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1 | 13 | up20180614 | //===------------------------------- unwind.h -----------------------------===//
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2 | //
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3 | // The LLVM Compiler Infrastructure
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4 | //
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5 | // This file is dual licensed under the MIT and the University of Illinois Open
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6 | // Source Licenses. See LICENSE.TXT for details.
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7 | //
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8 | //
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9 | // C++ ABI Level 1 ABI documented at:
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10 | // http://mentorembedded.github.io/cxx-abi/abi-eh.html
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11 | //
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12 | //===----------------------------------------------------------------------===//
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13 | |||
14 | #ifndef _UNWIND_H
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15 | #define _UNWIND_H
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16 | |||
17 | #include <stdint.h> |
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18 | #include <stddef.h> |
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19 | |||
20 | typedef enum { |
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21 | _URC_NO_REASON = 0,
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22 | _URC_FOREIGN_EXCEPTION_CAUGHT = 1,
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23 | _URC_FATAL_PHASE2_ERROR = 2,
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24 | _URC_FATAL_PHASE1_ERROR = 3,
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25 | _URC_NORMAL_STOP = 4,
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26 | _URC_END_OF_STACK = 5,
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27 | _URC_HANDLER_FOUND = 6,
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28 | _URC_INSTALL_CONTEXT = 7,
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29 | _URC_CONTINUE_UNWIND = 8
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30 | } _Unwind_Reason_Code; |
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31 | |||
32 | typedef enum { |
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33 | _UA_SEARCH_PHASE = 1,
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34 | _UA_CLEANUP_PHASE = 2,
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35 | _UA_HANDLER_FRAME = 4,
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36 | _UA_FORCE_UNWIND = 8,
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37 | _UA_END_OF_STACK = 16 /* GCC extension */ |
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38 | } _Unwind_Action; |
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39 | |||
40 | struct _Unwind_Context;
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41 | |||
42 | struct _Unwind_Exception {
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43 | uint64_t exception_class; |
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44 | void (*exception_cleanup)(_Unwind_Reason_Code, struct _Unwind_Exception *); |
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45 | uintptr_t private_1; |
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46 | uintptr_t private_2; |
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47 | } __attribute__((__aligned__)); |
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48 | |||
49 | typedef _Unwind_Reason_Code (*_Unwind_Stop_Fn)(int, _Unwind_Action, uint64_t, |
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50 | struct _Unwind_Exception *,
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51 | struct _Unwind_Context *,
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52 | void *);
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53 | |||
54 | typedef _Unwind_Reason_Code (*__personality_routine)(int, _Unwind_Action, |
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55 | uint64_t, |
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56 | struct _Unwind_Exception *,
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57 | struct _Unwind_Context *);
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58 | |||
59 | #ifdef _UNWIND_GCC_EXTENSIONS
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60 | struct dwarf_eh_bases {
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61 | void *tbase;
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62 | void *dbase;
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63 | void *func;
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64 | }; |
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65 | #endif
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66 | |||
67 | __BEGIN_DECLS |
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68 | |||
69 | _Unwind_Reason_Code _Unwind_RaiseException(struct _Unwind_Exception *);
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70 | void _Unwind_Resume(struct _Unwind_Exception *) __dead; |
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71 | _Unwind_Reason_Code _Unwind_Resume_or_Rethrow(struct _Unwind_Exception *);
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72 | _Unwind_Reason_Code _Unwind_ForcedUnwind(struct _Unwind_Exception *,
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73 | _Unwind_Stop_Fn, void *);
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74 | void _Unwind_DeleteException(struct _Unwind_Exception *); |
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75 | uintptr_t _Unwind_GetGR(struct _Unwind_Context *, int); |
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76 | void _Unwind_SetGR(struct _Unwind_Context *, int, uintptr_t); |
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77 | uintptr_t _Unwind_GetIP(struct _Unwind_Context *);
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78 | uintptr_t _Unwind_GetIPInfo(struct _Unwind_Context *, int *); |
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79 | uintptr_t _Unwind_GetCFA(struct _Unwind_Context *);
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80 | void _Unwind_SetIP(struct _Unwind_Context *, uintptr_t); |
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81 | uintptr_t _Unwind_GetRegionStart(struct _Unwind_Context *);
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82 | uintptr_t _Unwind_GetLanguageSpecificData(struct _Unwind_Context *);
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83 | uintptr_t _Unwind_GetDataRelBase(struct _Unwind_Context *);
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84 | uintptr_t _Unwind_GetTextRelBase(struct _Unwind_Context *);
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85 | |||
86 | typedef _Unwind_Reason_Code (*_Unwind_Trace_Fn)(struct _Unwind_Context *, |
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87 | void *);
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88 | _Unwind_Reason_Code _Unwind_Backtrace(_Unwind_Trace_Fn, void *);
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89 | void *_Unwind_FindEnclosingFunction(void *); |
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90 | |||
91 | void __register_frame(const void *); |
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92 | void __register_frame_info(const void *, void *); |
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93 | void __deregister_frame(const void *); |
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94 | void *__deregister_frame_info(const void *); |
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95 | |||
96 | #ifdef _UNWIND_GCC_EXTENSIONS
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97 | void *_Unwind_Find_FDE(void *, struct dwarf_eh_bases *); |
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98 | #endif
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99 | |||
100 | __END_DECLS |
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101 | |||
102 | #endif // _UNWIND_H |