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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/* $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
13struct 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
22struct 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 */
50struct reg_window {
51 unsigned long locals[8];
52 unsigned long ins[8];
53};
54
55/* A 32-bit register window. */
56struct reg_window32 {
57 unsigned int locals[8];
58 unsigned int ins[8];
59};
60
61/* A V9 Sparc stack frame */
62struct 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 */
73struct 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
83struct 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__
Christoph Hellwig481bed42005-11-07 00:59:47 -080097
David S. Millerdb7d9a42005-07-24 19:36:26 -070098#define force_successful_syscall_return() \
99do { current_thread_info()->syscall_noerror = 1; \
100} while (0)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700101#define user_mode(regs) (!((regs)->tstate & TSTATE_PRIV))
102#define instruction_pointer(regs) ((regs)->tpc)
103#ifdef CONFIG_SMP
104extern unsigned long profile_pc(struct pt_regs *);
105#else
106#define profile_pc(regs) instruction_pointer(regs)
107#endif
108extern void show_regs(struct pt_regs *);
109#endif
110
111#else /* __ASSEMBLY__ */
112/* For assembly code. */
113#define TRACEREG_SZ 0xa0
114#define STACKFRAME_SZ 0xc0
115
116#define TRACEREG32_SZ 0x50
117#define STACKFRAME32_SZ 0x60
118#endif
119
120#ifdef __KERNEL__
121#define STACK_BIAS 2047
122#endif
123
124/* These are for pt_regs. */
125#define PT_V9_G0 0x00
126#define PT_V9_G1 0x08
127#define PT_V9_G2 0x10
128#define PT_V9_G3 0x18
129#define PT_V9_G4 0x20
130#define PT_V9_G5 0x28
131#define PT_V9_G6 0x30
132#define PT_V9_G7 0x38
133#define PT_V9_I0 0x40
134#define PT_V9_I1 0x48
135#define PT_V9_I2 0x50
136#define PT_V9_I3 0x58
137#define PT_V9_I4 0x60
138#define PT_V9_I5 0x68
139#define PT_V9_I6 0x70
140#define PT_V9_FP PT_V9_I6
141#define PT_V9_I7 0x78
142#define PT_V9_TSTATE 0x80
143#define PT_V9_TPC 0x88
144#define PT_V9_TNPC 0x90
145#define PT_V9_Y 0x98
146#define PT_V9_FPRS 0x9c
147#define PT_TSTATE PT_V9_TSTATE
148#define PT_TPC PT_V9_TPC
149#define PT_TNPC PT_V9_TNPC
150
151/* These for pt_regs32. */
152#define PT_PSR 0x0
153#define PT_PC 0x4
154#define PT_NPC 0x8
155#define PT_Y 0xc
156#define PT_G0 0x10
157#define PT_WIM PT_G0
158#define PT_G1 0x14
159#define PT_G2 0x18
160#define PT_G3 0x1c
161#define PT_G4 0x20
162#define PT_G5 0x24
163#define PT_G6 0x28
164#define PT_G7 0x2c
165#define PT_I0 0x30
166#define PT_I1 0x34
167#define PT_I2 0x38
168#define PT_I3 0x3c
169#define PT_I4 0x40
170#define PT_I5 0x44
171#define PT_I6 0x48
172#define PT_FP PT_I6
173#define PT_I7 0x4c
174
175/* Reg_window offsets */
176#define RW_V9_L0 0x00
177#define RW_V9_L1 0x08
178#define RW_V9_L2 0x10
179#define RW_V9_L3 0x18
180#define RW_V9_L4 0x20
181#define RW_V9_L5 0x28
182#define RW_V9_L6 0x30
183#define RW_V9_L7 0x38
184#define RW_V9_I0 0x40
185#define RW_V9_I1 0x48
186#define RW_V9_I2 0x50
187#define RW_V9_I3 0x58
188#define RW_V9_I4 0x60
189#define RW_V9_I5 0x68
190#define RW_V9_I6 0x70
191#define RW_V9_I7 0x78
192
193#define RW_L0 0x00
194#define RW_L1 0x04
195#define RW_L2 0x08
196#define RW_L3 0x0c
197#define RW_L4 0x10
198#define RW_L5 0x14
199#define RW_L6 0x18
200#define RW_L7 0x1c
201#define RW_I0 0x20
202#define RW_I1 0x24
203#define RW_I2 0x28
204#define RW_I3 0x2c
205#define RW_I4 0x30
206#define RW_I5 0x34
207#define RW_I6 0x38
208#define RW_I7 0x3c
209
210/* Stack_frame offsets */
211#define SF_V9_L0 0x00
212#define SF_V9_L1 0x08
213#define SF_V9_L2 0x10
214#define SF_V9_L3 0x18
215#define SF_V9_L4 0x20
216#define SF_V9_L5 0x28
217#define SF_V9_L6 0x30
218#define SF_V9_L7 0x38
219#define SF_V9_I0 0x40
220#define SF_V9_I1 0x48
221#define SF_V9_I2 0x50
222#define SF_V9_I3 0x58
223#define SF_V9_I4 0x60
224#define SF_V9_I5 0x68
225#define SF_V9_FP 0x70
226#define SF_V9_PC 0x78
227#define SF_V9_RETP 0x80
228#define SF_V9_XARG0 0x88
229#define SF_V9_XARG1 0x90
230#define SF_V9_XARG2 0x98
231#define SF_V9_XARG3 0xa0
232#define SF_V9_XARG4 0xa8
233#define SF_V9_XARG5 0xb0
234#define SF_V9_XXARG 0xb8
235
236#define SF_L0 0x00
237#define SF_L1 0x04
238#define SF_L2 0x08
239#define SF_L3 0x0c
240#define SF_L4 0x10
241#define SF_L5 0x14
242#define SF_L6 0x18
243#define SF_L7 0x1c
244#define SF_I0 0x20
245#define SF_I1 0x24
246#define SF_I2 0x28
247#define SF_I3 0x2c
248#define SF_I4 0x30
249#define SF_I5 0x34
250#define SF_FP 0x38
251#define SF_PC 0x3c
252#define SF_RETP 0x40
253#define SF_XARG0 0x44
254#define SF_XARG1 0x48
255#define SF_XARG2 0x4c
256#define SF_XARG3 0x50
257#define SF_XARG4 0x54
258#define SF_XARG5 0x58
259#define SF_XXARG 0x5c
260
261/* Stuff for the ptrace system call */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700262#define PTRACE_GETREGS 12
263#define PTRACE_SETREGS 13
264#define PTRACE_GETFPREGS 14
265#define PTRACE_SETFPREGS 15
266#define PTRACE_READDATA 16
267#define PTRACE_WRITEDATA 17
268#define PTRACE_READTEXT 18
269#define PTRACE_WRITETEXT 19
270#define PTRACE_GETFPAREGS 20
271#define PTRACE_SETFPAREGS 21
272
273/* There are for debugging 64-bit processes, either from a 32 or 64 bit
274 * parent. Thus their complements are for debugging 32-bit processes only.
275 */
276
277#define PTRACE_GETREGS64 22
278#define PTRACE_SETREGS64 23
279/* PTRACE_SYSCALL is 24 */
280#define PTRACE_GETFPREGS64 25
281#define PTRACE_SETFPREGS64 26
282
Linus Torvalds1da177e2005-04-16 15:20:36 -0700283#endif /* !(_SPARC64_PTRACE_H) */