freebsd-skq/lib/libelf/elf_getshstrndx.3
uqs 3960614646 mdoc: order prologue macros consistently by Dd/Dt/Os
Although groff_mdoc(7) gives another impression, this is the ordering
most widely used and also required by mdocml/mandoc.

Reviewed by:	ru
Approved by:	philip, ed (mentors)
2010-04-14 19:08:06 +00:00

88 lines
2.7 KiB
Groff

.\" Copyright (c) 2006 Joseph Koshy. All rights reserved.
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.\" $FreeBSD$
.\"
.Dd October 31, 2006
.Dt ELF_GETSHSTRNDX 3
.Os
.Sh NAME
.Nm elf_getshstrndx ,
.Nm elf_setshstrndx
.Nd retrieve/update the index of the section name string table
.Sh LIBRARY
.Lb libelf
.Sh SYNOPSIS
.In libelf.h
.Ft int
.Fn elf_getshstrndx "Elf *elf" "size_t *ndxptr"
.Ft int
.Fn elf_setshstrndx "Elf *elf" "size_t ndx"
.Sh DESCRIPTION
Function
.Fn elf_getshstrndx
retrieves the section index of the string table containing section
names from descriptor
.Ar elf
and stores it into the location pointed to by argument
.Ar ndxptr .
.Pp
Function
.Fn elf_setshstrndx
sets the index of the section name string table to argument
.Ar ndx .
.Pp
These routines allow applications to process both normal ELF
objects and ELF objects that use extended section numbering uniformly.
.Pp
.Sh RETURN VALUES
These functions return a non-zero value if successful, or zero in case
of an error.
.Sh ERRORS
These functions can fail with the following errors:
.Bl -tag -width "[ELF_E_RESOURCE]"
.It Bq Er ELF_E_ARGUMENT
A NULL value was passed in for argument
.Ar elf .
.It Bq Er ELF_E_ARGUMENT
Argument
.Ar elf
was not for an ELF file.
.It Bq Er ELF_E_ARGUMENT
Argument
.Ar elf
lacks an ELF Executable header.
.It Bq Er ELF_E_ARGUMENT
Argument
.Ar ndx
contained a value in the reserved range of section indices.
.El
.Sh SEE ALSO
.Xr elf 3 ,
.Xr elf32_getehdr 3 ,
.Xr elf64_getehdr 3 ,
.Xr elf_getident 3 ,
.Xr elf_getshnum 3 ,
.Xr gelf 3 ,
.Xr gelf_getehdr 3