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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,\"aw\"\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,\"aw\"\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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