1 files changed, 45 insertions, 0 deletions
diff --git a/tools/jprof/stub/libmalloc.h b/tools/jprof/stub/libmalloc.h
new file mode 100644
index 0000000000..a78b35ade8
--- /dev/null
+++ b/tools/jprof/stub/libmalloc.h
@@ -0,0 +1,45 @@
+/* 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];
+};
+
+// 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
+};
+
+#ifdef __cplusplus
+} /* end of extern "C" */
+#endif
+
+#endif /* libmalloc_h___ */