1 files changed, 79 insertions, 0 deletions
diff --git a/memory/build/mozmemory.h b/memory/build/mozmemory.h
new file mode 100644
index 0000000000..e6ed1a352e
--- /dev/null
+++ b/memory/build/mozmemory.h
@@ -0,0 +1,79 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* 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 mozmemory_h
+#define mozmemory_h
+
+// This header is meant to be used when the following functions are
+// necessary:
+//   - malloc_good_size (used to be called je_malloc_usable_in_advance)
+//   - jemalloc_stats
+//   - jemalloc_stats_num_bins
+//   - jemalloc_purge_freed_pages
+//   - jemalloc_free_dirty_pages
+//   - jemalloc_thread_local_arena
+//   - jemalloc_ptr_info
+
+#ifdef MALLOC_H
+#  include MALLOC_H
+#endif
+#include "mozmemory_wrap.h"
+#include "mozilla/Attributes.h"
+#include "mozilla/Types.h"
+#include "mozjemalloc_types.h"
+#include "stdbool.h"
+
+#ifdef MOZ_MEMORY
+// On OSX, malloc/malloc.h contains the declaration for malloc_good_size,
+// which will call back in jemalloc, through the zone allocator so just use it.
+#  ifndef XP_DARWIN
+MOZ_MEMORY_API size_t malloc_good_size_impl(size_t size);
+
+// Note: the MOZ_GLUE_IN_PROGRAM ifdef below is there to avoid -Werror turning
+// the protective if into errors. MOZ_GLUE_IN_PROGRAM is what triggers MFBT_API
+// to use weak imports.
+static inline size_t _malloc_good_size(size_t size) {
+#    if defined(MOZ_GLUE_IN_PROGRAM) && !defined(IMPL_MFBT)
+  if (!malloc_good_size) return size;
+#    endif
+  return malloc_good_size_impl(size);
+}
+
+#    define malloc_good_size _malloc_good_size
+#  endif
+
+#  define MALLOC_DECL(name, return_type, ...) \
+    MOZ_JEMALLOC_API return_type name(__VA_ARGS__);
+#  define MALLOC_FUNCS MALLOC_FUNCS_JEMALLOC
+#  include "malloc_decls.h"
+
+#  ifdef __cplusplus
+static inline void jemalloc_stats(jemalloc_stats_t* aStats,
+                                  jemalloc_bin_stats_t* aBinStats = nullptr) {
+  jemalloc_stats_internal(aStats, aBinStats);
+}
+#  else
+static inline void jemalloc_stats(jemalloc_stats_t* aStats) {
+  jemalloc_stats_internal(aStats, NULL);
+}
+#  endif
+
+#endif  // MOZ_MEMORY
+
+#define NOTHROW_MALLOC_DECL(name, return_type, ...) \
+  MOZ_JEMALLOC_API return_type name(__VA_ARGS__) noexcept(true);
+#define MALLOC_DECL(name, return_type, ...) \
+  MOZ_JEMALLOC_API return_type name(__VA_ARGS__);
+#define MALLOC_FUNCS MALLOC_FUNCS_ARENA
+#include "malloc_decls.h"
+
+#ifdef __cplusplus
+#  define moz_create_arena() moz_create_arena_with_params(nullptr)
+#else
+#  define moz_create_arena() moz_create_arena_with_params(NULL)
+#endif
+
+#endif  // mozmemory_h