summaryrefslogtreecommitdiff
path: root/include/asm-sparc/ptrace.h
blob: 8201a7b29d49bdc7052793b4ccac9b75fb5b8b73 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
/* $Id: ptrace.h,v 1.25 1997/03/04 16:27:25 jj Exp $ */
#ifndef _SPARC_PTRACE_H
#define _SPARC_PTRACE_H

#include <asm/psr.h>

/* This struct defines the way the registers are stored on the 
 * stack during a system call and basically all traps.
 */

#ifndef __ASSEMBLY__

struct pt_regs {
	unsigned long psr;
	unsigned long pc;
	unsigned long npc;
	unsigned long y;
	unsigned long u_regs[16]; /* globals and ins */
};

#define UREG_G0        0
#define UREG_G1        1
#define UREG_G2        2
#define UREG_G3        3
#define UREG_G4        4
#define UREG_G5        5
#define UREG_G6        6
#define UREG_G7        7
#define UREG_I0        8
#define UREG_I1        9
#define UREG_I2        10
#define UREG_I3        11
#define UREG_I4        12
#define UREG_I5        13
#define UREG_I6        14
#define UREG_I7        15
#define UREG_WIM       UREG_G0
#define UREG_FADDR     UREG_G0
#define UREG_FP        UREG_I6
#define UREG_RETPC     UREG_I7

/* A register window */
struct reg_window {
	unsigned long locals[8];
	unsigned long ins[8];
};

/* A Sparc stack frame */
struct sparc_stackf {
	unsigned long locals[8];
        unsigned long ins[6];
	struct sparc_stackf *fp;
	unsigned long callers_pc;
	char *structptr;
	unsigned long xargs[6];
	unsigned long xxargs[1];
};	

#define TRACEREG_SZ   sizeof(struct pt_regs)
#define STACKFRAME_SZ sizeof(struct sparc_stackf)

#ifdef __KERNEL__

#define user_mode(regs) (!((regs)->psr & PSR_PS))
#define instruction_pointer(regs) ((regs)->pc)
unsigned long profile_pc(struct pt_regs *);
extern void show_regs(struct pt_regs *);
#endif

#else /* __ASSEMBLY__ */
/* For assembly code. */
#define TRACEREG_SZ       0x50
#define STACKFRAME_SZ     0x60
#endif

/*
 * The asm-offsets.h is a generated file, so we cannot include it.
 * It may be OK for glibc headers, but it's utterly pointless for C code.
 * The assembly code using those offsets has to include it explicitly.
 */
/* #include <asm/asm-offsets.h> */

/* These are for pt_regs. */
#define PT_PSR    0x0
#define PT_PC     0x4
#define PT_NPC    0x8
#define PT_Y      0xc
#define PT_G0     0x10
#define PT_WIM    PT_G0
#define PT_G1     0x14
#define PT_G2     0x18
#define PT_G3     0x1c
#define PT_G4     0x20
#define PT_G5     0x24
#define PT_G6     0x28
#define PT_G7     0x2c
#define PT_I0     0x30
#define PT_I1     0x34
#define PT_I2     0x38
#define PT_I3     0x3c
#define PT_I4     0x40
#define PT_I5     0x44
#define PT_I6     0x48
#define PT_FP     PT_I6
#define PT_I7     0x4c

/* Reg_window offsets */
#define RW_L0     0x00
#define RW_L1     0x04
#define RW_L2     0x08
#define RW_L3     0x0c
#define RW_L4     0x10
#define RW_L5     0x14
#define RW_L6     0x18
#define RW_L7     0x1c
#define RW_I0     0x20
#define RW_I1     0x24
#define RW_I2     0x28
#define RW_I3     0x2c
#define RW_I4     0x30
#define RW_I5     0x34
#define RW_I6     0x38
#define RW_I7     0x3c

/* Stack_frame offsets */
#define SF_L0     0x00
#define SF_L1     0x04
#define SF_L2     0x08
#define SF_L3     0x0c
#define SF_L4     0x10
#define SF_L5     0x14
#define SF_L6     0x18
#define SF_L7     0x1c
#define SF_I0     0x20
#define SF_I1     0x24
#define SF_I2     0x28
#define SF_I3     0x2c
#define SF_I4     0x30
#define SF_I5     0x34
#define SF_FP     0x38
#define SF_PC     0x3c
#define SF_RETP   0x40
#define SF_XARG0  0x44
#define SF_XARG1  0x48
#define SF_XARG2  0x4c
#define SF_XARG3  0x50
#define SF_XARG4  0x54
#define SF_XARG5  0x58
#define SF_XXARG  0x5c

/* Stuff for the ptrace system call */
#define PTRACE_GETREGS            12
#define PTRACE_SETREGS            13
#define PTRACE_GETFPREGS          14
#define PTRACE_SETFPREGS          15
#define PTRACE_READDATA           16
#define PTRACE_WRITEDATA          17
#define PTRACE_READTEXT           18
#define PTRACE_WRITETEXT          19
#define PTRACE_GETFPAREGS         20
#define PTRACE_SETFPAREGS         21

#endif /* !(_SPARC_PTRACE_H) */