1 .\" $NetBSD: dwarf_get_cie_info.3,v 1.2 2014/03/09 16:58:04 christos Exp $
3 .\" Copyright (c) 2011 Kai Wang
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27 .\" Id: dwarf_get_cie_info.3 2071 2011-10-27 03:20:00Z jkoshy
31 .Dt DWARF_GET_CIE_INFO 3
33 .Nm dwarf_get_cie_info
34 .Nd retrieve information associated with a CIE descriptor
40 .Fo dwarf_get_cie_info
42 .Fa "Dwarf_Unsigned *cie_byte_len"
43 .Fa "Dwarf_Small *version"
44 .Fa "char **augmentation"
45 .Fa "Dwarf_Unsigned *caf"
46 .Fa "Dwarf_Unsigned *daf"
48 .Fa "Dwarf_Ptr *init_inst"
49 .Fa "Dwarf_Unsigned *inst_len"
50 .Fa "Dwarf_Error *err"
54 .Fn dwarf_get_cie_info
55 retrieves the information associated with a given CIE descriptor.
59 should reference a valid DWARF CIE descriptor, such as would be
61 .Xr dwarf_get_cie_of_fde 3 .
65 should point to a location that will hold the length in bytes of
66 the CIE descriptor itself.
70 should point to a location that will hold the version number of
75 should point to a location that will be set to a pointer to a
76 NUL-terminated string containing augmentation data encoded as UTF-8.
80 should point to a location that will hold the code alignment
81 factor recorded in the CIE descriptor.
85 should point to a location that will hold the data alignment
86 factor recorded in the CIE descriptor.
90 should point to a location that will hold the return address
91 recorded in the CIE descriptor.
95 should point to a location that will be set to a pointer to an array
96 of bytes containing the initial instructions associated with the CIE
101 should point to a location that will hold the length in bytes
102 of the initial instructions returned in argument
107 is not NULL, it will be used to store error information in case of an
111 .Fn dwarf_get_cie_info
115 In case of an error, it returns
117 and sets the argument
121 .Fn dwarf_get_cie_info
123 .Bl -tag -width ".Bq Er DW_DLE_ARGUMENT"
124 .It Bq Er DW_DLE_ARGUMENT
140 .Xr dwarf_get_cie_index 3 ,
141 .Xr dwarf_get_cie_of_fde 3 ,
142 .Xr dwarf_get_fde_at_pc 3 ,
143 .Xr dwarf_get_fde_info_for_all_regs 3 ,
144 .Xr dwarf_get_fde_info_for_all_regs3 3 ,
145 .Xr dwarf_get_fde_info_for_cfa_reg3 3 ,
146 .Xr dwarf_get_fde_info_for_reg 3 ,
147 .Xr dwarf_get_fde_info_for_reg3 3 ,
148 .Xr dwarf_get_fde_instr_bytes 3 ,
149 .Xr dwarf_get_fde_list 3 ,
150 .Xr dwarf_get_fde_list_eh 3 ,
151 .Xr dwarf_get_fde_n 3 ,
152 .Xr dwarf_get_fde_range 3