Improved OSX support (#1005)

Co-authored-by: Your Name <you@example.com>

1 files changed, 32 insertions, 0 deletions

diff --git a/frida_mode/util/get_symbol_addr.sh b/frida_mode/util/get_symbol_addr.sh
new file mode 100755
index 00000000..7f9b7d22
--- /dev/null
+++ b/frida_mode/util/get_symbol_addr.sh
@@ -0,0 +1,32 @@
+#!/bin/bash
+# Copyright 2020 Google LLC
+#
+# Licensed 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.
+# set -x
+target="$1"
+symbol="$2"
+base="$3"
+
+test -z "$target" -o -z "$symbol" -o '!' -e "$target" && exit 0
+
+test $(uname -s) = "Darwin" && symbol=_"$symbol"
+
+file "$target" | grep -q executable && {
+  nm "$target" | grep -i "T $symbol" | awk '{print"0x"$1}'
+  exit 0
+}
+
+hex_base=$(echo "$3" | awk '{sub("^0x","");print $0}')
+nm "$target" | grep -i "T $symbol" | awk '{print$1}' | tr a-f A-F | \
+  xargs echo "ibase=16;obase=10;$hex_base + " | bc | tr A-F a-f | awk '{print "0x"$0}'
+exit 0