NetBSD/usr.bin/pmap/pmap.h

154 lines
4.6 KiB
C

/* $NetBSD: pmap.h,v 1.10 2017/06/09 00:13:29 chs Exp $ */
/*
* Copyright (c) 2002, 2003 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Andrew Brown.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
/*
* only pull in the headers once. if we attempt to pull them in
* again, we get namespace collisions on some structures, and we don't
* want to redefine some of them since it will affect the layout of
* the struct kbit.
*/
#ifndef PMAP_HEADERS
#include <err.h>
#include <kvm.h>
#include <stddef.h>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/param.h>
#include <sys/time.h>
#include <sys/vnode.h>
#define __EXPOSE_MOUNT
#include <sys/mount.h>
#include <sys/uio.h>
#include <sys/namei.h>
#include <sys/sysctl.h>
#include <uvm/uvm.h>
#include <uvm/uvm_device.h>
#include <ufs/ufs/inode.h>
#undef doff_t
#undef IN_ACCESS
#include <isofs/cd9660/iso.h>
#include <isofs/cd9660/cd9660_node.h>
#define PMAP_HEADERS
#endif /* PMAP_HEADERS */
/*
* if the definition of the kbit structure (and the accessor macros)
* is already established, don't redefine it.
*/
#ifndef struct_kbit
/*
* stolen (and munged) from #include <uvm/uvm_object.h>
*/
#define UVM_OBJ_IS_VNODE(uobj) ((uobj)->pgops == uvm_vnodeops)
#define UVM_OBJ_IS_AOBJ(uobj) ((uobj)->pgops == aobj_pager)
#define UVM_OBJ_IS_DEVICE(uobj) ((uobj)->pgops == uvm_deviceops)
#define UVM_OBJ_IS_UBCPAGER(uobj) ((uobj)->pgops == ubc_pager)
/*
* stolen from #include <uvm/uvm_amap.h>
*/
#define PPREF_NONE ((int *) -1)
/* the size of the object in the kernel */
#define S(x) ((x)->k_size)
/* the address of the object in kernel, two forms */
#define A(x) ((x)->k_addr.k_addr_ul)
#define P(x) ((x)->k_addr.k_addr_p)
/* the data from the kernel */
#define D(x,d) (&((x)->k_data.d))
/* suck the data from the kernel */
#define _KDEREFOK(kd, addr, dst, sz) \
((size_t)kvm_read((kd), (addr), (dst), (sz)) == (size_t)(sz))
#define _KDEREF(kd, addr, dst, sz) do { \
if (!_KDEREFOK((kd), (addr), (dst), (sz))) \
errx(1, "trying to read %lu (%s) bytes from %lx: %s", \
(unsigned long)(sz), #sz, (addr), kvm_geterr(kd)); \
} while (0/*CONSTCOND*/)
/* suck the data using the structure */
#define KDEREFOK(kd, item) _KDEREFOK((kd), A(item), D(item, data), S(item))
#define KDEREF(kd, item) _KDEREF((kd), A(item), D(item, data), S(item))
struct kbit {
/*
* size of data chunk
*/
size_t k_size;
/*
* something for printf() and something for kvm_read()
*/
union {
void *k_addr_p;
u_long k_addr_ul;
} k_addr;
/*
* where we actually put the "stuff"
*/
union {
char data[1];
struct vmspace vmspace;
struct vm_map vm_map;
struct vm_map_entry vm_map_entry;
struct vnode vnode;
struct uvm_object uvm_object;
struct mount mount;
struct namecache namecache;
struct inode inode;
struct iso_node iso_node;
struct uvm_device uvm_device;
struct vm_amap amap;
struct vm_anon anon;
} k_data;
};
#define struct_kbit
#endif /* struct_kbit */
/*
* this is the *actual* module interface
*/
void process_map(kvm_t *, struct kinfo_proc2 *,
struct kbit *, const char *);
void dump_vm_map(kvm_t *, struct kinfo_proc2 *,
struct kbit *, struct kbit *, const char *);
size_t dump_vm_map_entry(kvm_t *, struct kinfo_proc2 *,
struct kbit *, struct kbit *, int);
void dump_amap(kvm_t *, struct kbit *);