[Kernel] add wkey for assembly warnings

src/kernel_internals/typing/asm_contracts.ml

@@ -143,7 +143,7 @@ class visit_assembly =
           let source = fst (Cil_datatype.Instr.loc i) in
           let once = true in
           Kernel.warning
-            ~once ~source
+            ~once ~source ~wkey:Kernel.wkey_asm
             "Clobber list contains \"memory\" argument. Assuming no \
              side effects beyond those mentioned in operands."
         end;

src/kernel_services/plugin_entry_points/kernel.ml

@@ -201,6 +201,8 @@ let () = set_warn_status wkey_audit Log.Werror
 
 let wkey_parser_unsupported = register_warn_category "parser:unsupported"
 
+let wkey_asm = register_warn_category "assembly"
+
 (* ************************************************************************* *)
 (** {2 Specialised functors for building kernel parameters} *)
 (* ************************************************************************* *)

src/kernel_services/plugin_entry_points/kernel.mli

@@ -194,6 +194,9 @@ val wkey_audit: warn_category
 val wkey_parser_unsupported: warn_category
 (** Warning related to unsupported parsing-related features. *)
 
+val wkey_asm: warn_category
+(** Warnings related to assembly code. *)
+
 (* ************************************************************************* *)
 (** {2 Functors for late option registration}                                *)
 (** Kernel_function-related options cannot be registered in this module:

tests/misc/oracle/audit-out.json

@@ -54,7 +54,7 @@
       "enabled": [
         "*", "CERT", "CERT:EXP", "CERT:EXP:46", "CERT:MSC", "CERT:MSC:37",
         "CERT:MSC:38", "acsl-extension", "annot", "annot:missing-spec",
-        "annot:multi-from", "annot-error", "audit", "check",
+        "annot:multi-from", "annot-error", "assembly", "audit", "check",
         "check:volatile", "cmdline", "ghost", "ghost:bad-use", "inline",
         "linker", "linker:drop-conflicting-unused", "parser",
         "parser:conditional-feature", "parser:unsupported", "pp",

tests/syntax/oracle/gnu-asm-aesni.res.oracle

 [kernel] Parsing tests/syntax/gnu-asm-aesni.c (with preprocessing)
-[kernel] tests/syntax/gnu-asm-aesni.c:93: Warning: 
+[kernel:assembly] tests/syntax/gnu-asm-aesni.c:93: Warning: 
   Clobber list contains "memory" argument. Assuming no side effects beyond those mentioned in operands.
 /* Generated by Frama-C */
 #include "__fc_builtin.h"