116 lines
3.3 KiB
Groff
116 lines
3.3 KiB
Groff
|
.\" Copyright (c) 2006,2008 Joseph Koshy. All rights reserved.
|
||
|
|
.\"
|
||
|
|
.\" 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 Joseph Koshy ``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 Joseph Koshy 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.
|
||
|
|
.\"
|
||
|
|
.\" $Id$
|
||
|
|
.\"
|
||
|
|
.Dd August 29, 2006
|
||
|
|
.Os
|
||
|
|
.Dt GELF_GETSYMINFO 3
|
||
|
|
.Sh NAME
|
||
|
|
.Nm gelf_getsyminfo ,
|
||
|
|
.Nm gelf_update_syminfo
|
||
|
|
.Nd read and update symbol information
|
||
|
|
.Sh LIBRARY
|
||
|
|
.Lb libelf
|
||
|
|
.Sh SYNOPSIS
|
||
|
|
.In gelf.h
|
||
|
|
.Ft "GElf_Syminfo *"
|
||
|
|
.Fn gelf_getsyminfo "Elf_Data *data" "int ndx" "GElf_Syminfo *syminfo"
|
||
|
|
.Ft int
|
||
|
|
.Fn gelf_update_syminfo "Elf_Data *data" "int ndx" "GElf_Syminfo *syminfo"
|
||
|
|
.Sh DESCRIPTION
|
||
|
|
These convenience functions are used to retrieve and update class-dependent
|
||
|
|
.Vt Elf32_Syminfo
|
||
|
|
and
|
||
|
|
.Vt Elf64_Syminfo
|
||
|
|
records in an ELF object.
|
||
|
|
.Pp
|
||
|
|
Argument
|
||
|
|
.Ar data
|
||
|
|
is an
|
||
|
|
.Vt Elf_Data
|
||
|
|
descriptor associated with a section of type
|
||
|
|
.Dv SHT_SUNW_syminfo .
|
||
|
|
Argument
|
||
|
|
.Ar ndx
|
||
|
|
is the index of the record being retrieved or updated.
|
||
|
|
The class-independent
|
||
|
|
.Vt GElf_Syminfo
|
||
|
|
structure is described in
|
||
|
|
.Xr gelf 3 .
|
||
|
|
.Pp
|
||
|
|
Function
|
||
|
|
.Fn gelf_getsyminfo
|
||
|
|
retrieves class-dependent record at index
|
||
|
|
.Ar ndx
|
||
|
|
in data buffer
|
||
|
|
.Ar data
|
||
|
|
and copies it to the destination pointed to by argument
|
||
|
|
.Ar syminfo
|
||
|
|
after translation to class-independent form.
|
||
|
|
.Pp
|
||
|
|
Function
|
||
|
|
.Fn gelf_update_syminfo
|
||
|
|
converts the class-independent record pointed to
|
||
|
|
by argument
|
||
|
|
.Ar syminfo
|
||
|
|
to class-dependent form, and writes it to the record at index
|
||
|
|
.Ar ndx
|
||
|
|
in the data buffer described by argument
|
||
|
|
.Ar data .
|
||
|
|
.Sh RETURN VALUES
|
||
|
|
Function
|
||
|
|
.Fn gelf_getsyminfo
|
||
|
|
returns the value of argument
|
||
|
|
.Ar syminfo
|
||
|
|
if successful, or NULL in case of an error.
|
||
|
|
Function
|
||
|
|
.Fn gelf_update_syminfo
|
||
|
|
returns a non-zero value if successful, or zero in case of an error.
|
||
|
|
.Sh ERRORS
|
||
|
|
These functions may fail with the following errors:
|
||
|
|
.Bl -tag -width "[ELF_E_RESOURCE]"
|
||
|
|
.It Bq Er ELF_E_ARGUMENT
|
||
|
|
Arguments
|
||
|
|
.Ar data
|
||
|
|
or
|
||
|
|
.Ar syminfo
|
||
|
|
were NULL.
|
||
|
|
.It Bq Er ELF_E_ARGUMENT
|
||
|
|
Argument
|
||
|
|
.Ar ndx
|
||
|
|
was less than zero or larger than the number of symbols in the data
|
||
|
|
descriptor.
|
||
|
|
.It Bq Er ELF_E_ARGUMENT
|
||
|
|
Data descriptor
|
||
|
|
.Ar data
|
||
|
|
was not associated with a section containing symbol information.
|
||
|
|
.El
|
||
|
|
.Sh SEE ALSO
|
||
|
|
.Xr elf 3 ,
|
||
|
|
.Xr elf_getdata 3 ,
|
||
|
|
.Xr elf_getscn 3 ,
|
||
|
|
.Xr gelf 3 ,
|
||
|
|
.Xr gelf_getsym 3 ,
|
||
|
|
.Xr gelf_update_sym 3
|