1472758f3SLionel Sambuc //===------------------------------- unwind.h -----------------------------===// 2472758f3SLionel Sambuc // 3472758f3SLionel Sambuc // The LLVM Compiler Infrastructure 4472758f3SLionel Sambuc // 5472758f3SLionel Sambuc // This file is dual licensed under the MIT and the University of Illinois Open 6472758f3SLionel Sambuc // Source Licenses. See LICENSE.TXT for details. 7472758f3SLionel Sambuc // 8472758f3SLionel Sambuc // 9472758f3SLionel Sambuc // C++ ABI Level 1 ABI documented at: 10472758f3SLionel Sambuc // http://mentorembedded.github.io/cxx-abi/abi-eh.html 11472758f3SLionel Sambuc // 12472758f3SLionel Sambuc //===----------------------------------------------------------------------===// 13472758f3SLionel Sambuc 14472758f3SLionel Sambuc #ifndef _UNWIND_H 15472758f3SLionel Sambuc #define _UNWIND_H 16472758f3SLionel Sambuc 17472758f3SLionel Sambuc #include <stdint.h> 18472758f3SLionel Sambuc #include <stddef.h> 19472758f3SLionel Sambuc 20472758f3SLionel Sambuc typedef enum { 21472758f3SLionel Sambuc _URC_NO_REASON = 0, 22472758f3SLionel Sambuc _URC_FOREIGN_EXCEPTION_CAUGHT = 1, 23472758f3SLionel Sambuc _URC_FATAL_PHASE2_ERROR = 2, 24472758f3SLionel Sambuc _URC_FATAL_PHASE1_ERROR = 3, 25472758f3SLionel Sambuc _URC_NORMAL_STOP = 4, 26472758f3SLionel Sambuc _URC_END_OF_STACK = 5, 27472758f3SLionel Sambuc _URC_HANDLER_FOUND = 6, 28472758f3SLionel Sambuc _URC_INSTALL_CONTEXT = 7, 29472758f3SLionel Sambuc _URC_CONTINUE_UNWIND = 8 30472758f3SLionel Sambuc } _Unwind_Reason_Code; 31472758f3SLionel Sambuc 32472758f3SLionel Sambuc typedef enum { 33472758f3SLionel Sambuc _UA_SEARCH_PHASE = 1, 34472758f3SLionel Sambuc _UA_CLEANUP_PHASE = 2, 35472758f3SLionel Sambuc _UA_HANDLER_FRAME = 4, 36472758f3SLionel Sambuc _UA_FORCE_UNWIND = 8, 37472758f3SLionel Sambuc _UA_END_OF_STACK = 16 /* GCC extension */ 38472758f3SLionel Sambuc } _Unwind_Action; 39472758f3SLionel Sambuc 40472758f3SLionel Sambuc struct _Unwind_Context; 41472758f3SLionel Sambuc 42472758f3SLionel Sambuc struct _Unwind_Exception { 43472758f3SLionel Sambuc uint64_t exception_class; 44472758f3SLionel Sambuc void (*exception_cleanup)(_Unwind_Reason_Code, struct _Unwind_Exception *); 45472758f3SLionel Sambuc uintptr_t private_1; 46472758f3SLionel Sambuc uintptr_t private_2; 47472758f3SLionel Sambuc } __attribute__((__aligned__)); 48472758f3SLionel Sambuc 49472758f3SLionel Sambuc typedef _Unwind_Reason_Code (*_Unwind_Stop_Fn)(int, _Unwind_Action, uint64_t, 50472758f3SLionel Sambuc struct _Unwind_Exception *, 51472758f3SLionel Sambuc struct _Unwind_Context *, 52472758f3SLionel Sambuc void *); 53472758f3SLionel Sambuc 54472758f3SLionel Sambuc typedef _Unwind_Reason_Code (*__personality_routine)(int, _Unwind_Action, 55472758f3SLionel Sambuc uint64_t, 56472758f3SLionel Sambuc struct _Unwind_Exception *, 57472758f3SLionel Sambuc struct _Unwind_Context *); 58472758f3SLionel Sambuc 59472758f3SLionel Sambuc __BEGIN_DECLS 60472758f3SLionel Sambuc 61472758f3SLionel Sambuc _Unwind_Reason_Code _Unwind_RaiseException(struct _Unwind_Exception *); 62472758f3SLionel Sambuc void _Unwind_Resume(struct _Unwind_Exception *) __dead; 63472758f3SLionel Sambuc _Unwind_Reason_Code _Unwind_Resume_or_Rethrow(struct _Unwind_Exception *); 64472758f3SLionel Sambuc _Unwind_Reason_Code _Unwind_ForcedUnwind(struct _Unwind_Exception *, 65472758f3SLionel Sambuc _Unwind_Stop_Fn, void *); 66472758f3SLionel Sambuc void _Unwind_DeleteException(struct _Unwind_Exception *); 67472758f3SLionel Sambuc uintptr_t _Unwind_GetGR(struct _Unwind_Context *, int); 68472758f3SLionel Sambuc void _Unwind_SetGR(struct _Unwind_Context *, int, uintptr_t); 69472758f3SLionel Sambuc uintptr_t _Unwind_GetIP(struct _Unwind_Context *); 70*b029fb59SBen Gras uintptr_t _Unwind_GetIPInfo(struct _Unwind_Context *, int *); 71472758f3SLionel Sambuc uintptr_t _Unwind_GetCFA(struct _Unwind_Context *); 72472758f3SLionel Sambuc void _Unwind_SetIP(struct _Unwind_Context *, uintptr_t); 73472758f3SLionel Sambuc uintptr_t _Unwind_GetRegionStart(struct _Unwind_Context *); 74472758f3SLionel Sambuc uintptr_t _Unwind_GetLanguageSpecificData(struct _Unwind_Context *); 75472758f3SLionel Sambuc uintptr_t _Unwind_GetDataRelBase(struct _Unwind_Context *); 76472758f3SLionel Sambuc uintptr_t _Unwind_GetTextRelBase(struct _Unwind_Context *); 77472758f3SLionel Sambuc 78472758f3SLionel Sambuc typedef _Unwind_Reason_Code (*_Unwind_Trace_Fn)(struct _Unwind_Context *, 79472758f3SLionel Sambuc void *); 80472758f3SLionel Sambuc _Unwind_Reason_Code _Unwind_Backtrace(_Unwind_Trace_Fn, void *); 81472758f3SLionel Sambuc void *_Unwind_FindEnclosingFunction(void *); 82472758f3SLionel Sambuc 83472758f3SLionel Sambuc void __register_frame(const void *); 84472758f3SLionel Sambuc void __register_frame_info(const void *, void *); 85472758f3SLionel Sambuc void __deregister_frame(const void *); 86472758f3SLionel Sambuc void *__deregister_frame_info(const void *); 87472758f3SLionel Sambuc 88472758f3SLionel Sambuc __END_DECLS 89472758f3SLionel Sambuc 90472758f3SLionel Sambuc #endif // _UNWIND_H 91