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/sched.h>
13#include <linux/kernel_stat.h>
14#include <linux/ptrace.h>
15#include <linux/hardirq.h>
16#include <asm/bootinfo.h>
17#include <asm/irq.h>
18#include <asm/ptrace.h>
19
20#define DEFINE(sym, val) \
21        asm volatile("\n->" #sym " %0 " #val : : "i" (val))
22
23#define BLANK() asm volatile("\n->" : : )
24
25int main(void)
26{
27	/* offsets into the task struct */
28	DEFINE(TASK_STATE, offsetof(struct task_struct, state));
29	DEFINE(TASK_FLAGS, offsetof(struct task_struct, flags));
30	DEFINE(TASK_PTRACE, offsetof(struct task_struct, ptrace));
31	DEFINE(TASK_BLOCKED, offsetof(struct task_struct, blocked));
32	DEFINE(TASK_THREAD, offsetof(struct task_struct, thread));
33	DEFINE(TASK_THREAD_INFO, offsetof(struct task_struct, stack));
34	DEFINE(TASK_MM, offsetof(struct task_struct, mm));
35	DEFINE(TASK_ACTIVE_MM, offsetof(struct task_struct, active_mm));
36
37	/* offsets into the irq_cpustat_t struct */
38	DEFINE(CPUSTAT_SOFTIRQ_PENDING, offsetof(irq_cpustat_t, __softirq_pending));
39
40	/* offsets into the thread struct */
41	DEFINE(THREAD_KSP, offsetof(struct thread_struct, ksp));
42	DEFINE(THREAD_USP, offsetof(struct thread_struct, usp));
43	DEFINE(THREAD_CCR, offsetof(struct thread_struct, ccr));
44
45	/* offsets into the pt_regs struct */
46	DEFINE(LER0,  offsetof(struct pt_regs, er0)      - sizeof(long));
47	DEFINE(LER1,  offsetof(struct pt_regs, er1)      - sizeof(long));
48	DEFINE(LER2,  offsetof(struct pt_regs, er2)      - sizeof(long));
49	DEFINE(LER3,  offsetof(struct pt_regs, er3)      - sizeof(long));
50	DEFINE(LER4,  offsetof(struct pt_regs, er4)      - sizeof(long));
51	DEFINE(LER5,  offsetof(struct pt_regs, er5)      - sizeof(long));
52	DEFINE(LER6,  offsetof(struct pt_regs, er6)      - sizeof(long));
53	DEFINE(LORIG, offsetof(struct pt_regs, orig_er0) - sizeof(long));
54	DEFINE(LCCR,  offsetof(struct pt_regs, ccr)      - sizeof(long));
55	DEFINE(LVEC,  offsetof(struct pt_regs, vector)   - sizeof(long));
56#if defined(__H8300S__)
57	DEFINE(LEXR,  offsetof(struct pt_regs, exr)      - sizeof(long));
58#endif
59	DEFINE(LRET,  offsetof(struct pt_regs, pc)       - sizeof(long));
60
61	DEFINE(PT_PTRACED, PT_PTRACED);
62	DEFINE(PT_DTRACE, PT_DTRACE);
63
64	return 0;
65}
66