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[PULL,30/47] tcg: Introduce tcg_tbrel_diff

Message ID 20210107201448.1152301-31-richard.henderson@linaro.org
State Accepted
Commit 44c7197f1506f509999a4c370e3ec1f3d1799cfa
Headers show
Series tcg patch queue | expand

Commit Message

Richard Henderson Jan. 7, 2021, 8:14 p.m. UTC 
Reviewed-by: Joelle van Dyne <j@getutm.app>

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

---
 include/tcg/tcg.h | 13 +++++++++++++
 1 file changed, 13 insertions(+)

-- 
2.25.1
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Patch

diff --git a/include/tcg/tcg.h b/include/tcg/tcg.h
index e744a1ce02..e6fce9a049 100644
--- a/include/tcg/tcg.h
+++ b/include/tcg/tcg.h
@@ -1146,6 +1146,19 @@  static inline ptrdiff_t tcg_pcrel_diff(TCGContext *s, const void *target)
     return tcg_ptr_byte_diff(target, tcg_splitwx_to_rx(s->code_ptr));
 }
 
+/**
+ * tcg_tbrel_diff
+ * @s: the tcg context
+ * @target: address of the target
+ *
+ * Produce a difference, from the beginning of the current TB code
+ * to the destination address.
+ */
+static inline ptrdiff_t tcg_tbrel_diff(TCGContext *s, const void *target)
+{
+    return tcg_ptr_byte_diff(target, tcg_splitwx_to_rx(s->code_buf));
+}
+
 /**
  * tcg_current_code_size
  * @s: the tcg context