search for: brenda

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2018 Jan 04
3
LLVM IR Debugger
...ld like to try implementing one myself. By debugger, I think it means something like gdb, where you can insert breakpoints, run code and observe layout of registers and memory at certain periods of time. If anyone has suggestions as to how this IR debugger should work please let me know. Thanks! Brenda -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.llvm.org/pipermail/llvm-dev/attachments/20180103/9418392f/attachment.html>
2018 Apr 02
1
Custom Binary Format Challenges
...47;2010/04/intro-to-llvm-mc-project.html http://www.keystone-engine.org/ https://www.capstone-engine.org/ In fact, I'm also looking for something similar -- to be able to specify the machine instructions base solely on the IR. If you found anything let me know! Brenda On Sun, Apr 1, 2018 at 5:39 PM, Jeremy Lakeman <Jeremy.Lakeman at gmail.com> wrote: > If you can write what you want to output in C with asm statements, clang > can show you what the IR should look like. > > On Mon, Apr 2, 2018 at 7:35 AM, Kenneth Adam Miller via llvm-dev < &...
2018 Apr 01
2
Custom Binary Format Challenges
...in it and pass it as an argument to the function that calculates an ordinal from it. I think that there must be some way to use the bitcode language to place byte values at a designated offset. Or use the command line to specify the section and offset for the data. On Sun, Apr 1, 2018 at 6:00 PM, Brenda So <sogun3 at gmail.com> wrote: > Hi Kenneth, > > Can you elaborate what you mean by instruction pointer value? Like the > actual instruction with opcode and operands? With the sample code that I > showed you, the instrucrtion pointer in the innermost for loop will have > a...
2018 Apr 02
0
Custom Binary Format Challenges
...ment to the function that calculates an ordinal from it. > > I think that there must be some way to use the bitcode language to place > byte values at a designated offset. Or use the command line to specify the > section and offset for the data. > > On Sun, Apr 1, 2018 at 6:00 PM, Brenda So <sogun3 at gmail.com> wrote: > >> Hi Kenneth, >> >> Can you elaborate what you mean by instruction pointer value? Like the >> actual instruction with opcode and operands? With the sample code that I >> showed you, the instrucrtion pointer in the innermost f...
2018 Apr 01
2
Custom Binary Format Challenges
Thank you so much! What about discovering the instruction pointer value? Also, does anybody know how to embed an artifact as a resource in a binary? I'd like to have two text sections, and have one copied in from another binary. On Sun, Apr 1, 2018 at 2:15 PM, Brenda So <sogun3 at gmail.com> wrote: > Hi, > > You can write it as if you are writing an optimization pass: > http://llvm.org/docs/ProgrammersManual.html > > It sounds like your highest level is a module, hence you should write a > module pass. There is exampl...
2018 Jan 04
0
LLVM IR Debugger
...ow the executable into any debugger and get llvm level debugging. I've started a patch to revive this feature (DebugIR pass). I've been sidetracked the past month, but I'll come back to it soon :) https://reviews.llvm.org/D40778 Cheers, Siddharth On Thu 4 Jan, 2018, 09:23 Brenda So via llvm-dev, <llvm-dev at lists.llvm.org> wrote: > Hi > > I am looking at open projects that LLVM want to implement and it seems to > be a suggestion to write an LLVM IR level debugger. Is there any existing > LLVM projects out there that already does such a thing? If not,...
2018 Apr 01
0
Custom Binary Format Challenges
...access to the following functions: http://llvm.org/doxygen/classllvm_1_1Instruction.html Alternatively, you can use the dump() operation to dump the instructions out. Unfortunately I don't know how to address your second question. That's stretching my knowledge in LLVM. Brenda On Sun, Apr 1, 2018 at 11:32 AM, Kenneth Adam Miller < kennethadammiller at gmail.com> wrote: > Thank you so much! > > What about discovering the instruction pointer value? > Also, does anybody know how to embed an artifact as a resource in a > binary? I'd like to have t...
2009 Apr 02
2
Method to permit ssh while denying sftp
Is there a way to permit ssh sessions while denying sftp with openssh 3.8? In openssh 4.4+ this is possible using the Match directive with Force Command but I don't know how to configure this in older versions. Thanks in advance for any guidance. Brenda
2018 Apr 16
2
Question concerning llvm::BlockAddress class
...that one can only obtain the virtual memory address after linking the object files together. So how would the BlockAddress class help me when it's working on the IR level? If BlockAddress class is not the way to go, is there another api function that I can use to obtain the addresses? Thanks! Brenda -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.llvm.org/pipermail/llvm-dev/attachments/20180416/b6a047c8/attachment.html>
2018 Jan 04
2
LLVM IR Debugger
...k (on a high level)? A high level explanation will help me understand what you've done better. >From first glance, my idea is slight different because your code interfaces with gdb and lldb while i'm more interested in making the debugger itself (sort of an extended interpreter). Yours, Brenda On Thu, Jan 4, 2018 at 12:32 AM, Siddharth Bhat <siddu.druid at gmail.com> wrote: > You can attach debug info to the Llvm module about LLVM IR, at which point > one can throw the executable into any debugger and get llvm level debugging. > > I've started a patch to revive th...
2018 Apr 16
0
Question concerning llvm::BlockAddress class
On Mon, Apr 16, 2018 at 04:14:03PM -0400, Brenda So via llvm-dev wrote: > Hi all, > > I have a question concerning block address class in LLVM. I am currently > working on a project where I need to obtain and manipulate basic block virtual > addresses. I was searching the web and found the llvm::BlockAddress class ( > http:/...
2018 Mar 15
1
[GSoC 2018] Integrate with Z3 SMT solver to reduce false positives.
...z3 is already incorporated: https://github.com/llvm-mirror/clang/blob/master/lib/StaticAnalyzer/Core/Z3ConstraintManager.cpp I guess my question is, what would the project contribute on top of the z3 manager that is currently implemented for LLVM? Thanks! Brenda -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.llvm.org/pipermail/llvm-dev/attachments/20180314/d594e46f/attachment.html>
2006 Dec 20
1
Concerning IP over ATM & IP over Ethernet.
Hi there.I''m Brenda from the Australia,I wanna work on a project relating to VOIP QoS.I wanna evaluate IP over ATM against IP over Ethernet on the following parameters relating to voice and video traffic; bandwidth consumption packet loss packet delay(latency) jitter traffic thoroughput Is this project feasible?Can...
2018 Apr 01
0
Custom Binary Format Challenges
...y easy with the linked guide. (instead of inheriting from Function Pass you can inherit frmo module pass) Afterwards, you can build your new pass against your LLVM source code and run it using the opt functionality. Hope I didn't misunderstood your question -- if you have anymore let me know! Brenda On Sun, Apr 1, 2018 at 1:48 PM, Kenneth Adam Miller via llvm-dev < llvm-dev at lists.llvm.org> wrote: > Hello, > > > I hope you are all doing well and thanks in advance. I need to program a > transformation of a set of llvm bitcode to have some various techniques > wov...
2018 Apr 01
2
Custom Binary Format Challenges
Hello, I hope you are all doing well and thanks in advance. I need to program a transformation of a set of llvm bitcode to have some various techniques woven in. In particular, I need to resolve a given computed target address to one of several in the same way that the function of a dynamic library is resolved, but I need this resolution to happen in the binary target of my choice where I tell
2011 Nov 26
2
Bug#646987: /usr/bin/xinit: xinit fails with xkbcomp could not be invoked
The function that returns ENOMEM is actually copy_mm. It returns ENOMEM when dup_mm returns 0. copy_mm receives clone_flags and task_struct * tsk. I think tsk is pointing to the new task (the process being forked). copy_mm assigns some values into *tsk, then: tsk->mm = NULL; tsk->active_mm = NULL; then we check if current process has ->mm; if not, return 0 (effectively
2018 Jan 01
0
Is there a python binding, or any other script binding, that has access to individual instructions?
Hi Yuri, When you say code analysis, do you mean checking from source code itself, the intermediate representation, the assembly instructions or the binary? Brenda On Mon, Jan 1, 2018 at 1:26 AM, Yuri via llvm-dev <llvm-dev at lists.llvm.org> wrote: > There is llvmlite http://llvmlite.readthedocs.io/en/latest/ , but it > doesn't seem to support reading individual instructions, based on these > docs. > > > I wa...
2018 Jan 01
5
Is there a python binding, or any other script binding, that has access to individual instructions?
There is llvmlite http://llvmlite.readthedocs.io/en/latest/ , but it doesn't seem to support reading individual instructions, based on these docs. I was thinking to make a simple code analysis tool to, for example, find all system calls that have unchecked return codes, but I can't find a binding for any scripting language. And I am averse to writing this in C++.
2018 Jan 04
0
LLVM IR Debugger
On 4 January 2018 at 07:11, Brenda So via llvm-dev <llvm-dev at lists.llvm.org> wrote: > interesting ... just curious, why did they delete "-debug-ir" to begin with ? The metadata describing the information debuggers need (line numbers, variable locations and so on) was evolving rapidly at the time I think. The -...
2003 Sep 19
1
VoiceMail fromstring?
...specified, a message will be sent when a message is ; received, to the given mailbox. If pager is specified, a message will be sent there as well. ; [default] 100 => XXXX,Ben Bloomberg,ben@benbloomberg.com,tz=eastern 101 => XXXX,Kiki Bloomberg,bphilips@ecs.umass.edu,tz=eastern 201 => XXXX,Brenda Philips,bphilips@ecs.umass.edu,tz=eastern 202 => XXXX,David Bloomberg,dbloomberg@northamptonlaw.com,tz=eastern 300 => XXXX,Rosalind Philips 301 => XXXX,Lisa Philips 302 => XXXX,Glenda Philips 303 => XXXX,Owen Hooks-Davis,owen@hdnl.benbloomberg.com ==================== Thanks