117 lines
3.3 KiB
Groff
117 lines
3.3 KiB
Groff
.\" Copyright (c) 2006 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.
|
|
.\"
|
|
.\" $FreeBSD$
|
|
.\"
|
|
.Dd December 16, 2006
|
|
.Dt ELF_STRPTR 3
|
|
.Os
|
|
.Sh NAME
|
|
.Nm elf_strptr
|
|
.Nd retrieve a string pointer in a string table
|
|
.Sh LIBRARY
|
|
.Lb libelf
|
|
.Sh SYNOPSIS
|
|
.In libelf.h
|
|
.Ft "char *"
|
|
.Fn elf_strptr "Elf *elf" "size_t scndx" "size_t stroffset"
|
|
.Sh DESCRIPTION
|
|
Function
|
|
.Fn elf_strptr
|
|
allows an application to convert a string table offset to a string
|
|
pointer, correctly translating the offset in the presence
|
|
of multiple
|
|
.Vt Elf_Data
|
|
descriptors covering the contents of the section.
|
|
.Pp
|
|
Argument
|
|
.Ar elf
|
|
is a descriptor for an ELF object.
|
|
Argument
|
|
.Ar scndx
|
|
is the section index for an ELF string table.
|
|
Argument
|
|
.Ar stroffset
|
|
is the index of the desired string in the string
|
|
table.
|
|
.Sh RETURN VALUES
|
|
Function
|
|
.Fn elf_strptr
|
|
returns a valid pointer on success or NULL in case an error was
|
|
encountered.
|
|
.Sh ERRORS
|
|
.Bl -tag -width "[ELF_E_RESOURCE]"
|
|
.It Bq Er ELF_E_ARGUMENT
|
|
Argument
|
|
.Ar elf
|
|
was NULL
|
|
.It Bq Er ELF_E_ARGUMENT
|
|
Argument
|
|
.Ar elf
|
|
was not a descriptor for an ELF object.
|
|
.It Bq Er ELF_E_ARGUMENT
|
|
Argument
|
|
.Ar scndx
|
|
was not the section index for a string table.
|
|
.It Bq Er ELF_E_ARGUMENT
|
|
Argument
|
|
.Ar stroffset
|
|
exceeded the size of the string table.
|
|
.It Bq Er ELF_E_ARGUMENT
|
|
Argument
|
|
.Ar stroffset
|
|
index an unallocated region of the string table.
|
|
.It Bq Er ELF_E_DATA
|
|
Offset
|
|
.Ar stroffset
|
|
indexed a region that was not covered by any Elf_Data
|
|
descriptor.
|
|
.It Bq Er ELF_E_DATA
|
|
An erroneous
|
|
.Vt Elf_Data
|
|
descriptor was part of the section specified by argument
|
|
.Ar scndx .
|
|
.It Bq Er ELF_E_HEADER
|
|
ELF descriptor
|
|
.Ar elf
|
|
contained an invalid section header.
|
|
.It Bq Er ELF_E_RESOURCE
|
|
An out of memory condition was detected.
|
|
.It Bq Er ELF_E_SECTION
|
|
Section
|
|
.Ar scndx
|
|
contained a malformed section header.
|
|
.It Bq Er ELF_E_SECTION
|
|
The ELF descriptor in argument
|
|
.Ar elf
|
|
did not adhere to the conventions used for extended numbering.
|
|
.El
|
|
.Sh SEE ALSO
|
|
.Xr elf 3 ,
|
|
.Xr elf32_getshdr 3 ,
|
|
.Xr elf64_getshdr 3 ,
|
|
.Xr elf_getdata 3 ,
|
|
.Xr elf_rawdata 3 ,
|
|
.Xr gelf 3 ,
|
|
.Xr gelf_getshdr 3
|