tools/perf/trace/beauty/fs_at_flags.sh

   1 #!/bin/sh
   2 # SPDX-License-Identifier: LGPL-2.1
   3
   4 if [ $# -ne 1 ] ; then
   5         beauty_uapi_linux_dir=tools/perf/trace/beauty/include/uapi/linux/
   6 else
   7         beauty_uapi_linux_dir=$1
   8 fi
   9
  10 linux_fcntl=${beauty_uapi_linux_dir}/fcntl.h
  11
  12 printf "static const char *fs_at_flags[] = {\n"
  13 regex='^[[:space:]]*#[[:space:]]*define[[:space:]]+AT_([^_]+[[:alnum:]_]+)[[:space:]]+(0x[[:xdigit:]]+)[[:space:]]*.*'
  14 # AT_EACCESS is only meaningful to faccessat, so we will special case it there...
  15 # 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
  16 # AT_HANDLE_FID and AT_HANDLE_MNT_ID_UNIQUE are reusing values and are valid only for name_to_handle_at()
  17 # AT_RENAME_NOREPLACE reuses 0x1 and is valid only for renameat2()
  18 grep -E $regex ${linux_fcntl} | \
  19         grep -v AT_EACCESS | \
  20         grep -v AT_STATX_SYNC_TYPE | \
  21         grep -v AT_HANDLE_FID | \
  22         grep -v AT_HANDLE_MNT_ID_UNIQUE | \
  23         grep -v AT_RENAME_NOREPLACE | \
  24         sed -r "s/$regex/\2 \1/g"       | \
  25         xargs printf "\t[ilog2(%s) + 1] = \"%s\",\n"
  26 printf "};\n"