85 lines
2.0 KiB
Bash
85 lines
2.0 KiB
Bash
|
#!/bin/bash
|
||
|
|
# SPDX-License-Identifier: GPL-2.0
|
||
|
|
|
||
|
|
in="$1"
|
||
|
|
out="$2"
|
||
|
|
|
||
|
|
syscall_macro() {
|
||
|
|
local abi="$1"
|
||
|
|
local nr="$2"
|
||
|
|
local entry="$3"
|
||
|
|
|
||
|
|
# Entry can be either just a function name or "function/qualifier"
|
||
|
|
real_entry="${entry%%/*}"
|
||
|
|
if [ "$entry" = "$real_entry" ]; then
|
||
|
|
qualifier=
|
||
|
|
else
|
||
|
|
qualifier=${entry#*/}
|
||
|
|
fi
|
||
|
|
|
||
|
|
echo "__SYSCALL_${abi}($nr, $real_entry, $qualifier)"
|
||
|
|
}
|
||
|
|
|
||
|
|
emit() {
|
||
|
|
local abi="$1"
|
||
|
|
local nr="$2"
|
||
|
|
local entry="$3"
|
||
|
|
local compat="$4"
|
||
|
|
local umlentry=""
|
||
|
|
|
||
|
|
if [ "$abi" != "I386" -a -n "$compat" ]; then
|
||
|
|
echo "a compat entry ($abi: $compat) for a 64-bit syscall makes no sense" >&2
|
||
|
|
exit 1
|
||
|
|
fi
|
||
|
|
|
||
|
|
# For CONFIG_UML, we need to strip the __x64_sys prefix
|
||
|
|
if [ "$abi" = "64" -a "${entry}" != "${entry#__x64_sys}" ]; then
|
||
|
|
umlentry="sys${entry#__x64_sys}"
|
||
|
|
fi
|
||
|
|
|
||
|
|
if [ -z "$compat" ]; then
|
||
|
|
if [ -n "$entry" -a -z "$umlentry" ]; then
|
||
|
|
syscall_macro "$abi" "$nr" "$entry"
|
||
|
|
elif [ -n "$umlentry" ]; then # implies -n "$entry"
|
||
|
|
echo "#ifdef CONFIG_X86"
|
||
|
|
syscall_macro "$abi" "$nr" "$entry"
|
||
|
|
echo "#else /* CONFIG_UML */"
|
||
|
|
syscall_macro "$abi" "$nr" "$umlentry"
|
||
|
|
echo "#endif"
|
||
|
|
fi
|
||
|
|
else
|
||
|
|
echo "#ifdef CONFIG_X86_32"
|
||
|
|
if [ -n "$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]'`
|
||
|
|
if [ "$abi" = "COMMON" -o "$abi" = "64" ]; then
|
||
|
|
emit 64 "$nr" "$entry" "$compat"
|
||
|
|
if [ "$abi" = "COMMON" ]; then
|
||
|
|
# COMMON means that this syscall exists in the same form for
|
||
|
|
# 64-bit and X32.
|
||
|
|
echo "#ifdef CONFIG_X86_X32_ABI"
|
||
|
|
emit X32 "$nr" "$entry" "$compat"
|
||
|
|
echo "#endif"
|
||
|
|
fi
|
||
|
|
elif [ "$abi" = "X32" ]; then
|
||
|
|
echo "#ifdef CONFIG_X86_X32_ABI"
|
||
|
|
emit X32 "$nr" "$entry" "$compat"
|
||
|
|
echo "#endif"
|
||
|
|
elif [ "$abi" = "I386" ]; then
|
||
|
|
emit "$abi" "$nr" "$entry" "$compat"
|
||
|
|
else
|
||
|
|
echo "Unknown abi $abi" >&2
|
||
|
|
exit 1
|
||
|
|
fi
|
||
|
|
done
|
||
|
|
) > "$out"
|