gdb/gdbserver/inferiors.h

   1 /* Inferior process information for the remote server for GDB.
   2    Copyright (C) 1993-2014 Free Software Foundation, Inc.
   3
   4    This file is part of GDB.
   5
   6    This program is free software; you can redistribute it and/or modify
   7    it under the terms of the GNU General Public License as published by
   8    the Free Software Foundation; either version 3 of the License, or
   9    (at your option) any later version.
  10
  11    This program is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14    GNU General Public License for more details.
  15
  16    You should have received a copy of the GNU General Public License
  17    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  18
  19 #ifndef INFERIORS_H
  20 #define INFERIORS_H
  21
  22 /* Generic information for tracking a list of ``inferiors'' - threads,
  23    processes, etc.  */
  24 struct inferior_list
  25 {
  26   struct inferior_list_entry *head;
  27   struct inferior_list_entry *tail;
  28 };
  29 struct inferior_list_entry
  30 {
  31   ptid_t id;
  32   struct inferior_list_entry *next;
  33 };
  34
  35 struct thread_info;
  36 struct target_desc;
  37 struct sym_cache;
  38 struct breakpoint;
  39 struct raw_breakpoint;
  40 struct fast_tracepoint_jump;
  41 struct process_info_private;
  42
  43 struct process_info
  44 {
  45   struct inferior_list_entry head;
  46
  47   /* Nonzero if this child process was attached rather than
  48      spawned.  */
  49   int attached;
  50
  51   /* True if GDB asked us to detach from this process, but we remained
  52      attached anyway.  */
  53   int gdb_detached;
  54
  55   /* The symbol cache.  */
  56   struct sym_cache *symbol_cache;
  57
  58   /* The list of memory breakpoints.  */
  59   struct breakpoint *breakpoints;
  60
  61   /* The list of raw memory breakpoints.  */
  62   struct raw_breakpoint *raw_breakpoints;
  63
  64   /* The list of installed fast tracepoints.  */
  65   struct fast_tracepoint_jump *fast_tracepoint_jumps;
  66
  67   const struct target_desc *tdesc;
  68
  69   /* Private target data.  */
  70   struct process_info_private *private;
  71 };
  72
  73 /* Return a pointer to the process that corresponds to the current
  74    thread (current_inferior).  It is an error to call this if there is
  75    no current thread selected.  */
  76
  77 struct process_info *current_process (void);
  78 struct process_info *get_thread_process (struct thread_info *);
  79
  80 extern struct inferior_list all_processes;
  81
  82 void add_inferior_to_list (struct inferior_list *list,
  83                            struct inferior_list_entry *new_inferior);
  84 void for_each_inferior (struct inferior_list *list,
  85                         void (*action) (struct inferior_list_entry *));
  86
  87 extern struct thread_info *current_inferior;
  88 void remove_inferior (struct inferior_list *list,
  89                       struct inferior_list_entry *entry);
  90
  91 struct process_info *add_process (int pid, int attached);
  92 void remove_process (struct process_info *process);
  93 struct process_info *find_process_pid (int pid);
  94 int have_started_inferiors_p (void);
  95 int have_attached_inferiors_p (void);
  96
  97 ptid_t thread_to_gdb_id (struct thread_info *);
  98 ptid_t gdb_id_to_thread_id (ptid_t);
  99
 100 void clear_inferiors (void);
 101 struct inferior_list_entry *find_inferior
 102      (struct inferior_list *,
 103       int (*func) (struct inferior_list_entry *,
 104                    void *),
 105       void *arg);
 106 struct inferior_list_entry *find_inferior_id (struct inferior_list *list,
 107                                               ptid_t id);
 108 void *inferior_target_data (struct thread_info *);
 109 void set_inferior_target_data (struct thread_info *, void *);
 110 void *inferior_regcache_data (struct thread_info *);
 111 void set_inferior_regcache_data (struct thread_info *, void *);
 112
 113 #endif /* INFERIORS_H */