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/*-
* Copyright (c) 2013 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Matt Thomas of 3am Software Foundry.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
/* $NetBSD: ehabi.h,v 1.1 2013/08/12 23:22:12 matt Exp $ */
#ifndef _ARM_EHABI_H_
#define _ARM_EHABI_H_
#if defined(_KERNEL) || defined(_STANDALONE)
#include <sys/types.h>
#else
#include <inttypes.h>
#endif
typedef enum {
_URC_OK = 0, /* operation complete */
_URC_FOREIGN_EXCEPTION_CAUGHT = 1,
_URC_HANDLER_FOUND = 6,
_URC_INSTALL_CONTEXT = 7,
_URC_CONTINUE_UNWIND = 8,
_URC_FAILURE = 9, /* unspecified failure */
} _Unwind_Reason_Code;
typedef enum {
_UVRSC_CORE = 0, /* integer register */
_UVRSC_VFP = 1, /* vfp */
_UVRSC_WMMXD = 3, /* Intel WMMX data register */
_UVRSC_WMMXC = 4 /* Intel WMMX control register */
} _Unwind_VRS_RegClass;
typedef enum {
_UVRSD_UINT32 = 0,
_UVRSD_VFPX = 1,
_UVRSD_UINT64 = 3,
_UVRSD_FLOAT = 4,
_UVRSD_DOUBLE = 5
} _Unwind_VRS_DataRepresentation;
typedef enum {
_UVRSR_OK = 0,
_UVRSR_NOT_IMPLEMENTED = 1,
_UVRSR_FAILED = 2
} _Unwind_VRS_Result;
typedef uint32_t _Unwind_State;
static const _Unwind_State _US_VIRTUAL_UNWIND_FRAME = 0;
static const _Unwind_State _US_UNWIND_FRAME_STARTING = 1;
static const _Unwind_State _US_UNWIND_FRAME_RESUME = 2;
typedef struct _Unwind_Control_Block _Unwind_Control_Block;
typedef struct _Unwind_Context _Unwind_Context;
typedef uint32_t _Unwind_EHT_Header;
struct _Unwind_Control_Block {
char exception_class[8];
void (*exception_cleanup)(_Unwind_Reason_Code, _Unwind_Control_Block *);
/* Unwinder cache, private fields for the unwinder's use */
struct {
uint32_t reserved1;
uint32_t reserved2;
uint32_t reserved3;
uint32_t reserved4;
uint32_t reserved5;
/* init reserved1 to 0, then don't touch */
} unwinder_cache;
/* Propagation barrier cache (valid after phase 1): */
struct {
uint32_t sp;
uint32_t bitpattern[5];
} barrier_cache;
/* Cleanup cache (preserved over cleanup): */
struct {
uint32_t bitpattern[4];
} cleanup_cache;
/* Pr cache (for pr's benefit): */
struct {
uint32_t fnstart; /* function start address */
_Unwind_EHT_Header *ehtp; /* ptr to EHT entry header word */
uint32_t additional; /* additional data */
uint32_t reserved1;
} pr_cache;
uint64_t : 0; /* Force alignment of next item to 8-byte boundary */
};
__BEGIN_DECLS
/* Unwinding functions */
void _Unwind_Resume(_Unwind_Control_Block *);
void _Unwind_Complete(_Unwind_Control_Block *);
void _Unwind_DeleteException(_Unwind_Control_Block *);
_Unwind_Reason_Code _Unwind_RaiseException(_Unwind_Control_Block *);
_Unwind_VRS_Result _Unwind_VRS_Set(_Unwind_Context *, _Unwind_VRS_RegClass,
uint32_t, _Unwind_VRS_DataRepresentation, void *);
_Unwind_VRS_Result _Unwind_VRS_Get(_Unwind_Context *, _Unwind_VRS_RegClass,
uint32_t, _Unwind_VRS_DataRepresentation, void *);
_Unwind_VRS_Result _Unwind_VRS_Pop(_Unwind_Context *, _Unwind_VRS_RegClass,
uint32_t, _Unwind_VRS_DataRepresentation);
_Unwind_Reason_Code __aeabi_unwind_cpp_pr0(_Unwind_State,
_Unwind_Control_Block *, _Unwind_Context *);
_Unwind_Reason_Code __aeabi_unwind_cpp_pr1(_Unwind_State ,
_Unwind_Control_Block *, _Unwind_Context *);
_Unwind_Reason_Code __aeabi_unwind_cpp_pr2(_Unwind_State ,
_Unwind_Control_Block *, _Unwind_Context *);
__END_DECLS
#endif /* _ARM_EHABI_H_ */
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