1 .\" Copyright (c) 2011 Kai Wang
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25 .\" $Id: dwarf_get_fde_at_pc.3 2071 2011-10-27 03:20:00Z jkoshy $
29 .Dt DWARF_GET_FDE_AT_PC 3
31 .Nm dwarf_get_fde_at_pc
32 .Nd retrieve the FDE descriptor for an address
38 .Fo dwarf_get_fde_at_pc
39 .Fa "Dwarf_Fde *fdelist"
41 .Fa "Dwarf_Fde *ret_fde"
42 .Fa "Dwarf_Addr *lopc"
43 .Fa "Dwarf_Addr *hipc"
44 .Fa "Dwarf_Error *err"
48 .Fn dwarf_get_fde_at_pc
49 searches the provided array of DWARF FDE descriptors for a descriptor
50 covering a given program counter address.
54 should point to an array of FDE descriptors, as returned by the functions
55 .Xr dwarf_get_fde_list 3
57 .Xr dwarf_get_fde_list_eh 3 .
61 should contain the program counter address being looked up.
65 should point to a location that will hold the returned FDE descriptor.
69 should point to a location that will be set to the lowest address
70 covered by the returned FDE descriptor.
74 should point to a location that will be set to the highest address
75 covered by the returned FDE descriptor.
79 is not NULL, it will be used to store error information in case of an
83 .Fn dwarf_get_fde_at_pc
89 if a FDE descriptor that covers the address specified by argument
92 In case of an error, it returns
98 .Fn dwarf_get_fde_at_pc
100 .Bl -tag -width ".Bq Er DW_DLE_NO_ENTRY"
101 .It Bq Er DW_DLE_ARGUMENT
109 .It Bq Er DW_DLE_NO_ENTRY
110 These was no FDE descriptor covering the address specified by argument
115 .Xr dwarf_get_cie_of_fde 3 ,
116 .Xr dwarf_get_fde_info_for_all_regs 3 ,
117 .Xr dwarf_get_fde_info_for_all_regs3 3 ,
118 .Xr dwarf_get_fde_info_for_cfa_reg3 3 ,
119 .Xr dwarf_get_fde_info_for_reg 3 ,
120 .Xr dwarf_get_fde_info_for_reg3 3 ,
121 .Xr dwarf_get_fde_instr_bytes 3 ,
122 .Xr dwarf_get_fde_list 3 ,
123 .Xr dwarf_get_fde_list_eh 3 ,
124 .Xr dwarf_get_fde_n 3 ,
125 .Xr dwarf_get_fde_range 3