src/rtos/rtos.h

   1 /***************************************************************************
   2  *   Copyright (C) 2011 by Broadcom Corporation                            *
   3  *   Evan Hunter - ehunter@broadcom.com                                    *
   4  *                                                                         *
   5  *   This program is free software; you can redistribute it and/or modify  *
   6  *   it under the terms of the GNU General Public License as published by  *
   7  *   the Free Software Foundation; either version 2 of the License, or     *
   8  *   (at your option) any later version.                                   *
   9  *                                                                         *
  10  *   This program is distributed in the hope that it will be useful,       *
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  13  *   GNU General Public License for more details.                          *
  14  *                                                                         *
  15  *   You should have received a copy of the GNU General Public License     *
  16  *   along with this program; if not, write to the                         *
  17  *   Free Software Foundation, Inc.,                                       *
  18  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
  19  ***************************************************************************/
  20
  21 #ifndef RTOS_H
  22 #define RTOS_H
  23
  24 #include "server/server.h"
  25 #include <helper/types.h>
  26 #include <jim-nvp.h>
  27
  28 typedef int64_t threadid_t;
  29 typedef int64_t symbol_address_t;
  30
  31 struct reg;
  32
  33 /**
  34  * Table should be terminated by an element with NULL in symbol_name
  35  */
  36 typedef struct symbol_table_elem_struct {
  37         char *symbol_name;
  38         symbol_address_t address;
  39
  40 } symbol_table_elem_t;
  41
  42 struct thread_detail {
  43         threadid_t threadid;
  44         bool exists;
  45         char *display_str;
  46         char *thread_name_str;
  47         char *extra_info_str;
  48 };
  49
  50 struct rtos {
  51         const struct rtos_type *type;
  52
  53         symbol_table_elem_t *symbols;
  54         struct target *target;
  55         /*  add a context variable instead of global variable */
  56         int64_t current_threadid;
  57         threadid_t current_thread;
  58         struct thread_detail *thread_details;
  59         int thread_count;
  60         int (*gdb_thread_packet)(struct connection *connection, char *packet, int packet_size);
  61         void *rtos_specific_params;
  62 };
  63
  64 struct rtos_type {
  65         char *name;
  66         int (*detect_rtos)(struct target *target);
  67         int (*create)(struct target *target);
  68         int (*smp_init)(struct target *target);
  69         int (*update_threads)(struct rtos *rtos);
  70         int (*get_thread_reg_list)(struct rtos *rtos, int64_t thread_id, char **hex_reg_list);
  71         int (*get_symbol_list_to_lookup)(symbol_table_elem_t *symbol_list[]);
  72         int (*clean)(struct target *target);
  73         char * (*ps_command)(struct target *target);
  74 };
  75
  76 struct stack_register_offset {
  77         signed short offset;            /* offset in bytes from stack head, or -1 to indicate
  78                                          * register is not stacked, or -2 to indicate this is the
  79                                          * stack pointer register */
  80         unsigned short width_bits;
  81 };
  82
  83 struct rtos_register_stacking {
  84         unsigned char stack_registers_size;
  85         signed char stack_growth_direction;
  86         unsigned char num_output_registers;
  87         unsigned char stack_alignment;
  88         const struct stack_register_offset *register_offsets;
  89 };
  90
  91 #define GDB_THREAD_PACKET_NOT_CONSUMED (-40)
  92
  93 int rtos_create(Jim_GetOptInfo *goi, struct target *target);
  94 int rtos_generic_stack_read(struct target *target,
  95                 const struct rtos_register_stacking *stacking,
  96                 int64_t stack_ptr,
  97                 char **hex_reg_list);
  98 int rtos_try_next(struct target *target);
  99 int gdb_thread_packet(struct connection *connection, char *packet, int packet_size);
 100 int rtos_get_gdb_reg_list(struct connection *connection);
 101 int rtos_update_threads(struct target *target);
 102 int rtos_smp_init(struct target *target);
 103 /*  function for handling symbol access */
 104 int rtos_qsymbol(struct connection *connection, char *packet, int packet_size);
 105 int str_to_hex(char *hex_dst, char *src);
 106
 107 #endif  /* RTOS_H */