1 /*- 2 * Copyright (c) 2013 The NetBSD Foundation, Inc. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 15 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 16 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 17 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 18 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 19 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 20 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 21 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 22 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 23 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 24 * POSSIBILITY OF SUCH DAMAGE. 25 */ 26 #include <sys/cdefs.h> 27 #include <sys/types.h> 28 #include "unwind.h" 29 30 void _Unwind_VRS_Get(struct _Unwind_Context *, int, _Unwind_Word, int, void *); 31 void _Unwind_VRS_Set(struct _Unwind_Context *, int, _Unwind_Word, int, void *); 32 33 _Unwind_Word 34 _Unwind_GetGR(struct _Unwind_Context *context, int regno) 35 { 36 _Unwind_Word val; 37 _Unwind_VRS_Get(context, 0 /*_UVRSC_CORE*/, regno, 0 /*_UVRSD_UINT32*/, 38 &val); 39 40 return val; 41 } 42 43 _Unwind_Ptr 44 _Unwind_GetIP(struct _Unwind_Context *context) 45 { 46 return (_Unwind_Ptr)(_Unwind_GetGR (context, 15) & ~(_Unwind_Word)1); 47 } 48 49 _Unwind_Ptr 50 _Unwind_GetIPInfo(struct _Unwind_Context *context, int *p) 51 { 52 *p = 0; 53 return _Unwind_GetIP(context); 54 } 55 56 void 57 _Unwind_SetGR(struct _Unwind_Context *context, int reg, _Unwind_Ptr val) 58 { 59 _Unwind_VRS_Set(context, 0 /*_UVRSC_CORE*/, reg, 0 /*_UVRSD_UINT32*/, 60 &val); 61 } 62