1 /* Inferior process information for the remote server for GDB.
2 Copyright (C) 1993-2017 Free Software Foundation, Inc.
4 This file is part of GDB.
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.
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.
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/>. */
24 /* Generic information for tracking a list of ``inferiors'' - threads,
28 struct inferior_list_entry *head;
29 struct inferior_list_entry *tail;
31 struct inferior_list_entry
34 struct inferior_list_entry *next;
42 struct raw_breakpoint;
43 struct fast_tracepoint_jump;
44 struct process_info_private;
48 /* This must appear first.
49 The list iterator functions assume it. */
50 struct inferior_list_entry entry;
52 /* Nonzero if this child process was attached rather than
56 /* True if GDB asked us to detach from this process, but we remained
60 /* The symbol cache. */
61 struct sym_cache *symbol_cache;
63 /* The list of memory breakpoints. */
64 struct breakpoint *breakpoints;
66 /* The list of raw memory breakpoints. */
67 struct raw_breakpoint *raw_breakpoints;
69 /* The list of installed fast tracepoints. */
70 struct fast_tracepoint_jump *fast_tracepoint_jumps;
72 /* The list of syscalls to report, or just a single element, ANY_SYSCALL,
73 for unfiltered syscall reporting. */
74 VEC (int) *syscalls_to_catch;
76 const struct target_desc *tdesc;
78 /* Private target data. */
79 struct process_info_private *priv;
82 #define ptid_of(inf) ((inf)->entry.id)
83 #define pid_of(inf) ptid_get_pid ((inf)->entry.id)
84 #define lwpid_of(inf) ptid_get_lwp ((inf)->entry.id)
86 /* Return a pointer to the process that corresponds to the current
87 thread (current_thread). It is an error to call this if there is
88 no current thread selected. */
90 struct process_info *current_process (void);
91 struct process_info *get_thread_process (const struct thread_info *);
93 extern struct inferior_list all_processes;
95 void add_inferior_to_list (struct inferior_list *list,
96 struct inferior_list_entry *new_inferior);
97 void for_each_inferior (struct inferior_list *list,
98 void (*action) (struct inferior_list_entry *));
100 void for_each_inferior_with_data
101 (struct inferior_list *list,
102 void (*action) (struct inferior_list_entry *, void *),
105 void clear_inferior_list (struct inferior_list *list);
107 int one_inferior_p (struct inferior_list *list);
109 /* Helper for ALL_INFERIORS_TYPE. Gets the next element starting at
110 CUR, if CUR is not NULL. */
111 #define A_I_NEXT(type, list, cur) \
113 ? (type *) ((struct inferior_list_entry *) cur)->next \
116 /* Iterate over all inferiors of type TYPE in LIST, open loop
118 #define ALL_INFERIORS_TYPE(type, list, cur, tmp) \
119 for ((cur) = (type *) (list)->head, (tmp) = A_I_NEXT (type, list, cur); \
121 (cur) = (tmp), (tmp) = A_I_NEXT (type, list, cur))
123 /* Iterate over all inferiors in LIST, open loop style. */
124 #define ALL_INFERIORS(list, cur, tmp) \
125 ALL_INFERIORS_TYPE (struct inferior_list_entry, list, cur, tmp)
127 /* Iterate over all processes, open loop style. */
128 #define ALL_PROCESSES(cur, tmp) \
129 ALL_INFERIORS_TYPE (struct process_info, &all_processes, cur, tmp)
131 extern struct thread_info *current_thread;
132 void remove_inferior (struct inferior_list *list,
133 struct inferior_list_entry *entry);
135 struct inferior_list_entry *get_first_inferior (struct inferior_list *list);
137 /* Return the first process in the processes list. */
138 struct process_info *get_first_process (void);
140 struct process_info *add_process (int pid, int attached);
141 void remove_process (struct process_info *process);
142 struct process_info *find_process_pid (int pid);
143 int have_started_inferiors_p (void);
144 int have_attached_inferiors_p (void);
146 ptid_t thread_to_gdb_id (struct thread_info *);
147 ptid_t gdb_id_to_thread_id (ptid_t);
149 void clear_inferiors (void);
150 struct inferior_list_entry *find_inferior
151 (struct inferior_list *,
152 int (*func) (struct inferior_list_entry *,
155 struct inferior_list_entry *find_inferior_id (struct inferior_list *list,
157 struct inferior_list_entry *
158 find_inferior_in_random (struct inferior_list *,
159 int (*func) (struct inferior_list_entry *,
163 void *inferior_target_data (struct thread_info *);
164 void set_inferior_target_data (struct thread_info *, void *);
165 struct regcache *inferior_regcache_data (struct thread_info *);
166 void set_inferior_regcache_data (struct thread_info *, struct regcache *);
168 #endif /* INFERIORS_H */