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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ASM_BUG_H
#define __ASM_BUG_H
#include <asm/break.h>
#include <linux/stringify.h>
#include <linux/objtool.h>
#ifndef CONFIG_DEBUG_BUGVERBOSE
#define _BUGVERBOSE_LOCATION(file, line)
#else
#define __BUGVERBOSE_LOCATION(file, line) \
.pushsection .rodata.str, "aMS", @progbits, 1; \
10002: .ascii file "\0"; \
.popsection; \
\
.long 10002b - .; \
.short line;
#define _BUGVERBOSE_LOCATION(file, line) __BUGVERBOSE_LOCATION(file, line)
#endif
#ifndef CONFIG_GENERIC_BUG
#define __BUG_ENTRY(cond_str, flags)
#else
#define __BUG_ENTRY(cond_str, flags) \
.pushsection __bug_table, "aw"; \
.align 2; \
10000: .long 10001f - .; \
_BUGVERBOSE_LOCATION(WARN_CONDITION_STR(cond_str) __FILE__, __LINE__) \
.short flags; \
.popsection; \
10001:
#endif
#define ASM_BUG_FLAGS(cond_str, flags) \
__BUG_ENTRY(cond_str, flags) \
break BRK_BUG;
#define ASM_BUG() ASM_BUG_FLAGS("", 0)
#define __BUG_FLAGS(cond_str, flags, extra) \
asm_inline volatile (__stringify(ASM_BUG_FLAGS(cond_str, flags)) extra);
#define __WARN_FLAGS(cond_str, flags) \
do { \
instrumentation_begin(); \
__BUG_FLAGS(cond_str, BUGFLAG_WARNING|(flags), ANNOTATE_REACHABLE(10001b));\
instrumentation_end(); \
} while (0)
#define BUG() \
do { \
instrumentation_begin(); \
__BUG_FLAGS("", 0, ""); \
unreachable(); \
} while (0)
#define HAVE_ARCH_BUG
#include <asm-generic/bug.h>
#endif /* __ASM_BUG_H */
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