[LLVMdev] using just llvm/clang for building mips llvm

[reed kotler]

rkotler at mipsswbrd002:~/richard/ellcc/bin$ uname -a
Linux mipsswbrd002 2.6.32.13-Cavium-Octeon #1 SMP Thu Nov 8 18:12:33 PST 
2012 mips64 GNU/Linux
rkotler at mipsswbrd002:~/richard/ellcc/bin$ cat /proc/version
Linux version 2.6.32.13-Cavium-Octeon (bkirby at mipssw006) (gcc version 
4.3.3 (Cavium Networks Version: 2_0_0 build 95) ) #1 SMP Thu Nov 8 
18:12:33 PST 2012
rkotler at mipsswbrd002:~/richard/ellcc/bin$

On 03/27/2014 04:00 PM, Richard Pennington wrote:
> On 03/27/2014 06:01 PM, reed kotler wrote:
>> Geting a seg fault. Have not investigted the cause.
>>
>> rkotler at mipsswbrd002:~/richard$ tar vfxz 
>> ~/Downloads/ellcc-mips-linux-2014-Mar-24-07-32-26.tgz
>>
>> rkotler at mipsswbrd002:~/richard/ellcc/bin$ gdb ./ecc
>> GNU gdb (GDB) 7.4.1-debian
>> Copyright (C) 2012 Free Software Foundation, Inc.
>> License GPLv3+: GNU GPL version 3 or later 
>> <http://gnu.org/licenses/gpl.html>
>> This is free software: you are free to change and redistribute it.
>> There is NO WARRANTY, to the extent permitted by law.  Type "show 
>> copying"
>> and "show warranty" for details.
>> This GDB was configured as "mips-linux-gnu".
>> For bug reporting instructions, please see:
>> <http://www.gnu.org/software/gdb/bugs/>...
>> Reading symbols from /home/rkotler/richard/ellcc/bin/ecc...done.
>> (gdb) run
>> Starting program: /home/rkotler/richard/ellcc/bin/ecc
>>
>> Program received signal SIGSEGV, Segmentation fault.
>> 0x02ee15dc in __init_tls ()
>> (gdb) bt
>> #0  0x02ee15dc in __init_tls ()
>> #1  0x02ebde44 in __init_libc ()
>> #2  0x02ebdebc in __libc_start_main ()
>> #3  0x00416ac4 in _start ()
>> (gdb)
>>
>>
>> rkotler at mipsswbrd002:~/richard/ellcc/bin$ ls
>> FileCheck      ecc-c++filt   ecc-ld.bfd   ecc-size ppc-elf-as
>> arm-elf-as     ecc-elfedit   ecc-nm      ecc-strings ppc64-elf-as
>> ecc           ecc-embedspu  ecc-objcopy  ecc-strip sparc-elf-as
>> ecc++           ecc-gdb         ecc-objdump  i386-elf-as x86_64-elf-as
>> ecc-addr2line  ecc-gprof     ecc-ranlib   microblaze-elf-as
>> ecc-ar           ecc-ld         ecc-readelf  mips-elf-as
>> rkotler at mipsswbrd002:~/richard/ellcc/bin$ ./ecc
>> Segmentation fault
>> rkotler at mipsswbrd002:~/richard/ellcc/bin$ ./ecc-ar
>> Segmentation fault
>> rkotler at mipsswbrd002:~/richard/ellcc/bin$
>
> Ah. Ignore my other email.
>
> This build is using musl as the standard C library. It looks as if 
> initializing TLS is failing. I'll look into that.
> What is the version of your Linux kernel?
>
> Thanks for trying it out, though.
>
> By the way, these binaries are all statically linked to libc++, 
> libc++abi, musl, and compiler-rt.
>
> -Rich