similar to: [LLVMdev] Debug info failing in assembler.

Interesting. File please? Thanks. On Sep 21, 2013 6:01 AM, "Richard Pennington" <rich at pennware.com> wrote: > Hi, > > I just updated from r190763 to r191137 and started getting failures in > generated assembly language when debug info is enabled. Here is the test > case: > > // Compile and run for every target. > // RUN: %ecc -g -o %t %s && %t

If it thinks the symbol is in the BSS section, then it should never have tried to use .comm to emit it I think. On x86 it does not try to mix and match, which is why it works. AFAIK comm symbols are regarded as having no section, rather than being bss, so I think it's a bug in whatever code printed that .comm statement. I'll look into this tomorrow. > Eric Christopher

In compiling perlbench in SPEC2006 today, I get the following asm code: .4byte ($debug_loc2280) .4byte 1 .4byte PerlIO_fd_refcnt $set1406 = ($.bss_end)-PerlIO_fd_refcnt .4byte ($set1406) .4byte PerlIO_perlio $set1407 = ($.data_end)-PerlIO_perlio .4byte ($set1407) .4byte ($func_begin0) $set1408 = ($.text_end)-($func_begin0) .4byte

Hey everybody! I have been using llvm 2.8 (i know ancient history!) for a backend that i was implementing. I have been trying to port my patches to latest llvm (svn build) lately but i have one problem as far as the Exception Handling mechanism is concerned. It seems that there are no Exception Tables generated any more such as the one below: .section .gcc_except_table,"a", at

John, I'm still not sure what you're talking about, I have included the assembly output from two compilations, one with a user explicit catch-all, one with only an implicit cleanup, the DWARF Action Table and Types Table are absolutely identical, as are the indexes used to reference the Action Table from the region maps. -Peter Lawrence.

On Sun, May 11, 2014 at 8:19 AM, Stephan Tolksdorf <st at quanttec.com> wrote: > Hi, > > When clang/LLVM can't prove that a noexcept function only contains > non-throwing code, it seems to insert an explicit exception handler that > calls std::terminate. Why doesn't clang leave it to the eh personality > function to call std::terminate when an exception is thrown

Hi Yiannis, > I have been using llvm 2.8 (i know ancient history!) for a backend that i was > implementing. I have been trying to port my patches to latest llvm (svn build) > lately but i have one problem as far as the Exception Handling mechanism is > concerned. It seems that there are no Exception Tables generated any more such > as the one below: got some example bitcode for

On 09/02/2011 05:58 PM, Duncan Sands wrote: > Hi Yiannis, > >> I have been using llvm 2.8 (i know ancient history!) for a backend that i was >> implementing. I have been trying to port my patches to latest llvm (svn build) >> lately but i have one problem as far as the Exception Handling mechanism is >> concerned. It seems that there are no Exception Tables generated

Hi, I am writing a function that clears the BSS section on an Cortex-M4 embedded system. The LLVM (version 3.7.0rc3) code I had wrote is : ;------------ target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n32-S64" target triple = "thumbv7em-none--eabi" @__bss_start = external global i32 @__bss_end = external global i32 define void @clearBSS () nounwind { entry:

On Jul 28, 2011, at 2:22 PM, Peter Lawrence wrote: > John, > I'm still not sure what you're talking about, I have included the assembly > output from two compilations, one with a user explicit catch-all, one with only an > implicit cleanup, the DWARF Action Table and Types Table are absolutely identical, > as are the indexes used to reference the Action Table from

Hi Yiannis, >>> I have been using llvm 2.8 (i know ancient history!) for a backend that i was >>> implementing. I have been trying to port my patches to latest llvm (svn build) >>> lately but i have one problem as far as the Exception Handling mechanism is >>> concerned. It seems that there are no Exception Tables generated any more such >>> as the one

I was told that my writeup lacked an example and details so I reproduced the code that X uses and I was able to boil down the issue to a couple of lines of code. Sorry again for the length of this email. Code was compiled on OpenBSD with clang 3.0-release. ======================================================================== With -O0 which works as X expects:

Hi, In the code below I create a small data.frame (dat) and then cut it into different groups using CutList. The lists in CutList allow to me choose whatever columns I want from dat and allow me to cut it into any number of groups by changing the lists. It seems to work OK but when I'm done I have a variable number of data frames what I need to do further operations on and I don't know

Hello I've been looking at a debuginfo issue on an out-of-tree target which uses DWARF aranges. The problem is that aranges are generated for both data and code objects, and the debugger gets confused when program addresses overlap data addresses. The target is a Harvard Architecture CPU, so the appearance of overlapping address ranges is not in itself a bug as they reside in different

Hi, I wanted to propose an IR extension that would allow us to support zero-cost exception handling for non-call operations that may trap. I wanted to start with loads and stores through a null pointer, and later we might extend this to div/rem/mod zero. This feature is obviously useful for implementing languages such as Java and Go which deterministically translate such operations into

Estimado Jesús Para Fernández En teoría es ese material, lo vi muy rápido y en la parte genética tiene cosas que biológicamente no son así, hay un libro de Falconer, Introducción a la genética cuantitativa, que tiene escrita la parte matemática, hay un abismo entre la biología y los ingenieros que se inspiran en la biología. Yo pensaba en la resolución de un problema real, aunque relativamente

Dear R-users, Does anybody know a good way to create and use several graphical devices at the same time in interactive mode? Ideally, I'd like to open 2 to 3 devices and assign names to them. This way, I could make any addition/modification/update to a particular device using its name. I did not see anything like a name argument in ?X11. Is there an alternative? Thanks in advance for your

I have a simple cdr configured with the default tables, here is a row of a good cdr report calldate | clid | src | dst | dcontext | channel | ect ..... ect .... 2008-08-29 10:16:49 | "C. BOUTON" <40> | 40 | XXXXXXXXXXX | phonesystems | SIP/40-08776938 | ect ..... ect .... I have replaced the number by

Hi Damien, Thank you. I read the rationale. Just to summarize, a user writeable chroot target is considered dangerous if: 1) the user has another way of gaining non-chrooted access to the system 2) is able to create hardlinks to setuid-binaries outside of the chroot tree 3) there are bugs somewhere that allow privilige escalation or remote execution of other programs While all these

[was: Asking hard questions about the NUT architecture] Hy Eric, 2007/5/31, Eric S. Raymond <esr at thyrsus.com>: > Arnaud Quette <aquette.dev at gmail.com>: > > doc definitely! > > As mentioned earlier, I've tried several times to start a full > > rewrite, using docbook, to produce a friendly and complete html doc. > > But the facts are that the doc