Add m-esr52 at 52.6.0

1 files changed, 145 insertions, 0 deletions

diff --git a/memory/mozalloc/throw_gcc.h b/memory/mozalloc/throw_gcc.h
new file mode 100644
index 000000000..4264df63d
--- /dev/null
+++ b/memory/mozalloc/throw_gcc.h
@@ -0,0 +1,145 @@
+/* -*- 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/. */
+
+#ifndef mozilla_throw_gcc_h
+#define mozilla_throw_gcc_h
+
+#include "mozilla/Attributes.h"
+
+#include <stdio.h>              // snprintf
+#include <string.h>             // strerror
+
+// For gcc, we define these inline to abort so that we're absolutely
+// certain that (i) no exceptions are thrown from Gecko; (ii) these
+// errors are always terminal and caught by breakpad.
+
+#include "mozilla/mozalloc_abort.h"
+
+// libc++ 4.0.0 and higher use C++11 [[noreturn]] attributes for the functions
+// below, and since clang does not allow mixing __attribute__((noreturn)) and
+// [[noreturn]], we have to explicitly use the latter here.  See bug 1329520.
+#if defined(__clang__)
+#  if __has_feature(cxx_attributes) && \
+      defined(_LIBCPP_VERSION) && _LIBCPP_VERSION >= 4000
+#    define MOZ_THROW_NORETURN [[noreturn]]
+#  endif
+#endif
+#ifndef MOZ_THROW_NORETURN
+#  define MOZ_THROW_NORETURN MOZ_NORETURN
+#endif
+
+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!
+
+MOZ_THROW_NORETURN MOZ_EXPORT MOZ_ALWAYS_INLINE void
+__throw_bad_exception(void)
+{
+    mozalloc_abort("fatal: STL threw bad_exception");
+}
+
+MOZ_THROW_NORETURN MOZ_EXPORT MOZ_ALWAYS_INLINE void
+__throw_bad_alloc(void)
+{
+    mozalloc_abort("fatal: STL threw bad_alloc");
+}
+
+MOZ_THROW_NORETURN MOZ_EXPORT MOZ_ALWAYS_INLINE void
+__throw_bad_cast(void)
+{
+    mozalloc_abort("fatal: STL threw bad_cast");
+}
+
+MOZ_THROW_NORETURN MOZ_EXPORT MOZ_ALWAYS_INLINE void
+__throw_bad_typeid(void)
+{
+    mozalloc_abort("fatal: STL threw bad_typeid");
+}
+
+// used by <functional>
+MOZ_THROW_NORETURN MOZ_EXPORT MOZ_ALWAYS_INLINE void
+__throw_bad_function_call(void)
+{
+    mozalloc_abort("fatal: STL threw bad_function_call");
+}
+
+MOZ_THROW_NORETURN MOZ_EXPORT MOZ_ALWAYS_INLINE void
+__throw_logic_error(const char* msg)
+{
+    mozalloc_abort(msg);
+}
+
+MOZ_THROW_NORETURN MOZ_EXPORT MOZ_ALWAYS_INLINE void
+__throw_domain_error(const char* msg)
+{
+    mozalloc_abort(msg);
+}
+
+MOZ_THROW_NORETURN MOZ_EXPORT MOZ_ALWAYS_INLINE void
+__throw_invalid_argument(const char* msg)
+{
+    mozalloc_abort(msg);
+}
+
+MOZ_THROW_NORETURN MOZ_EXPORT MOZ_ALWAYS_INLINE void
+__throw_length_error(const char* msg)
+{
+    mozalloc_abort(msg);
+}
+
+MOZ_THROW_NORETURN MOZ_EXPORT MOZ_ALWAYS_INLINE void
+__throw_out_of_range(const char* msg)
+{
+    mozalloc_abort(msg);
+}
+
+MOZ_THROW_NORETURN MOZ_EXPORT MOZ_ALWAYS_INLINE void
+__throw_runtime_error(const char* msg)
+{
+    mozalloc_abort(msg);
+}
+
+MOZ_THROW_NORETURN MOZ_EXPORT MOZ_ALWAYS_INLINE void
+__throw_range_error(const char* msg)
+{
+    mozalloc_abort(msg);
+}
+
+MOZ_THROW_NORETURN MOZ_EXPORT MOZ_ALWAYS_INLINE void
+__throw_overflow_error(const char* msg)
+{
+    mozalloc_abort(msg);
+}
+
+MOZ_THROW_NORETURN MOZ_EXPORT MOZ_ALWAYS_INLINE void
+__throw_underflow_error(const char* msg)
+{
+    mozalloc_abort(msg);
+}
+
+MOZ_THROW_NORETURN MOZ_EXPORT MOZ_ALWAYS_INLINE void
+__throw_ios_failure(const char* msg)
+{
+    mozalloc_abort(msg);
+}
+
+MOZ_THROW_NORETURN MOZ_EXPORT MOZ_ALWAYS_INLINE void
+__throw_system_error(int err)
+{
+    char error[128];
+    snprintf(error, sizeof(error)-1,
+             "fatal: STL threw system_error: %s (%d)", strerror(err), err);
+    mozalloc_abort(error);
+}
+
+} // namespace std
+
+#undef MOZ_THROW_NORETURN
+
+#endif  // mozilla_throw_gcc_h