Re: [PATCH] [ARC] Allow more ABIs in GLIBC_DYNAMIC_LINKER

[Claudiu Zissulescu Ianculescu]

Done.

Thank you for your support,
Claudiu

On Thu, Apr 9, 2020 at 2:38 AM Vineet Gupta  wrote:
>
> Hi Claudiu,
>
> For glibc needs can this be backported to gcc-9 please !
>
> Thx,
> -Vineet
>
> On 3/31/20 3:06 AM, Claudiu Zissulescu Ianculescu wrote:
> > Pushed.
> >
> > Thank you,
> > Claudiu
> >
> > On Sun, Mar 29, 2020 at 2:05 AM Vineet Gupta via Gcc-patches
> >  wrote:
> >> Enable big-endian suffixed dynamic linker per glibc multi-abi support.
> >>
> >> And to avoid a future churn and version pairingi hassles, also allow
> >> arc700 although glibc for ARC currently doesn't support it.
> >>
> >> gcc/
> >> -xx-xx  Vineet Gupta 
> >> +
> >> +   * config/arc/linux.h: GLIBC_DYNAMIC_LINKER support BE/arc700
> >>
> >> Signed-off-by: Vineet Gupta 
> >> ---
> >>  gcc/ChangeLog  | 4 
> >>  gcc/config/arc/linux.h | 2 +-
> >>  2 files changed, 5 insertions(+), 1 deletion(-)
> >>
> >> diff --git a/gcc/ChangeLog b/gcc/ChangeLog
> >> index 86ad683a6cb0..c26a748fd51b 100644
> >> --- a/gcc/ChangeLog
> >> +++ b/gcc/ChangeLog
> >> @@ -1,3 +1,7 @@
> >> +2020-03-28  Vineet Gupta 
> >> +
> >> +   * config/arc/linux.h: GLIBC_DYNAMIC_LINKER support BE/arc700
> >> +
> >>  2020-03-28  Jakub Jelinek  
> >>
> >> PR c/93573
> >> diff --git a/gcc/config/arc/linux.h b/gcc/config/arc/linux.h
> >> index 0b99da3fcdaf..1bbeccee7115 100644
> >> --- a/gcc/config/arc/linux.h
> >> +++ b/gcc/config/arc/linux.h
> >> @@ -29,7 +29,7 @@ along with GCC; see the file COPYING3.  If not see
> >>  }  \
> >>while (0)
> >>
> >> -#define GLIBC_DYNAMIC_LINKER   "/lib/ld-linux-arc.so.2"
> >> +#define GLIBC_DYNAMIC_LINKER   
> >> "/lib/ld-linux-arc%{mbig-endian:eb}%{mcpu=arc700:700}.so.2"
> >>  #define UCLIBC_DYNAMIC_LINKER  "/lib/ld-uClibc.so.0"
> >>
> >>  /* Note that the default is to link against dynamic libraries, if they are
> >> --
> >> 2.20.1
> >>
> > ___
> > linux-snps-arc mailing list
> > linux-snps-arc@lists.infradead.org
> > https://urldefense.proofpoint.com/v2/url?u=http-3A__lists.infradead.org_mailman_listinfo_linux-2Dsnps-2Darc&d=DwICAg&c=DPL6_X_6JkXFx7AXWqB0tg&r=7FgpX6o3vAhwMrMhLh-4ZJey5kjdNUwOL2CWsFwR4T8&m=MrObyH2ki95_7m_xHpnWX-k9eIMOsxMuSa48qhxYOCY&s=3ggbGwaiJuSFnFECy0ItuwBBMDAcriwCdSc3GA0UFig&e=
>

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[arc:topic-zol-remove 17/17] arch/arc/include/asm/atomic.h:193:10: fatal error: asm/atomic-nps.h: No such file or directory

[kbuild test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc.git 
topic-zol-remove
head:   f99cae5917cbdb1770c80efae00095d183fe4098
commit: f99cae5917cbdb1770c80efae00095d183fe4098 [17/17] ARC: atomics: split 
off NPS bitops
config: arc-allyesconfig (attached as .config)
compiler: arc-elf-gcc (GCC) 9.3.0
reproduce:
wget 
https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O 
~/bin/make.cross
chmod +x ~/bin/make.cross
git checkout f99cae5917cbdb1770c80efae00095d183fe4098
# save the attached .config to linux build tree
GCC_VERSION=9.3.0 make.cross ARCH=arc 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kbuild test robot 

All errors (new ones prefixed by >>):

   In file included from arch/arc/include/asm/atomic.h:13,
from include/linux/atomic.h:7,
from include/asm-generic/bitops/lock.h:5,
from arch/arc/include/asm/bitops.h:426,
from include/linux/bitops.h:26,
from include/linux/kernel.h:12,
from include/asm-generic/bug.h:19,
from arch/arc/include/asm/bug.h:29,
from include/linux/bug.h:5,
from include/linux/page-flags.h:10,
from kernel/bounds.c:10:
   arch/arc/include/asm/cmpxchg.h: In function '__xchg':
   arch/arc/include/asm/cmpxchg.h:191:19: error: 'CTOP_INST_XEX_DI_R2_R2_R3' 
undeclared (first use in this function)
 191 |   : "r"(ptr), "i"(CTOP_INST_XEX_DI_R2_R2_R3)
 |   ^
   arch/arc/include/asm/cmpxchg.h:191:19: note: each undeclared identifier is 
reported only once for each function it appears in
   In file included from include/linux/atomic.h:7,
from include/asm-generic/bitops/lock.h:5,
from arch/arc/include/asm/bitops.h:426,
from include/linux/bitops.h:26,
from include/linux/kernel.h:12,
from include/asm-generic/bug.h:19,
from arch/arc/include/asm/bug.h:29,
from include/linux/bug.h:5,
from include/linux/page-flags.h:10,
from kernel/bounds.c:10:
   arch/arc/include/asm/atomic.h: At top level:
>> arch/arc/include/asm/atomic.h:193:10: fatal error: asm/atomic-nps.h: No such 
>> file or directory
 193 | #include 
 |  ^~
   compilation terminated.
   make[2]: *** [scripts/Makefile.build:99: kernel/bounds.s] Error 1
   make[2]: Target '__build' not remade because of errors.
   make[1]: *** [Makefile:1113: prepare0] Error 2
   make[1]: Target 'prepare' not remade because of errors.
   make: *** [Makefile:179: sub-make] Error 2
   17 real  3 user  5 sys  51.29% cpu   make prepare

vim +193 arch/arc/include/asm/atomic.h

   192  
 > 193  #include 
   194  

---
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