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-rw-r--r--tcg/tcg.h22
1 files changed, 22 insertions, 0 deletions
diff --git a/tcg/tcg.h b/tcg/tcg.h
index 8abf318343..909db3fc02 100644
--- a/tcg/tcg.h
+++ b/tcg/tcg.h
@@ -27,9 +27,31 @@
#include "qemu-common.h"
#include "cpu.h"
+#include "exec/tb-context.h"
#include "qemu/bitops.h"
#include "tcg-target.h"
+/* XXX: make safe guess about sizes */
+#define MAX_OP_PER_INSTR 266
+
+#if HOST_LONG_BITS == 32
+#define MAX_OPC_PARAM_PER_ARG 2
+#else
+#define MAX_OPC_PARAM_PER_ARG 1
+#endif
+#define MAX_OPC_PARAM_IARGS 5
+#define MAX_OPC_PARAM_OARGS 1
+#define MAX_OPC_PARAM_ARGS (MAX_OPC_PARAM_IARGS + MAX_OPC_PARAM_OARGS)
+
+/* A Call op needs up to 4 + 2N parameters on 32-bit archs,
+ * and up to 4 + N parameters on 64-bit archs
+ * (N = number of input arguments + output arguments). */
+#define MAX_OPC_PARAM (4 + (MAX_OPC_PARAM_PER_ARG * MAX_OPC_PARAM_ARGS))
+#define OPC_BUF_SIZE 640
+#define OPC_MAX_SIZE (OPC_BUF_SIZE - MAX_OP_PER_INSTR)
+
+#define OPPARAM_BUF_SIZE (OPC_BUF_SIZE * MAX_OPC_PARAM)
+
#define CPU_TEMP_BUF_NLONGS 128
/* Default target word size to pointer size. */