1 files changed, 40 insertions, 0 deletions
diff --git a/js/src/gdb/mozilla/autoload.py b/js/src/gdb/mozilla/autoload.py
new file mode 100644
index 0000000000..5e7347d4e1
--- /dev/null
+++ b/js/src/gdb/mozilla/autoload.py
@@ -0,0 +1,40 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this file,
+# You can obtain one at http://mozilla.org/MPL/2.0/.
+
+# mozilla/autoload.py: Autoload SpiderMonkey pretty-printers.
+
+print("Loading JavaScript value pretty-printers; see js/src/gdb/README.")
+print("If they cause trouble, type: disable pretty-printer .* SpiderMonkey")
+
+import gdb.printing
+import mozilla.ExecutableAllocator
+
+# Import the pretty-printer modules. As a side effect, loading these
+# modules registers their printers with mozilla.prettyprinters.
+import mozilla.GCCellPtr
+import mozilla.Interpreter
+import mozilla.IonGraph
+import mozilla.JSObject
+import mozilla.jsop
+import mozilla.JSString
+import mozilla.JSSymbol
+import mozilla.jsval
+import mozilla.prettyprinters
+import mozilla.PropertyKey
+import mozilla.Root
+import mozilla.unwind
+
+# The user may have personal pretty-printers. Get those, too, if they exist.
+try:
+    import my_mozilla_printers  # NOQA: F401
+except ImportError:
+    pass
+
+
+def register(objfile):
+    # Register our pretty-printers with |objfile|.
+    lookup = mozilla.prettyprinters.lookup_for_objfile(objfile)
+    if lookup:
+        gdb.printing.register_pretty_printer(objfile, lookup, replace=True)
+    mozilla.unwind.register_unwinder(objfile)