util: add debug_memory_check_block(), debug_memory_tag()

The former just checks that the given block is valid by checking
the header and footer.

The later sets the memory block's tag.  With extra debug code, we
can use that for monitoring/checking particular allocations.

Reviewed-by: José Fonseca <jfonseca@vmware.com>

1 files changed, 6 insertions, 0 deletions

diff --git a/src/gallium/auxiliary/os/os_memory_debug.h b/src/gallium/auxiliary/os/os_memory_debug.h
index 36b8fc6..9a487de 100644
--- a/src/gallium/auxiliary/os/os_memory_debug.h
+++ b/src/gallium/auxiliary/os/os_memory_debug.h
@@ -60,6 +60,12 @@ 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_tag(void *ptr, unsigned tag);
+
+void
+debug_memory_check_block(void *ptr);
+
 void 
 debug_memory_check(void);