot (.) prefixed name |
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37 // (see elfFuncDescTable.hpp for details) |
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38 if (symbol && *symbol == '.') symbol += 1; |
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39 #endif |
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40 |
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41 // Don't pass buf to __cxa_demangle. In case of the 'buf' is too small, |
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42 // __cxa_demangle will call system "realloc" for additional memory, which |
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43 // may use different malloc/realloc mechanism that allocates 'buf'. |
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44 if ((result = abi::__cxa_demangle(symbol, NULL, NULL, &status)) != NULL) { |
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45 jio_snprintf(buf, buflen, "%s", result); |
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46 // call c library's free |
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47 ::free(result); |
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48 return true; |
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49 } |
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50 return false; |
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51 } |
4803 | 52 |