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/***************************************************************************
* 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);
// TODO: int or uint32_t for reg_num?
int (*set_reg)(struct rtos *rtos, int reg_num, uint8_t *reg_value);
};
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);
#endif /* OPENOCD_RTOS_RTOS_H */
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