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
|
/***************************************************************************
* Copyright (C) 2011 by Broadcom Corporation *
* Evan Hunter - ehunter@broadcom.com *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program. If not, see <http://www.gnu.org/licenses/>. *
***************************************************************************/
#ifndef OPENOCD_RTOS_RTOS_H
#define OPENOCD_RTOS_RTOS_H
#include "server/server.h"
#include "target/target.h"
#include <jim-nvp.h>
typedef int64_t threadid_t;
typedef int64_t symbol_address_t;
struct reg;
/**
* Table should be terminated by an element with NULL in symbol_name
*/
typedef struct symbol_table_elem_struct {
const char *symbol_name;
symbol_address_t address;
bool optional;
} symbol_table_elem_t;
struct thread_detail {
threadid_t threadid;
bool exists;
char *thread_name_str;
char *extra_info_str;
};
struct rtos {
const struct rtos_type *type;
symbol_table_elem_t *symbols;
struct target *target;
/* add a context variable instead of global variable */
/* The thread currently selected by gdb. */
int64_t current_threadid;
/* The currently selected thread according to the target. */
threadid_t current_thread;
struct thread_detail *thread_details;
int thread_count;
int (*gdb_thread_packet)(struct connection *connection, char const *packet, int packet_size);
int (*gdb_v_packet)(struct connection *connection, char const *packet, int packet_size);
int (*gdb_target_for_threadid)(struct connection *connection, int64_t thread_id, struct target **p_target);
void *rtos_specific_params;
};
struct rtos_reg {
uint32_t number;
uint32_t size;
uint8_t value[8];
};
struct rtos_type {
const char *name;
bool (*detect_rtos)(struct target *target);
int (*create)(struct target *target);
int (*smp_init)(struct target *target);
int (*update_threads)(struct rtos *rtos);
/** Return a list of general registers, with their values filled out. */
int (*get_thread_reg_list)(struct rtos *rtos, int64_t thread_id,
struct rtos_reg **reg_list, int *num_regs);
int (*get_thread_reg)(struct rtos *rtos, int64_t thread_id,
uint32_t reg_num, struct rtos_reg *reg);
int (*get_symbol_list_to_lookup)(symbol_table_elem_t *symbol_list[]);
int (*clean)(struct target *target);
char * (*ps_command)(struct target *target);
int (*set_reg)(struct rtos *rtos, uint32_t reg_num, uint8_t *reg_value);
/**
* Possibly work around an annoying gdb behaviour: when the current thread
* is changed in gdb, it assumes that the target can follow and also make
* the thread current. This is an assumption that cannot hold for a real
* target running a multi-threading OS. If an RTOS can do this, override
* needs_fake_step(). */
bool (*needs_fake_step)(struct target *target, int64_t thread_id);
};
struct stack_register_offset {
unsigned short number; /* register number */
signed short offset; /* offset in bytes from stack head, or -1 to indicate
* register is not stacked, or -2 to indicate this is the
* stack pointer register */
unsigned short width_bits;
};
struct rtos_register_stacking {
unsigned char stack_registers_size;
signed char stack_growth_direction;
unsigned char num_output_registers;
/* Some targets require evaluating the stack to determine the
* actual stack pointer for a process. If this field is NULL,
* just use stacking->stack_registers_size * stack_growth_direction
* to calculate adjustment.
*/
int64_t (*calculate_process_stack)(struct target *target,
const uint8_t *stack_data,
const struct rtos_register_stacking *stacking,
int64_t stack_ptr);
const struct stack_register_offset *register_offsets;
};
#define GDB_THREAD_PACKET_NOT_CONSUMED (-40)
int rtos_create(Jim_GetOptInfo *goi, struct target *target);
int rtos_set_reg(struct connection *connection, int reg_num,
uint8_t *reg_value);
int rtos_generic_stack_read(struct target *target,
const struct rtos_register_stacking *stacking,
int64_t stack_ptr,
struct rtos_reg **reg_list,
int *num_regs);
int rtos_try_next(struct target *target);
int gdb_thread_packet(struct connection *connection, char const *packet, int packet_size);
int rtos_get_gdb_reg(struct connection *connection, int reg_num);
int rtos_get_gdb_reg_list(struct connection *connection);
int rtos_update_threads(struct target *target);
void rtos_free_threadlist(struct rtos *rtos);
int rtos_smp_init(struct target *target);
/* function for handling symbol access */
int rtos_qsymbol(struct connection *connection, char const *packet, int packet_size);
bool rtos_needs_fake_step(struct target *target, int64_t thread_id);
#endif /* OPENOCD_RTOS_RTOS_H */
|
