Commit | Line | Data |
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270c6aea | 1 | /* Inferior process information for the remote server for GDB. |
61baf725 | 2 | Copyright (C) 1993-2017 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 | 22 | #include "gdb_vecs.h" |
9179355e | 23 | #include <list> |
82075af2 | 24 | |
270c6aea PA |
25 | /* Generic information for tracking a list of ``inferiors'' - threads, |
26 | processes, etc. */ | |
27 | struct inferior_list | |
28 | { | |
29 | struct inferior_list_entry *head; | |
30 | struct inferior_list_entry *tail; | |
31 | }; | |
32 | struct inferior_list_entry | |
33 | { | |
34 | ptid_t id; | |
35 | struct inferior_list_entry *next; | |
36 | }; | |
37 | ||
38 | struct thread_info; | |
a44892be | 39 | struct regcache; |
270c6aea PA |
40 | struct target_desc; |
41 | struct sym_cache; | |
42 | struct breakpoint; | |
43 | struct raw_breakpoint; | |
44 | struct fast_tracepoint_jump; | |
45 | struct process_info_private; | |
46 | ||
47 | struct process_info | |
48 | { | |
9179355e SM |
49 | /* This process' pid. */ |
50 | int pid; | |
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 | ||
9179355e SM |
82 | /* Get the pid of PROC. */ |
83 | ||
84 | static inline int | |
85 | pid_of (const process_info *proc) | |
86 | { | |
87 | return proc->pid; | |
88 | } | |
d86d4aaf | 89 | |
270c6aea | 90 | /* Return a pointer to the process that corresponds to the current |
0bfdf32f | 91 | thread (current_thread). It is an error to call this if there is |
270c6aea PA |
92 | no current thread selected. */ |
93 | ||
94 | struct process_info *current_process (void); | |
63c40ec7 | 95 | struct process_info *get_thread_process (const struct thread_info *); |
270c6aea | 96 | |
9179355e | 97 | extern std::list<process_info *> all_processes; |
270c6aea PA |
98 | |
99 | void add_inferior_to_list (struct inferior_list *list, | |
100 | struct inferior_list_entry *new_inferior); | |
101 | void for_each_inferior (struct inferior_list *list, | |
102 | void (*action) (struct inferior_list_entry *)); | |
103 | ||
649ebbca DE |
104 | void for_each_inferior_with_data |
105 | (struct inferior_list *list, | |
106 | void (*action) (struct inferior_list_entry *, void *), | |
107 | void *data); | |
108 | ||
109 | void clear_inferior_list (struct inferior_list *list); | |
110 | ||
111 | int one_inferior_p (struct inferior_list *list); | |
112 | ||
fa96cb38 PA |
113 | /* Helper for ALL_INFERIORS_TYPE. Gets the next element starting at |
114 | CUR, if CUR is not NULL. */ | |
115 | #define A_I_NEXT(type, list, cur) \ | |
116 | ((cur) != NULL \ | |
117 | ? (type *) ((struct inferior_list_entry *) cur)->next \ | |
118 | : NULL) | |
119 | ||
120 | /* Iterate over all inferiors of type TYPE in LIST, open loop | |
121 | style. */ | |
122 | #define ALL_INFERIORS_TYPE(type, list, cur, tmp) \ | |
123 | for ((cur) = (type *) (list)->head, (tmp) = A_I_NEXT (type, list, cur); \ | |
124 | (cur) != NULL; \ | |
125 | (cur) = (tmp), (tmp) = A_I_NEXT (type, list, cur)) | |
126 | ||
127 | /* Iterate over all inferiors in LIST, open loop style. */ | |
128 | #define ALL_INFERIORS(list, cur, tmp) \ | |
129 | ALL_INFERIORS_TYPE (struct inferior_list_entry, list, cur, tmp) | |
130 | ||
9179355e SM |
131 | /* Invoke FUNC for each process. */ |
132 | ||
133 | template <typename Func> | |
134 | static void | |
135 | for_each_process (Func func) | |
136 | { | |
137 | std::list<process_info *>::iterator next, cur = all_processes.begin (); | |
138 | ||
139 | while (cur != all_processes.end ()) | |
140 | { | |
141 | next = cur; | |
142 | next++; | |
143 | func (*cur); | |
144 | cur = next; | |
145 | } | |
146 | } | |
147 | ||
148 | /* Find the first process for which FUNC returns true. Return NULL if no | |
149 | process satisfying FUNC is found. */ | |
150 | ||
151 | template <typename Func> | |
152 | static process_info * | |
153 | find_process (Func func) | |
154 | { | |
155 | std::list<process_info *>::iterator next, cur = all_processes.begin (); | |
156 | ||
157 | while (cur != all_processes.end ()) | |
158 | { | |
159 | next = cur; | |
160 | next++; | |
161 | ||
162 | if (func (*cur)) | |
163 | return *cur; | |
164 | ||
165 | cur = next; | |
166 | } | |
167 | ||
168 | return NULL; | |
169 | } | |
fa96cb38 | 170 | |
0bfdf32f | 171 | extern struct thread_info *current_thread; |
270c6aea PA |
172 | void remove_inferior (struct inferior_list *list, |
173 | struct inferior_list_entry *entry); | |
174 | ||
649ebbca DE |
175 | struct inferior_list_entry *get_first_inferior (struct inferior_list *list); |
176 | ||
3d40fbb5 PA |
177 | /* Return the first process in the processes list. */ |
178 | struct process_info *get_first_process (void); | |
179 | ||
270c6aea PA |
180 | struct process_info *add_process (int pid, int attached); |
181 | void remove_process (struct process_info *process); | |
182 | struct process_info *find_process_pid (int pid); | |
183 | int have_started_inferiors_p (void); | |
184 | int have_attached_inferiors_p (void); | |
185 | ||
270c6aea PA |
186 | void clear_inferiors (void); |
187 | struct inferior_list_entry *find_inferior | |
188 | (struct inferior_list *, | |
189 | int (*func) (struct inferior_list_entry *, | |
190 | void *), | |
191 | void *arg); | |
192 | struct inferior_list_entry *find_inferior_id (struct inferior_list *list, | |
193 | ptid_t id); | |
89342618 YQ |
194 | struct inferior_list_entry * |
195 | find_inferior_in_random (struct inferior_list *, | |
196 | int (*func) (struct inferior_list_entry *, | |
197 | void *), | |
198 | void *arg); | |
80894984 | 199 | |
6afd337d SM |
200 | void *thread_target_data (struct thread_info *); |
201 | struct regcache *thread_regcache_data (struct thread_info *); | |
202 | void set_thread_regcache_data (struct thread_info *, struct regcache *); | |
270c6aea PA |
203 | |
204 | #endif /* INFERIORS_H */ |