Commit | Line | Data |
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1da177e4 LT |
1 | /* |
2 | * This program is used to generate definitions needed by | |
3 | * assembly language modules. | |
4 | * | |
5 | * We use the technique used in the OSF Mach kernel code: | |
6 | * generate asm statements containing #defines, | |
7 | * compile this file to assembler, and then extract the | |
8 | * #defines from the assembly-language output. | |
9 | */ | |
10 | ||
11 | #include <linux/stddef.h> | |
12 | #include <linux/types.h> | |
13 | #include <linux/mm.h> | |
14 | #include <asm/thread_info.h> | |
15 | ||
16 | #define DEFINE(sym, val) \ | |
17 | asm volatile("\n->" #sym " %0 " #val : : "i" (val)) | |
18 | ||
19 | #define BLANK() asm volatile("\n->" : : ) | |
20 | ||
21 | int main(void) | |
22 | { | |
23 | /* offsets into the thread_info struct */ | |
24 | DEFINE(TI_TASK, offsetof(struct thread_info, task)); | |
25 | DEFINE(TI_EXEC_DOMAIN, offsetof(struct thread_info, exec_domain)); | |
26 | DEFINE(TI_FLAGS, offsetof(struct thread_info, flags)); | |
27 | DEFINE(TI_CPU, offsetof(struct thread_info, cpu)); | |
28 | DEFINE(TI_PRE_COUNT, offsetof(struct thread_info, preempt_count)); | |
29 | DEFINE(TI_RESTART_BLOCK,offsetof(struct thread_info, restart_block)); | |
30 | ||
31 | return 0; | |
32 | } |