[powerpc:fixes-test 12/12] arch/powerpc/include/asm/ptrace.h:245:23: error: call to undeclared function 'BIT'; ISO C99 and later do not support implicit function declarations
From: kernel test robot <hidden>
Date: 2026-07-11 03:14:08
Also in:
oe-kbuild-all
tree: https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git fixes-test head: afc2830892a128a13a65f677271a0a48aeb61b5e commit: afc2830892a128a13a65f677271a0a48aeb61b5e [12/12] powerpc/syscall: Fix syscall skip handling for seccomp and ptrace config: powerpc-randconfig-r112-20260711 (https://download.01.org/0day-ci/archive/20260711/202607111027.VbonWf7Z-lkp@intel.com/config) compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261) sparse: v0.6.5-rc1 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260711/202607111027.VbonWf7Z-lkp@intel.com/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot [off-list ref] | Closes: https://lore.kernel.org/oe-kbuild-all/202607111027.VbonWf7Z-lkp@intel.com/ (local) All errors (new ones prefixed by >>): In file included from drivers/of/fdt.c:11: In file included from include/linux/crash_dump.h:5: In file included from include/linux/kexec.h:18: In file included from include/linux/vmcore_info.h:6: In file included from include/linux/elfcore.h:5: In file included from include/linux/user.h:1: In file included from arch/powerpc/include/asm/user.h:5:
quoted
arch/powerpc/include/asm/ptrace.h:245:23: error: call to undeclared function 'BIT'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
245 | regs->entry_flags |= SYSCALL_ENTRY_RET_SET;
| ^
arch/powerpc/include/asm/ptrace.h:241:31: note: expanded from macro 'SYSCALL_ENTRY_RET_SET'
241 | #define SYSCALL_ENTRY_RET_SET BIT(0)
| ^
arch/powerpc/include/asm/ptrace.h:250:36: error: call to undeclared function 'BIT'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
250 | bool set = !!(regs->entry_flags & SYSCALL_ENTRY_RET_SET);
| ^
arch/powerpc/include/asm/ptrace.h:241:31: note: expanded from macro 'SYSCALL_ENTRY_RET_SET'
241 | #define SYSCALL_ENTRY_RET_SET BIT(0)
| ^
In file included from drivers/of/fdt.c:11:
In file included from include/linux/crash_dump.h:5:
In file included from include/linux/kexec.h:18:
In file included from include/linux/vmcore_info.h:6:
In file included from include/linux/elfcore.h:9:
include/linux/signal.h:98:11: warning: array index 3 is past the end of the array (that has type 'unsigned long[2]') [-Warray-bounds]
98 | return (set->sig[3] | set->sig[2] |
| ^ ~
arch/powerpc/include/uapi/asm/signal.h:18:2: note: array 'sig' declared here
18 | unsigned long sig[_NSIG_WORDS];
| ^
In file included from drivers/of/fdt.c:11:
In file included from include/linux/crash_dump.h:5:
In file included from include/linux/kexec.h:18:
In file included from include/linux/vmcore_info.h:6:
In file included from include/linux/elfcore.h:9:
include/linux/signal.h:98:25: warning: array index 2 is past the end of the array (that has type 'unsigned long[2]') [-Warray-bounds]
98 | return (set->sig[3] | set->sig[2] |
| ^ ~
arch/powerpc/include/uapi/asm/signal.h:18:2: note: array 'sig' declared here
18 | unsigned long sig[_NSIG_WORDS];
| ^
In file included from drivers/of/fdt.c:11:
In file included from include/linux/crash_dump.h:5:
In file included from include/linux/kexec.h:18:
In file included from include/linux/vmcore_info.h:6:
In file included from include/linux/elfcore.h:9:
include/linux/signal.h:114:11: warning: array index 3 is past the end of the array (that has type 'const unsigned long[2]') [-Warray-bounds]
114 | return (set1->sig[3] == set2->sig[3]) &&
| ^ ~
arch/powerpc/include/uapi/asm/signal.h:18:2: note: array 'sig' declared here
18 | unsigned long sig[_NSIG_WORDS];
| ^
In file included from drivers/of/fdt.c:11:
In file included from include/linux/crash_dump.h:5:
In file included from include/linux/kexec.h:18:
In file included from include/linux/vmcore_info.h:6:
In file included from include/linux/elfcore.h:9:
include/linux/signal.h:114:27: warning: array index 3 is past the end of the array (that has type 'const unsigned long[2]') [-Warray-bounds]
114 | return (set1->sig[3] == set2->sig[3]) &&
| ^ ~
arch/powerpc/include/uapi/asm/signal.h:18:2: note: array 'sig' declared here
18 | unsigned long sig[_NSIG_WORDS];
| ^
In file included from drivers/of/fdt.c:11:
In file included from include/linux/crash_dump.h:5:
In file included from include/linux/kexec.h:18:
In file included from include/linux/vmcore_info.h:6:
In file included from include/linux/elfcore.h:9:
include/linux/signal.h:115:5: warning: array index 2 is past the end of the array (that has type 'const unsigned long[2]') [-Warray-bounds]
115 | (set1->sig[2] == set2->sig[2]) &&
| ^ ~
arch/powerpc/include/uapi/asm/signal.h:18:2: note: array 'sig' declared here
18 | unsigned long sig[_NSIG_WORDS];
| ^
In file included from drivers/of/fdt.c:11:
In file included from include/linux/crash_dump.h:5:
In file included from include/linux/kexec.h:18:
In file included from include/linux/vmcore_info.h:6:
In file included from include/linux/elfcore.h:9:
include/linux/signal.h:115:21: warning: array index 2 is past the end of the array (that has type 'const unsigned long[2]') [-Warray-bounds]
115 | (set1->sig[2] == set2->sig[2]) &&
| ^ ~
arch/powerpc/include/uapi/asm/signal.h:18:2: note: array 'sig' declared here
18 | unsigned long sig[_NSIG_WORDS];
| ^
In file included from drivers/of/fdt.c:11:
In file included from include/linux/crash_dump.h:5:
In file included from include/linux/kexec.h:18:
In file included from include/linux/vmcore_info.h:6:
In file included from include/linux/elfcore.h:9:
include/linux/signal.h:157:1: warning: array index 3 is past the end of the array (that has type 'const unsigned long[2]') [-Warray-bounds]
157 | _SIG_SET_BINOP(sigorsets, _sig_or)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/signal.h:138:8: note: expanded from macro '_SIG_SET_BINOP'
138 | a3 = a->sig[3]; a2 = a->sig[2]; \
| ^ ~
arch/powerpc/include/uapi/asm/signal.h:18:2: note: array 'sig' declared here
18 | unsigned long sig[_NSIG_WORDS];
| ^
In file included from drivers/of/fdt.c:11:
In file included from include/linux/crash_dump.h:5:
In file included from include/linux/kexec.h:18:
In file included from include/linux/vmcore_info.h:6:
In file included from include/linux/elfcore.h:9:
include/linux/signal.h:157:1: warning: array index 2 is past the end of the array (that has type 'const unsigned long[2]') [-Warray-bounds]
157 | _SIG_SET_BINOP(sigorsets, _sig_or)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/signal.h:138:24: note: expanded from macro '_SIG_SET_BINOP'
vim +/BIT +245 arch/powerpc/include/asm/ptrace.h
242
243 static inline void set_syscall_entry_ret(struct pt_regs *regs)
244 {
> 245 regs->entry_flags |= SYSCALL_ENTRY_RET_SET;
246 }
247
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