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1da177e4 LT |
1 | /* $Id: ptrace.h,v 1.25 1997/03/04 16:27:25 jj Exp $ */ |
2 | #ifndef _SPARC_PTRACE_H | |
3 | #define _SPARC_PTRACE_H | |
4 | ||
5 | #include <asm/psr.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 psr; | |
15 | unsigned long pc; | |
16 | unsigned long npc; | |
17 | unsigned long y; | |
18 | unsigned long u_regs[16]; /* globals and ins */ | |
19 | }; | |
20 | ||
21 | #define UREG_G0 0 | |
22 | #define UREG_G1 1 | |
23 | #define UREG_G2 2 | |
24 | #define UREG_G3 3 | |
25 | #define UREG_G4 4 | |
26 | #define UREG_G5 5 | |
27 | #define UREG_G6 6 | |
28 | #define UREG_G7 7 | |
29 | #define UREG_I0 8 | |
30 | #define UREG_I1 9 | |
31 | #define UREG_I2 10 | |
32 | #define UREG_I3 11 | |
33 | #define UREG_I4 12 | |
34 | #define UREG_I5 13 | |
35 | #define UREG_I6 14 | |
36 | #define UREG_I7 15 | |
37 | #define UREG_WIM UREG_G0 | |
38 | #define UREG_FADDR UREG_G0 | |
39 | #define UREG_FP UREG_I6 | |
40 | #define UREG_RETPC UREG_I7 | |
41 | ||
42 | /* A register window */ | |
43 | struct reg_window { | |
44 | unsigned long locals[8]; | |
45 | unsigned long ins[8]; | |
46 | }; | |
47 | ||
48 | /* A Sparc stack frame */ | |
49 | struct sparc_stackf { | |
50 | unsigned long locals[8]; | |
51 | unsigned long ins[6]; | |
52 | struct sparc_stackf *fp; | |
53 | unsigned long callers_pc; | |
54 | char *structptr; | |
55 | unsigned long xargs[6]; | |
56 | unsigned long xxargs[1]; | |
57 | }; | |
58 | ||
59 | #define TRACEREG_SZ sizeof(struct pt_regs) | |
60 | #define STACKFRAME_SZ sizeof(struct sparc_stackf) | |
61 | ||
62 | #ifdef __KERNEL__ | |
63 | #define user_mode(regs) (!((regs)->psr & PSR_PS)) | |
64 | #define instruction_pointer(regs) ((regs)->pc) | |
65 | unsigned long profile_pc(struct pt_regs *); | |
66 | extern void show_regs(struct pt_regs *); | |
67 | #endif | |
68 | ||
69 | #else /* __ASSEMBLY__ */ | |
70 | /* For assembly code. */ | |
71 | #define TRACEREG_SZ 0x50 | |
72 | #define STACKFRAME_SZ 0x60 | |
73 | #endif | |
74 | ||
75 | /* | |
47003497 | 76 | * The asm-offsets.h is a generated file, so we cannot include it. |
1da177e4 LT |
77 | * It may be OK for glibc headers, but it's utterly pointless for C code. |
78 | * The assembly code using those offsets has to include it explicitly. | |
79 | */ | |
47003497 | 80 | /* #include <asm/asm-offsets.h> */ |
1da177e4 LT |
81 | |
82 | /* These are for pt_regs. */ | |
83 | #define PT_PSR 0x0 | |
84 | #define PT_PC 0x4 | |
85 | #define PT_NPC 0x8 | |
86 | #define PT_Y 0xc | |
87 | #define PT_G0 0x10 | |
88 | #define PT_WIM PT_G0 | |
89 | #define PT_G1 0x14 | |
90 | #define PT_G2 0x18 | |
91 | #define PT_G3 0x1c | |
92 | #define PT_G4 0x20 | |
93 | #define PT_G5 0x24 | |
94 | #define PT_G6 0x28 | |
95 | #define PT_G7 0x2c | |
96 | #define PT_I0 0x30 | |
97 | #define PT_I1 0x34 | |
98 | #define PT_I2 0x38 | |
99 | #define PT_I3 0x3c | |
100 | #define PT_I4 0x40 | |
101 | #define PT_I5 0x44 | |
102 | #define PT_I6 0x48 | |
103 | #define PT_FP PT_I6 | |
104 | #define PT_I7 0x4c | |
105 | ||
106 | /* Reg_window offsets */ | |
107 | #define RW_L0 0x00 | |
108 | #define RW_L1 0x04 | |
109 | #define RW_L2 0x08 | |
110 | #define RW_L3 0x0c | |
111 | #define RW_L4 0x10 | |
112 | #define RW_L5 0x14 | |
113 | #define RW_L6 0x18 | |
114 | #define RW_L7 0x1c | |
115 | #define RW_I0 0x20 | |
116 | #define RW_I1 0x24 | |
117 | #define RW_I2 0x28 | |
118 | #define RW_I3 0x2c | |
119 | #define RW_I4 0x30 | |
120 | #define RW_I5 0x34 | |
121 | #define RW_I6 0x38 | |
122 | #define RW_I7 0x3c | |
123 | ||
124 | /* Stack_frame offsets */ | |
125 | #define SF_L0 0x00 | |
126 | #define SF_L1 0x04 | |
127 | #define SF_L2 0x08 | |
128 | #define SF_L3 0x0c | |
129 | #define SF_L4 0x10 | |
130 | #define SF_L5 0x14 | |
131 | #define SF_L6 0x18 | |
132 | #define SF_L7 0x1c | |
133 | #define SF_I0 0x20 | |
134 | #define SF_I1 0x24 | |
135 | #define SF_I2 0x28 | |
136 | #define SF_I3 0x2c | |
137 | #define SF_I4 0x30 | |
138 | #define SF_I5 0x34 | |
139 | #define SF_FP 0x38 | |
140 | #define SF_PC 0x3c | |
141 | #define SF_RETP 0x40 | |
142 | #define SF_XARG0 0x44 | |
143 | #define SF_XARG1 0x48 | |
144 | #define SF_XARG2 0x4c | |
145 | #define SF_XARG3 0x50 | |
146 | #define SF_XARG4 0x54 | |
147 | #define SF_XARG5 0x58 | |
148 | #define SF_XXARG 0x5c | |
149 | ||
150 | /* Stuff for the ptrace system call */ | |
151 | #define PTRACE_SUNATTACH 10 | |
152 | #define PTRACE_SUNDETACH 11 | |
153 | #define PTRACE_GETREGS 12 | |
154 | #define PTRACE_SETREGS 13 | |
155 | #define PTRACE_GETFPREGS 14 | |
156 | #define PTRACE_SETFPREGS 15 | |
157 | #define PTRACE_READDATA 16 | |
158 | #define PTRACE_WRITEDATA 17 | |
159 | #define PTRACE_READTEXT 18 | |
160 | #define PTRACE_WRITETEXT 19 | |
161 | #define PTRACE_GETFPAREGS 20 | |
162 | #define PTRACE_SETFPAREGS 21 | |
163 | ||
164 | #define PTRACE_GETUCODE 29 /* stupid bsd-ism */ | |
165 | ||
166 | ||
167 | #endif /* !(_SPARC_PTRACE_H) */ |