[src/trunk]: src/sys Restore exporting of lwp_getpcb() to userland and fix DD...

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

details:   https://anonhg.NetBSD.org/src/rev/ad29805f228a
branches:  trunk
changeset: 749290:ad29805f228a
user:      rmind <rmind%NetBSD.org@localhost>
date:      Wed Nov 25 13:53:19 2009 +0000

description:
Restore exporting of lwp_getpcb() to userland and fix DDB properly.
While the header might be abstracted better, it is a separate issue.

diffstat:

 sys/arch/i386/i386/db_trace.c |  10 +++-------
 sys/sys/lwp.h                 |  16 ++++++++--------
 2 files changed, 11 insertions(+), 15 deletions(-)

diffs (75 lines):

diff -r 96929af3df16 -r ad29805f228a sys/arch/i386/i386/db_trace.c
--- a/sys/arch/i386/i386/db_trace.c     Wed Nov 25 13:38:38 2009 +0000
+++ b/sys/arch/i386/i386/db_trace.c     Wed Nov 25 13:53:19 2009 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: db_trace.c,v 1.65 2009/11/21 19:59:51 dsl Exp $        */
+/*     $NetBSD: db_trace.c,v 1.66 2009/11/25 13:53:19 rmind Exp $      */
 
 /* 
  * Mach Operating System
@@ -27,7 +27,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: db_trace.c,v 1.65 2009/11/21 19:59:51 dsl Exp $");
+__KERNEL_RCSID(0, "$NetBSD: db_trace.c,v 1.66 2009/11/25 13:53:19 rmind Exp $");
 
 #include <sys/param.h>
 #include <sys/systm.h>
@@ -452,6 +452,7 @@
                                    sizeof(l), (char *)&l);
                        }
                        (*pr)("lid %d ", l.l_lid);
+                       pcb = lwp_getpcb(&l);
 #ifdef _KERNEL
                        if (l.l_proc == curproc &&
                            (lwp_t *)lwpaddr == curlwp) {
@@ -461,11 +462,6 @@
                        } else
 #endif
                        {
-#ifdef _KERNEL
-                               pcb = lwp_getpcb(&l);
-#else
-                               pcb = &l.l_addr->u_pcb;
-#endif
                                db_read_bytes((db_addr_t)&pcb->pcb_ebp,
                                    sizeof(frame), (char *)&frame);
                                db_read_bytes((db_addr_t)(frame + 1),
diff -r 96929af3df16 -r ad29805f228a sys/sys/lwp.h
--- a/sys/sys/lwp.h     Wed Nov 25 13:38:38 2009 +0000
+++ b/sys/sys/lwp.h     Wed Nov 25 13:53:19 2009 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: lwp.h,v 1.125 2009/11/21 19:54:49 dsl Exp $    */
+/*     $NetBSD: lwp.h,v 1.126 2009/11/25 13:53:19 rmind Exp $  */
 
 /*-
  * Copyright (c) 2001, 2006, 2007, 2008, 2009 The NetBSD Foundation, Inc.
@@ -197,6 +197,13 @@
 #define        UAREA_TO_USER(uarea)    ((struct user *)((uarea) + UAREA_USER_OFFSET))
 #endif /* !defined(UAREA_TO_USER) */
 
+static inline void *
+lwp_getpcb(struct lwp *l)
+{
+
+       return &l->l_addr->u_pcb;
+}
+
 LIST_HEAD(lwplist, lwp);               /* a list of LWPs */
 
 #ifdef _KERNEL
@@ -391,13 +398,6 @@
        return MAX(l->l_inheritedprio, pri);
 }
 
-static inline struct pcb *
-lwp_getpcb(lwp_t *l)
-{
-
-       return &l->l_addr->u_pcb;
-}
-
 int lwp_create(lwp_t *, struct proc *, vaddr_t, int,
     void *, size_t, void (*)(void *), void *, lwp_t **, int);