fff07a4233
types that don't have a fixed size. - The *fsize() functions should return a size of 1, for variable length types. - Redefine symbol ELF_T_LAST to match the current end of the list. Obtained from: elftoolchain MFC after: 1 month
97 lines
2.8 KiB
Groff
97 lines
2.8 KiB
Groff
.\" Copyright (c) 2006 Joseph Koshy. 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 Joseph Koshy ``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 Joseph Koshy 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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.\" $FreeBSD$
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.\"
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.Dd February 5, 2008
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.Dt GELF_FSIZE 3
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.Os
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.Sh NAME
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.Nm gelf_fsize ,
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.Nm elf32_fsize ,
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.Nm elf64_fsize
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.Nd return the size of a file type
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.Sh LIBRARY
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.Lb libelf
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.Sh SYNOPSIS
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.In libelf.h
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.Ft size_t
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.Fn elf32_fsize "Elf_Type type" "size_t count" "unsigned int version"
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.Ft size_t
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.Fn elf64_fsize "Elf_Type type" "size_t count" "unsigned int version"
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.In gelf.h
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.Ft size_t
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.Fn gelf_fsize "Elf *elf" "Elf_Type type" "size_t count" "unsigned int version"
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.Sh DESCRIPTION
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These functions return the size in bytes of the file representation of
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.Ar count
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numbers of objects of ELF type
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.Ar type .
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For ELF types that are of variable length, these functions return a
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size of one byte.
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.Pp
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Functions
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.Fn elf32_fsize
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and
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.Fn elf64_fsize
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return sizes for files of class
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.Dv ELFCLASS32
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and
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.Dv ELFCLASS64
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respectively.
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Function
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.Fn gelf_fsize
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returns the size for the class of ELF descriptor
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.Ar elf .
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.Sh RETURN VALUES
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These functions return a non-zero value in case of success, or zero in
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case of an error.
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.Sh ERRORS
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These functions may fail with:
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.Bl -tag -width "[ELF_E_RESOURCE]"
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.It Bq Er ELF_E_ARGUMENT
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Argument
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.Ar elf
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was NULL in a call to
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.Fn gelf_fsize .
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.It Bq Er ELF_E_ARGUMENT
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ELF descriptor
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.Ar elf
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had an unknown ELF class.
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.It Bq Er ELF_E_ARGUMENT
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Argument
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.Ar type
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contained an illegal value.
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.It Bq Er ELF_E_UNIMPL
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Support for ELF type
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.Ar type
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has not been implemented.
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.It Bq Er ELF_E_VERSION
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Argument
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.Ar version
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is not a supported version.
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.El
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.Sh SEE ALSO
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.Xr elf 3 ,
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.Xr gelf 3
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