[src/trunk]: src/sys add a register validation hook for ptrace on netbsd32 to...

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

details:   https://anonhg.NetBSD.org/src/rev/e2d6b10ca7de
branches:  trunk
changeset: 457787:e2d6b10ca7de
user:      christos <christos%NetBSD.org@localhost>
date:      Sat Jul 20 18:23:05 2019 +0000

description:
add a register validation hook for ptrace on netbsd32 to be used for
64 -> 32 debugging.

diffstat:

 sys/kern/compat_stub.c |  3 ++-
 sys/sys/compat_stub.h  |  4 +++-
 2 files changed, 5 insertions(+), 2 deletions(-)

diffs (30 lines):

diff -r fc0725f45ad5 -r e2d6b10ca7de sys/kern/compat_stub.c
--- a/sys/kern/compat_stub.c    Sat Jul 20 15:55:40 2019 +0000
+++ b/sys/kern/compat_stub.c    Sat Jul 20 18:23:05 2019 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: compat_stub.c,v 1.14 2019/07/16 22:57:55 pgoyette Exp $    */
+/* $NetBSD: compat_stub.c,v 1.15 2019/07/20 18:23:05 christos Exp $    */
 
 /*-
  * Copyright (c) 2018 The NetBSD Foundation, Inc.
@@ -273,3 +273,4 @@
  * this is true for i386 and sgimips.)
  */
 struct netbsd32_machine32_hook_t netbsd32_machine32_hook;
+struct netbsd32_reg_validate_hook_t netbsd32_reg_validate_hook;
diff -r fc0725f45ad5 -r e2d6b10ca7de sys/sys/compat_stub.h
--- a/sys/sys/compat_stub.h     Sat Jul 20 15:55:40 2019 +0000
+++ b/sys/sys/compat_stub.h     Sat Jul 20 18:23:05 2019 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: compat_stub.h,v 1.16 2019/05/17 07:37:12 msaitoh Exp $ */
+/*     $NetBSD: compat_stub.h,v 1.17 2019/07/20 18:23:05 christos Exp $        */
 
 /*-
  * Copyright (c) 2018 The NetBSD Foundation, Inc.
@@ -354,4 +354,6 @@
  * this is true for i386 and sgimips.)
  */
 MODULE_HOOK(netbsd32_machine32_hook, const char *, (void));
+MODULE_HOOK(netbsd32_reg_validate_hook, int,
+    (struct lwp *, const struct reg *));
 #endif /* _SYS_COMPAT_STUB_H */