Add optional (define BUFFER_ALLOC_DEBUG to enable it) code to check for code overflowing buffer_alloc()-allocated buffers.

Also add a panicf() if buffer_alloc() doesn't have enough space left to allocate a requested buffer


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@28173 a1c6a512-1295-4272-9138-f99709370657

1 files changed, 11 insertions, 0 deletions

diff --git a/firmware/thread.c b/firmware/thread.c
index b3d8ec3970..655af1a940 100644
--- a/firmware/thread.c
+++ b/firmware/thread.c
@@ -27,6 +27,7 @@
 #include "kernel.h"
 #include "cpu.h"
 #include "string.h"
+#include "buffer.h"
 #ifdef RB_PROFILE
 #include <profile.h>
 #endif
@@ -1160,6 +1161,16 @@ void switch_thread(void)
     if (UNLIKELY(thread->stack[0] != DEADBEEF) && thread->stack_size > 0)
         thread_stkov(thread);
 
+#ifdef BUFFER_ALLOC_DEBUG
+    /* Check if the current thread just did bad things with buffer_alloc()ed
+     * memory */
+    {
+        static char name[32];
+        thread_get_name(name, 32, thread);
+        buffer_alloc_check(name);
+    }
+#endif
+
 #if NUM_CORES > 1
     /* Run any blocking operations requested before switching/sleeping */
     run_blocking_ops(core, thread);