Linux Kernel  3.7.1
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asm-offsets.c
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1 /*
2  * Copyright (C) 2007-2009 Michal Simek <[email protected]>
3  * Copyright (C) 2007-2009 PetaLogix
4  * Copyright (C) 2006 Atmark Techno, Inc.
5  *
6  * This file is subject to the terms and conditions of the GNU General Public
7  * License. See the file "COPYING" in the main directory of this archive
8  * for more details.
9  */
10 
11 #include <linux/init.h>
12 #include <linux/stddef.h>
13 #include <linux/sched.h>
14 #include <linux/kernel_stat.h>
15 #include <linux/ptrace.h>
16 #include <linux/hardirq.h>
17 #include <linux/thread_info.h>
18 #include <linux/kbuild.h>
19 #include <asm/cpuinfo.h>
20 
21 int main(int argc, char *argv[])
22 {
23  /* struct pt_regs */
24  DEFINE(PT_SIZE, sizeof(struct pt_regs));
25  DEFINE(PT_MSR, offsetof(struct pt_regs, msr));
26  DEFINE(PT_EAR, offsetof(struct pt_regs, ear));
27  DEFINE(PT_ESR, offsetof(struct pt_regs, esr));
28  DEFINE(PT_FSR, offsetof(struct pt_regs, fsr));
29  DEFINE(PT_PC, offsetof(struct pt_regs, pc));
30  DEFINE(PT_R0, offsetof(struct pt_regs, r0));
31  DEFINE(PT_R1, offsetof(struct pt_regs, r1));
32  DEFINE(PT_R2, offsetof(struct pt_regs, r2));
33  DEFINE(PT_R3, offsetof(struct pt_regs, r3));
34  DEFINE(PT_R4, offsetof(struct pt_regs, r4));
35  DEFINE(PT_R5, offsetof(struct pt_regs, r5));
36  DEFINE(PT_R6, offsetof(struct pt_regs, r6));
37  DEFINE(PT_R7, offsetof(struct pt_regs, r7));
38  DEFINE(PT_R8, offsetof(struct pt_regs, r8));
39  DEFINE(PT_R9, offsetof(struct pt_regs, r9));
40  DEFINE(PT_R10, offsetof(struct pt_regs, r10));
41  DEFINE(PT_R11, offsetof(struct pt_regs, r11));
42  DEFINE(PT_R12, offsetof(struct pt_regs, r12));
43  DEFINE(PT_R13, offsetof(struct pt_regs, r13));
44  DEFINE(PT_R14, offsetof(struct pt_regs, r14));
45  DEFINE(PT_R15, offsetof(struct pt_regs, r15));
46  DEFINE(PT_R16, offsetof(struct pt_regs, r16));
47  DEFINE(PT_R17, offsetof(struct pt_regs, r17));
48  DEFINE(PT_R18, offsetof(struct pt_regs, r18));
49  DEFINE(PT_R19, offsetof(struct pt_regs, r19));
50  DEFINE(PT_R20, offsetof(struct pt_regs, r20));
51  DEFINE(PT_R21, offsetof(struct pt_regs, r21));
52  DEFINE(PT_R22, offsetof(struct pt_regs, r22));
53  DEFINE(PT_R23, offsetof(struct pt_regs, r23));
54  DEFINE(PT_R24, offsetof(struct pt_regs, r24));
55  DEFINE(PT_R25, offsetof(struct pt_regs, r25));
56  DEFINE(PT_R26, offsetof(struct pt_regs, r26));
57  DEFINE(PT_R27, offsetof(struct pt_regs, r27));
58  DEFINE(PT_R28, offsetof(struct pt_regs, r28));
59  DEFINE(PT_R29, offsetof(struct pt_regs, r29));
60  DEFINE(PT_R30, offsetof(struct pt_regs, r30));
61  DEFINE(PT_R31, offsetof(struct pt_regs, r31));
62  DEFINE(PT_MODE, offsetof(struct pt_regs, pt_mode));
63  BLANK();
64 
65  /* Magic offsets for PTRACE PEEK/POKE etc */
66  DEFINE(PT_TEXT_ADDR, sizeof(struct pt_regs) + 1);
67  DEFINE(PT_TEXT_LEN, sizeof(struct pt_regs) + 2);
68  DEFINE(PT_DATA_ADDR, sizeof(struct pt_regs) + 3);
69  BLANK();
70 
71  /* struct task_struct */
72  DEFINE(TS_THREAD_INFO, offsetof(struct task_struct, stack));
73 #ifdef CONFIG_MMU
74  DEFINE(TASK_STATE, offsetof(struct task_struct, state));
75  DEFINE(TASK_FLAGS, offsetof(struct task_struct, flags));
76  DEFINE(TASK_PTRACE, offsetof(struct task_struct, ptrace));
77  DEFINE(TASK_BLOCKED, offsetof(struct task_struct, blocked));
78  DEFINE(TASK_MM, offsetof(struct task_struct, mm));
79  DEFINE(TASK_ACTIVE_MM, offsetof(struct task_struct, active_mm));
80  DEFINE(TASK_PID, offsetof(struct task_struct, pid));
81  DEFINE(TASK_THREAD, offsetof(struct task_struct, thread));
82  DEFINE(THREAD_KSP, offsetof(struct thread_struct, ksp));
83  BLANK();
84 
85  DEFINE(PGDIR, offsetof(struct thread_struct, pgdir));
86  BLANK();
87 #endif
88 
89  /* struct thread_info */
90  DEFINE(TI_TASK, offsetof(struct thread_info, task));
91  DEFINE(TI_FLAGS, offsetof(struct thread_info, flags));
92  DEFINE(TI_ADDR_LIMIT, offsetof(struct thread_info, addr_limit));
93  DEFINE(TI_CPU_CONTEXT, offsetof(struct thread_info, cpu_context));
94  DEFINE(TI_PREEMPT_COUNT, offsetof(struct thread_info, preempt_count));
95  BLANK();
96 
97  /* struct cpu_context */
98  DEFINE(CC_R1, offsetof(struct cpu_context, r1)); /* r1 */
99  DEFINE(CC_R2, offsetof(struct cpu_context, r2));
100  /* dedicated registers */
101  DEFINE(CC_R13, offsetof(struct cpu_context, r13));
102  DEFINE(CC_R14, offsetof(struct cpu_context, r14));
103  DEFINE(CC_R15, offsetof(struct cpu_context, r15));
104  DEFINE(CC_R16, offsetof(struct cpu_context, r16));
105  DEFINE(CC_R17, offsetof(struct cpu_context, r17));
106  DEFINE(CC_R18, offsetof(struct cpu_context, r18));
107  /* non-volatile registers */
108  DEFINE(CC_R19, offsetof(struct cpu_context, r19));
109  DEFINE(CC_R20, offsetof(struct cpu_context, r20));
110  DEFINE(CC_R21, offsetof(struct cpu_context, r21));
111  DEFINE(CC_R22, offsetof(struct cpu_context, r22));
112  DEFINE(CC_R23, offsetof(struct cpu_context, r23));
113  DEFINE(CC_R24, offsetof(struct cpu_context, r24));
114  DEFINE(CC_R25, offsetof(struct cpu_context, r25));
115  DEFINE(CC_R26, offsetof(struct cpu_context, r26));
116  DEFINE(CC_R27, offsetof(struct cpu_context, r27));
117  DEFINE(CC_R28, offsetof(struct cpu_context, r28));
118  DEFINE(CC_R29, offsetof(struct cpu_context, r29));
119  DEFINE(CC_R30, offsetof(struct cpu_context, r30));
120  /* special purpose registers */
121  DEFINE(CC_MSR, offsetof(struct cpu_context, msr));
122  DEFINE(CC_EAR, offsetof(struct cpu_context, ear));
123  DEFINE(CC_ESR, offsetof(struct cpu_context, esr));
124  DEFINE(CC_FSR, offsetof(struct cpu_context, fsr));
125  BLANK();
126 
127  return 0;
128 }
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