Module Name:    src
Committed By:   riastradh
Date:           Sun Jun 26 22:29:28 UTC 2022

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

Log Message:
Revert "amd64: Print effective syscall number for SYS_syscall stack traces."

Built the wrong kernel (arm64 is not amd64), oops.  Will redo.


To generate a diff of this commit:
cvs rdiff -u -r1.10 -r1.11 src/sys/arch/amd64/amd64/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:1.10 src/sys/arch/amd64/amd64/db_machdep.c:1.11
--- src/sys/arch/amd64/amd64/db_machdep.c:1.10	Sun Jun 26 22:18:30 2022
+++ src/sys/arch/amd64/amd64/db_machdep.c	Sun Jun 26 22:29:28 2022
@@ -1,4 +1,4 @@
-/*	$NetBSD: db_machdep.c,v 1.10 2022/06/26 22:18:30 riastradh Exp $	*/
+/*	$NetBSD: db_machdep.c,v 1.11 2022/06/26 22:29:28 riastradh 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 1.10 2022/06/26 22:18:30 riastradh Exp $");
+__KERNEL_RCSID(0, "$NetBSD: db_machdep.c,v 1.11 2022/06/26 22:29:28 riastradh Exp $");
 
 #include <sys/param.h>
 #include <sys/systm.h>
@@ -111,7 +111,6 @@ db_nextframe(long **nextframe, long **re
 	struct x86_64_frame *fp;
 	struct intrframe *ifp;
 	int traptype, trapno, err, i;
-	db_expr_t syscallno;
 
 	switch (is_trap) {
 	    case NONE:
@@ -128,16 +127,8 @@ db_nextframe(long **nextframe, long **re
 
 	    case SYSCALL:
 		tf = (struct trapframe *)argp;
-		syscallno = db_get_value((long)&tf->tf_rax, 8, false);
-		if (syscallno == SYS_syscall) {
-			syscallno = db_get_value((long)&tf->tf_rdi, 8, false);
-			(*pr)("--- syscall (number %"DDB_EXPR_FMT"u"
-			    " via SYS_syscall) ---\n",
-			    syscallno);
-		} else {
-			(*pr)("--- syscall (number %"DDB_EXPR_FMT"u) ---\n",
-			    syscallno);
-		}
+		(*pr)("--- syscall (number %"DDB_EXPR_FMT"u) ---\n",
+		    db_get_value((long)&tf->tf_rax, 8, false));
 		return 0;
 
 	    case TRAP:

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