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