* [jimc:maph 1/1] lib/test_map_h.c:28:2: error: call to __compiletime_assert_174 declared with 'error' attribute: BUILD_BUG_ON failed: __builtin_memcmp(debug_cats_slist[0], "DRMx_CORE", sizeof("DRMx_CORE") - 1)
@ 2023-03-20 20:34 kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2023-03-20 20:34 UTC (permalink / raw)
To: Jim Cromie; +Cc: oe-kbuild-all
tree: https://github.com/jimc/linux.git maph
head: 4ca8648cb8696436472c03ed39c97dee528596fc
commit: 4ca8648cb8696436472c03ed39c97dee528596fc [1/1] include/linux/map.h: add new header, test it with test_map_h.c (RFC)
config: i386-randconfig-a002 (https://download.01.org/0day-ci/archive/20230321/202303210403.BRMYWSmz-lkp@intel.com/config)
compiler: clang version 14.0.6 (https://github.com/llvm/llvm-project f28c006a5895fc0e329fe15fead81e37457cb1d1)
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://github.com/jimc/linux/commit/4ca8648cb8696436472c03ed39c97dee528596fc
git remote add jimc https://github.com/jimc/linux.git
git fetch --no-tags jimc maph
git checkout 4ca8648cb8696436472c03ed39c97dee528596fc
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=i386 olddefconfig
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=i386 SHELL=/bin/bash lib/
If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>
| Link: https://lore.kernel.org/oe-kbuild-all/202303210403.BRMYWSmz-lkp@intel.com/
All errors (new ones prefixed by >>):
>> lib/test_map_h.c:28:2: error: call to __compiletime_assert_174 declared with 'error' attribute: BUILD_BUG_ON failed: __builtin_memcmp(debug_cats_slist[0], "DRMx_CORE", sizeof("DRMx_CORE") - 1)
BUILD_BUG_STREQ(debug_cats, 0, "DRMx_CORE");
^
lib/test_map_h.c:24:2: note: expanded from macro 'BUILD_BUG_STREQ'
BUILD_BUG_ON(__builtin_memcmp(_var##_slist[idx], ref, sizeof(ref) - 1))
^
include/linux/build_bug.h:50:2: note: expanded from macro 'BUILD_BUG_ON'
BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition)
^
include/linux/build_bug.h:39:37: note: expanded from macro 'BUILD_BUG_ON_MSG'
#define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
^
note: (skipping 1 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
include/linux/compiler_types.h:385:2: note: expanded from macro '_compiletime_assert'
__compiletime_assert(condition, msg, prefix, suffix)
^
include/linux/compiler_types.h:378:4: note: expanded from macro '__compiletime_assert'
prefix ## suffix(); \
^
<scratch space>:15:1: note: expanded from here
__compiletime_assert_174
^
>> lib/test_map_h.c:29:2: error: call to __compiletime_assert_175 declared with 'error' attribute: BUILD_BUG_ON failed: __builtin_memcmp(debug_cats_slist[1], "DRMx_DRIVER", sizeof("DRMx_DRIVER") - 1)
BUILD_BUG_STREQ(debug_cats, 1, "DRMx_DRIVER");
^
lib/test_map_h.c:24:2: note: expanded from macro 'BUILD_BUG_STREQ'
BUILD_BUG_ON(__builtin_memcmp(_var##_slist[idx], ref, sizeof(ref) - 1))
^
include/linux/build_bug.h:50:2: note: expanded from macro 'BUILD_BUG_ON'
BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition)
^
include/linux/build_bug.h:39:37: note: expanded from macro 'BUILD_BUG_ON_MSG'
#define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
^
note: (skipping 1 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
include/linux/compiler_types.h:385:2: note: expanded from macro '_compiletime_assert'
__compiletime_assert(condition, msg, prefix, suffix)
^
include/linux/compiler_types.h:378:4: note: expanded from macro '__compiletime_assert'
prefix ## suffix(); \
^
<scratch space>:20:1: note: expanded from here
__compiletime_assert_175
^
>> lib/test_map_h.c:30:2: error: call to __compiletime_assert_176 declared with 'error' attribute: BUILD_BUG_ON failed: __builtin_memcmp(debug_cats_slist[2], "DRMx_KMS", sizeof("DRMx_KMS") - 1)
BUILD_BUG_STREQ(debug_cats, 2, "DRMx_KMS");
^
lib/test_map_h.c:24:2: note: expanded from macro 'BUILD_BUG_STREQ'
BUILD_BUG_ON(__builtin_memcmp(_var##_slist[idx], ref, sizeof(ref) - 1))
^
include/linux/build_bug.h:50:2: note: expanded from macro 'BUILD_BUG_ON'
BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition)
^
include/linux/build_bug.h:39:37: note: expanded from macro 'BUILD_BUG_ON_MSG'
#define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
^
note: (skipping 1 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
include/linux/compiler_types.h:385:2: note: expanded from macro '_compiletime_assert'
__compiletime_assert(condition, msg, prefix, suffix)
^
include/linux/compiler_types.h:378:4: note: expanded from macro '__compiletime_assert'
prefix ## suffix(); \
^
<scratch space>:25:1: note: expanded from here
__compiletime_assert_176
^
3 errors generated.
vim +28 lib/test_map_h.c
22
23 #define BUILD_BUG_STREQ(_var, idx, ref) \
24 BUILD_BUG_ON(__builtin_memcmp(_var##_slist[idx], ref, sizeof(ref) - 1))
25
26 static void __used MAPH_BUILD_BUG(void)
27 {
> 28 BUILD_BUG_STREQ(debug_cats, 0, "DRMx_CORE");
> 29 BUILD_BUG_STREQ(debug_cats, 1, "DRMx_DRIVER");
> 30 BUILD_BUG_STREQ(debug_cats, 2, "DRMx_KMS");
31 #if 0
32 /* properly breaks compile */
33 BUILD_BUG_STREQ(debug_cats, 1, "'not-in-map'");
34 #endif
35 }
36
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests
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