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 */ 36extern 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*******************************************************************************/ 46const char * 47kxld_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 if (!str) goto finish; 57 58 rval = str; 59 60 if (!buffer || !length) goto finish; 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) goto finish; 67 68 *buffer = demangled; 69 rval = demangled; 70finish: 71 return rval; 72#endif 73} 74 75