incubator-nuttx/tools/mkallsyms.sh

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#!/usr/bin/env bash
############################################################################
# tools/mkallsyms.sh
#
# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements. See the NOTICE file distributed with
# this work for additional information regarding copyright ownership. The
# ASF licenses this file to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance with the
# License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
#
############################################################################
export LC_ALL=C
usage="Usage: $0 <ELFBIN> <CROSSDEV>"
# Get the symbol table
# Extract all of the symbols from the ELF files and create a
# list of sorted, unique undefined variable names.
# Now output the symbol table as a structure in a C source file. All
# undefined symbols are declared as void* types. If the toolchain does
# any kind of checking for function vs. data objects, then this could
# failed
nm="${2}nm"
filt="${2}c++filt"
if [ -f "${1}" ];then
count=`${nm} -n ${1} | grep -E " [T|t] " | uniq | wc -l`
else
count=0
fi
echo "#include <nuttx/compiler.h>"
echo "#include <nuttx/symtab.h>"
echo ""
echo "const int g_nallsyms = ${count} + 2;"
echo "const struct symtab_s g_allsyms[${count} + 2] = "
echo "{"
# Add start address boundary
echo " { \"Unknown\", (FAR const void *)0x00000000 },"
if [ -f "${1}" ];then
${nm} -n ${1} | grep -E " [T|t] " | uniq | \
while read addr type name
do
echo " { \"`${filt} -p $name`\", (FAR const void *)0x$addr },"
done
fi
# Add end address boundary
echo " { \"Unknown\", (FAR const void *)0xffffffff },"
echo "};"