c8538a7aa5
This patch eliminates all kernel BUGs, trims about 35k off the typical kernel, and makes the system slightly faster. Signed-off-by: Matt Mackall <mpm@selenic.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
53 lines
1.3 KiB
C
53 lines
1.3 KiB
C
/* bug.h: FRV bug trapping
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*
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* Copyright (C) 2004 Red Hat, Inc. All Rights Reserved.
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* Written by David Howells (dhowells@redhat.com)
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version
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* 2 of the License, or (at your option) any later version.
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*/
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#ifndef _ASM_BUG_H
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#define _ASM_BUG_H
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#include <linux/config.h>
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#ifdef CONFIG_BUG
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/*
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* Tell the user there is some problem.
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*/
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extern asmlinkage void __debug_bug_trap(int signr);
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#ifdef CONFIG_NO_KERNEL_MSG
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#define _debug_bug_printk()
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#else
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extern void __debug_bug_printk(const char *file, unsigned line);
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#define _debug_bug_printk() __debug_bug_printk(__FILE__, __LINE__)
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#endif
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#define _debug_bug_trap(signr) \
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do { \
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__debug_bug_trap(signr); \
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asm volatile("nop"); \
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} while(0)
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#define HAVE_ARCH_BUG
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#define BUG() \
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do { \
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_debug_bug_printk(); \
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_debug_bug_trap(6 /*SIGABRT*/); \
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} while (0)
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#ifdef CONFIG_GDBSTUB
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#define HAVE_ARCH_KGDB_RAISE
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#define kgdb_raise(signr) do { _debug_bug_trap(signr); } while(0)
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#define HAVE_ARCH_KGDB_BAD_PAGE
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#define kgdb_bad_page(page) do { kgdb_raise(SIGABRT); } while(0)
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#endif
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#endif
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#include <asm-generic/bug.h>
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#endif
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