[XEN PATCH v5 13/17] xen: add deviations for MISRA C 2012 Dir D4.10

[Alessandro Zucchelli <alessandro.zucchelli@xxxxxxxxxxx>]

From: Nicola Vetrini <nicola.vetrini@xxxxxxxxxxx>

Add safe deviation for *.c files, as estabilished in past discussion.

Signed-off-by: Maria Celeste Cesario  <maria.celeste.cesario@xxxxxxxxxxx>
Signed-off-by: Simone Ballarin  <simone.ballarin@xxxxxxxxxxx>
Signed-off-by: Nicola Vetrini <nicola.vetrini@xxxxxxxxxxx>
Signed-off-by: Alessandro Zucchelli <alessandro.zucchelli@xxxxxxxxxxx>
Reviewed-by: Stefano Stabellini <sstabellini@xxxxxxxxxx>

---
Changes in v4:
- split the commit from the unrelated SAF deviation
Commit introduced in v3

Link to the discussion thread:
https://lists.xenproject.org/archives/html/xen-devel/2023-09/msg00239.html
---
 automation/eclair_analysis/ECLAIR/deviations.ecl | 5 +++++
 docs/misra/deviations.rst                        | 6 ++++++
 2 files changed, 11 insertions(+)

diff --git a/automation/eclair_analysis/ECLAIR/deviations.ecl 
b/automation/eclair_analysis/ECLAIR/deviations.ecl
index 1c39a9a16d..c6b1a10bcf 100644
--- a/automation/eclair_analysis/ECLAIR/deviations.ecl
+++ b/automation/eclair_analysis/ECLAIR/deviations.ecl
@@ -78,6 +78,11 @@ conform to the directive."
 -config=MC3R1.D4.10,reports+={safe, "first_area(text(^/\\* Generated file, do 
not edit! \\*/$, begin-3))"}
 -doc_end
 
+-doc_begin="Including multiple times a .c file is safe because every function 
or data item
+it defines would (in the common case) be already defined. Peer reviewed by the 
community."
+-config=MC3R1.D4.10,reports+={safe, "all_area(all_loc(^.*\\.c$))"}
+-doc_end
+
 #
 # Series 5.
 #
diff --git a/docs/misra/deviations.rst b/docs/misra/deviations.rst
index 1ecce1469a..d51aa422b5 100644
--- a/docs/misra/deviations.rst
+++ b/docs/misra/deviations.rst
@@ -30,6 +30,12 @@ Deviations related to MISRA C:2012 Directives:
        not to add an additional encapsulation layer.
      - Tagged as `deliberate` for ECLAIR.
 
+   * - D4.10
+     - Including multiple times a .c file is safe because every function or 
data item
+       it defines would in (the common case) be already defined.
+       Peer reviewed by the community.
+     - Tagged as `safe` for ECLAIR.
+
 Deviations related to MISRA C:2012 Rules:
 -----------------------------------------
 
-- 
2.34.1