linux/tools/objtool/sync-check.sh
Josh Poimboeuf f7515d9fe8 objtool: Add objtool_types.h
Reduce the amount of header sync churn by splitting the shared objtool.h
types into a new file.

Signed-off-by: Josh Poimboeuf <jpoimboe@kernel.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lore.kernel.org/r/dec622720851210ceafa12d4f4c5f9e73c832152.1677683419.git.jpoimboe@kernel.org
2023-03-23 23:18:56 +01:00

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#!/bin/sh
# SPDX-License-Identifier: GPL-2.0
if [ -z "$SRCARCH" ]; then
echo 'sync-check.sh: error: missing $SRCARCH environment variable' >&2
exit 1
fi
FILES="include/linux/objtool_types.h"
if [ "$SRCARCH" = "x86" ]; then
FILES="$FILES
arch/x86/include/asm/nops.h
arch/x86/include/asm/inat_types.h
arch/x86/include/asm/orc_types.h
arch/x86/include/asm/emulate_prefix.h
arch/x86/lib/x86-opcode-map.txt
arch/x86/tools/gen-insn-attr-x86.awk
include/linux/static_call_types.h
"
SYNC_CHECK_FILES='
arch/x86/include/asm/inat.h
arch/x86/include/asm/insn.h
arch/x86/lib/inat.c
arch/x86/lib/insn.c
'
fi
check_2 () {
file1=$1
file2=$2
shift
shift
cmd="diff $* $file1 $file2 > /dev/null"
test -f $file2 && {
eval $cmd || {
echo "Warning: Kernel ABI header at '$file1' differs from latest version at '$file2'" >&2
echo diff -u $file1 $file2
}
}
}
check () {
file=$1
shift
check_2 tools/$file $file $*
}
if [ ! -d ../../kernel ] || [ ! -d ../../tools ] || [ ! -d ../objtool ]; then
exit 0
fi
cd ../..
while read -r file_entry; do
if [ -z "$file_entry" ]; then
continue
fi
check $file_entry
done <<EOF
$FILES
EOF
if [ "$SRCARCH" = "x86" ]; then
for i in $SYNC_CHECK_FILES; do
check $i '-I "^.*\/\*.*__ignore_sync_check__.*\*\/.*$"'
done
fi