Signed-off-by: Stefano Stabellini <stefano.stabellini@amd.com>
---
Changes in v3:
- add explanation in footnote
- remove comment from 21.14, 21.15, 21.16
docs/misra/rules.rst | 42 ++++++++++++++++++++++++++++++++++++++++++
1 file changed, 42 insertions(+)
diff --git a/docs/misra/rules.rst b/docs/misra/rules.rst
index b7b447e152..5ba7394f05 100644
--- a/docs/misra/rules.rst
+++ b/docs/misra/rules.rst
@@ -652,12 +652,48 @@ maintainers if you want to suggest a change.
declared
- See comment for Rule 21.1
+ * - `Rule 21.6 <https://gitlab.com/MISRA/MISRA-C/MISRA-C-2012/Example-Suite/-/blob/master/R_21_06.c>`_
+ - Required
+ - The Standard Library input/output routines shall not be used
+ - Xen doesn't provide, use, or link against a Standard Library [1]_
+
+ * - `Rule 21.9 <https://gitlab.com/MISRA/MISRA-C/MISRA-C-2012/Example-Suite/-/blob/master/R_21_09.c>`_
+ - Required
+ - The library functions bsearch and qsort of <stdlib.h> shall not be used
+ - Xen doesn't provide, use, or link against a Standard Library [1]_
+
+ * - `Rule 21.10 <https://gitlab.com/MISRA/MISRA-C/MISRA-C-2012/Example-Suite/-/blob/master/R_21_10.c>`_
+ - Required
+ - The Standard Library time and date routines shall not be used
+ - Xen doesn't provide, use, or link against a Standard Library [1]_
+
* - `Rule 21.13 <https://gitlab.com/MISRA/MISRA-C/MISRA-C-2012/Example-Suite/-/blob/master/R_21_13.c>`_
- Mandatory
- Any value passed to a function in <ctype.h> shall be representable as an
unsigned char or be the value EOF
-
+ * - `Rule 21.14 <https://gitlab.com/MISRA/MISRA-C/MISRA-C-2012/Example-Suite/-/blob/master/R_21_14.c>`_
+ - Required
+ - The Standard Library function memcmp shall not be used to compare
+ null terminated strings
+ -
+
+ * - `Rule 21.15 <https://gitlab.com/MISRA/MISRA-C/MISRA-C-2012/Example-Suite/-/blob/master/R_21_15.c>`_
+ - Required
+ - The pointer arguments to the Standard Library functions memcpy,
+ memmove and memcmp shall be pointers to qualified or unqualified
+ versions of compatible types
+ -
+
+ * - `Rule 21.16 <https://gitlab.com/MISRA/MISRA-C/MISRA-C-2012/Example-Suite/-/blob/master/R_21_16.c>`_
+ - Required
+ - The pointer arguments to the Standard Library function memcmp
+ shall point to either a pointer type, an essentially signed type,
+ an essentially unsigned type, an essentially Boolean type or an
+ essentially enum type
+ - void* arguments are allowed
+
* - `Rule 21.17 <https://gitlab.com/MISRA/MISRA-C/MISRA-C-2012/Example-Suite/-/blob/master/R_21_17.c>`_
- Mandatory
- Use of the string handling functions from <string.h> shall not result in
@@ -712,3 +748,9 @@ maintainers if you want to suggest a change.
- The value of a pointer to a FILE shall not be used after the associated
stream has been closed
-
+
+
+.. [1] Xen implements itself a few functions with names that match the
+ corresponding function names of the Standard Library for developers'
+ convenience. These functions are part of the Xen code and subject to
+ analysis.
--
2.25.1