Fork of Relibc
anders.sorby.xyz
1#!/usr/bin/env bash
2
3set -e
4
5target=$1
6deps_dir=$2
7
8if [ -z "$target" ] || [ -z "$deps_dir" ]; then
9 echo "Usage:\n\t./renamesyms.sh TARGET DEPS_DIR"
10 exit 1
11fi
12
13if [ ! -f "$target" ]; then
14 echo "Target file '$target' does not exist"
15 exit 1
16fi
17if [ ! -d "$deps_dir" ] ; then
18 echo "Deps dir '$deps_dir' does not exist or not a directory"
19 exit 1
20fi
21
22symbols_file=`mktemp`
23special_syms=(
24 __rdl_oom
25 __rg_alloc
26 __rg_alloc_zeroed
27 __rg_dealloc
28 __rg_oom
29 __rg_realloc
30 __rust_alloc
31 __rust_alloc_error_handler
32 __rust_alloc_error_handler_should_panic
33 __rust_alloc_zeroed
34 __rust_dealloc
35 __rust_no_alloc_shim_is_unstable
36 __rust_realloc
37 _RNvCsdRcTtHUCxqF_7___rustc12___rust_alloc
38 _RNvCsdRcTtHUCxqF_7___rustc19___rust_alloc_zeroed
39 _RNvCsdRcTtHUCxqF_7___rustc14___rust_dealloc
40 _RNvCsdRcTtHUCxqF_7___rustc14___rust_realloc
41 _RNvCsdRcTtHUCxqF_7___rustc8___rg_oom
42)
43
44for dep in `find $deps_dir -type f -name "*.rlib"`; do
45 "${NM}" --format=posix -g "$dep" 2>/dev/null | sed 's/.*:.*//g' | awk '{if ($2 == "T") print $1}' | sed 's/^\(.*\)$/\1 __relibc_\1/g' >> $symbols_file
46done
47
48for special_sym in "${special_syms[@]}"; do
49 echo "$special_sym __relibc_$special_sym" >> $symbols_file
50done
51
52sorted_file=`mktemp`
53sort -u "$symbols_file" > "$sorted_file"
54rm -f "$symbols_file"
55
56"${OBJCOPY}" --redefine-syms="$sorted_file" "$target"
57
58rm -f "$sorted_file"