156160Sru/* Inferior process information for the remote server for GDB.
2146515Sru   Copyright (C) 1993-2020 Free Software Foundation, Inc.
321495Sjmacd
4146515Sru   This file is part of GDB.
521495Sjmacd
621495Sjmacd   This program is free software; you can redistribute it and/or modify
721495Sjmacd   it under the terms of the GNU General Public License as published by
821495Sjmacd   the Free Software Foundation; either version 3 of the License, or
921495Sjmacd   (at your option) any later version.
1021495Sjmacd
1121495Sjmacd   This program is distributed in the hope that it will be useful,
1221495Sjmacd   but WITHOUT ANY WARRANTY; without even the implied warranty of
1321495Sjmacd   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
1421495Sjmacd   GNU General Public License for more details.
1521495Sjmacd
1621495Sjmacd   You should have received a copy of the GNU General Public License
1721495Sjmacd   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
1821495Sjmacd
1921495Sjmacd#ifndef GDBSERVER_INFERIORS_H
2021495Sjmacd#define GDBSERVER_INFERIORS_H
2121495Sjmacd
2242660Smarkm#include "gdbsupport/gdb_vecs.h"
2342660Smarkm#include <list>
2421495Sjmacd
2521495Sjmacdstruct thread_info;
2621495Sjmacdstruct regcache;
2721495Sjmacdstruct target_desc;
2821495Sjmacdstruct sym_cache;
2921495Sjmacdstruct breakpoint;
3021495Sjmacdstruct raw_breakpoint;
31146515Srustruct fast_tracepoint_jump;
3221495Sjmacdstruct process_info_private;
3321495Sjmacd
3421495Sjmacdstruct process_info
35146515Sru{
3621495Sjmacd  process_info (int pid_, int attached_)
3721495Sjmacd  : pid (pid_), attached (attached_)
3821495Sjmacd  {}
3921495Sjmacd
4021495Sjmacd  /* This process' pid.  */
4121495Sjmacd  int pid;
4221495Sjmacd
4321495Sjmacd  /* Nonzero if this child process was attached rather than
44146515Sru     spawned.  */
4521495Sjmacd  int attached;
4656160Sru
4756160Sru  /* True if GDB asked us to detach from this process, but we remained
4856160Sru     attached anyway.  */
49146515Sru  int gdb_detached = 0;
5056160Sru
5121495Sjmacd  /* The symbol cache.  */
5221495Sjmacd  struct sym_cache *symbol_cache = NULL;
5321495Sjmacd
5421495Sjmacd  /* The list of memory breakpoints.  */
55146515Sru  struct breakpoint *breakpoints = NULL;
56146515Sru
5721495Sjmacd  /* The list of raw memory breakpoints.  */
58146515Sru  struct raw_breakpoint *raw_breakpoints = NULL;
59146515Sru
6021495Sjmacd  /* The list of installed fast tracepoints.  */
61146515Sru  struct fast_tracepoint_jump *fast_tracepoint_jumps = NULL;
62146515Sru
6321495Sjmacd  /* The list of syscalls to report, or just a single element, ANY_SYSCALL,
6421495Sjmacd     for unfiltered syscall reporting.  */
6521495Sjmacd  std::vector<int> syscalls_to_catch;
66146515Sru
6721495Sjmacd  const struct target_desc *tdesc = NULL;
6821495Sjmacd
6921495Sjmacd  /* Private target data.  */
7021495Sjmacd  struct process_info_private *priv = NULL;
7121495Sjmacd};
7221495Sjmacd
7321495Sjmacd/* Get the pid of PROC.  */
74146515Sru
7521495Sjmacdstatic inline int
7656160Srupid_of (const process_info *proc)
77146515Sru{
7856160Sru  return proc->pid;
7921495Sjmacd}
8021495Sjmacd
8142660Smarkm/* Return a pointer to the process that corresponds to the current
8221495Sjmacd   thread (current_thread).  It is an error to call this if there is
8321495Sjmacd   no current thread selected.  */
8421495Sjmacd
8521495Sjmacdstruct process_info *current_process (void);
8621495Sjmacdstruct process_info *get_thread_process (const struct thread_info *);
8721495Sjmacd
8821495Sjmacdextern std::list<process_info *> all_processes;
8921495Sjmacd
9021495Sjmacd/* Invoke FUNC for each process.  */
9121495Sjmacd
9242660Smarkmtemplate <typename Func>
93static void
94for_each_process (Func func)
95{
96  std::list<process_info *>::iterator next, cur = all_processes.begin ();
97
98  while (cur != all_processes.end ())
99    {
100      next = cur;
101      next++;
102      func (*cur);
103      cur = next;
104    }
105}
106
107/* Find the first process for which FUNC returns true.  Return NULL if no
108   process satisfying FUNC is found.  */
109
110template <typename Func>
111static process_info *
112find_process (Func func)
113{
114  std::list<process_info *>::iterator next, cur = all_processes.begin ();
115
116  while (cur != all_processes.end ())
117    {
118      next = cur;
119      next++;
120
121      if (func (*cur))
122        return *cur;
123
124      cur = next;
125    }
126
127  return NULL;
128}
129
130extern struct thread_info *current_thread;
131
132/* Return the first process in the processes list.  */
133struct process_info *get_first_process (void);
134
135struct process_info *add_process (int pid, int attached);
136void remove_process (struct process_info *process);
137struct process_info *find_process_pid (int pid);
138int have_started_inferiors_p (void);
139int have_attached_inferiors_p (void);
140
141/* Switch to a thread of PROC.  */
142void switch_to_process (process_info *proc);
143
144void clear_inferiors (void);
145
146void *thread_target_data (struct thread_info *);
147struct regcache *thread_regcache_data (struct thread_info *);
148void set_thread_regcache_data (struct thread_info *, struct regcache *);
149
150#endif /* GDBSERVER_INFERIORS_H */
151