signal.h: add MTE specific SIGSEGV codes from linux v5.10

add synchronouse and asynchronous tag check failure codes, see

  linux commit 74f1082487feb90bbf880af14beb8e29c3030c9f
  arm64: mte: Add specific SIGSEGV codes

diff --git a/include/signal.h b/include/signal.h
index 9ed929e..f270a59 100644 (file)
--- a/include/signal.h
+++ b/include/signal.h
@@ -75,6 +75,8 @@ typedef struct sigaltstack stack_t;
 #define SEGV_ACCERR 2
 #define SEGV_BNDERR 3
 #define SEGV_PKUERR 4
+#define SEGV_MTEAERR 8
+#define SEGV_MTESERR 9
 
 #define BUS_ADRALN 1
 #define BUS_ADRERR 2