1 /* $NetBSD: unwind_arm_ehabi_stub.c,v 1.3 2023/08/23 12:24:59 rin Exp $ */ 2 3 /*- 4 * Copyright (c) 2013 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 17 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 18 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26 * POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #ifndef __ARM_DWARF_EH__ 30 #include <sys/cdefs.h> 31 #include <sys/types.h> 32 #include "unwind.h" 33 34 void _Unwind_VRS_Get(struct _Unwind_Context *, int, _Unwind_Word, int, void *); 35 void _Unwind_VRS_Set(struct _Unwind_Context *, int, _Unwind_Word, int, void *); 36 37 _Unwind_Word 38 _Unwind_GetGR(struct _Unwind_Context *context, int regno) 39 { 40 _Unwind_Word val; 41 _Unwind_VRS_Get(context, 0 /*_UVRSC_CORE*/, regno, 0 /*_UVRSD_UINT32*/, 42 &val); 43 44 return val; 45 } 46 47 _Unwind_Ptr 48 _Unwind_GetIP(struct _Unwind_Context *context) 49 { 50 return (_Unwind_Ptr)(_Unwind_GetGR (context, 15) & ~(_Unwind_Word)1); 51 } 52 53 _Unwind_Ptr 54 _Unwind_GetIPInfo(struct _Unwind_Context *context, int *p) 55 { 56 *p = 0; 57 return _Unwind_GetIP(context); 58 } 59 60 void 61 _Unwind_SetGR(struct _Unwind_Context *context, int reg, _Unwind_Ptr val) 62 { 63 _Unwind_VRS_Set(context, 0 /*_UVRSC_CORE*/, reg, 0 /*_UVRSD_UINT32*/, 64 &val); 65 } 66 67 #endif /* __ARM_DWARF_EH__ */ 68