mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-27 07:20:11 +00:00
688903eb3e
* All files with FSF copyright notices: Update copyright dates using scripts/update-copyrights. * locale/programs/charmap-kw.h: Regenerated. * locale/programs/locfile-kw.h: Likewise.
100 lines
2.9 KiB
Bash
100 lines
2.9 KiB
Bash
#!/bin/bash
|
|
# Consistency checks for the system call list
|
|
# Copyright (C) 2017-2018 Free Software Foundation, Inc.
|
|
# This file is part of the GNU C Library.
|
|
#
|
|
# The GNU C Library is free software; you can redistribute it and/or
|
|
# modify it under the terms of the GNU Lesser General Public
|
|
# License as published by the Free Software Foundation; either
|
|
# version 2.1 of the License, or (at your option) any later version.
|
|
#
|
|
# The GNU C Library is distributed in the hope that it will be useful,
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
# Lesser General Public License for more details.
|
|
#
|
|
# You should have received a copy of the GNU Lesser General Public
|
|
# License along with the GNU C Library; if not, see
|
|
# <http://www.gnu.org/licenses/>.
|
|
|
|
export LC_ALL=C
|
|
set -e
|
|
set -o pipefail
|
|
|
|
if test $# != 4; then
|
|
echo "error: wrong number of arguments: $#"
|
|
exit 1
|
|
fi
|
|
|
|
macros="$1"
|
|
list_nr="$2"
|
|
list_sys="$3"
|
|
GAWK="$4"
|
|
|
|
linux_version="$("$GAWK" \
|
|
'/#define LINUX_VERSION_CODE / {print $3}' < "$macros")"
|
|
glibc_linux_version="$("$GAWK" \
|
|
'/#define __GLIBC_LINUX_VERSION_CODE / {print $3}' < "$macros")"
|
|
|
|
echo "info: LINUX_VERSION_CODE: $linux_version"
|
|
echo "info: __GLIBC_LINUX_VERSION_CODE: $glibc_linux_version"
|
|
# Ignore the subrelease in the comparison.
|
|
if test $(expr "$glibc_linux_version" / 256) \
|
|
-lt $(expr "$linux_version" / 256); then
|
|
echo "info: The kernel major/minor version is newer than the glibc version"
|
|
kernel_newer=true
|
|
else
|
|
kernel_newer=false
|
|
fi
|
|
echo
|
|
|
|
errors=0
|
|
|
|
# Use getpid as a system call which is expected to be always defined.
|
|
# alpha uses getxpid instead, so it is permitted as an alternative.
|
|
if ! grep -E -q '^getx?pid$' -- "$list_nr"; then
|
|
echo "error: __NR_getpid not defined"
|
|
errors=1
|
|
fi
|
|
if ! grep -E -q '^getx?pid$' -- "$list_sys"; then
|
|
echo "error: SYS_getpid not defined"
|
|
errors=1
|
|
fi
|
|
|
|
comm_1="$(mktemp)"
|
|
comm_2="$(mktemp)"
|
|
comm_result="$(mktemp)"
|
|
cleanup () {
|
|
rm -f -- "$comm_1" "$comm_2" "$comm_result"
|
|
}
|
|
trap cleanup 0
|
|
|
|
sort -o "$comm_1" -- "$list_nr"
|
|
sort -o "$comm_2" -- "$list_sys"
|
|
|
|
# Check for missing SYS_* macros.
|
|
comm --check-order -2 -3 -- "$comm_1" "$comm_2" > "$comm_result"
|
|
if test -s "$comm_result"; then
|
|
echo "error: These system calls need to be added to syscall-names.list:"
|
|
cat -- "$comm_result"
|
|
# This is only an error if our version is older than the kernel
|
|
# version because we cannot predict future kernel development.
|
|
if $kernel_newer; then
|
|
echo
|
|
echo "warning: This error has been ignored because the glibc"
|
|
echo "warning: system call list is older than the kernel version."
|
|
else
|
|
errors=1
|
|
fi
|
|
fi
|
|
|
|
# Check for additional SYS_* macros.
|
|
comm --check-order -1 -3 -- "$comm_1" "$comm_2" > "$comm_result"
|
|
if test -s "$comm_result"; then
|
|
echo "error: The following system calls have unexpected SYS_* macros:"
|
|
cat -- "$comm_result"
|
|
errors=1
|
|
fi
|
|
|
|
exit "$errors"
|