]>
Commit | Line | Data |
---|---|---|
1da177e4 LT |
1 | /* |
2 | * Copyright (C) 1995-2001 Russell King | |
3 | * 2001-2002 Keith Owens | |
4 | * 2003 Ian Molton | |
5 | * | |
6 | * Generate definitions needed by assembly language modules. | |
7 | * This code generates raw asm output which is post-processed to extract | |
8 | * and format the required data. | |
9 | * | |
10 | * This program is free software; you can redistribute it and/or modify | |
11 | * it under the terms of the GNU General Public License version 2 as | |
12 | * published by the Free Software Foundation. | |
13 | */ | |
14 | ||
15 | #include <linux/config.h> | |
16 | #include <linux/sched.h> | |
17 | #include <linux/mm.h> | |
18 | ||
19 | #include <asm/pgtable.h> | |
20 | #include <asm/uaccess.h> | |
21 | ||
22 | /* | |
23 | * Make sure that the compiler and target are compatible. | |
24 | */ | |
25 | #if defined(__APCS_32__) && defined(CONFIG_CPU_26) | |
26 | #error Sorry, your compiler targets APCS-32 but this kernel requires APCS-26 | |
27 | #endif | |
28 | #if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 95) | |
29 | #error Sorry, your compiler is known to miscompile kernels. Only use gcc 2.95.3 and later. | |
30 | #endif | |
31 | #if __GNUC__ == 2 && __GNUC_MINOR__ == 95 | |
32 | /* shame we can't detect the .1 or .2 releases */ | |
33 | #warning GCC 2.95.2 and earlier miscompiles kernels. | |
34 | #endif | |
35 | ||
36 | /* Use marker if you need to separate the values later */ | |
37 | ||
38 | #define DEFINE(sym, val) \ | |
39 | asm volatile("\n->" #sym " %0 " #val : : "i" (val)) | |
40 | ||
41 | #define BLANK() asm volatile("\n->" : : ) | |
42 | ||
43 | int main(void) | |
44 | { | |
45 | DEFINE(TSK_ACTIVE_MM, offsetof(struct task_struct, active_mm)); | |
46 | BLANK(); | |
47 | DEFINE(VMA_VM_MM, offsetof(struct vm_area_struct, vm_mm)); | |
48 | DEFINE(VMA_VM_FLAGS, offsetof(struct vm_area_struct, vm_flags)); | |
49 | BLANK(); | |
50 | DEFINE(VM_EXEC, VM_EXEC); | |
51 | BLANK(); | |
52 | BLANK(); | |
53 | DEFINE(PAGE_PRESENT, _PAGE_PRESENT); | |
54 | DEFINE(PAGE_READONLY, _PAGE_READONLY); | |
55 | DEFINE(PAGE_NOT_USER, _PAGE_NOT_USER); | |
56 | DEFINE(PAGE_OLD, _PAGE_OLD); | |
57 | DEFINE(PAGE_CLEAN, _PAGE_CLEAN); | |
58 | BLANK(); | |
59 | DEFINE(PAGE_SZ, PAGE_SIZE); | |
60 | BLANK(); | |
61 | DEFINE(SYS_ERROR0, 0x9f0000); | |
62 | return 0; | |
63 | } |