1/*
2 * Generate definitions needed by assembly language modules.
3 * This code generates raw asm output which is post-processed
4 * to extract and format the required data.
5 */
6
7#include <linux/sched.h>
8#include <linux/signal.h>
9#include <linux/personality.h>
10#include <linux/kbuild.h>
11#include <asm/registers.h>
12#include <asm/ucontext.h>
13#include <asm/processor.h>
14#include <asm/thread_info.h>
15#include <asm/gdb-stub.h>
16
17#define DEF_PTREG(sym, reg) \
18        asm volatile("\n->" #sym " %0 offsetof(struct pt_regs, " #reg ")" \
19		     : : "i" (offsetof(struct pt_regs, reg)))
20
21#define DEF_IREG(sym, reg) \
22        asm volatile("\n->" #sym " %0 offsetof(struct user_context, " #reg ")" \
23		     : : "i" (offsetof(struct user_context, reg)))
24
25#define DEF_FREG(sym, reg) \
26        asm volatile("\n->" #sym " %0 offsetof(struct user_context, " #reg ")" \
27		     : : "i" (offsetof(struct user_context, reg)))
28
29#define DEF_0REG(sym, reg) \
30        asm volatile("\n->" #sym " %0 offsetof(struct frv_frame0, " #reg ")" \
31		     : : "i" (offsetof(struct frv_frame0, reg)))
32
33void foo(void)
34{
35	/* offsets into the thread_info structure */
36	OFFSET(TI_TASK,			thread_info, task);
37	OFFSET(TI_FLAGS,		thread_info, flags);
38	OFFSET(TI_STATUS,		thread_info, status);
39	OFFSET(TI_CPU,			thread_info, cpu);
40	OFFSET(TI_PREEMPT_COUNT,	thread_info, preempt_count);
41	OFFSET(TI_ADDR_LIMIT,		thread_info, addr_limit);
42	BLANK();
43
44	/* offsets into register file storage */
45	DEF_PTREG(REG_PSR,		psr);
46	DEF_PTREG(REG_ISR,		isr);
47	DEF_PTREG(REG_CCR,		ccr);
48	DEF_PTREG(REG_CCCR,		cccr);
49	DEF_PTREG(REG_LR,		lr);
50	DEF_PTREG(REG_LCR,		lcr);
51	DEF_PTREG(REG_PC,		pc);
52	DEF_PTREG(REG__STATUS,		__status);
53	DEF_PTREG(REG_SYSCALLNO,	syscallno);
54	DEF_PTREG(REG_ORIG_GR8,		orig_gr8);
55	DEF_PTREG(REG_GNER0,		gner0);
56	DEF_PTREG(REG_GNER1,		gner1);
57	DEF_PTREG(REG_IACC0,		iacc0);
58	DEF_PTREG(REG_TBR,		tbr);
59	DEF_PTREG(REG_GR0,		tbr);
60	DEFINE(REG__END,		sizeof(struct pt_regs));
61	BLANK();
62
63	DEF_0REG(REG_DCR,		debug.dcr);
64	DEF_0REG(REG_IBAR0,		debug.ibar[0]);
65	DEF_0REG(REG_DBAR0,		debug.dbar[0]);
66	DEF_0REG(REG_DBDR00,		debug.dbdr[0][0]);
67	DEF_0REG(REG_DBMR00,		debug.dbmr[0][0]);
68	BLANK();
69
70	DEF_IREG(__INT_GR0,		i.gr[0]);
71	DEF_FREG(__USER_FPMEDIA,	f);
72	DEF_FREG(__FPMEDIA_FR0,		f.fr[0]);
73	DEF_FREG(__FPMEDIA_FNER0,	f.fner[0]);
74	DEF_FREG(__FPMEDIA_MSR0,	f.msr[0]);
75	DEF_FREG(__FPMEDIA_ACC0,	f.acc[0]);
76	DEF_FREG(__FPMEDIA_ACCG0,	f.accg[0]);
77	DEF_FREG(__FPMEDIA_FSR0,	f.fsr[0]);
78	BLANK();
79
80	DEFINE(NR_PT_REGS,		sizeof(struct pt_regs) / 4);
81	DEFINE(NR_USER_INT_REGS,	sizeof(struct user_int_regs) / 4);
82	DEFINE(NR_USER_FPMEDIA_REGS,	sizeof(struct user_fpmedia_regs) / 4);
83	DEFINE(NR_USER_CONTEXT,		sizeof(struct user_context) / 4);
84	DEFINE(FRV_FRAME0_SIZE,		sizeof(struct frv_frame0));
85	BLANK();
86
87	/* offsets into thread_struct */
88	OFFSET(__THREAD_FRAME,		thread_struct, frame);
89	OFFSET(__THREAD_CURR,		thread_struct, curr);
90	OFFSET(__THREAD_SP,		thread_struct, sp);
91	OFFSET(__THREAD_FP,		thread_struct, fp);
92	OFFSET(__THREAD_LR,		thread_struct, lr);
93	OFFSET(__THREAD_PC,		thread_struct, pc);
94	OFFSET(__THREAD_GR16,		thread_struct, gr[0]);
95	OFFSET(__THREAD_SCHED_LR,	thread_struct, sched_lr);
96	OFFSET(__THREAD_FRAME0,		thread_struct, frame0);
97	OFFSET(__THREAD_USER,		thread_struct, user);
98	BLANK();
99
100	/* offsets into frv_debug_status */
101	OFFSET(DEBUG_BPSR,		frv_debug_status, bpsr);
102	OFFSET(DEBUG_DCR,		frv_debug_status, dcr);
103	OFFSET(DEBUG_BRR,		frv_debug_status, brr);
104	OFFSET(DEBUG_NMAR,		frv_debug_status, nmar);
105	BLANK();
106}
107