tools/perf/trace/beauty/mmap_flags.sh

   1 #!/bin/sh
   2 # SPDX-License-Identifier: LGPL-2.1
   3
   4 if [ $# -ne 2 ] ; then
   5         [ $# -eq 1 ] && hostarch=$1 || hostarch=`uname -m | sed -e s/i.86/x86/ -e s/x86_64/x86/`
   6         header_dir=tools/include/uapi/asm-generic
   7         arch_header_dir=tools/arch/${hostarch}/include/uapi/asm
   8 else
   9         header_dir=$1
  10         arch_header_dir=$2
  11 fi
  12
  13 arch_mman=${arch_header_dir}/mman.h
  14
  15 # those in egrep -vw are flags, we want just the bits
  16
  17 printf "static const char *mmap_flags[] = {\n"
  18 regex='^[[:space:]]*#[[:space:]]*define[[:space:]]+MAP_([[:alnum:]_]+)[[:space:]]+(0x[[:xdigit:]]+)[[:space:]]*.*'
  19 egrep -q $regex ${arch_mman} && \
  20 (egrep $regex ${arch_mman} | \
  21         sed -r "s/$regex/\2 \1/g"       | \
  22         xargs printf "\t[ilog2(%s) + 1] = \"%s\",\n")
  23 ([ ! -f ${arch_mman} ] || egrep -q '#[[:space:]]*include[[:space:]]+<uapi/asm-generic/mman.*' ${arch_mman}) &&
  24 (egrep $regex ${header_dir}/mman-common.h | \
  25         egrep -vw 'MAP_(UNINITIALIZED|TYPE|SHARED_VALIDATE)' | \
  26         sed -r "s/$regex/\2 \1/g"       | \
  27         xargs printf "\t[ilog2(%s) + 1] = \"%s\",\n")
  28 ([ ! -f ${arch_mman} ] || egrep -q '#[[:space:]]*include[[:space:]]+<uapi/asm-generic/mman.h>.*' ${arch_mman}) &&
  29 (egrep $regex ${header_dir}/mman.h | \
  30         sed -r "s/$regex/\2 \1/g"       | \
  31         xargs printf "\t[ilog2(%s) + 1] = \"%s\",\n")
  32 printf "};\n"