102 lines
3.3 KiB
Bash
Executable File
102 lines
3.3 KiB
Bash
Executable File
#!/usr/bin/env bash
|
|
############################################################################
|
|
# apps/tools/mksymtab.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 <imagedirpath> [symtabprefix]"
|
|
|
|
# Check for the required directory path
|
|
|
|
dir=$1
|
|
if [ -z "$dir" ]; then
|
|
echo "ERROR: Missing <imagedirpath>"
|
|
echo ""
|
|
echo $usage
|
|
exit 1
|
|
fi
|
|
|
|
# Get the symbol table prefix
|
|
|
|
prefix=$2
|
|
|
|
# Extract all of the undefined symbols from the ELF files and create a
|
|
# list of sorted, unique undefined variable names.
|
|
|
|
varlist=`find $dir -name *-thunk.S 2>/dev/null | xargs grep -h asciz | cut -f3 | sort | uniq`
|
|
if [ -z "$varlist" ]; then
|
|
execlist=`find $dir -type f 2>/dev/null`
|
|
if [ ! -z "$execlist" ]; then
|
|
varlist=`nm $execlist 2>/dev/null | fgrep ' U ' | sed -e "s/^[ ]*//g" | cut -d' ' -f2 | sort | uniq`
|
|
fi
|
|
fi
|
|
|
|
# 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
|
|
|
|
echo "#include <nuttx/compiler.h>"
|
|
echo "#include <nuttx/symtab.h>"
|
|
echo ""
|
|
|
|
echo "#if defined(__GNUC__) && !defined(__clang__)"
|
|
echo "# pragma GCC diagnostic ignored \"-Wbuiltin-declaration-mismatch\""
|
|
echo "#endif"
|
|
echo ""
|
|
|
|
for string in $varlist; do
|
|
var=`echo $string | sed -e "s/\"//g"`
|
|
echo "extern void *${var};"
|
|
done
|
|
|
|
echo ""
|
|
if [ -z "$prefix" ]; then
|
|
echo "#if defined(CONFIG_EXECFUNCS_HAVE_SYMTAB)"
|
|
echo "const struct symtab_s CONFIG_EXECFUNCS_SYMTAB_ARRAY[] = "
|
|
echo "#elif defined(CONFIG_SYSTEM_NSH_SYMTAB)"
|
|
echo "const struct symtab_s CONFIG_SYSTEM_NSH_SYMTAB_ARRAYNAME[] = "
|
|
echo "#else"
|
|
echo "const struct symtab_s dummy_symtab[] = "
|
|
echo "#endif"
|
|
else
|
|
echo "const struct symtab_s ${prefix}_exports[] = "
|
|
fi
|
|
echo "{"
|
|
|
|
for string in $varlist; do
|
|
var=`echo $string | sed -e "s/\"//g"`
|
|
echo " {\"${var}\", &${var}},"
|
|
done
|
|
|
|
echo "};"
|
|
echo ""
|
|
if [ -z "$prefix" ]; then
|
|
echo "#if defined(CONFIG_EXECFUNCS_HAVE_SYMTAB)"
|
|
echo "const int CONFIG_EXECFUNCS_NSYMBOLS_VAR = sizeof(CONFIG_EXECFUNCS_SYMTAB_ARRAY) / sizeof(struct symtab_s);"
|
|
echo "#elif defined(CONFIG_SYSTEM_NSH_SYMTAB)"
|
|
echo "const int CONFIG_SYSTEM_NSH_SYMTAB_COUNTNAME = sizeof(CONFIG_SYSTEM_NSH_SYMTAB_ARRAYNAME) / sizeof(struct symtab_s);"
|
|
echo "#else"
|
|
echo "const int dummy_nsymtabs = sizeof(dummy_symtab) / sizeof(struct symtab_s);"
|
|
echo "#endif"
|
|
else
|
|
echo "const int ${prefix}_nexports = sizeof(${prefix}_exports) / sizeof(struct symtab_s);"
|
|
fi
|