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[XEN PATCH v2] automation/eclair: add deviations for MISRA C:2012 Rule 5.6



Update ECLAIR configuration to take into account the adopted files
and type "ret_t".
Update docs/misra/deviations.rst accordingly.

Signed-off-by: Federico Serafini <federico.serafini@xxxxxxxxxxx>
---
Changes in v2:
  - generalized excluded files.
---
 automation/eclair_analysis/ECLAIR/deviations.ecl | 11 +++++++++++
 docs/misra/deviations.rst                        | 15 +++++++++++++++
 2 files changed, 26 insertions(+)

diff --git a/automation/eclair_analysis/ECLAIR/deviations.ecl 
b/automation/eclair_analysis/ECLAIR/deviations.ecl
index c9e3a90801..4ef8762d95 100644
--- a/automation/eclair_analysis/ECLAIR/deviations.ecl
+++ b/automation/eclair_analysis/ECLAIR/deviations.ecl
@@ -81,6 +81,17 @@ conform to the directive."
 -config=MC3R1.R5.3,reports+={safe, 
"any_area(any_loc(any_exp(macro(^read_debugreg$))&&any_exp(macro(^write_debugreg$))))"}
 -doc_end
 
+-doc_begin="The type \"ret_t\" is deliberately defined multiple times,
+depending on the guest."
+-config=MC3R1.R5.6,reports+={deliberate,"any_area(any_loc(text(^.*ret_t.*$)))"}
+-doc_end
+
+-doc_begin="The following files are imported from the gnu-efi package."
+-file_tag+={adopted_r5_6,"^xen/include/efi/.*$"}
+-file_tag+={adopted_r5_6,"^xen/arch/.*/include/asm/.*/efibind\\.h$"}
+-config=MC3R1.R5.6,reports+={deliberate,"any_area(any_loc(file(adopted_r5_6)))"}
+-doc_end
+
 #
 # Series 7.
 #
diff --git a/docs/misra/deviations.rst b/docs/misra/deviations.rst
index 160513b997..96ed29db86 100644
--- a/docs/misra/deviations.rst
+++ b/docs/misra/deviations.rst
@@ -90,6 +90,21 @@ Deviations related to MISRA C:2012 Rules:
          - __emulate_2op and __emulate_2op_nobyte
          - read_debugreg and write_debugreg
 
+   * - R5.6
+     - The type ret_t is deliberately defined multiple times depending on the
+       type of guest to service.
+     - Tagged as `deliberate` for ECLAIR.
+
+   * - R5.6
+     - Some files are not subject to respect MISRA rules at
+       the moment, but, among these out-of-scope files, there are definitions
+       of typedef names that are already defined within in-scope files and
+       therefore, ECLAIR does report a violation since not all the files
+       involved in the violation are excluded from the analysis.
+     - Tagged as `deliberate` for ECLAIR. Such excluded files are:
+         - xen/include/efi/*
+         - xen/arch/*/include/asm/*/efibind.h
+
    * - R7.1
      - It is safe to use certain octal constants the way they are defined
        in specifications, manuals, and algorithm descriptions. Such places
-- 
2.34.1




 


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