aboutsummaryrefslogtreecommitdiffstats
path: root/arch/mips/kernel/asm-offsets.c
blob: 761a779d5c4f67a8620f6efe481f0c2829d002d1 (plain) (blame)
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
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
/*
 * offset.c: Calculate pt_regs and task_struct offsets.
 *
 * Copyright (C) 1996 David S. Miller
 * Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003 Ralf Baechle
 * Copyright (C) 1999, 2000 Silicon Graphics, Inc.
 *
 * Kevin Kissell, kevink@mips.com and Carsten Langgaard, carstenl@mips.com
 * Copyright (C) 2000 MIPS Technologies, Inc.
 */
#include <linux/compat.h>
#include <linux/types.h>
#include <linux/sched.h>
#include <linux/mm.h>
#include <linux/interrupt.h>

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

#define text(t) __asm__("\n@@@" t)
#define _offset(type, member) (&(((type *)NULL)->member))
#define offset(string, ptr, member) \
	__asm__("\n@@@" string "%0" : : "i" (_offset(ptr, member)))
#define constant(string, member) \
	__asm__("\n@@@" string "%X0" : : "ri" (member))
#define size(string, size) \
	__asm__("\n@@@" string "%0" : : "i" (sizeof(size)))
#define linefeed text("")

void output_ptreg_defines(void)
{
	text("/* MIPS pt_regs offsets. */");
	offset("#define PT_R0     ", struct pt_regs, regs[0]);
	offset("#define PT_R1     ", struct pt_regs, regs[1]);
	offset("#define PT_R2     ", struct pt_regs, regs[2]);
	offset("#define PT_R3     ", struct pt_regs, regs[3]);
	offset("#define PT_R4     ", struct pt_regs, regs[4]);
	offset("#define PT_R5     ", struct pt_regs, regs[5]);
	offset("#define PT_R6     ", struct pt_regs, regs[6]);
	offset("#define PT_R7     ", struct pt_regs, regs[7]);
	offset("#define PT_R8     ", struct pt_regs, regs[8]);
	offset("#define PT_R9     ", struct pt_regs, regs[9]);
	offset("#define PT_R10    ", struct pt_regs, regs[10]);
	offset("#define PT_R11    ", struct pt_regs, regs[11]);
	offset("#define PT_R12    ", struct pt_regs, regs[12]);
	offset("#define PT_R13    ", struct pt_regs, regs[13]);
	offset("#define PT_R14    ", struct pt_regs, regs[14]);
	offset("#define PT_R15    ", struct pt_regs, regs[15]);
	offset("#define PT_R16    ", struct pt_regs, regs[16]);
	offset("#define PT_R17    ", struct pt_regs, regs[17]);
	offset("#define PT_R18    ", struct pt_regs, regs[18]);
	offset("#define PT_R19    ", struct pt_regs, regs[19]);
	offset("#define PT_R20    ", struct pt_regs, regs[20]);
	offset("#define PT_R21    ", struct pt_regs, regs[21]);
	offset("#define PT_R22    ", struct pt_regs, regs[22]);
	offset("#define PT_R23    ", struct pt_regs, regs[23]);
	offset("#define PT_R24    ", struct pt_regs, regs[24]);
	offset("#define PT_R25    ", struct pt_regs, regs[25]);
	offset("#define PT_R26    ", struct pt_regs, regs[26]);
	offset("#define PT_R27    ", struct pt_regs, regs[27]);
	offset("#define PT_R28    ", struct pt_regs, regs[28]);
	offset("#define PT_R29    ", struct pt_regs, regs[29]);
	offset("#define PT_R30    ", struct pt_regs, regs[30]);
	offset("#define PT_R31    ", struct pt_regs, regs[31]);
	offset("#define PT_LO     ", struct pt_regs, lo);
	offset("#define PT_HI     ", struct pt_regs, hi);
#ifdef CONFIG_CPU_HAS_SMARTMIPS
	offset("#define PT_ACX    ", struct pt_regs, acx);
#endif
	offset("#define PT_EPC    ", struct pt_regs, cp0_epc);
	offset("#define PT_BVADDR ", struct pt_regs, cp0_badvaddr);
	offset("#define PT_STATUS ", struct pt_regs, cp0_status);
	offset("#define PT_CAUSE  ", struct pt_regs, cp0_cause);
#ifdef CONFIG_MIPS_MT_SMTC
	offset("#define PT_TCSTATUS  ", struct pt_regs, cp0_tcstatus);
#endif /* CONFIG_MIPS_MT_SMTC */
	size("#define PT_SIZE   ", struct pt_regs);
	linefeed;
}

void output_task_defines(void)
{
	text("/* MIPS task_struct offsets. */");
	offset("#define TASK_STATE         ", struct task_struct, state);
	offset("#define TASK_THREAD_INFO   ", struct task_struct, thread_info);
	offset("#define TASK_FLAGS         ", struct task_struct, flags);
	offset("#define TASK_MM            ", struct task_struct, mm);
	offset("#define TASK_PID           ", struct task_struct, pid);
	size(  "#define TASK_STRUCT_SIZE   ", struct task_struct);
	linefeed;
}

void output_thread_info_defines(void)
{
	text("/* MIPS thread_info offsets. */");
	offset("#define TI_TASK            ", struct thread_info, task);
	offset("#define TI_EXEC_DOMAIN     ", struct thread_info, exec_domain);
	offset("#define TI_FLAGS           ", struct thread_info, flags);
	offset("#define TI_TP_VALUE	   ", struct thread_info, tp_value);
	offset("#define TI_CPU             ", struct thread_info, cpu);
	offset("#define TI_PRE_COUNT       ", struct thread_info, preempt_count);
	offset("#define TI_ADDR_LIMIT      ", struct thread_info, addr_limit);
	offset("#define TI_RESTART_BLOCK   ", struct thread_info, restart_block);
	offset("#define TI_REGS            ", struct thread_info, regs);
	constant("#define _THREAD_SIZE       ", THREAD_SIZE);
	constant("#define _THREAD_MASK       ", THREAD_MASK);
	linefeed;
}

void output_thread_defines(void)
{
	text("/* MIPS specific thread_struct offsets. */");
	offset("#define THREAD_REG16   ", struct task_struct, thread.reg16);
	offset("#define THREAD_REG17   ", struct task_struct, thread.reg17);
	offset("#define THREAD_REG18   ", struct task_struct, thread.reg18);
	offset("#define THREAD_REG19   ", struct task_struct, thread.reg19);
	offset("#define THREAD_REG20   ", struct task_struct, thread.reg20);
	offset("#define THREAD_REG21   ", struct task_struct, thread.reg21);
	offset("#define THREAD_REG22   ", struct task_struct, thread.reg22);
	offset("#define THREAD_REG23   ", struct task_struct, thread.reg23);
	offset("#define THREAD_REG29   ", struct task_struct, thread.reg29);
	offset("#define THREAD_REG30   ", struct task_struct, thread.reg30);
	offset("#define THREAD_REG31   ", struct task_struct, thread.reg31);
	offset("#define THREAD_STATUS  ", struct task_struct,
	       thread.cp0_status);
	offset("#define THREAD_FPU     ", struct task_struct, thread.fpu);

	offset("#define THREAD_BVADDR  ", struct task_struct, \
	       thread.cp0_badvaddr);
	offset("#define THREAD_BUADDR  ", struct task_struct, \
	       thread.cp0_baduaddr);
	offset("#define THREAD_ECODE   ", struct task_struct, \
	       thread.error_code);
	offset("#define THREAD_TRAPNO  ", struct task_struct, thread.trap_no);
	offset("#define THREAD_MFLAGS  ", struct task_struct, thread.mflags);
	offset("#define THREAD_TRAMP   ", struct task_struct, \
	       thread.irix_trampoline);
	offset("#define THREAD_OLDCTX  ", struct task_struct, \
	       thread.irix_oldctx);
	linefeed;
}

void output_thread_fpu_defines(void)
{
	offset("#define THREAD_FPR0    ",
	       struct task_struct, thread.fpu.fpr[0]);
	offset("#define THREAD_FPR1    ",
	       struct task_struct, thread.fpu.fpr[1]);
	offset("#define THREAD_FPR2    ",
	       struct task_struct, thread.fpu.fpr[2]);
	offset("#define THREAD_FPR3    ",
	       struct task_struct, thread.fpu.fpr[3]);
	offset("#define THREAD_FPR4    ",
	       struct task_struct, thread.fpu.fpr[4]);
	offset("#define THREAD_FPR5    ",
	       struct task_struct, thread.fpu.fpr[5]);
	offset("#define THREAD_FPR6    ",
	       struct task_struct, thread.fpu.fpr[6]);
	offset("#define THREAD_FPR7    ",
	       struct task_struct, thread.fpu.fpr[7]);
	offset("#define THREAD_FPR8    ",
	       struct task_struct, thread.fpu.fpr[8]);
	offset("#define THREAD_FPR9    ",
	       struct task_struct, thread.fpu.fpr[9]);
	offset("#define THREAD_FPR10   ",
	       struct task_struct, thread.fpu.fpr[10]);
	offset("#define THREAD_FPR11   ",
	       struct task_struct, thread.fpu.fpr[11]);
	offset("#define THREAD_FPR12   ",
	       struct task_struct, thread.fpu.fpr[12]);
	offset("#define THREAD_FPR13   ",
	       struct task_struct, thread.fpu.fpr[13]);
	offset("#define THREAD_FPR14   ",
	       struct task_struct, thread.fpu.fpr[14]);
	offset("#define THREAD_FPR15   ",
	       struct task_struct, thread.fpu.fpr[15]);
	offset("#define THREAD_FPR16   ",
	       struct task_struct, thread.fpu.fpr[16]);
	offset("#define THREAD_FPR17   ",
	       struct task_struct, thread.fpu.fpr[17]);
	offset("#define THREAD_FPR18   ",
	       struct task_struct, thread.fpu.fpr[18]);
	offset("#define THREAD_FPR19   ",
	       struct task_struct, thread.fpu.fpr[19]);
	offset("#define THREAD_FPR20   ",
	       struct task_struct, thread.fpu.fpr[20]);
	offset("#define THREAD_FPR21   ",
	       struct task_struct, thread.fpu.fpr[21]);
	offset("#define THREAD_FPR22   ",
	       struct task_struct, thread.fpu.fpr[22]);
	offset("#define THREAD_FPR23   ",
	       struct task_struct, thread.fpu.fpr[23]);
	offset("#define THREAD_FPR24   ",
	       struct task_struct, thread.fpu.fpr[24]);
	offset("#define THREAD_FPR25   ",
	       struct task_struct, thread.fpu.fpr[25]);
	offset("#define THREAD_FPR26   ",
	       struct task_struct, thread.fpu.fpr[26]);
	offset("#define THREAD_FPR27   ",
	       struct task_struct, thread.fpu.fpr[27]);
	offset("#define THREAD_FPR28   ",
	       struct task_struct, thread.fpu.fpr[28]);
	offset("#define THREAD_FPR29   ",
	       struct task_struct, thread.fpu.fpr[29]);
	offset("#define THREAD_FPR30   ",
	       struct task_struct, thread.fpu.fpr[30]);
	offset("#define THREAD_FPR31   ",
	       struct task_struct, thread.fpu.fpr[31]);

	offset("#define THREAD_FCR31   ",
	       struct task_struct, thread.fpu.fcr31);
	linefeed;
}

void output_mm_defines(void)
{
	text("/* Size of struct page  */");
	size("#define STRUCT_PAGE_SIZE   ", struct page);
	linefeed;
	text("/* Linux mm_struct offsets. */");
	offset("#define MM_USERS      ", struct mm_struct, mm_users);
	offset("#define MM_PGD        ", struct mm_struct, pgd);
	offset("#define MM_CONTEXT    ", struct mm_struct, context);
	linefeed;
	constant("#define _PAGE_SIZE     ", PAGE_SIZE);
	constant("#define _PAGE_SHIFT    ", PAGE_SHIFT);
	linefeed;
	constant("#define _PGD_T_SIZE    ", sizeof(pgd_t));
	constant("#define _PMD_T_SIZE    ", sizeof(pmd_t));
	constant("#define _PTE_T_SIZE    ", sizeof(pte_t));
	linefeed;
	constant("#define _PGD_T_LOG2    ", PGD_T_LOG2);
	constant("#define _PMD_T_LOG2    ", PMD_T_LOG2);
	constant("#define _PTE_T_LOG2    ", PTE_T_LOG2);
	linefeed;
	constant("#define _PMD_SHIFT     ", PMD_SHIFT);
	constant("#define _PGDIR_SHIFT   ", PGDIR_SHIFT);
	linefeed;
	constant("#define _PTRS_PER_PGD  ", PTRS_PER_PGD);
	constant("#define _PTRS_PER_PMD  ", PTRS_PER_PMD);
	constant("#define _PTRS_PER_PTE  ", PTRS_PER_PTE);
	linefeed;
}

#ifdef CONFIG_32BIT
void output_sc_defines(void)
{
	text("/* Linux sigcontext offsets. */");
	offset("#define SC_REGS       ", struct sigcontext, sc_regs);
	offset("#define SC_FPREGS     ", struct sigcontext, sc_fpregs);
	offset("#define SC_ACX        ", struct sigcontext, sc_acx);
	offset("#define SC_MDHI       ", struct sigcontext, sc_mdhi);
	offset("#define SC_MDLO       ", struct sigcontext, sc_mdlo);
	offset("#define SC_PC         ", struct sigcontext, sc_pc);
	offset("#define SC_FPC_CSR    ", struct sigcontext, sc_fpc_csr);
	offset("#define SC_FPC_EIR    ", struct sigcontext, sc_fpc_eir);
	offset("#define SC_HI1        ", struct sigcontext, sc_hi1);
	offset("#define SC_LO1        ", struct sigcontext, sc_lo1);
	offset("#define SC_HI2        ", struct sigcontext, sc_hi2);
	offset("#define SC_LO2        ", struct sigcontext, sc_lo2);
	offset("#define SC_HI3        ", struct sigcontext, sc_hi3);
	offset("#define SC_LO3        ", struct sigcontext, sc_lo3);
	linefeed;
}
#endif

#ifdef CONFIG_64BIT
void output_sc_defines(void)
{
	text("/* Linux sigcontext offsets. */");
	offset("#define SC_REGS       ", struct sigcontext, sc_regs);
	offset("#define SC_FPREGS     ", struct sigcontext, sc_fpregs);
	offset("#define SC_MDHI       ", struct sigcontext, sc_mdhi);
	offset("#define SC_MDLO       ", struct sigcontext, sc_mdlo);
	offset("#define SC_PC         ", struct sigcontext, sc_pc);
	offset("#define SC_FPC_CSR    ", struct sigcontext, sc_fpc_csr);
	linefeed;
}
#endif

#ifdef CONFIG_MIPS32_COMPAT
void output_sc32_defines(void)
{
	text("/* Linux 32-bit sigcontext offsets. */");
	offset("#define SC32_FPREGS     ", struct sigcontext32, sc_fpregs);
	offset("#define SC32_FPC_CSR    ", struct sigcontext32, sc_fpc_csr);
	offset("#define SC32_FPC_EIR    ", struct sigcontext32, sc_fpc_eir);
	linefeed;
}
#endif

void output_signal_defined(void)
{
	text("/* Linux signal numbers. */");
	constant("#define _SIGHUP     ", SIGHUP);
	constant("#define _SIGINT     ", SIGINT);
	constant("#define _SIGQUIT    ", SIGQUIT);
	constant("#define _SIGILL     ", SIGILL);
	constant("#define _SIGTRAP    ", SIGTRAP);
	constant("#define _SIGIOT     ", SIGIOT);
	constant("#define _SIGABRT    ", SIGABRT);
	constant("#define _SIGEMT     ", SIGEMT);
	constant("#define _SIGFPE     ", SIGFPE);
	constant("#define _SIGKILL    ", SIGKILL);
	constant("#define _SIGBUS     ", SIGBUS);
	constant("#define _SIGSEGV    ", SIGSEGV);
	constant("#define _SIGSYS     ", SIGSYS);
	constant("#define _SIGPIPE    ", SIGPIPE);
	constant("#define _SIGALRM    ", SIGALRM);
	constant("#define _SIGTERM    ", SIGTERM);
	constant("#define _SIGUSR1    ", SIGUSR1);
	constant("#define _SIGUSR2    ", SIGUSR2);
	constant("#define _SIGCHLD    ", SIGCHLD);
	constant("#define _SIGPWR     ", SIGPWR);
	constant("#define _SIGWINCH   ", SIGWINCH);
	constant("#define _SIGURG     ", SIGURG);
	constant("#define _SIGIO      ", SIGIO);
	constant("#define _SIGSTOP    ", SIGSTOP);
	constant("#define _SIGTSTP    ", SIGTSTP);
	constant("#define _SIGCONT    ", SIGCONT);
	constant("#define _SIGTTIN    ", SIGTTIN);
	constant("#define _SIGTTOU    ", SIGTTOU);
	constant("#define _SIGVTALRM  ", SIGVTALRM);
	constant("#define _SIGPROF    ", SIGPROF);
	constant("#define _SIGXCPU    ", SIGXCPU);
	constant("#define _SIGXFSZ    ", SIGXFSZ);
	linefeed;
}

void output_irq_cpustat_t_defines(void)
{
	text("/* Linux irq_cpustat_t offsets. */");
	offset("#define IC_SOFTIRQ_PENDING ", irq_cpustat_t, __softirq_pending);
	size("#define IC_IRQ_CPUSTAT_T   ", irq_cpustat_t);
	linefeed;
}