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-rw-r--r--dyngen-exec.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/dyngen-exec.h b/dyngen-exec.h
index 907771e4a9..d10e788406 100644
--- a/dyngen-exec.h
+++ b/dyngen-exec.h
@@ -20,6 +20,9 @@
#if !defined(__DYNGEN_EXEC_H__)
#define __DYNGEN_EXEC_H__
+/* NOTE: standard headers should be used with special care at this
+ point because host CPU registers are used as global variables. Some
+ host headers do not allow that. */
#include <stddef.h>
typedef unsigned char uint8_t;