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 27 #ifndef __ARM_DWARF_EH__ 28 #include <sys/cdefs.h> 29 #include <sys/types.h> 30 #include "unwind.h" 31 32 void _Unwind_VRS_Get(struct _Unwind_Context *, int, _Unwind_Word, int, void *); 33 void _Unwind_VRS_Set(struct _Unwind_Context *, int, _Unwind_Word, int, void *); 34 35 _Unwind_Word 36 _Unwind_GetGR(struct _Unwind_Context *context, int regno) 37 { 38 _Unwind_Word val; 39 _Unwind_VRS_Get(context, 0 /*_UVRSC_CORE*/, regno, 0 /*_UVRSD_UINT32*/, 40 &val); 41 42 return val; 43 } 44 45 _Unwind_Ptr 46 _Unwind_GetIP(struct _Unwind_Context *context) 47 { 48 return (_Unwind_Ptr)(_Unwind_GetGR (context, 15) & ~(_Unwind_Word)1); 49 } 50 51 _Unwind_Ptr 52 _Unwind_GetIPInfo(struct _Unwind_Context *context, int *p) 53 { 54 *p = 0; 55 return _Unwind_GetIP(context); 56 } 57 58 void 59 _Unwind_SetGR(struct _Unwind_Context *context, int reg, _Unwind_Ptr val) 60 { 61 _Unwind_VRS_Set(context, 0 /*_UVRSC_CORE*/, reg, 0 /*_UVRSD_UINT32*/, 62 &val); 63 } 64 65 #endif /* __ARM_DWARF_EH__ */ 66