diff options
Diffstat (limited to 'lib/libkvm/kvm.3')
| -rw-r--r-- | lib/libkvm/kvm.3 | 18 |
1 files changed, 13 insertions, 5 deletions
diff --git a/lib/libkvm/kvm.3 b/lib/libkvm/kvm.3 index 6a4ecd98a36..c834906f705 100644 --- a/lib/libkvm/kvm.3 +++ b/lib/libkvm/kvm.3 @@ -1,4 +1,4 @@ -.\" $OpenBSD: kvm.3,v 1.2 1996/05/05 14:56:38 deraadt Exp $ +.\" $OpenBSD: kvm.3,v 1.3 2000/03/04 15:29:56 aaron Exp $ .\" $NetBSD: kvm.3,v 1.2 1996/03/18 22:33:11 thorpej Exp $ .\" .\" Copyright (c) 1992, 1993 @@ -50,7 +50,7 @@ The library provides a uniform interface for accessing kernel virtual memory images, including live systems and crashdumps. Access to live systems is via -/dev/mem +.Pa /dev/mem while crashdumps can be examined via the core file generated by .Xr savecore 8 . The interface behaves identically in both cases. @@ -61,7 +61,8 @@ be gathered. .Fn kvm_open is first called to obtain a descriptor for all subsequent calls. .Sh COMPATIBILITY -The kvm interface was first introduced in SunOS. A considerable +The kvm interface was first introduced in SunOS. +A considerable number of programs have been developed that use this interface, making backward compatibility highly desirable. In most respects, the Sun kvm interface is consistent and clean. @@ -72,11 +73,13 @@ Accordingly, the generic portion of the interface (i.e., .Fn kvm_write , and .Fn kvm_nlist ) -has been incorporated into the BSD interface. Indeed, many kvm +has been incorporated into the BSD interface. +Indeed, many kvm applications (i.e., debuggers and statistical monitors) use only this subset of the interface. .Pp -The process interface was not kept. This is not a portability +The process interface was not kept. +This is not a portability issue since any code that manipulates processes is inherently machine dependent. .Pp @@ -90,6 +93,11 @@ routine, to return (not print out) the error message corresponding to the most recent error condition on the given descriptor. +.Sh FILES +.Bl -tag -width /dev/mem -compact +.It Pa /dev/mem +interface to physical memory +.El .Sh SEE ALSO .Xr kvm_close 3 , .Xr kvm_getargv 3 , |