February 2006 - Darwin-dev - lists.apple.com

size of objects in a dynamic library
by Brendan Creane 26 Feb '06

26 Feb '06

site_archiver(a)lists.apple.com Delivered-To: darwin-dev(a)lists.apple.com Domainkey-signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=yahoo.com; h=Message-ID:Date:From:Reply-To:Subject:To:MIME-Version:Content-Type:Content-Transfer-Encoding; b=CHVxRp6LbGtaemgsg1JLreXGNuhZQesPhnO6BeeTVru/aQSdtN9I9XxARtBncJ/XHHgcMBvGUDD4LU8Ka9mA6K/UD9wcDcgSAUslmvOEaLS4DPTG7HUhwQZnM6IaLyHVoDwTbcQKY9Ax2m5C+vvaag/f9AE8M3hi/kAp0KqzVEo= ; Has anyone figured out a way to infer the size of an object in the data segment of a Mach-O dynamic library? This is straight-forward under Linux – the dl_info struct, as returned by a call to dladdr(), has a “size_t dli_size” field that reports the size of the nearest symbol. My hope is that there’s an official API to do this, or at least an API that is likely to be supported in the future. My fall-back strategy is to store the size (using sizeof at compile time) in a related symbol. Clunky, but workable. thanks for your help, bcreane _______________________________________________ Do not post admin requests to the list. They will be ignored. Darwin-dev mailing list (Darwin-dev(a)lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/darwin-dev/site_archiver%40lists.app… This email sent to site_archiver(a)lists.apple.com

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Re: Slow build times
by Justin C. Walker 26 Feb '06

26 Feb '06

site_archiver(a)lists.apple.com Delivered-To: darwin-dev(a)lists.apple.com On Feb 25, 2006, at 16:38 , Tron Thomas wrote: Are you building C? C++? Templates? Regards, Justin -- Justin C. Walker, Curmudgeon-At-Large Institute for the Enhancement of the Director's Income -------- Experience is what you get when you don't get what you want. -------- _______________________________________________ Do not post admin requests to the list. They will be ignored. Darwin-dev mailing list (Darwin-dev(a)lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/darwin-dev/site_archiver%40lists.app… What should I look into to determine why the build times on my system are so slow? Verify that it is your build that is slowing things down, to start with. Use 'top' to see what the high runners are, and to see what the disk activity looks like. You can use 'top' to watch as your build proceeds, to see what looks to be taking the time, if the above doesn't point out a culprit. This email sent to site_archiver(a)lists.apple.com

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Slow build times
by Tron Thomas 26 Feb '06

26 Feb '06

site_archiver(a)lists.apple.com Delivered-To: darwin-dev(a)lists.apple.com User-agent: Thunderbird 1.5 (Windows/20051201) _______________________________________________ Do not post admin requests to the list. They will be ignored. Darwin-dev mailing list (Darwin-dev(a)lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/darwin-dev/site_archiver%40lists.app… I have a PowerBook G4 running at 1.5 Gigahertz with 1.5 Gigabytes of RAM. The system has a 70 Gigabyte hard drive with about 17 Gigabytes used. I am running Mac OS X 10.4.5, and I have the Xcode 2.2.1 development tools installed. Our code base for the Macintosh builds using GNU Make and GCC 3.3. Also we build only for PowerPC. Lately while trying to build the code base on my system, the build times have been excessively long. One day last week, I started a clean build some time probably between 10:30 and 11:00 AM, and the build still wasn't done when I was ready to leave around 5:00 PM. I asked a member on our build team, and he said that his Mac mini system takes about 45 minutes to do a clean build. What should I look into to determine why the build times on my system are so slow? This email sent to site_archiver(a)lists.apple.com

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Re: gdb with --enable-tui
by Justin C. Walker 25 Feb '06

25 Feb '06

site_archiver(a)lists.apple.com Delivered-To: darwin-dev(a)lists.apple.com On Feb 25, 2006, at 11:03 , Jens Frederich wrote: Hi all, I've a litte question. I need gdb with tui support enabled. But I can't compile it. Regards, Justin -- Justin C. Walker, Curmudgeon-At-Large Institute for the Enhancement of the Director's Income -------- When LuteFisk is outlawed, Only outlaws will have LuteFisk -------- _______________________________________________ Do not post admin requests to the list. They will be ignored. Darwin-dev mailing list (Darwin-dev(a)lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/darwin-dev/site_archiver%40lists.app… It may be of some comfort to learn that you are not alone. There is some hope, however. Visit <http://opendarwin.org/projects/ darwinbuild/>, where the Darwin build scheme is explained, and instructions are provided. I have not used this to build gdb, but you may find that it works. This email sent to site_archiver(a)lists.apple.com

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gdb with --enable-tui
by Jens Frederich 25 Feb '06

25 Feb '06

site_archiver(a)lists.apple.com Delivered-To: darwin-dev(a)lists.apple.com Domainkey-signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com; h=received:message-id:date:from:to:subject:mime-version:content-type:content-transfer-encoding:content-disposition; b=dO5bBt8w6Vzuo3wSl6VwEhCKm6lP/l26UTkLK/181FHMR0P0yvwOWOp/UIt32AN7RVrBvaA88t8IfgqEt7njj1aA6OY2k2UPP6uJupMKez7jCYWattGFy2NFt+P1bvAGfizM0POnK2MQWB8pEVYJDF5aKkTbiQkSFNXYkGayclc= Hi all, I've a litte question. I need gdb with tui support enabled. But I can't compile it. My steps: I've 10.4.5 and Dev Tools installed. I downloaded gdb-413 and untar it. On the makefile I changed --disable-tui to --enable-tui. Now I run make. But doesn't works. Here is my output: CFLAGS='-g ' CC='cc' CPP='cpp' CXX='c++' LD='ld' AR='ar' RANLIB='ranlib' NM='nm' CC_FOR_BUILD='cc' HOST_ARCHITECTURE='UNKNOWN' NEXT_ROOT='' BINUTILS_FRAMEWORK_PATH='/Library/PrivateFrameworks' SRCROOT='.' prefix='/usr' make check-args echo "Unknown architecture string: \"\"" Unknown architecture string: "" exit 1 make[1]: *** [check-args] Error 1 make: *** [build] Error 2 What is my problem, please? Jens _______________________________________________ Do not post admin requests to the list. They will be ignored. Darwin-dev mailing list (Darwin-dev(a)lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/darwin-dev/site_archiver%40lists.app… This email sent to site_archiver(a)lists.apple.com

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Re: usefulness of source
by David Leimbach 25 Feb '06

25 Feb '06

site_archiver(a)lists.apple.com Delivered-To: darwin-dev(a)lists.apple.com Domainkey-signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com; h=received:message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:references; b=Hsto/4dXflWxUZg/ljqpaz7/T9+US7eeT0zI0EeHnJEepj5nf7dN4bA51PmYn53VwSZiY/NAo5cmMz5RUFsSCXcjnauiAOGgAn7A2JsGQXf931dTAarClnzTtFWodb1gQG80rGt2bAqxYlqutQBa/shW2bZyarKty0VdAMmvzRA= _______________________________________________ Do not post admin requests to the list. They will be ignored. Darwin-dev mailing list (Darwin-dev(a)lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/darwin-dev/site_archiver%40lists.app… This email sent to site_archiver(a)lists.apple.com

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Re: usefulness of source
by Bill Northcott 25 Feb '06

25 Feb '06

site_archiver(a)lists.apple.com Delivered-To: darwin-dev(a)lists.apple.com Following my last post I was directed by Mac Network News to this piece by ex-apple executive Mike Evangelist: http://writersblocklive.com/part-156 Just have a look at the agreement he references. The keys which control all access to this 'new' (recycled) content expire in maximum of 18 months. If you or your hardware supplier have not been 'good boys' and kept paying your dues, then your equipment and all the content you thought you had purchased will just expire! Notice that many large computer and consumer electronics companies are part of this scheme including Dell, HP, Philips, Sony (of the hidden rootkits) and Pioneer. Notice there are conspicuous outsiders - Apple and LG spring immediately to mind. Apple is the only company with a significant current business based on digital content. They have a compelling need to be awfully careful right now. You can be sure that if Apple leaked vital source code enabling these controls to be circumvented, they would be cut off at the knees. LG is already in court for having made it too easy for its users to disable CSS and Macrovision on their DVD players. It seems Mike's idea of a total boycott is appropriate. I am planning to get a small flat panel TV, Philips just dropped off my list of favoured brands and LG shot to the top. Buy from the people who are not members of this alliance to defraud you. Bill _______________________________________________ Do not post admin requests to the list. They will be ignored. Darwin-dev mailing list (Darwin-dev(a)lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/darwin-dev/site_archiver%40lists.app… This email sent to site_archiver(a)lists.apple.com

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Fwd: Protected Memory
by William Riley-Land 24 Feb '06

24 Feb '06

site_archiver(a)lists.apple.com Delivered-To: darwin-dev(a)lists.apple.com Domainkey-signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com; h=received:message-id:date:from:reply-to:sender:to:subject:in-reply-to:mime-version:content-type:references; b=B8CNJoxmsYx3f5jYkVztnKZqrVzpYzp74Z+0ORQ8o2joRjhT073TLL8UuHY9FyS4zoS4dASXAuZB//3RGm43Wfn2lVauNCXBG3BOvSEiq1vqwrHHuWrv8m010BM6q8VJXrQrvsASjtvOPOvjrdcoQNtt74Hqc4FE9NDz8GM3ZGM= _______________________________________________ Do not post admin requests to the list. They will be ignored. Darwin-dev mailing list (Darwin-dev(a)lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/darwin-dev/site_archiver%40lists.app… This email sent to site_archiver(a)lists.apple.com

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Re: usefulness of source
by David Leimbach 24 Feb '06

24 Feb '06

site_archiver(a)lists.apple.com Delivered-To: darwin-dev(a)lists.apple.com Domainkey-signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com; h=received:message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=okG/OsQlUeMzy09eAA4rM8puoADlMR5Q9gZ0oriSXlywxyvE73AiR51yNVMdb+04Zi4cdMesbU80kZbr9RqAFUA2KbdxyRfz9vo7wtPFelB3xudg55eSfjdFiqjqIDIr6Pm5F2+FrmWuTnHWqjgvEC2qJPoBtmZShmVsfUlrz2U= On 2/23/06, Bill Northcott <w.northcott(a)unsw.edu.au> wrote: > On 24/02/2006, at 7:03 AM, darwin-dev-request(a)lists.apple.com wrote: > > It makes me sad to not be back in the good old days (which > > apparently were > > even more good before I came into this picture) but time moves on, > > relationships change and the way I work with Mac OS X has as well. > > I've > > really gone back to linux and FreeBSD and other far more esoteric > > operating > > systems for my OS experimentation fun. Just as Apple seemingly > > left me > > behind, I've moved on as well. > > I think this is bit like the time that Scott McNealy said something > like "You have no privacy. Get over it." Interesting comment. I said I've moved on. I'm not happy about the result but I don't have an emotional investment in the Darwin sources either. What's any of that got to do with privacy? :) I've never believed in the illusions of privacy, protection or security... I guess that's why I'm not surprised when things actually do go horribly wrong due to natural disasters, theft, etc. Needless to say, up to here you and I are on the same page I think. I'll express my regret for the loss of the source but I'm not gonna have to change my pants over it. > > > > I still think it's a bit of a shame but Apple's a business and > > needs to do > > what they think is right for them and their stakeholders first. > > I have my suspicions that what is the core of all this is Hollywood > and the record companies, who seem to have persuaded the US > legislature to enact pernicious legislation the sole purpose of which > is to greatly increase the profits of the large multi nationals that > control entertainment. Going forward, if Apple want to continue to > produce systems that handle vision and music, they will need to have > DRM (Digital Restrictions Management) built into the core of the > system including but not limited to the kernel. Of course they have > some self-interest here: not wanting MacOS to run on ordinary PCs, > although that could probably have been done at a higher level in > proprietary code which has never been part of Darwin. I want 5 Euros (The USD sucks) of whatever you're smoking :-) > > They are presumably not going to bother with this for the PPC > hardware which is why there is no problem with those sources. > However, to release the x86 sources, they need a methodology to strip > any DRM related code out before release. This is presumably a non- > trivial task. Hence the delay. Apple don't want to be seen as having > leaked vital information for hackers. > > Ars Technica had a really good article this week berating the > computer and home entertainment industries for putting up with all > this strife from a content industry that is a fraction of their > size. After all the hardware companies could club together and go > into business making content. They could pay the artists more and > release products free of mindless DRM junk. I reckon that might > bring Hollywood into line. > > Bill Northcott > _______________________________________________ > Do not post admin requests to the list. They will be ignored. > Darwin-dev mailing list (Darwin-dev(a)lists.apple.com) > Help/Unsubscribe/Update your Subscription: > http://lists.apple.com/mailman/options/darwin-dev/leimy2k%40gmail.com > > This email sent to leimy2k(a)gmail.com > _______________________________________________ Do not post admin requests to the list. They will be ignored. Darwin-dev mailing list (Darwin-dev(a)lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/darwin-dev/site_archiver%40lists.app… This email sent to site_archiver(a)lists.apple.com

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Re: bug in gcc 4.0.1/5250/i386
by Eric Albert 24 Feb '06

24 Feb '06

site_archiver(a)lists.apple.com Delivered-To: darwin-dev(a)lists.apple.com On Feb 24, 2006, at 12:40 PM, Scott Smith wrote: Is this the right place for the bug report, or should I forward it somewhere else? Hope this helps, Eric _______________________________________________ Do not post admin requests to the list. They will be ignored. Darwin-dev mailing list (Darwin-dev(a)lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/darwin-dev/site_archiver%40lists.app… This is a fine forum for discussion, but the only way to send a bug report to Apple is to file it at <http://bugreport.apple.com/>. This email sent to site_archiver(a)lists.apple.com

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