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renamesyms.sh
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/
renamesyms.sh
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#!/bin/bash
target=$1
deps_dir=$2
if [ -z "$target" ] || [ -z "$deps_dir" ]; then
echo "Usage:\n\t./renamesyms.sh TARGET DEPS_DIR"
exit 1
fi
symbols_file=`mktemp`
special_syms=(
__rg_alloc
__rg_alloc_zeroed
__rg_dealloc
__rg_oom
__rg_realloc
__rust_alloc
__rust_alloc_error_handler
__rust_alloc_error_handler_should_panic
__rust_alloc_zeroed
__rust_dealloc
__rust_no_alloc_shim_is_unstable
__rust_realloc
)
for dep in `find $deps_dir -type f -name "*.rlib"`; do
"${TARGET}-nm" --format=posix -g "$dep" 2>/dev/null | sed 's/.*:.*//g' | awk '{if ($2 == "T") print $1}' | sed 's/^\(.*\)$/\1 __relibc_\1/g' >> $symbols_file
done
for special_sym in "${special_syms[@]}"; do
echo "$special_sym __relibc_$special_sym" >> $symbols_file
done
sorted_file=`mktemp`
sort -u "$symbols_file" > "$sorted_file"
rm -f "$symbols_file"
"${TARGET}-objcopy" --redefine-syms="$sorted_file" "$target"
rm -f "$sorted_file"