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OpenSolaris 2009.06 - man page for whocalls (opensolaris section 1)

whocalls(1)				  User Commands 			      whocalls(1)

NAME
       whocalls - report on the calls to a specific procedure

SYNOPSIS
       whocalls [-l wholib] [-s] funcname executable
		 [arguments]...

DESCRIPTION
       whocalls  is  a	simple	example  of a utility based on the Link-Auditing functionality of
       ld.so.1(1) that permits the tracking  of  a  given  function  call.  See  the  Linker  and
       Libraries  Guide for a detailed description of the Link-Auditing mechanism. The executable
       is run as normal with any associated  arguments.  Each  time  the  procedure  funcname  is
       called,	both  the arguments to that procedure and a stack trace are displayed on standard
       output.

OPTIONS
       The following options are supported:

       -l wholib    Specifies an alternate who.so Link-Auditing library to use.

       -s	    When available, examines and uses the .symtab symbol table for local symbols.
		    This  is a little more expensive than using the .dynsym symbol table, but can
		    produce more detailed stack trace information.

EXAMPLES
       Example 1 Tracking Function Calls

       The following example tracks the calls to printf() made by a simple helloworld program:

	 example% whocalls printf helloworld
	 printf(0x106e4, 0xef625310, 0xef621ba8)
		 helloworld:main+0x10
		 helloworld:_start+0x5c
	 Hello World

ATTRIBUTES
       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWtoo			   |
       +-----------------------------+-----------------------------+

SEE ALSO
       ld.so.1(1), sotruss(1), attributes(5)

       Linker and Libraries Guide

SunOS 5.11				    3 Jul 2007				      whocalls(1)


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