Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
63 lines
1.5 KiB
C
63 lines
1.5 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef __ASM_BUG_H
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#define __ASM_BUG_H
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#include <asm/break.h>
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#include <linux/stringify.h>
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#include <linux/objtool.h>
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#ifndef CONFIG_DEBUG_BUGVERBOSE
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#define _BUGVERBOSE_LOCATION(file, line)
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#else
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#define __BUGVERBOSE_LOCATION(file, line) \
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.pushsection .rodata.str, "aMS", @progbits, 1; \
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10002: .ascii file "\0"; \
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.popsection; \
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\
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.long 10002b - .; \
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.short line;
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#define _BUGVERBOSE_LOCATION(file, line) __BUGVERBOSE_LOCATION(file, line)
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#endif
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#ifndef CONFIG_GENERIC_BUG
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#define __BUG_ENTRY(cond_str, flags)
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#else
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#define __BUG_ENTRY(cond_str, flags) \
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.pushsection __bug_table, "aw"; \
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.align 2; \
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10000: .long 10001f - .; \
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_BUGVERBOSE_LOCATION(WARN_CONDITION_STR(cond_str) __FILE__, __LINE__) \
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.short flags; \
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.popsection; \
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10001:
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#endif
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#define ASM_BUG_FLAGS(cond_str, flags) \
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__BUG_ENTRY(cond_str, flags) \
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break BRK_BUG;
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#define ASM_BUG() ASM_BUG_FLAGS("", 0)
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#define __BUG_FLAGS(cond_str, flags, extra) \
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asm_inline volatile (__stringify(ASM_BUG_FLAGS(cond_str, flags)) extra);
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#define __WARN_FLAGS(cond_str, flags) \
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do { \
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instrumentation_begin(); \
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__BUG_FLAGS(cond_str, BUGFLAG_WARNING|(flags), ANNOTATE_REACHABLE(10001b));\
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instrumentation_end(); \
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} while (0)
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#define BUG() \
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do { \
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instrumentation_begin(); \
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__BUG_FLAGS("", 0, ""); \
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unreachable(); \
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} while (0)
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#define HAVE_ARCH_BUG
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#include <asm-generic/bug.h>
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#endif /* __ASM_BUG_H */
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