From 2d15c1216ddad8ee603106fd86ad36baf2d40ff8 Mon Sep 17 00:00:00 2001
From: Damien George <damien.p.george@gmail.com>
Date: Wed, 29 Jan 2014 20:33:20 +0000
Subject: stm: Add optional memory debugging output.

---
 py/malloc.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'py/malloc.c')

diff --git a/py/malloc.c b/py/malloc.c
index 4f01dc63f5..a2c55eb06b 100644
--- a/py/malloc.c
+++ b/py/malloc.c
@@ -4,6 +4,12 @@
 #include "misc.h"
 #include "mpconfig.h"
 
+#if 0 // print debugging info
+#define DEBUG_printf(args...) printf(args)
+#else // don't print debugging info
+#define DEBUG_printf(args...) (void)0
+#endif
+
 #if MICROPY_MEM_STATS
 static int total_bytes_allocated = 0;
 static int current_bytes_allocated = 0;
@@ -26,6 +32,7 @@ void *m_malloc(int num_bytes) {
     current_bytes_allocated += num_bytes;
     UPDATE_PEAK();
 #endif
+    DEBUG_printf("malloc %d : %p\n", num_bytes, ptr);
     return ptr;
 }
 
@@ -43,6 +50,7 @@ void *m_malloc0(int num_bytes) {
     current_bytes_allocated += num_bytes;
     UPDATE_PEAK();
 #endif
+    DEBUG_printf("malloc0 %d : %p\n", num_bytes, ptr);
     return ptr;
 }
 
@@ -67,6 +75,7 @@ void *m_realloc(void *ptr, int old_num_bytes, int new_num_bytes) {
     current_bytes_allocated += diff;
     UPDATE_PEAK();
 #endif
+    DEBUG_printf("realloc %d, %d : %p\n", old_num_bytes, new_num_bytes, ptr);
     return ptr;
 }
 
@@ -77,6 +86,7 @@ void m_free(void *ptr, int num_bytes) {
 #if MICROPY_MEM_STATS
     current_bytes_allocated -= num_bytes;
 #endif
+    DEBUG_printf("free %p, %d\n", ptr, num_bytes);
 }
 
 int m_get_total_bytes_allocated(void) {
-- 
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