Re: [linux-next:master 3035/6048] sh4-linux-nm: 'drivers/soc/litex/litex_soc_ctrl.o': No such file

From: Rong Chen <rong.a.chen@intel.com>
To: Souptick Joarder <jrdr.linux@gmail.com>,
	kernel test robot <lkp@intel.com>
Cc: Gabriel Somlo <gsomlo@gmail.com>,
	kbuild-all@lists.01.org,
	Linux Memory Management List <linux-mm@kvack.org>,
	Stafford Horne <shorne@gmail.com>
Subject: Re: [linux-next:master 3035/6048] sh4-linux-nm: 'drivers/soc/litex/litex_soc_ctrl.o': No such file
Date: Mon, 8 Feb 2021 14:29:05 +0800	[thread overview]
Message-ID: <c8621853-0ef9-62c4-65fb-20a52f13ba34@intel.com> (raw)
In-Reply-To: <CAFqt6zbK-t6XNofOTKLCVT+X_tiwXHmh9i1E=qvQy-3fqyj-sA@mail.gmail.com>



On 1/28/21 12:05 PM, Souptick Joarder wrote:
> On Tue, Jan 26, 2021 at 8:46 AM kernel test robot <lkp@intel.com> wrote:
>> tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
>> head:   59fa6a163ffabc1bf25c5e0e33899e268a96d3cc
>> commit: 9d93a9e8aab3f82b6742dd034a6a81d4025cd82e [3035/6048] drivers/soc/litex: move generic accessors to litex.h
>> config: sh-randconfig-r025-20210125 (attached as .config)
>> compiler: sh4-linux-gcc (GCC) 9.3.0
>> reproduce (this is a W=1 build):
>>          wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
>>          chmod +x ~/bin/make.cross
>>          # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=9d93a9e8aab3f82b6742dd034a6a81d4025cd82e
>>          git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
>>          git fetch --no-tags linux-next master
>>          git checkout 9d93a9e8aab3f82b6742dd034a6a81d4025cd82e
>>          # save the attached .config to linux build tree
>>          COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=sh
>>
>> If you fix the issue, kindly add following tag as appropriate
>> Reported-by: kernel test robot <lkp@intel.com>
>>
>> All errors (new ones prefixed by >>):
>>
>>>> sh4-linux-nm: 'drivers/soc/litex/litex_soc_ctrl.o': No such file
> This file exists and required are also enabled.

Hi Souptick,

The issue is related to ARCH sh if ftrace enabled in kconfig file:

$ make CROSS_COMPILE=sh4-linux- ARCH=sh M=drivers/soc/litex
   CC [M]  drivers/soc/litex/litex_soc_ctrl.o
sh4-linux-objcopy: Unable to change endianness of input file(s)
sh4-linux-ld: cannot find drivers/soc/litex/.tmp_gl_litex_soc_ctrl.o: No 
such file or directory
sh4-linux-objcopy: 'drivers/soc/litex/.tmp_mx_litex_soc_ctrl.o': No such 
file
rm: cannot remove 'drivers/soc/litex/.tmp_gl_litex_soc_ctrl.o': No such 
file or directory
rm: cannot remove 'drivers/soc/litex/.tmp_mx_litex_soc_ctrl.o': No such 
file or directory
sh4-linux-nm: 'drivers/soc/litex/litex_soc_ctrl.o': No such file
WARNING: Symbol version dump "Module.symvers" is missing.
          Modules may not have dependencies or modversions.
   MODPOST drivers/soc/litex/Module.symvers
drivers/soc/litex/litex_soc_ctrl.o: No such file or directory
make[1]: *** [scripts/Makefile.modpost:111: 
drivers/soc/litex/Module.symvers] Error 1
make: *** [Makefile:1709: modules] Error 2

and the below change can fix it.

diff --git a/scripts/recordmcount.pl b/scripts/recordmcount.pl
index 56c801502b9a..867860ea57da 100755
--- a/scripts/recordmcount.pl
+++ b/scripts/recordmcount.pl
@@ -265,7 +265,11 @@ if ($arch eq "x86_64") {

      # force flags for this arch
      $ld .= " -m shlelf_linux";
-    $objcopy .= " -O elf32-sh-linux";
+    if ($endian eq "big") {
+        $objcopy .= " -O elf32-shbig-linux";
+    } else {
+        $objcopy .= " -O elf32-sh-linux";
+    }

  } elsif ($arch eq "powerpc") {
      my $ldemulation;

Best Regards,
Rong Chen

