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1da177e4 LT |
1 | /* $Id: ptrace.h,v 1.14 2002/02/09 19:49:32 davem Exp $ */ |
2 | #ifndef _SPARC64_PTRACE_H | |
3 | #define _SPARC64_PTRACE_H | |
4 | ||
5 | #include <asm/pstate.h> | |
6 | ||
7 | /* This struct defines the way the registers are stored on the | |
8 | * stack during a system call and basically all traps. | |
9 | */ | |
10 | ||
11 | #ifndef __ASSEMBLY__ | |
12 | ||
13 | struct pt_regs { | |
14 | unsigned long u_regs[16]; /* globals and ins */ | |
15 | unsigned long tstate; | |
16 | unsigned long tpc; | |
17 | unsigned long tnpc; | |
18 | unsigned int y; | |
19 | unsigned int fprs; | |
20 | }; | |
21 | ||
22 | struct pt_regs32 { | |
23 | unsigned int psr; | |
24 | unsigned int pc; | |
25 | unsigned int npc; | |
26 | unsigned int y; | |
27 | unsigned int u_regs[16]; /* globals and ins */ | |
28 | }; | |
29 | ||
30 | #define UREG_G0 0 | |
31 | #define UREG_G1 1 | |
32 | #define UREG_G2 2 | |
33 | #define UREG_G3 3 | |
34 | #define UREG_G4 4 | |
35 | #define UREG_G5 5 | |
36 | #define UREG_G6 6 | |
37 | #define UREG_G7 7 | |
38 | #define UREG_I0 8 | |
39 | #define UREG_I1 9 | |
40 | #define UREG_I2 10 | |
41 | #define UREG_I3 11 | |
42 | #define UREG_I4 12 | |
43 | #define UREG_I5 13 | |
44 | #define UREG_I6 14 | |
45 | #define UREG_I7 15 | |
46 | #define UREG_FP UREG_I6 | |
47 | #define UREG_RETPC UREG_I7 | |
48 | ||
49 | /* A V9 register window */ | |
50 | struct reg_window { | |
51 | unsigned long locals[8]; | |
52 | unsigned long ins[8]; | |
53 | }; | |
54 | ||
55 | /* A 32-bit register window. */ | |
56 | struct reg_window32 { | |
57 | unsigned int locals[8]; | |
58 | unsigned int ins[8]; | |
59 | }; | |
60 | ||
61 | /* A V9 Sparc stack frame */ | |
62 | struct sparc_stackf { | |
63 | unsigned long locals[8]; | |
64 | unsigned long ins[6]; | |
65 | struct sparc_stackf *fp; | |
66 | unsigned long callers_pc; | |
67 | char *structptr; | |
68 | unsigned long xargs[6]; | |
69 | unsigned long xxargs[1]; | |
70 | }; | |
71 | ||
72 | /* A 32-bit Sparc stack frame */ | |
73 | struct sparc_stackf32 { | |
74 | unsigned int locals[8]; | |
75 | unsigned int ins[6]; | |
76 | unsigned int fp; | |
77 | unsigned int callers_pc; | |
78 | unsigned int structptr; | |
79 | unsigned int xargs[6]; | |
80 | unsigned int xxargs[1]; | |
81 | }; | |
82 | ||
83 | struct sparc_trapf { | |
84 | unsigned long locals[8]; | |
85 | unsigned long ins[8]; | |
86 | unsigned long _unused; | |
87 | struct pt_regs *regs; | |
88 | }; | |
89 | ||
90 | #define TRACEREG_SZ sizeof(struct pt_regs) | |
91 | #define STACKFRAME_SZ sizeof(struct sparc_stackf) | |
92 | ||
93 | #define TRACEREG32_SZ sizeof(struct pt_regs32) | |
94 | #define STACKFRAME32_SZ sizeof(struct sparc_stackf32) | |
95 | ||
96 | #ifdef __KERNEL__ | |
481bed45 CH |
97 | |
98 | #define __ARCH_SYS_PTRACE 1 | |
99 | ||
db7d9a4e DM |
100 | #define force_successful_syscall_return() \ |
101 | do { current_thread_info()->syscall_noerror = 1; \ | |
102 | } while (0) | |
1da177e4 LT |
103 | #define user_mode(regs) (!((regs)->tstate & TSTATE_PRIV)) |
104 | #define instruction_pointer(regs) ((regs)->tpc) | |
105 | #ifdef CONFIG_SMP | |
106 | extern unsigned long profile_pc(struct pt_regs *); | |
107 | #else | |
108 | #define profile_pc(regs) instruction_pointer(regs) | |
109 | #endif | |
110 | extern void show_regs(struct pt_regs *); | |
111 | #endif | |
112 | ||
113 | #else /* __ASSEMBLY__ */ | |
114 | /* For assembly code. */ | |
115 | #define TRACEREG_SZ 0xa0 | |
116 | #define STACKFRAME_SZ 0xc0 | |
117 | ||
118 | #define TRACEREG32_SZ 0x50 | |
119 | #define STACKFRAME32_SZ 0x60 | |
120 | #endif | |
121 | ||
122 | #ifdef __KERNEL__ | |
123 | #define STACK_BIAS 2047 | |
124 | #endif | |
125 | ||
126 | /* These are for pt_regs. */ | |
127 | #define PT_V9_G0 0x00 | |
128 | #define PT_V9_G1 0x08 | |
129 | #define PT_V9_G2 0x10 | |
130 | #define PT_V9_G3 0x18 | |
131 | #define PT_V9_G4 0x20 | |
132 | #define PT_V9_G5 0x28 | |
133 | #define PT_V9_G6 0x30 | |
134 | #define PT_V9_G7 0x38 | |
135 | #define PT_V9_I0 0x40 | |
136 | #define PT_V9_I1 0x48 | |
137 | #define PT_V9_I2 0x50 | |
138 | #define PT_V9_I3 0x58 | |
139 | #define PT_V9_I4 0x60 | |
140 | #define PT_V9_I5 0x68 | |
141 | #define PT_V9_I6 0x70 | |
142 | #define PT_V9_FP PT_V9_I6 | |
143 | #define PT_V9_I7 0x78 | |
144 | #define PT_V9_TSTATE 0x80 | |
145 | #define PT_V9_TPC 0x88 | |
146 | #define PT_V9_TNPC 0x90 | |
147 | #define PT_V9_Y 0x98 | |
148 | #define PT_V9_FPRS 0x9c | |
149 | #define PT_TSTATE PT_V9_TSTATE | |
150 | #define PT_TPC PT_V9_TPC | |
151 | #define PT_TNPC PT_V9_TNPC | |
152 | ||
153 | /* These for pt_regs32. */ | |
154 | #define PT_PSR 0x0 | |
155 | #define PT_PC 0x4 | |
156 | #define PT_NPC 0x8 | |
157 | #define PT_Y 0xc | |
158 | #define PT_G0 0x10 | |
159 | #define PT_WIM PT_G0 | |
160 | #define PT_G1 0x14 | |
161 | #define PT_G2 0x18 | |
162 | #define PT_G3 0x1c | |
163 | #define PT_G4 0x20 | |
164 | #define PT_G5 0x24 | |
165 | #define PT_G6 0x28 | |
166 | #define PT_G7 0x2c | |
167 | #define PT_I0 0x30 | |
168 | #define PT_I1 0x34 | |
169 | #define PT_I2 0x38 | |
170 | #define PT_I3 0x3c | |
171 | #define PT_I4 0x40 | |
172 | #define PT_I5 0x44 | |
173 | #define PT_I6 0x48 | |
174 | #define PT_FP PT_I6 | |
175 | #define PT_I7 0x4c | |
176 | ||
177 | /* Reg_window offsets */ | |
178 | #define RW_V9_L0 0x00 | |
179 | #define RW_V9_L1 0x08 | |
180 | #define RW_V9_L2 0x10 | |
181 | #define RW_V9_L3 0x18 | |
182 | #define RW_V9_L4 0x20 | |
183 | #define RW_V9_L5 0x28 | |
184 | #define RW_V9_L6 0x30 | |
185 | #define RW_V9_L7 0x38 | |
186 | #define RW_V9_I0 0x40 | |
187 | #define RW_V9_I1 0x48 | |
188 | #define RW_V9_I2 0x50 | |
189 | #define RW_V9_I3 0x58 | |
190 | #define RW_V9_I4 0x60 | |
191 | #define RW_V9_I5 0x68 | |
192 | #define RW_V9_I6 0x70 | |
193 | #define RW_V9_I7 0x78 | |
194 | ||
195 | #define RW_L0 0x00 | |
196 | #define RW_L1 0x04 | |
197 | #define RW_L2 0x08 | |
198 | #define RW_L3 0x0c | |
199 | #define RW_L4 0x10 | |
200 | #define RW_L5 0x14 | |
201 | #define RW_L6 0x18 | |
202 | #define RW_L7 0x1c | |
203 | #define RW_I0 0x20 | |
204 | #define RW_I1 0x24 | |
205 | #define RW_I2 0x28 | |
206 | #define RW_I3 0x2c | |
207 | #define RW_I4 0x30 | |
208 | #define RW_I5 0x34 | |
209 | #define RW_I6 0x38 | |
210 | #define RW_I7 0x3c | |
211 | ||
212 | /* Stack_frame offsets */ | |
213 | #define SF_V9_L0 0x00 | |
214 | #define SF_V9_L1 0x08 | |
215 | #define SF_V9_L2 0x10 | |
216 | #define SF_V9_L3 0x18 | |
217 | #define SF_V9_L4 0x20 | |
218 | #define SF_V9_L5 0x28 | |
219 | #define SF_V9_L6 0x30 | |
220 | #define SF_V9_L7 0x38 | |
221 | #define SF_V9_I0 0x40 | |
222 | #define SF_V9_I1 0x48 | |
223 | #define SF_V9_I2 0x50 | |
224 | #define SF_V9_I3 0x58 | |
225 | #define SF_V9_I4 0x60 | |
226 | #define SF_V9_I5 0x68 | |
227 | #define SF_V9_FP 0x70 | |
228 | #define SF_V9_PC 0x78 | |
229 | #define SF_V9_RETP 0x80 | |
230 | #define SF_V9_XARG0 0x88 | |
231 | #define SF_V9_XARG1 0x90 | |
232 | #define SF_V9_XARG2 0x98 | |
233 | #define SF_V9_XARG3 0xa0 | |
234 | #define SF_V9_XARG4 0xa8 | |
235 | #define SF_V9_XARG5 0xb0 | |
236 | #define SF_V9_XXARG 0xb8 | |
237 | ||
238 | #define SF_L0 0x00 | |
239 | #define SF_L1 0x04 | |
240 | #define SF_L2 0x08 | |
241 | #define SF_L3 0x0c | |
242 | #define SF_L4 0x10 | |
243 | #define SF_L5 0x14 | |
244 | #define SF_L6 0x18 | |
245 | #define SF_L7 0x1c | |
246 | #define SF_I0 0x20 | |
247 | #define SF_I1 0x24 | |
248 | #define SF_I2 0x28 | |
249 | #define SF_I3 0x2c | |
250 | #define SF_I4 0x30 | |
251 | #define SF_I5 0x34 | |
252 | #define SF_FP 0x38 | |
253 | #define SF_PC 0x3c | |
254 | #define SF_RETP 0x40 | |
255 | #define SF_XARG0 0x44 | |
256 | #define SF_XARG1 0x48 | |
257 | #define SF_XARG2 0x4c | |
258 | #define SF_XARG3 0x50 | |
259 | #define SF_XARG4 0x54 | |
260 | #define SF_XARG5 0x58 | |
261 | #define SF_XXARG 0x5c | |
262 | ||
263 | /* Stuff for the ptrace system call */ | |
264 | #define PTRACE_SUNATTACH 10 | |
265 | #define PTRACE_SUNDETACH 11 | |
266 | #define PTRACE_GETREGS 12 | |
267 | #define PTRACE_SETREGS 13 | |
268 | #define PTRACE_GETFPREGS 14 | |
269 | #define PTRACE_SETFPREGS 15 | |
270 | #define PTRACE_READDATA 16 | |
271 | #define PTRACE_WRITEDATA 17 | |
272 | #define PTRACE_READTEXT 18 | |
273 | #define PTRACE_WRITETEXT 19 | |
274 | #define PTRACE_GETFPAREGS 20 | |
275 | #define PTRACE_SETFPAREGS 21 | |
276 | ||
277 | /* There are for debugging 64-bit processes, either from a 32 or 64 bit | |
278 | * parent. Thus their complements are for debugging 32-bit processes only. | |
279 | */ | |
280 | ||
281 | #define PTRACE_GETREGS64 22 | |
282 | #define PTRACE_SETREGS64 23 | |
283 | /* PTRACE_SYSCALL is 24 */ | |
284 | #define PTRACE_GETFPREGS64 25 | |
285 | #define PTRACE_SETFPREGS64 26 | |
286 | ||
287 | #define PTRACE_GETUCODE 29 /* stupid bsd-ism */ | |
288 | ||
289 | /* These are for 32-bit processes debugging 64-bit ones. | |
290 | * Here addr and addr2 are passed in %g2 and %g3 respectively. | |
291 | */ | |
292 | #define PTRACE_PEEKTEXT64 (30 + PTRACE_PEEKTEXT) | |
293 | #define PTRACE_POKETEXT64 (30 + PTRACE_POKETEXT) | |
294 | #define PTRACE_PEEKDATA64 (30 + PTRACE_PEEKDATA) | |
295 | #define PTRACE_POKEDATA64 (30 + PTRACE_POKEDATA) | |
296 | #define PTRACE_READDATA64 (30 + PTRACE_READDATA) | |
297 | #define PTRACE_WRITEDATA64 (30 + PTRACE_WRITEDATA) | |
298 | #define PTRACE_READTEXT64 (30 + PTRACE_READTEXT) | |
299 | #define PTRACE_WRITETEXT64 (30 + PTRACE_WRITETEXT) | |
300 | ||
301 | #endif /* !(_SPARC64_PTRACE_H) */ |