ac/debug: invoke valgrind checks while parsing IBs
Help catch garbage data written into IBs.
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
diff --git a/src/amd/common/ac_debug.c b/src/amd/common/ac_debug.c
index e92dfbd..2af83a1 100644
--- a/src/amd/common/ac_debug.c
+++ b/src/amd/common/ac_debug.c
@@ -26,6 +26,14 @@
#include "ac_debug.h"
+#ifdef HAVE_VALGRIND
+#include <valgrind.h>
+#include <memcheck.h>
+#define VG(x) x
+#else
+#define VG(x)
+#endif
+
#include "sid.h"
#include "gfx9d.h"
#include "sid_tables.h"
@@ -149,6 +157,18 @@
if (ib->cur_dw < ib->num_dw) {
v = ib->ib[ib->cur_dw];
+#ifdef HAVE_VALGRIND
+ /* Help figure out where garbage data is written to IBs.
+ *
+ * Arguably we should do this already when the IBs are written,
+ * see RADEON_VALGRIND. The problem is that client-requests to
+ * Valgrind have an overhead even when Valgrind isn't running,
+ * and radeon_emit is performance sensitive...
+ */
+ if (VALGRIND_CHECK_VALUE_IS_DEFINED(v))
+ fprintf(ib->f, COLOR_RED "Valgrind: The next DWORD is garbage"
+ COLOR_RESET "\n");
+#endif
fprintf(ib->f, "\n\035#%08x ", v);
} else {
fprintf(ib->f, "\n\035#???????? ");