similar to: [LLVMdev] JIT and security

On Oct 18, 2009, at 1:46 PM, Oleg Knut wrote: > Hello, > > I'm writing JIT compiler that will run a third party code. My goal is > to build it with security layer that will allow me to prevent some > basic operation that possibly can harm JIT application host computer. > > Maybe some of you can guide me on how to do following operations: > 1) prevent system calls >

2009/10/18 Oleg Knut <oleg77 at gmail.com>: > Maybe some of you can guide me on how to do following operations: >  1) prevent system calls >  2) memory allocation management (set some limits that can't be used > by JIT) >  3) CPU power limiting Hi Oleg, This is totally system dependent, it'd be *very* hard to do it multi-platform. On Unix, a good part of it is

Thank you very much for you help, Renato! I read through paper you referred and also this document - http://llvm.org/docs/tutorial/JITTutorial1.html Following these instructions to create successful function I run into some problems: 1) llvm::getGlobalContext() does not exists anymore? "llvm/LLVMContext.h" too? 2) creating instance of IRBuilder don't require template (from tutorial

Hello, I have a simple question. How to create "dummy" function which will have no functionality behind (return nothing and do nothing)? Currently I'm trying to do this: llvm::Constant* c = Module.getOrInsertFunction("dummy", FunctionThatNeedsToBeReplaced.getFunctionType()); llvm::Function* dummy = llvm::cast<llvm::Function>(c); This way I create new function that

What exactly is M in that code you posted? Oleg Knut wrote: > > Thank you very much for you help, Renato! > > I read through paper you referred and also this document - > http://llvm.org/docs/tutorial/JITTutorial1.html > > Following these instructions to create successful function I run into > some problems: > 1) llvm::getGlobalContext() does not exists anymore?

2009/11/5 Oleg Knut <oleg77 at gmail.com>: > Hello, > I have a simple question. How to create "dummy" function which will > have no functionality behind (return nothing and do nothing)? > Currently I'm trying to do this: > > llvm::Constant* c = Module.getOrInsertFunction("dummy", > FunctionThatNeedsToBeReplaced.getFunctionType()); >

Probably you missed to install llvm-dev package with headers for llvm. 2010/1/4 Russell Wallace <russell.wallace at gmail.com> > Hi all, > > I've started work on a new programming language for which I am > considering using LLVM as the backend, and trying to experiment with > it using the Kaleidoscope demo compiler. > > Taking the full source listing from >

Hi all, I've started work on a new programming language for which I am considering using LLVM as the backend, and trying to experiment with it using the Kaleidoscope demo compiler. Taking the full source listing from http://llvm.org/docs/tutorial/LangImpl3.html#code and trying to compile it with the provided instructions gives me the following errors: a at a-desktop:~$ g++ -g -O3 toy.cpp

What is the maximum speed for download from a samba share? I have a 100 kbit/s Internet The maximum speed for a download from my  webserver with samba is about 25.000 kbit/s The bottleneck is the samba access.  Without samba  I can download with 100 kbit/s So the question? is it possible to get more speed or is this the maximum speed with samba? I tried a lot of hints for samba tuning but

> Limiting the linux-server's max cpu-speed had > the most affect on performance: > (limited to 1.6GHz instead of 2.4GHz) (33% limitation) The server is equipped with an 6 core / 12 tread 3.6 GHz CPU (Intel Core i7-980x   and  a Raid 10 Disk array. The cpu is 90% idle (including webserver traffic and mailserver traffic) during downloads. There is no encryption because the samba VM

Hello, I'd like to ask, how to adjust the space between symbol/line and text in a legend. My legend() is build like that legend(xmax-netzdiff/11, # shouldn't matter here ifelse(ydiff>=0, # ymin-6.5*(netzdiff/11), # ymax-netzdiff/11), # c("stehender Stamm","Windwurf",

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 because of strange reasons my notebook sometimes crashes short after startup (but that's not ext3's fault, maybe mem?, when i wait several minutes it works without problems) the problem is that after 3 crashes at startup, when my notebook finally worked i got the msg: Sep 23 23:29:17 blackbox kernel: EXT3-fs warning (device ide0(3,3)):

On Wed, Nov 11, 2015 at 10:41 AM, Daniel Berlin <dberlin at dberlin.org> wrote: > On Wed, Nov 11, 2015 at 10:32 AM, Reid Kleckner <rnk at google.com> wrote: > >> I think the idea is to model the intrinsic as a normal external function >> call: >> > - Can read/write escaped memory >> > - Escapes pointer args >> - Functionattrs cannot infer

I think the idea is to model the intrinsic as a normal external function call: - Can read/write escaped memory - Escapes pointer args - Functionattrs cannot infer anything about it - Returns a pointer which may alias any escaped data It's obvious how this works at the IR level, but I'm not sure what would happen in the backend. If you compile the intrinsic to nothing but a virtual

Hi, I use ks.test or lillie.test to verify a normal distribution. It's performed for a group My users use SigmaStat software and a One Way ANOVA on several groups In the result page there is a probability value to determine if Normality test is failed or passed So, how can i retrieve this probability value on several groups? Is there another function in R to verify normality on several

On Wed, 11 Nov 2015 11:13:43 -0800, Daniel Berlin via llvm-dev wrote: <snip for gmane> > Heck, i could even reason about inline asm if i wanted to ;-). > > My point is that this call is super special compared to all other > calls, > and literally everything in LLVM has to understand that. > The liklihood of subtle bugs being introduced in functionality (IE >

Hi to all I need a string like temp <- paste("m1","m2","m3",sep=",") But i must know how many items are in the string,afterwards the other option would be to use a vector temp <- c("m1","m2","m3") No problem to get the count of items but I must get afterwards the string "m1,m2,m3" No problem to build the

Hi to all, test <- data.frame("X"=c(1:4),"Y"=c(5:8),"Z"=c(8:11)) test <- test[,-2] Is there a way to specify the col name "Y" to delete instead the number? Kind regards Knut

Is there any function to show the points like this example of SPSS? http://biostatistic.de/temp/reg.jpg The point size should represent the number of data at this point. with regards Knut Krueger

Hi to all, does anybody knows whether there is a package to plot those http://www.equine-science.de/temp/graph.jpg graphs. the thickness of the points and/or the lines should be represent the numbers of behaviours With kind regards Knut