diff options
| author | David Howells <dhowells@redhat.com> | 2012-12-15 02:37:13 +0400 |
|---|---|---|
| committer | David Howells <dhowells@redhat.com> | 2012-12-15 02:37:13 +0400 |
| commit | af170c5061dd78512c469e6e2d211980cdb2c193 (patch) | |
| tree | a3bb86ee66b69f832b6783124cc0482ce8058cd8 /arch/x86/include/uapi/asm/ldt.h | |
| parent | d42b3a2906a10b732ea7d7f849d49be79d242ef0 (diff) | |
| download | linux-af170c5061dd78512c469e6e2d211980cdb2c193.tar.xz | |
UAPI: (Scripted) Disintegrate arch/x86/include/asm
Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Michael Kerrisk <mtk.manpages@gmail.com>
Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Acked-by: Dave Jones <davej@redhat.com>
Diffstat (limited to 'arch/x86/include/uapi/asm/ldt.h')
| -rw-r--r-- | arch/x86/include/uapi/asm/ldt.h | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/arch/x86/include/uapi/asm/ldt.h b/arch/x86/include/uapi/asm/ldt.h new file mode 100644 index 000000000000..46727eb37bfe --- /dev/null +++ b/arch/x86/include/uapi/asm/ldt.h @@ -0,0 +1,40 @@ +/* + * ldt.h + * + * Definitions of structures used with the modify_ldt system call. + */ +#ifndef _ASM_X86_LDT_H +#define _ASM_X86_LDT_H + +/* Maximum number of LDT entries supported. */ +#define LDT_ENTRIES 8192 +/* The size of each LDT entry. */ +#define LDT_ENTRY_SIZE 8 + +#ifndef __ASSEMBLY__ +/* + * Note on 64bit base and limit is ignored and you cannot set DS/ES/CS + * not to the default values if you still want to do syscalls. This + * call is more for 32bit mode therefore. + */ +struct user_desc { + unsigned int entry_number; + unsigned int base_addr; + unsigned int limit; + unsigned int seg_32bit:1; + unsigned int contents:2; + unsigned int read_exec_only:1; + unsigned int limit_in_pages:1; + unsigned int seg_not_present:1; + unsigned int useable:1; +#ifdef __x86_64__ + unsigned int lm:1; +#endif +}; + +#define MODIFY_LDT_CONTENTS_DATA 0 +#define MODIFY_LDT_CONTENTS_STACK 1 +#define MODIFY_LDT_CONTENTS_CODE 2 + +#endif /* !__ASSEMBLY__ */ +#endif /* _ASM_X86_LDT_H */ |