STACKCHECKS

[Masanobu SAITOH <msaitoh%execsw.org@localhost>]

 Hi.

 It seems we can't compile kernel with STACKCHECKS.

Is the following patch correct?

Index: vm_machdep.c
===================================================================
RCS file: /cvsroot/src/sys/arch/arm/arm32/vm_machdep.c,v
retrieving revision 1.61
diff -u -r1.61 vm_machdep.c
--- vm_machdep.c        23 Oct 2012 22:50:00 -0000      1.61
+++ vm_machdep.c        5 Dec 2012 09:26:43 -0000
@@ -210,10 +210,12 @@
 #ifdef STACKCHECKS
        /* Report how much stack has been used - debugging */
        if (l) {
+               vaddr_t uv;
                u_char *ptr;
                int loop;
 
-               ptr = (u_char *)pcb + USPACE_SVC_STACK_BOTTOM;
+               uv = uvm_lwp_getuarea(l);
+               ptr = (u_char *)(uv + USPACE_SVC_STACK_BOTTOM);
                for (loop = 0; loop < (USPACE_SVC_STACK_TOP - 
USPACE_SVC_STACK_BOTTOM)
                    && *ptr == 0xdd; ++loop, ++ptr) ;
                log(LOG_INFO, "%d bytes of svc stack fill pattern\n", loop);


-- 
-----------------------------------------------
                SAITOH Masanobu (msaitoh%execsw.org@localhost
                                 msaitoh%netbsd.org@localhost)