Add m-esr52 at 52.6.0

1 files changed, 63 insertions, 0 deletions

diff --git a/memory/mozalloc/msvc_raise_wrappers.cpp b/memory/mozalloc/msvc_raise_wrappers.cpp
new file mode 100644
index 000000000..820663f63
--- /dev/null
+++ b/memory/mozalloc/msvc_raise_wrappers.cpp
@@ -0,0 +1,63 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+ * vim: sw=4 ts=4 et :
+ */
+/* 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/. */
+
+#include <stdio.h>
+
+#include "mozalloc_abort.h"
+
+__declspec(noreturn) static void abort_from_exception(const char* const which,
+                                                      const char* const what);
+static void
+abort_from_exception(const char* const which,  const char* const what)
+{
+    fprintf(stderr, "fatal: STL threw %s: ", which);
+    mozalloc_abort(what);
+}
+
+namespace std {
+
+// NB: user code is not supposed to touch the std:: namespace.  We're
+// doing this after careful review because we want to define our own
+// exception throwing semantics.  Don't try this at home!
+
+MFBT_API __declspec(noreturn) void
+moz_Xinvalid_argument(const char* what)
+{
+    abort_from_exception("invalid_argument", what);
+}
+
+MFBT_API __declspec(noreturn) void
+moz_Xlength_error(const char* what)
+{
+    abort_from_exception("length_error", what);
+}
+
+MFBT_API __declspec(noreturn) void
+moz_Xout_of_range(const char* what)
+{
+    abort_from_exception("out_of_range", what);
+}
+
+MFBT_API __declspec(noreturn) void
+moz_Xoverflow_error(const char* what)
+{
+    abort_from_exception("overflow_error", what);
+}
+
+MFBT_API __declspec(noreturn) void
+moz_Xruntime_error(const char* what)
+{
+    abort_from_exception("runtime_error", what);
+}
+
+MFBT_API __declspec(noreturn) void
+moz_Xbad_function_call()
+{
+    abort_from_exception("bad_function_call", "bad function call");
+}
+
+} // namespace std