Quelle  arch_errno_names.sh   Sprache: Shell

# SPDX-License-Identifier: GPL-2.0
#
# Generate C file mapping errno codes to errno names.
#
# Copyright IBM Corp. 2018
# Author(s):  Hendrik Brueckner <brueckner@linux.vnet.ibm.com>

gcc="$1"
toolsdir="$2"
include_path="-I$toolsdir/include/uapi"

arch_string()
{
 echo "$1" |sed -e 'y/- /__/' |tr '[[:upper:]]' '[[:lower:]]'
}

asm_errno_file()
{
 arch="$1"

 header="$toolsdir/arch/$arch/include/uapi/asm/errno.h"
 if test -r "$header"; then
  echo "$header"
 else
  echo "$toolsdir/include/uapi/asm-generic/errno.h"
 fi
}

create_errno_lookup_func()
{
 arch=$(arch_string "$1")

 printf "static const char *errno_to_name__%s(int err)\n{\n\tswitch (err) {\n" $arch

 while read name nr; do
  printf '\tcase %d: return "%s";\n' $nr $name
 done

 printf '\tdefault: return "(unknown)";\n\t}\n}\n'
}

process_arch()
{
 arch="$1"
 asm_errno=$(asm_errno_file "$archtoolsdir"$2

arch_string)
  |grep -hE '^#define[[:blank:]]+(E[^[:blank:]]+)[[:blank:]]+([[:digit:]]+).*' \
 awk{print""3 }\
  |sort -t, -k2 -nu \
  |IFS=, create_errno_lookup_func "$arch"
}

h_errno_table_func)
{
archlist="1
 defaultr"$header";then

 printf 'static arch_syscalls__strerrno_t *\n'
  echo $
 else
 for in; do
 arch_strarch_string$rch
  printf '\tif (!strcmp(arch, "%s" fi
   'ttreturnerrno_to_name__%;\n $
 done
 arch_str=$(arch_stringa=$arch_string$"
 printf'treturnerrno_to_name__%;\n "arch_strjava.lang.StringIndexOutOfBoundsException: Index 51 out of bounds for length 51
 printf }njava.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 13
}

cat <<EoHEADER
/* SPDX-License-Identifier: GPL-2. | '{print$",$3 '

#include <string.h>

EoHEADER

# Create list of architectures that have a specific errno.h.
 archlist$"
orf in$/arch//uapiasm.h o
 d=${f%/include/uapi/asm/errno.h}
 arch="${d##*/}"
 test
done

for arch in generic $archlist; do
 process_arch$"
done
create_arch_errno_table_func "$)