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26e14efdb8
This patch updates the kernel version in the test tst-mman-consts.py to 5.4. (There are no new constants covered by this test in 5.4 that need any other header changes.) Tested with build-many-glibcs.py.
66 lines
2.6 KiB
Python
66 lines
2.6 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) 2018-2019 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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def linux_kernel_version(cc):
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"""Return the (major, minor) version of the Linux kernel headers."""
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sym_data = ['#include <linux/version.h>', 'START',
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('LINUX_VERSION_CODE', 'LINUX_VERSION_CODE')]
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val = glibcextract.compute_c_consts(sym_data, cc)['LINUX_VERSION_CODE']
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val = int(val)
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return ((val & 0xff0000) >> 16, (val & 0xff00) >> 8)
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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 = linux_kernel_version(args.cc)
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linux_version_glibc = (5, 4)
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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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