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#!/bin/bash
usage="Usage: $0 <test-dir-path>"
# Check for the required ROMFS directory path
dir=$1
if [ -z "$dir" ]; then
echo "ERROR: Missing <test-dir-path>"
echo ""
echo $usage
exit 1
fi
if [ ! -d "$dir" ]; then
echo "ERROR: Directory $dir does not exist"
echo ""
echo $usage
exit 1
fi
# Extract all of the undefined symbols from the ELF files and create a
# list of sorted, unique undefined variable names.
varlist=`find ${dir} -executable -type f | xargs nm | fgrep ' U ' | sed -e "s/^[ ]*//g" | cut -d' ' -f2 | sort | uniq`
# 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
# faile
echo "#include <nuttx/compiler.h>"
echo "#include <nuttx/binfmt/symtab.h>"
echo ""
for var in $varlist; do
echo "extern void *${var};"
done
echo ""
echo "const struct symtab_s exports[] = "
echo "{"
for var in $varlist; do
echo " {\"${var}\", &${var}},"
done
echo "};"
echo ""
echo "const int nexports = sizeof(exports) / sizeof(struct symtab_s);"
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