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- #ifndef _PARISC_BUG_H
- #define _PARISC_BUG_H
- #include <linux/kernel.h> /* for BUGFLAG_TAINT */
- /*
- * Tell the user there is some problem.
- * The offending file and line are encoded in the __bug_table section.
- */
- #ifdef CONFIG_BUG
- #define HAVE_ARCH_BUG
- #define HAVE_ARCH_WARN_ON
- /* the break instruction is used as BUG() marker. */
- #define PARISC_BUG_BREAK_ASM "break 0x1f, 0x1fff"
- #define PARISC_BUG_BREAK_INSN 0x03ffe01f /* PARISC_BUG_BREAK_ASM */
- #if defined(CONFIG_64BIT)
- #define ASM_WORD_INSN ".dword\t"
- #else
- #define ASM_WORD_INSN ".word\t"
- #endif
- #ifdef CONFIG_DEBUG_BUGVERBOSE
- #define BUG() \
- do { \
- asm volatile("\n" \
- "1:\t" PARISC_BUG_BREAK_ASM "\n" \
- "\t.pushsection __bug_table,\"a\"\n" \
- "2:\t" ASM_WORD_INSN "1b, %c0\n" \
- "\t.short %c1, %c2\n" \
- "\t.org 2b+%c3\n" \
- "\t.popsection" \
- : : "i" (__FILE__), "i" (__LINE__), \
- "i" (0), "i" (sizeof(struct bug_entry)) ); \
- unreachable(); \
- } while(0)
- #else
- #define BUG() \
- do { \
- asm volatile(PARISC_BUG_BREAK_ASM : : ); \
- unreachable(); \
- } while(0)
- #endif
- #ifdef CONFIG_DEBUG_BUGVERBOSE
- #define __WARN_TAINT(taint) \
- do { \
- asm volatile("\n" \
- "1:\t" PARISC_BUG_BREAK_ASM "\n" \
- "\t.pushsection __bug_table,\"a\"\n" \
- "2:\t" ASM_WORD_INSN "1b, %c0\n" \
- "\t.short %c1, %c2\n" \
- "\t.org 2b+%c3\n" \
- "\t.popsection" \
- : : "i" (__FILE__), "i" (__LINE__), \
- "i" (BUGFLAG_TAINT(taint)), \
- "i" (sizeof(struct bug_entry)) ); \
- } while(0)
- #else
- #define __WARN_TAINT(taint) \
- do { \
- asm volatile("\n" \
- "1:\t" PARISC_BUG_BREAK_ASM "\n" \
- "\t.pushsection __bug_table,\"a\"\n" \
- "2:\t" ASM_WORD_INSN "1b\n" \
- "\t.short %c0\n" \
- "\t.org 2b+%c1\n" \
- "\t.popsection" \
- : : "i" (BUGFLAG_TAINT(taint)), \
- "i" (sizeof(struct bug_entry)) ); \
- } while(0)
- #endif
- #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); \
- })
- #endif
- #include <asm-generic/bug.h>
- #endif
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