Mercurial > hg > graal-jvmci-8
comparison src/os/linux/vm/decoder_linux.cpp @ 2022:2d4762ec74af
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
Summary: Implemented in-process C native stack frame decoding when symbols are available.
Reviewed-by: coleenp, never
author | zgu |
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date | Sat, 11 Dec 2010 13:20:56 -0500 |
parents | |
children | d7e3846464d0 |
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1972:f95d63e2154a | 2022:2d4762ec74af |
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1 /* | |
2 * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved. | |
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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | |
20 * or visit www.oracle.com if you need additional information or have any | |
21 * questions. | |
22 * | |
23 */ | |
24 | |
25 #include "prims/jvm.h" | |
26 #include "utilities/decoder.hpp" | |
27 | |
28 #include <cxxabi.h> | |
29 | |
30 bool Decoder::demangle(const char* symbol, char *buf, int buflen) { | |
31 int status; | |
32 char* result; | |
33 size_t size = (size_t)buflen; | |
34 | |
35 // Don't pass buf to __cxa_demangle. In case of the 'buf' is too small, | |
36 // __cxa_demangle will call system "realloc" for additional memory, which | |
37 // may use different malloc/realloc mechanism that allocates 'buf'. | |
38 if ((result = abi::__cxa_demangle(symbol, NULL, NULL, &status)) != NULL) { | |
39 jio_snprintf(buf, buflen, "%s", result); | |
40 // call c library's free | |
41 ::free(result); | |
42 return true; | |
43 } | |
44 return false; | |
45 } |