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Diffstat (limited to 'lib/libsysdecode/sysdecode_utrace.3')
-rw-r--r-- | lib/libsysdecode/sysdecode_utrace.3 | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/lib/libsysdecode/sysdecode_utrace.3 b/lib/libsysdecode/sysdecode_utrace.3 new file mode 100644 index 000000000000..859f561324d8 --- /dev/null +++ b/lib/libsysdecode/sysdecode_utrace.3 @@ -0,0 +1,71 @@ +.\" +.\" Copyright (c) 2015 John Baldwin <jhb@FreeBSD.org> +.\" +.\" 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 AUTHOR 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 AUTHOR 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. +.\" +.Dd November 24, 2017 +.Dt sysdecode_utrace 3 +.Os +.Sh NAME +.Nm sysdecode_utrace +.Nd produce text description of a utrace record +.Sh LIBRARY +.Lb libsysdecode +.Sh SYNOPSIS +.In sysdecode.h +.Ft int +.Fn sysdecode_utrace "FILE *fp" "void *buf" "size_t len" "int decimal" +.Sh DESCRIPTION +The +.Fn sysdecode_utrace +function outputs a textual representation of a +.Xr utrace 2 +record identified by +.Fa buf +and +.Fa len +to the output stream +.Fa fp . +.Pp +The function only outputs a representation for certain types of records. +If a record is recognized, +the function outputs the description and returns a non-zero value. +If the record is not recognized, +the function does not output anything and returns zero. +The +.Fn sysdecode_utrace +function currently recognizes +.Xr utrace 2 +records generated by +.Xr malloc 3 +and +.Xr rtld 1 . +.Sh RETURN VALUES +The +.Fn sysdecode_utrace +function returns a non-zero value if it recognizes a +.Xr utrace 2 +record; +otherwise it returns zero. +.Sh SEE ALSO +.Xr utrace 2 , +.Xr sysdecode 3 |