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/*
* Copyright (C) 2015 ARM Limited
* Author: Dave Martin <Dave.Martin@arm.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _ARCH_ARM64_ASM_BUG_H
#define _ARCH_ARM64_ASM_BUG_H
#include <asm/debug-monitors.h>
#ifdef CONFIG_GENERIC_BUG
#define HAVE_ARCH_BUG
#ifdef CONFIG_DEBUG_BUGVERBOSE
#define _BUGVERBOSE_LOCATION(file, line) __BUGVERBOSE_LOCATION(file, line)
#define __BUGVERBOSE_LOCATION(file, line) \
".pushsection .rodata.str,\"aMS\",@progbits,1
" \
"2: .string \"" file "\"
\t" \
".popsection
\t" \
\
".long 2b - 0b
\t" \
".short " #line "
\t"
#else
#define _BUGVERBOSE_LOCATION(file, line)
#endif
#define _BUG_FLAGS(flags) __BUG_FLAGS(flags)
#define __BUG_FLAGS(flags) asm volatile ( \
".pushsection __bug_table,\"a\"
\t" \
".align 2
\t" \
"0: .long 1f - 0b
\t" \
_BUGVERBOSE_LOCATION(__FILE__, __LINE__) \
".short " #flags "
\t" \
".popsection
" \
\
"1: brk %[imm]" \
:: [imm] "i" (BUG_BRK_IMM) \
)
#define BUG() do { \
_BUG_FLAGS(0); \
unreachable(); \
} while (0)
#define __WARN_TAINT(taint) _BUG_FLAGS(BUGFLAG_TAINT(taint))
#endif /* ! CONFIG_GENERIC_BUG */
#include <asm-generic/bug.h>
#endif /* ! _ARCH_ARM64_ASM_BUG_H */
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