[v5] Mirror map JIT memory for TCG

[PATCH v5 26/43] tcg: Introduce tcg_tbrel_diff

Richard Henderson posted 43 patches 5 years, 1 month ago

Diff against v1 v1 v2 v3 v4
Download mbox

Maintainers: Aurelien Jarno <aurelien@aurel32.net>, Aleksandar Rikalo <aleksandar.rikalo@syrmia.com>, Thomas Huth <thuth@redhat.com>, Stefan Weil <sw@weilnetz.de>, Paolo Bonzini <pbonzini@redhat.com>, Laurent Vivier <laurent@vivier.eu>, Alistair Francis <Alistair.Francis@wdc.com>, Huacai Chen <chenhuacai@kernel.org>, Richard Henderson <richard.henderson@linaro.org>, "Philippe Mathieu-Daudé" <f4bug@amsat.org>, Jiaxun Yang <jiaxun.yang@flygoat.com>, Palmer Dabbelt <palmer@dabbelt.com>, Andrzej Zaborowski <balrogg@gmail.com>, Cornelia Huck <cohuck@redhat.com>

Expand all Fold all

[PATCH v5 26/43] tcg: Introduce tcg_tbrel_diff

Posted by Richard Henderson 5 years, 1 month ago

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(+)

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
-- 
2.25.1