Add a feature to procfs to allow display of the process address map

with multiple entries as follows:

	start address, end address, resident pages in range, private pages
		in range, RW/RO, COW or not, (vnode/device/swap/default).

sys/conf/files

@@ -120,6 +120,7 @@ miscfs/procfs/procfs_status.c	optional procfs
 miscfs/procfs/procfs_subr.c	optional procfs
 miscfs/procfs/procfs_vfsops.c	optional procfs
 miscfs/procfs/procfs_vnops.c	optional procfs
+miscfs/procfs/procfs_map.c	optional procfs
 miscfs/specfs/spec_vnops.c	standard
 miscfs/umapfs/umap_subr.c	optional umapfs
 miscfs/umapfs/umap_vfsops.c	optional umapfs

sys/fs/procfs/procfs.h

@@ -36,7 +36,7 @@
  *
  *	@(#)procfs.h	8.6 (Berkeley) 2/3/94
  *
- *	$Id: procfs.h,v 1.8 1995/11/16 11:39:09 bde Exp $
+ *	$Id: procfs.h,v 1.9 1996/01/24 18:40:37 peter Exp $
  */
 
 /*
@@ -52,7 +52,8 @@ typedef enum {
 	Pctl,		/* process control */
 	Pstatus,	/* process status */
 	Pnote,		/* process notifier */
-	Pnotepg		/* process group notifier */
+	Pnotepg,	/* process group notifier */
+	Pmap		/* memory map */
 } pfstype;
 
 /*

sys/fs/procfs/procfs_subr.c

@@ -36,7 +36,7 @@
  *
  *	@(#)procfs_subr.c	8.4 (Berkeley) 1/27/94
  *
- *	$Id: procfs_subr.c,v 1.5 1995/05/30 08:07:11 rgrimes Exp $
+ *	$Id: procfs_subr.c,v 1.6 1996/06/12 03:37:36 davidg Exp $
  */
 
 #include <sys/param.h>
@@ -166,6 +166,7 @@ loop:
 		pfs->pfs_mode = (VWRITE);
 		break;
 
+	case Pmap:
 	case Pstatus:
 		pfs->pfs_mode = (VREAD) |
 				(VREAD >> 3) |
@@ -250,6 +251,9 @@ procfs_rw(ap)
 	case Pstatus:
 		return (procfs_dostatus(curp, p, pfs, uio));
 
+	case Pmap:
+		return (procfs_domap(curp, p, pfs, uio));
+
 	case Pmem:
 		return (procfs_domem(curp, p, pfs, uio));
 

sys/fs/procfs/procfs_vnops.c

@@ -36,7 +36,7 @@
  *
  *	@(#)procfs_vnops.c	8.6 (Berkeley) 2/7/94
  *
- *	$Id: procfs_vnops.c,v 1.20 1996/01/24 18:41:41 peter Exp $
+ *	$Id: procfs_vnops.c,v 1.21 1996/03/11 06:13:09 hsu Exp $
  */
 
 /*
@@ -95,6 +95,7 @@ static struct pfsnames {
 	{  N("status"),	Pstatus, NULL },
 	{  N("note"),	Pnote,	 NULL },
 	{  N("notepg"),	Pnotepg, NULL },
+	{  N("map"), 	Pmap,	 NULL },
 #undef N
 };
 #define Nprocent (sizeof(procent)/sizeof(procent[0]))
@@ -430,6 +431,7 @@ procfs_getattr(ap)
 		vap->va_gid = KMEM_GROUP;
 		break;
 
+	case Pmap:
 	case Pregs:
 	case Pfpregs:
 	case Pctl:

sys/miscfs/procfs/procfs.h

@@ -36,7 +36,7 @@
  *
  *	@(#)procfs.h	8.6 (Berkeley) 2/3/94
  *
- *	$Id: procfs.h,v 1.8 1995/11/16 11:39:09 bde Exp $
+ *	$Id: procfs.h,v 1.9 1996/01/24 18:40:37 peter Exp $
  */
 
 /*
@@ -52,7 +52,8 @@ typedef enum {
 	Pctl,		/* process control */
 	Pstatus,	/* process status */
 	Pnote,		/* process notifier */
-	Pnotepg		/* process group notifier */
+	Pnotepg,	/* process group notifier */
+	Pmap		/* memory map */
 } pfstype;
 
 /*

sys/miscfs/procfs/procfs_subr.c

@@ -36,7 +36,7 @@
  *
  *	@(#)procfs_subr.c	8.4 (Berkeley) 1/27/94
  *
- *	$Id: procfs_subr.c,v 1.5 1995/05/30 08:07:11 rgrimes Exp $
+ *	$Id: procfs_subr.c,v 1.6 1996/06/12 03:37:36 davidg Exp $
  */
 
 #include <sys/param.h>
@@ -166,6 +166,7 @@ loop:
 		pfs->pfs_mode = (VWRITE);
 		break;
 
+	case Pmap:
 	case Pstatus:
 		pfs->pfs_mode = (VREAD) |
 				(VREAD >> 3) |
@@ -250,6 +251,9 @@ procfs_rw(ap)
 	case Pstatus:
 		return (procfs_dostatus(curp, p, pfs, uio));
 
+	case Pmap:
+		return (procfs_domap(curp, p, pfs, uio));
+
 	case Pmem:
 		return (procfs_domem(curp, p, pfs, uio));
 

sys/miscfs/procfs/procfs_vnops.c

@@ -36,7 +36,7 @@
  *
  *	@(#)procfs_vnops.c	8.6 (Berkeley) 2/7/94
  *
- *	$Id: procfs_vnops.c,v 1.20 1996/01/24 18:41:41 peter Exp $
+ *	$Id: procfs_vnops.c,v 1.21 1996/03/11 06:13:09 hsu Exp $
  */
 
 /*
@@ -95,6 +95,7 @@ static struct pfsnames {
 	{  N("status"),	Pstatus, NULL },
 	{  N("note"),	Pnote,	 NULL },
 	{  N("notepg"),	Pnotepg, NULL },
+	{  N("map"), 	Pmap,	 NULL },
 #undef N
 };
 #define Nprocent (sizeof(procent)/sizeof(procent[0]))
@@ -430,6 +431,7 @@ procfs_getattr(ap)
 		vap->va_gid = KMEM_GROUP;
 		break;
 
+	case Pmap:
 	case Pregs:
 	case Pfpregs:
 	case Pctl: