ObjFW  Diff

	const uint8_t *callsites, *actiontable;
};

extern _Unwind_Reason_Code _Unwind_RaiseException(struct _Unwind_Exception *);
extern void _Unwind_DeleteException(struct _Unwind_Exception *);
extern void *_Unwind_GetLanguageSpecificData(struct _Unwind_Context *);
extern uintptr_t _Unwind_GetRegionStart(struct _Unwind_Context *);
#ifndef OF_ITANIUM
#ifdef HAVE__UNWIND_GETDATARELBASE
extern uintptr_t _Unwind_GetDataRelBase(struct _Unwind_Context *);
#endif
#ifdef HAVE__UNWIND_GETTEXTRELBASE
extern uintptr_t _Unwind_GetTextRelBase(struct _Unwind_Context *);
#else
extern uintptr_t _Unwind_GetGR(struct _Unwind_Context *, int);
#endif

#ifndef HAVE_ARM_EHABI_EXCEPTIONS
# define CONTINUE_UNWIND return _URC_CONTINUE_UNWIND

extern uintptr_t _Unwind_GetIP(struct _Unwind_Context *);
extern uintptr_t _Unwind_GetGR(struct _Unwind_Context *, int);
extern void _Unwind_SetIP(struct _Unwind_Context *, uintptr_t);
extern void _Unwind_SetGR(struct _Unwind_Context *, int, uintptr_t);
#else
extern _Unwind_Reason_Code __gnu_unwind_frame(struct _Unwind_Exception *,
    struct _Unwind_Context *);
extern int _Unwind_VRS_Get(struct _Unwind_Context *, int, uint32_t, int,
    void *);

	switch (enc & 0x70) {
	case DW_EH_PE_absptr:
	case DW_EH_PE_pcrel:
	case DW_EH_PE_aligned:
		return 0;
	case DW_EH_PE_funcrel:
		return _Unwind_GetRegionStart(ctx);
#ifndef OF_ITANIUM
#ifdef HAVE__UNWIND_GETDATARELBASE
	case DW_EH_PE_datarel:
		return _Unwind_GetDataRelBase(ctx);
	case DW_EH_PE_textrel:
		return _Unwind_GetTextRelBase(ctx);
#else
	case DW_EH_PE_datarel:
		return _Unwind_GetGR(ctx, 1);
#endif
#ifdef HAVE__UNWIND_GETTEXTRELBASE
	case DW_EH_PE_textrel:
		return _Unwind_GetTextRelBase(ctx);
#endif
	}

	OBJC_ERROR("Unknown encoding!")
}

static size_t
size_for_encoding(uint8_t enc)