On Thu, 30 Apr 2020 at 15:56, suyash singh <suyashsingh...@gmail.com> wrote:
> after adding -v > https://hastebin.com/epijunegix.coffeescript > > with sparc-unknown-elf > https://hastebin.com/ijohidofus.coffeescript > > (target getting an extra unknown for some reason) > > riscv64-unknown-elf > https://hastebin.com/jirusidoti.sql > different error: unknown register name (maybe because erc32 bsp with > riscv) > Yes, you need to run that on an RTEMS riscv BSP and not sparc sources > > On Thu, Apr 30, 2020 at 8:08 PM Hesham Almatary <heshamelmat...@gmail.com> > wrote: > >> >> >> On Thu, 30 Apr 2020 at 15:21, suyash singh <suyashsingh...@gmail.com> >> wrote: >> >>> I think it doesn't support sparc backend although it does not give >>> unknown target error. >>> >>> I compiled this c program with >>> export PATH=$HOME/quick-start/rtems/5/bin:"$PATH" >>> clang -target sparc-unknown-rtems5 test1.c >>> >> Can you add -v to that command and post the output? Also try with >> sparc-unknown-elf. Last thing to try is to do the same for >> riscv64-unknown-elf >> >>> >>> *test1.c* >>> int main(int argc, char **argv) { >>> int k = 0x7fffffff; >>> k += argc; >>> return 0; >>> } >>> >>> same error >>> /usr/bin/as: unrecognized option '-Av8' >>> clang-11: error: assembler command failed with exit code 1 >>> >>> If i write >>> clang -target hello test1.c >>> error: unknown target triple 'hello', please use -triple or -arch >>> >>> So I guess it is detecting sparc but not working with it >>> >>> On Thu, Apr 30, 2020 at 7:07 PM Hesham Almatary < >>> heshamelmat...@gmail.com> wrote: >>> >>>> >>>> >>>> On Thu, 30 Apr 2020 at 14:18, suyash singh <suyashsingh...@gmail.com> >>>> wrote: >>>> >>>>> >>>>> I am using ubuntu 18.04 terminal >>>>> >>>>> Here's the python script I wrote to find all include files and run >>>>> clang -fsanitize >>>>> >>>>> # run with python3 in terminal >>>>> >>>>> import subprocess >>>>> import os >>>>> >>>>> relativedir="../bsps/sparc/erc32/btimer" >>>>> directory=os.path.join(os.getcwd(),"../") >>>>> file="btimer.c" >>>>> root_dir="ubsan" >>>>> >>>>> arr=['clang','-target','sparc','- >>>>> >>>> target needs to be sparc-unknown-rtems5 to pick up the correct tools. >>>> Does your clang support sparc backend? Can you try to compile and link some >>>> simple C program with it? >>>> >>>> >>>>> fsanitize=undefined',"-I../../../../../../rtems/5/sparc-rtems5/erc32/lib/include","-I../../../../../../rtems/5/sparc-rtems5/include/"] >>>>> >>>>> for path, subdirs, files in os.walk(directory): >>>>> for subdir in subdirs: >>>>> if(subdir=="include"): >>>>> includepath=os.path.join(path,subdir) >>>>> idx=includepath.find("..") >>>>> arr.append("-I../../../../"+includepath[idx+3:]) >>>>> arr.append(file) >>>>> subprocess.run(arr,cwd=relativedir, stdout=subprocess.PIPE) >>>>> #result=subprocess.run(['./a.out'],cwd=relativedir, >>>>> stdout=subprocess.PIPE) >>>>> >>>>> On Thu, Apr 30, 2020 at 6:44 PM Hesham Almatary < >>>>> heshamelmat...@gmail.com> wrote: >>>>> >>>>>> >>>>>> >>>>>> On Thu, 30 Apr 2020 at 13:51, Joel Sherrill <j...@rtems.org> wrote: >>>>>> >>>>>>> >>>>>>> >>>>>>> On Thu, Apr 30, 2020 at 7:34 AM suyash singh < >>>>>>> suyashsingh...@gmail.com> wrote: >>>>>>> >>>>>>>> Hello, >>>>>>>> I was running clang UBSan on >>>>>>>> bsps/sparc/erc32/btimer/btimer.c >>>>>>>> >>>>>>>> and got error >>>>>>>> >>>>>>>> /usr/bin/as: unrecognized option '-Av8' >>>>>>>> clang-11: error: assembler command failed with exit code 1 >>>>>>>> >>>>>>>> I am not sure but is it because clang is using wrong assembler? >>>>>>>> >>>>>>> >>>>>>> I haven't seen anyone run into this in a long time. :) >>>>>>> >>>>>>> In this case, it is likely one of two things: >>>>>>> >>>>>>> + Look at your $PATH. Make sure the RTEMS tools are first. >>>>>>> >>>>>>> + But in your case, I expect that it is because the clang didn't >>>>>>> know (somehow) to put the target name in front of the as. >>>>>>> Did you invoke it for sparc-rtems5? If so, then there is a >>>>>>> path through clang where it isn't looking at the target name. >>>>>>> >>>>>> That’s likely to be the problem. I expect Suyash isn’t cross >>>>>> compiling with clang. >>>>>> >>>>>> >>>>>>> I also double checked the as manual to ensure -Av8 was in >>>>>>> fact a sparc option. >>>>>>> >>>>>>> --joel >>>>>>> >>>>>>>> >>>>>>>> >>>>>>>> _______________________________________________ >>>>>>>> devel mailing list >>>>>>>> devel@rtems.org >>>>>>>> http://lists.rtems.org/mailman/listinfo/devel >>>>>>> >>>>>>> _______________________________________________ >>>>>>> devel mailing list >>>>>>> devel@rtems.org >>>>>>> http://lists.rtems.org/mailman/listinfo/devel >>>>>> >>>>>> -- >>>>>> Hesham >>>>>> _______________________________________________ >>>>>> devel mailing list >>>>>> devel@rtems.org >>>>>> http://lists.rtems.org/mailman/listinfo/devel >>>>> >>>>> -- >>>> Hesham >>>> >>> -- >> Hesham >> > -- Hesham
_______________________________________________ devel mailing list devel@rtems.org http://lists.rtems.org/mailman/listinfo/devel
