Red Bear OS
1b3e94a20d
From release 0.1.0 pre-patched archive. This includes all Red Bear modifications previously maintained as patches in local/patches/relibc/.
59 lines
1.4 KiB
Bash
Executable File
59 lines
1.4 KiB
Bash
Executable File
#!/usr/bin/env bash
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set -e
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target=$1
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deps_dir=$2
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if [ -z "$target" ] || [ -z "$deps_dir" ]; then
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echo "Usage:\n\t./renamesyms.sh TARGET DEPS_DIR"
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exit 1
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fi
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if [ ! -f "$target" ]; then
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echo "Target file '$target' does not exist"
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exit 1
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fi
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if [ ! -d "$deps_dir" ] ; then
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echo "Deps dir '$deps_dir' does not exist or not a directory"
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exit 1
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fi
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symbols_file=`mktemp`
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special_syms=(
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__rdl_oom
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__rg_alloc
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__rg_alloc_zeroed
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__rg_dealloc
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__rg_oom
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__rg_realloc
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__rust_alloc
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__rust_alloc_error_handler
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__rust_alloc_error_handler_should_panic
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__rust_alloc_zeroed
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__rust_dealloc
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__rust_no_alloc_shim_is_unstable
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__rust_realloc
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)
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for dep in `find $deps_dir -type f -name "*.rlib"`; do
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"${NM}" --format=posix -g "$dep" 2>/dev/null | sed 's/.*:.*//g' | awk '{if ($2 == "T") print $1}' | sed 's/^\(.*\)$/\1 __relibc_\1/g' >> $symbols_file
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done
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for special_sym in "${special_syms[@]}"; do
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echo "$special_sym __relibc_$special_sym" >> $symbols_file
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done
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mangled_alloc_syms=$("${NM}" --format=posix -g "$target" 2>/dev/null | awk '{print $1}' | grep "7___rustc" || true)
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for sym in $mangled_alloc_syms; do
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echo "$sym __relibc_$sym" >> $symbols_file
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done
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sorted_file=`mktemp`
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sort -u "$symbols_file" > "$sorted_file"
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rm -f "$symbols_file"
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"${OBJCOPY}" --redefine-syms="$sorted_file" "$target"
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rm -f "$sorted_file"
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