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Viewing changes to arch/s390/include/asm/bug.h

  • Committer: Package Import Robot
  • Author(s): Alessio Igor Bogani
  • Date: 2011-10-26 11:13:05 UTC
  • Revision ID: package-import@ubuntu.com-20111026111305-tz023xykf0i6eosh
Tags: upstream-3.2.0
Import upstream version 3.2.0

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arch/s390/include/asm/bug.h
 
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#ifndef _ASM_S390_BUG_H
 
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#define _ASM_S390_BUG_H
 
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#include <linux/kernel.h>
 
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#ifdef CONFIG_BUG
 
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#ifdef CONFIG_DEBUG_BUGVERBOSE
 
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#define __EMIT_BUG(x) do {                                      \
 
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        asm volatile(                                           \
 
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                "0:     j       0b+2\n"                         \
 
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                "1:\n"                                          \
 
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                ".section .rodata.str,\"aMS\",@progbits,1\n"    \
 
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                "2:     .asciz  \""__FILE__"\"\n"               \
 
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                ".previous\n"                                   \
 
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                ".section __bug_table,\"a\"\n"                  \
 
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                "3:     .long   1b-3b,2b-3b\n"                  \
 
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                "       .short  %0,%1\n"                        \
 
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                "       .org    3b+%2\n"                        \
 
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                ".previous\n"                                   \
 
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                : : "i" (__LINE__),                             \
 
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                    "i" (x),                                    \
 
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                    "i" (sizeof(struct bug_entry)));            \
 
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} while (0)
 
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#else /* CONFIG_DEBUG_BUGVERBOSE */
 
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#define __EMIT_BUG(x) do {                              \
 
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        asm volatile(                                   \
 
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                "0:     j       0b+2\n"                 \
 
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                "1:\n"                                  \
 
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                ".section __bug_table,\"a\"\n"          \
 
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                "2:     .long   1b-2b\n"                \
 
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                "       .short  %0\n"                   \
 
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                "       .org    2b+%1\n"                \
 
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                ".previous\n"                           \
 
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                : : "i" (x),                            \
 
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                    "i" (sizeof(struct bug_entry)));    \
 
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} while (0)
 
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#endif /* CONFIG_DEBUG_BUGVERBOSE */
 
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#define BUG() do {                                      \
 
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        __EMIT_BUG(0);                                  \
 
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        unreachable();                                  \
 
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} while (0)
 
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#define __WARN_TAINT(taint) do {                        \
 
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        __EMIT_BUG(BUGFLAG_TAINT(taint));               \
 
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} while (0)
 
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#define WARN_ON(x) ({                                   \
 
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        int __ret_warn_on = !!(x);                      \
 
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        if (__builtin_constant_p(__ret_warn_on)) {      \
 
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                if (__ret_warn_on)                      \
 
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                        __WARN();                       \
 
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        } else {                                        \
 
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                if (unlikely(__ret_warn_on))            \
 
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                        __WARN();                       \
 
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        }                                               \
 
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        unlikely(__ret_warn_on);                        \
 
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})
 
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#define HAVE_ARCH_BUG
 
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#define HAVE_ARCH_WARN_ON
 
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#endif /* CONFIG_BUG */
 
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#include <asm-generic/bug.h>
 
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#endif /* _ASM_S390_BUG_H */