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Update libexecinfo man page for FreeBSD

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Sponsored by:	DARPA, AFRL
This commit is contained in:
Ed Maste 2013-08-23 13:47:18 +00:00
parent de1eecea8c
commit b32840d048
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=254698
1 changed files with 11 additions and 9 deletions
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20
contrib/libexecinfo/backtrace.3
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@ -1,4 +1,5 @@
.\" $NetBSD: backtrace.3,v 1.4 2012/06/10 00:24:36 christos Exp $
.\" $FreeBSD$
.\"
.\" Copyright (c) 2012 The NetBSD Foundation, Inc.
.\" All rights reserved.
@ -27,7 +28,7 @@
.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
.\" POSSIBILITY OF SUCH DAMAGE.
.\"
.Dd May 26, 2012
.Dd August 23, 2013
.Dt BACKTRACE 3
.Os
.Sh NAME
@ -116,7 +117,7 @@ on failure.
.Sh RETURN VALUES
The
.Fn backtrace
function returns the number of elements tht were filled in the backtrace.
function returns the number of elements that were filled in the backtrace.
The
.Fn backtrace_symbols
and
@ -133,7 +134,9 @@ Diagnostic output may also be produced by the ELF symbol lookup functions.
The
.Fn backtrace
library of functions first appeared in
.Nx 7.0 .
.Nx 7.0
and
.Fx 10.0 .
.Sh BUGS
.Bl -enum
.It
@ -150,10 +153,9 @@ instead of
.Ft size_t
arguments.
.It
Since
.Xr dladdr 3
only deals with dynamic symbols, we need to find the symbols from the main
portion of the program.
For that we need to locate the executable, and we use procfs for
finding it, which is not portable.
The
.Fn backtrace_symbols
functions currently rely on
.Xr procfs 5
to locate the executable.
.El