Support flushing translation blocks and flush when we don't need count hook

include/unicorn/unicorn.h

@@ -530,7 +530,10 @@ typedef enum uc_control_type {
     UC_CTL_TB_REQUEST_CACHE,
     // Invalidate a tb cache at a specific address
     // Write: @args = (uint64_t, uint64_t)
-    UC_CTL_TB_REMOVE_CACHE
+    UC_CTL_TB_REMOVE_CACHE,
+    // Invalidate all translation blocks.
+    // No arguments.
+    UC_CTL_TB_FLUSH
 
 } uc_control_type;
 
@@ -605,7 +608,7 @@ See sample_ctl.c for a detailed example.
     uc_ctl(uc, UC_CTL_WRITE(UC_CTL_TB_REMOVE_CACHE, 2), (address), (end))
 #define uc_ctl_request_cache(uc, address, tb)                                  \
     uc_ctl(uc, UC_CTL_READ_WRITE(UC_CTL_TB_REQUEST_CACHE, 2), (address), (tb))
-
+#define uc_ctl_flush_tlb(uc) uc_ctl(uc, UC_CTL_WRITE(UC_CTL_TB_FLUSH, 0))
 // Opaque storage for CPU context, used with uc_context_*()
 struct uc_context;
 typedef struct uc_context uc_context;