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	This patch updates the kernel version in the test tst-mman-consts.py to 5.8. (There are no new MAP_* constants covered by this test in 5.8 that need any other header changes.) Tested with build-many-glibcs.py.
		
			
				
	
	
		
			58 lines
		
	
	
		
			2.3 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			58 lines
		
	
	
		
			2.3 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
#!/usr/bin/python3
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# Test that glibc's sys/mman.h constants match the kernel's.
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# Copyright (C) 2018-2020 Free Software Foundation, Inc.
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# This file is part of the GNU C Library.
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#
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# The GNU C Library is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Lesser General Public
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# License as published by the Free Software Foundation; either
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# version 2.1 of the License, or (at your option) any later version.
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#
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# The GNU C Library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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# Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public
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# License along with the GNU C Library; if not, see
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# <https://www.gnu.org/licenses/>.
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import argparse
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import sys
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import glibcextract
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import glibcsyscalls
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def main():
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    """The main entry point."""
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    parser = argparse.ArgumentParser(
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        description="Test that glibc's sys/mman.h constants "
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        "match the kernel's.")
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    parser.add_argument('--cc', metavar='CC',
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                        help='C compiler (including options) to use')
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    args = parser.parse_args()
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    linux_version_headers = glibcsyscalls.linux_kernel_version(args.cc)
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    linux_version_glibc = (5, 8)
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    sys.exit(glibcextract.compare_macro_consts(
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        '#define _GNU_SOURCE 1\n'
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        '#include <sys/mman.h>\n',
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        '#define _GNU_SOURCE 1\n'
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        '#include <linux/mman.h>\n',
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        args.cc,
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        'MAP_.*',
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        # A series of MAP_HUGE_<size> macros are defined by the kernel
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        # but not by glibc.  MAP_UNINITIALIZED is kernel-only.
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        # MAP_FAILED is not a MAP_* flag and is glibc-only, as is the
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        # MAP_ANON alias for MAP_ANONYMOUS.  MAP_RENAME, MAP_AUTOGROW,
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        # MAP_LOCAL and MAP_AUTORSRV are in the kernel header for
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        # MIPS, marked as "not used by linux"; SPARC has MAP_INHERIT
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        # in the kernel header, but does not use it.
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        'MAP_HUGE_[0-9].*|MAP_UNINITIALIZED|MAP_FAILED|MAP_ANON'
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        '|MAP_RENAME|MAP_AUTOGROW|MAP_LOCAL|MAP_AUTORSRV|MAP_INHERIT',
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        linux_version_glibc > linux_version_headers,
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        linux_version_headers > linux_version_glibc))
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if __name__ == '__main__':
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    main()
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