ehabi.h revision 1.1.10.2 1 1.1.10.2 tls /*-
2 1.1.10.2 tls * Copyright (c) 2013 The NetBSD Foundation, Inc.
3 1.1.10.2 tls * All rights reserved.
4 1.1.10.2 tls *
5 1.1.10.2 tls * This code is derived from software contributed to The NetBSD Foundation
6 1.1.10.2 tls * by Matt Thomas of 3am Software Foundry.
7 1.1.10.2 tls *
8 1.1.10.2 tls * Redistribution and use in source and binary forms, with or without
9 1.1.10.2 tls * modification, are permitted provided that the following conditions
10 1.1.10.2 tls * are met:
11 1.1.10.2 tls * 1. Redistributions of source code must retain the above copyright
12 1.1.10.2 tls * notice, this list of conditions and the following disclaimer.
13 1.1.10.2 tls * 2. Redistributions in binary form must reproduce the above copyright
14 1.1.10.2 tls * notice, this list of conditions and the following disclaimer in the
15 1.1.10.2 tls * documentation and/or other materials provided with the distribution.
16 1.1.10.2 tls *
17 1.1.10.2 tls * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
18 1.1.10.2 tls * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
19 1.1.10.2 tls * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
20 1.1.10.2 tls * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
21 1.1.10.2 tls * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
22 1.1.10.2 tls * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
23 1.1.10.2 tls * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
24 1.1.10.2 tls * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
25 1.1.10.2 tls * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
26 1.1.10.2 tls * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
27 1.1.10.2 tls * POSSIBILITY OF SUCH DAMAGE.
28 1.1.10.2 tls */
29 1.1.10.2 tls /* $NetBSD: ehabi.h,v 1.1.10.2 2014/08/20 00:02:46 tls Exp $ */
30 1.1.10.2 tls
31 1.1.10.2 tls #ifndef _ARM_EHABI_H_
32 1.1.10.2 tls #define _ARM_EHABI_H_
33 1.1.10.2 tls
34 1.1.10.2 tls #if defined(_KERNEL) || defined(_STANDALONE)
35 1.1.10.2 tls #include <sys/types.h>
36 1.1.10.2 tls #else
37 1.1.10.2 tls #include <inttypes.h>
38 1.1.10.2 tls #endif
39 1.1.10.2 tls
40 1.1.10.2 tls typedef enum {
41 1.1.10.2 tls _URC_OK = 0, /* operation complete */
42 1.1.10.2 tls _URC_FOREIGN_EXCEPTION_CAUGHT = 1,
43 1.1.10.2 tls _URC_HANDLER_FOUND = 6,
44 1.1.10.2 tls _URC_INSTALL_CONTEXT = 7,
45 1.1.10.2 tls _URC_CONTINUE_UNWIND = 8,
46 1.1.10.2 tls _URC_FAILURE = 9, /* unspecified failure */
47 1.1.10.2 tls } _Unwind_Reason_Code;
48 1.1.10.2 tls
49 1.1.10.2 tls typedef enum {
50 1.1.10.2 tls _UVRSC_CORE = 0, /* integer register */
51 1.1.10.2 tls _UVRSC_VFP = 1, /* vfp */
52 1.1.10.2 tls _UVRSC_WMMXD = 3, /* Intel WMMX data register */
53 1.1.10.2 tls _UVRSC_WMMXC = 4 /* Intel WMMX control register */
54 1.1.10.2 tls } _Unwind_VRS_RegClass;
55 1.1.10.2 tls typedef enum {
56 1.1.10.2 tls _UVRSD_UINT32 = 0,
57 1.1.10.2 tls _UVRSD_VFPX = 1,
58 1.1.10.2 tls _UVRSD_UINT64 = 3,
59 1.1.10.2 tls _UVRSD_FLOAT = 4,
60 1.1.10.2 tls _UVRSD_DOUBLE = 5
61 1.1.10.2 tls } _Unwind_VRS_DataRepresentation;
62 1.1.10.2 tls typedef enum {
63 1.1.10.2 tls _UVRSR_OK = 0,
64 1.1.10.2 tls _UVRSR_NOT_IMPLEMENTED = 1,
65 1.1.10.2 tls _UVRSR_FAILED = 2
66 1.1.10.2 tls } _Unwind_VRS_Result;
67 1.1.10.2 tls
68 1.1.10.2 tls typedef uint32_t _Unwind_State;
69 1.1.10.2 tls static const _Unwind_State _US_VIRTUAL_UNWIND_FRAME = 0;
70 1.1.10.2 tls static const _Unwind_State _US_UNWIND_FRAME_STARTING = 1;
71 1.1.10.2 tls static const _Unwind_State _US_UNWIND_FRAME_RESUME = 2;
72 1.1.10.2 tls
73 1.1.10.2 tls typedef struct _Unwind_Control_Block _Unwind_Control_Block;
74 1.1.10.2 tls typedef struct _Unwind_Context _Unwind_Context;
75 1.1.10.2 tls typedef uint32_t _Unwind_EHT_Header;
76 1.1.10.2 tls
77 1.1.10.2 tls struct _Unwind_Control_Block {
78 1.1.10.2 tls char exception_class[8];
79 1.1.10.2 tls void (*exception_cleanup)(_Unwind_Reason_Code, _Unwind_Control_Block *);
80 1.1.10.2 tls /* Unwinder cache, private fields for the unwinder's use */
81 1.1.10.2 tls struct {
82 1.1.10.2 tls uint32_t reserved1;
83 1.1.10.2 tls uint32_t reserved2;
84 1.1.10.2 tls uint32_t reserved3;
85 1.1.10.2 tls uint32_t reserved4;
86 1.1.10.2 tls uint32_t reserved5;
87 1.1.10.2 tls /* init reserved1 to 0, then don't touch */
88 1.1.10.2 tls } unwinder_cache;
89 1.1.10.2 tls /* Propagation barrier cache (valid after phase 1): */
90 1.1.10.2 tls struct {
91 1.1.10.2 tls uint32_t sp;
92 1.1.10.2 tls uint32_t bitpattern[5];
93 1.1.10.2 tls } barrier_cache;
94 1.1.10.2 tls /* Cleanup cache (preserved over cleanup): */
95 1.1.10.2 tls struct {
96 1.1.10.2 tls uint32_t bitpattern[4];
97 1.1.10.2 tls } cleanup_cache;
98 1.1.10.2 tls /* Pr cache (for pr's benefit): */
99 1.1.10.2 tls struct {
100 1.1.10.2 tls uint32_t fnstart; /* function start address */
101 1.1.10.2 tls _Unwind_EHT_Header *ehtp; /* ptr to EHT entry header word */
102 1.1.10.2 tls uint32_t additional; /* additional data */
103 1.1.10.2 tls uint32_t reserved1;
104 1.1.10.2 tls } pr_cache;
105 1.1.10.2 tls uint64_t : 0; /* Force alignment of next item to 8-byte boundary */
106 1.1.10.2 tls };
107 1.1.10.2 tls
108 1.1.10.2 tls __BEGIN_DECLS
109 1.1.10.2 tls
110 1.1.10.2 tls /* Unwinding functions */
111 1.1.10.2 tls void _Unwind_Resume(_Unwind_Control_Block *);
112 1.1.10.2 tls void _Unwind_Complete(_Unwind_Control_Block *);
113 1.1.10.2 tls void _Unwind_DeleteException(_Unwind_Control_Block *);
114 1.1.10.2 tls _Unwind_Reason_Code _Unwind_RaiseException(_Unwind_Control_Block *);
115 1.1.10.2 tls
116 1.1.10.2 tls _Unwind_VRS_Result _Unwind_VRS_Set(_Unwind_Context *, _Unwind_VRS_RegClass,
117 1.1.10.2 tls uint32_t, _Unwind_VRS_DataRepresentation, void *);
118 1.1.10.2 tls _Unwind_VRS_Result _Unwind_VRS_Get(_Unwind_Context *, _Unwind_VRS_RegClass,
119 1.1.10.2 tls uint32_t, _Unwind_VRS_DataRepresentation, void *);
120 1.1.10.2 tls
121 1.1.10.2 tls _Unwind_VRS_Result _Unwind_VRS_Pop(_Unwind_Context *, _Unwind_VRS_RegClass,
122 1.1.10.2 tls uint32_t, _Unwind_VRS_DataRepresentation);
123 1.1.10.2 tls
124 1.1.10.2 tls _Unwind_Reason_Code __aeabi_unwind_cpp_pr0(_Unwind_State,
125 1.1.10.2 tls _Unwind_Control_Block *, _Unwind_Context *);
126 1.1.10.2 tls _Unwind_Reason_Code __aeabi_unwind_cpp_pr1(_Unwind_State ,
127 1.1.10.2 tls _Unwind_Control_Block *, _Unwind_Context *);
128 1.1.10.2 tls _Unwind_Reason_Code __aeabi_unwind_cpp_pr2(_Unwind_State ,
129 1.1.10.2 tls _Unwind_Control_Block *, _Unwind_Context *);
130 1.1.10.2 tls
131 1.1.10.2 tls __END_DECLS
132 1.1.10.2 tls
133 1.1.10.2 tls #endif /* _ARM_EHABI_H_ */
134