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- /* SPDX-License-Identifier: GPL-2.0 */
- #ifndef _ASM_S390_BUG_H
- #define _ASM_S390_BUG_H
- #include <linux/compiler.h>
- #ifdef CONFIG_BUG
- #ifdef CONFIG_DEBUG_BUGVERBOSE
- #define __EMIT_BUG(x) do { \
- asm_inline volatile( \
- "0: mc 0,0\n" \
- ".section .rodata.str,\"aMS\",@progbits,1\n" \
- "1: .asciz \""__FILE__"\"\n" \
- ".previous\n" \
- ".section __bug_table,\"awM\",@progbits,%2\n" \
- "2: .long 0b-.\n" \
- " .long 1b-.\n" \
- " .short %0,%1\n" \
- " .org 2b+%2\n" \
- ".previous\n" \
- : : "i" (__LINE__), \
- "i" (x), \
- "i" (sizeof(struct bug_entry))); \
- } while (0)
- #else /* CONFIG_DEBUG_BUGVERBOSE */
- #define __EMIT_BUG(x) do { \
- asm_inline volatile( \
- "0: mc 0,0\n" \
- ".section __bug_table,\"awM\",@progbits,%1\n" \
- "1: .long 0b-.\n" \
- " .short %0\n" \
- " .org 1b+%1\n" \
- ".previous\n" \
- : : "i" (x), \
- "i" (sizeof(struct bug_entry))); \
- } while (0)
- #endif /* CONFIG_DEBUG_BUGVERBOSE */
- #define BUG() do { \
- __EMIT_BUG(0); \
- unreachable(); \
- } while (0)
- #define __WARN_FLAGS(flags) do { \
- __EMIT_BUG(BUGFLAG_WARNING|(flags)); \
- } while (0)
- #define WARN_ON(x) ({ \
- int __ret_warn_on = !!(x); \
- if (__builtin_constant_p(__ret_warn_on)) { \
- if (__ret_warn_on) \
- __WARN(); \
- } else { \
- if (unlikely(__ret_warn_on)) \
- __WARN(); \
- } \
- unlikely(__ret_warn_on); \
- })
- #define HAVE_ARCH_BUG
- #define HAVE_ARCH_WARN_ON
- #endif /* CONFIG_BUG */
- #include <asm-generic/bug.h>
- #endif /* _ASM_S390_BUG_H */
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