Date: Mon, 5 Jan 2009 02:01:05 +0100 From: Luigi Rizzo <rizzo@iet.unipi.it> To: Maxim Sobolev <sobomax@freebsd.org> Cc: current@freebsd.org Subject: Re: upcoming elfdump refactoring Message-ID: <20090105010105.GA47387@onelab2.iet.unipi.it> In-Reply-To: <49615475.2030803@FreeBSD.org> References: <20090104234238.GA44381@onelab2.iet.unipi.it> <49615475.2030803@FreeBSD.org>
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On Sun, Jan 04, 2009 at 04:29:41PM -0800, Maxim Sobolev wrote: > Luigi Rizzo wrote: > >I need to extract value and size of some symbols from an ELF file, > >and make them available to a C program, something like > > > > nm -S /boot/kernel/kernel | grep -E "(kernload|kernbase|uscanner_devs)" > > > >Rather than using the above tools plus popen() and some parsing code, > >I have refactored src/usr.bin/elfdump/elfdump.c , > >making the main routine externally callable, returning the > >desired info in a struct rather than print them out. > > > >I don't know if/how other programs might need to call elfdump(), > >but given that the changes I made have no functional or performance > >drawback, I would like to commit them to the tree. > >Objections ? > > > >(note, the diff will be large because in the process I also removed > >global variables and staticize/constify things) > > Why not make this function part of libelf? because i was not aware of its existance (also a reason why I posted the request - i didn't want to reinvent the wheel). Thanks for the pointer, I will look at libelf and see if it already contains soemthing that does what i need. cheers luigi
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