[src/trunk]: src/sys/arch/amd64/amd64 Revert "amd64: Print effective syscall ...

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

details:   https://anonhg.NetBSD.org/src/rev/689831447f26
branches:  trunk
changeset: 368176:689831447f26
user:      riastradh <riastradh%NetBSD.org@localhost>
date:      Sun Jun 26 22:29:28 2022 +0000

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

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

diffstat:

 sys/arch/amd64/amd64/db_machdep.c |  17 ++++-------------
 1 files changed, 4 insertions(+), 13 deletions(-)

diffs (45 lines):

diff -r 8b00eedf8add -r 689831447f26 sys/arch/amd64/amd64/db_machdep.c
--- a/sys/arch/amd64/amd64/db_machdep.c Sun Jun 26 22:18:30 2022 +0000
+++ b/sys/arch/amd64/amd64/db_machdep.c Sun Jun 26 22:29:28 2022 +0000
@@ -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 @@
        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 @@
 
            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: