1 /* Inferior process information for the remote server for GDB. 2 Copyright (C) 1993-2023 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 GDBSERVER_INFERIORS_H 20 #define GDBSERVER_INFERIORS_H 21 22 #include "gdbsupport/gdb_vecs.h" 23 #include "dll.h" 24 #include <list> 25 26 struct thread_info; 27 struct regcache; 28 struct target_desc; 29 struct sym_cache; 30 struct breakpoint; 31 struct raw_breakpoint; 32 struct fast_tracepoint_jump; 33 struct process_info_private; 34 35 struct process_info 36 { 37 process_info (int pid_, int attached_) 38 : pid (pid_), attached (attached_) 39 {} 40 41 /* This process' pid. */ 42 int pid; 43 44 /* Nonzero if this child process was attached rather than 45 spawned. */ 46 int attached; 47 48 /* True if GDB asked us to detach from this process, but we remained 49 attached anyway. */ 50 int gdb_detached = 0; 51 52 /* The symbol cache. */ 53 struct sym_cache *symbol_cache = NULL; 54 55 /* The list of memory breakpoints. */ 56 struct breakpoint *breakpoints = NULL; 57 58 /* The list of raw memory breakpoints. */ 59 struct raw_breakpoint *raw_breakpoints = NULL; 60 61 /* The list of installed fast tracepoints. */ 62 struct fast_tracepoint_jump *fast_tracepoint_jumps = NULL; 63 64 /* The list of syscalls to report, or just a single element, ANY_SYSCALL, 65 for unfiltered syscall reporting. */ 66 std::vector<int> syscalls_to_catch; 67 68 const struct target_desc *tdesc = NULL; 69 70 /* Private target data. */ 71 struct process_info_private *priv = NULL; 72 73 /* DLLs thats are loaded for this proc. */ 74 std::list<dll_info> all_dlls; 75 76 /* Flag to mark that the DLL list has changed. */ 77 bool dlls_changed = false; 78 79 /* True if the inferior is starting up (inside startup_inferior), 80 and we're nursing it along (through the shell) until it is ready 81 to execute its first instruction. Until that is done, we must 82 not access inferior memory or registers, as we haven't determined 83 the target architecture/description. */ 84 bool starting_up = false; 85 }; 86 87 /* Get the pid of PROC. */ 88 89 static inline int 90 pid_of (const process_info *proc) 91 { 92 return proc->pid; 93 } 94 95 /* Return a pointer to the process that corresponds to the current 96 thread (current_thread). It is an error to call this if there is 97 no current thread selected. */ 98 99 struct process_info *current_process (void); 100 struct process_info *get_thread_process (const struct thread_info *); 101 102 extern std::list<process_info *> all_processes; 103 104 /* Invoke FUNC for each process. */ 105 106 template <typename Func> 107 static void 108 for_each_process (Func func) 109 { 110 std::list<process_info *>::iterator next, cur = all_processes.begin (); 111 112 while (cur != all_processes.end ()) 113 { 114 next = cur; 115 next++; 116 func (*cur); 117 cur = next; 118 } 119 } 120 121 /* Find the first process for which FUNC returns true. Return NULL if no 122 process satisfying FUNC is found. */ 123 124 template <typename Func> 125 static process_info * 126 find_process (Func func) 127 { 128 std::list<process_info *>::iterator next, cur = all_processes.begin (); 129 130 while (cur != all_processes.end ()) 131 { 132 next = cur; 133 next++; 134 135 if (func (*cur)) 136 return *cur; 137 138 cur = next; 139 } 140 141 return NULL; 142 } 143 144 extern struct thread_info *current_thread; 145 146 /* Return the first process in the processes list. */ 147 struct process_info *get_first_process (void); 148 149 struct process_info *add_process (int pid, int attached); 150 void remove_process (struct process_info *process); 151 struct process_info *find_process_pid (int pid); 152 int have_started_inferiors_p (void); 153 int have_attached_inferiors_p (void); 154 155 /* Switch to a thread of PROC. */ 156 void switch_to_process (process_info *proc); 157 158 void clear_inferiors (void); 159 160 void *thread_target_data (struct thread_info *); 161 struct regcache *thread_regcache_data (struct thread_info *); 162 void set_thread_regcache_data (struct thread_info *, struct regcache *); 163 164 /* Set the inferior current working directory. If CWD is empty, unset 165 the directory. */ 166 void set_inferior_cwd (std::string cwd); 167 168 #endif /* GDBSERVER_INFERIORS_H */ 169