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) 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 >
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