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Commit	Line	Data
	1	/*
	2	* Copyright (c) 2009 Apple Inc. All rights reserved.
	3	*
	4	* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
	5	*
	6	* This file contains Original Code and/or Modifications of Original Code
	7	* as defined in and that are subject to the Apple Public Source License
	8	* Version 2.0 (the 'License'). You may not use this file except in
	9	* compliance with the License. The rights granted to you under the License
	10	* may not be used to create, or enable the creation or redistribution of,
	11	* unlawful or unlicensed copies of an Apple operating system, or to
	12	* circumvent, violate, or enable the circumvention or violation of, any
	13	* terms of an Apple operating system software license agreement.
	14	*
	15	* Please obtain a copy of the License at
	16	* http://www.opensource.apple.com/apsl/ and read it before using this file.
	17	*
	18	* The Original Code and all software distributed under the License are
	19	* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
	20	* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
	21	* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
	22	* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
	23	* Please see the License for the specific language governing rights and
	24	* limitations under the License.
	25	*
	26	* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
	27	*/
	28
	29	#if !KERNEL
	30
	31	#include <stdlib.h>
	32
	33	/* This demangler is part of the C++ ABI. We don't include it directly from
	34	* <cxxabi.h> so that we can avoid using C++ in the kernel linker.
	35	*/
	36	extern char *
	37	__cxa_demangle(const char* __mangled_name, char* __output_buffer,
	38	size_t* __length, int* __status);
	39
	40	#endif /* !KERNEL */
	41
	42	#include "kxld_demangle.h"
	43
	44	/*******************************************************************************
	45	*******************************************************************************/
	46	const char *
	47	kxld_demangle(const char str, char buffer __unused, size_t length __unused)
	48	{
	49	#if KERNEL
	50	return str;
	51	#else
	52	const char *rval = NULL;
	53	char *demangled = NULL;
	54	int status;
	55
	56	rval = str;
	57
	58	if (!buffer \|\| !length) {
	59	goto finish;
	60	}
	61
	62	/* Symbol names in the symbol table have an extra '_' prepended to them,
	63	* so we skip the first character to make the demangler happy.
	64	*/
	65	demangled = __cxa_demangle(str + 1, *buffer, length, &status);
	66	if (!demangled \|\| status) {
	67	goto finish;
	68	}
	69
	70	*buffer = demangled;
	71	rval = demangled;
	72	finish:
	73	return rval;
	74	#endif
	75	}