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src/os/bsd/vm/decoder_bsd.cpp@f08d439fab8c (annotated)

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>

never@3156	1	/*
never@3156	2	* Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved.
never@3156	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
never@3156	4	*
never@3156	5	* This code is free software; you can redistribute it and/or modify it
never@3156	6	* under the terms of the GNU General Public License version 2 only, as
never@3156	7	* published by the Free Software Foundation.
never@3156	8	*
never@3156	9	* This code is distributed in the hope that it will be useful, but WITHOUT
never@3156	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
never@3156	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
never@3156	12	* version 2 for more details (a copy is included in the LICENSE file that
never@3156	13	* accompanied this code).
never@3156	14	*
never@3156	15	* You should have received a copy of the GNU General Public License version
never@3156	16	* 2 along with this work; if not, write to the Free Software Foundation,
never@3156	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
never@3156	18	*
never@3156	19	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
never@3156	20	* or visit www.oracle.com if you need additional information or have any
never@3156	21	* questions.
never@3156	22	*
never@3156	23	*/
never@3156	24
never@3156	25	#include "prims/jvm.h"
never@3156	26	#include "utilities/decoder.hpp"
never@3156	27
never@3156	28	#include <cxxabi.h>
never@3156	29
never@3156	30	#ifdef __APPLE__
never@3156	31
never@3156	32	void Decoder::initialize() {
never@3156	33	_initialized = true;
never@3156	34	}
never@3156	35
never@3156	36	void Decoder::uninitialize() {
never@3156	37	_initialized = false;
never@3156	38	}
never@3156	39
never@3156	40	bool Decoder::can_decode_C_frame_in_vm() {
never@3156	41	return false;
never@3156	42	}
never@3156	43
never@3156	44	Decoder::decoder_status Decoder::decode(address addr, const char* filepath, char *buf, int buflen, int *offset) {
never@3156	45	return symbol_not_found;
never@3156	46	}
never@3156	47
never@3156	48
never@3156	49	#endif
never@3156	50
never@3156	51	bool Decoder::demangle(const char* symbol, char *buf, int buflen) {
never@3156	52	int status;
never@3156	53	char* result;
never@3156	54	size_t size = (size_t)buflen;
never@3156	55
never@3156	56	// Don't pass buf to __cxa_demangle. In case of the 'buf' is too small,
never@3156	57	// __cxa_demangle will call system "realloc" for additional memory, which
never@3156	58	// may use different malloc/realloc mechanism that allocates 'buf'.
never@3156	59	if ((result = abi::__cxa_demangle(symbol, NULL, NULL, &status)) != NULL) {
never@3156	60	jio_snprintf(buf, buflen, "%s", result);
never@3156	61	// call c library's free
never@3156	62	::free(result);
never@3156	63	return true;
never@3156	64	}
never@3156	65	return false;
never@3156	66	}