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From: Richard Henderson <richard.henderson@linaro.org>
To: qemu-devel@nongnu.org
Cc: Anton Johansson <anjo@rev.ng>
Subject: [PULL 13/47] accel/tcg: Validate placement of CPUNegativeOffsetState
Date: Tue, 3 Oct 2023 10:30:18 -0700
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Verify that the distance between CPUNegativeOffsetState and
CPUArchState is no greater than any alignment requirements.
Reviewed-by: Anton Johansson <anjo@rev.ng>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
include/exec/cpu-all.h | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/include/exec/cpu-all.h b/include/exec/cpu-all.h
index 230525ebf7..ed7747a5f1 100644
--- a/include/exec/cpu-all.h
+++ b/include/exec/cpu-all.h
@@ -457,6 +457,12 @@ static inline CPUState *env_cpu(CPUArchState *env)
return &env_archcpu(env)->parent_obj;
}
=20
+/*
+ * Validate placement of CPUNegativeOffsetState.
+ */
+QEMU_BUILD_BUG_ON(offsetof(ArchCPU, env) - offsetof(ArchCPU, neg) >=3D
+ sizeof(CPUNegativeOffsetState) + __alignof(CPUArchState)=
);
+
/**
* env_neg(env)
* @env: The architecture environment
--=20
2.34.1