similar to: [LLVMdev] how to use the shadow-stack?

Hi, If I type define i32 @main() gc "shadow-stack" { entry: %0 = alloca i8* %1 = call i8* @malloc(i64 1) store i8* %1, i8** %0 call void @llvm.gcroot(i8** %0, i8* null) ret i32 0 } declare i8* @malloc(i64) declare void @llvm.gcroot(i8**, i8*) nounwind in test.ll and then do > llc test.ll > gcc test.s I get the error ld: in

The linker is going off in the weeds trying to parse the dwarf unwind info. The CIE has: Leh_frame_common_begin0: .long 0 ## CIE Identifier Tag .byte 1 ## DW_CIE_VERSION .asciz "zLR" ## CIE Augmentation .byte 1 ## CIE Code Alignment Factor .byte 120 ## CIE Data Alignment

This is an interesting problem. The GC code is being converted into 'invokes' instead of calls: define i32 @main() gc "shadow-stack" { entry: %gc_frame = alloca %gc_stackentry.main %gc_currhead = load %gc_stackentry** @llvm_gc_root_chain %gc_frame.map = getelementptr %gc_stackentry.main* %gc_frame, i32 0, i32 0, i32 1 store %gc_map* getelementptr inbounds (%gc_map.0*

Hi Bill, > However, there isn't a personality function associated here. This conflicts with the fact that there's an LSDA associated with the function. It's not really feasible that there would be an LSDA but no personality function. GCC recently added support for this, i.e. a situation in which there are only cleanups to be run: it uses the C personality function even if the

No matter how I try, I can't seem to get a library profile from sprof on CentOS5. Does anyone know if sprof actually works on CentOS5? I'd be very interested to hear if anyone is using it successfully. At the moment I'm trying something like this to get the dump: LD_LIBRARY_PATH=. LD_PROFILE=libmy.so ./mymain where libmy.so is the library I want to profile, and mymain is the

Hi, I need to scan some files, and then do a boxplot graph of them. I also save the output from the boxplot function, so I can process the data later. For example, I need to scan 2 (it can be x, 0<x) files here. A<-scan(F1)/100; B<-scan(F2)/100; Now let's try graph it. N1 is the label for F1, and so on. bitmap(file=Name, type="png16m")

Hi, This is Crystal. I have some questions about llvm-gcc. Could you please give me some advice? Thanks in advance. Problem description: Env: llvm-gcc (GCC) 4.2.1 gcc (GCC) 4.1.2 OS:fedora7 I tried to compile a C programme test.c with llvm-gcc by task: [root at localhost mylib]# llvm-gcc -emit-llvm test.c -Llibmylib.a -c -o test.bc [root at localhost mylib]# lli test.bc after running the command

Greetings, I am attempting to use R throug PL/R in PostgreSQL to make several graphs (they show usage over time for radiochannels). However, as some never go above 100 in a 24 hour period, and others go well over 500, they get different y-axis values (which normally would be a good thing). However, as I want to overlay the graphs to add/remove channels in CSS on a webpage, I need a set y-axis.

Hello, I 'd like to use some functions in myLib. So I do: library(myLib) Then I get this message: Error: package 'myLib' is not installed for 'arch=i386' > sessionInfo() R version 2.13.2 (2011-09-30) Platform: i386-pc-mingw32/i386 (32-bit) locale: [1] LC_COLLATE=French_France.1252 LC_CTYPE=French_France.1252 LC_MONETARY=French_France.1252 LC_NUMERIC=C

I am using the .Call interface to call c++ code from R. For that, I am trying to create a dynamic library (mylib.so) using "R CMD SHLIB" by linking my own c++ code and an external c++ library (blitz++). The makefile works fine on my Mac, produces mylib.so and I am able to call .Call() from R, but on a linux server (I think Debian), I got the following error: ---------- /usr/bin/ld:

I am using the .Call interface to call c++ code from R. For that, I am trying to create a dynamic library (mylib.so) using "R CMD SHLIB" by linking my own c++ code and an external c++ library (blitz++). The makefile works fine on my Mac, produces mylib.so and I am able to call .Call() from R, but on a linux server (I think Debian), I got the following error: ---------- /usr/bin/ld:

hi all, i posted a question before about this, but i may have been too cryptic to understand. in short, there exists an R package that someone is writing. this package depends on a custom library (written in C,), compiled as a shared, and called by the package's functions via the .Call(...) method. we are testing out different code implementations of the compiled library functions, and thus

Hello, I'm trying to install R from sources on two Linux machines (both with Suse 12.2): 1. > uname -a Linux cs-wsok 3.4.6-2.10-desktop #1 SMP PREEMPT Thu Jul 26 09:36:26 UTC 2012 (641c197) x86_64 x86_64 x86_64 GNU/Linux 2. > uname -a Linux csltok.swansea.ac.uk 3.4.6-2.10-desktop #1 SMP PREEMPT Thu Jul 26 09:36:26 UTC 2012 (641c197) x86_64 x86_64 x86_64 GNU/Linux I am trying version

Dear R users, we are trying to build a R package that includes a precompiled shared library, let's say mylib.so. We created the skeleton of the package and we moved the mylib.so file into the libs folder that we created at the same level of the folders man and R. Moreover we created the file NAMESPACE and we added the line useDynLib(mylib, .registration=TRUE). The building step seems to work

Hi, Standard approach to profiling dynamically loaded libraries with gprof doesn't seem to work with LLVM: export LD_PROFILE=Mylib.so export LD_PROFILE_OUTPUT=. make ENABLE_PROFILING=1 // compiling my project opt -load Profile/Mylib.so -options... but no Mylib.so.profile (or gmon.out) is produced. Profiling libc.so.6 usage by "ls -l", however, works fine. Could anyone explain

Dear R users, we are trying to build a R package that includes a precompiled shared library, let's say mylib.so. We created the skeleton of the package and we moved the mylib.so file into the libs folder that we created at the same level of the folders man and R. Moreover we created the file NAMESPACE and we added the line useDynLib(mylib, .registration=TRUE). The building step seems to work

hi, i'm having some trouble getting a package to load a shared library object in .onLoad(...) i have a shared object file, say "mylib.so". if i start an R session, and via the CLI specify the actual library via: > dyn.load("mylib.so") everything works quite well (i.e. i can then follow with some .Call (...) methods) now, i'd like to include this shared library in

I am only reporting this because it is the current release branch and not devel. R-2.13 from svn revision 55957 builds fine, but fails make check. This happened with a fresh svn checkout 12 hours ago and it still happens as of now. Two days ago I could build R-2.13 and it passed make check on the same system, so I doubt it is a system problem. But just in case my system details are a fresh

Hello, I've been using R for about 3 years now and I'm pretty sure this is a bug. I'm using R 2.2.0. The way R is set up to get packages from CRAN using install.packages is really convenient --- if you are installing to your system's main package directory. However, I observe the following problem: I want package X but it requires package Y. Further, I have neither package

Hi all, I'm having some problems in loading libraries. I wonder if anyone can help me with this. I have created two libraries with the same name at different locations. I want to use both of them, one at a time. So I do: library(mylib,lib.loc1) (....) detach('package:mylib') library(mylib,lib.loc2) The problem is that, after this, the used library is still the one first loaded.