linux-loongson/tools/perf/trace/beauty/fs_at_flags.sh
Namhyung Kim 968121f0a6 perf tools: Fix build error on generated/fs_at_flags_array.c
It should only have generic flags in the array but the recent header
sync brought a new flags to fcntl.h and caused a build error.  Let's
update the shell script to exclude flags specific to name_to_handle_at().

    CC      trace/beauty/fs_at_flags.o
  In file included from trace/beauty/fs_at_flags.c:21:
  tools/perf/trace/beauty/generated/fs_at_flags_array.c:13:30: error: initialized field overwritten [-Werror=override-init]
     13 |         [ilog2(0x002) + 1] = "HANDLE_CONNECTABLE",
        |                              ^~~~~~~~~~~~~~~~~~~~
  tools/perf/trace/beauty/generated/fs_at_flags_array.c:13:30: note: (near initialization for ‘fs_at_flags[2]’)

Reviewed-by: James Clark <james.clark@linaro.org>
Link: https://lore.kernel.org/r/20241203035349.1901262-12-namhyung@kernel.org
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
2024-12-04 14:34:50 -08:00

28 lines
1.1 KiB
Bash
Executable File

#!/bin/sh
# SPDX-License-Identifier: LGPL-2.1
if [ $# -ne 1 ] ; then
beauty_uapi_linux_dir=tools/perf/trace/beauty/include/uapi/linux/
else
beauty_uapi_linux_dir=$1
fi
linux_fcntl=${beauty_uapi_linux_dir}/fcntl.h
printf "static const char *fs_at_flags[] = {\n"
regex='^[[:space:]]*#[[:space:]]*define[[:space:]]+AT_([^_]+[[:alnum:]_]+)[[:space:]]+(0x[[:xdigit:]]+)[[:space:]]*.*'
# AT_EACCESS is only meaningful to faccessat, so we will special case it there...
# AT_STATX_SYNC_TYPE is not a bit, its a mask of AT_STATX_SYNC_AS_STAT, AT_STATX_FORCE_SYNC and AT_STATX_DONT_SYNC
# AT_HANDLE_FID, AT_HANDLE_MNT_ID_UNIQUE and AT_HANDLE_CONNECTABLE are reusing values and are valid only for name_to_handle_at()
# AT_RENAME_NOREPLACE reuses 0x1 and is valid only for renameat2()
grep -E $regex ${linux_fcntl} | \
grep -v AT_EACCESS | \
grep -v AT_STATX_SYNC_TYPE | \
grep -v AT_HANDLE_FID | \
grep -v AT_HANDLE_MNT_ID_UNIQUE | \
grep -v AT_HANDLE_CONNECTABLE | \
grep -v AT_RENAME_NOREPLACE | \
sed -r "s/$regex/\2 \1/g" | \
xargs printf "\t[ilog2(%s) + 1] = \"%s\",\n"
printf "};\n"