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270c6aea | 1 | /* Inferior process information for the remote server for GDB. |
618f726f | 2 | Copyright (C) 1993-2016 Free Software Foundation, Inc. |
270c6aea PA |
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 | ||
82075af2 JS |
22 | #include "gdb_vecs.h" |
23 | ||
270c6aea PA |
24 | /* Generic information for tracking a list of ``inferiors'' - threads, |
25 | processes, etc. */ | |
26 | struct inferior_list | |
27 | { | |
28 | struct inferior_list_entry *head; | |
29 | struct inferior_list_entry *tail; | |
30 | }; | |
31 | struct inferior_list_entry | |
32 | { | |
33 | ptid_t id; | |
34 | struct inferior_list_entry *next; | |
35 | }; | |
36 | ||
37 | struct thread_info; | |
a44892be | 38 | struct regcache; |
270c6aea PA |
39 | struct target_desc; |
40 | struct sym_cache; | |
41 | struct breakpoint; | |
42 | struct raw_breakpoint; | |
43 | struct fast_tracepoint_jump; | |
44 | struct process_info_private; | |
45 | ||
46 | struct process_info | |
47 | { | |
80894984 DE |
48 | /* This must appear first. |
49 | The list iterator functions assume it. */ | |
50 | struct inferior_list_entry entry; | |
270c6aea PA |
51 | |
52 | /* Nonzero if this child process was attached rather than | |
53 | spawned. */ | |
54 | int attached; | |
55 | ||
56 | /* True if GDB asked us to detach from this process, but we remained | |
57 | attached anyway. */ | |
58 | int gdb_detached; | |
59 | ||
60 | /* The symbol cache. */ | |
61 | struct sym_cache *symbol_cache; | |
62 | ||
63 | /* The list of memory breakpoints. */ | |
64 | struct breakpoint *breakpoints; | |
65 | ||
66 | /* The list of raw memory breakpoints. */ | |
67 | struct raw_breakpoint *raw_breakpoints; | |
68 | ||
69 | /* The list of installed fast tracepoints. */ | |
70 | struct fast_tracepoint_jump *fast_tracepoint_jumps; | |
71 | ||
82075af2 JS |
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; | |
75 | ||
270c6aea PA |
76 | const struct target_desc *tdesc; |
77 | ||
78 | /* Private target data. */ | |
fe978cb0 | 79 | struct process_info_private *priv; |
270c6aea PA |
80 | }; |
81 | ||
d86d4aaf DE |
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) | |
85 | ||
270c6aea | 86 | /* Return a pointer to the process that corresponds to the current |
0bfdf32f | 87 | thread (current_thread). It is an error to call this if there is |
270c6aea PA |
88 | no current thread selected. */ |
89 | ||
90 | struct process_info *current_process (void); | |
91 | struct process_info *get_thread_process (struct thread_info *); | |
92 | ||
93 | extern struct inferior_list all_processes; | |
94 | ||
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 *)); | |
99 | ||
649ebbca DE |
100 | void for_each_inferior_with_data |
101 | (struct inferior_list *list, | |
102 | void (*action) (struct inferior_list_entry *, void *), | |
103 | void *data); | |
104 | ||
105 | void clear_inferior_list (struct inferior_list *list); | |
106 | ||
107 | int one_inferior_p (struct inferior_list *list); | |
108 | ||
fa96cb38 PA |
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) \ | |
112 | ((cur) != NULL \ | |
113 | ? (type *) ((struct inferior_list_entry *) cur)->next \ | |
114 | : NULL) | |
115 | ||
116 | /* Iterate over all inferiors of type TYPE in LIST, open loop | |
117 | style. */ | |
118 | #define ALL_INFERIORS_TYPE(type, list, cur, tmp) \ | |
119 | for ((cur) = (type *) (list)->head, (tmp) = A_I_NEXT (type, list, cur); \ | |
120 | (cur) != NULL; \ | |
121 | (cur) = (tmp), (tmp) = A_I_NEXT (type, list, cur)) | |
122 | ||
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) | |
126 | ||
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) | |
130 | ||
0bfdf32f | 131 | extern struct thread_info *current_thread; |
270c6aea PA |
132 | void remove_inferior (struct inferior_list *list, |
133 | struct inferior_list_entry *entry); | |
134 | ||
649ebbca DE |
135 | struct inferior_list_entry *get_first_inferior (struct inferior_list *list); |
136 | ||
3d40fbb5 PA |
137 | /* Return the first process in the processes list. */ |
138 | struct process_info *get_first_process (void); | |
139 | ||
270c6aea PA |
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); | |
145 | ||
270c6aea PA |
146 | ptid_t thread_to_gdb_id (struct thread_info *); |
147 | ptid_t gdb_id_to_thread_id (ptid_t); | |
148 | ||
149 | void clear_inferiors (void); | |
150 | struct inferior_list_entry *find_inferior | |
151 | (struct inferior_list *, | |
152 | int (*func) (struct inferior_list_entry *, | |
153 | void *), | |
154 | void *arg); | |
155 | struct inferior_list_entry *find_inferior_id (struct inferior_list *list, | |
156 | ptid_t id); | |
80894984 | 157 | |
270c6aea PA |
158 | void *inferior_target_data (struct thread_info *); |
159 | void set_inferior_target_data (struct thread_info *, void *); | |
a44892be PA |
160 | struct regcache *inferior_regcache_data (struct thread_info *); |
161 | void set_inferior_regcache_data (struct thread_info *, struct regcache *); | |
270c6aea PA |
162 | |
163 | #endif /* INFERIORS_H */ |