[src/trunk]: src/sys/sys Add KERN_PROC_PATHNAME and VM_PROC_MAP used by libproc.

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

details:   https://anonhg.NetBSD.org/src/rev/a5e6f68b440b
branches:  trunk
changeset: 340672:a5e6f68b440b
user:      christos <christos%NetBSD.org@localhost>
date:      Thu Sep 24 14:32:15 2015 +0000

description:
Add KERN_PROC_PATHNAME and VM_PROC_MAP used by libproc.

diffstat:

 sys/sys/sysctl.h |  64 +++++++++++++++++++++++++++++++++++++++++++++++++++++++-
 1 files changed, 63 insertions(+), 1 deletions(-)

diffs (85 lines):

diff -r 307920eee8e3 -r a5e6f68b440b sys/sys/sysctl.h
--- a/sys/sys/sysctl.h  Thu Sep 24 14:30:52 2015 +0000
+++ b/sys/sys/sysctl.h  Thu Sep 24 14:32:15 2015 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: sysctl.h,v 1.215 2015/01/04 22:11:40 pooka Exp $       */
+/*     $NetBSD: sysctl.h,v 1.216 2015/09/24 14:32:15 christos Exp $    */
 
 /*
  * Copyright (c) 1989, 1993
@@ -678,6 +678,7 @@
 #define        KERN_PROC_NARGV         2       /* number of strings in above */
 #define        KERN_PROC_ENV           3       /* environ */
 #define        KERN_PROC_NENV          4       /* number of strings in above */
+#define        KERN_PROC_PATHNAME      5       /* path to executable */
 
 /*
  * KERN_SYSVIPC subtypes
@@ -828,6 +829,67 @@
 #define        KERN_EVCNT_COUNT_NONZERO        1
 
 /*
+ * CTL_VM identifiers
+ */
+#define VM_PROC                1               /* internal */
+#define VM_PROC_MAP    1               /* struct kinfo_vmentry */
+
+/*
+ * The vm.proc.map sysctl allows a process to dump the VM layout of
+ * another process as a series of entries.
+ */
+#define        KVME_TYPE_NONE          0
+#define        KVME_TYPE_OBJECT        1
+#define        KVME_TYPE_VNODE         2
+#define        KVME_TYPE_KERN          3
+#define        KVME_TYPE_DEVICE        4
+#define        KVME_TYPE_ANON          5
+#define        KVME_TYPE_SUBMAP        6
+#define        KVME_TYPE_UNKNOWN       255
+
+#define        KVME_PROT_READ          0x00000001
+#define        KVME_PROT_WRITE         0x00000002
+#define        KVME_PROT_EXEC          0x00000004
+
+#define        KVME_FLAG_COW           0x00000001
+#define        KVME_FLAG_NEEDS_COPY    0x00000002
+#define        KVME_FLAG_NOCOREDUMP    0x00000004
+#define        KVME_FLAG_PAGEABLE      0x00000008
+#define        KVME_FLAG_GROWS_UP      0x00000010
+#define        KVME_FLAG_GROWS_DOWN    0x00000020
+
+struct kinfo_vmentry {
+       uint64_t kve_start;                     /* Starting address. */
+       uint64_t kve_end;                       /* Finishing address. */
+       uint64_t kve_offset;                    /* Mapping offset in object */
+
+       uint32_t kve_type;                      /* Type of map entry. */
+       uint32_t kve_flags;                     /* Flags on map entry. */
+
+       uint32_t kve_count;                     /* Number of pages/entries */
+       uint32_t kve_wired_count;               /* Number of wired pages */
+
+       uint32_t kve_advice;                    /* Advice */
+       uint32_t kve_attributes;                /* Map attribute */
+
+       uint32_t kve_protection;                /* Protection bitmask. */
+       uint32_t kve_max_protection;            /* Max protection bitmask */
+
+       uint32_t kve_ref_count;                 /* VM obj ref count. */
+       uint32_t kve_inheritance;               /* Inheritance */
+
+       uint64_t kve_vn_fileid;                 /* inode number if vnode */
+       uint64_t kve_vn_size;                   /* File size. */
+       uint64_t kve_vn_fsid;                   /* dev_t of vnode location */
+       uint64_t kve_vn_rdev;                   /* Device id if device. */
+
+       uint32_t kve_vn_type;                   /* Vnode type. */
+       uint32_t kve_vn_mode;                   /* File mode. */
+
+       char     kve_path[PATH_MAX];            /* Path to VM obj, if any. */
+};
+
+/*
  * CTL_HW identifiers
  */
 #define        HW_MACHINE       1              /* string: machine class */