summaryrefslogtreecommitdiffstats
path: root/arch/xtensa/kernel/asm-offsets.c
blob: 8e10e357ee329bcd6cdafcd2e34bddc3ddd3e02c (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
/*
 * arch/xtensa/kernel/asm-offsets.c
 *
 * Generates definitions from c-type structures used by assembly sources.
 *
 * This file is subject to the terms and conditions of the GNU General Public
 * License.  See the file "COPYING" in the main directory of this archive
 * for more details.
 *
 * Copyright (C) 2005 Tensilica Inc.
 *
 * Chris Zankel <chris@zankel.net>
 */

#include <asm/processor.h>
#include <asm/coprocessor.h>

#include <linux/types.h>
#include <linux/stddef.h>
#include <linux/thread_info.h>
#include <linux/ptrace.h>
#include <linux/mm.h>
#include <linux/kbuild.h>

#include <asm/ptrace.h>
#include <asm/traps.h>
#include <asm/uaccess.h>

int main(void)
{
	/* struct pt_regs */
	DEFINE(PT_PC, offsetof (struct pt_regs, pc));
	DEFINE(PT_PS, offsetof (struct pt_regs, ps));
	DEFINE(PT_DEPC, offsetof (struct pt_regs, depc));
	DEFINE(PT_EXCCAUSE, offsetof (struct pt_regs, exccause));
	DEFINE(PT_EXCVADDR, offsetof (struct pt_regs, excvaddr));
	DEFINE(PT_DEBUGCAUSE, offsetof (struct pt_regs, debugcause));
	DEFINE(PT_WMASK, offsetof (struct pt_regs, wmask));
	DEFINE(PT_LBEG, offsetof (struct pt_regs, lbeg));
	DEFINE(PT_LEND, offsetof (struct pt_regs, lend));
	DEFINE(PT_LCOUNT, offsetof (struct pt_regs, lcount));
	DEFINE(PT_SAR, offsetof (struct pt_regs, sar));
	DEFINE(PT_ICOUNTLEVEL, offsetof (struct pt_regs, icountlevel));
	DEFINE(PT_SYSCALL, offsetof (struct pt_regs, syscall));
	DEFINE(PT_SCOMPARE1, offsetof(struct pt_regs, scompare1));
	DEFINE(PT_THREADPTR, offsetof(struct pt_regs, threadptr));
	DEFINE(PT_AREG, offsetof (struct pt_regs, areg[0]));
	DEFINE(PT_AREG0, offsetof (struct pt_regs, areg[0]));
	DEFINE(PT_AREG1, offsetof (struct pt_regs, areg[1]));
	DEFINE(PT_AREG2, offsetof (struct pt_regs, areg[2]));
	DEFINE(PT_AREG3, offsetof (struct pt_regs, areg[3]));
	DEFINE(PT_AREG4, offsetof (struct pt_regs, areg[4]));
	DEFINE(PT_AREG5, offsetof (struct pt_regs, areg[5]));
	DEFINE(PT_AREG6, offsetof (struct pt_regs, areg[6]));
	DEFINE(PT_AREG7, offsetof (struct pt_regs, areg[7]));
	DEFINE(PT_AREG8, offsetof (struct pt_regs, areg[8]));
	DEFINE(PT_AREG9, offsetof (struct pt_regs, areg[9]));
	DEFINE(PT_AREG10, offsetof (struct pt_regs, areg[10]));
	DEFINE(PT_AREG11, offsetof (struct pt_regs, areg[11]));
	DEFINE(PT_AREG12, offsetof (struct pt_regs, areg[12]));
	DEFINE(PT_AREG13, offsetof (struct pt_regs, areg[13]));
	DEFINE(PT_AREG14, offsetof (struct pt_regs, areg[14]));
	DEFINE(PT_AREG15, offsetof (struct pt_regs, areg[15]));
	DEFINE(PT_WINDOWBASE, offsetof (struct pt_regs, windowbase));
	DEFINE(PT_WINDOWSTART, offsetof(struct pt_regs, windowstart));
	DEFINE(PT_SIZE, sizeof(struct pt_regs));
	DEFINE(PT_AREG_END, offsetof (struct pt_regs, areg[XCHAL_NUM_AREGS]));
	DEFINE(PT_USER_SIZE, offsetof(struct pt_regs, areg[XCHAL_NUM_AREGS]));
	DEFINE(PT_XTREGS_OPT, offsetof(struct pt_regs, xtregs_opt));
	DEFINE(XTREGS_OPT_SIZE, sizeof(xtregs_opt_t));

	/* struct task_struct */
	DEFINE(TASK_PTRACE, offsetof (struct task_struct, ptrace));
	DEFINE(TASK_MM, offsetof (struct task_struct, mm));
	DEFINE(TASK_ACTIVE_MM, offsetof (struct task_struct, active_mm));
	DEFINE(TASK_PID, offsetof (struct task_struct, pid));
	DEFINE(TASK_THREAD, offsetof (struct task_struct, thread));
	DEFINE(TASK_THREAD_INFO, offsetof (struct task_struct, stack));
	DEFINE(TASK_STRUCT_SIZE, sizeof (struct task_struct));

	/* offsets in thread_info struct */
	OFFSET(TI_TASK, thread_info, task);
	OFFSET(TI_FLAGS, thread_info, flags);
	OFFSET(TI_STSTUS, thread_info, status);
	OFFSET(TI_CPU, thread_info, cpu);
	OFFSET(TI_PRE_COUNT, thread_info, preempt_count);
	OFFSET(TI_ADDR_LIMIT, thread_info, addr_limit);

	/* struct thread_info (offset from start_struct) */
	DEFINE(THREAD_RA, offsetof (struct task_struct, thread.ra));
	DEFINE(THREAD_SP, offsetof (struct task_struct, thread.sp));
	DEFINE(THREAD_CPENABLE, offsetof (struct thread_info, cpenable));
#if XTENSA_HAVE_COPROCESSORS
	DEFINE(THREAD_XTREGS_CP0, offsetof (struct thread_info, xtregs_cp));
	DEFINE(THREAD_XTREGS_CP1, offsetof (struct thread_info, xtregs_cp));
	DEFINE(THREAD_XTREGS_CP2, offsetof (struct thread_info, xtregs_cp));
	DEFINE(THREAD_XTREGS_CP3, offsetof (struct thread_info, xtregs_cp));
	DEFINE(THREAD_XTREGS_CP4, offsetof (struct thread_info, xtregs_cp));
	DEFINE(THREAD_XTREGS_CP5, offsetof (struct thread_info, xtregs_cp));
	DEFINE(THREAD_XTREGS_CP6, offsetof (struct thread_info, xtregs_cp));
	DEFINE(THREAD_XTREGS_CP7, offsetof (struct thread_info, xtregs_cp));
#endif
	DEFINE(THREAD_XTREGS_USER, offsetof (struct thread_info, xtregs_user));
	DEFINE(XTREGS_USER_SIZE, sizeof(xtregs_user_t));
	DEFINE(THREAD_CURRENT_DS, offsetof (struct task_struct, \
	       thread.current_ds));

	/* struct mm_struct */
	DEFINE(MM_USERS, offsetof(struct mm_struct, mm_users));
	DEFINE(MM_PGD, offsetof (struct mm_struct, pgd));
	DEFINE(MM_CONTEXT, offsetof (struct mm_struct, context));

	/* struct page */
	DEFINE(PAGE_FLAGS, offsetof(struct page, flags));

	/* constants */
	DEFINE(_CLONE_VM, CLONE_VM);
	DEFINE(_CLONE_UNTRACED, CLONE_UNTRACED);
	DEFINE(PG_ARCH_1, PG_arch_1);

	/* struct debug_table */
	DEFINE(DT_DEBUG_EXCEPTION,
	       offsetof(struct debug_table, debug_exception));
	DEFINE(DT_DEBUG_SAVE, offsetof(struct debug_table, debug_save));
#ifdef CONFIG_HAVE_HW_BREAKPOINT
	DEFINE(DT_DBREAKC_SAVE, offsetof(struct debug_table, dbreakc_save));
	DEFINE(DT_ICOUNT_SAVE, offsetof(struct debug_table, icount_save));
	DEFINE(DT_ICOUNT_LEVEL_SAVE,
	       offsetof(struct debug_table, icount_level_save));
#endif

	return 0;
}