1 | // SPDX-License-Identifier: GPL-2.0 |
2 | /* |
3 | * This program is used to generate definitions needed by |
4 | * assembly language modules. |
5 | * |
6 | * We use the technique used in the OSF Mach kernel code: |
7 | * generate asm statements containing #defines, |
8 | * compile this file to assembler, and then extract the |
9 | * #defines from the assembly-language output. |
10 | * |
11 | * On sparc, thread_info data is static and TI_XXX offsets are computed by hand. |
12 | */ |
13 | |
14 | #include <linux/sched.h> |
15 | #include <linux/mm_types.h> |
16 | // #include <linux/mm.h> |
17 | #include <linux/kbuild.h> |
18 | |
19 | #include <asm/hibernate.h> |
20 | |
21 | #ifdef CONFIG_SPARC32 |
22 | static int __used sparc32_foo(void) |
23 | { |
24 | DEFINE(AOFF_thread_fork_kpsr, |
25 | offsetof(struct thread_struct, fork_kpsr)); |
26 | return 0; |
27 | } |
28 | #else |
29 | static int __used sparc64_foo(void) |
30 | { |
31 | #ifdef CONFIG_HIBERNATION |
32 | BLANK(); |
33 | OFFSET(SC_REG_FP, saved_context, fp); |
34 | OFFSET(SC_REG_CWP, saved_context, cwp); |
35 | OFFSET(SC_REG_WSTATE, saved_context, wstate); |
36 | |
37 | OFFSET(SC_REG_TICK, saved_context, tick); |
38 | OFFSET(SC_REG_PSTATE, saved_context, pstate); |
39 | |
40 | OFFSET(SC_REG_G4, saved_context, g4); |
41 | OFFSET(SC_REG_G5, saved_context, g5); |
42 | OFFSET(SC_REG_G6, saved_context, g6); |
43 | #endif |
44 | return 0; |
45 | } |
46 | #endif |
47 | |
48 | static int __used foo(void) |
49 | { |
50 | BLANK(); |
51 | DEFINE(AOFF_task_thread, offsetof(struct task_struct, thread)); |
52 | BLANK(); |
53 | DEFINE(AOFF_mm_context, offsetof(struct mm_struct, context)); |
54 | BLANK(); |
55 | DEFINE(VMA_VM_MM, offsetof(struct vm_area_struct, vm_mm)); |
56 | |
57 | /* DEFINE(NUM_USER_SEGMENTS, TASK_SIZE>>28); */ |
58 | return 0; |
59 | } |
60 | |
61 | |