diff -r 000000000000 -r 6474c204b198 tools/jprof/stub/libmalloc.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tools/jprof/stub/libmalloc.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,74 @@
+/* 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 libmalloc_h___
+#define libmalloc_h___
+
+#include <sys/types.h>
+#include <malloc.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "config.h"
+
+typedef unsigned long u_long;
+
+// For me->flags
+#define JP_FIRST_AFTER_PAUSE 1
+
+// Format of a jprof log entry. This is what's written out to the
+// "jprof-log" file.
+// It's called malloc_log_entry because the history of jprof is that
+// it's a modified version of tracemalloc.
+struct malloc_log_entry {
+  u_long delTime;
+  u_long numpcs;
+  unsigned int flags;
+  int thread;
+  char* pcs[MAX_STACK_CRAWL];
+};
+
+// type's
+#define malloc_log_stack   7
+
+// Format of a malloc map entry; after this struct is nameLen+1 bytes of
+// name data.
+struct malloc_map_entry {
+  u_long nameLen;
+  u_long address;		// base address
+};
+
+// A method that can be called if you want to programmatically control
+// the malloc logging. Note that you must link with the library to do
+// this (or use dlsym after dynamically loading the library...)
+extern u_long SetMallocFlags(u_long flags);
+
+// The environment variable LIBMALLOC_LOG should be set to an integer
+// value whose meaning is as follows:
+
+// Enable logging
+#define LIBMALLOC_LOG    0x1
+
+// Don't free memory when set
+#define LIBMALLOC_NOFREE 0x2
+
+// Check heap for corruption after every malloc/free/realloc
+#define LIBMALLOC_CHECK  0x4
+
+// Log reference count calls (addref/release)
+#define LIBMALLOC_LOG_RC 0x8
+
+// Log a stack trace
+#define LIBMALLOC_LOG_TRACE 0x10
+
+void __log_addref(void* p, int oldrc, int newrc);
+void __log_release(void* p, int oldrc, int newrc);
+
+#ifdef __cplusplus
+} /* end of extern "C" */
+#endif
+
+#endif /* libmalloc_h___ */