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asm-offsets.c
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1 /*
2  * offset.c: Calculate pt_regs and task_struct offsets.
3  *
4  * Copyright (C) 1996 David S. Miller
5  * Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003 Ralf Baechle
6  * Copyright (C) 1999, 2000 Silicon Graphics, Inc.
7  *
8  * Kevin Kissell, [email protected] and Carsten Langgaard, [email protected]
9  * Copyright (C) 2000 MIPS Technologies, Inc.
10  */
11 #include <linux/compat.h>
12 #include <linux/types.h>
13 #include <linux/sched.h>
14 #include <linux/mm.h>
15 #include <linux/kbuild.h>
16 #include <linux/suspend.h>
17 #include <asm/ptrace.h>
18 #include <asm/processor.h>
19 
20 void output_ptreg_defines(void)
21 {
22  COMMENT("MIPS pt_regs offsets.");
23  OFFSET(PT_R0, pt_regs, regs[0]);
24  OFFSET(PT_R1, pt_regs, regs[1]);
25  OFFSET(PT_R2, pt_regs, regs[2]);
26  OFFSET(PT_R3, pt_regs, regs[3]);
27  OFFSET(PT_R4, pt_regs, regs[4]);
28  OFFSET(PT_R5, pt_regs, regs[5]);
29  OFFSET(PT_R6, pt_regs, regs[6]);
30  OFFSET(PT_R7, pt_regs, regs[7]);
31  OFFSET(PT_R8, pt_regs, regs[8]);
32  OFFSET(PT_R9, pt_regs, regs[9]);
33  OFFSET(PT_R10, pt_regs, regs[10]);
34  OFFSET(PT_R11, pt_regs, regs[11]);
35  OFFSET(PT_R12, pt_regs, regs[12]);
36  OFFSET(PT_R13, pt_regs, regs[13]);
37  OFFSET(PT_R14, pt_regs, regs[14]);
38  OFFSET(PT_R15, pt_regs, regs[15]);
39  OFFSET(PT_R16, pt_regs, regs[16]);
40  OFFSET(PT_R17, pt_regs, regs[17]);
41  OFFSET(PT_R18, pt_regs, regs[18]);
42  OFFSET(PT_R19, pt_regs, regs[19]);
43  OFFSET(PT_R20, pt_regs, regs[20]);
44  OFFSET(PT_R21, pt_regs, regs[21]);
45  OFFSET(PT_R22, pt_regs, regs[22]);
46  OFFSET(PT_R23, pt_regs, regs[23]);
47  OFFSET(PT_R24, pt_regs, regs[24]);
48  OFFSET(PT_R25, pt_regs, regs[25]);
49  OFFSET(PT_R26, pt_regs, regs[26]);
50  OFFSET(PT_R27, pt_regs, regs[27]);
51  OFFSET(PT_R28, pt_regs, regs[28]);
52  OFFSET(PT_R29, pt_regs, regs[29]);
53  OFFSET(PT_R30, pt_regs, regs[30]);
54  OFFSET(PT_R31, pt_regs, regs[31]);
55  OFFSET(PT_LO, pt_regs, lo);
56  OFFSET(PT_HI, pt_regs, hi);
57 #ifdef CONFIG_CPU_HAS_SMARTMIPS
58  OFFSET(PT_ACX, pt_regs, acx);
59 #endif
60  OFFSET(PT_EPC, pt_regs, cp0_epc);
61  OFFSET(PT_BVADDR, pt_regs, cp0_badvaddr);
62  OFFSET(PT_STATUS, pt_regs, cp0_status);
63  OFFSET(PT_CAUSE, pt_regs, cp0_cause);
64 #ifdef CONFIG_MIPS_MT_SMTC
65  OFFSET(PT_TCSTATUS, pt_regs, cp0_tcstatus);
66 #endif /* CONFIG_MIPS_MT_SMTC */
67 #ifdef CONFIG_CPU_CAVIUM_OCTEON
68  OFFSET(PT_MPL, pt_regs, mpl);
69  OFFSET(PT_MTP, pt_regs, mtp);
70 #endif /* CONFIG_CPU_CAVIUM_OCTEON */
71  DEFINE(PT_SIZE, sizeof(struct pt_regs));
72  BLANK();
73 }
74 
75 void output_task_defines(void)
76 {
77  COMMENT("MIPS task_struct offsets.");
78  OFFSET(TASK_STATE, task_struct, state);
79  OFFSET(TASK_THREAD_INFO, task_struct, stack);
80  OFFSET(TASK_FLAGS, task_struct, flags);
81  OFFSET(TASK_MM, task_struct, mm);
82  OFFSET(TASK_PID, task_struct, pid);
83  DEFINE(TASK_STRUCT_SIZE, sizeof(struct task_struct));
84  BLANK();
85 }
86 
87 void output_thread_info_defines(void)
88 {
89  COMMENT("MIPS thread_info offsets.");
90  OFFSET(TI_TASK, thread_info, task);
91  OFFSET(TI_EXEC_DOMAIN, thread_info, exec_domain);
92  OFFSET(TI_FLAGS, thread_info, flags);
93  OFFSET(TI_TP_VALUE, thread_info, tp_value);
94  OFFSET(TI_CPU, thread_info, cpu);
95  OFFSET(TI_PRE_COUNT, thread_info, preempt_count);
96  OFFSET(TI_ADDR_LIMIT, thread_info, addr_limit);
97  OFFSET(TI_RESTART_BLOCK, thread_info, restart_block);
98  OFFSET(TI_REGS, thread_info, regs);
99  DEFINE(_THREAD_SIZE, THREAD_SIZE);
100  DEFINE(_THREAD_MASK, THREAD_MASK);
101  BLANK();
102 }
103 
104 void output_thread_defines(void)
105 {
106  COMMENT("MIPS specific thread_struct offsets.");
107  OFFSET(THREAD_REG16, task_struct, thread.reg16);
108  OFFSET(THREAD_REG17, task_struct, thread.reg17);
109  OFFSET(THREAD_REG18, task_struct, thread.reg18);
110  OFFSET(THREAD_REG19, task_struct, thread.reg19);
111  OFFSET(THREAD_REG20, task_struct, thread.reg20);
112  OFFSET(THREAD_REG21, task_struct, thread.reg21);
113  OFFSET(THREAD_REG22, task_struct, thread.reg22);
114  OFFSET(THREAD_REG23, task_struct, thread.reg23);
115  OFFSET(THREAD_REG29, task_struct, thread.reg29);
116  OFFSET(THREAD_REG30, task_struct, thread.reg30);
117  OFFSET(THREAD_REG31, task_struct, thread.reg31);
118  OFFSET(THREAD_STATUS, task_struct,
119  thread.cp0_status);
120  OFFSET(THREAD_FPU, task_struct, thread.fpu);
121 
122  OFFSET(THREAD_BVADDR, task_struct, \
123  thread.cp0_badvaddr);
124  OFFSET(THREAD_BUADDR, task_struct, \
125  thread.cp0_baduaddr);
126  OFFSET(THREAD_ECODE, task_struct, \
127  thread.error_code);
128  OFFSET(THREAD_TRAMP, task_struct, \
129  thread.irix_trampoline);
130  OFFSET(THREAD_OLDCTX, task_struct, \
131  thread.irix_oldctx);
132  BLANK();
133 }
134 
135 void output_thread_fpu_defines(void)
136 {
137  OFFSET(THREAD_FPR0, task_struct, thread.fpu.fpr[0]);
138  OFFSET(THREAD_FPR1, task_struct, thread.fpu.fpr[1]);
139  OFFSET(THREAD_FPR2, task_struct, thread.fpu.fpr[2]);
140  OFFSET(THREAD_FPR3, task_struct, thread.fpu.fpr[3]);
141  OFFSET(THREAD_FPR4, task_struct, thread.fpu.fpr[4]);
142  OFFSET(THREAD_FPR5, task_struct, thread.fpu.fpr[5]);
143  OFFSET(THREAD_FPR6, task_struct, thread.fpu.fpr[6]);
144  OFFSET(THREAD_FPR7, task_struct, thread.fpu.fpr[7]);
145  OFFSET(THREAD_FPR8, task_struct, thread.fpu.fpr[8]);
146  OFFSET(THREAD_FPR9, task_struct, thread.fpu.fpr[9]);
147  OFFSET(THREAD_FPR10, task_struct, thread.fpu.fpr[10]);
148  OFFSET(THREAD_FPR11, task_struct, thread.fpu.fpr[11]);
149  OFFSET(THREAD_FPR12, task_struct, thread.fpu.fpr[12]);
150  OFFSET(THREAD_FPR13, task_struct, thread.fpu.fpr[13]);
151  OFFSET(THREAD_FPR14, task_struct, thread.fpu.fpr[14]);
152  OFFSET(THREAD_FPR15, task_struct, thread.fpu.fpr[15]);
153  OFFSET(THREAD_FPR16, task_struct, thread.fpu.fpr[16]);
154  OFFSET(THREAD_FPR17, task_struct, thread.fpu.fpr[17]);
155  OFFSET(THREAD_FPR18, task_struct, thread.fpu.fpr[18]);
156  OFFSET(THREAD_FPR19, task_struct, thread.fpu.fpr[19]);
157  OFFSET(THREAD_FPR20, task_struct, thread.fpu.fpr[20]);
158  OFFSET(THREAD_FPR21, task_struct, thread.fpu.fpr[21]);
159  OFFSET(THREAD_FPR22, task_struct, thread.fpu.fpr[22]);
160  OFFSET(THREAD_FPR23, task_struct, thread.fpu.fpr[23]);
161  OFFSET(THREAD_FPR24, task_struct, thread.fpu.fpr[24]);
162  OFFSET(THREAD_FPR25, task_struct, thread.fpu.fpr[25]);
163  OFFSET(THREAD_FPR26, task_struct, thread.fpu.fpr[26]);
164  OFFSET(THREAD_FPR27, task_struct, thread.fpu.fpr[27]);
165  OFFSET(THREAD_FPR28, task_struct, thread.fpu.fpr[28]);
166  OFFSET(THREAD_FPR29, task_struct, thread.fpu.fpr[29]);
167  OFFSET(THREAD_FPR30, task_struct, thread.fpu.fpr[30]);
168  OFFSET(THREAD_FPR31, task_struct, thread.fpu.fpr[31]);
169 
170  OFFSET(THREAD_FCR31, task_struct, thread.fpu.fcr31);
171  BLANK();
172 }
173 
174 void output_mm_defines(void)
175 {
176  COMMENT("Size of struct page");
177  DEFINE(STRUCT_PAGE_SIZE, sizeof(struct page));
178  BLANK();
179  COMMENT("Linux mm_struct offsets.");
180  OFFSET(MM_USERS, mm_struct, mm_users);
181  OFFSET(MM_PGD, mm_struct, pgd);
182  OFFSET(MM_CONTEXT, mm_struct, context);
183  BLANK();
184  DEFINE(_PGD_T_SIZE, sizeof(pgd_t));
185  DEFINE(_PMD_T_SIZE, sizeof(pmd_t));
186  DEFINE(_PTE_T_SIZE, sizeof(pte_t));
187  BLANK();
188  DEFINE(_PGD_T_LOG2, PGD_T_LOG2);
189 #ifndef __PAGETABLE_PMD_FOLDED
190  DEFINE(_PMD_T_LOG2, PMD_T_LOG2);
191 #endif
192  DEFINE(_PTE_T_LOG2, PTE_T_LOG2);
193  BLANK();
194  DEFINE(_PGD_ORDER, PGD_ORDER);
195 #ifndef __PAGETABLE_PMD_FOLDED
196  DEFINE(_PMD_ORDER, PMD_ORDER);
197 #endif
198  DEFINE(_PTE_ORDER, PTE_ORDER);
199  BLANK();
200  DEFINE(_PMD_SHIFT, PMD_SHIFT);
201  DEFINE(_PGDIR_SHIFT, PGDIR_SHIFT);
202  BLANK();
203  DEFINE(_PTRS_PER_PGD, PTRS_PER_PGD);
204  DEFINE(_PTRS_PER_PMD, PTRS_PER_PMD);
205  DEFINE(_PTRS_PER_PTE, PTRS_PER_PTE);
206  BLANK();
207 }
208 
209 #ifdef CONFIG_32BIT
210 void output_sc_defines(void)
211 {
212  COMMENT("Linux sigcontext offsets.");
213  OFFSET(SC_REGS, sigcontext, sc_regs);
214  OFFSET(SC_FPREGS, sigcontext, sc_fpregs);
215  OFFSET(SC_ACX, sigcontext, sc_acx);
216  OFFSET(SC_MDHI, sigcontext, sc_mdhi);
217  OFFSET(SC_MDLO, sigcontext, sc_mdlo);
218  OFFSET(SC_PC, sigcontext, sc_pc);
219  OFFSET(SC_FPC_CSR, sigcontext, sc_fpc_csr);
220  OFFSET(SC_FPC_EIR, sigcontext, sc_fpc_eir);
221  OFFSET(SC_HI1, sigcontext, sc_hi1);
222  OFFSET(SC_LO1, sigcontext, sc_lo1);
223  OFFSET(SC_HI2, sigcontext, sc_hi2);
224  OFFSET(SC_LO2, sigcontext, sc_lo2);
225  OFFSET(SC_HI3, sigcontext, sc_hi3);
226  OFFSET(SC_LO3, sigcontext, sc_lo3);
227  BLANK();
228 }
229 #endif
230 
231 #ifdef CONFIG_64BIT
232 void output_sc_defines(void)
233 {
234  COMMENT("Linux sigcontext offsets.");
235  OFFSET(SC_REGS, sigcontext, sc_regs);
236  OFFSET(SC_FPREGS, sigcontext, sc_fpregs);
237  OFFSET(SC_MDHI, sigcontext, sc_mdhi);
238  OFFSET(SC_MDLO, sigcontext, sc_mdlo);
239  OFFSET(SC_PC, sigcontext, sc_pc);
240  OFFSET(SC_FPC_CSR, sigcontext, sc_fpc_csr);
241  BLANK();
242 }
243 #endif
244 
245 #ifdef CONFIG_MIPS32_COMPAT
246 void output_sc32_defines(void)
247 {
248  COMMENT("Linux 32-bit sigcontext offsets.");
249  OFFSET(SC32_FPREGS, sigcontext32, sc_fpregs);
250  OFFSET(SC32_FPC_CSR, sigcontext32, sc_fpc_csr);
251  OFFSET(SC32_FPC_EIR, sigcontext32, sc_fpc_eir);
252  BLANK();
253 }
254 #endif
255 
256 void output_signal_defined(void)
257 {
258  COMMENT("Linux signal numbers.");
259  DEFINE(_SIGHUP, SIGHUP);
260  DEFINE(_SIGINT, SIGINT);
261  DEFINE(_SIGQUIT, SIGQUIT);
262  DEFINE(_SIGILL, SIGILL);
263  DEFINE(_SIGTRAP, SIGTRAP);
264  DEFINE(_SIGIOT, SIGIOT);
265  DEFINE(_SIGABRT, SIGABRT);
266  DEFINE(_SIGEMT, SIGEMT);
267  DEFINE(_SIGFPE, SIGFPE);
268  DEFINE(_SIGKILL, SIGKILL);
269  DEFINE(_SIGBUS, SIGBUS);
270  DEFINE(_SIGSEGV, SIGSEGV);
271  DEFINE(_SIGSYS, SIGSYS);
272  DEFINE(_SIGPIPE, SIGPIPE);
273  DEFINE(_SIGALRM, SIGALRM);
274  DEFINE(_SIGTERM, SIGTERM);
275  DEFINE(_SIGUSR1, SIGUSR1);
276  DEFINE(_SIGUSR2, SIGUSR2);
277  DEFINE(_SIGCHLD, SIGCHLD);
278  DEFINE(_SIGPWR, SIGPWR);
279  DEFINE(_SIGWINCH, SIGWINCH);
280  DEFINE(_SIGURG, SIGURG);
281  DEFINE(_SIGIO, SIGIO);
282  DEFINE(_SIGSTOP, SIGSTOP);
283  DEFINE(_SIGTSTP, SIGTSTP);
284  DEFINE(_SIGCONT, SIGCONT);
285  DEFINE(_SIGTTIN, SIGTTIN);
286  DEFINE(_SIGTTOU, SIGTTOU);
287  DEFINE(_SIGVTALRM, SIGVTALRM);
288  DEFINE(_SIGPROF, SIGPROF);
289  DEFINE(_SIGXCPU, SIGXCPU);
290  DEFINE(_SIGXFSZ, SIGXFSZ);
291  BLANK();
292 }
293 
294 #ifdef CONFIG_CPU_CAVIUM_OCTEON
295 void output_octeon_cop2_state_defines(void)
296 {
297  COMMENT("Octeon specific octeon_cop2_state offsets.");
298  OFFSET(OCTEON_CP2_CRC_IV, octeon_cop2_state, cop2_crc_iv);
299  OFFSET(OCTEON_CP2_CRC_LENGTH, octeon_cop2_state, cop2_crc_length);
300  OFFSET(OCTEON_CP2_CRC_POLY, octeon_cop2_state, cop2_crc_poly);
301  OFFSET(OCTEON_CP2_LLM_DAT, octeon_cop2_state, cop2_llm_dat);
302  OFFSET(OCTEON_CP2_3DES_IV, octeon_cop2_state, cop2_3des_iv);
303  OFFSET(OCTEON_CP2_3DES_KEY, octeon_cop2_state, cop2_3des_key);
304  OFFSET(OCTEON_CP2_3DES_RESULT, octeon_cop2_state, cop2_3des_result);
305  OFFSET(OCTEON_CP2_AES_INP0, octeon_cop2_state, cop2_aes_inp0);
306  OFFSET(OCTEON_CP2_AES_IV, octeon_cop2_state, cop2_aes_iv);
307  OFFSET(OCTEON_CP2_AES_KEY, octeon_cop2_state, cop2_aes_key);
308  OFFSET(OCTEON_CP2_AES_KEYLEN, octeon_cop2_state, cop2_aes_keylen);
309  OFFSET(OCTEON_CP2_AES_RESULT, octeon_cop2_state, cop2_aes_result);
310  OFFSET(OCTEON_CP2_GFM_MULT, octeon_cop2_state, cop2_gfm_mult);
311  OFFSET(OCTEON_CP2_GFM_POLY, octeon_cop2_state, cop2_gfm_poly);
312  OFFSET(OCTEON_CP2_GFM_RESULT, octeon_cop2_state, cop2_gfm_result);
313  OFFSET(OCTEON_CP2_HSH_DATW, octeon_cop2_state, cop2_hsh_datw);
314  OFFSET(OCTEON_CP2_HSH_IVW, octeon_cop2_state, cop2_hsh_ivw);
315  OFFSET(THREAD_CP2, task_struct, thread.cp2);
316  OFFSET(THREAD_CVMSEG, task_struct, thread.cvmseg.cvmseg);
317  BLANK();
318 }
319 #endif
320 
321 #ifdef CONFIG_HIBERNATION
322 void output_pbe_defines(void)
323 {
324  COMMENT(" Linux struct pbe offsets. ");
325  OFFSET(PBE_ADDRESS, pbe, address);
326  OFFSET(PBE_ORIG_ADDRESS, pbe, orig_address);
327  OFFSET(PBE_NEXT, pbe, next);
328  DEFINE(PBE_SIZE, sizeof(struct pbe));
329  BLANK();
330 }
331 #endif
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