diff options
Diffstat (limited to 'include/asm-sparc64/ptrace.h')
-rw-r--r-- | include/asm-sparc64/ptrace.h | 347 |
1 files changed, 1 insertions, 346 deletions
diff --git a/include/asm-sparc64/ptrace.h b/include/asm-sparc64/ptrace.h index b163da79bb6d..1a55b9fb3b0c 100644 --- a/include/asm-sparc64/ptrace.h +++ b/include/asm-sparc64/ptrace.h | |||
@@ -1,346 +1 @@ | |||
1 | #ifndef _SPARC64_PTRACE_H | #include <asm-sparc/ptrace.h> | |
2 | #define _SPARC64_PTRACE_H | ||
3 | |||
4 | #include <asm/pstate.h> | ||
5 | |||
6 | /* This struct defines the way the registers are stored on the | ||
7 | * stack during a system call and basically all traps. | ||
8 | */ | ||
9 | |||
10 | /* This magic value must have the low 9 bits clear, | ||
11 | * as that is where we encode the %tt value, see below. | ||
12 | */ | ||
13 | #define PT_REGS_MAGIC 0x57ac6c00 | ||
14 | |||
15 | #ifndef __ASSEMBLY__ | ||
16 | |||
17 | #include <linux/types.h> | ||
18 | |||
19 | struct pt_regs { | ||
20 | unsigned long u_regs[16]; /* globals and ins */ | ||
21 | unsigned long tstate; | ||
22 | unsigned long tpc; | ||
23 | unsigned long tnpc; | ||
24 | unsigned int y; | ||
25 | |||
26 | /* We encode a magic number, PT_REGS_MAGIC, along | ||
27 | * with the %tt (trap type) register value at trap | ||
28 | * entry time. The magic number allows us to identify | ||
29 | * accurately a trap stack frame in the stack | ||
30 | * unwinder, and the %tt value allows us to test | ||
31 | * things like "in a system call" etc. for an arbitray | ||
32 | * process. | ||
33 | * | ||
34 | * The PT_REGS_MAGIC is choosen such that it can be | ||
35 | * loaded completely using just a sethi instruction. | ||
36 | */ | ||
37 | unsigned int magic; | ||
38 | }; | ||
39 | |||
40 | static inline int pt_regs_trap_type(struct pt_regs *regs) | ||
41 | { | ||
42 | return regs->magic & 0x1ff; | ||
43 | } | ||
44 | |||
45 | static inline bool pt_regs_is_syscall(struct pt_regs *regs) | ||
46 | { | ||
47 | return (regs->tstate & TSTATE_SYSCALL); | ||
48 | } | ||
49 | |||
50 | static inline bool pt_regs_clear_syscall(struct pt_regs *regs) | ||
51 | { | ||
52 | return (regs->tstate &= ~TSTATE_SYSCALL); | ||
53 | } | ||
54 | |||
55 | struct pt_regs32 { | ||
56 | unsigned int psr; | ||
57 | unsigned int pc; | ||
58 | unsigned int npc; | ||
59 | unsigned int y; | ||
60 | unsigned int u_regs[16]; /* globals and ins */ | ||
61 | }; | ||
62 | |||
63 | #define UREG_G0 0 | ||
64 | #define UREG_G1 1 | ||
65 | #define UREG_G2 2 | ||
66 | #define UREG_G3 3 | ||
67 | #define UREG_G4 4 | ||
68 | #define UREG_G5 5 | ||
69 | #define UREG_G6 6 | ||
70 | #define UREG_G7 7 | ||
71 | #define UREG_I0 8 | ||
72 | #define UREG_I1 9 | ||
73 | #define UREG_I2 10 | ||
74 | #define UREG_I3 11 | ||
75 | #define UREG_I4 12 | ||
76 | #define UREG_I5 13 | ||
77 | #define UREG_I6 14 | ||
78 | #define UREG_I7 15 | ||
79 | #define UREG_FP UREG_I6 | ||
80 | #define UREG_RETPC UREG_I7 | ||
81 | |||
82 | /* A V9 register window */ | ||
83 | struct reg_window { | ||
84 | unsigned long locals[8]; | ||
85 | unsigned long ins[8]; | ||
86 | }; | ||
87 | |||
88 | /* A 32-bit register window. */ | ||
89 | struct reg_window32 { | ||
90 | unsigned int locals[8]; | ||
91 | unsigned int ins[8]; | ||
92 | }; | ||
93 | |||
94 | /* A V9 Sparc stack frame */ | ||
95 | struct sparc_stackf { | ||
96 | unsigned long locals[8]; | ||
97 | unsigned long ins[6]; | ||
98 | struct sparc_stackf *fp; | ||
99 | unsigned long callers_pc; | ||
100 | char *structptr; | ||
101 | unsigned long xargs[6]; | ||
102 | unsigned long xxargs[1]; | ||
103 | }; | ||
104 | |||
105 | /* A 32-bit Sparc stack frame */ | ||
106 | struct sparc_stackf32 { | ||
107 | unsigned int locals[8]; | ||
108 | unsigned int ins[6]; | ||
109 | unsigned int fp; | ||
110 | unsigned int callers_pc; | ||
111 | unsigned int structptr; | ||
112 | unsigned int xargs[6]; | ||
113 | unsigned int xxargs[1]; | ||
114 | }; | ||
115 | |||
116 | struct sparc_trapf { | ||
117 | unsigned long locals[8]; | ||
118 | unsigned long ins[8]; | ||
119 | unsigned long _unused; | ||
120 | struct pt_regs *regs; | ||
121 | }; | ||
122 | |||
123 | #define TRACEREG_SZ sizeof(struct pt_regs) | ||
124 | #define STACKFRAME_SZ sizeof(struct sparc_stackf) | ||
125 | |||
126 | #define TRACEREG32_SZ sizeof(struct pt_regs32) | ||
127 | #define STACKFRAME32_SZ sizeof(struct sparc_stackf32) | ||
128 | |||
129 | #ifdef __KERNEL__ | ||
130 | |||
131 | struct global_reg_snapshot { | ||
132 | unsigned long tstate; | ||
133 | unsigned long tpc; | ||
134 | unsigned long tnpc; | ||
135 | unsigned long o7; | ||
136 | unsigned long i7; | ||
137 | struct thread_info *thread; | ||
138 | unsigned long pad1; | ||
139 | unsigned long pad2; | ||
140 | }; | ||
141 | |||
142 | #define __ARCH_WANT_COMPAT_SYS_PTRACE | ||
143 | |||
144 | #define force_successful_syscall_return() \ | ||
145 | do { current_thread_info()->syscall_noerror = 1; \ | ||
146 | } while (0) | ||
147 | #define user_mode(regs) (!((regs)->tstate & TSTATE_PRIV)) | ||
148 | #define instruction_pointer(regs) ((regs)->tpc) | ||
149 | #define regs_return_value(regs) ((regs)->u_regs[UREG_I0]) | ||
150 | #ifdef CONFIG_SMP | ||
151 | extern unsigned long profile_pc(struct pt_regs *); | ||
152 | #else | ||
153 | #define profile_pc(regs) instruction_pointer(regs) | ||
154 | #endif | ||
155 | extern void show_regs(struct pt_regs *); | ||
156 | extern void __show_regs(struct pt_regs *); | ||
157 | #endif | ||
158 | |||
159 | #else /* __ASSEMBLY__ */ | ||
160 | /* For assembly code. */ | ||
161 | #define TRACEREG_SZ 0xa0 | ||
162 | #define STACKFRAME_SZ 0xc0 | ||
163 | |||
164 | #define TRACEREG32_SZ 0x50 | ||
165 | #define STACKFRAME32_SZ 0x60 | ||
166 | #endif | ||
167 | |||
168 | #ifdef __KERNEL__ | ||
169 | #define STACK_BIAS 2047 | ||
170 | #endif | ||
171 | |||
172 | /* These are for pt_regs. */ | ||
173 | #define PT_V9_G0 0x00 | ||
174 | #define PT_V9_G1 0x08 | ||
175 | #define PT_V9_G2 0x10 | ||
176 | #define PT_V9_G3 0x18 | ||
177 | #define PT_V9_G4 0x20 | ||
178 | #define PT_V9_G5 0x28 | ||
179 | #define PT_V9_G6 0x30 | ||
180 | #define PT_V9_G7 0x38 | ||
181 | #define PT_V9_I0 0x40 | ||
182 | #define PT_V9_I1 0x48 | ||
183 | #define PT_V9_I2 0x50 | ||
184 | #define PT_V9_I3 0x58 | ||
185 | #define PT_V9_I4 0x60 | ||
186 | #define PT_V9_I5 0x68 | ||
187 | #define PT_V9_I6 0x70 | ||
188 | #define PT_V9_FP PT_V9_I6 | ||
189 | #define PT_V9_I7 0x78 | ||
190 | #define PT_V9_TSTATE 0x80 | ||
191 | #define PT_V9_TPC 0x88 | ||
192 | #define PT_V9_TNPC 0x90 | ||
193 | #define PT_V9_Y 0x98 | ||
194 | #define PT_V9_MAGIC 0x9c | ||
195 | #define PT_TSTATE PT_V9_TSTATE | ||
196 | #define PT_TPC PT_V9_TPC | ||
197 | #define PT_TNPC PT_V9_TNPC | ||
198 | |||
199 | /* These for pt_regs32. */ | ||
200 | #define PT_PSR 0x0 | ||
201 | #define PT_PC 0x4 | ||
202 | #define PT_NPC 0x8 | ||
203 | #define PT_Y 0xc | ||
204 | #define PT_G0 0x10 | ||
205 | #define PT_WIM PT_G0 | ||
206 | #define PT_G1 0x14 | ||
207 | #define PT_G2 0x18 | ||
208 | #define PT_G3 0x1c | ||
209 | #define PT_G4 0x20 | ||
210 | #define PT_G5 0x24 | ||
211 | #define PT_G6 0x28 | ||
212 | #define PT_G7 0x2c | ||
213 | #define PT_I0 0x30 | ||
214 | #define PT_I1 0x34 | ||
215 | #define PT_I2 0x38 | ||
216 | #define PT_I3 0x3c | ||
217 | #define PT_I4 0x40 | ||
218 | #define PT_I5 0x44 | ||
219 | #define PT_I6 0x48 | ||
220 | #define PT_FP PT_I6 | ||
221 | #define PT_I7 0x4c | ||
222 | |||
223 | /* Reg_window offsets */ | ||
224 | #define RW_V9_L0 0x00 | ||
225 | #define RW_V9_L1 0x08 | ||
226 | #define RW_V9_L2 0x10 | ||
227 | #define RW_V9_L3 0x18 | ||
228 | #define RW_V9_L4 0x20 | ||
229 | #define RW_V9_L5 0x28 | ||
230 | #define RW_V9_L6 0x30 | ||
231 | #define RW_V9_L7 0x38 | ||
232 | #define RW_V9_I0 0x40 | ||
233 | #define RW_V9_I1 0x48 | ||
234 | #define RW_V9_I2 0x50 | ||
235 | #define RW_V9_I3 0x58 | ||
236 | #define RW_V9_I4 0x60 | ||
237 | #define RW_V9_I5 0x68 | ||
238 | #define RW_V9_I6 0x70 | ||
239 | #define RW_V9_I7 0x78 | ||
240 | |||
241 | #define RW_L0 0x00 | ||
242 | #define RW_L1 0x04 | ||
243 | #define RW_L2 0x08 | ||
244 | #define RW_L3 0x0c | ||
245 | #define RW_L4 0x10 | ||
246 | #define RW_L5 0x14 | ||
247 | #define RW_L6 0x18 | ||
248 | #define RW_L7 0x1c | ||
249 | #define RW_I0 0x20 | ||
250 | #define RW_I1 0x24 | ||
251 | #define RW_I2 0x28 | ||
252 | #define RW_I3 0x2c | ||
253 | #define RW_I4 0x30 | ||
254 | #define RW_I5 0x34 | ||
255 | #define RW_I6 0x38 | ||
256 | #define RW_I7 0x3c | ||
257 | |||
258 | /* Stack_frame offsets */ | ||
259 | #define SF_V9_L0 0x00 | ||
260 | #define SF_V9_L1 0x08 | ||
261 | #define SF_V9_L2 0x10 | ||
262 | #define SF_V9_L3 0x18 | ||
263 | #define SF_V9_L4 0x20 | ||
264 | #define SF_V9_L5 0x28 | ||
265 | #define SF_V9_L6 0x30 | ||
266 | #define SF_V9_L7 0x38 | ||
267 | #define SF_V9_I0 0x40 | ||
268 | #define SF_V9_I1 0x48 | ||
269 | #define SF_V9_I2 0x50 | ||
270 | #define SF_V9_I3 0x58 | ||
271 | #define SF_V9_I4 0x60 | ||
272 | #define SF_V9_I5 0x68 | ||
273 | #define SF_V9_FP 0x70 | ||
274 | #define SF_V9_PC 0x78 | ||
275 | #define SF_V9_RETP 0x80 | ||
276 | #define SF_V9_XARG0 0x88 | ||
277 | #define SF_V9_XARG1 0x90 | ||
278 | #define SF_V9_XARG2 0x98 | ||
279 | #define SF_V9_XARG3 0xa0 | ||
280 | #define SF_V9_XARG4 0xa8 | ||
281 | #define SF_V9_XARG5 0xb0 | ||
282 | #define SF_V9_XXARG 0xb8 | ||
283 | |||
284 | #define SF_L0 0x00 | ||
285 | #define SF_L1 0x04 | ||
286 | #define SF_L2 0x08 | ||
287 | #define SF_L3 0x0c | ||
288 | #define SF_L4 0x10 | ||
289 | #define SF_L5 0x14 | ||
290 | #define SF_L6 0x18 | ||
291 | #define SF_L7 0x1c | ||
292 | #define SF_I0 0x20 | ||
293 | #define SF_I1 0x24 | ||
294 | #define SF_I2 0x28 | ||
295 | #define SF_I3 0x2c | ||
296 | #define SF_I4 0x30 | ||
297 | #define SF_I5 0x34 | ||
298 | #define SF_FP 0x38 | ||
299 | #define SF_PC 0x3c | ||
300 | #define SF_RETP 0x40 | ||
301 | #define SF_XARG0 0x44 | ||
302 | #define SF_XARG1 0x48 | ||
303 | #define SF_XARG2 0x4c | ||
304 | #define SF_XARG3 0x50 | ||
305 | #define SF_XARG4 0x54 | ||
306 | #define SF_XARG5 0x58 | ||
307 | #define SF_XXARG 0x5c | ||
308 | |||
309 | #ifdef __KERNEL__ | ||
310 | |||
311 | /* global_reg_snapshot offsets */ | ||
312 | #define GR_SNAP_TSTATE 0x00 | ||
313 | #define GR_SNAP_TPC 0x08 | ||
314 | #define GR_SNAP_TNPC 0x10 | ||
315 | #define GR_SNAP_O7 0x18 | ||
316 | #define GR_SNAP_I7 0x20 | ||
317 | #define GR_SNAP_THREAD 0x28 | ||
318 | #define GR_SNAP_PAD1 0x30 | ||
319 | #define GR_SNAP_PAD2 0x38 | ||
320 | |||
321 | #endif /* __KERNEL__ */ | ||
322 | |||
323 | /* Stuff for the ptrace system call */ | ||
324 | #define PTRACE_SPARC_DETACH 11 | ||
325 | #define PTRACE_GETREGS 12 | ||
326 | #define PTRACE_SETREGS 13 | ||
327 | #define PTRACE_GETFPREGS 14 | ||
328 | #define PTRACE_SETFPREGS 15 | ||
329 | #define PTRACE_READDATA 16 | ||
330 | #define PTRACE_WRITEDATA 17 | ||
331 | #define PTRACE_READTEXT 18 | ||
332 | #define PTRACE_WRITETEXT 19 | ||
333 | #define PTRACE_GETFPAREGS 20 | ||
334 | #define PTRACE_SETFPAREGS 21 | ||
335 | |||
336 | /* There are for debugging 64-bit processes, either from a 32 or 64 bit | ||
337 | * parent. Thus their complements are for debugging 32-bit processes only. | ||
338 | */ | ||
339 | |||
340 | #define PTRACE_GETREGS64 22 | ||
341 | #define PTRACE_SETREGS64 23 | ||
342 | /* PTRACE_SYSCALL is 24 */ | ||
343 | #define PTRACE_GETFPREGS64 25 | ||
344 | #define PTRACE_SETFPREGS64 26 | ||
345 | |||
346 | #endif /* !(_SPARC64_PTRACE_H) */ | ||