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authorThomas Gleixner <tglx@linutronix.de>2007-10-17 12:04:40 -0400
committerThomas Gleixner <tglx@inhelltoy.tec.linutronix.de>2007-10-17 14:16:47 -0400
commitf6a2e7f2012eeced1dbf093bb98a1c38fee91f78 (patch)
treefab3e6186fa8a0ccde831d34e504e70f7d497361 /include/asm-x86
parent686d8c63d530a5cfdbab2523825e37b904be56f9 (diff)
x86: unify include/asm/ldt_32/64.h
The additional struct member of user_desc can be made conditional for 64 bit compiles. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/asm-x86')
-rw-r--r--include/asm-x86/Kbuild2
-rw-r--r--include/asm-x86/ldt.h51
-rw-r--r--include/asm-x86/ldt_32.h32
-rw-r--r--include/asm-x86/ldt_64.h36
4 files changed, 39 insertions, 82 deletions
diff --git a/include/asm-x86/Kbuild b/include/asm-x86/Kbuild
index 30f224428724..a0c0b80c7f2d 100644
--- a/include/asm-x86/Kbuild
+++ b/include/asm-x86/Kbuild
@@ -4,8 +4,6 @@ header-y += boot.h
4header-y += debugreg_32.h 4header-y += debugreg_32.h
5header-y += debugreg_64.h 5header-y += debugreg_64.h
6header-y += debugreg.h 6header-y += debugreg.h
7header-y += ldt_32.h
8header-y += ldt_64.h
9header-y += ldt.h 7header-y += ldt.h
10header-y += msr-index.h 8header-y += msr-index.h
11header-y += prctl.h 9header-y += prctl.h
diff --git a/include/asm-x86/ldt.h b/include/asm-x86/ldt.h
index 3d9cc20d2ba4..20c597242b53 100644
--- a/include/asm-x86/ldt.h
+++ b/include/asm-x86/ldt.h
@@ -1,13 +1,40 @@
1#ifdef __KERNEL__ 1/*
2# ifdef CONFIG_X86_32 2 * ldt.h
3# include "ldt_32.h" 3 *
4# else 4 * Definitions of structures used with the modify_ldt system call.
5# include "ldt_64.h" 5 */
6# endif 6#ifndef _ASM_X86_LDT_H
7#else 7#define _ASM_X86_LDT_H
8# ifdef __i386__ 8
9# include "ldt_32.h" 9/* Maximum number of LDT entries supported. */
10# else 10#define LDT_ENTRIES 8192
11# include "ldt_64.h" 11/* The size of each LDT entry. */
12# endif 12#define LDT_ENTRY_SIZE 8
13
14#ifndef __ASSEMBLY__
15/*
16 * Note on 64bit base and limit is ignored and you cannot set DS/ES/CS
17 * not to the default values if you still want to do syscalls. This
18 * call is more for 32bit mode therefore.
19 */
20struct user_desc {
21 unsigned int entry_number;
22 unsigned int base_addr;
23 unsigned int limit;
24 unsigned int seg_32bit:1;
25 unsigned int contents:2;
26 unsigned int read_exec_only:1;
27 unsigned int limit_in_pages:1;
28 unsigned int seg_not_present:1;
29 unsigned int useable:1;
30#ifdef __x86_64__
31 unsigned int lm:1;
32#endif
33};
34
35#define MODIFY_LDT_CONTENTS_DATA 0
36#define MODIFY_LDT_CONTENTS_STACK 1
37#define MODIFY_LDT_CONTENTS_CODE 2
38
39#endif /* !__ASSEMBLY__ */
13#endif 40#endif
diff --git a/include/asm-x86/ldt_32.h b/include/asm-x86/ldt_32.h
deleted file mode 100644
index e9d3de1dee6c..000000000000
--- a/include/asm-x86/ldt_32.h
+++ /dev/null
@@ -1,32 +0,0 @@
1/*
2 * ldt.h
3 *
4 * Definitions of structures used with the modify_ldt system call.
5 */
6#ifndef _LINUX_LDT_H
7#define _LINUX_LDT_H
8
9/* Maximum number of LDT entries supported. */
10#define LDT_ENTRIES 8192
11/* The size of each LDT entry. */
12#define LDT_ENTRY_SIZE 8
13
14#ifndef __ASSEMBLY__
15struct user_desc {
16 unsigned int entry_number;
17 unsigned long base_addr;
18 unsigned int limit;
19 unsigned int seg_32bit:1;
20 unsigned int contents:2;
21 unsigned int read_exec_only:1;
22 unsigned int limit_in_pages:1;
23 unsigned int seg_not_present:1;
24 unsigned int useable:1;
25};
26
27#define MODIFY_LDT_CONTENTS_DATA 0
28#define MODIFY_LDT_CONTENTS_STACK 1
29#define MODIFY_LDT_CONTENTS_CODE 2
30
31#endif /* !__ASSEMBLY__ */
32#endif
diff --git a/include/asm-x86/ldt_64.h b/include/asm-x86/ldt_64.h
deleted file mode 100644
index 9ef647b890d2..000000000000
--- a/include/asm-x86/ldt_64.h
+++ /dev/null
@@ -1,36 +0,0 @@
1/*
2 * ldt.h
3 *
4 * Definitions of structures used with the modify_ldt system call.
5 */
6#ifndef _LINUX_LDT_H
7#define _LINUX_LDT_H
8
9/* Maximum number of LDT entries supported. */
10#define LDT_ENTRIES 8192
11/* The size of each LDT entry. */
12#define LDT_ENTRY_SIZE 8
13
14#ifndef __ASSEMBLY__
15/* Note on 64bit base and limit is ignored and you cannot set
16 DS/ES/CS not to the default values if you still want to do syscalls. This
17 call is more for 32bit mode therefore. */
18struct user_desc {
19 unsigned int entry_number;
20 unsigned int base_addr;
21 unsigned int limit;
22 unsigned int seg_32bit:1;
23 unsigned int contents:2;
24 unsigned int read_exec_only:1;
25 unsigned int limit_in_pages:1;
26 unsigned int seg_not_present:1;
27 unsigned int useable:1;
28 unsigned int lm:1;
29};
30
31#define MODIFY_LDT_CONTENTS_DATA 0
32#define MODIFY_LDT_CONTENTS_STACK 1
33#define MODIFY_LDT_CONTENTS_CODE 2
34
35#endif /* !__ASSEMBLY__ */
36#endif