Module Name:    src
Committed By:   uwe
Date:           Sat Dec 24 14:32:42 UTC 2022

Modified Files:
        src/sys/arch/amd64/amd64: db_machdep.c
        src/sys/arch/i386/i386: db_machdep.c

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


To generate a diff of this commit:
cvs rdiff -u -r1.13 -r1.14 src/sys/arch/amd64/amd64/db_machdep.c
cvs rdiff -u -r1.8 -r1.9 src/sys/arch/i386/i386/db_machdep.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

Modified files:

Index: src/sys/arch/amd64/amd64/db_machdep.c
diff -u src/sys/arch/amd64/amd64/db_machdep.c:1.13 src/sys/arch/amd64/amd64/db_machdep.c:1.14
--- src/sys/arch/amd64/amd64/db_machdep.c:1.13	Mon Jun 27 23:36:48 2022
+++ src/sys/arch/amd64/amd64/db_machdep.c	Sat Dec 24 14:32:42 2022
@@ -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 @@ db_nextframe(long **nextframe, long **re
 	 * 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 @@ db_frame_info(long *frame, db_addr_t cal
 	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;

Index: src/sys/arch/i386/i386/db_machdep.c
diff -u src/sys/arch/i386/i386/db_machdep.c:1.8 src/sys/arch/i386/i386/db_machdep.c:1.9
--- src/sys/arch/i386/i386/db_machdep.c:1.8	Mon Dec 13 01:25:29 2021
+++ src/sys/arch/i386/i386/db_machdep.c	Sat Dec 24 14:32:42 2022
@@ -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 @@ db_nextframe(long **nextframe, long **re
 	 * 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 @@ db_frame_info(long *frame, db_addr_t cal
 	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;

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