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 Ralf Baechle
6 * Copyright (C) 1999, 2000 Silicon Graphics, Inc.
7 *
8 * Kevin Kissell, kevink@mips.com and Carsten Langgaard, carstenl@mips.com
9 * Copyright (C) 2000 MIPS Technologies, Inc.
10 */
11 #include <linux/config.h>
12 #include <linux/types.h>
13 #include <linux/sched.h>
14 #include <linux/mm.h>
15
16 #include <asm/ptrace.h>
17 #include <asm/processor.h>
18
19 #define text(t) __asm__("\n@@@" t)
20 #define _offset(type, member) (&(((type *)NULL)->member))
21
22 #define offset(string, ptr, member) \
23 __asm__("\n@@@" string "%0" : : "i" (_offset(ptr, member)))
24 #define constant(string, member) \
25 __asm__("\n@@@" string "%x0" : : "ri" (member))
26 #define size(string, size) \
27 __asm__("\n@@@" string "%0" : : "i" (sizeof(size)))
28 #define linefeed text("")
29
30 text("/* DO NOT TOUCH, AUTOGENERATED BY OFFSET.C */");
31 linefeed;
32 text("#ifndef _MIPS_OFFSET_H");
33 text("#define _MIPS_OFFSET_H");
34 linefeed;
35
36 void output_ptreg_defines(void)
37 {
38 text("/* MIPS pt_regs offsets. */");
39 offset("#define PT_R0 ", struct pt_regs, regs[0]);
40 offset("#define PT_R1 ", struct pt_regs, regs[1]);
41 offset("#define PT_R2 ", struct pt_regs, regs[2]);
42 offset("#define PT_R3 ", struct pt_regs, regs[3]);
43 offset("#define PT_R4 ", struct pt_regs, regs[4]);
44 offset("#define PT_R5 ", struct pt_regs, regs[5]);
45 offset("#define PT_R6 ", struct pt_regs, regs[6]);
46 offset("#define PT_R7 ", struct pt_regs, regs[7]);
47 offset("#define PT_R8 ", struct pt_regs, regs[8]);
48 offset("#define PT_R9 ", struct pt_regs, regs[9]);
49 offset("#define PT_R10 ", struct pt_regs, regs[10]);
50 offset("#define PT_R11 ", struct pt_regs, regs[11]);
51 offset("#define PT_R12 ", struct pt_regs, regs[12]);
52 offset("#define PT_R13 ", struct pt_regs, regs[13]);
53 offset("#define PT_R14 ", struct pt_regs, regs[14]);
54 offset("#define PT_R15 ", struct pt_regs, regs[15]);
55 offset("#define PT_R16 ", struct pt_regs, regs[16]);
56 offset("#define PT_R17 ", struct pt_regs, regs[17]);
57 offset("#define PT_R18 ", struct pt_regs, regs[18]);
58 offset("#define PT_R19 ", struct pt_regs, regs[19]);
59 offset("#define PT_R20 ", struct pt_regs, regs[20]);
60 offset("#define PT_R21 ", struct pt_regs, regs[21]);
61 offset("#define PT_R22 ", struct pt_regs, regs[22]);
62 offset("#define PT_R23 ", struct pt_regs, regs[23]);
63 offset("#define PT_R24 ", struct pt_regs, regs[24]);
64 offset("#define PT_R25 ", struct pt_regs, regs[25]);
65 offset("#define PT_R26 ", struct pt_regs, regs[26]);
66 offset("#define PT_R27 ", struct pt_regs, regs[27]);
67 offset("#define PT_R28 ", struct pt_regs, regs[28]);
68 offset("#define PT_R29 ", struct pt_regs, regs[29]);
69 offset("#define PT_R30 ", struct pt_regs, regs[30]);
70 offset("#define PT_R31 ", struct pt_regs, regs[31]);
71 offset("#define PT_LO ", struct pt_regs, lo);
72 offset("#define PT_HI ", struct pt_regs, hi);
73 offset("#define PT_EPC ", struct pt_regs, cp0_epc);
74 offset("#define PT_BVADDR ", struct pt_regs, cp0_badvaddr);
75 offset("#define PT_STATUS ", struct pt_regs, cp0_status);
76 offset("#define PT_CAUSE ", struct pt_regs, cp0_cause);
77 size("#define PT_SIZE ", struct pt_regs);
78 linefeed;
79 }
80
81 void output_task_defines(void)
82 {
83 text("/* MIPS task_struct offsets. */");
84 offset("#define TASK_STATE ", struct task_struct, state);
85 offset("#define TASK_FLAGS ", struct task_struct, flags);
86 constant(" #define _PT_TRACESYS ", PT_TRACESYS);
87 offset("#define TASK_SIGPENDING ", struct task_struct, sigpending);
88 offset("#define TASK_NEED_RESCHED ", struct task_struct, need_resched);
89 offset("#define TASK_PTRACE ", struct task_struct, ptrace);
90 offset("#define TASK_COUNTER ", struct task_struct, counter);
91 offset("#define TASK_NICE ", struct task_struct, nice);
92 offset("#define TASK_MM ", struct task_struct, mm);
93 offset("#define TASK_PROCESSOR ", struct task_struct, processor);
94 offset("#define TASK_PID ", struct task_struct, pid);
95 size( "#define TASK_STRUCT_SIZE ", struct task_struct);
96 linefeed;
97
98 text("/* MIPS task_struct allocation info. */");
99 constant("#define _THREAD_ORDER ", THREAD_ORDER);
100 constant("#define _THREAD_SIZE ", THREAD_SIZE);
101 constant("#define _THREAD_MASK ", THREAD_MASK);
102 linefeed;
103 }
104
105 void output_thread_defines(void)
106 {
107 text("/* MIPS specific thread_struct offsets. */");
108 offset("#define THREAD_REG16 ", struct task_struct, thread.reg16);
109 offset("#define THREAD_REG17 ", struct task_struct, thread.reg17);
110 offset("#define THREAD_REG18 ", struct task_struct, thread.reg18);
111 offset("#define THREAD_REG19 ", struct task_struct, thread.reg19);
112 offset("#define THREAD_REG20 ", struct task_struct, thread.reg20);
113 offset("#define THREAD_REG21 ", struct task_struct, thread.reg21);
114 offset("#define THREAD_REG22 ", struct task_struct, thread.reg22);
115 offset("#define THREAD_REG23 ", struct task_struct, thread.reg23);
116 offset("#define THREAD_REG29 ", struct task_struct, thread.reg29);
117 offset("#define THREAD_REG30 ", struct task_struct, thread.reg30);
118 offset("#define THREAD_REG31 ", struct task_struct, thread.reg31);
119 offset("#define THREAD_STATUS ", struct task_struct, \
120 thread.cp0_status);
121 offset("#define THREAD_FPU ", struct task_struct, thread.fpu);
122 offset("#define THREAD_BVADDR ", struct task_struct, \
123 thread.cp0_badvaddr);
124 offset("#define THREAD_BUADDR ", struct task_struct, \
125 thread.cp0_baduaddr);
126 offset("#define THREAD_ECODE ", struct task_struct, \
127 thread.error_code);
128 offset("#define THREAD_TRAPNO ", struct task_struct, thread.trap_no);
129 offset("#define THREAD_MFLAGS ", struct task_struct, thread.mflags);
130 offset("#define THREAD_CURDS ", struct task_struct, \
131 thread.current_ds);
132 offset("#define THREAD_TRAMP ", struct task_struct, \
133 thread.irix_trampoline);
134 offset("#define THREAD_OLDCTX ", struct task_struct, \
135 thread.irix_oldctx);
136 linefeed;
137 }
138
139 void output_mm_defines(void)
140 {
141 text("/* Linux mm_struct offsets. */");
142 offset("#define MM_USERS ", struct mm_struct, mm_users);
143 offset("#define MM_PGD ", struct mm_struct, pgd);
144 offset("#define MM_CONTEXT ", struct mm_struct, context);
145 linefeed;
146 constant("#define _PAGE_SIZE ", PAGE_SIZE);
147 constant("#define _PAGE_SHIFT ", PAGE_SHIFT);
148 linefeed;
149 constant("#define _PGD_T_SIZE ", sizeof(pgd_t));
150 constant("#define _PMD_T_SIZE ", sizeof(pmd_t));
151 constant("#define _PTE_T_SIZE ", sizeof(pte_t));
152 linefeed;
153 constant("#define _PGD_T_LOG2 ", PGD_T_LOG2);
154 constant("#define _PMD_T_LOG2 ", PMD_T_LOG2);
155 constant("#define _PTE_T_LOG2 ", PTE_T_LOG2);
156 linefeed;
157 constant("#define _PMD_SHIFT ", PMD_SHIFT);
158 constant("#define _PGDIR_SHIFT ", PGDIR_SHIFT);
159 linefeed;
160 constant("#define _PGD_ORDER ", PGD_ORDER);
161 #ifdef PMD_ORDER
162 constant("#define _PMD_ORDER ", PMD_ORDER);
163 #endif
164 constant("#define _PTE_ORDER ", PTE_ORDER);
165 linefeed;
166 constant("#define _PTRS_PER_PGD ", PTRS_PER_PGD);
167 constant("#define _PTRS_PER_PMD ", PTRS_PER_PMD);
168 constant("#define _PTRS_PER_PTE ", PTRS_PER_PTE);
169 linefeed;
170 }
171
172 void output_sc_defines(void)
173 {
174 text("/* Linux sigcontext offsets. */");
175 offset("#define SC_REGS ", struct sigcontext, sc_regs);
176 offset("#define SC_FPREGS ", struct sigcontext, sc_fpregs);
177 offset("#define SC_MDHI ", struct sigcontext, sc_mdhi);
178 offset("#define SC_MDLO ", struct sigcontext, sc_mdlo);
179 offset("#define SC_PC ", struct sigcontext, sc_pc);
180 offset("#define SC_STATUS ", struct sigcontext, sc_status);
181 offset("#define SC_FPC_CSR ", struct sigcontext, sc_fpc_csr);
182 offset("#define SC_FPC_EIR ", struct sigcontext, sc_fpc_eir);
183 offset("#define SC_CAUSE ", struct sigcontext, sc_cause);
184 offset("#define SC_BADVADDR ", struct sigcontext, sc_badvaddr);
185 linefeed;
186
187 #ifdef CONFIG_MIPS64
188 text("/* Linux 32-bit sigcontext offsets. */");
189 offset("#define SC32_FPREGS ", struct sigcontext32, sc_fpregs);
190 offset("#define SC32_FPC_CSR ", struct sigcontext32, sc_fpc_csr);
191 offset("#define SC32_FPC_EIR ", struct sigcontext32, sc_fpc_eir);
192 linefeed;
193 #endif
194 }
195
196 void output_signal_defined(void)
197 {
198 text("/* Linux signal numbers. */");
199 constant("#define _SIGHUP ", SIGHUP);
200 constant("#define _SIGINT ", SIGINT);
201 constant("#define _SIGQUIT ", SIGQUIT);
202 constant("#define _SIGILL ", SIGILL);
203 constant("#define _SIGTRAP ", SIGTRAP);
204 constant("#define _SIGIOT ", SIGIOT);
205 constant("#define _SIGABRT ", SIGABRT);
206 constant("#define _SIGEMT ", SIGEMT);
207 constant("#define _SIGFPE ", SIGFPE);
208 constant("#define _SIGKILL ", SIGKILL);
209 constant("#define _SIGBUS ", SIGBUS);
210 constant("#define _SIGSEGV ", SIGSEGV);
211 constant("#define _SIGSYS ", SIGSYS);
212 constant("#define _SIGPIPE ", SIGPIPE);
213 constant("#define _SIGALRM ", SIGALRM);
214 constant("#define _SIGTERM ", SIGTERM);
215 constant("#define _SIGUSR1 ", SIGUSR1);
216 constant("#define _SIGUSR2 ", SIGUSR2);
217 constant("#define _SIGCHLD ", SIGCHLD);
218 constant("#define _SIGPWR ", SIGPWR);
219 constant("#define _SIGWINCH ", SIGWINCH);
220 constant("#define _SIGURG ", SIGURG);
221 constant("#define _SIGIO ", SIGIO);
222 constant("#define _SIGSTOP ", SIGSTOP);
223 constant("#define _SIGTSTP ", SIGTSTP);
224 constant("#define _SIGCONT ", SIGCONT);
225 constant("#define _SIGTTIN ", SIGTTIN);
226 constant("#define _SIGTTOU ", SIGTTOU);
227 constant("#define _SIGVTALRM ", SIGVTALRM);
228 constant("#define _SIGPROF ", SIGPROF);
229 constant("#define _SIGXCPU ", SIGXCPU);
230 constant("#define _SIGXFSZ ", SIGXFSZ);
231 }
232
233 text("#endif /* !(_MIPS_OFFSET_H) */");
234
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