[src/trunk]: src/sys/kern Rollback unintended changes in the previous commit

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

details:   https://anonhg.NetBSD.org/src/rev/73d1477c8ed6
branches:  trunk
changeset: 956034:73d1477c8ed6
user:      kamil <kamil%NetBSD.org@localhost>
date:      Mon Oct 19 14:52:19 2020 +0000

description:
Rollback unintended changes in the previous commit

diffstat:

 sys/kern/sys_ptrace.c        |  29 ++++++++++++++++++++++++++---
 sys/kern/sys_ptrace_common.c |  28 +++++++++++++++++++++++++---
 2 files changed, 51 insertions(+), 6 deletions(-)

diffs (109 lines):

diff -r 6ebdd3588d36 -r 73d1477c8ed6 sys/kern/sys_ptrace.c
--- a/sys/kern/sys_ptrace.c     Mon Oct 19 14:47:01 2020 +0000
+++ b/sys/kern/sys_ptrace.c     Mon Oct 19 14:52:19 2020 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: sys_ptrace.c,v 1.7 2020/10/19 14:47:01 kamil Exp $     */
+/*     $NetBSD: sys_ptrace.c,v 1.8 2020/10/19 14:52:19 kamil Exp $     */
 
 /*-
  * Copyright (c) 2008, 2009 The NetBSD Foundation, Inc.
@@ -106,9 +106,8 @@
  *     from: @(#)sys_process.c 8.1 (Berkeley) 6/10/93
  */
 
-
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: sys_ptrace.c,v 1.7 2020/10/19 14:47:01 kamil Exp $");
+__KERNEL_RCSID(0, "$NetBSD: sys_ptrace.c,v 1.8 2020/10/19 14:52:19 kamil Exp $");
 
 #ifdef _KERNEL_OPT
 #include "opt_ptrace.h"
@@ -129,6 +128,7 @@
 #include <sys/syscallargs.h>
 #include <sys/syscallvar.h>
 #include <sys/syscall.h>
+#include <sys/module.h>
 
 #include <uvm/uvm_extern.h>
 
@@ -214,3 +214,26 @@
         return do_ptrace(&native_ptm, l, SCARG(uap, req), SCARG(uap, pid),
             SCARG(uap, addr), SCARG(uap, data), retval);
 }
+
+#define        DEPS    "ptrace_common"  
+
+MODULE(MODULE_CLASS_EXEC, ptrace, DEPS);
+ 
+static int
+ptrace_modcmd(modcmd_t cmd, void *arg)
+{
+       int error;
+ 
+       switch (cmd) {
+       case MODULE_CMD_INIT: 
+               error = syscall_establish(&emul_netbsd, ptrace_syscalls);
+               break;
+       case MODULE_CMD_FINI:
+               error = syscall_disestablish(&emul_netbsd, ptrace_syscalls);
+               break;
+       default:
+               error = ENOTTY;
+               break;
+       }
+       return error;
+}
diff -r 6ebdd3588d36 -r 73d1477c8ed6 sys/kern/sys_ptrace_common.c
--- a/sys/kern/sys_ptrace_common.c      Mon Oct 19 14:47:01 2020 +0000
+++ b/sys/kern/sys_ptrace_common.c      Mon Oct 19 14:52:19 2020 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: sys_ptrace_common.c,v 1.85 2020/10/19 14:47:01 kamil Exp $     */
+/*     $NetBSD: sys_ptrace_common.c,v 1.86 2020/10/19 14:52:19 kamil Exp $     */
 
 /*-
  * Copyright (c) 2008, 2009 The NetBSD Foundation, Inc.
@@ -106,9 +106,8 @@
  *     from: @(#)sys_process.c 8.1 (Berkeley) 6/10/93
  */
 
-
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: sys_ptrace_common.c,v 1.85 2020/10/19 14:47:01 kamil Exp $");
+__KERNEL_RCSID(0, "$NetBSD: sys_ptrace_common.c,v 1.86 2020/10/19 14:52:19 kamil Exp $");
 
 #ifdef _KERNEL_OPT
 #include "opt_ptrace.h"
@@ -135,6 +134,7 @@
 #include <sys/kauth.h>
 #include <sys/mount.h>
 #include <sys/syscallargs.h>
+#include <sys/module.h>
 #include <sys/condvar.h>
 #include <sys/mutex.h>
 #include <sys/compat_stub.h>
@@ -1785,3 +1785,25 @@
        return 0;
 }
 #endif /* PTRACE */
+
+MODULE(MODULE_CLASS_EXEC, ptrace_common, NULL);
+ 
+static int
+ptrace_common_modcmd(modcmd_t cmd, void *arg)
+{
+        int error;
+ 
+        switch (cmd) {
+        case MODULE_CMD_INIT:
+                error = ptrace_init();
+                break;
+        case MODULE_CMD_FINI:
+                error = ptrace_fini();
+                break;
+        default:
+               ptrace_hooks();
+                error = ENOTTY;
+                break;
+        }
+        return error;
+}