1/*
2 * File:         arch/blackfin/kernel/asm-offsets.c
3 * Based on:
4 * Author:
5 *
6 * Created:
7 * Description:  generate definitions needed by assembly language modules.
8 *
9 * Modified:
10 *               Copyright 2004-2006 Analog Devices Inc.
11 *
12 * Bugs:         Enter bugs at http://blackfin.uclinux.org/
13 *
14 * This program is free software; you can redistribute it and/or modify
15 * it under the terms of the GNU General Public License as published by
16 * the Free Software Foundation; either version 2 of the License, or
17 * (at your option) any later version.
18 *
19 * This program is distributed in the hope that it will be useful,
20 * but WITHOUT ANY WARRANTY; without even the implied warranty of
21 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
22 * GNU General Public License for more details.
23 *
24 * You should have received a copy of the GNU General Public License
25 * along with this program; if not, see the file COPYING, or write
26 * to the Free Software Foundation, Inc.,
27 * 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
28 */
29
30#include <linux/stddef.h>
31#include <linux/sched.h>
32#include <linux/kernel_stat.h>
33#include <linux/ptrace.h>
34#include <linux/hardirq.h>
35#include <asm/irq.h>
36#include <asm/thread_info.h>
37
38#define DEFINE(sym, val) \
39        asm volatile("\n->" #sym " %0 " #val : : "i" (val))
40
41int main(void)
42{
43	/* offsets into the task struct */
44	DEFINE(TASK_STATE, offsetof(struct task_struct, state));
45	DEFINE(TASK_FLAGS, offsetof(struct task_struct, flags));
46	DEFINE(TASK_PTRACE, offsetof(struct task_struct, ptrace));
47	DEFINE(TASK_BLOCKED, offsetof(struct task_struct, blocked));
48	DEFINE(TASK_THREAD, offsetof(struct task_struct, thread));
49	DEFINE(TASK_THREAD_INFO, offsetof(struct task_struct, stack));
50	DEFINE(TASK_MM, offsetof(struct task_struct, mm));
51	DEFINE(TASK_ACTIVE_MM, offsetof(struct task_struct, active_mm));
52	DEFINE(TASK_SIGPENDING, offsetof(struct task_struct, pending));
53
54	/* offsets into the irq_cpustat_t struct */
55	DEFINE(CPUSTAT_SOFTIRQ_PENDING,
56	       offsetof(irq_cpustat_t, __softirq_pending));
57
58	/* offsets into the thread struct */
59	DEFINE(THREAD_KSP, offsetof(struct thread_struct, ksp));
60	DEFINE(THREAD_USP, offsetof(struct thread_struct, usp));
61	DEFINE(THREAD_SR, offsetof(struct thread_struct, seqstat));
62	DEFINE(PT_SR, offsetof(struct thread_struct, seqstat));
63	DEFINE(THREAD_ESP0, offsetof(struct thread_struct, esp0));
64	DEFINE(THREAD_PC, offsetof(struct thread_struct, pc));
65	DEFINE(KERNEL_STACK_SIZE, THREAD_SIZE);
66
67	/* offsets into the pt_regs */
68	DEFINE(PT_ORIG_P0, offsetof(struct pt_regs, orig_p0));
69	DEFINE(PT_ORIG_PC, offsetof(struct pt_regs, orig_pc));
70	DEFINE(PT_R0, offsetof(struct pt_regs, r0));
71	DEFINE(PT_R1, offsetof(struct pt_regs, r1));
72	DEFINE(PT_R2, offsetof(struct pt_regs, r2));
73	DEFINE(PT_R3, offsetof(struct pt_regs, r3));
74	DEFINE(PT_R4, offsetof(struct pt_regs, r4));
75	DEFINE(PT_R5, offsetof(struct pt_regs, r5));
76	DEFINE(PT_R6, offsetof(struct pt_regs, r6));
77	DEFINE(PT_R7, offsetof(struct pt_regs, r7));
78
79	DEFINE(PT_P0, offsetof(struct pt_regs, p0));
80	DEFINE(PT_P1, offsetof(struct pt_regs, p1));
81	DEFINE(PT_P2, offsetof(struct pt_regs, p2));
82	DEFINE(PT_P3, offsetof(struct pt_regs, p3));
83	DEFINE(PT_P4, offsetof(struct pt_regs, p4));
84	DEFINE(PT_P5, offsetof(struct pt_regs, p5));
85
86	DEFINE(PT_FP, offsetof(struct pt_regs, fp));
87	DEFINE(PT_USP, offsetof(struct pt_regs, usp));
88	DEFINE(PT_I0, offsetof(struct pt_regs, i0));
89	DEFINE(PT_I1, offsetof(struct pt_regs, i1));
90	DEFINE(PT_I2, offsetof(struct pt_regs, i2));
91	DEFINE(PT_I3, offsetof(struct pt_regs, i3));
92	DEFINE(PT_M0, offsetof(struct pt_regs, m0));
93	DEFINE(PT_M1, offsetof(struct pt_regs, m1));
94	DEFINE(PT_M2, offsetof(struct pt_regs, m2));
95	DEFINE(PT_M3, offsetof(struct pt_regs, m3));
96	DEFINE(PT_L0, offsetof(struct pt_regs, l0));
97	DEFINE(PT_L1, offsetof(struct pt_regs, l1));
98	DEFINE(PT_L2, offsetof(struct pt_regs, l2));
99	DEFINE(PT_L3, offsetof(struct pt_regs, l3));
100	DEFINE(PT_B0, offsetof(struct pt_regs, b0));
101	DEFINE(PT_B1, offsetof(struct pt_regs, b1));
102	DEFINE(PT_B2, offsetof(struct pt_regs, b2));
103	DEFINE(PT_B3, offsetof(struct pt_regs, b3));
104	DEFINE(PT_A0X, offsetof(struct pt_regs, a0x));
105	DEFINE(PT_A0W, offsetof(struct pt_regs, a0w));
106	DEFINE(PT_A1X, offsetof(struct pt_regs, a1x));
107	DEFINE(PT_A1W, offsetof(struct pt_regs, a1w));
108	DEFINE(PT_LC0, offsetof(struct pt_regs, lc0));
109	DEFINE(PT_LC1, offsetof(struct pt_regs, lc1));
110	DEFINE(PT_LT0, offsetof(struct pt_regs, lt0));
111	DEFINE(PT_LT1, offsetof(struct pt_regs, lt1));
112	DEFINE(PT_LB0, offsetof(struct pt_regs, lb0));
113	DEFINE(PT_LB1, offsetof(struct pt_regs, lb1));
114	DEFINE(PT_ASTAT, offsetof(struct pt_regs, astat));
115	DEFINE(PT_RESERVED, offsetof(struct pt_regs, reserved));
116	DEFINE(PT_RETS, offsetof(struct pt_regs, rets));
117	DEFINE(PT_PC, offsetof(struct pt_regs, pc));
118	DEFINE(PT_RETX, offsetof(struct pt_regs, retx));
119	DEFINE(PT_RETN, offsetof(struct pt_regs, retn));
120	DEFINE(PT_RETE, offsetof(struct pt_regs, rete));
121	DEFINE(PT_SEQSTAT, offsetof(struct pt_regs, seqstat));
122	DEFINE(PT_SYSCFG, offsetof(struct pt_regs, syscfg));
123	DEFINE(PT_IPEND, offsetof(struct pt_regs, ipend));
124	DEFINE(SIZEOF_PTREGS, sizeof(struct pt_regs));
125	DEFINE(PT_TEXT_ADDR, sizeof(struct pt_regs));        /* Needed by gdb */
126	DEFINE(PT_TEXT_END_ADDR, 4 + sizeof(struct pt_regs));/* Needed by gdb */
127	DEFINE(PT_DATA_ADDR, 8 + sizeof(struct pt_regs));    /* Needed by gdb */
128	DEFINE(PT_FDPIC_EXEC, 12 + sizeof(struct pt_regs));  /* Needed by gdb */
129	DEFINE(PT_FDPIC_INTERP, 16 + sizeof(struct pt_regs));/* Needed by gdb */
130
131	/* signal defines */
132	DEFINE(SIGSEGV, SIGSEGV);
133	DEFINE(SIGTRAP, SIGTRAP);
134
135	return 0;
136}
137