1 files changed, 36 insertions, 0 deletions
diff --git a/security/nss/coreconf/sanitizers.py b/security/nss/coreconf/sanitizers.py
new file mode 100644
index 000000000..2f62d00bb
--- /dev/null
+++ b/security/nss/coreconf/sanitizers.py
@@ -0,0 +1,36 @@
+#!/usr/bin/env python2
+
+from __future__ import print_function
+import sys
+
+def main():
+    if len(sys.argv) < 2:
+        raise Exception('Specify either "ld", asan", "msan", "sancov" or "ubsan" as argument.')
+
+    sanitizer = sys.argv[1]
+    if sanitizer == "ubsan":
+        print('-fsanitize=undefined -fno-sanitize-recover=undefined ', end='')
+        return
+    if sanitizer == "asan":
+        print('-fsanitize=address ', end='')
+        print('-fno-omit-frame-pointer -fno-optimize-sibling-calls ', end='')
+        return
+    if sanitizer == "msan":
+        print('-fsanitize=memory -fsanitize-memory-track-origins ', end='')
+        print('-fno-omit-frame-pointer -fno-optimize-sibling-calls ', end='')
+        return
+    if sanitizer == "sancov":
+        if len(sys.argv) < 3:
+            raise Exception('sancov requires another argument (edge|bb|func).')
+        print('-fsanitize-coverage='+sys.argv[2]+' ', end='')
+        return
+
+    # We have to remove this from the ld flags when building asan.
+    if sanitizer == "ld":
+        print('-Wl,-z,defs ', end='')
+        return
+
+    raise Exception('Specify either "ld", asan", "msan", "sancov" or "ubsan" as argument.')
+
+if __name__ == '__main__':
+    main()