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Commit 2df0e78b authored by sylvain.bertrand@gmail.com's avatar sylvain.bertrand@gmail.com Committed by Thomas Gleixner
Browse files

x86/syscalls: Remove bash-isms in syscall table generator 



Signed-off-by: default avatarSylvain BERTRAND <sylvain.bertrand@gmail.com>
Link: http://lkml.kernel.org/r/20160929162234.GA29592@freedom


Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
parent db91aa79

arch/x86/entry/syscalls/syscalltbl.sh

+9 −6
Original line number Diff line number Diff line
@@ -10,8 +10,11 @@ syscall_macro() { 


    # Entry can be either just a function name or "function/qualifier"

    real_entry="${entry%%/*}"

    qualifier="${entry:${#real_entry}}"		# Strip the function name

    qualifier="${qualifier:1}"			# Strip the slash, if any

    if [ "$entry" = "$real_entry" ]; then

        qualifier=

    else

        qualifier=${entry#*/}

    fi



    echo "__SYSCALL_${abi}($nr, $real_entry, $qualifier)"

}
@@ -22,7 +25,7 @@ emit() { 
    entry="$3"

    compat="$4"



    if [ "$abi" == "64" -a -n "$compat" ]; then

    if [ "$abi" = "64" -a -n "$compat" ]; then

	echo "a compat entry for a 64-bit syscall makes no sense" >&2

	exit 1

    fi
@@ -45,17 +48,17 @@ emit() { 
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

	if [ "$abi" = "COMMON" -o "$abi" = "64" ]; then

	    # COMMON is the same as 64, except that we don't expect X32

	    # programs to use it.  Our expectation has nothing to do with

	    # any generated code, so treat them the same.

	    emit 64 "$nr" "$entry" "$compat"

	elif [ "$abi" == "X32" ]; then

	elif [ "$abi" = "X32" ]; then

	    # X32 is equivalent to 64 on an X32-compatible kernel.

	    echo "#ifdef CONFIG_X86_X32_ABI"

	    emit 64 "$nr" "$entry" "$compat"

	    echo "#endif"

	elif [ "$abi" == "I386" ]; then

	elif [ "$abi" = "I386" ]; then

	    emit "$abi" "$nr" "$entry" "$compat"

	else

	    echo "Unknown abi $abi" >&2