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https://git.hardenedbsd.org/hardenedbsd/HardenedBSD.git
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ae500c1ff8
Highlights: - Make sure that only TLS sections are sorted into TLS segment. - Fixed multiple errors in "Section to Segment mapping". - Man page updates - ar improvements - elfcopy: avoid filter_reloc uninitialized variable for rela - elfcopy: avoid stripping relocations from static binaries - readelf: avoid printing directory in front of absolute path - readelf: add NT_FREEBSD_FEATURE_CTL FreeBSD note type - test improvements NOTES: Some of these changes originated in FreeBSD and simply reduce diffs between contrib and vendor. ELF Tool Chain ar is not (currently) used in FreeBSD, and there are improvements in both FreeBSD and ELF Tool Chain ar that are not in the other. Sponsored by: The FreeBSD Foundation
102 lines
3.2 KiB
Groff
102 lines
3.2 KiB
Groff
.\" Copyright (c) 2010 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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.\" $Id: dwarf_seterrarg.3 3644 2018-10-15 19:55:01Z jkoshy $
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.\"
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.Dd May 01, 2010
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.Dt DWARF_SETERRARG 3
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.Os
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.Sh NAME
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.Nm dwarf_seterrarg ,
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.Nm dwarf_seterrhand
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.Nd configure error handling
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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 Dwarf_Ptr
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.Fn dwarf_seterrarg "Dwarf_Debug dbg" "Dwarf_Ptr arg"
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.Ft Dwarf_Handler
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.Fn dwarf_seterrhand "Dwarf_Debug dbg" "Dwarf_Handler handler"
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.Sh DESCRIPTION
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These functions may be used by applications to configure error handling
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callbacks.
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The error handling scheme used by the library is described in
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.Xr dwarf 3 .
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.Pp
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Function
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.Fn dwarf_seterrarg
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may be used to set the callback argument passed to a configured
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error handler at the time it is invoked.
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Argument
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.Ar arg
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is the callback argument being set.
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Argument
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.Ar dbg
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can be a debug context allocated by a prior call to
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.Xr dwarf_init 3 ,
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or can be NULL to indicate that the library-wide callback argument
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is to be set.
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.Pp
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Function
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.Fn dwarf_seterrhand
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may be used to associate an error handler denoted by argument
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.Ar handler
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with the DWARF debug context descriptor denoted by argument
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.Ar dbg .
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Argument
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.Ar dbg
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should be a debug context allocated by a prior call to
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.Xr dwarf_init 3 ,
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or may be NULL to indicate that the library-wide error handler
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is to be set.
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.Sh RETURN VALUES
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Function
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.Fn dwarf_seterrhand
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returns the previous error handler associated with argument
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.Ar dbg .
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If argument
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.Ar dbg
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is NULL, function
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.Fn dwarf_seterrhand
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returns the previous library-wide error handler.
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.Pp
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Function
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.Fn dwarf_seterrarg
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returns the previous callback argument associated with argument
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.Ar dbg .
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If argument
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.Ar dbg
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is NULL, function
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.Fn dwarf_seterrarg
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returns the previous library-wide callback argument.
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.Sh COMPATIBILITY
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The behavior of these functions when argument
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.Ar dbg
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is NULL is a local extension.
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.Sh ERRORS
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These functions do not set an error code.
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.Sh SEE ALSO
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.Xr dwarf 3 ,
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.Xr dwarf_init 3
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