Author: pgj (ports committer)
Date: Fri Jul 20 06:50:57 2012
New Revision: 238647
URL: http://svn.freebsd.org/changeset/base/238647

Log:
  MFC r238527:
  
    - Add support for displaying process stack memory regions.
  
  Approved by:  re (kib), rwatson

Modified:
  stable/9/sys/kern/kern_proc.c
  stable/9/sys/sys/user.h
  stable/9/usr.bin/procstat/procstat.1
  stable/9/usr.bin/procstat/procstat_vm.c
Directory Properties:
  stable/9/sys/   (props changed)
  stable/9/usr.bin/procstat/   (props changed)

Modified: stable/9/sys/kern/kern_proc.c
==============================================================================
--- stable/9/sys/kern/kern_proc.c       Fri Jul 20 06:11:26 2012        
(r238646)
+++ stable/9/sys/kern/kern_proc.c       Fri Jul 20 06:50:57 2012        
(r238647)
@@ -2189,6 +2189,10 @@ sysctl_kern_proc_vmmap(SYSCTL_HANDLER_AR
                        kve->kve_flags |= KVME_FLAG_NEEDS_COPY;
                if (entry->eflags & MAP_ENTRY_NOCOREDUMP)
                        kve->kve_flags |= KVME_FLAG_NOCOREDUMP;
+               if (entry->eflags & MAP_ENTRY_GROWS_UP)
+                       kve->kve_flags |= KVME_FLAG_GROWS_UP;
+               if (entry->eflags & MAP_ENTRY_GROWS_DOWN)
+                       kve->kve_flags |= KVME_FLAG_GROWS_DOWN;
 
                last_timestamp = map->timestamp;
                vm_map_unlock_read(map);

Modified: stable/9/sys/sys/user.h
==============================================================================
--- stable/9/sys/sys/user.h     Fri Jul 20 06:11:26 2012        (r238646)
+++ stable/9/sys/sys/user.h     Fri Jul 20 06:50:57 2012        (r238647)
@@ -413,6 +413,8 @@ struct kinfo_file {
 #define        KVME_FLAG_NEEDS_COPY    0x00000002
 #define        KVME_FLAG_NOCOREDUMP    0x00000004
 #define        KVME_FLAG_SUPER         0x00000008
+#define        KVME_FLAG_GROWS_UP      0x00000010
+#define        KVME_FLAG_GROWS_DOWN    0x00000020
 
 #if defined(__amd64__)
 #define        KINFO_OVMENTRY_SIZE     1168

Modified: stable/9/usr.bin/procstat/procstat.1
==============================================================================
--- stable/9/usr.bin/procstat/procstat.1        Fri Jul 20 06:11:26 2012        
(r238646)
+++ stable/9/usr.bin/procstat/procstat.1        Fri Jul 20 06:50:57 2012        
(r238647)
@@ -25,7 +25,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd March 23, 2012
+.Dd July 11, 2012
 .Dt PROCSTAT 1
 .Os
 .Sh NAME
@@ -433,6 +433,10 @@ copy-on-write
 needs copy
 .It S
 one or more superpage mappings are used
+.It D
+grows down (top-down stack)
+.It U
+grows up (bottom-up stack)
 .El
 .Sh EXIT STATUS
 .Ex -std

Modified: stable/9/usr.bin/procstat/procstat_vm.c
==============================================================================
--- stable/9/usr.bin/procstat/procstat_vm.c     Fri Jul 20 06:11:26 2012        
(r238646)
+++ stable/9/usr.bin/procstat/procstat_vm.c     Fri Jul 20 06:50:57 2012        
(r238647)
@@ -72,7 +72,9 @@ procstat_vm(struct kinfo_proc *kipp)
                printf("%-1s", kve->kve_flags & KVME_FLAG_COW ? "C" : "-");
                printf("%-1s", kve->kve_flags & KVME_FLAG_NEEDS_COPY ? "N" :
                    "-");
-               printf("%-1s ", kve->kve_flags & KVME_FLAG_SUPER ? "S" : "-");
+               printf("%-1s", kve->kve_flags & KVME_FLAG_SUPER ? "S" : "-");
+               printf("%-1s ", kve->kve_flags & KVME_FLAG_GROWS_UP ? "U" :
+                   kve->kve_flags & KVME_FLAG_GROWS_DOWN ? "D" : "-");
                switch (kve->kve_type) {
                case KVME_TYPE_NONE:
                        str = "--";
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