linux_dsm_epyc7002/arch/x86/entry/syscalls/syscalltbl.sh
Brian Gerst cab56d3484 x86/entry: Remove ABI prefixes from functions in syscall tables
Move the ABI prefixes to the __SYSCALL_[abi]() macros.  This allows removal
of the need to strip the prefix for UML.

Signed-off-by: Brian Gerst <brgerst@gmail.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lkml.kernel.org/r/20200313195144.164260-13-brgerst@gmail.com
2020-03-21 16:03:23 +01:00

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#!/bin/bash
# SPDX-License-Identifier: GPL-2.0
in="$1"
out="$2"
syscall_macro() {
local abi="$1"
local nr="$2"
local entry="$3"
echo "__SYSCALL_${abi}($nr, $entry)"
}
emit() {
local abi="$1"
local nr="$2"
local entry="$3"
local compat="$4"
if [ "$abi" != "I386" -a -n "$compat" ]; then
echo "a compat entry ($abi: $compat) for a 64-bit syscall makes no sense" >&2
exit 1
fi
if [ -z "$compat" ]; then
if [ -n "$entry" ]; then
syscall_macro "$abi" "$nr" "$entry"
fi
else
echo "#ifdef CONFIG_X86_32"
if [ -n "$entry" ]; then
syscall_macro "$abi" "$nr" "$entry"
fi
echo "#else"
syscall_macro "$abi" "$nr" "$compat"
echo "#endif"
fi
}
grep '^[0-9]' "$in" | sort -n | (
while read nr abi name entry compat; do
abi=`echo "$abi" | tr '[a-z]' '[A-Z]'`
emit "$abi" "$nr" "$entry" "$compat"
done
) > "$out"