Mercurial > hg > truffle
view src/os/linux/vm/decoder_linux.cpp @ 4174:79c91d220d73
Use callee save area to model the saved rbp register. Remove various hacks that added the saved area size in native code.
author | Christian Wimmer <Christian.Wimmer@Oracle.com> |
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date | Thu, 29 Dec 2011 16:07:35 -0800 |
parents | 2d4762ec74af |
children | d7e3846464d0 |
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/* * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. * */ #include "prims/jvm.h" #include "utilities/decoder.hpp" #include <cxxabi.h> bool Decoder::demangle(const char* symbol, char *buf, int buflen) { int status; char* result; size_t size = (size_t)buflen; // Don't pass buf to __cxa_demangle. In case of the 'buf' is too small, // __cxa_demangle will call system "realloc" for additional memory, which // may use different malloc/realloc mechanism that allocates 'buf'. if ((result = abi::__cxa_demangle(symbol, NULL, NULL, &status)) != NULL) { jio_snprintf(buf, buflen, "%s", result); // call c library's free ::free(result); return true; } return false; }