[src/trunk]: src/sys/arch {amd64,i386}/db_machdep.c: Use DB_SYM_NULL

[uwe <uwe%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/edd63f35cfd8
branches:  trunk
changeset: 372761:edd63f35cfd8
user:      uwe <uwe%NetBSD.org@localhost>
date:      Sat Dec 24 14:32:42 2022 +0000

description:
{amd64,i386}/db_machdep.c: Use DB_SYM_NULL

diffstat:

 sys/arch/amd64/amd64/db_machdep.c |  12 ++++++------
 sys/arch/i386/i386/db_machdep.c   |  12 ++++++------
 2 files changed, 12 insertions(+), 12 deletions(-)

diffs (88 lines):

diff -r bb60d51f201e -r edd63f35cfd8 sys/arch/amd64/amd64/db_machdep.c
--- a/sys/arch/amd64/amd64/db_machdep.c Sat Dec 24 14:14:52 2022 +0000
+++ b/sys/arch/amd64/amd64/db_machdep.c Sat Dec 24 14:32:42 2022 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: db_machdep.c,v 1.13 2022/06/27 23:36:48 riastradh Exp $        */
+/*     $NetBSD: db_machdep.c,v 1.14 2022/12/24 14:32:42 uwe Exp $      */
 
 /*
  * Mach Operating System
@@ -26,7 +26,7 @@
  * rights to redistribute these changes.
  */
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: db_machdep.c,v 1.13 2022/06/27 23:36:48 riastradh Exp $");
+__KERNEL_RCSID(0, "$NetBSD: db_machdep.c,v 1.14 2022/12/24 14:32:42 uwe Exp $");
 
 #include <sys/param.h>
 #include <sys/systm.h>
@@ -176,7 +176,7 @@
         * err 0 or IREENT_MAGIC and trapno T_ASTFLT.
         */
        if (db_frame_info(*nextframe, (db_addr_t)*ip, NULL, NULL, &traptype,
-           NULL) != (db_sym_t)0
+           NULL) != DB_SYM_NULL
            && traptype == INTERRUPT) {
                for (i = 0; i < 4; i++) {
                        ifp = (struct intrframe *)(argp + i);
@@ -210,13 +210,13 @@
        const char *name;
 
        sym = db_search_symbol(callpc, DB_STGY_ANY, &offset);
-       if (sym != 0 && offset == 0) {
+       if (sym != DB_SYM_NULL && offset == 0) {
                sym = db_search_symbol(callpc - 1, DB_STGY_ANY, &offset);
                offset++;
        }
        db_symbol_values(sym, &name, NULL);
-       if (sym == (db_sym_t)0)
-               return (db_sym_t)0;
+       if (sym == DB_SYM_NULL)
+               return DB_SYM_NULL;
 
        *is_trap = NONE;
        narg = 0;
diff -r bb60d51f201e -r edd63f35cfd8 sys/arch/i386/i386/db_machdep.c
--- a/sys/arch/i386/i386/db_machdep.c   Sat Dec 24 14:14:52 2022 +0000
+++ b/sys/arch/i386/i386/db_machdep.c   Sat Dec 24 14:32:42 2022 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: db_machdep.c,v 1.8 2021/12/13 01:25:29 chs Exp $       */
+/*     $NetBSD: db_machdep.c,v 1.9 2022/12/24 14:32:42 uwe Exp $       */
 
 /*
  * Mach Operating System
@@ -27,7 +27,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: db_machdep.c,v 1.8 2021/12/13 01:25:29 chs Exp $");
+__KERNEL_RCSID(0, "$NetBSD: db_machdep.c,v 1.9 2022/12/24 14:32:42 uwe Exp $");
 
 #include <sys/param.h>
 #include <sys/systm.h>
@@ -208,7 +208,7 @@
         * err 0 or IREENT_MAGIC and trapno T_ASTFLT.
         */
        if (db_frame_info(*nextframe, (db_addr_t)*ip, NULL, NULL, &traptype,
-           NULL) != (db_sym_t)0
+           NULL) != DB_SYM_NULL
            && traptype == INTERRUPT) {
                struct intrframe *ifp;
                int trapno;
@@ -255,13 +255,13 @@
        const char *name;
 
        sym = db_search_symbol(callpc, DB_STGY_ANY, &offset);
-       if (sym != 0 && offset == 0) {
+       if (sym != DB_SYM_NULL && offset == 0) {
                sym = db_search_symbol(callpc - 1, DB_STGY_ANY, &offset);
                offset++;
        }
        db_symbol_values(sym, &name, NULL);
-       if (sym == (db_sym_t)0)
-               return (db_sym_t)0;
+       if (sym == DB_SYM_NULL)
+               return DB_SYM_NULL;
 
        *is_trap = NONE;
        narg = MAXNARG;