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 <asm/bootinfo.h>
15#include <asm/irq.h>
16#include <asm/amigahw.h>
17#include <linux/font.h>
18
19#define DEFINE(sym, val) \
20	asm volatile("\n->" #sym " %0 " #val : : "i" (val))
21
22int main(void)
23{
24	/* offsets into the task struct */
25	DEFINE(TASK_STATE, offsetof(struct task_struct, state));
26	DEFINE(TASK_FLAGS, offsetof(struct task_struct, flags));
27	DEFINE(TASK_PTRACE, offsetof(struct task_struct, ptrace));
28	DEFINE(TASK_THREAD, offsetof(struct task_struct, thread));
29	DEFINE(TASK_INFO, offsetof(struct task_struct, thread.info));
30	DEFINE(TASK_MM, offsetof(struct task_struct, mm));
31	DEFINE(TASK_ACTIVE_MM, offsetof(struct task_struct, active_mm));
32
33	/* offsets into the thread struct */
34	DEFINE(THREAD_KSP, offsetof(struct thread_struct, ksp));
35	DEFINE(THREAD_USP, offsetof(struct thread_struct, usp));
36	DEFINE(THREAD_SR, offsetof(struct thread_struct, sr));
37	DEFINE(THREAD_FS, offsetof(struct thread_struct, fs));
38	DEFINE(THREAD_CRP, offsetof(struct thread_struct, crp));
39	DEFINE(THREAD_ESP0, offsetof(struct thread_struct, esp0));
40	DEFINE(THREAD_FPREG, offsetof(struct thread_struct, fp));
41	DEFINE(THREAD_FPCNTL, offsetof(struct thread_struct, fpcntl));
42	DEFINE(THREAD_FPSTATE, offsetof(struct thread_struct, fpstate));
43
44	/* offsets into the thread_info struct */
45	DEFINE(TINFO_PREEMPT, offsetof(struct thread_info, preempt_count));
46	DEFINE(TINFO_FLAGS, offsetof(struct thread_info, flags));
47
48	/* offsets into the pt_regs */
49	DEFINE(PT_D0, offsetof(struct pt_regs, d0));
50	DEFINE(PT_ORIG_D0, offsetof(struct pt_regs, orig_d0));
51	DEFINE(PT_D1, offsetof(struct pt_regs, d1));
52	DEFINE(PT_D2, offsetof(struct pt_regs, d2));
53	DEFINE(PT_D3, offsetof(struct pt_regs, d3));
54	DEFINE(PT_D4, offsetof(struct pt_regs, d4));
55	DEFINE(PT_D5, offsetof(struct pt_regs, d5));
56	DEFINE(PT_A0, offsetof(struct pt_regs, a0));
57	DEFINE(PT_A1, offsetof(struct pt_regs, a1));
58	DEFINE(PT_A2, offsetof(struct pt_regs, a2));
59	DEFINE(PT_PC, offsetof(struct pt_regs, pc));
60	DEFINE(PT_SR, offsetof(struct pt_regs, sr));
61	/* bitfields are a bit difficult */
62	DEFINE(PT_VECTOR, offsetof(struct pt_regs, pc) + 4);
63
64	/* offsets into the irq_handler struct */
65	DEFINE(IRQ_HANDLER, offsetof(struct irq_node, handler));
66	DEFINE(IRQ_DEVID, offsetof(struct irq_node, dev_id));
67	DEFINE(IRQ_NEXT, offsetof(struct irq_node, next));
68
69	/* offsets into the kernel_stat struct */
70	DEFINE(STAT_IRQ, offsetof(struct kernel_stat, irqs));
71
72	/* offsets into the irq_cpustat_t struct */
73	DEFINE(CPUSTAT_SOFTIRQ_PENDING, offsetof(irq_cpustat_t, __softirq_pending));
74
75	/* offsets into the bi_record struct */
76	DEFINE(BIR_TAG, offsetof(struct bi_record, tag));
77	DEFINE(BIR_SIZE, offsetof(struct bi_record, size));
78	DEFINE(BIR_DATA, offsetof(struct bi_record, data));
79
80	/* offsets into font_desc (drivers/video/console/font.h) */
81	DEFINE(FONT_DESC_IDX, offsetof(struct font_desc, idx));
82	DEFINE(FONT_DESC_NAME, offsetof(struct font_desc, name));
83	DEFINE(FONT_DESC_WIDTH, offsetof(struct font_desc, width));
84	DEFINE(FONT_DESC_HEIGHT, offsetof(struct font_desc, height));
85	DEFINE(FONT_DESC_DATA, offsetof(struct font_desc, data));
86	DEFINE(FONT_DESC_PREF, offsetof(struct font_desc, pref));
87
88	/* signal defines */
89	DEFINE(SIGSEGV, SIGSEGV);
90	DEFINE(SEGV_MAPERR, SEGV_MAPERR);
91	DEFINE(SIGTRAP, SIGTRAP);
92	DEFINE(TRAP_TRACE, TRAP_TRACE);
93
94	/* offsets into the custom struct */
95	DEFINE(CUSTOMBASE, &amiga_custom);
96	DEFINE(C_INTENAR, offsetof(struct CUSTOM, intenar));
97	DEFINE(C_INTREQR, offsetof(struct CUSTOM, intreqr));
98	DEFINE(C_INTENA, offsetof(struct CUSTOM, intena));
99	DEFINE(C_INTREQ, offsetof(struct CUSTOM, intreq));
100	DEFINE(C_SERDATR, offsetof(struct CUSTOM, serdatr));
101	DEFINE(C_SERDAT, offsetof(struct CUSTOM, serdat));
102	DEFINE(C_SERPER, offsetof(struct CUSTOM, serper));
103	DEFINE(CIAABASE, &ciaa);
104	DEFINE(CIABBASE, &ciab);
105	DEFINE(C_PRA, offsetof(struct CIA, pra));
106	DEFINE(ZTWOBASE, zTwoBase);
107
108	return 0;
109}
110