src/os/bsd/vm/decoder_bsd.cpp

Sun, 25 Sep 2011 16:03:29 -0700

author
never
date
Sun, 25 Sep 2011 16:03:29 -0700
changeset 3156
f08d439fab8c
permissions
-rw-r--r--

7089790: integrate bsd-port changes
Reviewed-by: kvn, twisti, jrose
Contributed-by: Kurt Miller <kurt@intricatesoftware.com>, Greg Lewis <glewis@eyesbeyond.com>, Jung-uk Kim <jkim@freebsd.org>, Christos Zoulas <christos@zoulas.com>, Landon Fuller <landonf@plausible.coop>, The FreeBSD Foundation <board@freebsdfoundation.org>, Michael Franz <mvfranz@gmail.com>, Roger Hoover <rhoover@apple.com>, Alexander Strange <astrange@apple.com>

     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  */
    25 #include "prims/jvm.h"
    26 #include "utilities/decoder.hpp"
    28 #include <cxxabi.h>
    30 #ifdef __APPLE__
    32 void Decoder::initialize() {
    33   _initialized = true;
    34 }
    36 void Decoder::uninitialize() {
    37   _initialized = false;
    38 }
    40 bool Decoder::can_decode_C_frame_in_vm() {
    41   return false;
    42 }
    44 Decoder::decoder_status Decoder::decode(address addr, const char* filepath, char *buf, int buflen, int *offset) {
    45   return symbol_not_found;
    46 }
    49 #endif
    51 bool Decoder::demangle(const char* symbol, char *buf, int buflen) {
    52   int   status;
    53   char* result;
    54   size_t size = (size_t)buflen;
    56   // Don't pass buf to __cxa_demangle. In case of the 'buf' is too small,
    57   // __cxa_demangle will call system "realloc" for additional memory, which
    58   // may use different malloc/realloc mechanism that allocates 'buf'.
    59   if ((result = abi::__cxa_demangle(symbol, NULL, NULL, &status)) != NULL) {
    60     jio_snprintf(buf, buflen, "%s", result);
    61       // call c library's free
    62       ::free(result);
    63       return true;
    64   }
    65   return false;
    66 }

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