blob: 56795d6cab4cc65f57d0408013436b3e0da492b2 (
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
|
#ifndef _ASM_M32R_PTRACE_H
#define _ASM_M32R_PTRACE_H
/*
* linux/include/asm-m32r/ptrace.h
*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
* M32R version:
* Copyright (C) 2001-2002, 2004 Hirokazu Takata <takata at linux-m32r.org>
*/
/* 0 - 13 are integer registers (general purpose registers). */
#define PT_R4 0
#define PT_R5 1
#define PT_R6 2
#define PT_REGS 3
#define PT_R0 4
#define PT_R1 5
#define PT_R2 6
#define PT_R3 7
#define PT_R7 8
#define PT_R8 9
#define PT_R9 10
#define PT_R10 11
#define PT_R11 12
#define PT_R12 13
#define PT_SYSCNR 14
#define PT_R13 PT_FP
#define PT_R14 PT_LR
#define PT_R15 PT_SP
/* processor status and miscellaneous context registers. */
#define PT_ACC0H 15
#define PT_ACC0L 16
#define PT_ACC1H 17 /* ISA_DSP_LEVEL2 only */
#define PT_ACC1L 18 /* ISA_DSP_LEVEL2 only */
#define PT_PSW 19
#define PT_BPC 20
#define PT_BBPSW 21
#define PT_BBPC 22
#define PT_SPU 23
#define PT_FP 24
#define PT_LR 25
#define PT_SPI 26
#define PT_ORIGR0 27
/* virtual pt_reg entry for gdb */
#define PT_PC 30
#define PT_CBR 31
#define PT_EVB 32
/* Control registers. */
#define SPR_CR0 PT_PSW
#define SPR_CR1 PT_CBR /* read only */
#define SPR_CR2 PT_SPI
#define SPR_CR3 PT_SPU
#define SPR_CR4
#define SPR_CR5 PT_EVB /* part of M32R/E, M32R/I core only */
#define SPR_CR6 PT_BPC
#define SPR_CR7
#define SPR_CR8 PT_BBPSW
#define SPR_CR9
#define SPR_CR10
#define SPR_CR11
#define SPR_CR12
#define SPR_CR13 PT_WR
#define SPR_CR14 PT_BBPC
#define SPR_CR15
/* this struct defines the way the registers are stored on the
stack during a system call. */
struct pt_regs {
/* Saved main processor registers. */
unsigned long r4;
unsigned long r5;
unsigned long r6;
struct pt_regs *pt_regs;
unsigned long r0;
unsigned long r1;
unsigned long r2;
unsigned long r3;
unsigned long r7;
unsigned long r8;
unsigned long r9;
unsigned long r10;
unsigned long r11;
unsigned long r12;
long syscall_nr;
/* Saved main processor status and miscellaneous context registers. */
unsigned long acc0h;
unsigned long acc0l;
unsigned long acc1h; /* ISA_DSP_LEVEL2 only */
unsigned long acc1l; /* ISA_DSP_LEVEL2 only */
unsigned long psw;
unsigned long bpc; /* saved PC for TRAP syscalls */
unsigned long bbpsw;
unsigned long bbpc;
unsigned long spu; /* saved user stack */
unsigned long fp;
unsigned long lr; /* saved PC for JL syscalls */
unsigned long spi; /* saved kernel stack */
unsigned long orig_r0;
};
/* Arbitrarily choose the same ptrace numbers as used by the Sparc code. */
#define PTRACE_GETREGS 12
#define PTRACE_SETREGS 13
#define PTRACE_OLDSETOPTIONS 21
#ifdef __KERNEL__
#include <asm/m32r.h> /* M32R_PSW_BSM, M32R_PSW_BPM */
#define arch_has_single_step() (1)
struct task_struct;
extern void init_debug_traps(struct task_struct *);
#define arch_ptrace_attach(child) \
init_debug_traps(child)
#if defined(CONFIG_ISA_M32R2) || defined(CONFIG_CHIP_VDEC2)
#define user_mode(regs) ((M32R_PSW_BPM & (regs)->psw) != 0)
#elif defined(CONFIG_ISA_M32R)
#define user_mode(regs) ((M32R_PSW_BSM & (regs)->psw) != 0)
#else
#error unknown isa configuration
#endif
#define instruction_pointer(regs) ((regs)->bpc)
#define profile_pc(regs) instruction_pointer(regs)
#define user_stack_pointer(regs) ((regs)->spu)
extern void withdraw_debug_trap(struct pt_regs *regs);
#define task_pt_regs(task) \
((struct pt_regs *)(task_stack_page(task) + THREAD_SIZE) - 1)
#define current_pt_regs() ((struct pt_regs *) \
((unsigned long)current_thread_info() + THREAD_SIZE) - 1)
#endif /* __KERNEL */
#endif /* _ASM_M32R_PTRACE_H */
|
