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
sparc32_foo(void)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
sparc64_foo(void)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
foo(void)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