1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/kernelhwsrv/kernel/eka/compsupp/symaehabi/unwinder.h	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,128 @@
     1.4 +/* unwinder.h
     1.5 + *
     1.6 + * Copyright 2002-2005 ARM Limited. All rights reserved.
     1.7 + *
     1.8 + * Your rights to use this code are set out in the accompanying licence
     1.9 + * text file LICENCE.txt (ARM contract number LEC-ELA-00080 v2.0).
    1.10 + */
    1.11 +/*
    1.12 + * RCS $Revision: 91721 $
    1.13 + * Checkin $Date: 2005-08-08 19:30:07 +0100 (Mon, 08 Aug 2005) $
    1.14 + * Revising $Author: drodgman $
    1.15 + */
    1.16 +
    1.17 +/* Language-independent unwinder header public defines */
    1.18 +
    1.19 +#ifndef UNWINDER_H
    1.20 +#define UNWINDER_H
    1.21 +
    1.22 +#ifdef __cplusplus
    1.23 +extern "C" {
    1.24 +#endif
    1.25 +
    1.26 +  typedef enum {
    1.27 +    _URC_OK = 0,       /* operation completed successfully */
    1.28 +    _URC_FOREIGN_EXCEPTION_CAUGHT = 1,
    1.29 +    _URC_HANDLER_FOUND = 6,
    1.30 +    _URC_INSTALL_CONTEXT = 7,
    1.31 +    _URC_CONTINUE_UNWIND = 8,
    1.32 +    _URC_FAILURE = 9   /* unspecified failure of some kind */
    1.33 +  } _Unwind_Reason_Code;
    1.34 +  
    1.35 +  typedef enum {
    1.36 +    _US_VIRTUAL_UNWIND_FRAME = 0,
    1.37 +    _US_UNWIND_FRAME_STARTING = 1,
    1.38 +    _US_UNWIND_FRAME_RESUME = 2
    1.39 +  } _Unwind_State;
    1.40 +  
    1.41 +  typedef struct _Unwind_Control_Block _Unwind_Control_Block;
    1.42 +  typedef struct _Unwind_Context _Unwind_Context;
    1.43 +  typedef uint32_t _Unwind_EHT_Header;
    1.44 +  
    1.45 +  
    1.46 +  /* UCB: */
    1.47 +  
    1.48 +  struct _Unwind_Control_Block {
    1.49 +    char exception_class[8];
    1.50 +    void (*exception_cleanup)(_Unwind_Reason_Code, _Unwind_Control_Block *);
    1.51 +    /* Unwinder cache, private fields for the unwinder's use */
    1.52 +    struct {
    1.53 +      uint32_t reserved1;     /* init reserved1 to 0, then don't touch */
    1.54 +      uint32_t reserved2;
    1.55 +      uint32_t reserved3;
    1.56 +      uint32_t reserved4;
    1.57 +      uint32_t reserved5;
    1.58 +    } unwinder_cache;
    1.59 +    /* Propagation barrier cache (valid after phase 1): */
    1.60 +    struct {
    1.61 +      uint32_t sp;
    1.62 +      uint32_t bitpattern[5];
    1.63 +    } barrier_cache;
    1.64 +    /* Cleanup cache (preserved over cleanup): */
    1.65 +    struct {
    1.66 +      uint32_t bitpattern[4];
    1.67 +    } cleanup_cache;
    1.68 +    /* Pr cache (for pr's benefit): */
    1.69 +    struct {
    1.70 +      uint32_t fnstart;             /* function start address */
    1.71 +      _Unwind_EHT_Header *ehtp;     /* pointer to EHT entry header word */
    1.72 +      uint32_t additional;          /* additional data */
    1.73 +      uint32_t reserved1;
    1.74 +    } pr_cache;
    1.75 +    long long int :0;               /* Force alignment of next item to 8-byte boundary */
    1.76 +  };
    1.77 +  
    1.78 +  /* Interface functions: */
    1.79 +  
    1.80 +  _Unwind_Reason_Code _Unwind_RaiseException(_Unwind_Control_Block *ucbp);
    1.81 +  NORETURNDECL void _Unwind_Resume(_Unwind_Control_Block *ucbp);
    1.82 +  void _Unwind_Complete(_Unwind_Control_Block *ucbp);
    1.83 +  void _Unwind_DeleteException(_Unwind_Control_Block *ucbp); 
    1.84 +
    1.85 +  /* Virtual Register Set*/
    1.86 +        
    1.87 +  typedef enum {
    1.88 +    _UVRSC_CORE = 0,      /* integer register */
    1.89 +    _UVRSC_VFP = 1,       /* vfp */
    1.90 +                          /* 2: was fpa (obsolete) */
    1.91 +    _UVRSC_WMMXD = 3,     /* Intel WMMX data register */
    1.92 +    _UVRSC_WMMXC = 4      /* Intel WMMX control register */
    1.93 +  } _Unwind_VRS_RegClass;
    1.94 +  
    1.95 +  typedef enum {
    1.96 +    _UVRSD_UINT32 = 0,
    1.97 +    _UVRSD_VFPX = 1,
    1.98 +                          /* 2: was fpa (obsolete) */
    1.99 +    _UVRSD_UINT64 = 3,
   1.100 +    _UVRSD_FLOAT = 4,
   1.101 +    _UVRSD_DOUBLE = 5
   1.102 +  } _Unwind_VRS_DataRepresentation;
   1.103 +  
   1.104 +  typedef enum {
   1.105 +    _UVRSR_OK = 0,
   1.106 +    _UVRSR_NOT_IMPLEMENTED = 1,
   1.107 +    _UVRSR_FAILED = 2
   1.108 +  } _Unwind_VRS_Result;
   1.109 +
   1.110 +  IMPORT_C _Unwind_VRS_Result _Unwind_VRS_Set(_Unwind_Context *context,
   1.111 +                                              _Unwind_VRS_RegClass regclass,
   1.112 +                                              uint32_t regno,
   1.113 +                                              _Unwind_VRS_DataRepresentation representation,
   1.114 +                                              void *valuep);
   1.115 +  
   1.116 +  IMPORT_C _Unwind_VRS_Result _Unwind_VRS_Get(_Unwind_Context *context,
   1.117 +                                              _Unwind_VRS_RegClass regclass,
   1.118 +                                              uint32_t regno,
   1.119 +                                              _Unwind_VRS_DataRepresentation representation,
   1.120 +                                              void *valuep);
   1.121 +  
   1.122 +  IMPORT_C _Unwind_VRS_Result _Unwind_VRS_Pop(_Unwind_Context *context,
   1.123 +                                              _Unwind_VRS_RegClass regclass,
   1.124 +                                              uint32_t descriminator,
   1.125 +                                              _Unwind_VRS_DataRepresentation representation);
   1.126 +
   1.127 +#ifdef __cplusplus
   1.128 +}   /* extern "C" */
   1.129 +#endif
   1.130 +
   1.131 +#endif /* defined UNWINDER_H */