91 lines
2.7 KiB
Groff
91 lines
2.7 KiB
Groff
.\" Copyright (c) 2010 Kai Wang
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.\" All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" $Id: dwarf_diename.3 2073 2011-10-27 03:30:47Z jkoshy $
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.\"
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.Dd March 31, 2010
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.Os
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.Dt DWARF_DIENAME 3
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.Sh NAME
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.Nm dwarf_diename
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.Nd retrieve the name associated with a debugging information entry
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.Sh LIBRARY
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.Lb libdwarf
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.Sh SYNOPSIS
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.In libdwarf.h
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.Ft int
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.Fn dwarf_diename "Dwarf_Die die" "char **ret_name" "Dwarf_Error *err"
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.Sh DESCRIPTION
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Function
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.Fn dwarf_diename
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retrieves a pointer to the NUL-terminated string associated with the
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.Dv DW_AT_name
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attribute of the debugging information entry descriptor referenced by
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argument
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.Ar die .
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If the pointer was successfully retrieved, it is stored in the location
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pointed to by argument
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.Ar ret_name .
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.Sh RETURN VALUES
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Function
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.Fn dwarf_diename
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returns
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.Dv DW_DLV_OK on success.
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.Pp
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If the debugging information entry descriptor denoted by argument
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.Ar die
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does not contain a
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.Dv DW_AT_name
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attribute, the function returns
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.Dv DW_DLV_NO_ENTRY
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and sets argument
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.Ar err .
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For other errors, it returns
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.Dv DW_DLV_ERROR
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and sets argument
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.Ar err .
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.Sh ERRORS
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Function
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.Fn dwarf_diename
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can fail with the following errors:
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.Bl -tag -width ".Bq Er DW_DLE_ARGUMENT"
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.It Bq Er DW_DLE_ARGUMENT
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Either of arguments
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.Ar die
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or
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.Ar ret_name
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was NULL.
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.It Bq Er DW_DLE_NO_ENTRY
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Argument
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.Ar die
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had no
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.Dv DW_AT_name
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attribute.
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.El
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.Sh SEE ALSO
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.Xr dwarf 3 ,
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.Xr dwarf_tag 3 ,
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.Xr dwarf_dieoffset 3 ,
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.Xr dwarf_die_abbrev_code 3
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