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asm-offsets.c
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1 /*
2  * generate definitions needed by assembly language modules
3  *
4  * Copyright 2004-2009 Analog Devices Inc.
5  *
6  * Licensed under the GPL-2 or later
7  */
8 
9 #include <linux/stddef.h>
10 #include <linux/sched.h>
11 #include <linux/kernel_stat.h>
12 #include <linux/ptrace.h>
13 #include <linux/hardirq.h>
14 #include <linux/irq.h>
15 #include <linux/thread_info.h>
16 #include <linux/kbuild.h>
17 #include <asm/pda.h>
18 
19 int main(void)
20 {
21  /* offsets into the task struct */
22  DEFINE(TASK_STATE, offsetof(struct task_struct, state));
23  DEFINE(TASK_FLAGS, offsetof(struct task_struct, flags));
24  DEFINE(TASK_PTRACE, offsetof(struct task_struct, ptrace));
25  DEFINE(TASK_BLOCKED, offsetof(struct task_struct, blocked));
26  DEFINE(TASK_THREAD, offsetof(struct task_struct, thread));
27  DEFINE(TASK_THREAD_INFO, offsetof(struct task_struct, stack));
28  DEFINE(TASK_MM, offsetof(struct task_struct, mm));
29  DEFINE(TASK_ACTIVE_MM, offsetof(struct task_struct, active_mm));
30  DEFINE(TASK_SIGPENDING, offsetof(struct task_struct, pending));
31 
32  /* offsets into the irq_cpustat_t struct */
33  DEFINE(CPUSTAT_SOFTIRQ_PENDING,
34  offsetof(irq_cpustat_t, __softirq_pending));
35 
36  /* offsets into the thread struct */
37  DEFINE(THREAD_KSP, offsetof(struct thread_struct, ksp));
38  DEFINE(THREAD_USP, offsetof(struct thread_struct, usp));
39  DEFINE(THREAD_SR, offsetof(struct thread_struct, seqstat));
40  DEFINE(PT_SR, offsetof(struct thread_struct, seqstat));
41  DEFINE(THREAD_ESP0, offsetof(struct thread_struct, esp0));
42  DEFINE(THREAD_PC, offsetof(struct thread_struct, pc));
43  DEFINE(KERNEL_STACK_SIZE, THREAD_SIZE);
44 
45  /* offsets into the pt_regs */
46  DEFINE(PT_ORIG_R0, offsetof(struct pt_regs, orig_r0));
47  DEFINE(PT_ORIG_P0, offsetof(struct pt_regs, orig_p0));
48  DEFINE(PT_ORIG_PC, offsetof(struct pt_regs, orig_pc));
49  DEFINE(PT_R0, offsetof(struct pt_regs, r0));
50  DEFINE(PT_R1, offsetof(struct pt_regs, r1));
51  DEFINE(PT_R2, offsetof(struct pt_regs, r2));
52  DEFINE(PT_R3, offsetof(struct pt_regs, r3));
53  DEFINE(PT_R4, offsetof(struct pt_regs, r4));
54  DEFINE(PT_R5, offsetof(struct pt_regs, r5));
55  DEFINE(PT_R6, offsetof(struct pt_regs, r6));
56  DEFINE(PT_R7, offsetof(struct pt_regs, r7));
57 
58  DEFINE(PT_P0, offsetof(struct pt_regs, p0));
59  DEFINE(PT_P1, offsetof(struct pt_regs, p1));
60  DEFINE(PT_P2, offsetof(struct pt_regs, p2));
61  DEFINE(PT_P3, offsetof(struct pt_regs, p3));
62  DEFINE(PT_P4, offsetof(struct pt_regs, p4));
63  DEFINE(PT_P5, offsetof(struct pt_regs, p5));
64 
65  DEFINE(PT_FP, offsetof(struct pt_regs, fp));
66  DEFINE(PT_USP, offsetof(struct pt_regs, usp));
67  DEFINE(PT_I0, offsetof(struct pt_regs, i0));
68  DEFINE(PT_I1, offsetof(struct pt_regs, i1));
69  DEFINE(PT_I2, offsetof(struct pt_regs, i2));
70  DEFINE(PT_I3, offsetof(struct pt_regs, i3));
71  DEFINE(PT_M0, offsetof(struct pt_regs, m0));
72  DEFINE(PT_M1, offsetof(struct pt_regs, m1));
73  DEFINE(PT_M2, offsetof(struct pt_regs, m2));
74  DEFINE(PT_M3, offsetof(struct pt_regs, m3));
75  DEFINE(PT_L0, offsetof(struct pt_regs, l0));
76  DEFINE(PT_L1, offsetof(struct pt_regs, l1));
77  DEFINE(PT_L2, offsetof(struct pt_regs, l2));
78  DEFINE(PT_L3, offsetof(struct pt_regs, l3));
79  DEFINE(PT_B0, offsetof(struct pt_regs, b0));
80  DEFINE(PT_B1, offsetof(struct pt_regs, b1));
81  DEFINE(PT_B2, offsetof(struct pt_regs, b2));
82  DEFINE(PT_B3, offsetof(struct pt_regs, b3));
83  DEFINE(PT_A0X, offsetof(struct pt_regs, a0x));
84  DEFINE(PT_A0W, offsetof(struct pt_regs, a0w));
85  DEFINE(PT_A1X, offsetof(struct pt_regs, a1x));
86  DEFINE(PT_A1W, offsetof(struct pt_regs, a1w));
87  DEFINE(PT_LC0, offsetof(struct pt_regs, lc0));
88  DEFINE(PT_LC1, offsetof(struct pt_regs, lc1));
89  DEFINE(PT_LT0, offsetof(struct pt_regs, lt0));
90  DEFINE(PT_LT1, offsetof(struct pt_regs, lt1));
91  DEFINE(PT_LB0, offsetof(struct pt_regs, lb0));
92  DEFINE(PT_LB1, offsetof(struct pt_regs, lb1));
93  DEFINE(PT_ASTAT, offsetof(struct pt_regs, astat));
94  DEFINE(PT_RESERVED, offsetof(struct pt_regs, reserved));
95  DEFINE(PT_RETS, offsetof(struct pt_regs, rets));
96  DEFINE(PT_PC, offsetof(struct pt_regs, pc));
97  DEFINE(PT_RETX, offsetof(struct pt_regs, retx));
98  DEFINE(PT_RETN, offsetof(struct pt_regs, retn));
99  DEFINE(PT_RETE, offsetof(struct pt_regs, rete));
100  DEFINE(PT_SEQSTAT, offsetof(struct pt_regs, seqstat));
101  DEFINE(PT_SYSCFG, offsetof(struct pt_regs, syscfg));
102  DEFINE(PT_IPEND, offsetof(struct pt_regs, ipend));
103  DEFINE(SIZEOF_PTREGS, sizeof(struct pt_regs));
104  DEFINE(PT_TEXT_ADDR, sizeof(struct pt_regs)); /* Needed by gdb */
105  DEFINE(PT_TEXT_END_ADDR, 4 + sizeof(struct pt_regs));/* Needed by gdb */
106  DEFINE(PT_DATA_ADDR, 8 + sizeof(struct pt_regs)); /* Needed by gdb */
107  DEFINE(PT_FDPIC_EXEC, 12 + sizeof(struct pt_regs)); /* Needed by gdb */
108  DEFINE(PT_FDPIC_INTERP, 16 + sizeof(struct pt_regs));/* Needed by gdb */
109 
110  /* signal defines */
111  DEFINE(SIGSEGV, SIGSEGV);
112  DEFINE(SIGTRAP, SIGTRAP);
113 
114  /* PDA management (in L1 scratchpad) */
115  DEFINE(PDA_SYSCFG, offsetof(struct blackfin_pda, syscfg));
116 #ifdef CONFIG_SMP
117  DEFINE(PDA_IRQFLAGS, offsetof(struct blackfin_pda, imask));
118 #endif
119  DEFINE(PDA_IPDT, offsetof(struct blackfin_pda, ipdt));
120  DEFINE(PDA_IPDT_SWAPCOUNT, offsetof(struct blackfin_pda, ipdt_swapcount));
121  DEFINE(PDA_DPDT, offsetof(struct blackfin_pda, dpdt));
122  DEFINE(PDA_DPDT_SWAPCOUNT, offsetof(struct blackfin_pda, dpdt_swapcount));
123  DEFINE(PDA_EXIPTR, offsetof(struct blackfin_pda, ex_iptr));
124  DEFINE(PDA_EXOPTR, offsetof(struct blackfin_pda, ex_optr));
125  DEFINE(PDA_EXBUF, offsetof(struct blackfin_pda, ex_buf));
126  DEFINE(PDA_EXIMASK, offsetof(struct blackfin_pda, ex_imask));
127  DEFINE(PDA_EXSTACK, offsetof(struct blackfin_pda, ex_stack));
128  DEFINE(PDA_EXIPEND, offsetof(struct blackfin_pda, ex_ipend));
129 #ifdef ANOMALY_05000261
130  DEFINE(PDA_LFRETX, offsetof(struct blackfin_pda, last_cplb_fault_retx));
131 #endif
132  DEFINE(PDA_DCPLB, offsetof(struct blackfin_pda, dcplb_fault_addr));
133  DEFINE(PDA_ICPLB, offsetof(struct blackfin_pda, icplb_fault_addr));
134  DEFINE(PDA_RETX, offsetof(struct blackfin_pda, retx));
135  DEFINE(PDA_SEQSTAT, offsetof(struct blackfin_pda, seqstat));
136 #ifdef CONFIG_DEBUG_DOUBLEFAULT
137  DEFINE(PDA_DF_DCPLB, offsetof(struct blackfin_pda, dcplb_doublefault_addr));
138  DEFINE(PDA_DF_ICPLB, offsetof(struct blackfin_pda, icplb_doublefault_addr));
139  DEFINE(PDA_DF_SEQSTAT, offsetof(struct blackfin_pda, seqstat_doublefault));
140  DEFINE(PDA_DF_RETX, offsetof(struct blackfin_pda, retx_doublefault));
141 #endif
142 
143  /* PDA initial management */
144  DEFINE(PDA_INIT_RETX, offsetof(struct blackfin_initial_pda, retx));
145 #ifdef CONFIG_DEBUG_DOUBLEFAULT
146  DEFINE(PDA_INIT_DF_DCPLB, offsetof(struct blackfin_initial_pda, dcplb_doublefault_addr));
147  DEFINE(PDA_INIT_DF_ICPLB, offsetof(struct blackfin_initial_pda, icplb_doublefault_addr));
148  DEFINE(PDA_INIT_DF_SEQSTAT, offsetof(struct blackfin_initial_pda, seqstat_doublefault));
149  DEFINE(PDA_INIT_DF_RETX, offsetof(struct blackfin_initial_pda, retx_doublefault));
150 #endif
151 
152 #ifdef CONFIG_SMP
153  /* Inter-core lock (in L2 SRAM) */
154  DEFINE(SIZEOF_CORELOCK, sizeof(struct corelock_slot));
155 #endif
156 
157  return 0;
158 }
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