util: add more memory debugging features

Add a DEBUG_FREED_MEMORY option to help catch use-after-free errors.
Add debug_memory_check() function which can be periodically called to
check that all known blocks are good.

Reviewed-by: José Fonseca <[email protected]>

1 files changed, 3 insertions, 0 deletions

diff --git a/src/gallium/auxiliary/os/os_memory_debug.h b/src/gallium/auxiliary/os/os_memory_debug.h
index c664be9aad5..36b8fc63a6e 100644
--- a/src/gallium/auxiliary/os/os_memory_debug.h
+++ b/src/gallium/auxiliary/os/os_memory_debug.h
@@ -60,6 +60,9 @@ void *
 debug_realloc(const char *file, unsigned line, const char *function,
               void *old_ptr, size_t old_size, size_t new_size );
 
+void 
+debug_memory_check(void);
+
 
 #ifdef __cplusplus
 }