diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-10-23 10:22:01 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-10-23 10:22:01 -0700 |
| commit | 5b34653963de7a6d0d8c783527457d68fddc60fb (patch) | |
| tree | 1a234741e1823a54cd0514616f783b4cf503a528 /arch/x86/include/asm/bug.h | |
| parent | 765426e8ee4c0ab2bc9d44951f4865b8494cdbd0 (diff) | |
| parent | 5e1b00758b5a8bee9d42515bffdaf305a32f1b04 (diff) | |
Merge branch 'x86/um-header' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'x86/um-header' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (26 commits)
x86: canonicalize remaining header guards
x86: drop double underscores from header guards
x86: Fix ASM_X86__ header guards
x86, um: get rid of uml-config.h
x86, um: get rid of arch/um/Kconfig.arch
x86, um: get rid of arch/um/os symlink
x86, um: get rid of excessive includes of uml-config.h
x86, um: get rid of header symlinks
x86, um: merge Kconfig.i386 and Kconfig.x86_64
x86, um: get rid of sysdep symlink
x86, um: trim the junk from uml ptrace-*.h
x86, um: take vm-flags.h to sysdep
x86, um: get rid of uml asm/arch
x86, um: get rid of uml highmem.h
x86, um: get rid of uml unistd.h
x86, um: get rid of system.h -> system.h include
x86, um: uml atomic.h is not needed anymore
x86, um: untangle uml ldt.h
x86, um: get rid of more uml asm/arch uses
x86, um: remove dead header (uml module-generic.h; never used these days)
...
Diffstat (limited to 'arch/x86/include/asm/bug.h')
| -rw-r--r-- | arch/x86/include/asm/bug.h | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/arch/x86/include/asm/bug.h b/arch/x86/include/asm/bug.h new file mode 100644 index 00000000000..3def2065fce --- /dev/null +++ b/arch/x86/include/asm/bug.h @@ -0,0 +1,39 @@ +#ifndef _ASM_X86_BUG_H +#define _ASM_X86_BUG_H + +#ifdef CONFIG_BUG +#define HAVE_ARCH_BUG + +#ifdef CONFIG_DEBUG_BUGVERBOSE + +#ifdef CONFIG_X86_32 +# define __BUG_C0 "2:\t.long 1b, %c0\n" +#else +# define __BUG_C0 "2:\t.quad 1b, %c0\n" +#endif + +#define BUG() \ +do { \ + asm volatile("1:\tud2\n" \ + ".pushsection __bug_table,\"a\"\n" \ + __BUG_C0 \ + "\t.word %c1, 0\n" \ + "\t.org 2b+%c2\n" \ + ".popsection" \ + : : "i" (__FILE__), "i" (__LINE__), \ + "i" (sizeof(struct bug_entry))); \ + for (;;) ; \ +} while (0) + +#else +#define BUG() \ +do { \ + asm volatile("ud2"); \ + for (;;) ; \ +} while (0) +#endif + +#endif /* !CONFIG_BUG */ + +#include <asm-generic/bug.h> +#endif /* _ASM_X86_BUG_H */ |