xref: /openbmc/linux/arch/sparc/kernel/asm-offsets.c (revision 9cfc5c90)
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  * On sparc, thread_info data is static and TI_XXX offsets are computed by hand.
11  */
12 
13 #include <linux/sched.h>
14 // #include <linux/mm.h>
15 #include <linux/kbuild.h>
16 
17 #include <asm/hibernate.h>
18 
19 #ifdef CONFIG_SPARC32
20 int sparc32_foo(void)
21 {
22 	DEFINE(AOFF_thread_fork_kpsr,
23 			offsetof(struct thread_struct, fork_kpsr));
24 	return 0;
25 }
26 #else
27 int sparc64_foo(void)
28 {
29 #ifdef CONFIG_HIBERNATION
30 	BLANK();
31 	OFFSET(SC_REG_FP, saved_context, fp);
32 	OFFSET(SC_REG_CWP, saved_context, cwp);
33 	OFFSET(SC_REG_WSTATE, saved_context, wstate);
34 
35 	OFFSET(SC_REG_TICK, saved_context, tick);
36 	OFFSET(SC_REG_PSTATE, saved_context, pstate);
37 
38 	OFFSET(SC_REG_G4, saved_context, g4);
39 	OFFSET(SC_REG_G5, saved_context, g5);
40 	OFFSET(SC_REG_G6, saved_context, g6);
41 #endif
42 	return 0;
43 }
44 #endif
45 
46 int foo(void)
47 {
48 	BLANK();
49 	DEFINE(AOFF_task_thread, offsetof(struct task_struct, thread));
50 	BLANK();
51 	DEFINE(AOFF_mm_context, offsetof(struct mm_struct, context));
52 	BLANK();
53 	DEFINE(VMA_VM_MM,    offsetof(struct vm_area_struct, vm_mm));
54 
55 	/* DEFINE(NUM_USER_SEGMENTS, TASK_SIZE>>28); */
56 	return 0;
57 }
58 
59