On Mon, 3 Apr 2017 17:20:32 +0300 "Dmitry V. Levin" <l...@altlinux.org> wrote:
> On Mon, Apr 03, 2017 at 05:06:02PM +0300, Edgar Kaziahmedov wrote: > > On Mon, 3 Apr 2017 15:46:03 +0300, Dmitry V. Levin wrote: > > > On Mon, Apr 03, 2017 at 02:35:17PM +0200, Eugene Syromiatnikov > > > wrote: > > > > On Sun, Apr 02, 2017 at 04:29:36AM +0300, Edgar Kaziahmedov > > > > wrote: > > > > > https://github.com/edosedgar/xs-pkg/blob/master/proposal.txt > > > > > > > > The other thing (besides syscallents.h) I think might useful to > > > > leverage is the current syscall filtering mechanism, so it > > > > would be possible to check out which system calls are filtered > > > > by the provided filtering expression, like "-e > > > > info=0,write,%sched -e info=!file". > > > > > > Yet, this information is stored in syscallent.h files. > > An actually, I think I will be able to implement the basic > > processing of filtering expressions in this program. > > > > > > > Note also that syscall number does depend on leveraged > > > > personality (and the way syscall is called on some > > > > architectures, like x86_64). > > > > > > This is something we might want to be able to filter in the > > > future. > > Yes, I suppose that the first release of this program will be quite > > draft and support just x86_64 and it will be time to think about > > some layer between all archs and the main layer of asinfo tool. > > > > > > > Also I do not see much sense in separating this code into a > > > > separate executable (after leveraging both syscallents and > > > > qualify code). > > > > > > Imagine the tool includes all syscallent.h files to support all > > > architectures. > > > > > In the short time available, should I add this feature to > > proposal? > > iirc, the final edition of proposal cannot be changed. > > Let's just note that support of all architectures in a single binary > might be a good idea for this project. For example, ausyscall(8) can > be built with support of many architectures enabled. > > It's possible, I have got one and a half hour to do it. I do say that it is a good idea, I mean, that the first version supporting one arch will be extended. To date, as you said, the task means literally to unit all syscallent.h files in linux/any-arch/ folders. Regards, Edgar Kaziakhmedov
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