mirror of
https://github.com/freebsd/freebsd-src
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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
82 lines
2.8 KiB
Groff
82 lines
2.8 KiB
Groff
.\" Copyright (c) 2011,2012 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: elftc_version.3 3645 2018-10-15 20:17:14Z jkoshy $
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.\"
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.Dd December 30, 2012
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.Dt ELFTC_VERSION 3
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.Os
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.Sh NAME
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.Nm elftc_version
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.Nd return a project-wide version identifier string
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.Sh LIBRARY
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.Lb libelftc
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.Sh SYNOPSIS
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.In libelftc.h
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.Ft const char *
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.Fn elftc_version void
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.Sh DESCRIPTION
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Function
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.Fn elftc_version
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returns a project-wide identifier string that encodes the source
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revision of the project source tree.
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.Pp
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The returned identifier has four space-separated fields:
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.Bl -tag -width ".Em Project Branch"
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.It Em "Project-Name"
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This is always
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.Dq elftoolchain .
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.It Em "Project-Branch"
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The branch name for the project source tree.
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.It Em "Build-OS"
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The operating system that the tool chain was compiled for.
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.It Em "Version-Number"
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A tree-wide version number extracted from the version control
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system in use.
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.El
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.Sh RETURN VALUES
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Function
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.Fn elftc_program_version
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returns a pointer to an internal character buffer.
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.Sh EXAMPLES
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To retrieve and print the current toolchain version identifier, use:
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.Bd -literal -offset indent
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#include <sys/types.h>
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#include <libelftc.h>
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(void) printf("%s\en", elftc_version());
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.Ed
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.Pp
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On the HEAD branch of the project's sources, when checked out using
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Subversion and compiled on a
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.Nx
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host, this would print:
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.D1 Dq elftoolchain HEAD NetBSD svn: Ns Em REVINFO
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where
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.Em REVINFO
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would be the current revision information for the project source tree.
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.Sh ERRORS
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Function
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.Fn elftc_program_version
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always succeeds.
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