Mercurial > hg > truffle
annotate src/os/linux/vm/decoder_linux.cpp @ 15252:359c9bb2d2c8
make emitAtomicReadAndAdd and emitAtomicReadAndWrite default methods
author | twisti |
---|---|
date | Fri, 18 Apr 2014 18:30:40 -1000 |
parents | 4ca6dc0799b6 |
children | 52b4284cb496 |
rev | line source |
---|---|
2022
2d4762ec74af
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents:
diff
changeset
|
1 /* |
6842
b9a9ed0f8eeb
7197424: update copyright year to match last edit in jdk8 hotspot repository
mikael
parents:
4803
diff
changeset
|
2 * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved. |
2022
2d4762ec74af
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents:
diff
changeset
|
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
2d4762ec74af
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents:
diff
changeset
|
4 * |
2d4762ec74af
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents:
diff
changeset
|
5 * This code is free software; you can redistribute it and/or modify it |
2d4762ec74af
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents:
diff
changeset
|
6 * under the terms of the GNU General Public License version 2 only, as |
2d4762ec74af
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents:
diff
changeset
|
7 * published by the Free Software Foundation. |
2d4762ec74af
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents:
diff
changeset
|
8 * |
2d4762ec74af
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents:
diff
changeset
|
9 * This code is distributed in the hope that it will be useful, but WITHOUT |
2d4762ec74af
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents:
diff
changeset
|
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
2d4762ec74af
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents:
diff
changeset
|
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
2d4762ec74af
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents:
diff
changeset
|
12 * version 2 for more details (a copy is included in the LICENSE file that |
2d4762ec74af
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents:
diff
changeset
|
13 * accompanied this code). |
2d4762ec74af
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents:
diff
changeset
|
14 * |
2d4762ec74af
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents:
diff
changeset
|
15 * You should have received a copy of the GNU General Public License version |
2d4762ec74af
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents:
diff
changeset
|
16 * 2 along with this work; if not, write to the Free Software Foundation, |
2d4762ec74af
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents:
diff
changeset
|
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
2d4762ec74af
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents:
diff
changeset
|
18 * |
2d4762ec74af
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents:
diff
changeset
|
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
2d4762ec74af
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents:
diff
changeset
|
20 * or visit www.oracle.com if you need additional information or have any |
2d4762ec74af
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents:
diff
changeset
|
21 * questions. |
2d4762ec74af
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents:
diff
changeset
|
22 * |
2d4762ec74af
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents:
diff
changeset
|
23 */ |
2d4762ec74af
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents:
diff
changeset
|
24 |
2d4762ec74af
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents:
diff
changeset
|
25 #include "prims/jvm.h" |
4803 | 26 #include "utilities/decoder_elf.hpp" |
2022
2d4762ec74af
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents:
diff
changeset
|
27 |
2d4762ec74af
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents:
diff
changeset
|
28 #include <cxxabi.h> |
2d4762ec74af
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents:
diff
changeset
|
29 |
4803 | 30 bool ElfDecoder::demangle(const char* symbol, char *buf, int buflen) { |
2022
2d4762ec74af
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents:
diff
changeset
|
31 int status; |
2d4762ec74af
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents:
diff
changeset
|
32 char* result; |
2d4762ec74af
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents:
diff
changeset
|
33 size_t size = (size_t)buflen; |
2d4762ec74af
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents:
diff
changeset
|
34 |
2d4762ec74af
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents:
diff
changeset
|
35 // Don't pass buf to __cxa_demangle. In case of the 'buf' is too small, |
2d4762ec74af
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents:
diff
changeset
|
36 // __cxa_demangle will call system "realloc" for additional memory, which |
2d4762ec74af
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents:
diff
changeset
|
37 // may use different malloc/realloc mechanism that allocates 'buf'. |
2d4762ec74af
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents:
diff
changeset
|
38 if ((result = abi::__cxa_demangle(symbol, NULL, NULL, &status)) != NULL) { |
2d4762ec74af
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents:
diff
changeset
|
39 jio_snprintf(buf, buflen, "%s", result); |
2d4762ec74af
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents:
diff
changeset
|
40 // call c library's free |
2d4762ec74af
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents:
diff
changeset
|
41 ::free(result); |
2d4762ec74af
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents:
diff
changeset
|
42 return true; |
2d4762ec74af
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents:
diff
changeset
|
43 } |
2d4762ec74af
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents:
diff
changeset
|
44 return false; |
2d4762ec74af
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents:
diff
changeset
|
45 } |
4803 | 46 |