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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-10-23 21:22:01 +0400 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-10-23 21:22:01 +0400 |
| commit | 5b34653963de7a6d0d8c783527457d68fddc60fb (patch) | |
| tree | 1a234741e1823a54cd0514616f783b4cf503a528 /arch/x86/include/asm/asm.h | |
| parent | 765426e8ee4c0ab2bc9d44951f4865b8494cdbd0 (diff) | |
| parent | 5e1b00758b5a8bee9d42515bffdaf305a32f1b04 (diff) | |
| download | linux-5b34653963de7a6d0d8c783527457d68fddc60fb.tar.xz | |
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/asm.h')
| -rw-r--r-- | arch/x86/include/asm/asm.h | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/arch/x86/include/asm/asm.h b/arch/x86/include/asm/asm.h new file mode 100644 index 000000000000..56be78f582f0 --- /dev/null +++ b/arch/x86/include/asm/asm.h @@ -0,0 +1,47 @@ +#ifndef _ASM_X86_ASM_H +#define _ASM_X86_ASM_H + +#ifdef __ASSEMBLY__ +# define __ASM_FORM(x) x +# define __ASM_EX_SEC .section __ex_table +#else +# define __ASM_FORM(x) " " #x " " +# define __ASM_EX_SEC " .section __ex_table,\"a\"\n" +#endif + +#ifdef CONFIG_X86_32 +# define __ASM_SEL(a,b) __ASM_FORM(a) +#else +# define __ASM_SEL(a,b) __ASM_FORM(b) +#endif + +#define __ASM_SIZE(inst) __ASM_SEL(inst##l, inst##q) +#define __ASM_REG(reg) __ASM_SEL(e##reg, r##reg) + +#define _ASM_PTR __ASM_SEL(.long, .quad) +#define _ASM_ALIGN __ASM_SEL(.balign 4, .balign 8) + +#define _ASM_MOV __ASM_SIZE(mov) +#define _ASM_INC __ASM_SIZE(inc) +#define _ASM_DEC __ASM_SIZE(dec) +#define _ASM_ADD __ASM_SIZE(add) +#define _ASM_SUB __ASM_SIZE(sub) +#define _ASM_XADD __ASM_SIZE(xadd) + +#define _ASM_AX __ASM_REG(ax) +#define _ASM_BX __ASM_REG(bx) +#define _ASM_CX __ASM_REG(cx) +#define _ASM_DX __ASM_REG(dx) +#define _ASM_SP __ASM_REG(sp) +#define _ASM_BP __ASM_REG(bp) +#define _ASM_SI __ASM_REG(si) +#define _ASM_DI __ASM_REG(di) + +/* Exception table entry */ +# define _ASM_EXTABLE(from,to) \ + __ASM_EX_SEC \ + _ASM_ALIGN "\n" \ + _ASM_PTR #from "," #to "\n" \ + " .previous\n" + +#endif /* _ASM_X86_ASM_H */ |